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1a4d82fc JJ |
1 | //===-- sanitizer_common_interceptors.inc -----------------------*- C++ -*-===// |
2 | // | |
3 | // The LLVM Compiler Infrastructure | |
4 | // | |
5 | // This file is distributed under the University of Illinois Open Source | |
6 | // License. See LICENSE.TXT for details. | |
7 | // | |
8 | //===----------------------------------------------------------------------===// | |
9 | // | |
10 | // Common function interceptors for tools like AddressSanitizer, | |
11 | // ThreadSanitizer, MemorySanitizer, etc. | |
12 | // | |
13 | // This file should be included into the tool's interceptor file, | |
14 | // which has to define it's own macros: | |
15 | // COMMON_INTERCEPTOR_ENTER | |
92a42be0 | 16 | // COMMON_INTERCEPTOR_ENTER_NOIGNORE |
1a4d82fc JJ |
17 | // COMMON_INTERCEPTOR_READ_RANGE |
18 | // COMMON_INTERCEPTOR_WRITE_RANGE | |
19 | // COMMON_INTERCEPTOR_INITIALIZE_RANGE | |
92a42be0 | 20 | // COMMON_INTERCEPTOR_DIR_ACQUIRE |
1a4d82fc JJ |
21 | // COMMON_INTERCEPTOR_FD_ACQUIRE |
22 | // COMMON_INTERCEPTOR_FD_RELEASE | |
23 | // COMMON_INTERCEPTOR_FD_ACCESS | |
24 | // COMMON_INTERCEPTOR_SET_THREAD_NAME | |
92a42be0 | 25 | // COMMON_INTERCEPTOR_ON_DLOPEN |
1a4d82fc JJ |
26 | // COMMON_INTERCEPTOR_ON_EXIT |
27 | // COMMON_INTERCEPTOR_MUTEX_LOCK | |
28 | // COMMON_INTERCEPTOR_MUTEX_UNLOCK | |
29 | // COMMON_INTERCEPTOR_MUTEX_REPAIR | |
30 | // COMMON_INTERCEPTOR_SET_PTHREAD_NAME | |
31 | // COMMON_INTERCEPTOR_HANDLE_RECVMSG | |
92a42be0 | 32 | // COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED |
1a4d82fc | 33 | //===----------------------------------------------------------------------===// |
92a42be0 | 34 | |
1a4d82fc | 35 | #include "interception/interception.h" |
92a42be0 SL |
36 | #include "sanitizer_addrhashmap.h" |
37 | #include "sanitizer_placement_new.h" | |
1a4d82fc JJ |
38 | #include "sanitizer_platform_interceptors.h" |
39 | #include "sanitizer_tls_get_addr.h" | |
40 | ||
41 | #include <stdarg.h> | |
42 | ||
92a42be0 SL |
43 | #if SANITIZER_INTERCEPTOR_HOOKS |
44 | #define CALL_WEAK_INTERCEPTOR_HOOK(f, ...) \ | |
45 | do { \ | |
46 | if (f) \ | |
47 | f(__VA_ARGS__); \ | |
48 | } while (false); | |
49 | #define DECLARE_WEAK_INTERCEPTOR_HOOK(f, ...) \ | |
50 | extern "C" { \ | |
51 | SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE void f(__VA_ARGS__); \ | |
52 | } // extern "C" | |
53 | #else | |
54 | #define DECLARE_WEAK_INTERCEPTOR_HOOK(f, ...) | |
55 | #define CALL_WEAK_INTERCEPTOR_HOOK(f, ...) | |
56 | ||
57 | #endif // SANITIZER_INTERCEPTOR_HOOKS | |
58 | ||
1a4d82fc JJ |
59 | #if SANITIZER_WINDOWS && !defined(va_copy) |
60 | #define va_copy(dst, src) ((dst) = (src)) | |
61 | #endif // _WIN32 | |
62 | ||
92a42be0 SL |
63 | #if SANITIZER_FREEBSD |
64 | #define pthread_setname_np pthread_set_name_np | |
65 | #define inet_aton __inet_aton | |
66 | #define inet_pton __inet_pton | |
67 | #define iconv __bsd_iconv | |
68 | #endif | |
69 | ||
1a4d82fc JJ |
70 | #ifndef COMMON_INTERCEPTOR_INITIALIZE_RANGE |
71 | #define COMMON_INTERCEPTOR_INITIALIZE_RANGE(p, size) {} | |
72 | #endif | |
73 | ||
74 | #ifndef COMMON_INTERCEPTOR_UNPOISON_PARAM | |
75 | #define COMMON_INTERCEPTOR_UNPOISON_PARAM(count) {} | |
76 | #endif | |
77 | ||
78 | #ifndef COMMON_INTERCEPTOR_FD_ACCESS | |
79 | #define COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd) {} | |
80 | #endif | |
81 | ||
82 | #ifndef COMMON_INTERCEPTOR_MUTEX_LOCK | |
83 | #define COMMON_INTERCEPTOR_MUTEX_LOCK(ctx, m) {} | |
84 | #endif | |
85 | ||
86 | #ifndef COMMON_INTERCEPTOR_MUTEX_UNLOCK | |
87 | #define COMMON_INTERCEPTOR_MUTEX_UNLOCK(ctx, m) {} | |
88 | #endif | |
89 | ||
90 | #ifndef COMMON_INTERCEPTOR_MUTEX_REPAIR | |
91 | #define COMMON_INTERCEPTOR_MUTEX_REPAIR(ctx, m) {} | |
92 | #endif | |
93 | ||
94 | #ifndef COMMON_INTERCEPTOR_HANDLE_RECVMSG | |
95 | #define COMMON_INTERCEPTOR_HANDLE_RECVMSG(ctx, msg) ((void)(msg)) | |
96 | #endif | |
97 | ||
98 | #ifndef COMMON_INTERCEPTOR_FILE_OPEN | |
99 | #define COMMON_INTERCEPTOR_FILE_OPEN(ctx, file, path) {} | |
100 | #endif | |
101 | ||
102 | #ifndef COMMON_INTERCEPTOR_FILE_CLOSE | |
103 | #define COMMON_INTERCEPTOR_FILE_CLOSE(ctx, file) {} | |
104 | #endif | |
105 | ||
92a42be0 SL |
106 | #ifndef COMMON_INTERCEPTOR_LIBRARY_LOADED |
107 | #define COMMON_INTERCEPTOR_LIBRARY_LOADED(filename, handle) {} | |
108 | #endif | |
109 | ||
110 | #ifndef COMMON_INTERCEPTOR_LIBRARY_UNLOADED | |
111 | #define COMMON_INTERCEPTOR_LIBRARY_UNLOADED() {} | |
112 | #endif | |
113 | ||
114 | #ifndef COMMON_INTERCEPTOR_ENTER_NOIGNORE | |
115 | #define COMMON_INTERCEPTOR_ENTER_NOIGNORE(ctx, ...) \ | |
116 | COMMON_INTERCEPTOR_ENTER(ctx, __VA_ARGS__) | |
117 | #endif | |
118 | ||
119 | #ifndef COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED | |
120 | #define COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED (0) | |
121 | #endif | |
122 | ||
123 | #define COMMON_INTERCEPTOR_READ_STRING_OF_LEN(ctx, s, len, n) \ | |
124 | COMMON_INTERCEPTOR_READ_RANGE((ctx), (s), \ | |
125 | common_flags()->strict_string_checks ? (len) + 1 : (n) ) | |
126 | ||
127 | #define COMMON_INTERCEPTOR_READ_STRING(ctx, s, n) \ | |
128 | COMMON_INTERCEPTOR_READ_STRING_OF_LEN((ctx), (s), REAL(strlen)(s), (n)) | |
129 | ||
130 | #ifndef COMMON_INTERCEPTOR_ON_DLOPEN | |
131 | #define COMMON_INTERCEPTOR_ON_DLOPEN(filename, flag) {} | |
132 | #endif | |
133 | ||
134 | #ifndef COMMON_INTERCEPTOR_GET_TLS_RANGE | |
135 | #define COMMON_INTERCEPTOR_GET_TLS_RANGE(begin, end) *begin = *end = 0; | |
136 | #endif | |
137 | ||
138 | #ifndef COMMON_INTERCEPTOR_ACQUIRE | |
139 | #define COMMON_INTERCEPTOR_ACQUIRE(ctx, u) {} | |
140 | #endif | |
141 | ||
142 | #ifndef COMMON_INTERCEPTOR_RELEASE | |
143 | #define COMMON_INTERCEPTOR_RELEASE(ctx, u) {} | |
144 | #endif | |
145 | ||
146 | struct FileMetadata { | |
147 | // For open_memstream(). | |
148 | char **addr; | |
149 | SIZE_T *size; | |
150 | }; | |
151 | ||
152 | struct CommonInterceptorMetadata { | |
153 | enum { | |
154 | CIMT_INVALID = 0, | |
155 | CIMT_FILE | |
156 | } type; | |
157 | union { | |
158 | FileMetadata file; | |
159 | }; | |
160 | }; | |
161 | ||
162 | typedef AddrHashMap<CommonInterceptorMetadata, 31051> MetadataHashMap; | |
163 | ||
164 | static MetadataHashMap *interceptor_metadata_map; | |
165 | ||
166 | #if SI_NOT_WINDOWS | |
167 | UNUSED static void SetInterceptorMetadata(__sanitizer_FILE *addr, | |
168 | const FileMetadata &file) { | |
169 | MetadataHashMap::Handle h(interceptor_metadata_map, (uptr)addr); | |
170 | CHECK(h.created()); | |
171 | h->type = CommonInterceptorMetadata::CIMT_FILE; | |
172 | h->file = file; | |
173 | } | |
174 | ||
175 | UNUSED static const FileMetadata *GetInterceptorMetadata( | |
176 | __sanitizer_FILE *addr) { | |
177 | MetadataHashMap::Handle h(interceptor_metadata_map, (uptr)addr, | |
178 | /* remove */ false, | |
179 | /* create */ false); | |
180 | if (h.exists()) { | |
181 | CHECK(!h.created()); | |
182 | CHECK(h->type == CommonInterceptorMetadata::CIMT_FILE); | |
183 | return &h->file; | |
184 | } else { | |
185 | return 0; | |
186 | } | |
187 | } | |
188 | ||
189 | UNUSED static void DeleteInterceptorMetadata(void *addr) { | |
190 | MetadataHashMap::Handle h(interceptor_metadata_map, (uptr)addr, true); | |
191 | CHECK(h.exists()); | |
192 | } | |
193 | #endif // SI_NOT_WINDOWS | |
194 | ||
1a4d82fc JJ |
195 | #if SANITIZER_INTERCEPT_TEXTDOMAIN |
196 | INTERCEPTOR(char*, textdomain, const char *domainname) { | |
197 | void *ctx; | |
198 | COMMON_INTERCEPTOR_ENTER(ctx, textdomain, domainname); | |
92a42be0 SL |
199 | COMMON_INTERCEPTOR_READ_STRING(ctx, domainname, 0); |
200 | char *domain = REAL(textdomain)(domainname); | |
1a4d82fc JJ |
201 | if (domain) { |
202 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(domain, REAL(strlen)(domain) + 1); | |
203 | } | |
204 | return domain; | |
205 | } | |
206 | #define INIT_TEXTDOMAIN COMMON_INTERCEPT_FUNCTION(textdomain) | |
207 | #else | |
208 | #define INIT_TEXTDOMAIN | |
209 | #endif | |
210 | ||
211 | #if SANITIZER_INTERCEPT_STRCMP | |
212 | static inline int CharCmpX(unsigned char c1, unsigned char c2) { | |
213 | return (c1 == c2) ? 0 : (c1 < c2) ? -1 : 1; | |
214 | } | |
215 | ||
92a42be0 SL |
216 | DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcmp, uptr called_pc, |
217 | const char *s1, const char *s2) | |
218 | ||
1a4d82fc JJ |
219 | INTERCEPTOR(int, strcmp, const char *s1, const char *s2) { |
220 | void *ctx; | |
221 | COMMON_INTERCEPTOR_ENTER(ctx, strcmp, s1, s2); | |
92a42be0 SL |
222 | CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcmp, GET_CALLER_PC(), s1, |
223 | s2); | |
1a4d82fc JJ |
224 | unsigned char c1, c2; |
225 | uptr i; | |
226 | for (i = 0;; i++) { | |
227 | c1 = (unsigned char)s1[i]; | |
228 | c2 = (unsigned char)s2[i]; | |
229 | if (c1 != c2 || c1 == '\0') break; | |
230 | } | |
92a42be0 SL |
231 | COMMON_INTERCEPTOR_READ_STRING(ctx, s1, i + 1); |
232 | COMMON_INTERCEPTOR_READ_STRING(ctx, s2, i + 1); | |
1a4d82fc JJ |
233 | return CharCmpX(c1, c2); |
234 | } | |
235 | ||
92a42be0 SL |
236 | DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strncmp, uptr called_pc, |
237 | const char *s1, const char *s2, uptr n) | |
238 | ||
1a4d82fc | 239 | INTERCEPTOR(int, strncmp, const char *s1, const char *s2, uptr size) { |
92a42be0 SL |
240 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) |
241 | return internal_strncmp(s1, s2, size); | |
1a4d82fc JJ |
242 | void *ctx; |
243 | COMMON_INTERCEPTOR_ENTER(ctx, strncmp, s1, s2, size); | |
92a42be0 SL |
244 | CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strncmp, GET_CALLER_PC(), s1, |
245 | s2, size); | |
1a4d82fc JJ |
246 | unsigned char c1 = 0, c2 = 0; |
247 | uptr i; | |
248 | for (i = 0; i < size; i++) { | |
249 | c1 = (unsigned char)s1[i]; | |
250 | c2 = (unsigned char)s2[i]; | |
251 | if (c1 != c2 || c1 == '\0') break; | |
252 | } | |
253 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s1, Min(i + 1, size)); | |
254 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, Min(i + 1, size)); | |
255 | return CharCmpX(c1, c2); | |
256 | } | |
257 | ||
258 | #define INIT_STRCMP COMMON_INTERCEPT_FUNCTION(strcmp) | |
259 | #define INIT_STRNCMP COMMON_INTERCEPT_FUNCTION(strncmp) | |
260 | #else | |
261 | #define INIT_STRCMP | |
262 | #define INIT_STRNCMP | |
263 | #endif | |
264 | ||
265 | #if SANITIZER_INTERCEPT_STRCASECMP | |
266 | static inline int CharCaseCmp(unsigned char c1, unsigned char c2) { | |
267 | int c1_low = ToLower(c1); | |
268 | int c2_low = ToLower(c2); | |
269 | return c1_low - c2_low; | |
270 | } | |
271 | ||
272 | INTERCEPTOR(int, strcasecmp, const char *s1, const char *s2) { | |
273 | void *ctx; | |
274 | COMMON_INTERCEPTOR_ENTER(ctx, strcasecmp, s1, s2); | |
275 | unsigned char c1 = 0, c2 = 0; | |
276 | uptr i; | |
277 | for (i = 0;; i++) { | |
278 | c1 = (unsigned char)s1[i]; | |
279 | c2 = (unsigned char)s2[i]; | |
280 | if (CharCaseCmp(c1, c2) != 0 || c1 == '\0') break; | |
281 | } | |
92a42be0 SL |
282 | COMMON_INTERCEPTOR_READ_STRING(ctx, s1, i + 1); |
283 | COMMON_INTERCEPTOR_READ_STRING(ctx, s2, i + 1); | |
1a4d82fc JJ |
284 | return CharCaseCmp(c1, c2); |
285 | } | |
286 | ||
287 | INTERCEPTOR(int, strncasecmp, const char *s1, const char *s2, SIZE_T n) { | |
288 | void *ctx; | |
289 | COMMON_INTERCEPTOR_ENTER(ctx, strncasecmp, s1, s2, n); | |
290 | unsigned char c1 = 0, c2 = 0; | |
291 | uptr i; | |
292 | for (i = 0; i < n; i++) { | |
293 | c1 = (unsigned char)s1[i]; | |
294 | c2 = (unsigned char)s2[i]; | |
295 | if (CharCaseCmp(c1, c2) != 0 || c1 == '\0') break; | |
296 | } | |
297 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s1, Min(i + 1, n)); | |
298 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, Min(i + 1, n)); | |
299 | return CharCaseCmp(c1, c2); | |
300 | } | |
301 | ||
302 | #define INIT_STRCASECMP COMMON_INTERCEPT_FUNCTION(strcasecmp) | |
303 | #define INIT_STRNCASECMP COMMON_INTERCEPT_FUNCTION(strncasecmp) | |
304 | #else | |
305 | #define INIT_STRCASECMP | |
306 | #define INIT_STRNCASECMP | |
307 | #endif | |
308 | ||
92a42be0 SL |
309 | #if SANITIZER_INTERCEPT_STRSTR || SANITIZER_INTERCEPT_STRCASESTR |
310 | static inline void StrstrCheck(void *ctx, char *r, const char *s1, | |
311 | const char *s2) { | |
312 | uptr len1 = REAL(strlen)(s1); | |
313 | uptr len2 = REAL(strlen)(s2); | |
314 | COMMON_INTERCEPTOR_READ_STRING_OF_LEN(ctx, s1, len1, | |
315 | r ? r - s1 + len2 : len1 + 1); | |
316 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, len2 + 1); | |
317 | } | |
318 | #endif | |
319 | ||
320 | #if SANITIZER_INTERCEPT_STRSTR | |
321 | INTERCEPTOR(char*, strstr, const char *s1, const char *s2) { | |
322 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) | |
323 | return internal_strstr(s1, s2); | |
324 | void *ctx; | |
325 | COMMON_INTERCEPTOR_ENTER(ctx, strstr, s1, s2); | |
326 | char *r = REAL(strstr)(s1, s2); | |
327 | if (common_flags()->intercept_strstr) | |
328 | StrstrCheck(ctx, r, s1, s2); | |
329 | return r; | |
330 | } | |
331 | ||
332 | #define INIT_STRSTR COMMON_INTERCEPT_FUNCTION(strstr); | |
333 | #else | |
334 | #define INIT_STRSTR | |
335 | #endif | |
336 | ||
337 | #if SANITIZER_INTERCEPT_STRCASESTR | |
338 | INTERCEPTOR(char*, strcasestr, const char *s1, const char *s2) { | |
339 | void *ctx; | |
340 | COMMON_INTERCEPTOR_ENTER(ctx, strcasestr, s1, s2); | |
341 | char *r = REAL(strcasestr)(s1, s2); | |
342 | if (common_flags()->intercept_strstr) | |
343 | StrstrCheck(ctx, r, s1, s2); | |
344 | return r; | |
345 | } | |
346 | ||
347 | #define INIT_STRCASESTR COMMON_INTERCEPT_FUNCTION(strcasestr); | |
348 | #else | |
349 | #define INIT_STRCASESTR | |
350 | #endif | |
351 | ||
352 | #if SANITIZER_INTERCEPT_STRSPN | |
353 | INTERCEPTOR(SIZE_T, strspn, const char *s1, const char *s2) { | |
354 | void *ctx; | |
355 | COMMON_INTERCEPTOR_ENTER(ctx, strspn, s1, s2); | |
356 | SIZE_T r = REAL(strspn)(s1, s2); | |
357 | if (common_flags()->intercept_strspn) { | |
358 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, REAL(strlen)(s2) + 1); | |
359 | COMMON_INTERCEPTOR_READ_STRING(ctx, s1, r + 1); | |
360 | } | |
361 | return r; | |
362 | } | |
363 | ||
364 | INTERCEPTOR(SIZE_T, strcspn, const char *s1, const char *s2) { | |
365 | void *ctx; | |
366 | COMMON_INTERCEPTOR_ENTER(ctx, strcspn, s1, s2); | |
367 | SIZE_T r = REAL(strcspn)(s1, s2); | |
368 | if (common_flags()->intercept_strspn) { | |
369 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, REAL(strlen)(s2) + 1); | |
370 | COMMON_INTERCEPTOR_READ_STRING(ctx, s1, r + 1); | |
371 | } | |
372 | return r; | |
373 | } | |
374 | ||
375 | #define INIT_STRSPN \ | |
376 | COMMON_INTERCEPT_FUNCTION(strspn); \ | |
377 | COMMON_INTERCEPT_FUNCTION(strcspn); | |
378 | #else | |
379 | #define INIT_STRSPN | |
380 | #endif | |
381 | ||
382 | #if SANITIZER_INTERCEPT_STRPBRK | |
383 | INTERCEPTOR(char *, strpbrk, const char *s1, const char *s2) { | |
384 | void *ctx; | |
385 | COMMON_INTERCEPTOR_ENTER(ctx, strpbrk, s1, s2); | |
386 | char *r = REAL(strpbrk)(s1, s2); | |
387 | if (common_flags()->intercept_strpbrk) { | |
388 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, REAL(strlen)(s2) + 1); | |
389 | COMMON_INTERCEPTOR_READ_STRING(ctx, s1, | |
390 | r ? r - s1 + 1 : REAL(strlen)(s1) + 1); | |
391 | } | |
392 | return r; | |
393 | } | |
394 | ||
395 | #define INIT_STRPBRK COMMON_INTERCEPT_FUNCTION(strpbrk); | |
396 | #else | |
397 | #define INIT_STRPBRK | |
398 | #endif | |
399 | ||
400 | #if SANITIZER_INTERCEPT_MEMCMP | |
401 | ||
402 | DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memcmp, uptr called_pc, | |
403 | const void *s1, const void *s2, uptr n) | |
404 | ||
405 | INTERCEPTOR(int, memcmp, const void *a1, const void *a2, uptr size) { | |
406 | void *ctx; | |
407 | COMMON_INTERCEPTOR_ENTER(ctx, memcmp, a1, a2, size); | |
408 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) | |
409 | return internal_memcmp(a1, a2, size); | |
410 | CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memcmp, GET_CALLER_PC(), a1, | |
411 | a2, size); | |
412 | if (common_flags()->intercept_memcmp) { | |
413 | if (common_flags()->strict_memcmp) { | |
414 | // Check the entire regions even if the first bytes of the buffers are | |
415 | // different. | |
416 | COMMON_INTERCEPTOR_READ_RANGE(ctx, a1, size); | |
417 | COMMON_INTERCEPTOR_READ_RANGE(ctx, a2, size); | |
418 | // Fallthrough to REAL(memcmp) below. | |
419 | } else { | |
420 | unsigned char c1 = 0, c2 = 0; | |
421 | const unsigned char *s1 = (const unsigned char*)a1; | |
422 | const unsigned char *s2 = (const unsigned char*)a2; | |
423 | uptr i; | |
424 | for (i = 0; i < size; i++) { | |
425 | c1 = s1[i]; | |
426 | c2 = s2[i]; | |
427 | if (c1 != c2) break; | |
428 | } | |
429 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s1, Min(i + 1, size)); | |
430 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, Min(i + 1, size)); | |
431 | return CharCmpX(c1, c2); | |
432 | } | |
433 | } | |
434 | return REAL(memcmp(a1, a2, size)); | |
435 | } | |
436 | ||
437 | #define INIT_MEMCMP COMMON_INTERCEPT_FUNCTION(memcmp) | |
438 | #else | |
439 | #define INIT_MEMCMP | |
440 | #endif | |
441 | ||
1a4d82fc JJ |
442 | #if SANITIZER_INTERCEPT_MEMCHR |
443 | INTERCEPTOR(void*, memchr, const void *s, int c, SIZE_T n) { | |
92a42be0 SL |
444 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) |
445 | return internal_memchr(s, c, n); | |
1a4d82fc JJ |
446 | void *ctx; |
447 | COMMON_INTERCEPTOR_ENTER(ctx, memchr, s, c, n); | |
448 | void *res = REAL(memchr)(s, c, n); | |
92a42be0 | 449 | uptr len = res ? (char *)res - (const char *)s + 1 : n; |
1a4d82fc JJ |
450 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s, len); |
451 | return res; | |
452 | } | |
453 | ||
454 | #define INIT_MEMCHR COMMON_INTERCEPT_FUNCTION(memchr) | |
455 | #else | |
456 | #define INIT_MEMCHR | |
457 | #endif | |
458 | ||
459 | #if SANITIZER_INTERCEPT_MEMRCHR | |
460 | INTERCEPTOR(void*, memrchr, const void *s, int c, SIZE_T n) { | |
461 | void *ctx; | |
462 | COMMON_INTERCEPTOR_ENTER(ctx, memrchr, s, c, n); | |
463 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s, n); | |
464 | return REAL(memrchr)(s, c, n); | |
465 | } | |
466 | ||
467 | #define INIT_MEMRCHR COMMON_INTERCEPT_FUNCTION(memrchr) | |
468 | #else | |
469 | #define INIT_MEMRCHR | |
470 | #endif | |
471 | ||
472 | #if SANITIZER_INTERCEPT_FREXP | |
473 | INTERCEPTOR(double, frexp, double x, int *exp) { | |
474 | void *ctx; | |
475 | COMMON_INTERCEPTOR_ENTER(ctx, frexp, x, exp); | |
92a42be0 | 476 | // Assuming frexp() always writes to |exp|. |
1a4d82fc | 477 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, exp, sizeof(*exp)); |
92a42be0 | 478 | double res = REAL(frexp)(x, exp); |
1a4d82fc JJ |
479 | return res; |
480 | } | |
481 | ||
482 | #define INIT_FREXP COMMON_INTERCEPT_FUNCTION(frexp); | |
483 | #else | |
484 | #define INIT_FREXP | |
485 | #endif // SANITIZER_INTERCEPT_FREXP | |
486 | ||
487 | #if SANITIZER_INTERCEPT_FREXPF_FREXPL | |
488 | INTERCEPTOR(float, frexpf, float x, int *exp) { | |
489 | void *ctx; | |
490 | COMMON_INTERCEPTOR_ENTER(ctx, frexpf, x, exp); | |
92a42be0 SL |
491 | // FIXME: under ASan the call below may write to freed memory and corrupt |
492 | // its metadata. See | |
493 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
494 | float res = REAL(frexpf)(x, exp); |
495 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, exp, sizeof(*exp)); | |
496 | return res; | |
497 | } | |
498 | ||
499 | INTERCEPTOR(long double, frexpl, long double x, int *exp) { | |
500 | void *ctx; | |
501 | COMMON_INTERCEPTOR_ENTER(ctx, frexpl, x, exp); | |
92a42be0 SL |
502 | // FIXME: under ASan the call below may write to freed memory and corrupt |
503 | // its metadata. See | |
504 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
505 | long double res = REAL(frexpl)(x, exp); |
506 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, exp, sizeof(*exp)); | |
507 | return res; | |
508 | } | |
509 | ||
510 | #define INIT_FREXPF_FREXPL \ | |
511 | COMMON_INTERCEPT_FUNCTION(frexpf); \ | |
512 | COMMON_INTERCEPT_FUNCTION(frexpl) | |
513 | #else | |
514 | #define INIT_FREXPF_FREXPL | |
515 | #endif // SANITIZER_INTERCEPT_FREXPF_FREXPL | |
516 | ||
517 | #if SI_NOT_WINDOWS | |
518 | static void write_iovec(void *ctx, struct __sanitizer_iovec *iovec, | |
519 | SIZE_T iovlen, SIZE_T maxlen) { | |
520 | for (SIZE_T i = 0; i < iovlen && maxlen; ++i) { | |
521 | SSIZE_T sz = Min(iovec[i].iov_len, maxlen); | |
522 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iovec[i].iov_base, sz); | |
523 | maxlen -= sz; | |
524 | } | |
525 | } | |
526 | ||
527 | static void read_iovec(void *ctx, struct __sanitizer_iovec *iovec, | |
528 | SIZE_T iovlen, SIZE_T maxlen) { | |
529 | COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec, sizeof(*iovec) * iovlen); | |
530 | for (SIZE_T i = 0; i < iovlen && maxlen; ++i) { | |
531 | SSIZE_T sz = Min(iovec[i].iov_len, maxlen); | |
532 | COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec[i].iov_base, sz); | |
533 | maxlen -= sz; | |
534 | } | |
535 | } | |
536 | #endif | |
537 | ||
538 | #if SANITIZER_INTERCEPT_READ | |
539 | INTERCEPTOR(SSIZE_T, read, int fd, void *ptr, SIZE_T count) { | |
540 | void *ctx; | |
541 | COMMON_INTERCEPTOR_ENTER(ctx, read, fd, ptr, count); | |
542 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
92a42be0 SL |
543 | // FIXME: under ASan the call below may write to freed memory and corrupt |
544 | // its metadata. See | |
545 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
546 | SSIZE_T res = REAL(read)(fd, ptr, count); |
547 | if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res); | |
548 | if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
549 | return res; | |
550 | } | |
551 | #define INIT_READ COMMON_INTERCEPT_FUNCTION(read) | |
552 | #else | |
553 | #define INIT_READ | |
554 | #endif | |
555 | ||
556 | #if SANITIZER_INTERCEPT_PREAD | |
557 | INTERCEPTOR(SSIZE_T, pread, int fd, void *ptr, SIZE_T count, OFF_T offset) { | |
558 | void *ctx; | |
559 | COMMON_INTERCEPTOR_ENTER(ctx, pread, fd, ptr, count, offset); | |
560 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
92a42be0 SL |
561 | // FIXME: under ASan the call below may write to freed memory and corrupt |
562 | // its metadata. See | |
563 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
564 | SSIZE_T res = REAL(pread)(fd, ptr, count, offset); |
565 | if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res); | |
566 | if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
567 | return res; | |
568 | } | |
569 | #define INIT_PREAD COMMON_INTERCEPT_FUNCTION(pread) | |
570 | #else | |
571 | #define INIT_PREAD | |
572 | #endif | |
573 | ||
574 | #if SANITIZER_INTERCEPT_PREAD64 | |
575 | INTERCEPTOR(SSIZE_T, pread64, int fd, void *ptr, SIZE_T count, OFF64_T offset) { | |
576 | void *ctx; | |
577 | COMMON_INTERCEPTOR_ENTER(ctx, pread64, fd, ptr, count, offset); | |
578 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
92a42be0 SL |
579 | // FIXME: under ASan the call below may write to freed memory and corrupt |
580 | // its metadata. See | |
581 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
582 | SSIZE_T res = REAL(pread64)(fd, ptr, count, offset); |
583 | if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res); | |
584 | if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
585 | return res; | |
586 | } | |
587 | #define INIT_PREAD64 COMMON_INTERCEPT_FUNCTION(pread64) | |
588 | #else | |
589 | #define INIT_PREAD64 | |
590 | #endif | |
591 | ||
592 | #if SANITIZER_INTERCEPT_READV | |
593 | INTERCEPTOR_WITH_SUFFIX(SSIZE_T, readv, int fd, __sanitizer_iovec *iov, | |
594 | int iovcnt) { | |
595 | void *ctx; | |
596 | COMMON_INTERCEPTOR_ENTER(ctx, readv, fd, iov, iovcnt); | |
597 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
598 | SSIZE_T res = REAL(readv)(fd, iov, iovcnt); | |
599 | if (res > 0) write_iovec(ctx, iov, iovcnt, res); | |
600 | if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
601 | return res; | |
602 | } | |
603 | #define INIT_READV COMMON_INTERCEPT_FUNCTION(readv) | |
604 | #else | |
605 | #define INIT_READV | |
606 | #endif | |
607 | ||
608 | #if SANITIZER_INTERCEPT_PREADV | |
609 | INTERCEPTOR(SSIZE_T, preadv, int fd, __sanitizer_iovec *iov, int iovcnt, | |
610 | OFF_T offset) { | |
611 | void *ctx; | |
612 | COMMON_INTERCEPTOR_ENTER(ctx, preadv, fd, iov, iovcnt, offset); | |
613 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
614 | SSIZE_T res = REAL(preadv)(fd, iov, iovcnt, offset); | |
615 | if (res > 0) write_iovec(ctx, iov, iovcnt, res); | |
616 | if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
617 | return res; | |
618 | } | |
619 | #define INIT_PREADV COMMON_INTERCEPT_FUNCTION(preadv) | |
620 | #else | |
621 | #define INIT_PREADV | |
622 | #endif | |
623 | ||
624 | #if SANITIZER_INTERCEPT_PREADV64 | |
625 | INTERCEPTOR(SSIZE_T, preadv64, int fd, __sanitizer_iovec *iov, int iovcnt, | |
626 | OFF64_T offset) { | |
627 | void *ctx; | |
628 | COMMON_INTERCEPTOR_ENTER(ctx, preadv64, fd, iov, iovcnt, offset); | |
629 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
630 | SSIZE_T res = REAL(preadv64)(fd, iov, iovcnt, offset); | |
631 | if (res > 0) write_iovec(ctx, iov, iovcnt, res); | |
632 | if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
633 | return res; | |
634 | } | |
635 | #define INIT_PREADV64 COMMON_INTERCEPT_FUNCTION(preadv64) | |
636 | #else | |
637 | #define INIT_PREADV64 | |
638 | #endif | |
639 | ||
640 | #if SANITIZER_INTERCEPT_WRITE | |
641 | INTERCEPTOR(SSIZE_T, write, int fd, void *ptr, SIZE_T count) { | |
642 | void *ctx; | |
643 | COMMON_INTERCEPTOR_ENTER(ctx, write, fd, ptr, count); | |
644 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
645 | if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); | |
646 | SSIZE_T res = REAL(write)(fd, ptr, count); | |
647 | // FIXME: this check should be _before_ the call to REAL(write), not after | |
648 | if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, res); | |
649 | return res; | |
650 | } | |
651 | #define INIT_WRITE COMMON_INTERCEPT_FUNCTION(write) | |
652 | #else | |
653 | #define INIT_WRITE | |
654 | #endif | |
655 | ||
656 | #if SANITIZER_INTERCEPT_PWRITE | |
657 | INTERCEPTOR(SSIZE_T, pwrite, int fd, void *ptr, SIZE_T count, OFF_T offset) { | |
658 | void *ctx; | |
659 | COMMON_INTERCEPTOR_ENTER(ctx, pwrite, fd, ptr, count, offset); | |
660 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
661 | if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); | |
662 | SSIZE_T res = REAL(pwrite)(fd, ptr, count, offset); | |
663 | if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, res); | |
664 | return res; | |
665 | } | |
666 | #define INIT_PWRITE COMMON_INTERCEPT_FUNCTION(pwrite) | |
667 | #else | |
668 | #define INIT_PWRITE | |
669 | #endif | |
670 | ||
671 | #if SANITIZER_INTERCEPT_PWRITE64 | |
672 | INTERCEPTOR(SSIZE_T, pwrite64, int fd, void *ptr, OFF64_T count, | |
673 | OFF64_T offset) { | |
674 | void *ctx; | |
675 | COMMON_INTERCEPTOR_ENTER(ctx, pwrite64, fd, ptr, count, offset); | |
676 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
677 | if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); | |
678 | SSIZE_T res = REAL(pwrite64)(fd, ptr, count, offset); | |
679 | if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, res); | |
680 | return res; | |
681 | } | |
682 | #define INIT_PWRITE64 COMMON_INTERCEPT_FUNCTION(pwrite64) | |
683 | #else | |
684 | #define INIT_PWRITE64 | |
685 | #endif | |
686 | ||
687 | #if SANITIZER_INTERCEPT_WRITEV | |
688 | INTERCEPTOR_WITH_SUFFIX(SSIZE_T, writev, int fd, __sanitizer_iovec *iov, | |
689 | int iovcnt) { | |
690 | void *ctx; | |
691 | COMMON_INTERCEPTOR_ENTER(ctx, writev, fd, iov, iovcnt); | |
692 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
693 | if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); | |
694 | SSIZE_T res = REAL(writev)(fd, iov, iovcnt); | |
695 | if (res > 0) read_iovec(ctx, iov, iovcnt, res); | |
696 | return res; | |
697 | } | |
698 | #define INIT_WRITEV COMMON_INTERCEPT_FUNCTION(writev) | |
699 | #else | |
700 | #define INIT_WRITEV | |
701 | #endif | |
702 | ||
703 | #if SANITIZER_INTERCEPT_PWRITEV | |
704 | INTERCEPTOR(SSIZE_T, pwritev, int fd, __sanitizer_iovec *iov, int iovcnt, | |
705 | OFF_T offset) { | |
706 | void *ctx; | |
707 | COMMON_INTERCEPTOR_ENTER(ctx, pwritev, fd, iov, iovcnt, offset); | |
708 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
709 | if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); | |
710 | SSIZE_T res = REAL(pwritev)(fd, iov, iovcnt, offset); | |
711 | if (res > 0) read_iovec(ctx, iov, iovcnt, res); | |
712 | return res; | |
713 | } | |
714 | #define INIT_PWRITEV COMMON_INTERCEPT_FUNCTION(pwritev) | |
715 | #else | |
716 | #define INIT_PWRITEV | |
717 | #endif | |
718 | ||
719 | #if SANITIZER_INTERCEPT_PWRITEV64 | |
720 | INTERCEPTOR(SSIZE_T, pwritev64, int fd, __sanitizer_iovec *iov, int iovcnt, | |
721 | OFF64_T offset) { | |
722 | void *ctx; | |
723 | COMMON_INTERCEPTOR_ENTER(ctx, pwritev64, fd, iov, iovcnt, offset); | |
724 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
725 | if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); | |
726 | SSIZE_T res = REAL(pwritev64)(fd, iov, iovcnt, offset); | |
727 | if (res > 0) read_iovec(ctx, iov, iovcnt, res); | |
728 | return res; | |
729 | } | |
730 | #define INIT_PWRITEV64 COMMON_INTERCEPT_FUNCTION(pwritev64) | |
731 | #else | |
732 | #define INIT_PWRITEV64 | |
733 | #endif | |
734 | ||
735 | #if SANITIZER_INTERCEPT_PRCTL | |
736 | INTERCEPTOR(int, prctl, int option, unsigned long arg2, | |
737 | unsigned long arg3, // NOLINT | |
738 | unsigned long arg4, unsigned long arg5) { // NOLINT | |
739 | void *ctx; | |
740 | COMMON_INTERCEPTOR_ENTER(ctx, prctl, option, arg2, arg3, arg4, arg5); | |
741 | static const int PR_SET_NAME = 15; | |
742 | int res = REAL(prctl(option, arg2, arg3, arg4, arg5)); | |
743 | if (option == PR_SET_NAME) { | |
744 | char buff[16]; | |
745 | internal_strncpy(buff, (char *)arg2, 15); | |
746 | buff[15] = 0; | |
747 | COMMON_INTERCEPTOR_SET_THREAD_NAME(ctx, buff); | |
748 | } | |
749 | return res; | |
750 | } | |
751 | #define INIT_PRCTL COMMON_INTERCEPT_FUNCTION(prctl) | |
752 | #else | |
753 | #define INIT_PRCTL | |
754 | #endif // SANITIZER_INTERCEPT_PRCTL | |
755 | ||
756 | #if SANITIZER_INTERCEPT_TIME | |
757 | INTERCEPTOR(unsigned long, time, unsigned long *t) { | |
758 | void *ctx; | |
759 | COMMON_INTERCEPTOR_ENTER(ctx, time, t); | |
92a42be0 SL |
760 | unsigned long local_t; |
761 | unsigned long res = REAL(time)(&local_t); | |
1a4d82fc JJ |
762 | if (t && res != (unsigned long)-1) { |
763 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, t, sizeof(*t)); | |
92a42be0 | 764 | *t = local_t; |
1a4d82fc JJ |
765 | } |
766 | return res; | |
767 | } | |
768 | #define INIT_TIME COMMON_INTERCEPT_FUNCTION(time); | |
769 | #else | |
770 | #define INIT_TIME | |
771 | #endif // SANITIZER_INTERCEPT_TIME | |
772 | ||
773 | #if SANITIZER_INTERCEPT_LOCALTIME_AND_FRIENDS | |
774 | static void unpoison_tm(void *ctx, __sanitizer_tm *tm) { | |
775 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tm, sizeof(*tm)); | |
776 | if (tm->tm_zone) { | |
777 | // Can not use COMMON_INTERCEPTOR_WRITE_RANGE here, because tm->tm_zone | |
778 | // can point to shared memory and tsan would report a data race. | |
779 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(tm->tm_zone, | |
780 | REAL(strlen(tm->tm_zone)) + 1); | |
781 | } | |
782 | } | |
783 | INTERCEPTOR(__sanitizer_tm *, localtime, unsigned long *timep) { | |
784 | void *ctx; | |
785 | COMMON_INTERCEPTOR_ENTER(ctx, localtime, timep); | |
786 | __sanitizer_tm *res = REAL(localtime)(timep); | |
787 | if (res) { | |
788 | COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep)); | |
789 | unpoison_tm(ctx, res); | |
790 | } | |
791 | return res; | |
792 | } | |
793 | INTERCEPTOR(__sanitizer_tm *, localtime_r, unsigned long *timep, void *result) { | |
794 | void *ctx; | |
795 | COMMON_INTERCEPTOR_ENTER(ctx, localtime_r, timep, result); | |
796 | __sanitizer_tm *res = REAL(localtime_r)(timep, result); | |
797 | if (res) { | |
798 | COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep)); | |
799 | unpoison_tm(ctx, res); | |
800 | } | |
801 | return res; | |
802 | } | |
803 | INTERCEPTOR(__sanitizer_tm *, gmtime, unsigned long *timep) { | |
804 | void *ctx; | |
805 | COMMON_INTERCEPTOR_ENTER(ctx, gmtime, timep); | |
806 | __sanitizer_tm *res = REAL(gmtime)(timep); | |
807 | if (res) { | |
808 | COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep)); | |
809 | unpoison_tm(ctx, res); | |
810 | } | |
811 | return res; | |
812 | } | |
813 | INTERCEPTOR(__sanitizer_tm *, gmtime_r, unsigned long *timep, void *result) { | |
814 | void *ctx; | |
815 | COMMON_INTERCEPTOR_ENTER(ctx, gmtime_r, timep, result); | |
816 | __sanitizer_tm *res = REAL(gmtime_r)(timep, result); | |
817 | if (res) { | |
818 | COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep)); | |
819 | unpoison_tm(ctx, res); | |
820 | } | |
821 | return res; | |
822 | } | |
823 | INTERCEPTOR(char *, ctime, unsigned long *timep) { | |
824 | void *ctx; | |
825 | COMMON_INTERCEPTOR_ENTER(ctx, ctime, timep); | |
92a42be0 SL |
826 | // FIXME: under ASan the call below may write to freed memory and corrupt |
827 | // its metadata. See | |
828 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
829 | char *res = REAL(ctime)(timep); |
830 | if (res) { | |
831 | COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep)); | |
832 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
833 | } | |
834 | return res; | |
835 | } | |
836 | INTERCEPTOR(char *, ctime_r, unsigned long *timep, char *result) { | |
837 | void *ctx; | |
838 | COMMON_INTERCEPTOR_ENTER(ctx, ctime_r, timep, result); | |
92a42be0 SL |
839 | // FIXME: under ASan the call below may write to freed memory and corrupt |
840 | // its metadata. See | |
841 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
842 | char *res = REAL(ctime_r)(timep, result); |
843 | if (res) { | |
844 | COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep)); | |
845 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
846 | } | |
847 | return res; | |
848 | } | |
849 | INTERCEPTOR(char *, asctime, __sanitizer_tm *tm) { | |
850 | void *ctx; | |
851 | COMMON_INTERCEPTOR_ENTER(ctx, asctime, tm); | |
92a42be0 SL |
852 | // FIXME: under ASan the call below may write to freed memory and corrupt |
853 | // its metadata. See | |
854 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
855 | char *res = REAL(asctime)(tm); |
856 | if (res) { | |
857 | COMMON_INTERCEPTOR_READ_RANGE(ctx, tm, sizeof(*tm)); | |
858 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
859 | } | |
860 | return res; | |
861 | } | |
862 | INTERCEPTOR(char *, asctime_r, __sanitizer_tm *tm, char *result) { | |
863 | void *ctx; | |
864 | COMMON_INTERCEPTOR_ENTER(ctx, asctime_r, tm, result); | |
92a42be0 SL |
865 | // FIXME: under ASan the call below may write to freed memory and corrupt |
866 | // its metadata. See | |
867 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
868 | char *res = REAL(asctime_r)(tm, result); |
869 | if (res) { | |
870 | COMMON_INTERCEPTOR_READ_RANGE(ctx, tm, sizeof(*tm)); | |
871 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
872 | } | |
873 | return res; | |
874 | } | |
875 | INTERCEPTOR(long, mktime, __sanitizer_tm *tm) { | |
876 | void *ctx; | |
877 | COMMON_INTERCEPTOR_ENTER(ctx, mktime, tm); | |
878 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_sec, sizeof(tm->tm_sec)); | |
879 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_min, sizeof(tm->tm_min)); | |
880 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_hour, sizeof(tm->tm_hour)); | |
881 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_mday, sizeof(tm->tm_mday)); | |
882 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_mon, sizeof(tm->tm_mon)); | |
883 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_year, sizeof(tm->tm_year)); | |
884 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_isdst, sizeof(tm->tm_isdst)); | |
885 | long res = REAL(mktime)(tm); | |
886 | if (res != -1) unpoison_tm(ctx, tm); | |
887 | return res; | |
888 | } | |
889 | #define INIT_LOCALTIME_AND_FRIENDS \ | |
890 | COMMON_INTERCEPT_FUNCTION(localtime); \ | |
891 | COMMON_INTERCEPT_FUNCTION(localtime_r); \ | |
892 | COMMON_INTERCEPT_FUNCTION(gmtime); \ | |
893 | COMMON_INTERCEPT_FUNCTION(gmtime_r); \ | |
894 | COMMON_INTERCEPT_FUNCTION(ctime); \ | |
895 | COMMON_INTERCEPT_FUNCTION(ctime_r); \ | |
896 | COMMON_INTERCEPT_FUNCTION(asctime); \ | |
897 | COMMON_INTERCEPT_FUNCTION(asctime_r); \ | |
898 | COMMON_INTERCEPT_FUNCTION(mktime); | |
899 | #else | |
900 | #define INIT_LOCALTIME_AND_FRIENDS | |
901 | #endif // SANITIZER_INTERCEPT_LOCALTIME_AND_FRIENDS | |
902 | ||
903 | #if SANITIZER_INTERCEPT_STRPTIME | |
904 | INTERCEPTOR(char *, strptime, char *s, char *format, __sanitizer_tm *tm) { | |
905 | void *ctx; | |
906 | COMMON_INTERCEPTOR_ENTER(ctx, strptime, s, format, tm); | |
907 | if (format) | |
908 | COMMON_INTERCEPTOR_READ_RANGE(ctx, format, REAL(strlen)(format) + 1); | |
92a42be0 SL |
909 | // FIXME: under ASan the call below may write to freed memory and corrupt |
910 | // its metadata. See | |
911 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc | 912 | char *res = REAL(strptime)(s, format, tm); |
92a42be0 SL |
913 | COMMON_INTERCEPTOR_READ_STRING(ctx, s, res ? res - s : 0); |
914 | if (res && tm) { | |
1a4d82fc JJ |
915 | // Do not call unpoison_tm here, because strptime does not, in fact, |
916 | // initialize the entire struct tm. For example, tm_zone pointer is left | |
917 | // uninitialized. | |
92a42be0 | 918 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tm, sizeof(*tm)); |
1a4d82fc JJ |
919 | } |
920 | return res; | |
921 | } | |
922 | #define INIT_STRPTIME COMMON_INTERCEPT_FUNCTION(strptime); | |
923 | #else | |
924 | #define INIT_STRPTIME | |
925 | #endif | |
926 | ||
927 | #if SANITIZER_INTERCEPT_SCANF || SANITIZER_INTERCEPT_PRINTF | |
928 | #include "sanitizer_common_interceptors_format.inc" | |
929 | ||
930 | #define FORMAT_INTERCEPTOR_IMPL(name, vname, ...) \ | |
931 | { \ | |
932 | void *ctx; \ | |
933 | va_list ap; \ | |
934 | va_start(ap, format); \ | |
935 | COMMON_INTERCEPTOR_ENTER(ctx, vname, __VA_ARGS__, ap); \ | |
936 | int res = WRAP(vname)(__VA_ARGS__, ap); \ | |
937 | va_end(ap); \ | |
938 | return res; \ | |
939 | } | |
940 | ||
941 | #endif | |
942 | ||
943 | #if SANITIZER_INTERCEPT_SCANF | |
944 | ||
945 | #define VSCANF_INTERCEPTOR_IMPL(vname, allowGnuMalloc, ...) \ | |
946 | { \ | |
947 | void *ctx; \ | |
948 | COMMON_INTERCEPTOR_ENTER(ctx, vname, __VA_ARGS__); \ | |
949 | va_list aq; \ | |
950 | va_copy(aq, ap); \ | |
951 | int res = REAL(vname)(__VA_ARGS__); \ | |
952 | if (res > 0) \ | |
953 | scanf_common(ctx, res, allowGnuMalloc, format, aq); \ | |
954 | va_end(aq); \ | |
955 | return res; \ | |
956 | } | |
957 | ||
958 | INTERCEPTOR(int, vscanf, const char *format, va_list ap) | |
959 | VSCANF_INTERCEPTOR_IMPL(vscanf, true, format, ap) | |
960 | ||
961 | INTERCEPTOR(int, vsscanf, const char *str, const char *format, va_list ap) | |
962 | VSCANF_INTERCEPTOR_IMPL(vsscanf, true, str, format, ap) | |
963 | ||
964 | INTERCEPTOR(int, vfscanf, void *stream, const char *format, va_list ap) | |
965 | VSCANF_INTERCEPTOR_IMPL(vfscanf, true, stream, format, ap) | |
966 | ||
967 | #if SANITIZER_INTERCEPT_ISOC99_SCANF | |
968 | INTERCEPTOR(int, __isoc99_vscanf, const char *format, va_list ap) | |
969 | VSCANF_INTERCEPTOR_IMPL(__isoc99_vscanf, false, format, ap) | |
970 | ||
971 | INTERCEPTOR(int, __isoc99_vsscanf, const char *str, const char *format, | |
972 | va_list ap) | |
973 | VSCANF_INTERCEPTOR_IMPL(__isoc99_vsscanf, false, str, format, ap) | |
974 | ||
975 | INTERCEPTOR(int, __isoc99_vfscanf, void *stream, const char *format, va_list ap) | |
976 | VSCANF_INTERCEPTOR_IMPL(__isoc99_vfscanf, false, stream, format, ap) | |
977 | #endif // SANITIZER_INTERCEPT_ISOC99_SCANF | |
978 | ||
979 | INTERCEPTOR(int, scanf, const char *format, ...) | |
980 | FORMAT_INTERCEPTOR_IMPL(scanf, vscanf, format) | |
981 | ||
982 | INTERCEPTOR(int, fscanf, void *stream, const char *format, ...) | |
983 | FORMAT_INTERCEPTOR_IMPL(fscanf, vfscanf, stream, format) | |
984 | ||
985 | INTERCEPTOR(int, sscanf, const char *str, const char *format, ...) | |
986 | FORMAT_INTERCEPTOR_IMPL(sscanf, vsscanf, str, format) | |
987 | ||
988 | #if SANITIZER_INTERCEPT_ISOC99_SCANF | |
989 | INTERCEPTOR(int, __isoc99_scanf, const char *format, ...) | |
990 | FORMAT_INTERCEPTOR_IMPL(__isoc99_scanf, __isoc99_vscanf, format) | |
991 | ||
992 | INTERCEPTOR(int, __isoc99_fscanf, void *stream, const char *format, ...) | |
993 | FORMAT_INTERCEPTOR_IMPL(__isoc99_fscanf, __isoc99_vfscanf, stream, format) | |
994 | ||
995 | INTERCEPTOR(int, __isoc99_sscanf, const char *str, const char *format, ...) | |
996 | FORMAT_INTERCEPTOR_IMPL(__isoc99_sscanf, __isoc99_vsscanf, str, format) | |
997 | #endif | |
998 | ||
999 | #endif | |
1000 | ||
1001 | #if SANITIZER_INTERCEPT_SCANF | |
1002 | #define INIT_SCANF \ | |
1003 | COMMON_INTERCEPT_FUNCTION(scanf); \ | |
1004 | COMMON_INTERCEPT_FUNCTION(sscanf); \ | |
1005 | COMMON_INTERCEPT_FUNCTION(fscanf); \ | |
1006 | COMMON_INTERCEPT_FUNCTION(vscanf); \ | |
1007 | COMMON_INTERCEPT_FUNCTION(vsscanf); \ | |
1008 | COMMON_INTERCEPT_FUNCTION(vfscanf); | |
1009 | #else | |
1010 | #define INIT_SCANF | |
1011 | #endif | |
1012 | ||
1013 | #if SANITIZER_INTERCEPT_ISOC99_SCANF | |
1014 | #define INIT_ISOC99_SCANF \ | |
1015 | COMMON_INTERCEPT_FUNCTION(__isoc99_scanf); \ | |
1016 | COMMON_INTERCEPT_FUNCTION(__isoc99_sscanf); \ | |
1017 | COMMON_INTERCEPT_FUNCTION(__isoc99_fscanf); \ | |
1018 | COMMON_INTERCEPT_FUNCTION(__isoc99_vscanf); \ | |
1019 | COMMON_INTERCEPT_FUNCTION(__isoc99_vsscanf); \ | |
1020 | COMMON_INTERCEPT_FUNCTION(__isoc99_vfscanf); | |
1021 | #else | |
1022 | #define INIT_ISOC99_SCANF | |
1023 | #endif | |
1024 | ||
1025 | #if SANITIZER_INTERCEPT_PRINTF | |
1026 | ||
1027 | #define VPRINTF_INTERCEPTOR_ENTER(vname, ...) \ | |
1028 | void *ctx; \ | |
1029 | COMMON_INTERCEPTOR_ENTER(ctx, vname, __VA_ARGS__); \ | |
1030 | va_list aq; \ | |
1031 | va_copy(aq, ap); | |
1032 | ||
1033 | #define VPRINTF_INTERCEPTOR_RETURN() \ | |
1034 | va_end(aq); | |
1035 | ||
1036 | #define VPRINTF_INTERCEPTOR_IMPL(vname, ...) \ | |
1037 | { \ | |
1038 | VPRINTF_INTERCEPTOR_ENTER(vname, __VA_ARGS__); \ | |
1039 | if (common_flags()->check_printf) \ | |
1040 | printf_common(ctx, format, aq); \ | |
1041 | int res = REAL(vname)(__VA_ARGS__); \ | |
1042 | VPRINTF_INTERCEPTOR_RETURN(); \ | |
1043 | return res; \ | |
1044 | } | |
1045 | ||
92a42be0 SL |
1046 | // FIXME: under ASan the REAL() call below may write to freed memory and |
1047 | // corrupt its metadata. See | |
1048 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1049 | #define VSPRINTF_INTERCEPTOR_IMPL(vname, str, ...) \ |
1050 | { \ | |
1051 | VPRINTF_INTERCEPTOR_ENTER(vname, str, __VA_ARGS__) \ | |
1052 | if (common_flags()->check_printf) { \ | |
1053 | printf_common(ctx, format, aq); \ | |
1054 | } \ | |
1055 | int res = REAL(vname)(str, __VA_ARGS__); \ | |
92a42be0 | 1056 | if (res >= 0) { \ |
1a4d82fc JJ |
1057 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, str, res + 1); \ |
1058 | } \ | |
1059 | VPRINTF_INTERCEPTOR_RETURN(); \ | |
1060 | return res; \ | |
1061 | } | |
1062 | ||
92a42be0 SL |
1063 | // FIXME: under ASan the REAL() call below may write to freed memory and |
1064 | // corrupt its metadata. See | |
1065 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1066 | #define VSNPRINTF_INTERCEPTOR_IMPL(vname, str, size, ...) \ |
1067 | { \ | |
1068 | VPRINTF_INTERCEPTOR_ENTER(vname, str, size, __VA_ARGS__) \ | |
1069 | if (common_flags()->check_printf) { \ | |
1070 | printf_common(ctx, format, aq); \ | |
1071 | } \ | |
1072 | int res = REAL(vname)(str, size, __VA_ARGS__); \ | |
92a42be0 | 1073 | if (res >= 0) { \ |
1a4d82fc JJ |
1074 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, str, Min(size, (SIZE_T)(res + 1))); \ |
1075 | } \ | |
1076 | VPRINTF_INTERCEPTOR_RETURN(); \ | |
1077 | return res; \ | |
1078 | } | |
1079 | ||
92a42be0 SL |
1080 | // FIXME: under ASan the REAL() call below may write to freed memory and |
1081 | // corrupt its metadata. See | |
1082 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1083 | #define VASPRINTF_INTERCEPTOR_IMPL(vname, strp, ...) \ |
1084 | { \ | |
1085 | VPRINTF_INTERCEPTOR_ENTER(vname, strp, __VA_ARGS__) \ | |
92a42be0 | 1086 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, strp, sizeof(char *)); \ |
1a4d82fc | 1087 | if (common_flags()->check_printf) { \ |
1a4d82fc JJ |
1088 | printf_common(ctx, format, aq); \ |
1089 | } \ | |
1090 | int res = REAL(vname)(strp, __VA_ARGS__); \ | |
92a42be0 | 1091 | if (res >= 0) { \ |
1a4d82fc JJ |
1092 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *strp, res + 1); \ |
1093 | } \ | |
1094 | VPRINTF_INTERCEPTOR_RETURN(); \ | |
1095 | return res; \ | |
1096 | } | |
1097 | ||
1098 | INTERCEPTOR(int, vprintf, const char *format, va_list ap) | |
1099 | VPRINTF_INTERCEPTOR_IMPL(vprintf, format, ap) | |
1100 | ||
92a42be0 SL |
1101 | INTERCEPTOR(int, vfprintf, __sanitizer_FILE *stream, const char *format, |
1102 | va_list ap) | |
1a4d82fc JJ |
1103 | VPRINTF_INTERCEPTOR_IMPL(vfprintf, stream, format, ap) |
1104 | ||
1105 | INTERCEPTOR(int, vsnprintf, char *str, SIZE_T size, const char *format, | |
1106 | va_list ap) | |
1107 | VSNPRINTF_INTERCEPTOR_IMPL(vsnprintf, str, size, format, ap) | |
1108 | ||
92a42be0 SL |
1109 | #if SANITIZER_INTERCEPT_PRINTF_L |
1110 | INTERCEPTOR(int, vsnprintf_l, char *str, SIZE_T size, void *loc, | |
1111 | const char *format, va_list ap) | |
1112 | VSNPRINTF_INTERCEPTOR_IMPL(vsnprintf_l, str, size, loc, format, ap) | |
1113 | ||
1114 | INTERCEPTOR(int, snprintf_l, char *str, SIZE_T size, void *loc, | |
1115 | const char *format, ...) | |
1116 | FORMAT_INTERCEPTOR_IMPL(snprintf_l, vsnprintf_l, str, size, loc, format) | |
1117 | #endif // SANITIZER_INTERCEPT_PRINTF_L | |
1118 | ||
1a4d82fc JJ |
1119 | INTERCEPTOR(int, vsprintf, char *str, const char *format, va_list ap) |
1120 | VSPRINTF_INTERCEPTOR_IMPL(vsprintf, str, format, ap) | |
1121 | ||
1122 | INTERCEPTOR(int, vasprintf, char **strp, const char *format, va_list ap) | |
1123 | VASPRINTF_INTERCEPTOR_IMPL(vasprintf, strp, format, ap) | |
1124 | ||
1125 | #if SANITIZER_INTERCEPT_ISOC99_PRINTF | |
1126 | INTERCEPTOR(int, __isoc99_vprintf, const char *format, va_list ap) | |
1127 | VPRINTF_INTERCEPTOR_IMPL(__isoc99_vprintf, format, ap) | |
1128 | ||
92a42be0 SL |
1129 | INTERCEPTOR(int, __isoc99_vfprintf, __sanitizer_FILE *stream, |
1130 | const char *format, va_list ap) | |
1a4d82fc JJ |
1131 | VPRINTF_INTERCEPTOR_IMPL(__isoc99_vfprintf, stream, format, ap) |
1132 | ||
1133 | INTERCEPTOR(int, __isoc99_vsnprintf, char *str, SIZE_T size, const char *format, | |
1134 | va_list ap) | |
1135 | VSNPRINTF_INTERCEPTOR_IMPL(__isoc99_vsnprintf, str, size, format, ap) | |
1136 | ||
1137 | INTERCEPTOR(int, __isoc99_vsprintf, char *str, const char *format, | |
1138 | va_list ap) | |
1139 | VSPRINTF_INTERCEPTOR_IMPL(__isoc99_vsprintf, str, format, | |
1140 | ap) | |
1141 | ||
1142 | #endif // SANITIZER_INTERCEPT_ISOC99_PRINTF | |
1143 | ||
1144 | INTERCEPTOR(int, printf, const char *format, ...) | |
1145 | FORMAT_INTERCEPTOR_IMPL(printf, vprintf, format) | |
1146 | ||
92a42be0 | 1147 | INTERCEPTOR(int, fprintf, __sanitizer_FILE *stream, const char *format, ...) |
1a4d82fc JJ |
1148 | FORMAT_INTERCEPTOR_IMPL(fprintf, vfprintf, stream, format) |
1149 | ||
1150 | INTERCEPTOR(int, sprintf, char *str, const char *format, ...) // NOLINT | |
1151 | FORMAT_INTERCEPTOR_IMPL(sprintf, vsprintf, str, format) // NOLINT | |
1152 | ||
1153 | INTERCEPTOR(int, snprintf, char *str, SIZE_T size, const char *format, ...) | |
1154 | FORMAT_INTERCEPTOR_IMPL(snprintf, vsnprintf, str, size, format) | |
1155 | ||
1156 | INTERCEPTOR(int, asprintf, char **strp, const char *format, ...) | |
1157 | FORMAT_INTERCEPTOR_IMPL(asprintf, vasprintf, strp, format) | |
1158 | ||
1159 | #if SANITIZER_INTERCEPT_ISOC99_PRINTF | |
1160 | INTERCEPTOR(int, __isoc99_printf, const char *format, ...) | |
1161 | FORMAT_INTERCEPTOR_IMPL(__isoc99_printf, __isoc99_vprintf, format) | |
1162 | ||
92a42be0 SL |
1163 | INTERCEPTOR(int, __isoc99_fprintf, __sanitizer_FILE *stream, const char *format, |
1164 | ...) | |
1a4d82fc JJ |
1165 | FORMAT_INTERCEPTOR_IMPL(__isoc99_fprintf, __isoc99_vfprintf, stream, format) |
1166 | ||
1167 | INTERCEPTOR(int, __isoc99_sprintf, char *str, const char *format, ...) | |
1168 | FORMAT_INTERCEPTOR_IMPL(__isoc99_sprintf, __isoc99_vsprintf, str, format) | |
1169 | ||
1170 | INTERCEPTOR(int, __isoc99_snprintf, char *str, SIZE_T size, | |
1171 | const char *format, ...) | |
1172 | FORMAT_INTERCEPTOR_IMPL(__isoc99_snprintf, __isoc99_vsnprintf, str, size, | |
1173 | format) | |
1174 | ||
1175 | #endif // SANITIZER_INTERCEPT_ISOC99_PRINTF | |
1176 | ||
1177 | #endif // SANITIZER_INTERCEPT_PRINTF | |
1178 | ||
1179 | #if SANITIZER_INTERCEPT_PRINTF | |
1180 | #define INIT_PRINTF \ | |
1181 | COMMON_INTERCEPT_FUNCTION(printf); \ | |
1182 | COMMON_INTERCEPT_FUNCTION(sprintf); \ | |
1183 | COMMON_INTERCEPT_FUNCTION(snprintf); \ | |
1184 | COMMON_INTERCEPT_FUNCTION(asprintf); \ | |
1185 | COMMON_INTERCEPT_FUNCTION(fprintf); \ | |
1186 | COMMON_INTERCEPT_FUNCTION(vprintf); \ | |
1187 | COMMON_INTERCEPT_FUNCTION(vsprintf); \ | |
1188 | COMMON_INTERCEPT_FUNCTION(vsnprintf); \ | |
1189 | COMMON_INTERCEPT_FUNCTION(vasprintf); \ | |
1190 | COMMON_INTERCEPT_FUNCTION(vfprintf); | |
1191 | #else | |
1192 | #define INIT_PRINTF | |
1193 | #endif | |
1194 | ||
92a42be0 SL |
1195 | #if SANITIZER_INTERCEPT_PRINTF_L |
1196 | #define INIT_PRINTF_L \ | |
1197 | COMMON_INTERCEPT_FUNCTION(snprintf_l); \ | |
1198 | COMMON_INTERCEPT_FUNCTION(vsnprintf_l); | |
1199 | #else | |
1200 | #define INIT_PRINTF_L | |
1201 | #endif | |
1202 | ||
1a4d82fc JJ |
1203 | #if SANITIZER_INTERCEPT_ISOC99_PRINTF |
1204 | #define INIT_ISOC99_PRINTF \ | |
1205 | COMMON_INTERCEPT_FUNCTION(__isoc99_printf); \ | |
1206 | COMMON_INTERCEPT_FUNCTION(__isoc99_sprintf); \ | |
1207 | COMMON_INTERCEPT_FUNCTION(__isoc99_snprintf); \ | |
1208 | COMMON_INTERCEPT_FUNCTION(__isoc99_fprintf); \ | |
1209 | COMMON_INTERCEPT_FUNCTION(__isoc99_vprintf); \ | |
1210 | COMMON_INTERCEPT_FUNCTION(__isoc99_vsprintf); \ | |
1211 | COMMON_INTERCEPT_FUNCTION(__isoc99_vsnprintf); \ | |
1212 | COMMON_INTERCEPT_FUNCTION(__isoc99_vfprintf); | |
1213 | #else | |
1214 | #define INIT_ISOC99_PRINTF | |
1215 | #endif | |
1216 | ||
1217 | #if SANITIZER_INTERCEPT_IOCTL | |
1218 | #include "sanitizer_common_interceptors_ioctl.inc" | |
92a42be0 SL |
1219 | INTERCEPTOR(int, ioctl, int d, unsigned long request, ...) { |
1220 | // We need a frame pointer, because we call into ioctl_common_[pre|post] which | |
1221 | // can trigger a report and we need to be able to unwind through this | |
1222 | // function. On Mac in debug mode we might not have a frame pointer, because | |
1223 | // ioctl_common_[pre|post] doesn't get inlined here. | |
1224 | ENABLE_FRAME_POINTER; | |
1225 | ||
1226 | void *ctx; | |
1227 | va_list ap; | |
1228 | va_start(ap, request); | |
1229 | void *arg = va_arg(ap, void *); | |
1230 | va_end(ap); | |
1a4d82fc JJ |
1231 | COMMON_INTERCEPTOR_ENTER(ctx, ioctl, d, request, arg); |
1232 | ||
1233 | CHECK(ioctl_initialized); | |
1234 | ||
1235 | // Note: TSan does not use common flags, and they are zero-initialized. | |
1236 | // This effectively disables ioctl handling in TSan. | |
1237 | if (!common_flags()->handle_ioctl) return REAL(ioctl)(d, request, arg); | |
1238 | ||
92a42be0 SL |
1239 | // Although request is unsigned long, the rest of the interceptor uses it |
1240 | // as just "unsigned" to save space, because we know that all values fit in | |
1241 | // "unsigned" - they are compile-time constants. | |
1242 | ||
1a4d82fc JJ |
1243 | const ioctl_desc *desc = ioctl_lookup(request); |
1244 | ioctl_desc decoded_desc; | |
1245 | if (!desc) { | |
1246 | VPrintf(2, "Decoding unknown ioctl 0x%x\n", request); | |
1247 | if (!ioctl_decode(request, &decoded_desc)) | |
1248 | Printf("WARNING: failed decoding unknown ioctl 0x%x\n", request); | |
1249 | else | |
1250 | desc = &decoded_desc; | |
1251 | } | |
1252 | ||
1253 | if (desc) ioctl_common_pre(ctx, desc, d, request, arg); | |
1254 | int res = REAL(ioctl)(d, request, arg); | |
1255 | // FIXME: some ioctls have different return values for success and failure. | |
1256 | if (desc && res != -1) ioctl_common_post(ctx, desc, res, d, request, arg); | |
1257 | return res; | |
1258 | } | |
1259 | #define INIT_IOCTL \ | |
1260 | ioctl_init(); \ | |
1261 | COMMON_INTERCEPT_FUNCTION(ioctl); | |
1262 | #else | |
1263 | #define INIT_IOCTL | |
1264 | #endif | |
1265 | ||
1266 | #if SANITIZER_INTERCEPT_GETPWNAM_AND_FRIENDS || \ | |
92a42be0 SL |
1267 | SANITIZER_INTERCEPT_GETPWENT || SANITIZER_INTERCEPT_FGETPWENT || \ |
1268 | SANITIZER_INTERCEPT_GETPWENT_R || SANITIZER_INTERCEPT_GETPWNAM_R_AND_FRIENDS | |
1a4d82fc JJ |
1269 | static void unpoison_passwd(void *ctx, __sanitizer_passwd *pwd) { |
1270 | if (pwd) { | |
1271 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd, sizeof(*pwd)); | |
1272 | if (pwd->pw_name) | |
1273 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(pwd->pw_name, | |
1274 | REAL(strlen)(pwd->pw_name) + 1); | |
1275 | if (pwd->pw_passwd) | |
1276 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(pwd->pw_passwd, | |
1277 | REAL(strlen)(pwd->pw_passwd) + 1); | |
1278 | #if !SANITIZER_ANDROID | |
1279 | if (pwd->pw_gecos) | |
1280 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(pwd->pw_gecos, | |
1281 | REAL(strlen)(pwd->pw_gecos) + 1); | |
1282 | #endif | |
1283 | #if SANITIZER_MAC | |
1284 | if (pwd->pw_class) | |
1285 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(pwd->pw_class, | |
1286 | REAL(strlen)(pwd->pw_class) + 1); | |
1287 | #endif | |
1288 | if (pwd->pw_dir) | |
1289 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(pwd->pw_dir, | |
1290 | REAL(strlen)(pwd->pw_dir) + 1); | |
1291 | if (pwd->pw_shell) | |
1292 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(pwd->pw_shell, | |
1293 | REAL(strlen)(pwd->pw_shell) + 1); | |
1294 | } | |
1295 | } | |
1296 | ||
1297 | static void unpoison_group(void *ctx, __sanitizer_group *grp) { | |
1298 | if (grp) { | |
1299 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp, sizeof(*grp)); | |
1300 | if (grp->gr_name) | |
1301 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(grp->gr_name, | |
1302 | REAL(strlen)(grp->gr_name) + 1); | |
1303 | if (grp->gr_passwd) | |
1304 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(grp->gr_passwd, | |
1305 | REAL(strlen)(grp->gr_passwd) + 1); | |
1306 | char **p = grp->gr_mem; | |
1307 | for (; *p; ++p) { | |
1308 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(*p, REAL(strlen)(*p) + 1); | |
1309 | } | |
1310 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(grp->gr_mem, | |
1311 | (p - grp->gr_mem + 1) * sizeof(*p)); | |
1312 | } | |
1313 | } | |
1314 | #endif // SANITIZER_INTERCEPT_GETPWNAM_AND_FRIENDS || | |
92a42be0 SL |
1315 | // SANITIZER_INTERCEPT_GETPWENT || SANITIZER_INTERCEPT_FGETPWENT || |
1316 | // SANITIZER_INTERCEPT_GETPWENT_R || | |
1317 | // SANITIZER_INTERCEPT_GETPWNAM_R_AND_FRIENDS | |
1a4d82fc JJ |
1318 | |
1319 | #if SANITIZER_INTERCEPT_GETPWNAM_AND_FRIENDS | |
1320 | INTERCEPTOR(__sanitizer_passwd *, getpwnam, const char *name) { | |
1321 | void *ctx; | |
1322 | COMMON_INTERCEPTOR_ENTER(ctx, getpwnam, name); | |
1323 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
1324 | __sanitizer_passwd *res = REAL(getpwnam)(name); | |
92a42be0 | 1325 | if (res) unpoison_passwd(ctx, res); |
1a4d82fc JJ |
1326 | return res; |
1327 | } | |
1328 | INTERCEPTOR(__sanitizer_passwd *, getpwuid, u32 uid) { | |
1329 | void *ctx; | |
1330 | COMMON_INTERCEPTOR_ENTER(ctx, getpwuid, uid); | |
1331 | __sanitizer_passwd *res = REAL(getpwuid)(uid); | |
92a42be0 | 1332 | if (res) unpoison_passwd(ctx, res); |
1a4d82fc JJ |
1333 | return res; |
1334 | } | |
1335 | INTERCEPTOR(__sanitizer_group *, getgrnam, const char *name) { | |
1336 | void *ctx; | |
1337 | COMMON_INTERCEPTOR_ENTER(ctx, getgrnam, name); | |
1338 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
1339 | __sanitizer_group *res = REAL(getgrnam)(name); | |
92a42be0 | 1340 | if (res) unpoison_group(ctx, res); |
1a4d82fc JJ |
1341 | return res; |
1342 | } | |
1343 | INTERCEPTOR(__sanitizer_group *, getgrgid, u32 gid) { | |
1344 | void *ctx; | |
1345 | COMMON_INTERCEPTOR_ENTER(ctx, getgrgid, gid); | |
1346 | __sanitizer_group *res = REAL(getgrgid)(gid); | |
92a42be0 | 1347 | if (res) unpoison_group(ctx, res); |
1a4d82fc JJ |
1348 | return res; |
1349 | } | |
1350 | #define INIT_GETPWNAM_AND_FRIENDS \ | |
1351 | COMMON_INTERCEPT_FUNCTION(getpwnam); \ | |
1352 | COMMON_INTERCEPT_FUNCTION(getpwuid); \ | |
1353 | COMMON_INTERCEPT_FUNCTION(getgrnam); \ | |
1354 | COMMON_INTERCEPT_FUNCTION(getgrgid); | |
1355 | #else | |
1356 | #define INIT_GETPWNAM_AND_FRIENDS | |
1357 | #endif | |
1358 | ||
1359 | #if SANITIZER_INTERCEPT_GETPWNAM_R_AND_FRIENDS | |
1360 | INTERCEPTOR(int, getpwnam_r, const char *name, __sanitizer_passwd *pwd, | |
1361 | char *buf, SIZE_T buflen, __sanitizer_passwd **result) { | |
1362 | void *ctx; | |
1363 | COMMON_INTERCEPTOR_ENTER(ctx, getpwnam_r, name, pwd, buf, buflen, result); | |
1364 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
92a42be0 SL |
1365 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1366 | // its metadata. See | |
1367 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1368 | int res = REAL(getpwnam_r)(name, pwd, buf, buflen, result); |
1369 | if (!res) { | |
92a42be0 | 1370 | if (result && *result) unpoison_passwd(ctx, *result); |
1a4d82fc JJ |
1371 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen); |
1372 | } | |
1373 | if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
1374 | return res; | |
1375 | } | |
1376 | INTERCEPTOR(int, getpwuid_r, u32 uid, __sanitizer_passwd *pwd, char *buf, | |
1377 | SIZE_T buflen, __sanitizer_passwd **result) { | |
1378 | void *ctx; | |
1379 | COMMON_INTERCEPTOR_ENTER(ctx, getpwuid_r, uid, pwd, buf, buflen, result); | |
92a42be0 SL |
1380 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1381 | // its metadata. See | |
1382 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1383 | int res = REAL(getpwuid_r)(uid, pwd, buf, buflen, result); |
1384 | if (!res) { | |
92a42be0 | 1385 | if (result && *result) unpoison_passwd(ctx, *result); |
1a4d82fc JJ |
1386 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen); |
1387 | } | |
1388 | if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
1389 | return res; | |
1390 | } | |
1391 | INTERCEPTOR(int, getgrnam_r, const char *name, __sanitizer_group *grp, | |
1392 | char *buf, SIZE_T buflen, __sanitizer_group **result) { | |
1393 | void *ctx; | |
1394 | COMMON_INTERCEPTOR_ENTER(ctx, getgrnam_r, name, grp, buf, buflen, result); | |
1395 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
92a42be0 SL |
1396 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1397 | // its metadata. See | |
1398 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1399 | int res = REAL(getgrnam_r)(name, grp, buf, buflen, result); |
1400 | if (!res) { | |
92a42be0 | 1401 | if (result && *result) unpoison_group(ctx, *result); |
1a4d82fc JJ |
1402 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen); |
1403 | } | |
1404 | if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
1405 | return res; | |
1406 | } | |
1407 | INTERCEPTOR(int, getgrgid_r, u32 gid, __sanitizer_group *grp, char *buf, | |
1408 | SIZE_T buflen, __sanitizer_group **result) { | |
1409 | void *ctx; | |
1410 | COMMON_INTERCEPTOR_ENTER(ctx, getgrgid_r, gid, grp, buf, buflen, result); | |
92a42be0 SL |
1411 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1412 | // its metadata. See | |
1413 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1414 | int res = REAL(getgrgid_r)(gid, grp, buf, buflen, result); |
1415 | if (!res) { | |
92a42be0 | 1416 | if (result && *result) unpoison_group(ctx, *result); |
1a4d82fc JJ |
1417 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen); |
1418 | } | |
1419 | if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
1420 | return res; | |
1421 | } | |
1422 | #define INIT_GETPWNAM_R_AND_FRIENDS \ | |
1423 | COMMON_INTERCEPT_FUNCTION(getpwnam_r); \ | |
1424 | COMMON_INTERCEPT_FUNCTION(getpwuid_r); \ | |
1425 | COMMON_INTERCEPT_FUNCTION(getgrnam_r); \ | |
1426 | COMMON_INTERCEPT_FUNCTION(getgrgid_r); | |
1427 | #else | |
1428 | #define INIT_GETPWNAM_R_AND_FRIENDS | |
1429 | #endif | |
1430 | ||
1431 | #if SANITIZER_INTERCEPT_GETPWENT | |
1432 | INTERCEPTOR(__sanitizer_passwd *, getpwent, int dummy) { | |
1433 | void *ctx; | |
1434 | COMMON_INTERCEPTOR_ENTER(ctx, getpwent, dummy); | |
1435 | __sanitizer_passwd *res = REAL(getpwent)(dummy); | |
92a42be0 | 1436 | if (res) unpoison_passwd(ctx, res); |
1a4d82fc JJ |
1437 | return res; |
1438 | } | |
1439 | INTERCEPTOR(__sanitizer_group *, getgrent, int dummy) { | |
1440 | void *ctx; | |
1441 | COMMON_INTERCEPTOR_ENTER(ctx, getgrent, dummy); | |
1442 | __sanitizer_group *res = REAL(getgrent)(dummy); | |
92a42be0 | 1443 | if (res) unpoison_group(ctx, res);; |
1a4d82fc JJ |
1444 | return res; |
1445 | } | |
1446 | #define INIT_GETPWENT \ | |
1447 | COMMON_INTERCEPT_FUNCTION(getpwent); \ | |
1448 | COMMON_INTERCEPT_FUNCTION(getgrent); | |
1449 | #else | |
1450 | #define INIT_GETPWENT | |
1451 | #endif | |
1452 | ||
1453 | #if SANITIZER_INTERCEPT_FGETPWENT | |
1454 | INTERCEPTOR(__sanitizer_passwd *, fgetpwent, void *fp) { | |
1455 | void *ctx; | |
1456 | COMMON_INTERCEPTOR_ENTER(ctx, fgetpwent, fp); | |
1457 | __sanitizer_passwd *res = REAL(fgetpwent)(fp); | |
92a42be0 | 1458 | if (res) unpoison_passwd(ctx, res); |
1a4d82fc JJ |
1459 | return res; |
1460 | } | |
1461 | INTERCEPTOR(__sanitizer_group *, fgetgrent, void *fp) { | |
1462 | void *ctx; | |
1463 | COMMON_INTERCEPTOR_ENTER(ctx, fgetgrent, fp); | |
1464 | __sanitizer_group *res = REAL(fgetgrent)(fp); | |
92a42be0 | 1465 | if (res) unpoison_group(ctx, res); |
1a4d82fc JJ |
1466 | return res; |
1467 | } | |
1468 | #define INIT_FGETPWENT \ | |
1469 | COMMON_INTERCEPT_FUNCTION(fgetpwent); \ | |
1470 | COMMON_INTERCEPT_FUNCTION(fgetgrent); | |
1471 | #else | |
1472 | #define INIT_FGETPWENT | |
1473 | #endif | |
1474 | ||
1475 | #if SANITIZER_INTERCEPT_GETPWENT_R | |
1476 | INTERCEPTOR(int, getpwent_r, __sanitizer_passwd *pwbuf, char *buf, | |
1477 | SIZE_T buflen, __sanitizer_passwd **pwbufp) { | |
1478 | void *ctx; | |
1479 | COMMON_INTERCEPTOR_ENTER(ctx, getpwent_r, pwbuf, buf, buflen, pwbufp); | |
92a42be0 SL |
1480 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1481 | // its metadata. See | |
1482 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1483 | int res = REAL(getpwent_r)(pwbuf, buf, buflen, pwbufp); |
1484 | if (!res) { | |
92a42be0 | 1485 | if (pwbufp && *pwbufp) unpoison_passwd(ctx, *pwbufp); |
1a4d82fc JJ |
1486 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen); |
1487 | } | |
1488 | if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp)); | |
1489 | return res; | |
1490 | } | |
1491 | INTERCEPTOR(int, fgetpwent_r, void *fp, __sanitizer_passwd *pwbuf, char *buf, | |
1492 | SIZE_T buflen, __sanitizer_passwd **pwbufp) { | |
1493 | void *ctx; | |
1494 | COMMON_INTERCEPTOR_ENTER(ctx, fgetpwent_r, fp, pwbuf, buf, buflen, pwbufp); | |
92a42be0 SL |
1495 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1496 | // its metadata. See | |
1497 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1498 | int res = REAL(fgetpwent_r)(fp, pwbuf, buf, buflen, pwbufp); |
1499 | if (!res) { | |
92a42be0 | 1500 | if (pwbufp && *pwbufp) unpoison_passwd(ctx, *pwbufp); |
1a4d82fc JJ |
1501 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen); |
1502 | } | |
1503 | if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp)); | |
1504 | return res; | |
1505 | } | |
1506 | INTERCEPTOR(int, getgrent_r, __sanitizer_group *pwbuf, char *buf, SIZE_T buflen, | |
1507 | __sanitizer_group **pwbufp) { | |
1508 | void *ctx; | |
1509 | COMMON_INTERCEPTOR_ENTER(ctx, getgrent_r, pwbuf, buf, buflen, pwbufp); | |
92a42be0 SL |
1510 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1511 | // its metadata. See | |
1512 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1513 | int res = REAL(getgrent_r)(pwbuf, buf, buflen, pwbufp); |
1514 | if (!res) { | |
92a42be0 | 1515 | if (pwbufp && *pwbufp) unpoison_group(ctx, *pwbufp); |
1a4d82fc JJ |
1516 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen); |
1517 | } | |
1518 | if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp)); | |
1519 | return res; | |
1520 | } | |
1521 | INTERCEPTOR(int, fgetgrent_r, void *fp, __sanitizer_group *pwbuf, char *buf, | |
1522 | SIZE_T buflen, __sanitizer_group **pwbufp) { | |
1523 | void *ctx; | |
1524 | COMMON_INTERCEPTOR_ENTER(ctx, fgetgrent_r, fp, pwbuf, buf, buflen, pwbufp); | |
92a42be0 SL |
1525 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1526 | // its metadata. See | |
1527 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1528 | int res = REAL(fgetgrent_r)(fp, pwbuf, buf, buflen, pwbufp); |
1529 | if (!res) { | |
92a42be0 | 1530 | if (pwbufp && *pwbufp) unpoison_group(ctx, *pwbufp); |
1a4d82fc JJ |
1531 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen); |
1532 | } | |
1533 | if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp)); | |
1534 | return res; | |
1535 | } | |
1536 | #define INIT_GETPWENT_R \ | |
1537 | COMMON_INTERCEPT_FUNCTION(getpwent_r); \ | |
1538 | COMMON_INTERCEPT_FUNCTION(fgetpwent_r); \ | |
1539 | COMMON_INTERCEPT_FUNCTION(getgrent_r); \ | |
1540 | COMMON_INTERCEPT_FUNCTION(fgetgrent_r); | |
1541 | #else | |
1542 | #define INIT_GETPWENT_R | |
1543 | #endif | |
1544 | ||
1545 | #if SANITIZER_INTERCEPT_SETPWENT | |
1546 | // The only thing these interceptors do is disable any nested interceptors. | |
1547 | // These functions may open nss modules and call uninstrumented functions from | |
1548 | // them, and we don't want things like strlen() to trigger. | |
1549 | INTERCEPTOR(void, setpwent, int dummy) { | |
1550 | void *ctx; | |
1551 | COMMON_INTERCEPTOR_ENTER(ctx, setpwent, dummy); | |
1552 | REAL(setpwent)(dummy); | |
1553 | } | |
1554 | INTERCEPTOR(void, endpwent, int dummy) { | |
1555 | void *ctx; | |
1556 | COMMON_INTERCEPTOR_ENTER(ctx, endpwent, dummy); | |
1557 | REAL(endpwent)(dummy); | |
1558 | } | |
1559 | INTERCEPTOR(void, setgrent, int dummy) { | |
1560 | void *ctx; | |
1561 | COMMON_INTERCEPTOR_ENTER(ctx, setgrent, dummy); | |
1562 | REAL(setgrent)(dummy); | |
1563 | } | |
1564 | INTERCEPTOR(void, endgrent, int dummy) { | |
1565 | void *ctx; | |
1566 | COMMON_INTERCEPTOR_ENTER(ctx, endgrent, dummy); | |
1567 | REAL(endgrent)(dummy); | |
1568 | } | |
1569 | #define INIT_SETPWENT \ | |
1570 | COMMON_INTERCEPT_FUNCTION(setpwent); \ | |
1571 | COMMON_INTERCEPT_FUNCTION(endpwent); \ | |
1572 | COMMON_INTERCEPT_FUNCTION(setgrent); \ | |
1573 | COMMON_INTERCEPT_FUNCTION(endgrent); | |
1574 | #else | |
1575 | #define INIT_SETPWENT | |
1576 | #endif | |
1577 | ||
1578 | #if SANITIZER_INTERCEPT_CLOCK_GETTIME | |
1579 | INTERCEPTOR(int, clock_getres, u32 clk_id, void *tp) { | |
1580 | void *ctx; | |
1581 | COMMON_INTERCEPTOR_ENTER(ctx, clock_getres, clk_id, tp); | |
92a42be0 SL |
1582 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1583 | // its metadata. See | |
1584 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1585 | int res = REAL(clock_getres)(clk_id, tp); |
1586 | if (!res && tp) { | |
1587 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tp, struct_timespec_sz); | |
1588 | } | |
1589 | return res; | |
1590 | } | |
1591 | INTERCEPTOR(int, clock_gettime, u32 clk_id, void *tp) { | |
1592 | void *ctx; | |
1593 | COMMON_INTERCEPTOR_ENTER(ctx, clock_gettime, clk_id, tp); | |
92a42be0 SL |
1594 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1595 | // its metadata. See | |
1596 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1597 | int res = REAL(clock_gettime)(clk_id, tp); |
1598 | if (!res) { | |
1599 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tp, struct_timespec_sz); | |
1600 | } | |
1601 | return res; | |
1602 | } | |
1603 | INTERCEPTOR(int, clock_settime, u32 clk_id, const void *tp) { | |
1604 | void *ctx; | |
1605 | COMMON_INTERCEPTOR_ENTER(ctx, clock_settime, clk_id, tp); | |
1606 | COMMON_INTERCEPTOR_READ_RANGE(ctx, tp, struct_timespec_sz); | |
1607 | return REAL(clock_settime)(clk_id, tp); | |
1608 | } | |
1609 | #define INIT_CLOCK_GETTIME \ | |
1610 | COMMON_INTERCEPT_FUNCTION(clock_getres); \ | |
1611 | COMMON_INTERCEPT_FUNCTION(clock_gettime); \ | |
1612 | COMMON_INTERCEPT_FUNCTION(clock_settime); | |
1613 | #else | |
1614 | #define INIT_CLOCK_GETTIME | |
1615 | #endif | |
1616 | ||
1617 | #if SANITIZER_INTERCEPT_GETITIMER | |
1618 | INTERCEPTOR(int, getitimer, int which, void *curr_value) { | |
1619 | void *ctx; | |
1620 | COMMON_INTERCEPTOR_ENTER(ctx, getitimer, which, curr_value); | |
92a42be0 SL |
1621 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1622 | // its metadata. See | |
1623 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1624 | int res = REAL(getitimer)(which, curr_value); |
1625 | if (!res && curr_value) { | |
1626 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, curr_value, struct_itimerval_sz); | |
1627 | } | |
1628 | return res; | |
1629 | } | |
1630 | INTERCEPTOR(int, setitimer, int which, const void *new_value, void *old_value) { | |
1631 | void *ctx; | |
1632 | COMMON_INTERCEPTOR_ENTER(ctx, setitimer, which, new_value, old_value); | |
1633 | if (new_value) | |
1634 | COMMON_INTERCEPTOR_READ_RANGE(ctx, new_value, struct_itimerval_sz); | |
92a42be0 SL |
1635 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1636 | // its metadata. See | |
1637 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1638 | int res = REAL(setitimer)(which, new_value, old_value); |
1639 | if (!res && old_value) { | |
1640 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, old_value, struct_itimerval_sz); | |
1641 | } | |
1642 | return res; | |
1643 | } | |
1644 | #define INIT_GETITIMER \ | |
1645 | COMMON_INTERCEPT_FUNCTION(getitimer); \ | |
1646 | COMMON_INTERCEPT_FUNCTION(setitimer); | |
1647 | #else | |
1648 | #define INIT_GETITIMER | |
1649 | #endif | |
1650 | ||
1651 | #if SANITIZER_INTERCEPT_GLOB | |
1652 | static void unpoison_glob_t(void *ctx, __sanitizer_glob_t *pglob) { | |
1653 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pglob, sizeof(*pglob)); | |
1654 | // +1 for NULL pointer at the end. | |
1655 | if (pglob->gl_pathv) | |
1656 | COMMON_INTERCEPTOR_WRITE_RANGE( | |
1657 | ctx, pglob->gl_pathv, (pglob->gl_pathc + 1) * sizeof(*pglob->gl_pathv)); | |
1658 | for (SIZE_T i = 0; i < pglob->gl_pathc; ++i) { | |
1659 | char *p = pglob->gl_pathv[i]; | |
1660 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, REAL(strlen)(p) + 1); | |
1661 | } | |
1662 | } | |
1663 | ||
1664 | static THREADLOCAL __sanitizer_glob_t *pglob_copy; | |
1665 | ||
1666 | static void wrapped_gl_closedir(void *dir) { | |
1667 | COMMON_INTERCEPTOR_UNPOISON_PARAM(1); | |
92a42be0 | 1668 | pglob_copy->gl_closedir(dir); |
1a4d82fc JJ |
1669 | } |
1670 | ||
1671 | static void *wrapped_gl_readdir(void *dir) { | |
1672 | COMMON_INTERCEPTOR_UNPOISON_PARAM(1); | |
92a42be0 | 1673 | return pglob_copy->gl_readdir(dir); |
1a4d82fc JJ |
1674 | } |
1675 | ||
1676 | static void *wrapped_gl_opendir(const char *s) { | |
1677 | COMMON_INTERCEPTOR_UNPOISON_PARAM(1); | |
1678 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(s, REAL(strlen)(s) + 1); | |
92a42be0 | 1679 | return pglob_copy->gl_opendir(s); |
1a4d82fc JJ |
1680 | } |
1681 | ||
1682 | static int wrapped_gl_lstat(const char *s, void *st) { | |
1683 | COMMON_INTERCEPTOR_UNPOISON_PARAM(2); | |
1684 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(s, REAL(strlen)(s) + 1); | |
92a42be0 | 1685 | return pglob_copy->gl_lstat(s, st); |
1a4d82fc JJ |
1686 | } |
1687 | ||
1688 | static int wrapped_gl_stat(const char *s, void *st) { | |
1689 | COMMON_INTERCEPTOR_UNPOISON_PARAM(2); | |
1690 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(s, REAL(strlen)(s) + 1); | |
92a42be0 | 1691 | return pglob_copy->gl_stat(s, st); |
1a4d82fc JJ |
1692 | } |
1693 | ||
1694 | INTERCEPTOR(int, glob, const char *pattern, int flags, | |
1695 | int (*errfunc)(const char *epath, int eerrno), | |
1696 | __sanitizer_glob_t *pglob) { | |
1697 | void *ctx; | |
1698 | COMMON_INTERCEPTOR_ENTER(ctx, glob, pattern, flags, errfunc, pglob); | |
92a42be0 | 1699 | COMMON_INTERCEPTOR_READ_STRING(ctx, pattern, 0); |
1a4d82fc JJ |
1700 | __sanitizer_glob_t glob_copy = { |
1701 | 0, 0, 0, | |
1702 | 0, wrapped_gl_closedir, wrapped_gl_readdir, | |
1703 | wrapped_gl_opendir, wrapped_gl_lstat, wrapped_gl_stat}; | |
1704 | if (flags & glob_altdirfunc) { | |
1705 | Swap(pglob->gl_closedir, glob_copy.gl_closedir); | |
1706 | Swap(pglob->gl_readdir, glob_copy.gl_readdir); | |
1707 | Swap(pglob->gl_opendir, glob_copy.gl_opendir); | |
1708 | Swap(pglob->gl_lstat, glob_copy.gl_lstat); | |
1709 | Swap(pglob->gl_stat, glob_copy.gl_stat); | |
1710 | pglob_copy = &glob_copy; | |
1711 | } | |
1712 | int res = REAL(glob)(pattern, flags, errfunc, pglob); | |
1713 | if (flags & glob_altdirfunc) { | |
1714 | Swap(pglob->gl_closedir, glob_copy.gl_closedir); | |
1715 | Swap(pglob->gl_readdir, glob_copy.gl_readdir); | |
1716 | Swap(pglob->gl_opendir, glob_copy.gl_opendir); | |
1717 | Swap(pglob->gl_lstat, glob_copy.gl_lstat); | |
1718 | Swap(pglob->gl_stat, glob_copy.gl_stat); | |
1719 | } | |
1720 | pglob_copy = 0; | |
1721 | if ((!res || res == glob_nomatch) && pglob) unpoison_glob_t(ctx, pglob); | |
1722 | return res; | |
1723 | } | |
1724 | ||
1725 | INTERCEPTOR(int, glob64, const char *pattern, int flags, | |
1726 | int (*errfunc)(const char *epath, int eerrno), | |
1727 | __sanitizer_glob_t *pglob) { | |
1728 | void *ctx; | |
1729 | COMMON_INTERCEPTOR_ENTER(ctx, glob64, pattern, flags, errfunc, pglob); | |
92a42be0 | 1730 | COMMON_INTERCEPTOR_READ_STRING(ctx, pattern, 0); |
1a4d82fc JJ |
1731 | __sanitizer_glob_t glob_copy = { |
1732 | 0, 0, 0, | |
1733 | 0, wrapped_gl_closedir, wrapped_gl_readdir, | |
1734 | wrapped_gl_opendir, wrapped_gl_lstat, wrapped_gl_stat}; | |
1735 | if (flags & glob_altdirfunc) { | |
1736 | Swap(pglob->gl_closedir, glob_copy.gl_closedir); | |
1737 | Swap(pglob->gl_readdir, glob_copy.gl_readdir); | |
1738 | Swap(pglob->gl_opendir, glob_copy.gl_opendir); | |
1739 | Swap(pglob->gl_lstat, glob_copy.gl_lstat); | |
1740 | Swap(pglob->gl_stat, glob_copy.gl_stat); | |
1741 | pglob_copy = &glob_copy; | |
1742 | } | |
1743 | int res = REAL(glob64)(pattern, flags, errfunc, pglob); | |
1744 | if (flags & glob_altdirfunc) { | |
1745 | Swap(pglob->gl_closedir, glob_copy.gl_closedir); | |
1746 | Swap(pglob->gl_readdir, glob_copy.gl_readdir); | |
1747 | Swap(pglob->gl_opendir, glob_copy.gl_opendir); | |
1748 | Swap(pglob->gl_lstat, glob_copy.gl_lstat); | |
1749 | Swap(pglob->gl_stat, glob_copy.gl_stat); | |
1750 | } | |
1751 | pglob_copy = 0; | |
1752 | if ((!res || res == glob_nomatch) && pglob) unpoison_glob_t(ctx, pglob); | |
1753 | return res; | |
1754 | } | |
1755 | #define INIT_GLOB \ | |
1756 | COMMON_INTERCEPT_FUNCTION(glob); \ | |
1757 | COMMON_INTERCEPT_FUNCTION(glob64); | |
1758 | #else // SANITIZER_INTERCEPT_GLOB | |
1759 | #define INIT_GLOB | |
1760 | #endif // SANITIZER_INTERCEPT_GLOB | |
1761 | ||
1762 | #if SANITIZER_INTERCEPT_WAIT | |
1763 | // According to sys/wait.h, wait(), waitid(), waitpid() may have symbol version | |
1764 | // suffixes on Darwin. See the declaration of INTERCEPTOR_WITH_SUFFIX for | |
1765 | // details. | |
1766 | INTERCEPTOR_WITH_SUFFIX(int, wait, int *status) { | |
1767 | void *ctx; | |
1768 | COMMON_INTERCEPTOR_ENTER(ctx, wait, status); | |
92a42be0 SL |
1769 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1770 | // its metadata. See | |
1771 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1772 | int res = REAL(wait)(status); |
1773 | if (res != -1 && status) | |
1774 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status)); | |
1775 | return res; | |
1776 | } | |
92a42be0 SL |
1777 | // On FreeBSD id_t is always 64-bit wide. |
1778 | #if SANITIZER_FREEBSD && (SANITIZER_WORDSIZE == 32) | |
1779 | INTERCEPTOR_WITH_SUFFIX(int, waitid, int idtype, long long id, void *infop, | |
1780 | int options) { | |
1781 | #else | |
1a4d82fc JJ |
1782 | INTERCEPTOR_WITH_SUFFIX(int, waitid, int idtype, int id, void *infop, |
1783 | int options) { | |
92a42be0 | 1784 | #endif |
1a4d82fc JJ |
1785 | void *ctx; |
1786 | COMMON_INTERCEPTOR_ENTER(ctx, waitid, idtype, id, infop, options); | |
92a42be0 SL |
1787 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1788 | // its metadata. See | |
1789 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1790 | int res = REAL(waitid)(idtype, id, infop, options); |
1791 | if (res != -1 && infop) | |
1792 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, infop, siginfo_t_sz); | |
1793 | return res; | |
1794 | } | |
1795 | INTERCEPTOR_WITH_SUFFIX(int, waitpid, int pid, int *status, int options) { | |
1796 | void *ctx; | |
1797 | COMMON_INTERCEPTOR_ENTER(ctx, waitpid, pid, status, options); | |
92a42be0 SL |
1798 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1799 | // its metadata. See | |
1800 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1801 | int res = REAL(waitpid)(pid, status, options); |
1802 | if (res != -1 && status) | |
1803 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status)); | |
1804 | return res; | |
1805 | } | |
1806 | INTERCEPTOR(int, wait3, int *status, int options, void *rusage) { | |
1807 | void *ctx; | |
1808 | COMMON_INTERCEPTOR_ENTER(ctx, wait3, status, options, rusage); | |
92a42be0 SL |
1809 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1810 | // its metadata. See | |
1811 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1812 | int res = REAL(wait3)(status, options, rusage); |
1813 | if (res != -1) { | |
1814 | if (status) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status)); | |
1815 | if (rusage) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rusage, struct_rusage_sz); | |
1816 | } | |
1817 | return res; | |
1818 | } | |
1819 | #if SANITIZER_ANDROID | |
1820 | INTERCEPTOR(int, __wait4, int pid, int *status, int options, void *rusage) { | |
1821 | void *ctx; | |
1822 | COMMON_INTERCEPTOR_ENTER(ctx, __wait4, pid, status, options, rusage); | |
92a42be0 SL |
1823 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1824 | // its metadata. See | |
1825 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1826 | int res = REAL(__wait4)(pid, status, options, rusage); |
1827 | if (res != -1) { | |
1828 | if (status) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status)); | |
1829 | if (rusage) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rusage, struct_rusage_sz); | |
1830 | } | |
1831 | return res; | |
1832 | } | |
1833 | #define INIT_WAIT4 COMMON_INTERCEPT_FUNCTION(__wait4); | |
1834 | #else | |
1835 | INTERCEPTOR(int, wait4, int pid, int *status, int options, void *rusage) { | |
1836 | void *ctx; | |
1837 | COMMON_INTERCEPTOR_ENTER(ctx, wait4, pid, status, options, rusage); | |
92a42be0 SL |
1838 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1839 | // its metadata. See | |
1840 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1841 | int res = REAL(wait4)(pid, status, options, rusage); |
1842 | if (res != -1) { | |
1843 | if (status) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status)); | |
1844 | if (rusage) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rusage, struct_rusage_sz); | |
1845 | } | |
1846 | return res; | |
1847 | } | |
1848 | #define INIT_WAIT4 COMMON_INTERCEPT_FUNCTION(wait4); | |
1849 | #endif // SANITIZER_ANDROID | |
1850 | #define INIT_WAIT \ | |
1851 | COMMON_INTERCEPT_FUNCTION(wait); \ | |
1852 | COMMON_INTERCEPT_FUNCTION(waitid); \ | |
1853 | COMMON_INTERCEPT_FUNCTION(waitpid); \ | |
1854 | COMMON_INTERCEPT_FUNCTION(wait3); | |
1855 | #else | |
1856 | #define INIT_WAIT | |
1857 | #define INIT_WAIT4 | |
1858 | #endif | |
1859 | ||
1860 | #if SANITIZER_INTERCEPT_INET | |
1861 | INTERCEPTOR(char *, inet_ntop, int af, const void *src, char *dst, u32 size) { | |
1862 | void *ctx; | |
1863 | COMMON_INTERCEPTOR_ENTER(ctx, inet_ntop, af, src, dst, size); | |
1864 | uptr sz = __sanitizer_in_addr_sz(af); | |
1865 | if (sz) COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sz); | |
1866 | // FIXME: figure out read size based on the address family. | |
92a42be0 SL |
1867 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1868 | // its metadata. See | |
1869 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1870 | char *res = REAL(inet_ntop)(af, src, dst, size); |
1871 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
1872 | return res; | |
1873 | } | |
1874 | INTERCEPTOR(int, inet_pton, int af, const char *src, void *dst) { | |
1875 | void *ctx; | |
1876 | COMMON_INTERCEPTOR_ENTER(ctx, inet_pton, af, src, dst); | |
92a42be0 | 1877 | COMMON_INTERCEPTOR_READ_STRING(ctx, src, 0); |
1a4d82fc | 1878 | // FIXME: figure out read size based on the address family. |
92a42be0 SL |
1879 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1880 | // its metadata. See | |
1881 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1882 | int res = REAL(inet_pton)(af, src, dst); |
1883 | if (res == 1) { | |
1884 | uptr sz = __sanitizer_in_addr_sz(af); | |
1885 | if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sz); | |
1886 | } | |
1887 | return res; | |
1888 | } | |
1889 | #define INIT_INET \ | |
1890 | COMMON_INTERCEPT_FUNCTION(inet_ntop); \ | |
1891 | COMMON_INTERCEPT_FUNCTION(inet_pton); | |
1892 | #else | |
1893 | #define INIT_INET | |
1894 | #endif | |
1895 | ||
1896 | #if SANITIZER_INTERCEPT_INET | |
1897 | INTERCEPTOR(int, inet_aton, const char *cp, void *dst) { | |
1898 | void *ctx; | |
1899 | COMMON_INTERCEPTOR_ENTER(ctx, inet_aton, cp, dst); | |
1900 | if (cp) COMMON_INTERCEPTOR_READ_RANGE(ctx, cp, REAL(strlen)(cp) + 1); | |
92a42be0 SL |
1901 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1902 | // its metadata. See | |
1903 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1904 | int res = REAL(inet_aton)(cp, dst); |
1905 | if (res != 0) { | |
1906 | uptr sz = __sanitizer_in_addr_sz(af_inet); | |
1907 | if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sz); | |
1908 | } | |
1909 | return res; | |
1910 | } | |
1911 | #define INIT_INET_ATON COMMON_INTERCEPT_FUNCTION(inet_aton); | |
1912 | #else | |
1913 | #define INIT_INET_ATON | |
1914 | #endif | |
1915 | ||
1916 | #if SANITIZER_INTERCEPT_PTHREAD_GETSCHEDPARAM | |
1917 | INTERCEPTOR(int, pthread_getschedparam, uptr thread, int *policy, int *param) { | |
1918 | void *ctx; | |
1919 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_getschedparam, thread, policy, param); | |
92a42be0 SL |
1920 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1921 | // its metadata. See | |
1922 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1923 | int res = REAL(pthread_getschedparam)(thread, policy, param); |
1924 | if (res == 0) { | |
1925 | if (policy) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, policy, sizeof(*policy)); | |
1926 | if (param) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, param, sizeof(*param)); | |
1927 | } | |
1928 | return res; | |
1929 | } | |
1930 | #define INIT_PTHREAD_GETSCHEDPARAM \ | |
1931 | COMMON_INTERCEPT_FUNCTION(pthread_getschedparam); | |
1932 | #else | |
1933 | #define INIT_PTHREAD_GETSCHEDPARAM | |
1934 | #endif | |
1935 | ||
1936 | #if SANITIZER_INTERCEPT_GETADDRINFO | |
1937 | INTERCEPTOR(int, getaddrinfo, char *node, char *service, | |
1938 | struct __sanitizer_addrinfo *hints, | |
1939 | struct __sanitizer_addrinfo **out) { | |
1940 | void *ctx; | |
1941 | COMMON_INTERCEPTOR_ENTER(ctx, getaddrinfo, node, service, hints, out); | |
1942 | if (node) COMMON_INTERCEPTOR_READ_RANGE(ctx, node, REAL(strlen)(node) + 1); | |
1943 | if (service) | |
1944 | COMMON_INTERCEPTOR_READ_RANGE(ctx, service, REAL(strlen)(service) + 1); | |
1945 | if (hints) | |
1946 | COMMON_INTERCEPTOR_READ_RANGE(ctx, hints, sizeof(__sanitizer_addrinfo)); | |
92a42be0 SL |
1947 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1948 | // its metadata. See | |
1949 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1950 | int res = REAL(getaddrinfo)(node, service, hints, out); |
1951 | if (res == 0 && out) { | |
1952 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, out, sizeof(*out)); | |
1953 | struct __sanitizer_addrinfo *p = *out; | |
1954 | while (p) { | |
1955 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p)); | |
1956 | if (p->ai_addr) | |
1957 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ai_addr, p->ai_addrlen); | |
1958 | if (p->ai_canonname) | |
1959 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ai_canonname, | |
1960 | REAL(strlen)(p->ai_canonname) + 1); | |
1961 | p = p->ai_next; | |
1962 | } | |
1963 | } | |
1964 | return res; | |
1965 | } | |
1966 | #define INIT_GETADDRINFO COMMON_INTERCEPT_FUNCTION(getaddrinfo); | |
1967 | #else | |
1968 | #define INIT_GETADDRINFO | |
1969 | #endif | |
1970 | ||
1971 | #if SANITIZER_INTERCEPT_GETNAMEINFO | |
1972 | INTERCEPTOR(int, getnameinfo, void *sockaddr, unsigned salen, char *host, | |
1973 | unsigned hostlen, char *serv, unsigned servlen, int flags) { | |
1974 | void *ctx; | |
1975 | COMMON_INTERCEPTOR_ENTER(ctx, getnameinfo, sockaddr, salen, host, hostlen, | |
1976 | serv, servlen, flags); | |
1977 | // FIXME: consider adding READ_RANGE(sockaddr, salen) | |
1978 | // There is padding in in_addr that may make this too noisy | |
92a42be0 SL |
1979 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1980 | // its metadata. See | |
1981 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
1982 | int res = |
1983 | REAL(getnameinfo)(sockaddr, salen, host, hostlen, serv, servlen, flags); | |
1984 | if (res == 0) { | |
1985 | if (host && hostlen) | |
1986 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, host, REAL(strlen)(host) + 1); | |
1987 | if (serv && servlen) | |
1988 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, serv, REAL(strlen)(serv) + 1); | |
1989 | } | |
1990 | return res; | |
1991 | } | |
1992 | #define INIT_GETNAMEINFO COMMON_INTERCEPT_FUNCTION(getnameinfo); | |
1993 | #else | |
1994 | #define INIT_GETNAMEINFO | |
1995 | #endif | |
1996 | ||
1997 | #if SANITIZER_INTERCEPT_GETSOCKNAME | |
1998 | INTERCEPTOR(int, getsockname, int sock_fd, void *addr, int *addrlen) { | |
1999 | void *ctx; | |
2000 | COMMON_INTERCEPTOR_ENTER(ctx, getsockname, sock_fd, addr, addrlen); | |
2001 | COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen)); | |
2002 | int addrlen_in = *addrlen; | |
92a42be0 SL |
2003 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2004 | // its metadata. See | |
2005 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2006 | int res = REAL(getsockname)(sock_fd, addr, addrlen); |
2007 | if (res == 0) { | |
2008 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(addrlen_in, *addrlen)); | |
2009 | } | |
2010 | return res; | |
2011 | } | |
2012 | #define INIT_GETSOCKNAME COMMON_INTERCEPT_FUNCTION(getsockname); | |
2013 | #else | |
2014 | #define INIT_GETSOCKNAME | |
2015 | #endif | |
2016 | ||
2017 | #if SANITIZER_INTERCEPT_GETHOSTBYNAME || SANITIZER_INTERCEPT_GETHOSTBYNAME_R | |
2018 | static void write_hostent(void *ctx, struct __sanitizer_hostent *h) { | |
2019 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h, sizeof(__sanitizer_hostent)); | |
2020 | if (h->h_name) | |
2021 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h->h_name, REAL(strlen)(h->h_name) + 1); | |
2022 | char **p = h->h_aliases; | |
2023 | while (*p) { | |
2024 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, REAL(strlen)(*p) + 1); | |
2025 | ++p; | |
2026 | } | |
2027 | COMMON_INTERCEPTOR_WRITE_RANGE( | |
2028 | ctx, h->h_aliases, (p - h->h_aliases + 1) * sizeof(*h->h_aliases)); | |
2029 | p = h->h_addr_list; | |
2030 | while (*p) { | |
2031 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, h->h_length); | |
2032 | ++p; | |
2033 | } | |
2034 | COMMON_INTERCEPTOR_WRITE_RANGE( | |
2035 | ctx, h->h_addr_list, (p - h->h_addr_list + 1) * sizeof(*h->h_addr_list)); | |
2036 | } | |
2037 | #endif | |
2038 | ||
2039 | #if SANITIZER_INTERCEPT_GETHOSTBYNAME | |
2040 | INTERCEPTOR(struct __sanitizer_hostent *, gethostbyname, char *name) { | |
2041 | void *ctx; | |
2042 | COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname, name); | |
2043 | struct __sanitizer_hostent *res = REAL(gethostbyname)(name); | |
2044 | if (res) write_hostent(ctx, res); | |
2045 | return res; | |
2046 | } | |
2047 | ||
2048 | INTERCEPTOR(struct __sanitizer_hostent *, gethostbyaddr, void *addr, int len, | |
2049 | int type) { | |
2050 | void *ctx; | |
2051 | COMMON_INTERCEPTOR_ENTER(ctx, gethostbyaddr, addr, len, type); | |
2052 | COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, len); | |
2053 | struct __sanitizer_hostent *res = REAL(gethostbyaddr)(addr, len, type); | |
2054 | if (res) write_hostent(ctx, res); | |
2055 | return res; | |
2056 | } | |
2057 | ||
2058 | INTERCEPTOR(struct __sanitizer_hostent *, gethostent, int fake) { | |
2059 | void *ctx; | |
2060 | COMMON_INTERCEPTOR_ENTER(ctx, gethostent, fake); | |
2061 | struct __sanitizer_hostent *res = REAL(gethostent)(fake); | |
2062 | if (res) write_hostent(ctx, res); | |
2063 | return res; | |
2064 | } | |
2065 | ||
2066 | INTERCEPTOR(struct __sanitizer_hostent *, gethostbyname2, char *name, int af) { | |
2067 | void *ctx; | |
2068 | COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname2, name, af); | |
2069 | struct __sanitizer_hostent *res = REAL(gethostbyname2)(name, af); | |
2070 | if (res) write_hostent(ctx, res); | |
2071 | return res; | |
2072 | } | |
2073 | #define INIT_GETHOSTBYNAME \ | |
2074 | COMMON_INTERCEPT_FUNCTION(gethostent); \ | |
2075 | COMMON_INTERCEPT_FUNCTION(gethostbyaddr); \ | |
2076 | COMMON_INTERCEPT_FUNCTION(gethostbyname); \ | |
2077 | COMMON_INTERCEPT_FUNCTION(gethostbyname2); | |
2078 | #else | |
2079 | #define INIT_GETHOSTBYNAME | |
2080 | #endif | |
2081 | ||
2082 | #if SANITIZER_INTERCEPT_GETHOSTBYNAME_R | |
92a42be0 SL |
2083 | INTERCEPTOR(int, gethostbyname_r, char *name, struct __sanitizer_hostent *ret, |
2084 | char *buf, SIZE_T buflen, __sanitizer_hostent **result, | |
2085 | int *h_errnop) { | |
2086 | void *ctx; | |
2087 | COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname_r, name, ret, buf, buflen, result, | |
2088 | h_errnop); | |
2089 | // FIXME: under ASan the call below may write to freed memory and corrupt | |
2090 | // its metadata. See | |
2091 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
2092 | int res = REAL(gethostbyname_r)(name, ret, buf, buflen, result, h_errnop); | |
2093 | if (result) { | |
2094 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
2095 | if (res == 0 && *result) write_hostent(ctx, *result); | |
2096 | } | |
2097 | if (h_errnop) | |
2098 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop)); | |
2099 | return res; | |
2100 | } | |
2101 | #define INIT_GETHOSTBYNAME_R COMMON_INTERCEPT_FUNCTION(gethostbyname_r); | |
2102 | #else | |
2103 | #define INIT_GETHOSTBYNAME_R | |
2104 | #endif | |
2105 | ||
2106 | #if SANITIZER_INTERCEPT_GETHOSTENT_R | |
1a4d82fc JJ |
2107 | INTERCEPTOR(int, gethostent_r, struct __sanitizer_hostent *ret, char *buf, |
2108 | SIZE_T buflen, __sanitizer_hostent **result, int *h_errnop) { | |
2109 | void *ctx; | |
2110 | COMMON_INTERCEPTOR_ENTER(ctx, gethostent_r, ret, buf, buflen, result, | |
2111 | h_errnop); | |
92a42be0 SL |
2112 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2113 | // its metadata. See | |
2114 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2115 | int res = REAL(gethostent_r)(ret, buf, buflen, result, h_errnop); |
2116 | if (result) { | |
2117 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
2118 | if (res == 0 && *result) write_hostent(ctx, *result); | |
2119 | } | |
2120 | if (h_errnop) | |
2121 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop)); | |
2122 | return res; | |
2123 | } | |
92a42be0 SL |
2124 | #define INIT_GETHOSTENT_R \ |
2125 | COMMON_INTERCEPT_FUNCTION(gethostent_r); | |
2126 | #else | |
2127 | #define INIT_GETHOSTENT_R | |
2128 | #endif | |
1a4d82fc | 2129 | |
92a42be0 | 2130 | #if SANITIZER_INTERCEPT_GETHOSTBYADDR_R |
1a4d82fc JJ |
2131 | INTERCEPTOR(int, gethostbyaddr_r, void *addr, int len, int type, |
2132 | struct __sanitizer_hostent *ret, char *buf, SIZE_T buflen, | |
2133 | __sanitizer_hostent **result, int *h_errnop) { | |
2134 | void *ctx; | |
2135 | COMMON_INTERCEPTOR_ENTER(ctx, gethostbyaddr_r, addr, len, type, ret, buf, | |
2136 | buflen, result, h_errnop); | |
2137 | COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, len); | |
92a42be0 SL |
2138 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2139 | // its metadata. See | |
2140 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2141 | int res = REAL(gethostbyaddr_r)(addr, len, type, ret, buf, buflen, result, |
2142 | h_errnop); | |
2143 | if (result) { | |
2144 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
2145 | if (res == 0 && *result) write_hostent(ctx, *result); | |
2146 | } | |
2147 | if (h_errnop) | |
2148 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop)); | |
2149 | return res; | |
2150 | } | |
92a42be0 SL |
2151 | #define INIT_GETHOSTBYADDR_R \ |
2152 | COMMON_INTERCEPT_FUNCTION(gethostbyaddr_r); | |
2153 | #else | |
2154 | #define INIT_GETHOSTBYADDR_R | |
2155 | #endif | |
1a4d82fc | 2156 | |
92a42be0 | 2157 | #if SANITIZER_INTERCEPT_GETHOSTBYNAME2_R |
1a4d82fc JJ |
2158 | INTERCEPTOR(int, gethostbyname2_r, char *name, int af, |
2159 | struct __sanitizer_hostent *ret, char *buf, SIZE_T buflen, | |
2160 | __sanitizer_hostent **result, int *h_errnop) { | |
2161 | void *ctx; | |
2162 | COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname2_r, name, af, ret, buf, buflen, | |
2163 | result, h_errnop); | |
92a42be0 SL |
2164 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2165 | // its metadata. See | |
2166 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2167 | int res = |
2168 | REAL(gethostbyname2_r)(name, af, ret, buf, buflen, result, h_errnop); | |
2169 | if (result) { | |
2170 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
2171 | if (res == 0 && *result) write_hostent(ctx, *result); | |
2172 | } | |
2173 | if (h_errnop) | |
2174 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop)); | |
2175 | return res; | |
2176 | } | |
92a42be0 | 2177 | #define INIT_GETHOSTBYNAME2_R \ |
1a4d82fc JJ |
2178 | COMMON_INTERCEPT_FUNCTION(gethostbyname2_r); |
2179 | #else | |
92a42be0 | 2180 | #define INIT_GETHOSTBYNAME2_R |
1a4d82fc JJ |
2181 | #endif |
2182 | ||
2183 | #if SANITIZER_INTERCEPT_GETSOCKOPT | |
2184 | INTERCEPTOR(int, getsockopt, int sockfd, int level, int optname, void *optval, | |
2185 | int *optlen) { | |
2186 | void *ctx; | |
2187 | COMMON_INTERCEPTOR_ENTER(ctx, getsockopt, sockfd, level, optname, optval, | |
2188 | optlen); | |
2189 | if (optlen) COMMON_INTERCEPTOR_READ_RANGE(ctx, optlen, sizeof(*optlen)); | |
92a42be0 SL |
2190 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2191 | // its metadata. See | |
2192 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2193 | int res = REAL(getsockopt)(sockfd, level, optname, optval, optlen); |
2194 | if (res == 0) | |
2195 | if (optval && optlen) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, optval, *optlen); | |
2196 | return res; | |
2197 | } | |
2198 | #define INIT_GETSOCKOPT COMMON_INTERCEPT_FUNCTION(getsockopt); | |
2199 | #else | |
2200 | #define INIT_GETSOCKOPT | |
2201 | #endif | |
2202 | ||
2203 | #if SANITIZER_INTERCEPT_ACCEPT | |
2204 | INTERCEPTOR(int, accept, int fd, void *addr, unsigned *addrlen) { | |
2205 | void *ctx; | |
2206 | COMMON_INTERCEPTOR_ENTER(ctx, accept, fd, addr, addrlen); | |
92a42be0 | 2207 | unsigned addrlen0 = 0; |
1a4d82fc JJ |
2208 | if (addrlen) { |
2209 | COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen)); | |
2210 | addrlen0 = *addrlen; | |
2211 | } | |
2212 | int fd2 = REAL(accept)(fd, addr, addrlen); | |
2213 | if (fd2 >= 0) { | |
2214 | if (fd >= 0) COMMON_INTERCEPTOR_FD_SOCKET_ACCEPT(ctx, fd, fd2); | |
2215 | if (addr && addrlen) | |
2216 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(*addrlen, addrlen0)); | |
2217 | } | |
2218 | return fd2; | |
2219 | } | |
2220 | #define INIT_ACCEPT COMMON_INTERCEPT_FUNCTION(accept); | |
2221 | #else | |
2222 | #define INIT_ACCEPT | |
2223 | #endif | |
2224 | ||
2225 | #if SANITIZER_INTERCEPT_ACCEPT4 | |
2226 | INTERCEPTOR(int, accept4, int fd, void *addr, unsigned *addrlen, int f) { | |
2227 | void *ctx; | |
2228 | COMMON_INTERCEPTOR_ENTER(ctx, accept4, fd, addr, addrlen, f); | |
92a42be0 | 2229 | unsigned addrlen0 = 0; |
1a4d82fc JJ |
2230 | if (addrlen) { |
2231 | COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen)); | |
2232 | addrlen0 = *addrlen; | |
2233 | } | |
92a42be0 SL |
2234 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2235 | // its metadata. See | |
2236 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2237 | int fd2 = REAL(accept4)(fd, addr, addrlen, f); |
2238 | if (fd2 >= 0) { | |
2239 | if (fd >= 0) COMMON_INTERCEPTOR_FD_SOCKET_ACCEPT(ctx, fd, fd2); | |
2240 | if (addr && addrlen) | |
2241 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(*addrlen, addrlen0)); | |
2242 | } | |
2243 | return fd2; | |
2244 | } | |
2245 | #define INIT_ACCEPT4 COMMON_INTERCEPT_FUNCTION(accept4); | |
2246 | #else | |
2247 | #define INIT_ACCEPT4 | |
2248 | #endif | |
2249 | ||
2250 | #if SANITIZER_INTERCEPT_MODF | |
2251 | INTERCEPTOR(double, modf, double x, double *iptr) { | |
2252 | void *ctx; | |
2253 | COMMON_INTERCEPTOR_ENTER(ctx, modf, x, iptr); | |
92a42be0 SL |
2254 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2255 | // its metadata. See | |
2256 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2257 | double res = REAL(modf)(x, iptr); |
2258 | if (iptr) { | |
2259 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iptr, sizeof(*iptr)); | |
2260 | } | |
2261 | return res; | |
2262 | } | |
2263 | INTERCEPTOR(float, modff, float x, float *iptr) { | |
2264 | void *ctx; | |
2265 | COMMON_INTERCEPTOR_ENTER(ctx, modff, x, iptr); | |
92a42be0 SL |
2266 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2267 | // its metadata. See | |
2268 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2269 | float res = REAL(modff)(x, iptr); |
2270 | if (iptr) { | |
2271 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iptr, sizeof(*iptr)); | |
2272 | } | |
2273 | return res; | |
2274 | } | |
2275 | INTERCEPTOR(long double, modfl, long double x, long double *iptr) { | |
2276 | void *ctx; | |
2277 | COMMON_INTERCEPTOR_ENTER(ctx, modfl, x, iptr); | |
92a42be0 SL |
2278 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2279 | // its metadata. See | |
2280 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2281 | long double res = REAL(modfl)(x, iptr); |
2282 | if (iptr) { | |
2283 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iptr, sizeof(*iptr)); | |
2284 | } | |
2285 | return res; | |
2286 | } | |
2287 | #define INIT_MODF \ | |
2288 | COMMON_INTERCEPT_FUNCTION(modf); \ | |
2289 | COMMON_INTERCEPT_FUNCTION(modff); \ | |
2290 | COMMON_INTERCEPT_FUNCTION(modfl); | |
2291 | #else | |
2292 | #define INIT_MODF | |
2293 | #endif | |
2294 | ||
2295 | #if SANITIZER_INTERCEPT_RECVMSG | |
2296 | static void write_msghdr(void *ctx, struct __sanitizer_msghdr *msg, | |
2297 | SSIZE_T maxlen) { | |
2298 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg, sizeof(*msg)); | |
2299 | if (msg->msg_name && msg->msg_namelen) | |
2300 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg->msg_name, msg->msg_namelen); | |
2301 | if (msg->msg_iov && msg->msg_iovlen) | |
2302 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg->msg_iov, | |
2303 | sizeof(*msg->msg_iov) * msg->msg_iovlen); | |
2304 | write_iovec(ctx, msg->msg_iov, msg->msg_iovlen, maxlen); | |
2305 | if (msg->msg_control && msg->msg_controllen) | |
2306 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg->msg_control, msg->msg_controllen); | |
2307 | } | |
2308 | ||
2309 | INTERCEPTOR(SSIZE_T, recvmsg, int fd, struct __sanitizer_msghdr *msg, | |
2310 | int flags) { | |
2311 | void *ctx; | |
2312 | COMMON_INTERCEPTOR_ENTER(ctx, recvmsg, fd, msg, flags); | |
92a42be0 SL |
2313 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2314 | // its metadata. See | |
2315 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2316 | SSIZE_T res = REAL(recvmsg)(fd, msg, flags); |
2317 | if (res >= 0) { | |
2318 | if (fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
2319 | if (msg) { | |
2320 | write_msghdr(ctx, msg, res); | |
2321 | COMMON_INTERCEPTOR_HANDLE_RECVMSG(ctx, msg); | |
2322 | } | |
2323 | } | |
2324 | return res; | |
2325 | } | |
2326 | #define INIT_RECVMSG COMMON_INTERCEPT_FUNCTION(recvmsg); | |
2327 | #else | |
2328 | #define INIT_RECVMSG | |
2329 | #endif | |
2330 | ||
2331 | #if SANITIZER_INTERCEPT_GETPEERNAME | |
2332 | INTERCEPTOR(int, getpeername, int sockfd, void *addr, unsigned *addrlen) { | |
2333 | void *ctx; | |
2334 | COMMON_INTERCEPTOR_ENTER(ctx, getpeername, sockfd, addr, addrlen); | |
2335 | unsigned addr_sz; | |
2336 | if (addrlen) addr_sz = *addrlen; | |
92a42be0 SL |
2337 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2338 | // its metadata. See | |
2339 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2340 | int res = REAL(getpeername)(sockfd, addr, addrlen); |
2341 | if (!res && addr && addrlen) | |
2342 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(addr_sz, *addrlen)); | |
2343 | return res; | |
2344 | } | |
2345 | #define INIT_GETPEERNAME COMMON_INTERCEPT_FUNCTION(getpeername); | |
2346 | #else | |
2347 | #define INIT_GETPEERNAME | |
2348 | #endif | |
2349 | ||
2350 | #if SANITIZER_INTERCEPT_SYSINFO | |
2351 | INTERCEPTOR(int, sysinfo, void *info) { | |
2352 | void *ctx; | |
92a42be0 SL |
2353 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2354 | // its metadata. See | |
2355 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2356 | COMMON_INTERCEPTOR_ENTER(ctx, sysinfo, info); |
2357 | int res = REAL(sysinfo)(info); | |
2358 | if (!res && info) | |
2359 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, info, struct_sysinfo_sz); | |
2360 | return res; | |
2361 | } | |
2362 | #define INIT_SYSINFO COMMON_INTERCEPT_FUNCTION(sysinfo); | |
2363 | #else | |
2364 | #define INIT_SYSINFO | |
2365 | #endif | |
2366 | ||
2367 | #if SANITIZER_INTERCEPT_READDIR | |
92a42be0 SL |
2368 | INTERCEPTOR(__sanitizer_dirent *, opendir, const char *path) { |
2369 | void *ctx; | |
2370 | COMMON_INTERCEPTOR_ENTER(ctx, opendir, path); | |
2371 | COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
2372 | __sanitizer_dirent *res = REAL(opendir)(path); | |
2373 | if (res) | |
2374 | COMMON_INTERCEPTOR_DIR_ACQUIRE(ctx, path); | |
2375 | return res; | |
2376 | } | |
2377 | ||
1a4d82fc JJ |
2378 | INTERCEPTOR(__sanitizer_dirent *, readdir, void *dirp) { |
2379 | void *ctx; | |
2380 | COMMON_INTERCEPTOR_ENTER(ctx, readdir, dirp); | |
92a42be0 SL |
2381 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2382 | // its metadata. See | |
2383 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2384 | __sanitizer_dirent *res = REAL(readdir)(dirp); |
2385 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, res->d_reclen); | |
2386 | return res; | |
2387 | } | |
2388 | ||
2389 | INTERCEPTOR(int, readdir_r, void *dirp, __sanitizer_dirent *entry, | |
2390 | __sanitizer_dirent **result) { | |
2391 | void *ctx; | |
2392 | COMMON_INTERCEPTOR_ENTER(ctx, readdir_r, dirp, entry, result); | |
92a42be0 SL |
2393 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2394 | // its metadata. See | |
2395 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2396 | int res = REAL(readdir_r)(dirp, entry, result); |
2397 | if (!res) { | |
2398 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
2399 | if (*result) | |
2400 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *result, (*result)->d_reclen); | |
2401 | } | |
2402 | return res; | |
2403 | } | |
2404 | ||
2405 | #define INIT_READDIR \ | |
92a42be0 | 2406 | COMMON_INTERCEPT_FUNCTION(opendir); \ |
1a4d82fc JJ |
2407 | COMMON_INTERCEPT_FUNCTION(readdir); \ |
2408 | COMMON_INTERCEPT_FUNCTION(readdir_r); | |
2409 | #else | |
2410 | #define INIT_READDIR | |
2411 | #endif | |
2412 | ||
2413 | #if SANITIZER_INTERCEPT_READDIR64 | |
2414 | INTERCEPTOR(__sanitizer_dirent64 *, readdir64, void *dirp) { | |
2415 | void *ctx; | |
2416 | COMMON_INTERCEPTOR_ENTER(ctx, readdir64, dirp); | |
92a42be0 SL |
2417 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2418 | // its metadata. See | |
2419 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2420 | __sanitizer_dirent64 *res = REAL(readdir64)(dirp); |
2421 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, res->d_reclen); | |
2422 | return res; | |
2423 | } | |
2424 | ||
2425 | INTERCEPTOR(int, readdir64_r, void *dirp, __sanitizer_dirent64 *entry, | |
2426 | __sanitizer_dirent64 **result) { | |
2427 | void *ctx; | |
2428 | COMMON_INTERCEPTOR_ENTER(ctx, readdir64_r, dirp, entry, result); | |
92a42be0 SL |
2429 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2430 | // its metadata. See | |
2431 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2432 | int res = REAL(readdir64_r)(dirp, entry, result); |
2433 | if (!res) { | |
2434 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
2435 | if (*result) | |
2436 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *result, (*result)->d_reclen); | |
2437 | } | |
2438 | return res; | |
2439 | } | |
2440 | #define INIT_READDIR64 \ | |
2441 | COMMON_INTERCEPT_FUNCTION(readdir64); \ | |
2442 | COMMON_INTERCEPT_FUNCTION(readdir64_r); | |
2443 | #else | |
2444 | #define INIT_READDIR64 | |
2445 | #endif | |
2446 | ||
2447 | #if SANITIZER_INTERCEPT_PTRACE | |
2448 | INTERCEPTOR(uptr, ptrace, int request, int pid, void *addr, void *data) { | |
2449 | void *ctx; | |
2450 | COMMON_INTERCEPTOR_ENTER(ctx, ptrace, request, pid, addr, data); | |
92a42be0 | 2451 | __sanitizer_iovec local_iovec; |
1a4d82fc JJ |
2452 | |
2453 | if (data) { | |
2454 | if (request == ptrace_setregs) | |
2455 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, struct_user_regs_struct_sz); | |
2456 | else if (request == ptrace_setfpregs) | |
2457 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, struct_user_fpregs_struct_sz); | |
2458 | else if (request == ptrace_setfpxregs) | |
2459 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, struct_user_fpxregs_struct_sz); | |
92a42be0 SL |
2460 | else if (request == ptrace_setvfpregs) |
2461 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, struct_user_vfpregs_struct_sz); | |
1a4d82fc JJ |
2462 | else if (request == ptrace_setsiginfo) |
2463 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, siginfo_t_sz); | |
92a42be0 SL |
2464 | // Some kernel might zero the iovec::iov_base in case of invalid |
2465 | // write access. In this case copy the invalid address for further | |
2466 | // inspection. | |
2467 | else if (request == ptrace_setregset || request == ptrace_getregset) { | |
2468 | __sanitizer_iovec *iovec = (__sanitizer_iovec*)data; | |
2469 | COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec, sizeof(*iovec)); | |
2470 | local_iovec = *iovec; | |
2471 | if (request == ptrace_setregset) | |
2472 | COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec->iov_base, iovec->iov_len); | |
1a4d82fc JJ |
2473 | } |
2474 | } | |
2475 | ||
92a42be0 SL |
2476 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2477 | // its metadata. See | |
2478 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2479 | uptr res = REAL(ptrace)(request, pid, addr, data); |
2480 | ||
2481 | if (!res && data) { | |
92a42be0 | 2482 | // Note that PEEK* requests assign different meaning to the return value. |
1a4d82fc JJ |
2483 | // This function does not handle them (nor does it need to). |
2484 | if (request == ptrace_getregs) | |
2485 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, struct_user_regs_struct_sz); | |
2486 | else if (request == ptrace_getfpregs) | |
2487 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, struct_user_fpregs_struct_sz); | |
2488 | else if (request == ptrace_getfpxregs) | |
2489 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, struct_user_fpxregs_struct_sz); | |
92a42be0 SL |
2490 | else if (request == ptrace_getvfpregs) |
2491 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, struct_user_vfpregs_struct_sz); | |
1a4d82fc JJ |
2492 | else if (request == ptrace_getsiginfo) |
2493 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, siginfo_t_sz); | |
92a42be0 SL |
2494 | else if (request == ptrace_geteventmsg) |
2495 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, sizeof(unsigned long)); | |
1a4d82fc | 2496 | else if (request == ptrace_getregset) { |
92a42be0 SL |
2497 | __sanitizer_iovec *iovec = (__sanitizer_iovec*)data; |
2498 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iovec, sizeof(*iovec)); | |
2499 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, local_iovec.iov_base, | |
2500 | local_iovec.iov_len); | |
1a4d82fc JJ |
2501 | } |
2502 | } | |
2503 | return res; | |
2504 | } | |
2505 | ||
2506 | #define INIT_PTRACE COMMON_INTERCEPT_FUNCTION(ptrace); | |
2507 | #else | |
2508 | #define INIT_PTRACE | |
2509 | #endif | |
2510 | ||
2511 | #if SANITIZER_INTERCEPT_SETLOCALE | |
2512 | INTERCEPTOR(char *, setlocale, int category, char *locale) { | |
2513 | void *ctx; | |
2514 | COMMON_INTERCEPTOR_ENTER(ctx, setlocale, category, locale); | |
2515 | if (locale) | |
2516 | COMMON_INTERCEPTOR_READ_RANGE(ctx, locale, REAL(strlen)(locale) + 1); | |
2517 | char *res = REAL(setlocale)(category, locale); | |
2518 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
2519 | return res; | |
2520 | } | |
2521 | ||
2522 | #define INIT_SETLOCALE COMMON_INTERCEPT_FUNCTION(setlocale); | |
2523 | #else | |
2524 | #define INIT_SETLOCALE | |
2525 | #endif | |
2526 | ||
2527 | #if SANITIZER_INTERCEPT_GETCWD | |
2528 | INTERCEPTOR(char *, getcwd, char *buf, SIZE_T size) { | |
2529 | void *ctx; | |
2530 | COMMON_INTERCEPTOR_ENTER(ctx, getcwd, buf, size); | |
92a42be0 SL |
2531 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2532 | // its metadata. See | |
2533 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2534 | char *res = REAL(getcwd)(buf, size); |
2535 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
2536 | return res; | |
2537 | } | |
2538 | #define INIT_GETCWD COMMON_INTERCEPT_FUNCTION(getcwd); | |
2539 | #else | |
2540 | #define INIT_GETCWD | |
2541 | #endif | |
2542 | ||
2543 | #if SANITIZER_INTERCEPT_GET_CURRENT_DIR_NAME | |
2544 | INTERCEPTOR(char *, get_current_dir_name, int fake) { | |
2545 | void *ctx; | |
2546 | COMMON_INTERCEPTOR_ENTER(ctx, get_current_dir_name, fake); | |
92a42be0 SL |
2547 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2548 | // its metadata. See | |
2549 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2550 | char *res = REAL(get_current_dir_name)(fake); |
2551 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
2552 | return res; | |
2553 | } | |
2554 | ||
2555 | #define INIT_GET_CURRENT_DIR_NAME \ | |
2556 | COMMON_INTERCEPT_FUNCTION(get_current_dir_name); | |
2557 | #else | |
2558 | #define INIT_GET_CURRENT_DIR_NAME | |
2559 | #endif | |
2560 | ||
92a42be0 SL |
2561 | UNUSED static inline void FixRealStrtolEndptr(const char *nptr, char **endptr) { |
2562 | CHECK(endptr); | |
2563 | if (nptr == *endptr) { | |
2564 | // No digits were found at strtol call, we need to find out the last | |
2565 | // symbol accessed by strtoll on our own. | |
2566 | // We get this symbol by skipping leading blanks and optional +/- sign. | |
2567 | while (IsSpace(*nptr)) nptr++; | |
2568 | if (*nptr == '+' || *nptr == '-') nptr++; | |
2569 | *endptr = const_cast<char *>(nptr); | |
2570 | } | |
2571 | CHECK(*endptr >= nptr); | |
2572 | } | |
2573 | ||
2574 | UNUSED static inline void StrtolFixAndCheck(void *ctx, const char *nptr, | |
2575 | char **endptr, char *real_endptr, int base) { | |
2576 | if (endptr) { | |
2577 | *endptr = real_endptr; | |
2578 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, endptr, sizeof(*endptr)); | |
2579 | } | |
2580 | // If base has unsupported value, strtol can exit with EINVAL | |
2581 | // without reading any characters. So do additional checks only | |
2582 | // if base is valid. | |
2583 | bool is_valid_base = (base == 0) || (2 <= base && base <= 36); | |
2584 | if (is_valid_base) { | |
2585 | FixRealStrtolEndptr(nptr, &real_endptr); | |
2586 | } | |
2587 | COMMON_INTERCEPTOR_READ_STRING(ctx, nptr, is_valid_base ? | |
2588 | (real_endptr - nptr) + 1 : 0); | |
2589 | } | |
2590 | ||
2591 | ||
1a4d82fc JJ |
2592 | #if SANITIZER_INTERCEPT_STRTOIMAX |
2593 | INTERCEPTOR(INTMAX_T, strtoimax, const char *nptr, char **endptr, int base) { | |
2594 | void *ctx; | |
2595 | COMMON_INTERCEPTOR_ENTER(ctx, strtoimax, nptr, endptr, base); | |
92a42be0 SL |
2596 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2597 | // its metadata. See | |
2598 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
2599 | char *real_endptr; | |
2600 | INTMAX_T res = REAL(strtoimax)(nptr, &real_endptr, base); | |
2601 | StrtolFixAndCheck(ctx, nptr, endptr, real_endptr, base); | |
1a4d82fc JJ |
2602 | return res; |
2603 | } | |
2604 | ||
2605 | INTERCEPTOR(INTMAX_T, strtoumax, const char *nptr, char **endptr, int base) { | |
2606 | void *ctx; | |
2607 | COMMON_INTERCEPTOR_ENTER(ctx, strtoumax, nptr, endptr, base); | |
92a42be0 SL |
2608 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2609 | // its metadata. See | |
2610 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
2611 | char *real_endptr; | |
2612 | INTMAX_T res = REAL(strtoumax)(nptr, &real_endptr, base); | |
2613 | StrtolFixAndCheck(ctx, nptr, endptr, real_endptr, base); | |
1a4d82fc JJ |
2614 | return res; |
2615 | } | |
2616 | ||
2617 | #define INIT_STRTOIMAX \ | |
2618 | COMMON_INTERCEPT_FUNCTION(strtoimax); \ | |
2619 | COMMON_INTERCEPT_FUNCTION(strtoumax); | |
2620 | #else | |
2621 | #define INIT_STRTOIMAX | |
2622 | #endif | |
2623 | ||
2624 | #if SANITIZER_INTERCEPT_MBSTOWCS | |
2625 | INTERCEPTOR(SIZE_T, mbstowcs, wchar_t *dest, const char *src, SIZE_T len) { | |
2626 | void *ctx; | |
2627 | COMMON_INTERCEPTOR_ENTER(ctx, mbstowcs, dest, src, len); | |
92a42be0 SL |
2628 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2629 | // its metadata. See | |
2630 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2631 | SIZE_T res = REAL(mbstowcs)(dest, src, len); |
2632 | if (res != (SIZE_T) - 1 && dest) { | |
2633 | SIZE_T write_cnt = res + (res < len); | |
2634 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt * sizeof(wchar_t)); | |
2635 | } | |
2636 | return res; | |
2637 | } | |
2638 | ||
2639 | INTERCEPTOR(SIZE_T, mbsrtowcs, wchar_t *dest, const char **src, SIZE_T len, | |
2640 | void *ps) { | |
2641 | void *ctx; | |
2642 | COMMON_INTERCEPTOR_ENTER(ctx, mbsrtowcs, dest, src, len, ps); | |
2643 | if (src) COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src)); | |
2644 | if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz); | |
92a42be0 SL |
2645 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2646 | // its metadata. See | |
2647 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2648 | SIZE_T res = REAL(mbsrtowcs)(dest, src, len, ps); |
2649 | if (res != (SIZE_T)(-1) && dest && src) { | |
2650 | // This function, and several others, may or may not write the terminating | |
2651 | // \0 character. They write it iff they clear *src. | |
2652 | SIZE_T write_cnt = res + !*src; | |
2653 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt * sizeof(wchar_t)); | |
2654 | } | |
2655 | return res; | |
2656 | } | |
2657 | ||
2658 | #define INIT_MBSTOWCS \ | |
2659 | COMMON_INTERCEPT_FUNCTION(mbstowcs); \ | |
2660 | COMMON_INTERCEPT_FUNCTION(mbsrtowcs); | |
2661 | #else | |
2662 | #define INIT_MBSTOWCS | |
2663 | #endif | |
2664 | ||
2665 | #if SANITIZER_INTERCEPT_MBSNRTOWCS | |
2666 | INTERCEPTOR(SIZE_T, mbsnrtowcs, wchar_t *dest, const char **src, SIZE_T nms, | |
2667 | SIZE_T len, void *ps) { | |
2668 | void *ctx; | |
2669 | COMMON_INTERCEPTOR_ENTER(ctx, mbsnrtowcs, dest, src, nms, len, ps); | |
2670 | if (src) { | |
2671 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src)); | |
2672 | if (nms) COMMON_INTERCEPTOR_READ_RANGE(ctx, *src, nms); | |
2673 | } | |
2674 | if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz); | |
92a42be0 SL |
2675 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2676 | // its metadata. See | |
2677 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2678 | SIZE_T res = REAL(mbsnrtowcs)(dest, src, nms, len, ps); |
2679 | if (res != (SIZE_T)(-1) && dest && src) { | |
2680 | SIZE_T write_cnt = res + !*src; | |
2681 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt * sizeof(wchar_t)); | |
2682 | } | |
2683 | return res; | |
2684 | } | |
2685 | ||
2686 | #define INIT_MBSNRTOWCS COMMON_INTERCEPT_FUNCTION(mbsnrtowcs); | |
2687 | #else | |
2688 | #define INIT_MBSNRTOWCS | |
2689 | #endif | |
2690 | ||
2691 | #if SANITIZER_INTERCEPT_WCSTOMBS | |
2692 | INTERCEPTOR(SIZE_T, wcstombs, char *dest, const wchar_t *src, SIZE_T len) { | |
2693 | void *ctx; | |
2694 | COMMON_INTERCEPTOR_ENTER(ctx, wcstombs, dest, src, len); | |
92a42be0 SL |
2695 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2696 | // its metadata. See | |
2697 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2698 | SIZE_T res = REAL(wcstombs)(dest, src, len); |
2699 | if (res != (SIZE_T) - 1 && dest) { | |
2700 | SIZE_T write_cnt = res + (res < len); | |
2701 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt); | |
2702 | } | |
2703 | return res; | |
2704 | } | |
2705 | ||
2706 | INTERCEPTOR(SIZE_T, wcsrtombs, char *dest, const wchar_t **src, SIZE_T len, | |
2707 | void *ps) { | |
2708 | void *ctx; | |
2709 | COMMON_INTERCEPTOR_ENTER(ctx, wcsrtombs, dest, src, len, ps); | |
2710 | if (src) COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src)); | |
2711 | if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz); | |
92a42be0 SL |
2712 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2713 | // its metadata. See | |
2714 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2715 | SIZE_T res = REAL(wcsrtombs)(dest, src, len, ps); |
2716 | if (res != (SIZE_T) - 1 && dest && src) { | |
2717 | SIZE_T write_cnt = res + !*src; | |
2718 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt); | |
2719 | } | |
2720 | return res; | |
2721 | } | |
2722 | ||
2723 | #define INIT_WCSTOMBS \ | |
2724 | COMMON_INTERCEPT_FUNCTION(wcstombs); \ | |
2725 | COMMON_INTERCEPT_FUNCTION(wcsrtombs); | |
2726 | #else | |
2727 | #define INIT_WCSTOMBS | |
2728 | #endif | |
2729 | ||
2730 | #if SANITIZER_INTERCEPT_WCSNRTOMBS | |
2731 | INTERCEPTOR(SIZE_T, wcsnrtombs, char *dest, const wchar_t **src, SIZE_T nms, | |
2732 | SIZE_T len, void *ps) { | |
2733 | void *ctx; | |
2734 | COMMON_INTERCEPTOR_ENTER(ctx, wcsnrtombs, dest, src, nms, len, ps); | |
2735 | if (src) { | |
2736 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src)); | |
2737 | if (nms) COMMON_INTERCEPTOR_READ_RANGE(ctx, *src, nms); | |
2738 | } | |
2739 | if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz); | |
92a42be0 SL |
2740 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2741 | // its metadata. See | |
2742 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc | 2743 | SIZE_T res = REAL(wcsnrtombs)(dest, src, nms, len, ps); |
92a42be0 | 2744 | if (res != ((SIZE_T)-1) && dest && src) { |
1a4d82fc JJ |
2745 | SIZE_T write_cnt = res + !*src; |
2746 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt); | |
2747 | } | |
2748 | return res; | |
2749 | } | |
2750 | ||
2751 | #define INIT_WCSNRTOMBS COMMON_INTERCEPT_FUNCTION(wcsnrtombs); | |
2752 | #else | |
2753 | #define INIT_WCSNRTOMBS | |
2754 | #endif | |
2755 | ||
92a42be0 SL |
2756 | |
2757 | #if SANITIZER_INTERCEPT_WCRTOMB | |
2758 | INTERCEPTOR(SIZE_T, wcrtomb, char *dest, wchar_t src, void *ps) { | |
2759 | void *ctx; | |
2760 | COMMON_INTERCEPTOR_ENTER(ctx, wcrtomb, dest, src, ps); | |
2761 | if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz); | |
2762 | // FIXME: under ASan the call below may write to freed memory and corrupt | |
2763 | // its metadata. See | |
2764 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
2765 | SIZE_T res = REAL(wcrtomb)(dest, src, ps); | |
2766 | if (res != ((SIZE_T)-1) && dest) { | |
2767 | SIZE_T write_cnt = res; | |
2768 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt); | |
2769 | } | |
2770 | return res; | |
2771 | } | |
2772 | ||
2773 | #define INIT_WCRTOMB COMMON_INTERCEPT_FUNCTION(wcrtomb); | |
2774 | #else | |
2775 | #define INIT_WCRTOMB | |
2776 | #endif | |
2777 | ||
1a4d82fc JJ |
2778 | #if SANITIZER_INTERCEPT_TCGETATTR |
2779 | INTERCEPTOR(int, tcgetattr, int fd, void *termios_p) { | |
2780 | void *ctx; | |
2781 | COMMON_INTERCEPTOR_ENTER(ctx, tcgetattr, fd, termios_p); | |
92a42be0 SL |
2782 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2783 | // its metadata. See | |
2784 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2785 | int res = REAL(tcgetattr)(fd, termios_p); |
2786 | if (!res && termios_p) | |
2787 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, termios_p, struct_termios_sz); | |
2788 | return res; | |
2789 | } | |
2790 | ||
2791 | #define INIT_TCGETATTR COMMON_INTERCEPT_FUNCTION(tcgetattr); | |
2792 | #else | |
2793 | #define INIT_TCGETATTR | |
2794 | #endif | |
2795 | ||
2796 | #if SANITIZER_INTERCEPT_REALPATH | |
2797 | INTERCEPTOR(char *, realpath, const char *path, char *resolved_path) { | |
2798 | void *ctx; | |
2799 | COMMON_INTERCEPTOR_ENTER(ctx, realpath, path, resolved_path); | |
2800 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
2801 | ||
2802 | // Workaround a bug in glibc where dlsym(RTLD_NEXT, ...) returns the oldest | |
2803 | // version of a versioned symbol. For realpath(), this gives us something | |
2804 | // (called __old_realpath) that does not handle NULL in the second argument. | |
2805 | // Handle it as part of the interceptor. | |
92a42be0 | 2806 | char *allocated_path = nullptr; |
1a4d82fc JJ |
2807 | if (!resolved_path) |
2808 | allocated_path = resolved_path = (char *)WRAP(malloc)(path_max + 1); | |
2809 | ||
2810 | char *res = REAL(realpath)(path, resolved_path); | |
2811 | if (allocated_path && !res) WRAP(free)(allocated_path); | |
2812 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
2813 | return res; | |
2814 | } | |
2815 | #define INIT_REALPATH COMMON_INTERCEPT_FUNCTION(realpath); | |
2816 | #else | |
2817 | #define INIT_REALPATH | |
2818 | #endif | |
2819 | ||
2820 | #if SANITIZER_INTERCEPT_CANONICALIZE_FILE_NAME | |
2821 | INTERCEPTOR(char *, canonicalize_file_name, const char *path) { | |
2822 | void *ctx; | |
2823 | COMMON_INTERCEPTOR_ENTER(ctx, canonicalize_file_name, path); | |
2824 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
2825 | char *res = REAL(canonicalize_file_name)(path); | |
2826 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
2827 | return res; | |
2828 | } | |
2829 | #define INIT_CANONICALIZE_FILE_NAME \ | |
2830 | COMMON_INTERCEPT_FUNCTION(canonicalize_file_name); | |
2831 | #else | |
2832 | #define INIT_CANONICALIZE_FILE_NAME | |
2833 | #endif | |
2834 | ||
2835 | #if SANITIZER_INTERCEPT_CONFSTR | |
2836 | INTERCEPTOR(SIZE_T, confstr, int name, char *buf, SIZE_T len) { | |
2837 | void *ctx; | |
2838 | COMMON_INTERCEPTOR_ENTER(ctx, confstr, name, buf, len); | |
92a42be0 SL |
2839 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2840 | // its metadata. See | |
2841 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2842 | SIZE_T res = REAL(confstr)(name, buf, len); |
2843 | if (buf && res) | |
2844 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, res < len ? res : len); | |
2845 | return res; | |
2846 | } | |
2847 | #define INIT_CONFSTR COMMON_INTERCEPT_FUNCTION(confstr); | |
2848 | #else | |
2849 | #define INIT_CONFSTR | |
2850 | #endif | |
2851 | ||
2852 | #if SANITIZER_INTERCEPT_SCHED_GETAFFINITY | |
2853 | INTERCEPTOR(int, sched_getaffinity, int pid, SIZE_T cpusetsize, void *mask) { | |
2854 | void *ctx; | |
2855 | COMMON_INTERCEPTOR_ENTER(ctx, sched_getaffinity, pid, cpusetsize, mask); | |
92a42be0 SL |
2856 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2857 | // its metadata. See | |
2858 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2859 | int res = REAL(sched_getaffinity)(pid, cpusetsize, mask); |
2860 | if (mask && !res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mask, cpusetsize); | |
2861 | return res; | |
2862 | } | |
2863 | #define INIT_SCHED_GETAFFINITY COMMON_INTERCEPT_FUNCTION(sched_getaffinity); | |
2864 | #else | |
2865 | #define INIT_SCHED_GETAFFINITY | |
2866 | #endif | |
2867 | ||
92a42be0 SL |
2868 | #if SANITIZER_INTERCEPT_SCHED_GETPARAM |
2869 | INTERCEPTOR(int, sched_getparam, int pid, void *param) { | |
2870 | void *ctx; | |
2871 | COMMON_INTERCEPTOR_ENTER(ctx, sched_getparam, pid, param); | |
2872 | int res = REAL(sched_getparam)(pid, param); | |
2873 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, param, struct_sched_param_sz); | |
2874 | return res; | |
2875 | } | |
2876 | #define INIT_SCHED_GETPARAM COMMON_INTERCEPT_FUNCTION(sched_getparam); | |
2877 | #else | |
2878 | #define INIT_SCHED_GETPARAM | |
2879 | #endif | |
2880 | ||
1a4d82fc JJ |
2881 | #if SANITIZER_INTERCEPT_STRERROR |
2882 | INTERCEPTOR(char *, strerror, int errnum) { | |
2883 | void *ctx; | |
2884 | COMMON_INTERCEPTOR_ENTER(ctx, strerror, errnum); | |
2885 | char *res = REAL(strerror)(errnum); | |
2886 | if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res) + 1); | |
2887 | return res; | |
2888 | } | |
2889 | #define INIT_STRERROR COMMON_INTERCEPT_FUNCTION(strerror); | |
2890 | #else | |
2891 | #define INIT_STRERROR | |
2892 | #endif | |
2893 | ||
2894 | #if SANITIZER_INTERCEPT_STRERROR_R | |
2895 | INTERCEPTOR(char *, strerror_r, int errnum, char *buf, SIZE_T buflen) { | |
2896 | void *ctx; | |
2897 | COMMON_INTERCEPTOR_ENTER(ctx, strerror_r, errnum, buf, buflen); | |
92a42be0 SL |
2898 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2899 | // its metadata. See | |
2900 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2901 | char *res = REAL(strerror_r)(errnum, buf, buflen); |
2902 | // There are 2 versions of strerror_r: | |
2903 | // * POSIX version returns 0 on success, negative error code on failure, | |
2904 | // writes message to buf. | |
2905 | // * GNU version returns message pointer, which points to either buf or some | |
2906 | // static storage. | |
2907 | SIZE_T posix_res = (SIZE_T)res; | |
2908 | if (posix_res < 1024 || posix_res > (SIZE_T) - 1024) { | |
2909 | // POSIX version. Spec is not clear on whether buf is NULL-terminated. | |
2910 | // At least on OSX, buf contents are valid even when the call fails. | |
2911 | SIZE_T sz = internal_strnlen(buf, buflen); | |
2912 | if (sz < buflen) ++sz; | |
2913 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, sz); | |
2914 | } else { | |
2915 | // GNU version. | |
2916 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
2917 | } | |
2918 | return res; | |
2919 | } | |
2920 | #define INIT_STRERROR_R COMMON_INTERCEPT_FUNCTION(strerror_r); | |
2921 | #else | |
2922 | #define INIT_STRERROR_R | |
2923 | #endif | |
2924 | ||
2925 | #if SANITIZER_INTERCEPT_XPG_STRERROR_R | |
2926 | INTERCEPTOR(int, __xpg_strerror_r, int errnum, char *buf, SIZE_T buflen) { | |
2927 | void *ctx; | |
2928 | COMMON_INTERCEPTOR_ENTER(ctx, __xpg_strerror_r, errnum, buf, buflen); | |
92a42be0 SL |
2929 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2930 | // its metadata. See | |
2931 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
2932 | int res = REAL(__xpg_strerror_r)(errnum, buf, buflen); |
2933 | // This version always returns a null-terminated string. | |
2934 | if (buf && buflen) | |
2935 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, REAL(strlen)(buf) + 1); | |
2936 | return res; | |
2937 | } | |
2938 | #define INIT_XPG_STRERROR_R COMMON_INTERCEPT_FUNCTION(__xpg_strerror_r); | |
2939 | #else | |
2940 | #define INIT_XPG_STRERROR_R | |
2941 | #endif | |
2942 | ||
2943 | #if SANITIZER_INTERCEPT_SCANDIR | |
2944 | typedef int (*scandir_filter_f)(const struct __sanitizer_dirent *); | |
2945 | typedef int (*scandir_compar_f)(const struct __sanitizer_dirent **, | |
2946 | const struct __sanitizer_dirent **); | |
2947 | ||
2948 | static THREADLOCAL scandir_filter_f scandir_filter; | |
2949 | static THREADLOCAL scandir_compar_f scandir_compar; | |
2950 | ||
2951 | static int wrapped_scandir_filter(const struct __sanitizer_dirent *dir) { | |
2952 | COMMON_INTERCEPTOR_UNPOISON_PARAM(1); | |
2953 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(dir, dir->d_reclen); | |
92a42be0 | 2954 | return scandir_filter(dir); |
1a4d82fc JJ |
2955 | } |
2956 | ||
2957 | static int wrapped_scandir_compar(const struct __sanitizer_dirent **a, | |
2958 | const struct __sanitizer_dirent **b) { | |
2959 | COMMON_INTERCEPTOR_UNPOISON_PARAM(2); | |
2960 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(a, sizeof(*a)); | |
2961 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(*a, (*a)->d_reclen); | |
2962 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(b, sizeof(*b)); | |
2963 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(*b, (*b)->d_reclen); | |
92a42be0 | 2964 | return scandir_compar(a, b); |
1a4d82fc JJ |
2965 | } |
2966 | ||
2967 | INTERCEPTOR(int, scandir, char *dirp, __sanitizer_dirent ***namelist, | |
2968 | scandir_filter_f filter, scandir_compar_f compar) { | |
2969 | void *ctx; | |
2970 | COMMON_INTERCEPTOR_ENTER(ctx, scandir, dirp, namelist, filter, compar); | |
2971 | if (dirp) COMMON_INTERCEPTOR_READ_RANGE(ctx, dirp, REAL(strlen)(dirp) + 1); | |
2972 | scandir_filter = filter; | |
2973 | scandir_compar = compar; | |
92a42be0 SL |
2974 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2975 | // its metadata. See | |
2976 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
2977 | int res = REAL(scandir)(dirp, namelist, | |
2978 | filter ? wrapped_scandir_filter : nullptr, | |
2979 | compar ? wrapped_scandir_compar : nullptr); | |
2980 | scandir_filter = nullptr; | |
2981 | scandir_compar = nullptr; | |
1a4d82fc JJ |
2982 | if (namelist && res > 0) { |
2983 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelist, sizeof(*namelist)); | |
2984 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *namelist, sizeof(**namelist) * res); | |
2985 | for (int i = 0; i < res; ++i) | |
2986 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (*namelist)[i], | |
2987 | (*namelist)[i]->d_reclen); | |
2988 | } | |
2989 | return res; | |
2990 | } | |
2991 | #define INIT_SCANDIR COMMON_INTERCEPT_FUNCTION(scandir); | |
2992 | #else | |
2993 | #define INIT_SCANDIR | |
2994 | #endif | |
2995 | ||
2996 | #if SANITIZER_INTERCEPT_SCANDIR64 | |
2997 | typedef int (*scandir64_filter_f)(const struct __sanitizer_dirent64 *); | |
2998 | typedef int (*scandir64_compar_f)(const struct __sanitizer_dirent64 **, | |
2999 | const struct __sanitizer_dirent64 **); | |
3000 | ||
3001 | static THREADLOCAL scandir64_filter_f scandir64_filter; | |
3002 | static THREADLOCAL scandir64_compar_f scandir64_compar; | |
3003 | ||
3004 | static int wrapped_scandir64_filter(const struct __sanitizer_dirent64 *dir) { | |
3005 | COMMON_INTERCEPTOR_UNPOISON_PARAM(1); | |
3006 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(dir, dir->d_reclen); | |
92a42be0 | 3007 | return scandir64_filter(dir); |
1a4d82fc JJ |
3008 | } |
3009 | ||
3010 | static int wrapped_scandir64_compar(const struct __sanitizer_dirent64 **a, | |
3011 | const struct __sanitizer_dirent64 **b) { | |
3012 | COMMON_INTERCEPTOR_UNPOISON_PARAM(2); | |
3013 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(a, sizeof(*a)); | |
3014 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(*a, (*a)->d_reclen); | |
3015 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(b, sizeof(*b)); | |
3016 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(*b, (*b)->d_reclen); | |
92a42be0 | 3017 | return scandir64_compar(a, b); |
1a4d82fc JJ |
3018 | } |
3019 | ||
3020 | INTERCEPTOR(int, scandir64, char *dirp, __sanitizer_dirent64 ***namelist, | |
3021 | scandir64_filter_f filter, scandir64_compar_f compar) { | |
3022 | void *ctx; | |
3023 | COMMON_INTERCEPTOR_ENTER(ctx, scandir64, dirp, namelist, filter, compar); | |
3024 | if (dirp) COMMON_INTERCEPTOR_READ_RANGE(ctx, dirp, REAL(strlen)(dirp) + 1); | |
3025 | scandir64_filter = filter; | |
3026 | scandir64_compar = compar; | |
92a42be0 SL |
3027 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3028 | // its metadata. See | |
3029 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc | 3030 | int res = |
92a42be0 SL |
3031 | REAL(scandir64)(dirp, namelist, |
3032 | filter ? wrapped_scandir64_filter : nullptr, | |
3033 | compar ? wrapped_scandir64_compar : nullptr); | |
3034 | scandir64_filter = nullptr; | |
3035 | scandir64_compar = nullptr; | |
1a4d82fc JJ |
3036 | if (namelist && res > 0) { |
3037 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelist, sizeof(*namelist)); | |
3038 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *namelist, sizeof(**namelist) * res); | |
3039 | for (int i = 0; i < res; ++i) | |
3040 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (*namelist)[i], | |
3041 | (*namelist)[i]->d_reclen); | |
3042 | } | |
3043 | return res; | |
3044 | } | |
3045 | #define INIT_SCANDIR64 COMMON_INTERCEPT_FUNCTION(scandir64); | |
3046 | #else | |
3047 | #define INIT_SCANDIR64 | |
3048 | #endif | |
3049 | ||
3050 | #if SANITIZER_INTERCEPT_GETGROUPS | |
3051 | INTERCEPTOR(int, getgroups, int size, u32 *lst) { | |
3052 | void *ctx; | |
3053 | COMMON_INTERCEPTOR_ENTER(ctx, getgroups, size, lst); | |
92a42be0 SL |
3054 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3055 | // its metadata. See | |
3056 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3057 | int res = REAL(getgroups)(size, lst); |
3058 | if (res && lst) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lst, res * sizeof(*lst)); | |
3059 | return res; | |
3060 | } | |
3061 | #define INIT_GETGROUPS COMMON_INTERCEPT_FUNCTION(getgroups); | |
3062 | #else | |
3063 | #define INIT_GETGROUPS | |
3064 | #endif | |
3065 | ||
3066 | #if SANITIZER_INTERCEPT_POLL | |
3067 | static void read_pollfd(void *ctx, __sanitizer_pollfd *fds, | |
3068 | __sanitizer_nfds_t nfds) { | |
3069 | for (unsigned i = 0; i < nfds; ++i) { | |
3070 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &fds[i].fd, sizeof(fds[i].fd)); | |
3071 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &fds[i].events, sizeof(fds[i].events)); | |
3072 | } | |
3073 | } | |
3074 | ||
3075 | static void write_pollfd(void *ctx, __sanitizer_pollfd *fds, | |
3076 | __sanitizer_nfds_t nfds) { | |
3077 | for (unsigned i = 0; i < nfds; ++i) | |
3078 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &fds[i].revents, | |
3079 | sizeof(fds[i].revents)); | |
3080 | } | |
3081 | ||
3082 | INTERCEPTOR(int, poll, __sanitizer_pollfd *fds, __sanitizer_nfds_t nfds, | |
3083 | int timeout) { | |
3084 | void *ctx; | |
3085 | COMMON_INTERCEPTOR_ENTER(ctx, poll, fds, nfds, timeout); | |
3086 | if (fds && nfds) read_pollfd(ctx, fds, nfds); | |
3087 | int res = COMMON_INTERCEPTOR_BLOCK_REAL(poll)(fds, nfds, timeout); | |
3088 | if (fds && nfds) write_pollfd(ctx, fds, nfds); | |
3089 | return res; | |
3090 | } | |
3091 | #define INIT_POLL COMMON_INTERCEPT_FUNCTION(poll); | |
3092 | #else | |
3093 | #define INIT_POLL | |
3094 | #endif | |
3095 | ||
3096 | #if SANITIZER_INTERCEPT_PPOLL | |
3097 | INTERCEPTOR(int, ppoll, __sanitizer_pollfd *fds, __sanitizer_nfds_t nfds, | |
3098 | void *timeout_ts, __sanitizer_sigset_t *sigmask) { | |
3099 | void *ctx; | |
3100 | COMMON_INTERCEPTOR_ENTER(ctx, ppoll, fds, nfds, timeout_ts, sigmask); | |
3101 | if (fds && nfds) read_pollfd(ctx, fds, nfds); | |
3102 | if (timeout_ts) | |
3103 | COMMON_INTERCEPTOR_READ_RANGE(ctx, timeout_ts, struct_timespec_sz); | |
3104 | // FIXME: read sigmask when all of sigemptyset, etc are intercepted. | |
3105 | int res = | |
3106 | COMMON_INTERCEPTOR_BLOCK_REAL(ppoll)(fds, nfds, timeout_ts, sigmask); | |
3107 | if (fds && nfds) write_pollfd(ctx, fds, nfds); | |
3108 | return res; | |
3109 | } | |
3110 | #define INIT_PPOLL COMMON_INTERCEPT_FUNCTION(ppoll); | |
3111 | #else | |
3112 | #define INIT_PPOLL | |
3113 | #endif | |
3114 | ||
3115 | #if SANITIZER_INTERCEPT_WORDEXP | |
3116 | INTERCEPTOR(int, wordexp, char *s, __sanitizer_wordexp_t *p, int flags) { | |
3117 | void *ctx; | |
3118 | COMMON_INTERCEPTOR_ENTER(ctx, wordexp, s, p, flags); | |
3119 | if (s) COMMON_INTERCEPTOR_READ_RANGE(ctx, s, REAL(strlen)(s) + 1); | |
92a42be0 SL |
3120 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3121 | // its metadata. See | |
3122 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3123 | int res = REAL(wordexp)(s, p, flags); |
3124 | if (!res && p) { | |
3125 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p)); | |
3126 | if (p->we_wordc) | |
3127 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->we_wordv, | |
3128 | sizeof(*p->we_wordv) * p->we_wordc); | |
3129 | for (uptr i = 0; i < p->we_wordc; ++i) { | |
3130 | char *w = p->we_wordv[i]; | |
3131 | if (w) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, w, REAL(strlen)(w) + 1); | |
3132 | } | |
3133 | } | |
3134 | return res; | |
3135 | } | |
3136 | #define INIT_WORDEXP COMMON_INTERCEPT_FUNCTION(wordexp); | |
3137 | #else | |
3138 | #define INIT_WORDEXP | |
3139 | #endif | |
3140 | ||
3141 | #if SANITIZER_INTERCEPT_SIGWAIT | |
3142 | INTERCEPTOR(int, sigwait, __sanitizer_sigset_t *set, int *sig) { | |
3143 | void *ctx; | |
3144 | COMMON_INTERCEPTOR_ENTER(ctx, sigwait, set, sig); | |
3145 | // FIXME: read sigset_t when all of sigemptyset, etc are intercepted | |
92a42be0 SL |
3146 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3147 | // its metadata. See | |
3148 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3149 | int res = REAL(sigwait)(set, sig); |
3150 | if (!res && sig) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sig, sizeof(*sig)); | |
3151 | return res; | |
3152 | } | |
3153 | #define INIT_SIGWAIT COMMON_INTERCEPT_FUNCTION(sigwait); | |
3154 | #else | |
3155 | #define INIT_SIGWAIT | |
3156 | #endif | |
3157 | ||
3158 | #if SANITIZER_INTERCEPT_SIGWAITINFO | |
3159 | INTERCEPTOR(int, sigwaitinfo, __sanitizer_sigset_t *set, void *info) { | |
3160 | void *ctx; | |
3161 | COMMON_INTERCEPTOR_ENTER(ctx, sigwaitinfo, set, info); | |
3162 | // FIXME: read sigset_t when all of sigemptyset, etc are intercepted | |
92a42be0 SL |
3163 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3164 | // its metadata. See | |
3165 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3166 | int res = REAL(sigwaitinfo)(set, info); |
3167 | if (res > 0 && info) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, info, siginfo_t_sz); | |
3168 | return res; | |
3169 | } | |
3170 | #define INIT_SIGWAITINFO COMMON_INTERCEPT_FUNCTION(sigwaitinfo); | |
3171 | #else | |
3172 | #define INIT_SIGWAITINFO | |
3173 | #endif | |
3174 | ||
3175 | #if SANITIZER_INTERCEPT_SIGTIMEDWAIT | |
3176 | INTERCEPTOR(int, sigtimedwait, __sanitizer_sigset_t *set, void *info, | |
3177 | void *timeout) { | |
3178 | void *ctx; | |
3179 | COMMON_INTERCEPTOR_ENTER(ctx, sigtimedwait, set, info, timeout); | |
3180 | if (timeout) COMMON_INTERCEPTOR_READ_RANGE(ctx, timeout, struct_timespec_sz); | |
3181 | // FIXME: read sigset_t when all of sigemptyset, etc are intercepted | |
92a42be0 SL |
3182 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3183 | // its metadata. See | |
3184 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3185 | int res = REAL(sigtimedwait)(set, info, timeout); |
3186 | if (res > 0 && info) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, info, siginfo_t_sz); | |
3187 | return res; | |
3188 | } | |
3189 | #define INIT_SIGTIMEDWAIT COMMON_INTERCEPT_FUNCTION(sigtimedwait); | |
3190 | #else | |
3191 | #define INIT_SIGTIMEDWAIT | |
3192 | #endif | |
3193 | ||
3194 | #if SANITIZER_INTERCEPT_SIGSETOPS | |
3195 | INTERCEPTOR(int, sigemptyset, __sanitizer_sigset_t *set) { | |
3196 | void *ctx; | |
3197 | COMMON_INTERCEPTOR_ENTER(ctx, sigemptyset, set); | |
92a42be0 SL |
3198 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3199 | // its metadata. See | |
3200 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3201 | int res = REAL(sigemptyset)(set); |
3202 | if (!res && set) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, set, sizeof(*set)); | |
3203 | return res; | |
3204 | } | |
3205 | ||
3206 | INTERCEPTOR(int, sigfillset, __sanitizer_sigset_t *set) { | |
3207 | void *ctx; | |
3208 | COMMON_INTERCEPTOR_ENTER(ctx, sigfillset, set); | |
92a42be0 SL |
3209 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3210 | // its metadata. See | |
3211 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3212 | int res = REAL(sigfillset)(set); |
3213 | if (!res && set) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, set, sizeof(*set)); | |
3214 | return res; | |
3215 | } | |
3216 | #define INIT_SIGSETOPS \ | |
3217 | COMMON_INTERCEPT_FUNCTION(sigemptyset); \ | |
3218 | COMMON_INTERCEPT_FUNCTION(sigfillset); | |
3219 | #else | |
3220 | #define INIT_SIGSETOPS | |
3221 | #endif | |
3222 | ||
3223 | #if SANITIZER_INTERCEPT_SIGPENDING | |
3224 | INTERCEPTOR(int, sigpending, __sanitizer_sigset_t *set) { | |
3225 | void *ctx; | |
3226 | COMMON_INTERCEPTOR_ENTER(ctx, sigpending, set); | |
92a42be0 SL |
3227 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3228 | // its metadata. See | |
3229 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3230 | int res = REAL(sigpending)(set); |
3231 | if (!res && set) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, set, sizeof(*set)); | |
3232 | return res; | |
3233 | } | |
3234 | #define INIT_SIGPENDING COMMON_INTERCEPT_FUNCTION(sigpending); | |
3235 | #else | |
3236 | #define INIT_SIGPENDING | |
3237 | #endif | |
3238 | ||
3239 | #if SANITIZER_INTERCEPT_SIGPROCMASK | |
3240 | INTERCEPTOR(int, sigprocmask, int how, __sanitizer_sigset_t *set, | |
3241 | __sanitizer_sigset_t *oldset) { | |
3242 | void *ctx; | |
3243 | COMMON_INTERCEPTOR_ENTER(ctx, sigprocmask, how, set, oldset); | |
3244 | // FIXME: read sigset_t when all of sigemptyset, etc are intercepted | |
92a42be0 SL |
3245 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3246 | // its metadata. See | |
3247 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3248 | int res = REAL(sigprocmask)(how, set, oldset); |
3249 | if (!res && oldset) | |
3250 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldset, sizeof(*oldset)); | |
3251 | return res; | |
3252 | } | |
3253 | #define INIT_SIGPROCMASK COMMON_INTERCEPT_FUNCTION(sigprocmask); | |
3254 | #else | |
3255 | #define INIT_SIGPROCMASK | |
3256 | #endif | |
3257 | ||
3258 | #if SANITIZER_INTERCEPT_BACKTRACE | |
3259 | INTERCEPTOR(int, backtrace, void **buffer, int size) { | |
3260 | void *ctx; | |
3261 | COMMON_INTERCEPTOR_ENTER(ctx, backtrace, buffer, size); | |
92a42be0 SL |
3262 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3263 | // its metadata. See | |
3264 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3265 | int res = REAL(backtrace)(buffer, size); |
3266 | if (res && buffer) | |
3267 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buffer, res * sizeof(*buffer)); | |
3268 | return res; | |
3269 | } | |
3270 | ||
3271 | INTERCEPTOR(char **, backtrace_symbols, void **buffer, int size) { | |
3272 | void *ctx; | |
3273 | COMMON_INTERCEPTOR_ENTER(ctx, backtrace_symbols, buffer, size); | |
3274 | if (buffer && size) | |
3275 | COMMON_INTERCEPTOR_READ_RANGE(ctx, buffer, size * sizeof(*buffer)); | |
92a42be0 SL |
3276 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3277 | // its metadata. See | |
3278 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3279 | char **res = REAL(backtrace_symbols)(buffer, size); |
3280 | if (res && size) { | |
3281 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, size * sizeof(*res)); | |
3282 | for (int i = 0; i < size; ++i) | |
3283 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res[i], REAL(strlen(res[i])) + 1); | |
3284 | } | |
3285 | return res; | |
3286 | } | |
3287 | #define INIT_BACKTRACE \ | |
3288 | COMMON_INTERCEPT_FUNCTION(backtrace); \ | |
3289 | COMMON_INTERCEPT_FUNCTION(backtrace_symbols); | |
3290 | #else | |
3291 | #define INIT_BACKTRACE | |
3292 | #endif | |
3293 | ||
3294 | #if SANITIZER_INTERCEPT__EXIT | |
3295 | INTERCEPTOR(void, _exit, int status) { | |
3296 | void *ctx; | |
3297 | COMMON_INTERCEPTOR_ENTER(ctx, _exit, status); | |
3298 | int status1 = COMMON_INTERCEPTOR_ON_EXIT(ctx); | |
3299 | if (status == 0) status = status1; | |
3300 | REAL(_exit)(status); | |
3301 | } | |
3302 | #define INIT__EXIT COMMON_INTERCEPT_FUNCTION(_exit); | |
3303 | #else | |
3304 | #define INIT__EXIT | |
3305 | #endif | |
3306 | ||
3307 | #if SANITIZER_INTERCEPT_PHTREAD_MUTEX | |
3308 | INTERCEPTOR(int, pthread_mutex_lock, void *m) { | |
3309 | void *ctx; | |
3310 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_mutex_lock, m); | |
3311 | int res = REAL(pthread_mutex_lock)(m); | |
3312 | if (res == errno_EOWNERDEAD) | |
3313 | COMMON_INTERCEPTOR_MUTEX_REPAIR(ctx, m); | |
3314 | if (res == 0 || res == errno_EOWNERDEAD) | |
3315 | COMMON_INTERCEPTOR_MUTEX_LOCK(ctx, m); | |
3316 | return res; | |
3317 | } | |
3318 | ||
3319 | INTERCEPTOR(int, pthread_mutex_unlock, void *m) { | |
3320 | void *ctx; | |
3321 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_mutex_unlock, m); | |
3322 | COMMON_INTERCEPTOR_MUTEX_UNLOCK(ctx, m); | |
3323 | return REAL(pthread_mutex_unlock)(m); | |
3324 | } | |
3325 | ||
3326 | #define INIT_PTHREAD_MUTEX_LOCK COMMON_INTERCEPT_FUNCTION(pthread_mutex_lock) | |
3327 | #define INIT_PTHREAD_MUTEX_UNLOCK \ | |
3328 | COMMON_INTERCEPT_FUNCTION(pthread_mutex_unlock) | |
3329 | #else | |
3330 | #define INIT_PTHREAD_MUTEX_LOCK | |
3331 | #define INIT_PTHREAD_MUTEX_UNLOCK | |
3332 | #endif | |
3333 | ||
3334 | #if SANITIZER_INTERCEPT_GETMNTENT || SANITIZER_INTERCEPT_GETMNTENT_R | |
3335 | static void write_mntent(void *ctx, __sanitizer_mntent *mnt) { | |
3336 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt, sizeof(*mnt)); | |
3337 | if (mnt->mnt_fsname) | |
3338 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_fsname, | |
3339 | REAL(strlen)(mnt->mnt_fsname) + 1); | |
3340 | if (mnt->mnt_dir) | |
3341 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_dir, | |
3342 | REAL(strlen)(mnt->mnt_dir) + 1); | |
3343 | if (mnt->mnt_type) | |
3344 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_type, | |
3345 | REAL(strlen)(mnt->mnt_type) + 1); | |
3346 | if (mnt->mnt_opts) | |
3347 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_opts, | |
3348 | REAL(strlen)(mnt->mnt_opts) + 1); | |
3349 | } | |
3350 | #endif | |
3351 | ||
3352 | #if SANITIZER_INTERCEPT_GETMNTENT | |
3353 | INTERCEPTOR(__sanitizer_mntent *, getmntent, void *fp) { | |
3354 | void *ctx; | |
3355 | COMMON_INTERCEPTOR_ENTER(ctx, getmntent, fp); | |
3356 | __sanitizer_mntent *res = REAL(getmntent)(fp); | |
3357 | if (res) write_mntent(ctx, res); | |
3358 | return res; | |
3359 | } | |
3360 | #define INIT_GETMNTENT COMMON_INTERCEPT_FUNCTION(getmntent); | |
3361 | #else | |
3362 | #define INIT_GETMNTENT | |
3363 | #endif | |
3364 | ||
3365 | #if SANITIZER_INTERCEPT_GETMNTENT_R | |
3366 | INTERCEPTOR(__sanitizer_mntent *, getmntent_r, void *fp, | |
3367 | __sanitizer_mntent *mntbuf, char *buf, int buflen) { | |
3368 | void *ctx; | |
3369 | COMMON_INTERCEPTOR_ENTER(ctx, getmntent_r, fp, mntbuf, buf, buflen); | |
3370 | __sanitizer_mntent *res = REAL(getmntent_r)(fp, mntbuf, buf, buflen); | |
3371 | if (res) write_mntent(ctx, res); | |
3372 | return res; | |
3373 | } | |
3374 | #define INIT_GETMNTENT_R COMMON_INTERCEPT_FUNCTION(getmntent_r); | |
3375 | #else | |
3376 | #define INIT_GETMNTENT_R | |
3377 | #endif | |
3378 | ||
3379 | #if SANITIZER_INTERCEPT_STATFS | |
3380 | INTERCEPTOR(int, statfs, char *path, void *buf) { | |
3381 | void *ctx; | |
3382 | COMMON_INTERCEPTOR_ENTER(ctx, statfs, path, buf); | |
3383 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
92a42be0 SL |
3384 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3385 | // its metadata. See | |
3386 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3387 | int res = REAL(statfs)(path, buf); |
3388 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs_sz); | |
3389 | return res; | |
3390 | } | |
3391 | INTERCEPTOR(int, fstatfs, int fd, void *buf) { | |
3392 | void *ctx; | |
3393 | COMMON_INTERCEPTOR_ENTER(ctx, fstatfs, fd, buf); | |
92a42be0 SL |
3394 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3395 | // its metadata. See | |
3396 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3397 | int res = REAL(fstatfs)(fd, buf); |
3398 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs_sz); | |
3399 | return res; | |
3400 | } | |
3401 | #define INIT_STATFS \ | |
3402 | COMMON_INTERCEPT_FUNCTION(statfs); \ | |
3403 | COMMON_INTERCEPT_FUNCTION(fstatfs); | |
3404 | #else | |
3405 | #define INIT_STATFS | |
3406 | #endif | |
3407 | ||
3408 | #if SANITIZER_INTERCEPT_STATFS64 | |
3409 | INTERCEPTOR(int, statfs64, char *path, void *buf) { | |
3410 | void *ctx; | |
3411 | COMMON_INTERCEPTOR_ENTER(ctx, statfs64, path, buf); | |
3412 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
92a42be0 SL |
3413 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3414 | // its metadata. See | |
3415 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3416 | int res = REAL(statfs64)(path, buf); |
3417 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs64_sz); | |
3418 | return res; | |
3419 | } | |
3420 | INTERCEPTOR(int, fstatfs64, int fd, void *buf) { | |
3421 | void *ctx; | |
3422 | COMMON_INTERCEPTOR_ENTER(ctx, fstatfs64, fd, buf); | |
92a42be0 SL |
3423 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3424 | // its metadata. See | |
3425 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3426 | int res = REAL(fstatfs64)(fd, buf); |
3427 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs64_sz); | |
3428 | return res; | |
3429 | } | |
3430 | #define INIT_STATFS64 \ | |
3431 | COMMON_INTERCEPT_FUNCTION(statfs64); \ | |
3432 | COMMON_INTERCEPT_FUNCTION(fstatfs64); | |
3433 | #else | |
3434 | #define INIT_STATFS64 | |
3435 | #endif | |
3436 | ||
3437 | #if SANITIZER_INTERCEPT_STATVFS | |
3438 | INTERCEPTOR(int, statvfs, char *path, void *buf) { | |
3439 | void *ctx; | |
3440 | COMMON_INTERCEPTOR_ENTER(ctx, statvfs, path, buf); | |
3441 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
92a42be0 SL |
3442 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3443 | // its metadata. See | |
3444 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3445 | int res = REAL(statvfs)(path, buf); |
3446 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz); | |
3447 | return res; | |
3448 | } | |
3449 | INTERCEPTOR(int, fstatvfs, int fd, void *buf) { | |
3450 | void *ctx; | |
3451 | COMMON_INTERCEPTOR_ENTER(ctx, fstatvfs, fd, buf); | |
92a42be0 SL |
3452 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3453 | // its metadata. See | |
3454 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3455 | int res = REAL(fstatvfs)(fd, buf); |
3456 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz); | |
3457 | return res; | |
3458 | } | |
3459 | #define INIT_STATVFS \ | |
3460 | COMMON_INTERCEPT_FUNCTION(statvfs); \ | |
3461 | COMMON_INTERCEPT_FUNCTION(fstatvfs); | |
3462 | #else | |
3463 | #define INIT_STATVFS | |
3464 | #endif | |
3465 | ||
3466 | #if SANITIZER_INTERCEPT_STATVFS64 | |
3467 | INTERCEPTOR(int, statvfs64, char *path, void *buf) { | |
3468 | void *ctx; | |
3469 | COMMON_INTERCEPTOR_ENTER(ctx, statvfs64, path, buf); | |
3470 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
92a42be0 SL |
3471 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3472 | // its metadata. See | |
3473 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3474 | int res = REAL(statvfs64)(path, buf); |
3475 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs64_sz); | |
3476 | return res; | |
3477 | } | |
3478 | INTERCEPTOR(int, fstatvfs64, int fd, void *buf) { | |
3479 | void *ctx; | |
3480 | COMMON_INTERCEPTOR_ENTER(ctx, fstatvfs64, fd, buf); | |
92a42be0 SL |
3481 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3482 | // its metadata. See | |
3483 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3484 | int res = REAL(fstatvfs64)(fd, buf); |
3485 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs64_sz); | |
3486 | return res; | |
3487 | } | |
3488 | #define INIT_STATVFS64 \ | |
3489 | COMMON_INTERCEPT_FUNCTION(statvfs64); \ | |
3490 | COMMON_INTERCEPT_FUNCTION(fstatvfs64); | |
3491 | #else | |
3492 | #define INIT_STATVFS64 | |
3493 | #endif | |
3494 | ||
3495 | #if SANITIZER_INTERCEPT_INITGROUPS | |
3496 | INTERCEPTOR(int, initgroups, char *user, u32 group) { | |
3497 | void *ctx; | |
3498 | COMMON_INTERCEPTOR_ENTER(ctx, initgroups, user, group); | |
3499 | if (user) COMMON_INTERCEPTOR_READ_RANGE(ctx, user, REAL(strlen)(user) + 1); | |
3500 | int res = REAL(initgroups)(user, group); | |
3501 | return res; | |
3502 | } | |
3503 | #define INIT_INITGROUPS COMMON_INTERCEPT_FUNCTION(initgroups); | |
3504 | #else | |
3505 | #define INIT_INITGROUPS | |
3506 | #endif | |
3507 | ||
92a42be0 | 3508 | #if SANITIZER_INTERCEPT_ETHER_NTOA_ATON |
1a4d82fc JJ |
3509 | INTERCEPTOR(char *, ether_ntoa, __sanitizer_ether_addr *addr) { |
3510 | void *ctx; | |
3511 | COMMON_INTERCEPTOR_ENTER(ctx, ether_ntoa, addr); | |
3512 | if (addr) COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, sizeof(*addr)); | |
3513 | char *res = REAL(ether_ntoa)(addr); | |
3514 | if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res) + 1); | |
3515 | return res; | |
3516 | } | |
3517 | INTERCEPTOR(__sanitizer_ether_addr *, ether_aton, char *buf) { | |
3518 | void *ctx; | |
3519 | COMMON_INTERCEPTOR_ENTER(ctx, ether_aton, buf); | |
3520 | if (buf) COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, REAL(strlen)(buf) + 1); | |
3521 | __sanitizer_ether_addr *res = REAL(ether_aton)(buf); | |
3522 | if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, sizeof(*res)); | |
3523 | return res; | |
3524 | } | |
92a42be0 SL |
3525 | #define INIT_ETHER_NTOA_ATON \ |
3526 | COMMON_INTERCEPT_FUNCTION(ether_ntoa); \ | |
3527 | COMMON_INTERCEPT_FUNCTION(ether_aton); | |
3528 | #else | |
3529 | #define INIT_ETHER_NTOA_ATON | |
3530 | #endif | |
3531 | ||
3532 | #if SANITIZER_INTERCEPT_ETHER_HOST | |
1a4d82fc JJ |
3533 | INTERCEPTOR(int, ether_ntohost, char *hostname, __sanitizer_ether_addr *addr) { |
3534 | void *ctx; | |
3535 | COMMON_INTERCEPTOR_ENTER(ctx, ether_ntohost, hostname, addr); | |
3536 | if (addr) COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, sizeof(*addr)); | |
92a42be0 SL |
3537 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3538 | // its metadata. See | |
3539 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3540 | int res = REAL(ether_ntohost)(hostname, addr); |
3541 | if (!res && hostname) | |
3542 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, hostname, REAL(strlen)(hostname) + 1); | |
3543 | return res; | |
3544 | } | |
3545 | INTERCEPTOR(int, ether_hostton, char *hostname, __sanitizer_ether_addr *addr) { | |
3546 | void *ctx; | |
3547 | COMMON_INTERCEPTOR_ENTER(ctx, ether_hostton, hostname, addr); | |
3548 | if (hostname) | |
3549 | COMMON_INTERCEPTOR_READ_RANGE(ctx, hostname, REAL(strlen)(hostname) + 1); | |
92a42be0 SL |
3550 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3551 | // its metadata. See | |
3552 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3553 | int res = REAL(ether_hostton)(hostname, addr); |
3554 | if (!res && addr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, sizeof(*addr)); | |
3555 | return res; | |
3556 | } | |
3557 | INTERCEPTOR(int, ether_line, char *line, __sanitizer_ether_addr *addr, | |
3558 | char *hostname) { | |
3559 | void *ctx; | |
3560 | COMMON_INTERCEPTOR_ENTER(ctx, ether_line, line, addr, hostname); | |
3561 | if (line) COMMON_INTERCEPTOR_READ_RANGE(ctx, line, REAL(strlen)(line) + 1); | |
92a42be0 SL |
3562 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3563 | // its metadata. See | |
3564 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3565 | int res = REAL(ether_line)(line, addr, hostname); |
3566 | if (!res) { | |
3567 | if (addr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, sizeof(*addr)); | |
3568 | if (hostname) | |
3569 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, hostname, REAL(strlen)(hostname) + 1); | |
3570 | } | |
3571 | return res; | |
3572 | } | |
92a42be0 | 3573 | #define INIT_ETHER_HOST \ |
1a4d82fc JJ |
3574 | COMMON_INTERCEPT_FUNCTION(ether_ntohost); \ |
3575 | COMMON_INTERCEPT_FUNCTION(ether_hostton); \ | |
3576 | COMMON_INTERCEPT_FUNCTION(ether_line); | |
3577 | #else | |
92a42be0 | 3578 | #define INIT_ETHER_HOST |
1a4d82fc JJ |
3579 | #endif |
3580 | ||
3581 | #if SANITIZER_INTERCEPT_ETHER_R | |
3582 | INTERCEPTOR(char *, ether_ntoa_r, __sanitizer_ether_addr *addr, char *buf) { | |
3583 | void *ctx; | |
3584 | COMMON_INTERCEPTOR_ENTER(ctx, ether_ntoa_r, addr, buf); | |
3585 | if (addr) COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, sizeof(*addr)); | |
92a42be0 SL |
3586 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3587 | // its metadata. See | |
3588 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3589 | char *res = REAL(ether_ntoa_r)(addr, buf); |
3590 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
3591 | return res; | |
3592 | } | |
3593 | INTERCEPTOR(__sanitizer_ether_addr *, ether_aton_r, char *buf, | |
3594 | __sanitizer_ether_addr *addr) { | |
3595 | void *ctx; | |
3596 | COMMON_INTERCEPTOR_ENTER(ctx, ether_aton_r, buf, addr); | |
3597 | if (buf) COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, REAL(strlen)(buf) + 1); | |
92a42be0 SL |
3598 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3599 | // its metadata. See | |
3600 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3601 | __sanitizer_ether_addr *res = REAL(ether_aton_r)(buf, addr); |
3602 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, sizeof(*res)); | |
3603 | return res; | |
3604 | } | |
3605 | #define INIT_ETHER_R \ | |
3606 | COMMON_INTERCEPT_FUNCTION(ether_ntoa_r); \ | |
3607 | COMMON_INTERCEPT_FUNCTION(ether_aton_r); | |
3608 | #else | |
3609 | #define INIT_ETHER_R | |
3610 | #endif | |
3611 | ||
3612 | #if SANITIZER_INTERCEPT_SHMCTL | |
3613 | INTERCEPTOR(int, shmctl, int shmid, int cmd, void *buf) { | |
3614 | void *ctx; | |
3615 | COMMON_INTERCEPTOR_ENTER(ctx, shmctl, shmid, cmd, buf); | |
92a42be0 SL |
3616 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3617 | // its metadata. See | |
3618 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3619 | int res = REAL(shmctl)(shmid, cmd, buf); |
3620 | if (res >= 0) { | |
3621 | unsigned sz = 0; | |
3622 | if (cmd == shmctl_ipc_stat || cmd == shmctl_shm_stat) | |
3623 | sz = sizeof(__sanitizer_shmid_ds); | |
3624 | else if (cmd == shmctl_ipc_info) | |
3625 | sz = struct_shminfo_sz; | |
3626 | else if (cmd == shmctl_shm_info) | |
3627 | sz = struct_shm_info_sz; | |
3628 | if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, sz); | |
3629 | } | |
3630 | return res; | |
3631 | } | |
3632 | #define INIT_SHMCTL COMMON_INTERCEPT_FUNCTION(shmctl); | |
3633 | #else | |
3634 | #define INIT_SHMCTL | |
3635 | #endif | |
3636 | ||
3637 | #if SANITIZER_INTERCEPT_RANDOM_R | |
3638 | INTERCEPTOR(int, random_r, void *buf, u32 *result) { | |
3639 | void *ctx; | |
3640 | COMMON_INTERCEPTOR_ENTER(ctx, random_r, buf, result); | |
92a42be0 SL |
3641 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3642 | // its metadata. See | |
3643 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3644 | int res = REAL(random_r)(buf, result); |
3645 | if (!res && result) | |
3646 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
3647 | return res; | |
3648 | } | |
3649 | #define INIT_RANDOM_R COMMON_INTERCEPT_FUNCTION(random_r); | |
3650 | #else | |
3651 | #define INIT_RANDOM_R | |
3652 | #endif | |
3653 | ||
92a42be0 SL |
3654 | // FIXME: under ASan the REAL() call below may write to freed memory and corrupt |
3655 | // its metadata. See | |
3656 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
3657 | #if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET || \ | |
3658 | SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSSCHED || \ | |
3659 | SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GET || \ | |
3660 | SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GET || \ | |
3661 | SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GET || \ | |
3662 | SANITIZER_INTERCEPT_PTHREAD_BARRIERATTR_GET | |
3663 | #define INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(fn, sz) \ | |
3664 | INTERCEPTOR(int, fn, void *attr, void *r) { \ | |
3665 | void *ctx; \ | |
3666 | COMMON_INTERCEPTOR_ENTER(ctx, fn, attr, r); \ | |
3667 | int res = REAL(fn)(attr, r); \ | |
3668 | if (!res && r) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, r, sz); \ | |
3669 | return res; \ | |
1a4d82fc | 3670 | } |
92a42be0 SL |
3671 | #define INTERCEPTOR_PTHREAD_ATTR_GET(what, sz) \ |
3672 | INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_attr_get##what, sz) | |
3673 | #define INTERCEPTOR_PTHREAD_MUTEXATTR_GET(what, sz) \ | |
3674 | INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_mutexattr_get##what, sz) | |
3675 | #define INTERCEPTOR_PTHREAD_RWLOCKATTR_GET(what, sz) \ | |
3676 | INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_rwlockattr_get##what, sz) | |
3677 | #define INTERCEPTOR_PTHREAD_CONDATTR_GET(what, sz) \ | |
3678 | INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_condattr_get##what, sz) | |
3679 | #define INTERCEPTOR_PTHREAD_BARRIERATTR_GET(what, sz) \ | |
3680 | INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_barrierattr_get##what, sz) | |
1a4d82fc JJ |
3681 | #endif |
3682 | ||
3683 | #if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET | |
3684 | INTERCEPTOR_PTHREAD_ATTR_GET(detachstate, sizeof(int)) | |
3685 | INTERCEPTOR_PTHREAD_ATTR_GET(guardsize, sizeof(SIZE_T)) | |
3686 | INTERCEPTOR_PTHREAD_ATTR_GET(schedparam, struct_sched_param_sz) | |
3687 | INTERCEPTOR_PTHREAD_ATTR_GET(schedpolicy, sizeof(int)) | |
3688 | INTERCEPTOR_PTHREAD_ATTR_GET(scope, sizeof(int)) | |
3689 | INTERCEPTOR_PTHREAD_ATTR_GET(stacksize, sizeof(SIZE_T)) | |
3690 | INTERCEPTOR(int, pthread_attr_getstack, void *attr, void **addr, SIZE_T *size) { | |
3691 | void *ctx; | |
3692 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_attr_getstack, attr, addr, size); | |
92a42be0 SL |
3693 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3694 | // its metadata. See | |
3695 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3696 | int res = REAL(pthread_attr_getstack)(attr, addr, size); |
3697 | if (!res) { | |
3698 | if (addr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, sizeof(*addr)); | |
3699 | if (size) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, size, sizeof(*size)); | |
3700 | } | |
3701 | return res; | |
3702 | } | |
3703 | ||
3704 | // We may need to call the real pthread_attr_getstack from the run-time | |
3705 | // in sanitizer_common, but we don't want to include the interception headers | |
3706 | // there. So, just define this function here. | |
3707 | namespace __sanitizer { | |
3708 | extern "C" { | |
3709 | int real_pthread_attr_getstack(void *attr, void **addr, SIZE_T *size) { | |
3710 | return REAL(pthread_attr_getstack)(attr, addr, size); | |
3711 | } | |
3712 | } // extern "C" | |
3713 | } // namespace __sanitizer | |
3714 | ||
3715 | #define INIT_PTHREAD_ATTR_GET \ | |
3716 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getdetachstate); \ | |
3717 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getguardsize); \ | |
3718 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getschedparam); \ | |
3719 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getschedpolicy); \ | |
3720 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getscope); \ | |
3721 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getstacksize); \ | |
3722 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getstack); | |
3723 | #else | |
3724 | #define INIT_PTHREAD_ATTR_GET | |
3725 | #endif | |
3726 | ||
3727 | #if SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSCHED | |
3728 | INTERCEPTOR_PTHREAD_ATTR_GET(inheritsched, sizeof(int)) | |
3729 | ||
3730 | #define INIT_PTHREAD_ATTR_GETINHERITSCHED \ | |
3731 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getinheritsched); | |
3732 | #else | |
3733 | #define INIT_PTHREAD_ATTR_GETINHERITSCHED | |
3734 | #endif | |
3735 | ||
3736 | #if SANITIZER_INTERCEPT_PTHREAD_ATTR_GETAFFINITY_NP | |
3737 | INTERCEPTOR(int, pthread_attr_getaffinity_np, void *attr, SIZE_T cpusetsize, | |
3738 | void *cpuset) { | |
3739 | void *ctx; | |
3740 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_attr_getaffinity_np, attr, cpusetsize, | |
3741 | cpuset); | |
92a42be0 SL |
3742 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3743 | // its metadata. See | |
3744 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3745 | int res = REAL(pthread_attr_getaffinity_np)(attr, cpusetsize, cpuset); |
3746 | if (!res && cpusetsize && cpuset) | |
3747 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cpuset, cpusetsize); | |
3748 | return res; | |
3749 | } | |
3750 | ||
3751 | #define INIT_PTHREAD_ATTR_GETAFFINITY_NP \ | |
3752 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getaffinity_np); | |
3753 | #else | |
3754 | #define INIT_PTHREAD_ATTR_GETAFFINITY_NP | |
3755 | #endif | |
3756 | ||
92a42be0 SL |
3757 | #if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPSHARED |
3758 | INTERCEPTOR_PTHREAD_MUTEXATTR_GET(pshared, sizeof(int)) | |
3759 | #define INIT_PTHREAD_MUTEXATTR_GETPSHARED \ | |
3760 | COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getpshared); | |
3761 | #else | |
3762 | #define INIT_PTHREAD_MUTEXATTR_GETPSHARED | |
3763 | #endif | |
3764 | ||
3765 | #if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETTYPE | |
3766 | INTERCEPTOR_PTHREAD_MUTEXATTR_GET(type, sizeof(int)) | |
3767 | #define INIT_PTHREAD_MUTEXATTR_GETTYPE \ | |
3768 | COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_gettype); | |
3769 | #else | |
3770 | #define INIT_PTHREAD_MUTEXATTR_GETTYPE | |
3771 | #endif | |
3772 | ||
3773 | #if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPROTOCOL | |
3774 | INTERCEPTOR_PTHREAD_MUTEXATTR_GET(protocol, sizeof(int)) | |
3775 | #define INIT_PTHREAD_MUTEXATTR_GETPROTOCOL \ | |
3776 | COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getprotocol); | |
3777 | #else | |
3778 | #define INIT_PTHREAD_MUTEXATTR_GETPROTOCOL | |
3779 | #endif | |
3780 | ||
3781 | #if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPRIOCEILING | |
3782 | INTERCEPTOR_PTHREAD_MUTEXATTR_GET(prioceiling, sizeof(int)) | |
3783 | #define INIT_PTHREAD_MUTEXATTR_GETPRIOCEILING \ | |
3784 | COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getprioceiling); | |
3785 | #else | |
3786 | #define INIT_PTHREAD_MUTEXATTR_GETPRIOCEILING | |
3787 | #endif | |
3788 | ||
3789 | #if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETROBUST | |
3790 | INTERCEPTOR_PTHREAD_MUTEXATTR_GET(robust, sizeof(int)) | |
3791 | #define INIT_PTHREAD_MUTEXATTR_GETROBUST \ | |
3792 | COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getrobust); | |
3793 | #else | |
3794 | #define INIT_PTHREAD_MUTEXATTR_GETROBUST | |
3795 | #endif | |
3796 | ||
3797 | #if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETROBUST_NP | |
3798 | INTERCEPTOR_PTHREAD_MUTEXATTR_GET(robust_np, sizeof(int)) | |
3799 | #define INIT_PTHREAD_MUTEXATTR_GETROBUST_NP \ | |
3800 | COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getrobust_np); | |
3801 | #else | |
3802 | #define INIT_PTHREAD_MUTEXATTR_GETROBUST_NP | |
3803 | #endif | |
3804 | ||
3805 | #if SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GETPSHARED | |
3806 | INTERCEPTOR_PTHREAD_RWLOCKATTR_GET(pshared, sizeof(int)) | |
3807 | #define INIT_PTHREAD_RWLOCKATTR_GETPSHARED \ | |
3808 | COMMON_INTERCEPT_FUNCTION(pthread_rwlockattr_getpshared); | |
3809 | #else | |
3810 | #define INIT_PTHREAD_RWLOCKATTR_GETPSHARED | |
3811 | #endif | |
3812 | ||
3813 | #if SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GETKIND_NP | |
3814 | INTERCEPTOR_PTHREAD_RWLOCKATTR_GET(kind_np, sizeof(int)) | |
3815 | #define INIT_PTHREAD_RWLOCKATTR_GETKIND_NP \ | |
3816 | COMMON_INTERCEPT_FUNCTION(pthread_rwlockattr_getkind_np); | |
3817 | #else | |
3818 | #define INIT_PTHREAD_RWLOCKATTR_GETKIND_NP | |
3819 | #endif | |
3820 | ||
3821 | #if SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GETPSHARED | |
3822 | INTERCEPTOR_PTHREAD_CONDATTR_GET(pshared, sizeof(int)) | |
3823 | #define INIT_PTHREAD_CONDATTR_GETPSHARED \ | |
3824 | COMMON_INTERCEPT_FUNCTION(pthread_condattr_getpshared); | |
3825 | #else | |
3826 | #define INIT_PTHREAD_CONDATTR_GETPSHARED | |
3827 | #endif | |
3828 | ||
3829 | #if SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GETCLOCK | |
3830 | INTERCEPTOR_PTHREAD_CONDATTR_GET(clock, sizeof(int)) | |
3831 | #define INIT_PTHREAD_CONDATTR_GETCLOCK \ | |
3832 | COMMON_INTERCEPT_FUNCTION(pthread_condattr_getclock); | |
3833 | #else | |
3834 | #define INIT_PTHREAD_CONDATTR_GETCLOCK | |
3835 | #endif | |
3836 | ||
3837 | #if SANITIZER_INTERCEPT_PTHREAD_BARRIERATTR_GETPSHARED | |
3838 | INTERCEPTOR_PTHREAD_BARRIERATTR_GET(pshared, sizeof(int)) // !mac !android | |
3839 | #define INIT_PTHREAD_BARRIERATTR_GETPSHARED \ | |
3840 | COMMON_INTERCEPT_FUNCTION(pthread_barrierattr_getpshared); | |
3841 | #else | |
3842 | #define INIT_PTHREAD_BARRIERATTR_GETPSHARED | |
3843 | #endif | |
3844 | ||
1a4d82fc JJ |
3845 | #if SANITIZER_INTERCEPT_TMPNAM |
3846 | INTERCEPTOR(char *, tmpnam, char *s) { | |
3847 | void *ctx; | |
3848 | COMMON_INTERCEPTOR_ENTER(ctx, tmpnam, s); | |
3849 | char *res = REAL(tmpnam)(s); | |
3850 | if (res) { | |
3851 | if (s) | |
92a42be0 SL |
3852 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3853 | // its metadata. See | |
3854 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3855 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, s, REAL(strlen)(s) + 1); |
3856 | else | |
3857 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res) + 1); | |
3858 | } | |
3859 | return res; | |
3860 | } | |
3861 | #define INIT_TMPNAM COMMON_INTERCEPT_FUNCTION(tmpnam); | |
3862 | #else | |
3863 | #define INIT_TMPNAM | |
3864 | #endif | |
3865 | ||
3866 | #if SANITIZER_INTERCEPT_TMPNAM_R | |
3867 | INTERCEPTOR(char *, tmpnam_r, char *s) { | |
3868 | void *ctx; | |
3869 | COMMON_INTERCEPTOR_ENTER(ctx, tmpnam_r, s); | |
92a42be0 SL |
3870 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3871 | // its metadata. See | |
3872 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3873 | char *res = REAL(tmpnam_r)(s); |
3874 | if (res && s) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, s, REAL(strlen)(s) + 1); | |
3875 | return res; | |
3876 | } | |
3877 | #define INIT_TMPNAM_R COMMON_INTERCEPT_FUNCTION(tmpnam_r); | |
3878 | #else | |
3879 | #define INIT_TMPNAM_R | |
3880 | #endif | |
3881 | ||
3882 | #if SANITIZER_INTERCEPT_TEMPNAM | |
3883 | INTERCEPTOR(char *, tempnam, char *dir, char *pfx) { | |
3884 | void *ctx; | |
3885 | COMMON_INTERCEPTOR_ENTER(ctx, tempnam, dir, pfx); | |
3886 | if (dir) COMMON_INTERCEPTOR_READ_RANGE(ctx, dir, REAL(strlen)(dir) + 1); | |
3887 | if (pfx) COMMON_INTERCEPTOR_READ_RANGE(ctx, pfx, REAL(strlen)(pfx) + 1); | |
3888 | char *res = REAL(tempnam)(dir, pfx); | |
3889 | if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res) + 1); | |
3890 | return res; | |
3891 | } | |
3892 | #define INIT_TEMPNAM COMMON_INTERCEPT_FUNCTION(tempnam); | |
3893 | #else | |
3894 | #define INIT_TEMPNAM | |
3895 | #endif | |
3896 | ||
3897 | #if SANITIZER_INTERCEPT_PTHREAD_SETNAME_NP | |
3898 | INTERCEPTOR(int, pthread_setname_np, uptr thread, const char *name) { | |
3899 | void *ctx; | |
3900 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_setname_np, thread, name); | |
92a42be0 | 3901 | COMMON_INTERCEPTOR_READ_STRING(ctx, name, 0); |
1a4d82fc JJ |
3902 | COMMON_INTERCEPTOR_SET_PTHREAD_NAME(ctx, thread, name); |
3903 | return REAL(pthread_setname_np)(thread, name); | |
3904 | } | |
3905 | #define INIT_PTHREAD_SETNAME_NP COMMON_INTERCEPT_FUNCTION(pthread_setname_np); | |
3906 | #else | |
3907 | #define INIT_PTHREAD_SETNAME_NP | |
3908 | #endif | |
3909 | ||
3910 | #if SANITIZER_INTERCEPT_SINCOS | |
3911 | INTERCEPTOR(void, sincos, double x, double *sin, double *cos) { | |
3912 | void *ctx; | |
3913 | COMMON_INTERCEPTOR_ENTER(ctx, sincos, x, sin, cos); | |
92a42be0 SL |
3914 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3915 | // its metadata. See | |
3916 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3917 | REAL(sincos)(x, sin, cos); |
3918 | if (sin) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sin, sizeof(*sin)); | |
3919 | if (cos) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cos, sizeof(*cos)); | |
3920 | } | |
3921 | INTERCEPTOR(void, sincosf, float x, float *sin, float *cos) { | |
3922 | void *ctx; | |
3923 | COMMON_INTERCEPTOR_ENTER(ctx, sincosf, x, sin, cos); | |
92a42be0 SL |
3924 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3925 | // its metadata. See | |
3926 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3927 | REAL(sincosf)(x, sin, cos); |
3928 | if (sin) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sin, sizeof(*sin)); | |
3929 | if (cos) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cos, sizeof(*cos)); | |
3930 | } | |
3931 | INTERCEPTOR(void, sincosl, long double x, long double *sin, long double *cos) { | |
3932 | void *ctx; | |
3933 | COMMON_INTERCEPTOR_ENTER(ctx, sincosl, x, sin, cos); | |
92a42be0 SL |
3934 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3935 | // its metadata. See | |
3936 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3937 | REAL(sincosl)(x, sin, cos); |
3938 | if (sin) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sin, sizeof(*sin)); | |
3939 | if (cos) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cos, sizeof(*cos)); | |
3940 | } | |
3941 | #define INIT_SINCOS \ | |
3942 | COMMON_INTERCEPT_FUNCTION(sincos); \ | |
3943 | COMMON_INTERCEPT_FUNCTION(sincosf); \ | |
3944 | COMMON_INTERCEPT_FUNCTION(sincosl); | |
3945 | #else | |
3946 | #define INIT_SINCOS | |
3947 | #endif | |
3948 | ||
3949 | #if SANITIZER_INTERCEPT_REMQUO | |
3950 | INTERCEPTOR(double, remquo, double x, double y, int *quo) { | |
3951 | void *ctx; | |
3952 | COMMON_INTERCEPTOR_ENTER(ctx, remquo, x, y, quo); | |
92a42be0 SL |
3953 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3954 | // its metadata. See | |
3955 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3956 | double res = REAL(remquo)(x, y, quo); |
3957 | if (quo) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, quo, sizeof(*quo)); | |
3958 | return res; | |
3959 | } | |
3960 | INTERCEPTOR(float, remquof, float x, float y, int *quo) { | |
3961 | void *ctx; | |
3962 | COMMON_INTERCEPTOR_ENTER(ctx, remquof, x, y, quo); | |
92a42be0 SL |
3963 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3964 | // its metadata. See | |
3965 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3966 | float res = REAL(remquof)(x, y, quo); |
3967 | if (quo) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, quo, sizeof(*quo)); | |
3968 | return res; | |
3969 | } | |
3970 | INTERCEPTOR(long double, remquol, long double x, long double y, int *quo) { | |
3971 | void *ctx; | |
3972 | COMMON_INTERCEPTOR_ENTER(ctx, remquol, x, y, quo); | |
92a42be0 SL |
3973 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3974 | // its metadata. See | |
3975 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
3976 | long double res = REAL(remquol)(x, y, quo); |
3977 | if (quo) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, quo, sizeof(*quo)); | |
3978 | return res; | |
3979 | } | |
3980 | #define INIT_REMQUO \ | |
3981 | COMMON_INTERCEPT_FUNCTION(remquo); \ | |
3982 | COMMON_INTERCEPT_FUNCTION(remquof); \ | |
3983 | COMMON_INTERCEPT_FUNCTION(remquol); | |
3984 | #else | |
3985 | #define INIT_REMQUO | |
3986 | #endif | |
3987 | ||
3988 | #if SANITIZER_INTERCEPT_LGAMMA | |
3989 | extern int signgam; | |
3990 | INTERCEPTOR(double, lgamma, double x) { | |
3991 | void *ctx; | |
3992 | COMMON_INTERCEPTOR_ENTER(ctx, lgamma, x); | |
3993 | double res = REAL(lgamma)(x); | |
3994 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &signgam, sizeof(signgam)); | |
3995 | return res; | |
3996 | } | |
3997 | INTERCEPTOR(float, lgammaf, float x) { | |
3998 | void *ctx; | |
3999 | COMMON_INTERCEPTOR_ENTER(ctx, lgammaf, x); | |
4000 | float res = REAL(lgammaf)(x); | |
4001 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &signgam, sizeof(signgam)); | |
4002 | return res; | |
4003 | } | |
4004 | INTERCEPTOR(long double, lgammal, long double x) { | |
4005 | void *ctx; | |
4006 | COMMON_INTERCEPTOR_ENTER(ctx, lgammal, x); | |
4007 | long double res = REAL(lgammal)(x); | |
4008 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &signgam, sizeof(signgam)); | |
4009 | return res; | |
4010 | } | |
4011 | #define INIT_LGAMMA \ | |
4012 | COMMON_INTERCEPT_FUNCTION(lgamma); \ | |
4013 | COMMON_INTERCEPT_FUNCTION(lgammaf); \ | |
4014 | COMMON_INTERCEPT_FUNCTION(lgammal); | |
4015 | #else | |
4016 | #define INIT_LGAMMA | |
4017 | #endif | |
4018 | ||
4019 | #if SANITIZER_INTERCEPT_LGAMMA_R | |
4020 | INTERCEPTOR(double, lgamma_r, double x, int *signp) { | |
4021 | void *ctx; | |
4022 | COMMON_INTERCEPTOR_ENTER(ctx, lgamma_r, x, signp); | |
92a42be0 SL |
4023 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4024 | // its metadata. See | |
4025 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4026 | double res = REAL(lgamma_r)(x, signp); |
4027 | if (signp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, signp, sizeof(*signp)); | |
4028 | return res; | |
4029 | } | |
4030 | INTERCEPTOR(float, lgammaf_r, float x, int *signp) { | |
4031 | void *ctx; | |
4032 | COMMON_INTERCEPTOR_ENTER(ctx, lgammaf_r, x, signp); | |
92a42be0 SL |
4033 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4034 | // its metadata. See | |
4035 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4036 | float res = REAL(lgammaf_r)(x, signp); |
4037 | if (signp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, signp, sizeof(*signp)); | |
4038 | return res; | |
4039 | } | |
92a42be0 SL |
4040 | #define INIT_LGAMMA_R \ |
4041 | COMMON_INTERCEPT_FUNCTION(lgamma_r); \ | |
4042 | COMMON_INTERCEPT_FUNCTION(lgammaf_r); | |
4043 | #else | |
4044 | #define INIT_LGAMMA_R | |
4045 | #endif | |
4046 | ||
4047 | #if SANITIZER_INTERCEPT_LGAMMAL_R | |
1a4d82fc JJ |
4048 | INTERCEPTOR(long double, lgammal_r, long double x, int *signp) { |
4049 | void *ctx; | |
4050 | COMMON_INTERCEPTOR_ENTER(ctx, lgammal_r, x, signp); | |
92a42be0 SL |
4051 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4052 | // its metadata. See | |
4053 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4054 | long double res = REAL(lgammal_r)(x, signp); |
4055 | if (signp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, signp, sizeof(*signp)); | |
4056 | return res; | |
4057 | } | |
92a42be0 | 4058 | #define INIT_LGAMMAL_R COMMON_INTERCEPT_FUNCTION(lgammal_r); |
1a4d82fc | 4059 | #else |
92a42be0 | 4060 | #define INIT_LGAMMAL_R |
1a4d82fc JJ |
4061 | #endif |
4062 | ||
4063 | #if SANITIZER_INTERCEPT_DRAND48_R | |
4064 | INTERCEPTOR(int, drand48_r, void *buffer, double *result) { | |
4065 | void *ctx; | |
4066 | COMMON_INTERCEPTOR_ENTER(ctx, drand48_r, buffer, result); | |
92a42be0 SL |
4067 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4068 | // its metadata. See | |
4069 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4070 | int res = REAL(drand48_r)(buffer, result); |
4071 | if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
4072 | return res; | |
4073 | } | |
4074 | INTERCEPTOR(int, lrand48_r, void *buffer, long *result) { | |
4075 | void *ctx; | |
4076 | COMMON_INTERCEPTOR_ENTER(ctx, lrand48_r, buffer, result); | |
92a42be0 SL |
4077 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4078 | // its metadata. See | |
4079 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4080 | int res = REAL(lrand48_r)(buffer, result); |
4081 | if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
4082 | return res; | |
4083 | } | |
4084 | #define INIT_DRAND48_R \ | |
4085 | COMMON_INTERCEPT_FUNCTION(drand48_r); \ | |
4086 | COMMON_INTERCEPT_FUNCTION(lrand48_r); | |
4087 | #else | |
4088 | #define INIT_DRAND48_R | |
4089 | #endif | |
4090 | ||
4091 | #if SANITIZER_INTERCEPT_RAND_R | |
4092 | INTERCEPTOR(int, rand_r, unsigned *seedp) { | |
4093 | void *ctx; | |
4094 | COMMON_INTERCEPTOR_ENTER(ctx, rand_r, seedp); | |
4095 | COMMON_INTERCEPTOR_READ_RANGE(ctx, seedp, sizeof(*seedp)); | |
4096 | return REAL(rand_r)(seedp); | |
4097 | } | |
4098 | #define INIT_RAND_R COMMON_INTERCEPT_FUNCTION(rand_r); | |
4099 | #else | |
4100 | #define INIT_RAND_R | |
4101 | #endif | |
4102 | ||
4103 | #if SANITIZER_INTERCEPT_GETLINE | |
4104 | INTERCEPTOR(SSIZE_T, getline, char **lineptr, SIZE_T *n, void *stream) { | |
4105 | void *ctx; | |
4106 | COMMON_INTERCEPTOR_ENTER(ctx, getline, lineptr, n, stream); | |
92a42be0 SL |
4107 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4108 | // its metadata. See | |
4109 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4110 | SSIZE_T res = REAL(getline)(lineptr, n, stream); |
4111 | if (res > 0) { | |
4112 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lineptr, sizeof(*lineptr)); | |
4113 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n)); | |
4114 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *lineptr, res + 1); | |
4115 | } | |
4116 | return res; | |
4117 | } | |
92a42be0 SL |
4118 | |
4119 | // FIXME: under ASan the call below may write to freed memory and corrupt its | |
4120 | // metadata. See | |
4121 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
4122 | #define GETDELIM_INTERCEPTOR_IMPL(vname) \ | |
4123 | { \ | |
4124 | void *ctx; \ | |
4125 | COMMON_INTERCEPTOR_ENTER(ctx, vname, lineptr, n, delim, stream); \ | |
4126 | SSIZE_T res = REAL(vname)(lineptr, n, delim, stream); \ | |
4127 | if (res > 0) { \ | |
4128 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lineptr, sizeof(*lineptr)); \ | |
4129 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n)); \ | |
4130 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *lineptr, res + 1); \ | |
4131 | } \ | |
4132 | return res; \ | |
1a4d82fc | 4133 | } |
92a42be0 SL |
4134 | |
4135 | INTERCEPTOR(SSIZE_T, __getdelim, char **lineptr, SIZE_T *n, int delim, | |
4136 | void *stream) | |
4137 | GETDELIM_INTERCEPTOR_IMPL(__getdelim) | |
4138 | ||
4139 | // There's no __getdelim() on FreeBSD so we supply the getdelim() interceptor | |
4140 | // with its own body. | |
4141 | INTERCEPTOR(SSIZE_T, getdelim, char **lineptr, SIZE_T *n, int delim, | |
4142 | void *stream) | |
4143 | GETDELIM_INTERCEPTOR_IMPL(getdelim) | |
4144 | ||
4145 | #define INIT_GETLINE \ | |
4146 | COMMON_INTERCEPT_FUNCTION(getline); \ | |
4147 | COMMON_INTERCEPT_FUNCTION(__getdelim); \ | |
1a4d82fc JJ |
4148 | COMMON_INTERCEPT_FUNCTION(getdelim); |
4149 | #else | |
4150 | #define INIT_GETLINE | |
4151 | #endif | |
4152 | ||
4153 | #if SANITIZER_INTERCEPT_ICONV | |
4154 | INTERCEPTOR(SIZE_T, iconv, void *cd, char **inbuf, SIZE_T *inbytesleft, | |
4155 | char **outbuf, SIZE_T *outbytesleft) { | |
4156 | void *ctx; | |
4157 | COMMON_INTERCEPTOR_ENTER(ctx, iconv, cd, inbuf, inbytesleft, outbuf, | |
4158 | outbytesleft); | |
4159 | if (inbytesleft) | |
4160 | COMMON_INTERCEPTOR_READ_RANGE(ctx, inbytesleft, sizeof(*inbytesleft)); | |
4161 | if (inbuf && inbytesleft) | |
4162 | COMMON_INTERCEPTOR_READ_RANGE(ctx, *inbuf, *inbytesleft); | |
4163 | if (outbytesleft) | |
4164 | COMMON_INTERCEPTOR_READ_RANGE(ctx, outbytesleft, sizeof(*outbytesleft)); | |
92a42be0 SL |
4165 | void *outbuf_orig = outbuf ? *outbuf : nullptr; |
4166 | // FIXME: under ASan the call below may write to freed memory and corrupt | |
4167 | // its metadata. See | |
4168 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4169 | SIZE_T res = REAL(iconv)(cd, inbuf, inbytesleft, outbuf, outbytesleft); |
4170 | if (res != (SIZE_T) - 1 && outbuf && *outbuf > outbuf_orig) { | |
4171 | SIZE_T sz = (char *)*outbuf - (char *)outbuf_orig; | |
4172 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, outbuf_orig, sz); | |
4173 | } | |
4174 | return res; | |
4175 | } | |
4176 | #define INIT_ICONV COMMON_INTERCEPT_FUNCTION(iconv); | |
4177 | #else | |
4178 | #define INIT_ICONV | |
4179 | #endif | |
4180 | ||
4181 | #if SANITIZER_INTERCEPT_TIMES | |
4182 | INTERCEPTOR(__sanitizer_clock_t, times, void *tms) { | |
4183 | void *ctx; | |
4184 | COMMON_INTERCEPTOR_ENTER(ctx, times, tms); | |
92a42be0 SL |
4185 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4186 | // its metadata. See | |
4187 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4188 | __sanitizer_clock_t res = REAL(times)(tms); |
4189 | if (res != (__sanitizer_clock_t)-1 && tms) | |
4190 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tms, struct_tms_sz); | |
4191 | return res; | |
4192 | } | |
4193 | #define INIT_TIMES COMMON_INTERCEPT_FUNCTION(times); | |
4194 | #else | |
4195 | #define INIT_TIMES | |
4196 | #endif | |
4197 | ||
4198 | #if SANITIZER_INTERCEPT_TLS_GET_ADDR | |
4199 | #define INIT_TLS_GET_ADDR COMMON_INTERCEPT_FUNCTION(__tls_get_addr) | |
92a42be0 SL |
4200 | // If you see any crashes around this functions, there are 2 known issues with |
4201 | // it: 1. __tls_get_addr can be called with mis-aligned stack due to: | |
4202 | // https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58066 | |
4203 | // 2. It can be called recursively if sanitizer code uses __tls_get_addr | |
4204 | // to access thread local variables (it should not happen normally, | |
4205 | // because sanitizers use initial-exec tls model). | |
1a4d82fc JJ |
4206 | INTERCEPTOR(void *, __tls_get_addr, void *arg) { |
4207 | void *ctx; | |
4208 | COMMON_INTERCEPTOR_ENTER(ctx, __tls_get_addr, arg); | |
4209 | void *res = REAL(__tls_get_addr)(arg); | |
92a42be0 SL |
4210 | uptr tls_begin, tls_end; |
4211 | COMMON_INTERCEPTOR_GET_TLS_RANGE(&tls_begin, &tls_end); | |
4212 | DTLS::DTV *dtv = DTLS_on_tls_get_addr(arg, res, tls_begin, tls_end); | |
4213 | if (dtv) { | |
4214 | // New DTLS block has been allocated. | |
4215 | COMMON_INTERCEPTOR_INITIALIZE_RANGE((void *)dtv->beg, dtv->size); | |
4216 | } | |
1a4d82fc JJ |
4217 | return res; |
4218 | } | |
4219 | #else | |
4220 | #define INIT_TLS_GET_ADDR | |
4221 | #endif | |
4222 | ||
4223 | #if SANITIZER_INTERCEPT_LISTXATTR | |
4224 | INTERCEPTOR(SSIZE_T, listxattr, const char *path, char *list, SIZE_T size) { | |
4225 | void *ctx; | |
4226 | COMMON_INTERCEPTOR_ENTER(ctx, listxattr, path, list, size); | |
4227 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
92a42be0 SL |
4228 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4229 | // its metadata. See | |
4230 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4231 | SSIZE_T res = REAL(listxattr)(path, list, size); |
4232 | // Here and below, size == 0 is a special case where nothing is written to the | |
4233 | // buffer, and res contains the desired buffer size. | |
4234 | if (size && res > 0 && list) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, list, res); | |
4235 | return res; | |
4236 | } | |
4237 | INTERCEPTOR(SSIZE_T, llistxattr, const char *path, char *list, SIZE_T size) { | |
4238 | void *ctx; | |
4239 | COMMON_INTERCEPTOR_ENTER(ctx, llistxattr, path, list, size); | |
4240 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
92a42be0 SL |
4241 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4242 | // its metadata. See | |
4243 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4244 | SSIZE_T res = REAL(llistxattr)(path, list, size); |
4245 | if (size && res > 0 && list) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, list, res); | |
4246 | return res; | |
4247 | } | |
4248 | INTERCEPTOR(SSIZE_T, flistxattr, int fd, char *list, SIZE_T size) { | |
4249 | void *ctx; | |
4250 | COMMON_INTERCEPTOR_ENTER(ctx, flistxattr, fd, list, size); | |
92a42be0 SL |
4251 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4252 | // its metadata. See | |
4253 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4254 | SSIZE_T res = REAL(flistxattr)(fd, list, size); |
4255 | if (size && res > 0 && list) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, list, res); | |
4256 | return res; | |
4257 | } | |
4258 | #define INIT_LISTXATTR \ | |
4259 | COMMON_INTERCEPT_FUNCTION(listxattr); \ | |
4260 | COMMON_INTERCEPT_FUNCTION(llistxattr); \ | |
4261 | COMMON_INTERCEPT_FUNCTION(flistxattr); | |
4262 | #else | |
4263 | #define INIT_LISTXATTR | |
4264 | #endif | |
4265 | ||
4266 | #if SANITIZER_INTERCEPT_GETXATTR | |
4267 | INTERCEPTOR(SSIZE_T, getxattr, const char *path, const char *name, char *value, | |
4268 | SIZE_T size) { | |
4269 | void *ctx; | |
4270 | COMMON_INTERCEPTOR_ENTER(ctx, getxattr, path, name, value, size); | |
4271 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
4272 | if (name) COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
92a42be0 SL |
4273 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4274 | // its metadata. See | |
4275 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4276 | SSIZE_T res = REAL(getxattr)(path, name, value, size); |
4277 | if (size && res > 0 && value) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, value, res); | |
4278 | return res; | |
4279 | } | |
4280 | INTERCEPTOR(SSIZE_T, lgetxattr, const char *path, const char *name, char *value, | |
4281 | SIZE_T size) { | |
4282 | void *ctx; | |
4283 | COMMON_INTERCEPTOR_ENTER(ctx, lgetxattr, path, name, value, size); | |
4284 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
4285 | if (name) COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
92a42be0 SL |
4286 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4287 | // its metadata. See | |
4288 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4289 | SSIZE_T res = REAL(lgetxattr)(path, name, value, size); |
4290 | if (size && res > 0 && value) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, value, res); | |
4291 | return res; | |
4292 | } | |
4293 | INTERCEPTOR(SSIZE_T, fgetxattr, int fd, const char *name, char *value, | |
4294 | SIZE_T size) { | |
4295 | void *ctx; | |
4296 | COMMON_INTERCEPTOR_ENTER(ctx, fgetxattr, fd, name, value, size); | |
4297 | if (name) COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
92a42be0 SL |
4298 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4299 | // its metadata. See | |
4300 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4301 | SSIZE_T res = REAL(fgetxattr)(fd, name, value, size); |
4302 | if (size && res > 0 && value) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, value, res); | |
4303 | return res; | |
4304 | } | |
4305 | #define INIT_GETXATTR \ | |
4306 | COMMON_INTERCEPT_FUNCTION(getxattr); \ | |
4307 | COMMON_INTERCEPT_FUNCTION(lgetxattr); \ | |
4308 | COMMON_INTERCEPT_FUNCTION(fgetxattr); | |
4309 | #else | |
4310 | #define INIT_GETXATTR | |
4311 | #endif | |
4312 | ||
4313 | #if SANITIZER_INTERCEPT_GETRESID | |
4314 | INTERCEPTOR(int, getresuid, void *ruid, void *euid, void *suid) { | |
4315 | void *ctx; | |
4316 | COMMON_INTERCEPTOR_ENTER(ctx, getresuid, ruid, euid, suid); | |
92a42be0 SL |
4317 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4318 | // its metadata. See | |
4319 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4320 | int res = REAL(getresuid)(ruid, euid, suid); |
4321 | if (res >= 0) { | |
4322 | if (ruid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ruid, uid_t_sz); | |
4323 | if (euid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, euid, uid_t_sz); | |
4324 | if (suid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, suid, uid_t_sz); | |
4325 | } | |
4326 | return res; | |
4327 | } | |
4328 | INTERCEPTOR(int, getresgid, void *rgid, void *egid, void *sgid) { | |
4329 | void *ctx; | |
4330 | COMMON_INTERCEPTOR_ENTER(ctx, getresgid, rgid, egid, sgid); | |
92a42be0 SL |
4331 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4332 | // its metadata. See | |
4333 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4334 | int res = REAL(getresgid)(rgid, egid, sgid); |
4335 | if (res >= 0) { | |
4336 | if (rgid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rgid, gid_t_sz); | |
4337 | if (egid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, egid, gid_t_sz); | |
4338 | if (sgid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sgid, gid_t_sz); | |
4339 | } | |
4340 | return res; | |
4341 | } | |
4342 | #define INIT_GETRESID \ | |
4343 | COMMON_INTERCEPT_FUNCTION(getresuid); \ | |
4344 | COMMON_INTERCEPT_FUNCTION(getresgid); | |
4345 | #else | |
4346 | #define INIT_GETRESID | |
4347 | #endif | |
4348 | ||
4349 | #if SANITIZER_INTERCEPT_GETIFADDRS | |
4350 | // As long as getifaddrs()/freeifaddrs() use calloc()/free(), we don't need to | |
4351 | // intercept freeifaddrs(). If that ceases to be the case, we might need to | |
4352 | // intercept it to poison the memory again. | |
4353 | INTERCEPTOR(int, getifaddrs, __sanitizer_ifaddrs **ifap) { | |
4354 | void *ctx; | |
4355 | COMMON_INTERCEPTOR_ENTER(ctx, getifaddrs, ifap); | |
92a42be0 SL |
4356 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4357 | // its metadata. See | |
4358 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4359 | int res = REAL(getifaddrs)(ifap); |
4360 | if (res == 0 && ifap) { | |
4361 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ifap, sizeof(void *)); | |
4362 | __sanitizer_ifaddrs *p = *ifap; | |
4363 | while (p) { | |
4364 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(__sanitizer_ifaddrs)); | |
4365 | if (p->ifa_name) | |
4366 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_name, | |
4367 | REAL(strlen)(p->ifa_name) + 1); | |
4368 | if (p->ifa_addr) | |
4369 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_addr, struct_sockaddr_sz); | |
4370 | if (p->ifa_netmask) | |
4371 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_netmask, struct_sockaddr_sz); | |
4372 | // On Linux this is a union, but the other member also points to a | |
4373 | // struct sockaddr, so the following is sufficient. | |
4374 | if (p->ifa_dstaddr) | |
4375 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_dstaddr, struct_sockaddr_sz); | |
4376 | // FIXME(smatveev): Unpoison p->ifa_data as well. | |
4377 | p = p->ifa_next; | |
4378 | } | |
4379 | } | |
4380 | return res; | |
4381 | } | |
4382 | #define INIT_GETIFADDRS \ | |
4383 | COMMON_INTERCEPT_FUNCTION(getifaddrs); | |
4384 | #else | |
4385 | #define INIT_GETIFADDRS | |
4386 | #endif | |
4387 | ||
4388 | #if SANITIZER_INTERCEPT_IF_INDEXTONAME | |
4389 | INTERCEPTOR(char *, if_indextoname, unsigned int ifindex, char* ifname) { | |
4390 | void *ctx; | |
4391 | COMMON_INTERCEPTOR_ENTER(ctx, if_indextoname, ifindex, ifname); | |
92a42be0 SL |
4392 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4393 | // its metadata. See | |
4394 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4395 | char *res = REAL(if_indextoname)(ifindex, ifname); |
4396 | if (res && ifname) | |
4397 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ifname, REAL(strlen)(ifname) + 1); | |
4398 | return res; | |
4399 | } | |
4400 | INTERCEPTOR(unsigned int, if_nametoindex, const char* ifname) { | |
4401 | void *ctx; | |
4402 | COMMON_INTERCEPTOR_ENTER(ctx, if_nametoindex, ifname); | |
4403 | if (ifname) | |
4404 | COMMON_INTERCEPTOR_READ_RANGE(ctx, ifname, REAL(strlen)(ifname) + 1); | |
4405 | return REAL(if_nametoindex)(ifname); | |
4406 | } | |
4407 | #define INIT_IF_INDEXTONAME \ | |
4408 | COMMON_INTERCEPT_FUNCTION(if_indextoname); \ | |
4409 | COMMON_INTERCEPT_FUNCTION(if_nametoindex); | |
4410 | #else | |
4411 | #define INIT_IF_INDEXTONAME | |
4412 | #endif | |
4413 | ||
4414 | #if SANITIZER_INTERCEPT_CAPGET | |
4415 | INTERCEPTOR(int, capget, void *hdrp, void *datap) { | |
4416 | void *ctx; | |
4417 | COMMON_INTERCEPTOR_ENTER(ctx, capget, hdrp, datap); | |
4418 | if (hdrp) | |
4419 | COMMON_INTERCEPTOR_READ_RANGE(ctx, hdrp, __user_cap_header_struct_sz); | |
92a42be0 SL |
4420 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4421 | // its metadata. See | |
4422 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4423 | int res = REAL(capget)(hdrp, datap); |
4424 | if (res == 0 && datap) | |
4425 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, datap, __user_cap_data_struct_sz); | |
4426 | // We can also return -1 and write to hdrp->version if the version passed in | |
4427 | // hdrp->version is unsupported. But that's not a trivial condition to check, | |
4428 | // and anyway COMMON_INTERCEPTOR_READ_RANGE protects us to some extent. | |
4429 | return res; | |
4430 | } | |
4431 | INTERCEPTOR(int, capset, void *hdrp, const void *datap) { | |
4432 | void *ctx; | |
4433 | COMMON_INTERCEPTOR_ENTER(ctx, capset, hdrp, datap); | |
4434 | if (hdrp) | |
4435 | COMMON_INTERCEPTOR_READ_RANGE(ctx, hdrp, __user_cap_header_struct_sz); | |
4436 | if (datap) | |
4437 | COMMON_INTERCEPTOR_READ_RANGE(ctx, datap, __user_cap_data_struct_sz); | |
4438 | return REAL(capset)(hdrp, datap); | |
4439 | } | |
4440 | #define INIT_CAPGET \ | |
4441 | COMMON_INTERCEPT_FUNCTION(capget); \ | |
4442 | COMMON_INTERCEPT_FUNCTION(capset); | |
4443 | #else | |
4444 | #define INIT_CAPGET | |
4445 | #endif | |
4446 | ||
4447 | #if SANITIZER_INTERCEPT_AEABI_MEM | |
92a42be0 SL |
4448 | DECLARE_REAL_AND_INTERCEPTOR(void *, memmove, void *, const void *, uptr) |
4449 | DECLARE_REAL_AND_INTERCEPTOR(void *, memcpy, void *, const void *, uptr) | |
4450 | DECLARE_REAL_AND_INTERCEPTOR(void *, memset, void *, int, uptr) | |
1a4d82fc JJ |
4451 | |
4452 | INTERCEPTOR(void *, __aeabi_memmove, void *to, const void *from, uptr size) { | |
4453 | return WRAP(memmove)(to, from, size); | |
4454 | } | |
4455 | INTERCEPTOR(void *, __aeabi_memmove4, void *to, const void *from, uptr size) { | |
4456 | return WRAP(memmove)(to, from, size); | |
4457 | } | |
4458 | INTERCEPTOR(void *, __aeabi_memmove8, void *to, const void *from, uptr size) { | |
4459 | return WRAP(memmove)(to, from, size); | |
4460 | } | |
4461 | INTERCEPTOR(void *, __aeabi_memcpy, void *to, const void *from, uptr size) { | |
4462 | return WRAP(memcpy)(to, from, size); | |
4463 | } | |
4464 | INTERCEPTOR(void *, __aeabi_memcpy4, void *to, const void *from, uptr size) { | |
4465 | return WRAP(memcpy)(to, from, size); | |
4466 | } | |
4467 | INTERCEPTOR(void *, __aeabi_memcpy8, void *to, const void *from, uptr size) { | |
4468 | return WRAP(memcpy)(to, from, size); | |
4469 | } | |
4470 | // Note the argument order. | |
4471 | INTERCEPTOR(void *, __aeabi_memset, void *block, uptr size, int c) { | |
4472 | return WRAP(memset)(block, c, size); | |
4473 | } | |
4474 | INTERCEPTOR(void *, __aeabi_memset4, void *block, uptr size, int c) { | |
4475 | return WRAP(memset)(block, c, size); | |
4476 | } | |
4477 | INTERCEPTOR(void *, __aeabi_memset8, void *block, uptr size, int c) { | |
4478 | return WRAP(memset)(block, c, size); | |
4479 | } | |
4480 | INTERCEPTOR(void *, __aeabi_memclr, void *block, uptr size) { | |
4481 | return WRAP(memset)(block, 0, size); | |
4482 | } | |
4483 | INTERCEPTOR(void *, __aeabi_memclr4, void *block, uptr size) { | |
4484 | return WRAP(memset)(block, 0, size); | |
4485 | } | |
4486 | INTERCEPTOR(void *, __aeabi_memclr8, void *block, uptr size) { | |
4487 | return WRAP(memset)(block, 0, size); | |
4488 | } | |
4489 | #define INIT_AEABI_MEM \ | |
4490 | COMMON_INTERCEPT_FUNCTION(__aeabi_memmove); \ | |
4491 | COMMON_INTERCEPT_FUNCTION(__aeabi_memmove4); \ | |
4492 | COMMON_INTERCEPT_FUNCTION(__aeabi_memmove8); \ | |
4493 | COMMON_INTERCEPT_FUNCTION(__aeabi_memcpy); \ | |
4494 | COMMON_INTERCEPT_FUNCTION(__aeabi_memcpy4); \ | |
4495 | COMMON_INTERCEPT_FUNCTION(__aeabi_memcpy8); \ | |
4496 | COMMON_INTERCEPT_FUNCTION(__aeabi_memset); \ | |
4497 | COMMON_INTERCEPT_FUNCTION(__aeabi_memset4); \ | |
4498 | COMMON_INTERCEPT_FUNCTION(__aeabi_memset8); \ | |
4499 | COMMON_INTERCEPT_FUNCTION(__aeabi_memclr); \ | |
4500 | COMMON_INTERCEPT_FUNCTION(__aeabi_memclr4); \ | |
4501 | COMMON_INTERCEPT_FUNCTION(__aeabi_memclr8); | |
4502 | #else | |
4503 | #define INIT_AEABI_MEM | |
4504 | #endif // SANITIZER_INTERCEPT_AEABI_MEM | |
4505 | ||
4506 | #if SANITIZER_INTERCEPT___BZERO | |
4507 | DECLARE_REAL_AND_INTERCEPTOR(void *, memset, void *, int, uptr); | |
4508 | ||
4509 | INTERCEPTOR(void *, __bzero, void *block, uptr size) { | |
4510 | return WRAP(memset)(block, 0, size); | |
4511 | } | |
4512 | #define INIT___BZERO COMMON_INTERCEPT_FUNCTION(__bzero); | |
4513 | #else | |
4514 | #define INIT___BZERO | |
4515 | #endif // SANITIZER_INTERCEPT___BZERO | |
4516 | ||
4517 | #if SANITIZER_INTERCEPT_FTIME | |
4518 | INTERCEPTOR(int, ftime, __sanitizer_timeb *tp) { | |
4519 | void *ctx; | |
4520 | COMMON_INTERCEPTOR_ENTER(ctx, ftime, tp); | |
92a42be0 SL |
4521 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4522 | // its metadata. See | |
4523 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4524 | int res = REAL(ftime)(tp); |
4525 | if (tp) | |
4526 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tp, sizeof(*tp)); | |
4527 | return res; | |
4528 | } | |
4529 | #define INIT_FTIME COMMON_INTERCEPT_FUNCTION(ftime); | |
4530 | #else | |
4531 | #define INIT_FTIME | |
4532 | #endif // SANITIZER_INTERCEPT_FTIME | |
4533 | ||
4534 | #if SANITIZER_INTERCEPT_XDR | |
4535 | INTERCEPTOR(void, xdrmem_create, __sanitizer_XDR *xdrs, uptr addr, | |
4536 | unsigned size, int op) { | |
4537 | void *ctx; | |
4538 | COMMON_INTERCEPTOR_ENTER(ctx, xdrmem_create, xdrs, addr, size, op); | |
92a42be0 SL |
4539 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4540 | // its metadata. See | |
4541 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4542 | REAL(xdrmem_create)(xdrs, addr, size, op); |
4543 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, xdrs, sizeof(*xdrs)); | |
1a4d82fc JJ |
4544 | if (op == __sanitizer_XDR_ENCODE) { |
4545 | // It's not obvious how much data individual xdr_ routines write. | |
4546 | // Simply unpoison the entire target buffer in advance. | |
4547 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (void *)addr, size); | |
4548 | } | |
4549 | } | |
4550 | ||
4551 | INTERCEPTOR(void, xdrstdio_create, __sanitizer_XDR *xdrs, void *file, int op) { | |
4552 | void *ctx; | |
4553 | COMMON_INTERCEPTOR_ENTER(ctx, xdrstdio_create, xdrs, file, op); | |
92a42be0 SL |
4554 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4555 | // its metadata. See | |
4556 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4557 | REAL(xdrstdio_create)(xdrs, file, op); |
4558 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, xdrs, sizeof(*xdrs)); | |
1a4d82fc JJ |
4559 | } |
4560 | ||
92a42be0 SL |
4561 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4562 | // its metadata. See | |
4563 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4564 | #define XDR_INTERCEPTOR(F, T) \ |
4565 | INTERCEPTOR(int, F, __sanitizer_XDR *xdrs, T *p) { \ | |
4566 | void *ctx; \ | |
4567 | COMMON_INTERCEPTOR_ENTER(ctx, F, xdrs, p); \ | |
4568 | if (p && xdrs->x_op == __sanitizer_XDR_ENCODE) \ | |
4569 | COMMON_INTERCEPTOR_READ_RANGE(ctx, p, sizeof(*p)); \ | |
4570 | int res = REAL(F)(xdrs, p); \ | |
4571 | if (res && p && xdrs->x_op == __sanitizer_XDR_DECODE) \ | |
4572 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p)); \ | |
4573 | return res; \ | |
4574 | } | |
4575 | ||
4576 | XDR_INTERCEPTOR(xdr_short, short) | |
4577 | XDR_INTERCEPTOR(xdr_u_short, unsigned short) | |
4578 | XDR_INTERCEPTOR(xdr_int, int) | |
4579 | XDR_INTERCEPTOR(xdr_u_int, unsigned) | |
4580 | XDR_INTERCEPTOR(xdr_long, long) | |
4581 | XDR_INTERCEPTOR(xdr_u_long, unsigned long) | |
4582 | XDR_INTERCEPTOR(xdr_hyper, long long) | |
4583 | XDR_INTERCEPTOR(xdr_u_hyper, unsigned long long) | |
4584 | XDR_INTERCEPTOR(xdr_longlong_t, long long) | |
4585 | XDR_INTERCEPTOR(xdr_u_longlong_t, unsigned long long) | |
4586 | XDR_INTERCEPTOR(xdr_int8_t, u8) | |
4587 | XDR_INTERCEPTOR(xdr_uint8_t, u8) | |
4588 | XDR_INTERCEPTOR(xdr_int16_t, u16) | |
4589 | XDR_INTERCEPTOR(xdr_uint16_t, u16) | |
4590 | XDR_INTERCEPTOR(xdr_int32_t, u32) | |
4591 | XDR_INTERCEPTOR(xdr_uint32_t, u32) | |
4592 | XDR_INTERCEPTOR(xdr_int64_t, u64) | |
4593 | XDR_INTERCEPTOR(xdr_uint64_t, u64) | |
4594 | XDR_INTERCEPTOR(xdr_quad_t, long long) | |
4595 | XDR_INTERCEPTOR(xdr_u_quad_t, unsigned long long) | |
4596 | XDR_INTERCEPTOR(xdr_bool, bool) | |
4597 | XDR_INTERCEPTOR(xdr_enum, int) | |
4598 | XDR_INTERCEPTOR(xdr_char, char) | |
4599 | XDR_INTERCEPTOR(xdr_u_char, unsigned char) | |
4600 | XDR_INTERCEPTOR(xdr_float, float) | |
4601 | XDR_INTERCEPTOR(xdr_double, double) | |
4602 | ||
4603 | // FIXME: intercept xdr_array, opaque, union, vector, reference, pointer, | |
4604 | // wrapstring, sizeof | |
4605 | ||
4606 | INTERCEPTOR(int, xdr_bytes, __sanitizer_XDR *xdrs, char **p, unsigned *sizep, | |
4607 | unsigned maxsize) { | |
4608 | void *ctx; | |
4609 | COMMON_INTERCEPTOR_ENTER(ctx, xdr_bytes, xdrs, p, sizep, maxsize); | |
4610 | if (p && sizep && xdrs->x_op == __sanitizer_XDR_ENCODE) { | |
4611 | COMMON_INTERCEPTOR_READ_RANGE(ctx, p, sizeof(*p)); | |
4612 | COMMON_INTERCEPTOR_READ_RANGE(ctx, sizep, sizeof(*sizep)); | |
4613 | COMMON_INTERCEPTOR_READ_RANGE(ctx, *p, *sizep); | |
4614 | } | |
92a42be0 SL |
4615 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4616 | // its metadata. See | |
4617 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4618 | int res = REAL(xdr_bytes)(xdrs, p, sizep, maxsize); |
4619 | if (p && sizep && xdrs->x_op == __sanitizer_XDR_DECODE) { | |
4620 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p)); | |
4621 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sizep, sizeof(*sizep)); | |
4622 | if (res && *p && *sizep) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, *sizep); | |
4623 | } | |
4624 | return res; | |
4625 | } | |
4626 | ||
4627 | INTERCEPTOR(int, xdr_string, __sanitizer_XDR *xdrs, char **p, | |
4628 | unsigned maxsize) { | |
4629 | void *ctx; | |
4630 | COMMON_INTERCEPTOR_ENTER(ctx, xdr_string, xdrs, p, maxsize); | |
4631 | if (p && xdrs->x_op == __sanitizer_XDR_ENCODE) { | |
4632 | COMMON_INTERCEPTOR_READ_RANGE(ctx, p, sizeof(*p)); | |
4633 | COMMON_INTERCEPTOR_READ_RANGE(ctx, *p, REAL(strlen)(*p) + 1); | |
4634 | } | |
92a42be0 SL |
4635 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4636 | // its metadata. See | |
4637 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4638 | int res = REAL(xdr_string)(xdrs, p, maxsize); |
4639 | if (p && xdrs->x_op == __sanitizer_XDR_DECODE) { | |
4640 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p)); | |
4641 | if (res && *p) | |
4642 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, REAL(strlen)(*p) + 1); | |
4643 | } | |
4644 | return res; | |
4645 | } | |
4646 | ||
4647 | #define INIT_XDR \ | |
4648 | COMMON_INTERCEPT_FUNCTION(xdrmem_create); \ | |
4649 | COMMON_INTERCEPT_FUNCTION(xdrstdio_create); \ | |
4650 | COMMON_INTERCEPT_FUNCTION(xdr_short); \ | |
4651 | COMMON_INTERCEPT_FUNCTION(xdr_u_short); \ | |
4652 | COMMON_INTERCEPT_FUNCTION(xdr_int); \ | |
4653 | COMMON_INTERCEPT_FUNCTION(xdr_u_int); \ | |
4654 | COMMON_INTERCEPT_FUNCTION(xdr_long); \ | |
4655 | COMMON_INTERCEPT_FUNCTION(xdr_u_long); \ | |
4656 | COMMON_INTERCEPT_FUNCTION(xdr_hyper); \ | |
4657 | COMMON_INTERCEPT_FUNCTION(xdr_u_hyper); \ | |
4658 | COMMON_INTERCEPT_FUNCTION(xdr_longlong_t); \ | |
4659 | COMMON_INTERCEPT_FUNCTION(xdr_u_longlong_t); \ | |
4660 | COMMON_INTERCEPT_FUNCTION(xdr_int8_t); \ | |
4661 | COMMON_INTERCEPT_FUNCTION(xdr_uint8_t); \ | |
4662 | COMMON_INTERCEPT_FUNCTION(xdr_int16_t); \ | |
4663 | COMMON_INTERCEPT_FUNCTION(xdr_uint16_t); \ | |
4664 | COMMON_INTERCEPT_FUNCTION(xdr_int32_t); \ | |
4665 | COMMON_INTERCEPT_FUNCTION(xdr_uint32_t); \ | |
4666 | COMMON_INTERCEPT_FUNCTION(xdr_int64_t); \ | |
4667 | COMMON_INTERCEPT_FUNCTION(xdr_uint64_t); \ | |
4668 | COMMON_INTERCEPT_FUNCTION(xdr_quad_t); \ | |
4669 | COMMON_INTERCEPT_FUNCTION(xdr_u_quad_t); \ | |
4670 | COMMON_INTERCEPT_FUNCTION(xdr_bool); \ | |
4671 | COMMON_INTERCEPT_FUNCTION(xdr_enum); \ | |
4672 | COMMON_INTERCEPT_FUNCTION(xdr_char); \ | |
4673 | COMMON_INTERCEPT_FUNCTION(xdr_u_char); \ | |
4674 | COMMON_INTERCEPT_FUNCTION(xdr_float); \ | |
4675 | COMMON_INTERCEPT_FUNCTION(xdr_double); \ | |
4676 | COMMON_INTERCEPT_FUNCTION(xdr_bytes); \ | |
4677 | COMMON_INTERCEPT_FUNCTION(xdr_string); | |
4678 | #else | |
4679 | #define INIT_XDR | |
4680 | #endif // SANITIZER_INTERCEPT_XDR | |
4681 | ||
4682 | #if SANITIZER_INTERCEPT_TSEARCH | |
4683 | INTERCEPTOR(void *, tsearch, void *key, void **rootp, | |
4684 | int (*compar)(const void *, const void *)) { | |
4685 | void *ctx; | |
4686 | COMMON_INTERCEPTOR_ENTER(ctx, tsearch, key, rootp, compar); | |
92a42be0 SL |
4687 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4688 | // its metadata. See | |
4689 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4690 | void *res = REAL(tsearch)(key, rootp, compar); |
4691 | if (res && *(void **)res == key) | |
4692 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, sizeof(void *)); | |
4693 | return res; | |
4694 | } | |
4695 | #define INIT_TSEARCH COMMON_INTERCEPT_FUNCTION(tsearch); | |
4696 | #else | |
4697 | #define INIT_TSEARCH | |
4698 | #endif | |
4699 | ||
4700 | #if SANITIZER_INTERCEPT_LIBIO_INTERNALS || SANITIZER_INTERCEPT_FOPEN || \ | |
4701 | SANITIZER_INTERCEPT_OPEN_MEMSTREAM | |
4702 | void unpoison_file(__sanitizer_FILE *fp) { | |
92a42be0 | 4703 | #if SANITIZER_HAS_STRUCT_FILE |
1a4d82fc JJ |
4704 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(fp, sizeof(*fp)); |
4705 | if (fp->_IO_read_base && fp->_IO_read_base < fp->_IO_read_end) | |
4706 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(fp->_IO_read_base, | |
4707 | fp->_IO_read_end - fp->_IO_read_base); | |
92a42be0 | 4708 | #endif // SANITIZER_HAS_STRUCT_FILE |
1a4d82fc JJ |
4709 | } |
4710 | #endif | |
4711 | ||
4712 | #if SANITIZER_INTERCEPT_LIBIO_INTERNALS | |
4713 | // These guys are called when a .c source is built with -O2. | |
4714 | INTERCEPTOR(int, __uflow, __sanitizer_FILE *fp) { | |
4715 | void *ctx; | |
4716 | COMMON_INTERCEPTOR_ENTER(ctx, __uflow, fp); | |
4717 | int res = REAL(__uflow)(fp); | |
4718 | unpoison_file(fp); | |
4719 | return res; | |
4720 | } | |
4721 | INTERCEPTOR(int, __underflow, __sanitizer_FILE *fp) { | |
4722 | void *ctx; | |
4723 | COMMON_INTERCEPTOR_ENTER(ctx, __underflow, fp); | |
4724 | int res = REAL(__underflow)(fp); | |
4725 | unpoison_file(fp); | |
4726 | return res; | |
4727 | } | |
4728 | INTERCEPTOR(int, __overflow, __sanitizer_FILE *fp, int ch) { | |
4729 | void *ctx; | |
4730 | COMMON_INTERCEPTOR_ENTER(ctx, __overflow, fp, ch); | |
4731 | int res = REAL(__overflow)(fp, ch); | |
4732 | unpoison_file(fp); | |
4733 | return res; | |
4734 | } | |
4735 | INTERCEPTOR(int, __wuflow, __sanitizer_FILE *fp) { | |
4736 | void *ctx; | |
4737 | COMMON_INTERCEPTOR_ENTER(ctx, __wuflow, fp); | |
4738 | int res = REAL(__wuflow)(fp); | |
4739 | unpoison_file(fp); | |
4740 | return res; | |
4741 | } | |
4742 | INTERCEPTOR(int, __wunderflow, __sanitizer_FILE *fp) { | |
4743 | void *ctx; | |
4744 | COMMON_INTERCEPTOR_ENTER(ctx, __wunderflow, fp); | |
4745 | int res = REAL(__wunderflow)(fp); | |
4746 | unpoison_file(fp); | |
4747 | return res; | |
4748 | } | |
4749 | INTERCEPTOR(int, __woverflow, __sanitizer_FILE *fp, int ch) { | |
4750 | void *ctx; | |
4751 | COMMON_INTERCEPTOR_ENTER(ctx, __woverflow, fp, ch); | |
4752 | int res = REAL(__woverflow)(fp, ch); | |
4753 | unpoison_file(fp); | |
4754 | return res; | |
4755 | } | |
4756 | #define INIT_LIBIO_INTERNALS \ | |
4757 | COMMON_INTERCEPT_FUNCTION(__uflow); \ | |
4758 | COMMON_INTERCEPT_FUNCTION(__underflow); \ | |
4759 | COMMON_INTERCEPT_FUNCTION(__overflow); \ | |
4760 | COMMON_INTERCEPT_FUNCTION(__wuflow); \ | |
4761 | COMMON_INTERCEPT_FUNCTION(__wunderflow); \ | |
4762 | COMMON_INTERCEPT_FUNCTION(__woverflow); | |
4763 | #else | |
4764 | #define INIT_LIBIO_INTERNALS | |
4765 | #endif | |
4766 | ||
4767 | #if SANITIZER_INTERCEPT_FOPEN | |
4768 | INTERCEPTOR(__sanitizer_FILE *, fopen, const char *path, const char *mode) { | |
4769 | void *ctx; | |
4770 | COMMON_INTERCEPTOR_ENTER(ctx, fopen, path, mode); | |
4771 | COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
4772 | COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, REAL(strlen)(mode) + 1); | |
4773 | __sanitizer_FILE *res = REAL(fopen)(path, mode); | |
4774 | COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path); | |
4775 | if (res) unpoison_file(res); | |
4776 | return res; | |
4777 | } | |
1a4d82fc JJ |
4778 | INTERCEPTOR(__sanitizer_FILE *, fdopen, int fd, const char *mode) { |
4779 | void *ctx; | |
4780 | COMMON_INTERCEPTOR_ENTER(ctx, fdopen, fd, mode); | |
4781 | COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, REAL(strlen)(mode) + 1); | |
4782 | __sanitizer_FILE *res = REAL(fdopen)(fd, mode); | |
4783 | if (res) unpoison_file(res); | |
4784 | return res; | |
4785 | } | |
4786 | INTERCEPTOR(__sanitizer_FILE *, freopen, const char *path, const char *mode, | |
4787 | __sanitizer_FILE *fp) { | |
4788 | void *ctx; | |
4789 | COMMON_INTERCEPTOR_ENTER(ctx, freopen, path, mode, fp); | |
92a42be0 | 4790 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); |
1a4d82fc JJ |
4791 | COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, REAL(strlen)(mode) + 1); |
4792 | COMMON_INTERCEPTOR_FILE_CLOSE(ctx, fp); | |
4793 | __sanitizer_FILE *res = REAL(freopen)(path, mode, fp); | |
4794 | COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path); | |
4795 | if (res) unpoison_file(res); | |
4796 | return res; | |
4797 | } | |
92a42be0 SL |
4798 | #define INIT_FOPEN \ |
4799 | COMMON_INTERCEPT_FUNCTION(fopen); \ | |
4800 | COMMON_INTERCEPT_FUNCTION(fdopen); \ | |
4801 | COMMON_INTERCEPT_FUNCTION(freopen); | |
4802 | #else | |
4803 | #define INIT_FOPEN | |
4804 | #endif | |
4805 | ||
4806 | #if SANITIZER_INTERCEPT_FOPEN64 | |
4807 | INTERCEPTOR(__sanitizer_FILE *, fopen64, const char *path, const char *mode) { | |
4808 | void *ctx; | |
4809 | COMMON_INTERCEPTOR_ENTER(ctx, fopen64, path, mode); | |
4810 | COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
4811 | COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, REAL(strlen)(mode) + 1); | |
4812 | __sanitizer_FILE *res = REAL(fopen64)(path, mode); | |
4813 | COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path); | |
4814 | if (res) unpoison_file(res); | |
4815 | return res; | |
4816 | } | |
1a4d82fc JJ |
4817 | INTERCEPTOR(__sanitizer_FILE *, freopen64, const char *path, const char *mode, |
4818 | __sanitizer_FILE *fp) { | |
4819 | void *ctx; | |
4820 | COMMON_INTERCEPTOR_ENTER(ctx, freopen64, path, mode, fp); | |
92a42be0 | 4821 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); |
1a4d82fc JJ |
4822 | COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, REAL(strlen)(mode) + 1); |
4823 | COMMON_INTERCEPTOR_FILE_CLOSE(ctx, fp); | |
4824 | __sanitizer_FILE *res = REAL(freopen64)(path, mode, fp); | |
4825 | COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path); | |
4826 | if (res) unpoison_file(res); | |
4827 | return res; | |
4828 | } | |
92a42be0 | 4829 | #define INIT_FOPEN64 \ |
1a4d82fc | 4830 | COMMON_INTERCEPT_FUNCTION(fopen64); \ |
1a4d82fc JJ |
4831 | COMMON_INTERCEPT_FUNCTION(freopen64); |
4832 | #else | |
92a42be0 | 4833 | #define INIT_FOPEN64 |
1a4d82fc JJ |
4834 | #endif |
4835 | ||
4836 | #if SANITIZER_INTERCEPT_OPEN_MEMSTREAM | |
4837 | INTERCEPTOR(__sanitizer_FILE *, open_memstream, char **ptr, SIZE_T *sizeloc) { | |
4838 | void *ctx; | |
4839 | COMMON_INTERCEPTOR_ENTER(ctx, open_memstream, ptr, sizeloc); | |
92a42be0 SL |
4840 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4841 | // its metadata. See | |
4842 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4843 | __sanitizer_FILE *res = REAL(open_memstream)(ptr, sizeloc); |
4844 | if (res) { | |
4845 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, sizeof(*ptr)); | |
4846 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sizeloc, sizeof(*sizeloc)); | |
4847 | unpoison_file(res); | |
92a42be0 SL |
4848 | FileMetadata file = {ptr, sizeloc}; |
4849 | SetInterceptorMetadata(res, file); | |
1a4d82fc JJ |
4850 | } |
4851 | return res; | |
4852 | } | |
4853 | INTERCEPTOR(__sanitizer_FILE *, open_wmemstream, wchar_t **ptr, | |
4854 | SIZE_T *sizeloc) { | |
4855 | void *ctx; | |
4856 | COMMON_INTERCEPTOR_ENTER(ctx, open_wmemstream, ptr, sizeloc); | |
4857 | __sanitizer_FILE *res = REAL(open_wmemstream)(ptr, sizeloc); | |
4858 | if (res) { | |
4859 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, sizeof(*ptr)); | |
4860 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sizeloc, sizeof(*sizeloc)); | |
4861 | unpoison_file(res); | |
92a42be0 SL |
4862 | FileMetadata file = {(char **)ptr, sizeloc}; |
4863 | SetInterceptorMetadata(res, file); | |
1a4d82fc JJ |
4864 | } |
4865 | return res; | |
4866 | } | |
4867 | INTERCEPTOR(__sanitizer_FILE *, fmemopen, void *buf, SIZE_T size, | |
4868 | const char *mode) { | |
4869 | void *ctx; | |
4870 | COMMON_INTERCEPTOR_ENTER(ctx, fmemopen, buf, size, mode); | |
92a42be0 SL |
4871 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4872 | // its metadata. See | |
4873 | // https://code.google.com/p/address-sanitizer/issues/detail?id=321. | |
1a4d82fc JJ |
4874 | __sanitizer_FILE *res = REAL(fmemopen)(buf, size, mode); |
4875 | if (res) unpoison_file(res); | |
4876 | return res; | |
4877 | } | |
4878 | #define INIT_OPEN_MEMSTREAM \ | |
4879 | COMMON_INTERCEPT_FUNCTION(open_memstream); \ | |
4880 | COMMON_INTERCEPT_FUNCTION(open_wmemstream); \ | |
4881 | COMMON_INTERCEPT_FUNCTION(fmemopen); | |
4882 | #else | |
4883 | #define INIT_OPEN_MEMSTREAM | |
4884 | #endif | |
4885 | ||
92a42be0 SL |
4886 | #if SANITIZER_INTERCEPT_OBSTACK |
4887 | static void initialize_obstack(__sanitizer_obstack *obstack) { | |
4888 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(obstack, sizeof(*obstack)); | |
4889 | if (obstack->chunk) | |
4890 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(obstack->chunk, | |
4891 | sizeof(*obstack->chunk)); | |
4892 | } | |
4893 | ||
4894 | INTERCEPTOR(int, _obstack_begin_1, __sanitizer_obstack *obstack, int sz, | |
4895 | int align, void *(*alloc_fn)(uptr arg, uptr sz), | |
4896 | void (*free_fn)(uptr arg, void *p)) { | |
4897 | void *ctx; | |
4898 | COMMON_INTERCEPTOR_ENTER(ctx, _obstack_begin_1, obstack, sz, align, alloc_fn, | |
4899 | free_fn); | |
4900 | int res = REAL(_obstack_begin_1)(obstack, sz, align, alloc_fn, free_fn); | |
4901 | if (res) initialize_obstack(obstack); | |
4902 | return res; | |
4903 | } | |
4904 | INTERCEPTOR(int, _obstack_begin, __sanitizer_obstack *obstack, int sz, | |
4905 | int align, void *(*alloc_fn)(uptr sz), void (*free_fn)(void *p)) { | |
4906 | void *ctx; | |
4907 | COMMON_INTERCEPTOR_ENTER(ctx, _obstack_begin, obstack, sz, align, alloc_fn, | |
4908 | free_fn); | |
4909 | int res = REAL(_obstack_begin)(obstack, sz, align, alloc_fn, free_fn); | |
4910 | if (res) initialize_obstack(obstack); | |
4911 | return res; | |
4912 | } | |
4913 | INTERCEPTOR(void, _obstack_newchunk, __sanitizer_obstack *obstack, int length) { | |
4914 | void *ctx; | |
4915 | COMMON_INTERCEPTOR_ENTER(ctx, _obstack_newchunk, obstack, length); | |
4916 | REAL(_obstack_newchunk)(obstack, length); | |
4917 | if (obstack->chunk) | |
4918 | COMMON_INTERCEPTOR_INITIALIZE_RANGE( | |
4919 | obstack->chunk, obstack->next_free - (char *)obstack->chunk); | |
4920 | } | |
4921 | #define INIT_OBSTACK \ | |
4922 | COMMON_INTERCEPT_FUNCTION(_obstack_begin_1); \ | |
4923 | COMMON_INTERCEPT_FUNCTION(_obstack_begin); \ | |
4924 | COMMON_INTERCEPT_FUNCTION(_obstack_newchunk); | |
4925 | #else | |
4926 | #define INIT_OBSTACK | |
4927 | #endif | |
4928 | ||
4929 | #if SANITIZER_INTERCEPT_FFLUSH | |
4930 | INTERCEPTOR(int, fflush, __sanitizer_FILE *fp) { | |
4931 | void *ctx; | |
4932 | COMMON_INTERCEPTOR_ENTER(ctx, fflush, fp); | |
4933 | int res = REAL(fflush)(fp); | |
4934 | // FIXME: handle fp == NULL | |
4935 | if (fp) { | |
4936 | const FileMetadata *m = GetInterceptorMetadata(fp); | |
4937 | if (m) COMMON_INTERCEPTOR_INITIALIZE_RANGE(*m->addr, *m->size); | |
4938 | } | |
4939 | return res; | |
4940 | } | |
4941 | #define INIT_FFLUSH COMMON_INTERCEPT_FUNCTION(fflush); | |
4942 | #else | |
4943 | #define INIT_FFLUSH | |
4944 | #endif | |
4945 | ||
4946 | #if SANITIZER_INTERCEPT_FCLOSE | |
4947 | INTERCEPTOR(int, fclose, __sanitizer_FILE *fp) { | |
4948 | void *ctx; | |
4949 | COMMON_INTERCEPTOR_ENTER(ctx, fclose, fp); | |
4950 | COMMON_INTERCEPTOR_FILE_CLOSE(ctx, fp); | |
4951 | const FileMetadata *m = GetInterceptorMetadata(fp); | |
4952 | int res = REAL(fclose)(fp); | |
4953 | if (m) { | |
4954 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(*m->addr, *m->size); | |
4955 | DeleteInterceptorMetadata(fp); | |
4956 | } | |
4957 | return res; | |
4958 | } | |
4959 | #define INIT_FCLOSE COMMON_INTERCEPT_FUNCTION(fclose); | |
4960 | #else | |
4961 | #define INIT_FCLOSE | |
4962 | #endif | |
4963 | ||
4964 | #if SANITIZER_INTERCEPT_DLOPEN_DLCLOSE | |
4965 | INTERCEPTOR(void*, dlopen, const char *filename, int flag) { | |
4966 | void *ctx; | |
4967 | COMMON_INTERCEPTOR_ENTER_NOIGNORE(ctx, dlopen, filename, flag); | |
4968 | if (filename) COMMON_INTERCEPTOR_READ_STRING(ctx, filename, 0); | |
4969 | COMMON_INTERCEPTOR_ON_DLOPEN(filename, flag); | |
4970 | void *res = REAL(dlopen)(filename, flag); | |
4971 | COMMON_INTERCEPTOR_LIBRARY_LOADED(filename, res); | |
4972 | return res; | |
4973 | } | |
4974 | ||
4975 | INTERCEPTOR(int, dlclose, void *handle) { | |
4976 | void *ctx; | |
4977 | COMMON_INTERCEPTOR_ENTER_NOIGNORE(ctx, dlclose, handle); | |
4978 | int res = REAL(dlclose)(handle); | |
4979 | COMMON_INTERCEPTOR_LIBRARY_UNLOADED(); | |
4980 | return res; | |
4981 | } | |
4982 | #define INIT_DLOPEN_DLCLOSE \ | |
4983 | COMMON_INTERCEPT_FUNCTION(dlopen); \ | |
4984 | COMMON_INTERCEPT_FUNCTION(dlclose); | |
4985 | #else | |
4986 | #define INIT_DLOPEN_DLCLOSE | |
4987 | #endif | |
4988 | ||
4989 | #if SANITIZER_INTERCEPT_GETPASS | |
4990 | INTERCEPTOR(char *, getpass, const char *prompt) { | |
4991 | void *ctx; | |
4992 | COMMON_INTERCEPTOR_ENTER(ctx, getpass, prompt); | |
4993 | if (prompt) | |
4994 | COMMON_INTERCEPTOR_READ_RANGE(ctx, prompt, REAL(strlen)(prompt)+1); | |
4995 | char *res = REAL(getpass)(prompt); | |
4996 | if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res)+1); | |
4997 | return res; | |
4998 | } | |
4999 | ||
5000 | #define INIT_GETPASS COMMON_INTERCEPT_FUNCTION(getpass); | |
5001 | #else | |
5002 | #define INIT_GETPASS | |
5003 | #endif | |
5004 | ||
5005 | #if SANITIZER_INTERCEPT_TIMERFD | |
5006 | INTERCEPTOR(int, timerfd_settime, int fd, int flags, void *new_value, | |
5007 | void *old_value) { | |
5008 | void *ctx; | |
5009 | COMMON_INTERCEPTOR_ENTER(ctx, timerfd_settime, fd, flags, new_value, | |
5010 | old_value); | |
5011 | COMMON_INTERCEPTOR_READ_RANGE(ctx, new_value, struct_itimerspec_sz); | |
5012 | int res = REAL(timerfd_settime)(fd, flags, new_value, old_value); | |
5013 | if (res != -1 && old_value) | |
5014 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, old_value, struct_itimerspec_sz); | |
5015 | return res; | |
5016 | } | |
5017 | ||
5018 | INTERCEPTOR(int, timerfd_gettime, int fd, void *curr_value) { | |
5019 | void *ctx; | |
5020 | COMMON_INTERCEPTOR_ENTER(ctx, timerfd_gettime, fd, curr_value); | |
5021 | int res = REAL(timerfd_gettime)(fd, curr_value); | |
5022 | if (res != -1 && curr_value) | |
5023 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, curr_value, struct_itimerspec_sz); | |
5024 | return res; | |
5025 | } | |
5026 | #define INIT_TIMERFD \ | |
5027 | COMMON_INTERCEPT_FUNCTION(timerfd_settime); \ | |
5028 | COMMON_INTERCEPT_FUNCTION(timerfd_gettime); | |
5029 | #else | |
5030 | #define INIT_TIMERFD | |
5031 | #endif | |
5032 | ||
5033 | #if SANITIZER_INTERCEPT_MLOCKX | |
5034 | // Linux kernel has a bug that leads to kernel deadlock if a process | |
5035 | // maps TBs of memory and then calls mlock(). | |
5036 | static void MlockIsUnsupported() { | |
5037 | static atomic_uint8_t printed; | |
5038 | if (atomic_exchange(&printed, 1, memory_order_relaxed)) | |
5039 | return; | |
5040 | VPrintf(1, "%s ignores mlock/mlockall/munlock/munlockall\n", | |
5041 | SanitizerToolName); | |
5042 | } | |
5043 | ||
5044 | INTERCEPTOR(int, mlock, const void *addr, uptr len) { | |
5045 | MlockIsUnsupported(); | |
5046 | return 0; | |
5047 | } | |
5048 | ||
5049 | INTERCEPTOR(int, munlock, const void *addr, uptr len) { | |
5050 | MlockIsUnsupported(); | |
5051 | return 0; | |
5052 | } | |
5053 | ||
5054 | INTERCEPTOR(int, mlockall, int flags) { | |
5055 | MlockIsUnsupported(); | |
5056 | return 0; | |
5057 | } | |
5058 | ||
5059 | INTERCEPTOR(int, munlockall, void) { | |
5060 | MlockIsUnsupported(); | |
5061 | return 0; | |
5062 | } | |
5063 | ||
5064 | #define INIT_MLOCKX \ | |
5065 | COMMON_INTERCEPT_FUNCTION(mlock); \ | |
5066 | COMMON_INTERCEPT_FUNCTION(munlock); \ | |
5067 | COMMON_INTERCEPT_FUNCTION(mlockall); \ | |
5068 | COMMON_INTERCEPT_FUNCTION(munlockall); | |
5069 | ||
5070 | #else | |
5071 | #define INIT_MLOCKX | |
5072 | #endif // SANITIZER_INTERCEPT_MLOCKX | |
5073 | ||
5074 | #if SANITIZER_INTERCEPT_FOPENCOOKIE | |
5075 | struct WrappedCookie { | |
5076 | void *real_cookie; | |
5077 | __sanitizer_cookie_io_functions_t real_io_funcs; | |
5078 | }; | |
5079 | ||
5080 | static uptr wrapped_read(void *cookie, char *buf, uptr size) { | |
5081 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
5082 | WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie; | |
5083 | __sanitizer_cookie_io_read real_read = wrapped_cookie->real_io_funcs.read; | |
5084 | return real_read ? real_read(wrapped_cookie->real_cookie, buf, size) : 0; | |
5085 | } | |
5086 | ||
5087 | static uptr wrapped_write(void *cookie, const char *buf, uptr size) { | |
5088 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
5089 | WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie; | |
5090 | __sanitizer_cookie_io_write real_write = wrapped_cookie->real_io_funcs.write; | |
5091 | return real_write ? real_write(wrapped_cookie->real_cookie, buf, size) : size; | |
5092 | } | |
5093 | ||
5094 | static int wrapped_seek(void *cookie, u64 *offset, int whence) { | |
5095 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
5096 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(offset, sizeof(*offset)); | |
5097 | WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie; | |
5098 | __sanitizer_cookie_io_seek real_seek = wrapped_cookie->real_io_funcs.seek; | |
5099 | return real_seek ? real_seek(wrapped_cookie->real_cookie, offset, whence) | |
5100 | : -1; | |
5101 | } | |
5102 | ||
5103 | static int wrapped_close(void *cookie) { | |
5104 | COMMON_INTERCEPTOR_UNPOISON_PARAM(1); | |
5105 | WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie; | |
5106 | __sanitizer_cookie_io_close real_close = wrapped_cookie->real_io_funcs.close; | |
5107 | int res = real_close ? real_close(wrapped_cookie->real_cookie) : 0; | |
5108 | InternalFree(wrapped_cookie); | |
5109 | return res; | |
5110 | } | |
5111 | ||
5112 | INTERCEPTOR(__sanitizer_FILE *, fopencookie, void *cookie, const char *mode, | |
5113 | __sanitizer_cookie_io_functions_t io_funcs) { | |
5114 | void *ctx; | |
5115 | COMMON_INTERCEPTOR_ENTER(ctx, fopencookie, cookie, mode, io_funcs); | |
5116 | WrappedCookie *wrapped_cookie = | |
5117 | (WrappedCookie *)InternalAlloc(sizeof(WrappedCookie)); | |
5118 | wrapped_cookie->real_cookie = cookie; | |
5119 | wrapped_cookie->real_io_funcs = io_funcs; | |
5120 | __sanitizer_FILE *res = | |
5121 | REAL(fopencookie)(wrapped_cookie, mode, {wrapped_read, wrapped_write, | |
5122 | wrapped_seek, wrapped_close}); | |
5123 | return res; | |
5124 | } | |
5125 | ||
5126 | #define INIT_FOPENCOOKIE COMMON_INTERCEPT_FUNCTION(fopencookie); | |
5127 | #else | |
5128 | #define INIT_FOPENCOOKIE | |
5129 | #endif // SANITIZER_INTERCEPT_FOPENCOOKIE | |
5130 | ||
5131 | #if SANITIZER_INTERCEPT_SEM | |
5132 | INTERCEPTOR(int, sem_init, __sanitizer_sem_t *s, int pshared, unsigned value) { | |
5133 | void *ctx; | |
5134 | COMMON_INTERCEPTOR_ENTER(ctx, sem_init, s, pshared, value); | |
5135 | // Workaround a bug in glibc's "old" semaphore implementation by | |
5136 | // zero-initializing the sem_t contents. This has to be done here because | |
5137 | // interceptors bind to the lowest symbols version by default, hitting the | |
5138 | // buggy code path while the non-sanitized build of the same code works fine. | |
5139 | REAL(memset)(s, 0, sizeof(*s)); | |
5140 | int res = REAL(sem_init)(s, pshared, value); | |
5141 | return res; | |
5142 | } | |
5143 | ||
5144 | INTERCEPTOR(int, sem_destroy, __sanitizer_sem_t *s) { | |
5145 | void *ctx; | |
5146 | COMMON_INTERCEPTOR_ENTER(ctx, sem_destroy, s); | |
5147 | int res = REAL(sem_destroy)(s); | |
5148 | return res; | |
5149 | } | |
5150 | ||
5151 | INTERCEPTOR(int, sem_wait, __sanitizer_sem_t *s) { | |
5152 | void *ctx; | |
5153 | COMMON_INTERCEPTOR_ENTER(ctx, sem_wait, s); | |
5154 | int res = COMMON_INTERCEPTOR_BLOCK_REAL(sem_wait)(s); | |
5155 | if (res == 0) { | |
5156 | COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s); | |
5157 | } | |
5158 | return res; | |
5159 | } | |
5160 | ||
5161 | INTERCEPTOR(int, sem_trywait, __sanitizer_sem_t *s) { | |
5162 | void *ctx; | |
5163 | COMMON_INTERCEPTOR_ENTER(ctx, sem_trywait, s); | |
5164 | int res = COMMON_INTERCEPTOR_BLOCK_REAL(sem_trywait)(s); | |
5165 | if (res == 0) { | |
5166 | COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s); | |
5167 | } | |
5168 | return res; | |
5169 | } | |
5170 | ||
5171 | INTERCEPTOR(int, sem_timedwait, __sanitizer_sem_t *s, void *abstime) { | |
5172 | void *ctx; | |
5173 | COMMON_INTERCEPTOR_ENTER(ctx, sem_timedwait, s, abstime); | |
5174 | COMMON_INTERCEPTOR_READ_RANGE(ctx, abstime, struct_timespec_sz); | |
5175 | int res = COMMON_INTERCEPTOR_BLOCK_REAL(sem_timedwait)(s, abstime); | |
5176 | if (res == 0) { | |
5177 | COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s); | |
5178 | } | |
5179 | return res; | |
5180 | } | |
5181 | ||
5182 | INTERCEPTOR(int, sem_post, __sanitizer_sem_t *s) { | |
5183 | void *ctx; | |
5184 | COMMON_INTERCEPTOR_ENTER(ctx, sem_post, s); | |
5185 | COMMON_INTERCEPTOR_RELEASE(ctx, (uptr)s); | |
5186 | int res = REAL(sem_post)(s); | |
5187 | return res; | |
5188 | } | |
5189 | ||
5190 | INTERCEPTOR(int, sem_getvalue, __sanitizer_sem_t *s, int *sval) { | |
5191 | void *ctx; | |
5192 | COMMON_INTERCEPTOR_ENTER(ctx, sem_getvalue, s, sval); | |
5193 | int res = REAL(sem_getvalue)(s, sval); | |
5194 | if (res == 0) { | |
5195 | COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s); | |
5196 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sval, sizeof(*sval)); | |
5197 | } | |
5198 | return res; | |
5199 | } | |
5200 | #define INIT_SEM \ | |
5201 | COMMON_INTERCEPT_FUNCTION(sem_init); \ | |
5202 | COMMON_INTERCEPT_FUNCTION(sem_destroy); \ | |
5203 | COMMON_INTERCEPT_FUNCTION(sem_wait); \ | |
5204 | COMMON_INTERCEPT_FUNCTION(sem_trywait); \ | |
5205 | COMMON_INTERCEPT_FUNCTION(sem_timedwait); \ | |
5206 | COMMON_INTERCEPT_FUNCTION(sem_post); \ | |
5207 | COMMON_INTERCEPT_FUNCTION(sem_getvalue); | |
5208 | #else | |
5209 | #define INIT_SEM | |
5210 | #endif // SANITIZER_INTERCEPT_SEM | |
5211 | ||
5212 | #if SANITIZER_INTERCEPT_PTHREAD_SETCANCEL | |
5213 | INTERCEPTOR(int, pthread_setcancelstate, int state, int *oldstate) { | |
5214 | void *ctx; | |
5215 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_setcancelstate, state, oldstate); | |
5216 | int res = REAL(pthread_setcancelstate)(state, oldstate); | |
5217 | if (res == 0) | |
5218 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldstate, sizeof(*oldstate)); | |
5219 | return res; | |
5220 | } | |
5221 | ||
5222 | INTERCEPTOR(int, pthread_setcanceltype, int type, int *oldtype) { | |
5223 | void *ctx; | |
5224 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_setcanceltype, type, oldtype); | |
5225 | int res = REAL(pthread_setcanceltype)(type, oldtype); | |
5226 | if (res == 0) | |
5227 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldtype, sizeof(*oldtype)); | |
5228 | return res; | |
5229 | } | |
5230 | #define INIT_PTHREAD_SETCANCEL \ | |
5231 | COMMON_INTERCEPT_FUNCTION(pthread_setcancelstate); \ | |
5232 | COMMON_INTERCEPT_FUNCTION(pthread_setcanceltype); | |
5233 | #else | |
5234 | #define INIT_PTHREAD_SETCANCEL | |
5235 | #endif | |
5236 | ||
5237 | #if SANITIZER_INTERCEPT_MINCORE | |
5238 | INTERCEPTOR(int, mincore, void *addr, uptr length, unsigned char *vec) { | |
5239 | void *ctx; | |
5240 | COMMON_INTERCEPTOR_ENTER(ctx, mincore, addr, length, vec); | |
5241 | int res = REAL(mincore)(addr, length, vec); | |
5242 | if (res == 0) { | |
5243 | uptr page_size = GetPageSizeCached(); | |
5244 | uptr vec_size = ((length + page_size - 1) & (~(page_size - 1))) / page_size; | |
5245 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, vec, vec_size); | |
5246 | } | |
5247 | return res; | |
5248 | } | |
5249 | #define INIT_MINCORE COMMON_INTERCEPT_FUNCTION(mincore); | |
5250 | #else | |
5251 | #define INIT_MINCORE | |
5252 | #endif | |
5253 | ||
5254 | #if SANITIZER_INTERCEPT_PROCESS_VM_READV | |
5255 | INTERCEPTOR(SSIZE_T, process_vm_readv, int pid, __sanitizer_iovec *local_iov, | |
5256 | uptr liovcnt, __sanitizer_iovec *remote_iov, uptr riovcnt, | |
5257 | uptr flags) { | |
5258 | void *ctx; | |
5259 | COMMON_INTERCEPTOR_ENTER(ctx, process_vm_readv, pid, local_iov, liovcnt, | |
5260 | remote_iov, riovcnt, flags); | |
5261 | SSIZE_T res = REAL(process_vm_readv)(pid, local_iov, liovcnt, remote_iov, | |
5262 | riovcnt, flags); | |
5263 | if (res > 0) | |
5264 | write_iovec(ctx, local_iov, liovcnt, res); | |
5265 | return res; | |
5266 | } | |
5267 | ||
5268 | INTERCEPTOR(SSIZE_T, process_vm_writev, int pid, __sanitizer_iovec *local_iov, | |
5269 | uptr liovcnt, __sanitizer_iovec *remote_iov, uptr riovcnt, | |
5270 | uptr flags) { | |
5271 | void *ctx; | |
5272 | COMMON_INTERCEPTOR_ENTER(ctx, process_vm_writev, pid, local_iov, liovcnt, | |
5273 | remote_iov, riovcnt, flags); | |
5274 | SSIZE_T res = REAL(process_vm_writev)(pid, local_iov, liovcnt, remote_iov, | |
5275 | riovcnt, flags); | |
5276 | if (res > 0) | |
5277 | read_iovec(ctx, local_iov, liovcnt, res); | |
5278 | return res; | |
5279 | } | |
5280 | #define INIT_PROCESS_VM_READV \ | |
5281 | COMMON_INTERCEPT_FUNCTION(process_vm_readv); \ | |
5282 | COMMON_INTERCEPT_FUNCTION(process_vm_writev); | |
5283 | #else | |
5284 | #define INIT_PROCESS_VM_READV | |
5285 | #endif | |
5286 | ||
5287 | static void InitializeCommonInterceptors() { | |
5288 | static u64 metadata_mem[sizeof(MetadataHashMap) / sizeof(u64) + 1]; | |
5289 | interceptor_metadata_map = new((void *)&metadata_mem) MetadataHashMap(); | |
5290 | ||
5291 | INIT_TEXTDOMAIN; | |
5292 | INIT_STRCMP; | |
5293 | INIT_STRNCMP; | |
5294 | INIT_STRCASECMP; | |
5295 | INIT_STRNCASECMP; | |
5296 | INIT_STRSTR; | |
5297 | INIT_STRCASESTR; | |
5298 | INIT_STRSPN; | |
5299 | INIT_STRPBRK; | |
5300 | INIT_MEMCHR; | |
5301 | INIT_MEMCMP; | |
5302 | INIT_MEMRCHR; | |
5303 | INIT_READ; | |
5304 | INIT_PREAD; | |
5305 | INIT_PREAD64; | |
5306 | INIT_READV; | |
5307 | INIT_PREADV; | |
5308 | INIT_PREADV64; | |
5309 | INIT_WRITE; | |
5310 | INIT_PWRITE; | |
5311 | INIT_PWRITE64; | |
5312 | INIT_WRITEV; | |
5313 | INIT_PWRITEV; | |
5314 | INIT_PWRITEV64; | |
5315 | INIT_PRCTL; | |
5316 | INIT_LOCALTIME_AND_FRIENDS; | |
5317 | INIT_STRPTIME; | |
5318 | INIT_SCANF; | |
5319 | INIT_ISOC99_SCANF; | |
5320 | INIT_PRINTF; | |
5321 | INIT_PRINTF_L; | |
5322 | INIT_ISOC99_PRINTF; | |
5323 | INIT_FREXP; | |
5324 | INIT_FREXPF_FREXPL; | |
5325 | INIT_GETPWNAM_AND_FRIENDS; | |
5326 | INIT_GETPWNAM_R_AND_FRIENDS; | |
5327 | INIT_GETPWENT; | |
5328 | INIT_FGETPWENT; | |
5329 | INIT_GETPWENT_R; | |
5330 | INIT_SETPWENT; | |
5331 | INIT_CLOCK_GETTIME; | |
5332 | INIT_GETITIMER; | |
5333 | INIT_TIME; | |
5334 | INIT_GLOB; | |
5335 | INIT_WAIT; | |
5336 | INIT_WAIT4; | |
5337 | INIT_INET; | |
5338 | INIT_PTHREAD_GETSCHEDPARAM; | |
5339 | INIT_GETADDRINFO; | |
5340 | INIT_GETNAMEINFO; | |
5341 | INIT_GETSOCKNAME; | |
5342 | INIT_GETHOSTBYNAME; | |
5343 | INIT_GETHOSTBYNAME_R; | |
5344 | INIT_GETHOSTBYNAME2_R; | |
5345 | INIT_GETHOSTBYADDR_R; | |
5346 | INIT_GETHOSTENT_R; | |
5347 | INIT_GETSOCKOPT; | |
5348 | INIT_ACCEPT; | |
5349 | INIT_ACCEPT4; | |
5350 | INIT_MODF; | |
5351 | INIT_RECVMSG; | |
5352 | INIT_GETPEERNAME; | |
5353 | INIT_IOCTL; | |
5354 | INIT_INET_ATON; | |
5355 | INIT_SYSINFO; | |
5356 | INIT_READDIR; | |
5357 | INIT_READDIR64; | |
5358 | INIT_PTRACE; | |
5359 | INIT_SETLOCALE; | |
5360 | INIT_GETCWD; | |
5361 | INIT_GET_CURRENT_DIR_NAME; | |
5362 | INIT_STRTOIMAX; | |
5363 | INIT_MBSTOWCS; | |
5364 | INIT_MBSNRTOWCS; | |
5365 | INIT_WCSTOMBS; | |
5366 | INIT_WCSNRTOMBS; | |
5367 | INIT_WCRTOMB; | |
5368 | INIT_TCGETATTR; | |
5369 | INIT_REALPATH; | |
5370 | INIT_CANONICALIZE_FILE_NAME; | |
5371 | INIT_CONFSTR; | |
5372 | INIT_SCHED_GETAFFINITY; | |
5373 | INIT_SCHED_GETPARAM; | |
5374 | INIT_STRERROR; | |
5375 | INIT_STRERROR_R; | |
5376 | INIT_XPG_STRERROR_R; | |
5377 | INIT_SCANDIR; | |
5378 | INIT_SCANDIR64; | |
5379 | INIT_GETGROUPS; | |
5380 | INIT_POLL; | |
5381 | INIT_PPOLL; | |
5382 | INIT_WORDEXP; | |
5383 | INIT_SIGWAIT; | |
5384 | INIT_SIGWAITINFO; | |
5385 | INIT_SIGTIMEDWAIT; | |
5386 | INIT_SIGSETOPS; | |
5387 | INIT_SIGPENDING; | |
5388 | INIT_SIGPROCMASK; | |
5389 | INIT_BACKTRACE; | |
5390 | INIT__EXIT; | |
5391 | INIT_PTHREAD_MUTEX_LOCK; | |
5392 | INIT_PTHREAD_MUTEX_UNLOCK; | |
5393 | INIT_GETMNTENT; | |
5394 | INIT_GETMNTENT_R; | |
5395 | INIT_STATFS; | |
5396 | INIT_STATFS64; | |
5397 | INIT_STATVFS; | |
5398 | INIT_STATVFS64; | |
5399 | INIT_INITGROUPS; | |
5400 | INIT_ETHER_NTOA_ATON; | |
5401 | INIT_ETHER_HOST; | |
5402 | INIT_ETHER_R; | |
5403 | INIT_SHMCTL; | |
5404 | INIT_RANDOM_R; | |
5405 | INIT_PTHREAD_ATTR_GET; | |
5406 | INIT_PTHREAD_ATTR_GETINHERITSCHED; | |
5407 | INIT_PTHREAD_ATTR_GETAFFINITY_NP; | |
5408 | INIT_PTHREAD_MUTEXATTR_GETPSHARED; | |
5409 | INIT_PTHREAD_MUTEXATTR_GETTYPE; | |
5410 | INIT_PTHREAD_MUTEXATTR_GETPROTOCOL; | |
5411 | INIT_PTHREAD_MUTEXATTR_GETPRIOCEILING; | |
5412 | INIT_PTHREAD_MUTEXATTR_GETROBUST; | |
5413 | INIT_PTHREAD_MUTEXATTR_GETROBUST_NP; | |
5414 | INIT_PTHREAD_RWLOCKATTR_GETPSHARED; | |
5415 | INIT_PTHREAD_RWLOCKATTR_GETKIND_NP; | |
5416 | INIT_PTHREAD_CONDATTR_GETPSHARED; | |
5417 | INIT_PTHREAD_CONDATTR_GETCLOCK; | |
5418 | INIT_PTHREAD_BARRIERATTR_GETPSHARED; | |
5419 | INIT_TMPNAM; | |
5420 | INIT_TMPNAM_R; | |
5421 | INIT_TEMPNAM; | |
5422 | INIT_PTHREAD_SETNAME_NP; | |
5423 | INIT_SINCOS; | |
5424 | INIT_REMQUO; | |
5425 | INIT_LGAMMA; | |
5426 | INIT_LGAMMA_R; | |
5427 | INIT_LGAMMAL_R; | |
5428 | INIT_DRAND48_R; | |
5429 | INIT_RAND_R; | |
5430 | INIT_GETLINE; | |
5431 | INIT_ICONV; | |
5432 | INIT_TIMES; | |
5433 | INIT_TLS_GET_ADDR; | |
5434 | INIT_LISTXATTR; | |
5435 | INIT_GETXATTR; | |
5436 | INIT_GETRESID; | |
5437 | INIT_GETIFADDRS; | |
5438 | INIT_IF_INDEXTONAME; | |
5439 | INIT_CAPGET; | |
5440 | INIT_AEABI_MEM; | |
5441 | INIT___BZERO; | |
5442 | INIT_FTIME; | |
5443 | INIT_XDR; | |
5444 | INIT_TSEARCH; | |
5445 | INIT_LIBIO_INTERNALS; | |
5446 | INIT_FOPEN; | |
5447 | INIT_FOPEN64; | |
1a4d82fc | 5448 | INIT_OPEN_MEMSTREAM; |
92a42be0 SL |
5449 | INIT_OBSTACK; |
5450 | INIT_FFLUSH; | |
5451 | INIT_FCLOSE; | |
5452 | INIT_DLOPEN_DLCLOSE; | |
5453 | INIT_GETPASS; | |
5454 | INIT_TIMERFD; | |
5455 | INIT_MLOCKX; | |
5456 | INIT_FOPENCOOKIE; | |
5457 | INIT_SEM; | |
5458 | INIT_PTHREAD_SETCANCEL; | |
5459 | INIT_MINCORE; | |
5460 | INIT_PROCESS_VM_READV; | |
5461 | } |