]>
Commit | Line | Data |
---|---|---|
1a4d82fc JJ |
1 | // Build a library with origin tracking and an executable w/o origin tracking. |
2 | // Test that origin tracking is enabled at runtime. | |
92a42be0 SL |
3 | // RUN: %clangxx_msan -fsanitize-memory-track-origins -O0 %s -DBUILD_SO -fPIC -shared -o %t-so.so |
4 | // RUN: %clangxx_msan -O0 %s %t-so.so -o %t && not %run %t 2>&1 | FileCheck %s | |
5 | ||
6 | #ifdef BUILD_SO | |
7 | ||
8 | #include <stdlib.h> | |
9 | ||
10 | extern "C" { | |
11 | void my_access(int *p) { | |
12 | volatile int tmp; | |
13 | // Force initialize-ness check. | |
14 | if (*p) | |
15 | tmp = 1; | |
16 | } | |
17 | ||
18 | void *my_alloc(unsigned sz) { | |
19 | return malloc(sz); | |
20 | } | |
21 | } // extern "C" | |
22 | ||
23 | #else // BUILD_SO | |
1a4d82fc JJ |
24 | |
25 | #include <stdlib.h> | |
26 | ||
92a42be0 SL |
27 | extern "C" { |
28 | void my_access(int *p); | |
29 | void *my_alloc(unsigned sz); | |
30 | } | |
1a4d82fc JJ |
31 | |
32 | int main(int argc, char **argv) { | |
33 | int *x = (int *)my_alloc(sizeof(int)); | |
34 | my_access(x); | |
35 | delete x; | |
36 | ||
37 | // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value | |
92a42be0 | 38 | // CHECK: {{#0 0x.* in my_access .*dso-origin.cc:}} |
1a4d82fc JJ |
39 | // CHECK: {{#1 0x.* in main .*dso-origin.cc:}}[[@LINE-5]] |
40 | // CHECK: Uninitialized value was created by a heap allocation | |
41 | // CHECK: {{#0 0x.* in .*malloc}} | |
92a42be0 | 42 | // CHECK: {{#1 0x.* in my_alloc .*dso-origin.cc:}} |
1a4d82fc | 43 | // CHECK: {{#2 0x.* in main .*dso-origin.cc:}}[[@LINE-10]] |
92a42be0 | 44 | // CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*dso-origin.cc:.* my_access}} |
1a4d82fc JJ |
45 | return 0; |
46 | } | |
92a42be0 SL |
47 | |
48 | #endif // BUILD_SO |