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Commit | Line | Data |
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1a4d82fc JJ |
1 | // Test max_redzone runtime option. |
2 | ||
92a42be0 | 3 | // RUN: %clangxx_asan -O0 %s -o %t && %env_asan_opts=max_redzone=16 %run %t 0 2>&1 |
1a4d82fc | 4 | // RUN: %clangxx_asan -O0 %s -o %t && %run %t 1 2>&1 |
92a42be0 | 5 | // RUN: %clangxx_asan -O3 %s -o %t && %env_asan_opts=max_redzone=16 %run %t 0 2>&1 |
1a4d82fc JJ |
6 | // RUN: %clangxx_asan -O3 %s -o %t && %run %t 1 2>&1 |
7 | ||
8 | #include <stdio.h> | |
9 | #include <stdlib.h> | |
10 | #include <stdint.h> | |
92a42be0 | 11 | #include <sanitizer/allocator_interface.h> |
1a4d82fc JJ |
12 | |
13 | int main(int argc, char **argv) { | |
14 | if (argc < 2) | |
15 | return 1; | |
16 | bool large_redzone = atoi(argv[1]); | |
92a42be0 | 17 | size_t before = __sanitizer_get_heap_size(); |
1a4d82fc JJ |
18 | void *pp[10000]; |
19 | for (int i = 0; i < 10000; ++i) | |
20 | pp[i] = malloc(4096 - 64); | |
92a42be0 | 21 | size_t after = __sanitizer_get_heap_size(); |
1a4d82fc JJ |
22 | for (int i = 0; i < 10000; ++i) |
23 | free(pp[i]); | |
24 | size_t diff = after - before; | |
25 | return !(large_redzone ? diff > 46000000 : diff < 46000000); | |
26 | } |