| // RUN: %clang_hwasan -O0 %s -o %t |
| // RUN: %env_hwasan_opts=malloc_bisect_left=0,malloc_bisect_right=0 not %run %t 2>&1 | \ |
| // RUN: FileCheck %s --check-prefix=CRASH |
| // RUN: %env_hwasan_opts=malloc_bisect_left=1000,malloc_bisect_right=999 %run %t 2>&1 |
| // RUN: %env_hwasan_opts=malloc_bisect_left=0,malloc_bisect_right=4294967295 not %run %t 2>&1 | \ |
| // RUN: FileCheck %s --check-prefix=CRASH |
| // RUN: %env_hwasan_opts=malloc_bisect_left=0,malloc_bisect_right=4294967295,malloc_bisect_dump=1 not %run %t 2>&1 | \ |
| // RUN: FileCheck %s --check-prefixes=CRASH,DUMP |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <sanitizer/hwasan_interface.h> |
| |
| int main() { |
| __hwasan_enable_allocator_tagging(); |
| // DUMP: [alloc] {{.*}} 10{{$}} |
| // DUMP: in main{{.*}}malloc_bisect.c |
| char * volatile p = (char*)malloc(10); |
| // CRASH: HWAddressSanitizer: tag-mismatch on address |
| // CRASH: in main{{.*}}malloc_bisect.c |
| char volatile x = p[16]; |
| free(p); |
| __hwasan_disable_allocator_tagging(); |
| |
| return 0; |
| } |