| // RUN: %clang_cl_asan -Od %s -Fe%t |
| // RUN: %env_asan_opts=windows_hook_rtl_allocators=true not %run %t 2>&1 | FileCheck %s |
| // UNSUPPORTED: asan-64-bits |
| #include <stdio.h> |
| #include <windows.h> |
| |
| int main() { |
| char *oldbuf; |
| size_t sz = 8; |
| HANDLE procHeap = GetProcessHeap(); |
| oldbuf = (char *)HeapAlloc(procHeap, 0, sz); |
| char *newbuf = oldbuf; |
| while (oldbuf == newbuf) { |
| sz *= 2; |
| newbuf = (char *)HeapReAlloc(procHeap, 0, oldbuf, sz); |
| } |
| |
| newbuf[0] = 'a'; |
| oldbuf[0] = 'a'; |
| // CHECK: AddressSanitizer: heap-use-after-free on address [[ADDR:0x[0-9a-f]+]] |
| // CHECK: WRITE of size 1 at [[WRITE2:0x[0-9a-f]+]] thread T0 |
| // CHECK: #0 {{0x[0-9a-f]+ in main.*}}:[[@LINE-3]] |
| } |
