| 1 | // RUN: %clang_cl_asan %Od %s %Fe%t |
|---|
| 2 | // RUN: %env_asan_opts=windows_hook_rtl_allocators=true not %run %t 2>&1 | FileCheck %s |
|---|
| 3 | // UNSUPPORTED: asan-64-bits |
|---|
| 4 | #include <stdio.h> |
|---|
| 5 | #include <windows.h> |
|---|
| 6 | |
|---|
| 7 | int main() { |
|---|
| 8 | char *oldbuf; |
|---|
| 9 | size_t sz = 8; |
|---|
| 10 | HANDLE procHeap = GetProcessHeap(); |
|---|
| 11 | oldbuf = (char *)HeapAlloc(procHeap, 0, sz); |
|---|
| 12 | char *newbuf = oldbuf; |
|---|
| 13 | while (oldbuf == newbuf) { |
|---|
| 14 | sz *= 2; |
|---|
| 15 | newbuf = (char *)HeapReAlloc(procHeap, 0, oldbuf, sz); |
|---|
| 16 | } |
|---|
| 17 | |
|---|
| 18 | newbuf[0] = 'a'; |
|---|
| 19 | oldbuf[0] = 'a'; |
|---|
| 20 | // CHECK: AddressSanitizer: heap-use-after-free on address [[ADDR:0x[0-9a-f]+]] |
|---|
| 21 | // CHECK: WRITE of size 1 at [[WRITE2:0x[0-9a-f]+]] thread T0 |
|---|
| 22 | // CHECK: #0 {{0x[0-9a-f]+ in main.*}}:[[@LINE-3]] |
|---|
| 23 | } |
|---|
| 24 | |
|---|
