24 lines · cpp
1// RUN: %clang_cl_asan %Od %s %Fe%t2// RUN: %env_asan_opts=windows_hook_rtl_allocators=true not %run %t 2>&1 | FileCheck %s3// UNSUPPORTED: asan-64-bits4#include <stdio.h>5#include <windows.h>6 7int 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 T022 // CHECK: #0 {{0x[0-9a-f]+ in main.*}}:[[@LINE-3]]23}24