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