| 1 | // RUN: %clang_cl_asan %Od %s %Fe%t %MD |
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| 2 | // RUN: %env_asan_opts=windows_hook_rtl_allocators=true %run %t 2>&1 | FileCheck %s |
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| 3 | // UNSUPPORTED: asan-64-bits |
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| 4 | |
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| 5 | #include <assert.h> |
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| 6 | #include <stdio.h> |
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| 7 | #include <windows.h> |
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| 8 | |
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| 9 | extern "C" int __sanitizer_get_ownership(const volatile void *p); |
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| 10 | using AllocateFunctionPtr = PVOID(__stdcall *)(PVOID, ULONG, SIZE_T); |
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| 11 | using FreeFunctionPtr = PVOID(__stdcall *)(PVOID, ULONG, PVOID); |
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| 12 | |
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| 13 | int main() { |
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| 14 | HMODULE NtDllHandle = GetModuleHandle("ntdll.dll" ); |
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| 15 | if (!NtDllHandle) { |
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| 16 | puts(s: "Couldn't load ntdll??" ); |
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| 17 | return -1; |
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| 18 | } |
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| 19 | |
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| 20 | auto RtlAllocateHeap_ptr = (AllocateFunctionPtr)GetProcAddress(NtDllHandle, "RtlAllocateHeap" ); |
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| 21 | if (RtlAllocateHeap_ptr == 0) { |
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| 22 | puts(s: "Couldn't RtlAllocateHeap" ); |
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| 23 | return -1; |
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| 24 | } |
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| 25 | |
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| 26 | auto RtlFreeHeap_ptr = (FreeFunctionPtr)GetProcAddress(NtDllHandle, "RtlFreeHeap" ); |
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| 27 | if (RtlFreeHeap_ptr == 0) { |
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| 28 | puts(s: "Couldn't RtlFreeHeap" ); |
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| 29 | return -1; |
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| 30 | } |
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| 31 | |
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| 32 | char *winbuf; |
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| 33 | char *asanbuf; |
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| 34 | winbuf = (char *)RtlAllocateHeap_ptr(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS, 32), |
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| 35 | asanbuf = (char *)RtlAllocateHeap_ptr(GetProcessHeap(), 0, 32), |
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| 36 | winbuf[0] = 'a'; |
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| 37 | assert(!__sanitizer_get_ownership(winbuf)); |
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| 38 | assert(__sanitizer_get_ownership(asanbuf)); |
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| 39 | |
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| 40 | RtlFreeHeap_ptr(GetProcessHeap(), 0, winbuf); |
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| 41 | RtlFreeHeap_ptr(GetProcessHeap(), 0, asanbuf); |
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| 42 | puts(s: "Okay" ); |
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| 43 | // CHECK: Okay |
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| 44 | } |
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| 45 | |
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