| 1 | #include <stdio.h> |
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| 2 | #include <windows.h> |
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| 3 | |
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| 4 | // RUN: %clang_cl_asan %LD %Od -DDLL %s %Fe%t.dll |
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| 5 | // RUN: %clang_cl %Od -DEXE %s %Fe%te.exe |
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| 6 | // RUN: %env_asan_opts=windows_hook_rtl_allocators=true not %run %te.exe %t.dll 2>&1 | FileCheck %s |
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| 7 | // REQUIRES: asan-dynamic-runtime |
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| 8 | // REQUIRES: asan-32-bits |
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| 9 | |
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| 10 | #include <cassert> |
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| 11 | #include <stdio.h> |
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| 12 | #include <windows.h> |
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| 13 | extern "C" { |
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| 14 | #if defined(EXE) |
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| 15 | |
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| 16 | int main(int argc, char **argv) { |
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| 17 | void *region_without_hooks = HeapAlloc(GetProcessHeap(), 0, 10); |
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| 18 | HMODULE lib = LoadLibraryA(argv[1]); |
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| 19 | assert(lib != INVALID_HANDLE_VALUE); |
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| 20 | |
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| 21 | void *region_w_hooks = HeapAlloc(GetProcessHeap(), 0, 10); |
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| 22 | assert(region_w_hooks != nullptr); |
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| 23 | assert(0 != FreeLibrary(lib)); |
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| 24 | |
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| 25 | fprintf(stderr, "WITHOUT:0x%08x\n" , (unsigned int)region_without_hooks); |
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| 26 | fprintf(stderr, "WITH:0x%08x\n" , (unsigned int)region_w_hooks); |
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| 27 | |
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| 28 | assert(0 != HeapFree(GetProcessHeap(), 0, region_without_hooks)); |
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| 29 | assert(0 != HeapFree(GetProcessHeap(), 0, region_w_hooks)); |
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| 30 | |
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| 31 | HeapFree(GetProcessHeap(), 0, region_w_hooks); //will dump |
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| 32 | } |
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| 33 | #elif defined(DLL) |
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| 34 | // This global is registered at startup. |
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| 35 | |
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| 36 | BOOL WINAPI DllMain(HMODULE, DWORD reason, LPVOID) { |
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| 37 | fprintf(stderr, "in DLL(reason=%d)\n" , (int)reason); |
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| 38 | fflush(0); |
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| 39 | return TRUE; |
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| 40 | } |
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| 41 | |
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| 42 | // CHECK: in DLL(reason=1) |
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| 43 | // CHECK: in DLL(reason=0) |
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| 44 | // CHECK: WITHOUT:[[WITHOUT:0x[0-9a-fA-F]+]] |
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| 45 | // CHECK: WITH:[[WITH:0x[0-9a-fA-F]+]] |
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| 46 | // CHECK: AddressSanitizer: attempting double-free on [[WITH]] in thread T0: |
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| 47 | |
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| 48 | #else |
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| 49 | #error oops! |
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| 50 | #endif |
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| 51 | } |
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| 52 | |
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