51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
#include <stdio.h>
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#include <windows.h>
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// RUN: %clang_cl_asan %LD %Od -DDLL %s %Fe%t.dll
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// RUN: %clang_cl %Od -DEXE %s %Fe%te.exe
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// RUN: %env_asan_opts=windows_hook_rtl_allocators=true not %run %te.exe %t.dll 2>&1 | FileCheck %s
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// REQUIRES: asan-dynamic-runtime
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// REQUIRES: asan-32-bits
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#include <cassert>
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#include <stdio.h>
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#include <windows.h>
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extern "C" {
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#if defined(EXE)
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int main(int argc, char **argv) {
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void *region_without_hooks = HeapAlloc(GetProcessHeap(), 0, 10);
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HMODULE lib = LoadLibraryA(argv[1]);
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assert(lib != INVALID_HANDLE_VALUE);
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void *region_w_hooks = HeapAlloc(GetProcessHeap(), 0, 10);
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assert(region_w_hooks != nullptr);
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assert(0 != FreeLibrary(lib));
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fprintf(stderr, "WITHOUT:0x%08x\n", (unsigned int)region_without_hooks);
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fprintf(stderr, "WITH:0x%08x\n", (unsigned int)region_w_hooks);
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assert(0 != HeapFree(GetProcessHeap(), 0, region_without_hooks));
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assert(0 != HeapFree(GetProcessHeap(), 0, region_w_hooks));
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HeapFree(GetProcessHeap(), 0, region_w_hooks); //will dump
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}
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#elif defined(DLL)
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// This global is registered at startup.
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BOOL WINAPI DllMain(HMODULE, DWORD reason, LPVOID) {
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fprintf(stderr, "in DLL(reason=%d)\n", (int)reason);
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fflush(0);
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return TRUE;
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}
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// CHECK: in DLL(reason=1)
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// CHECK: in DLL(reason=0)
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// CHECK: WITHOUT:[[WITHOUT:0x[0-9a-fA-F]+]]
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// CHECK: WITH:[[WITH:0x[0-9a-fA-F]+]]
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// CHECK: AddressSanitizer: attempting double-free on [[WITH]] in thread T0:
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#else
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#error oops!
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#endif
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}
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