52 lines · cpp
1#include <stdio.h>2#include <windows.h>3 4// RUN: %clang_cl_asan %LD %Od -DDLL %s %Fe%t.dll5// RUN: %clang_cl %Od -DEXE %s %Fe%te.exe6// RUN: %env_asan_opts=windows_hook_rtl_allocators=true not %run %te.exe %t.dll 2>&1 | FileCheck %s7// REQUIRES: asan-dynamic-runtime8// REQUIRES: asan-32-bits9 10#include <cassert>11#include <stdio.h>12#include <windows.h>13extern "C" {14#if defined(EXE)15 16int main(int argc, char **argv) {17 void *region_without_hooks = HeapAlloc(GetProcessHeap(), 0, 10);18 HMODULE lib = LoadLibraryA(argv[1]);19 assert(lib != INVALID_HANDLE_VALUE);20 21 void *region_w_hooks = HeapAlloc(GetProcessHeap(), 0, 10);22 assert(region_w_hooks != nullptr);23 assert(0 != FreeLibrary(lib));24 25 fprintf(stderr, "WITHOUT:0x%08x\n", (unsigned int)region_without_hooks);26 fprintf(stderr, "WITH:0x%08x\n", (unsigned int)region_w_hooks);27 28 assert(0 != HeapFree(GetProcessHeap(), 0, region_without_hooks));29 assert(0 != HeapFree(GetProcessHeap(), 0, region_w_hooks));30 31 HeapFree(GetProcessHeap(), 0, region_w_hooks); //will dump32}33#elif defined(DLL)34// This global is registered at startup.35 36BOOL WINAPI DllMain(HMODULE, DWORD reason, LPVOID) {37 fprintf(stderr, "in DLL(reason=%d)\n", (int)reason);38 fflush(0);39 return TRUE;40}41 42// CHECK: in DLL(reason=1)43// CHECK: in DLL(reason=0)44// CHECK: WITHOUT:[[WITHOUT:0x[0-9a-fA-F]+]]45// CHECK: WITH:[[WITH:0x[0-9a-fA-F]+]]46// CHECK: AddressSanitizer: attempting double-free on [[WITH]] in thread T0:47 48#else49#error oops!50#endif51}52