// Copyright 2023 The Crashpad Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <string.h>
#include "base/check.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "client/crashpad_client.h"
#include "util/misc/paths.h"
#include <Windows.h>
// We set up a program that crashes with a heap corruption exception.
// STATUS_HEAP_CORRUPTION (0xC0000374 3221226356).
namespace crashpad {
namespace {
void HeapCorruptionCrash() {
__try {
HANDLE heap = ::HeapCreate(0, 0, 0);
CHECK(heap);
CHECK(HeapSetInformation(
heap, HeapEnableTerminationOnCorruption, nullptr, 0));
void* addr = ::HeapAlloc(heap, 0, 0x1000);
CHECK(addr);
// Corrupt heap header.
char* addr_mutable = reinterpret_cast<char*>(addr);
memset(addr_mutable - sizeof(addr), 0xCC, sizeof(addr));
HeapFree(heap, 0, addr);
HeapDestroy(heap);
} __except (EXCEPTION_EXECUTE_HANDLER) {
// Heap corruption exception should never be caught.
CHECK(false);
}
// Should never reach here.
abort();
}
int CrashyMain(int argc, wchar_t* argv[]) {
static CrashpadClient* client = new crashpad::CrashpadClient();
if (argc == 2) {
// We call this from end_to_end_test.py.
if (!client->SetHandlerIPCPipe(argv[1])) {
LOG(ERROR) << "SetHandler";
return EXIT_FAILURE;
}
} else if (argc == 3) {
// This is helpful for debugging.
if (!client->StartHandler(base::FilePath(argv[1]),
base::FilePath(argv[2]),
base::FilePath(),
std::string(),
std::map<std::string, std::string>(),
std::vector<std::string>(),
false,
true)) {
LOG(ERROR) << "StartHandler";
return EXIT_FAILURE;
}
// Got to have a handler & registration.
if (!client->WaitForHandlerStart(10000)) {
LOG(ERROR) << "Handler failed to start";
return EXIT_FAILURE;
}
} else {
fprintf(stderr, "Usage: %ls <server_pipe_name>\n", argv[0]);
fprintf(stderr, " %ls <handler_path> <database_path>\n", argv[0]);
return EXIT_FAILURE;
}
HeapCorruptionCrash();
LOG(ERROR) << "Invalid type or exception failed.";
return EXIT_FAILURE;
}
} // namespace
} // namespace crashpad
int wmain(int argc, wchar_t* argv[]) {
return crashpad::CrashyMain(argc, argv);
}