28 lines · cpp
1// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.2// See https://llvm.org/LICENSE.txt for license information.3// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception4 5// Threaded test for a fuzzer. The fuzzer should not crash.6#include <assert.h>7#include <cstddef>8#include <cstdint>9#include <cstring>10#include <thread>11 12extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {13 if (Size < 8) return 0;14 assert(Data);15 auto C = [&] {16 size_t Res = 0;17 for (size_t i = 0; i < Size / 2; i++)18 Res += memcmp(Data, Data + Size / 2, 4);19 return Res;20 };21 std::thread T[] = {std::thread(C), std::thread(C), std::thread(C),22 std::thread(C), std::thread(C), std::thread(C)};23 for (auto &X : T)24 X.join();25 return 0;26}27 28