26 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// Simple test for a fuzzer. The fuzzer must find the string "Hi!".6#include <assert.h>7#include <cstddef>8#include <cstdint>9#include <cstdlib>10#include <iostream>11#include <ostream>12 13static volatile bool SeedLargeBuffer;14 15extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {16 assert(Data);17 if (Size >= 4)18 SeedLargeBuffer = true;19 if (Size == 3 && SeedLargeBuffer && Data[3]) {20 std::cout << "Woops, reading Data[3] w/o crashing\n" << std::flush;21 exit(1);22 }23 return 0;24}25 26