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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// Simple test for a fuzzer. The fuzzer must find the string "Hi!".
#include <assert.h>
#include <cstddef>
#include <cstdint>
#include <cstdlib>
#include <iostream>
#include <ostream>
static volatile bool SeedLargeBuffer;
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
if (Size >= 4)
SeedLargeBuffer = true;
if (Size == 3 && SeedLargeBuffer && Data[3]) {
std::cout << "Woops, reading Data[3] w/o crashing\n" << std::flush;
return 0;