forked from OSchip/llvm-project
41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// Simple test for a cutom mutator that results in long sequences of mutations.
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#include <assert.h>
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#include <cstddef>
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#include <cstdint>
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#include <cstdlib>
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#include <iostream>
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#include <ostream>
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#include "FuzzerInterface.h"
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static volatile int Sink;
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
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assert(Data);
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if (Size > 0 && Data[0] == 'H') {
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Sink = 1;
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if (Size > 1 && Data[1] == 'i') {
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Sink = 2;
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if (Size > 2 && Data[2] == '!') {
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std::cout << "BINGO; Found the target, exiting\n"
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<< std::flush;
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exit(1);
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}
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}
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}
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return 0;
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}
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extern "C" size_t LLVMFuzzerCustomMutator(uint8_t *Data, size_t Size,
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size_t MaxSize, unsigned int Seed) {
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// Run this 25 times to generate a large mutation sequence.
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for (size_t i = 0; i < 25; i++) {
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LLVMFuzzerMutate(Data, Size, MaxSize);
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}
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return LLVMFuzzerMutate(Data, Size, MaxSize);
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}
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