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- // Copyright 2018 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include <stddef.h>
- #include <stdint.h>
- #include <map>
- #include <memory>
- #include <vector>
- #include "base/logging.h"
- #include "components/zucchini/buffer_view.h"
- #include "components/zucchini/disassembler.h"
- #include "components/zucchini/disassembler_win32.h"
- #include "components/zucchini/fuzzers/fuzz_utils.h"
- namespace {
- struct Environment {
- Environment() {
- logging::SetMinLogLevel(logging::LOG_FATAL); // Disable console spamming.
- }
- };
- } // namespace
- // Entry point for LibFuzzer.
- extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
- static Environment env;
- if (!size)
- return 0;
- // Prepare data.
- std::vector<uint8_t> mutable_data(data, data + size);
- zucchini::ConstBufferView image(mutable_data.data(), mutable_data.size());
- // One of x86 or x64 should return a non-nullptr if the data is valid.
- auto disassembler_win32x86 =
- zucchini::Disassembler::Make<zucchini::DisassemblerWin32X86>(image);
- if (disassembler_win32x86) {
- zucchini::ReadAndWriteReferences(std::move(disassembler_win32x86),
- &mutable_data);
- return 0;
- }
- auto disassembler_win32x64 =
- zucchini::Disassembler::Make<zucchini::DisassemblerWin32X64>(image);
- if (disassembler_win32x64)
- zucchini::ReadAndWriteReferences(std::move(disassembler_win32x64),
- &mutable_data);
- return 0;
- }
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