| // Copyright 2019 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 "base/logging.h" |
| #include "components/zucchini/buffer_view.h" |
| #include "components/zucchini/disassembler.h" |
| #include "components/zucchini/disassembler_elf.h" |
| #include "components/zucchini/fuzzers/fuzz_utils.h" |
| |
| namespace { |
| |
| struct Environment { |
| Environment() { logging::SetMinLogLevel(logging::LOG_FATAL); } |
| }; |
| |
| } // namespace |
| |
| 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()); |
| |
| // Create disassembler. Early exit on failure. |
| auto disassembler_elf_x64 = |
| zucchini::Disassembler::Make<zucchini::DisassemblerElfX64>(image); |
| if (disassembler_elf_x64) { |
| zucchini::ReadAndWriteReferences(std::move(disassembler_elf_x64), |
| &mutable_data); |
| return 0; |
| } |
| |
| auto disassembler_elf_x86 = |
| zucchini::Disassembler::Make<zucchini::DisassemblerElfX86>(image); |
| if (disassembler_elf_x86) |
| zucchini::ReadAndWriteReferences(std::move(disassembler_elf_x86), |
| &mutable_data); |
| return 0; |
| } |