// Copyright (c) 2020-2021 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include #include #include #include #include #include #include #include #include #include FUZZ_TARGET(autofile) { FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()}; FuzzedAutoFileProvider fuzzed_auto_file_provider = ConsumeAutoFile(fuzzed_data_provider); CAutoFile auto_file = fuzzed_auto_file_provider.open(); LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10000) { CallOneOf( fuzzed_data_provider, [&] { std::array arr{}; try { auto_file.read((char*)arr.data(), fuzzed_data_provider.ConsumeIntegralInRange(0, 4096)); } catch (const std::ios_base::failure&) { } }, [&] { const std::array arr{}; try { auto_file.write((const char*)arr.data(), fuzzed_data_provider.ConsumeIntegralInRange(0, 4096)); } catch (const std::ios_base::failure&) { } }, [&] { try { auto_file.ignore(fuzzed_data_provider.ConsumeIntegralInRange(0, 4096)); } catch (const std::ios_base::failure&) { } }, [&] { auto_file.fclose(); }, [&] { ReadFromStream(fuzzed_data_provider, auto_file); }, [&] { WriteToStream(fuzzed_data_provider, auto_file); }); } (void)auto_file.Get(); (void)auto_file.GetType(); (void)auto_file.GetVersion(); (void)auto_file.IsNull(); if (fuzzed_data_provider.ConsumeBool()) { FILE* f = auto_file.release(); if (f != nullptr) { fclose(f); } } }