diff options
Diffstat (limited to 'libs/binder/tests/unit_fuzzers/TextOutputFuzz.cpp')
-rw-r--r-- | libs/binder/tests/unit_fuzzers/TextOutputFuzz.cpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/libs/binder/tests/unit_fuzzers/TextOutputFuzz.cpp b/libs/binder/tests/unit_fuzzers/TextOutputFuzz.cpp new file mode 100644 index 0000000000..5e3502aace --- /dev/null +++ b/libs/binder/tests/unit_fuzzers/TextOutputFuzz.cpp @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2020 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <fuzzer/FuzzedDataProvider.h> + +#include <binder/Parcel.h> +#include <binder/TextOutput.h> +#include "android-base/file.h" +#include "android-base/test_utils.h" + +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <cstddef> +#include <limits> + +// Fuzzer for the TextOutput class. These were lifted from the existing +// test suite. +extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { + FuzzedDataProvider fdp(data, size); + CapturedStderr cap; + + while (fdp.remaining_bytes() > 1) { + switch (fdp.ConsumeIntegral<uint8_t>() % 3) { + case 0: { + std::string input = fdp.ConsumeBytesAsString( + fdp.ConsumeIntegralInRange<size_t>(0, fdp.remaining_bytes())); + android::aerr << input << android::endl; + break; + } + case 1: { + std::string str = fdp.ConsumeRandomLengthString(fdp.remaining_bytes()); + android::HexDump input(str.c_str(), sizeof(str.c_str())); + android::aerr << input << android::endl; + break; + } + case 2: { + android::TypeCode input(fdp.ConsumeIntegral<uint32_t>()); + android::aerr << input << android::endl; + } + } + } + cap.Stop(); + + return 0; +} |