mirror of https://github.com/google/snappy.git
65 lines
2.8 KiB
C++
65 lines
2.8 KiB
C++
// Copyright 2019 Google Inc. All Rights Reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following disclaimer
|
|
// in the documentation and/or other materials provided with the
|
|
// distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived from
|
|
// this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// libFuzzer harness for fuzzing snappy compression code.
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#include <cassert>
|
|
#include <string>
|
|
|
|
#include "snappy.h"
|
|
|
|
// Entry point for LibFuzzer.
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
|
|
std::string input(reinterpret_cast<const char*>(data), size);
|
|
for (int level = snappy::CompressionOptions::MinCompressionLevel();
|
|
level <= snappy::CompressionOptions::MaxCompressionLevel(); ++level) {
|
|
std::string compressed;
|
|
size_t compressed_size =
|
|
snappy::Compress(input.data(), input.size(), &compressed,
|
|
snappy::CompressionOptions{/*level=*/level});
|
|
|
|
(void)compressed_size; // Variable only used in debug builds.
|
|
assert(compressed_size == compressed.size());
|
|
assert(compressed.size() <= snappy::MaxCompressedLength(input.size()));
|
|
assert(
|
|
snappy::IsValidCompressedBuffer(compressed.data(), compressed.size()));
|
|
|
|
std::string uncompressed_after_compress;
|
|
bool uncompress_succeeded = snappy::Uncompress(
|
|
compressed.data(), compressed.size(), &uncompressed_after_compress);
|
|
|
|
(void)uncompress_succeeded; // Variable only used in debug builds.
|
|
assert(uncompress_succeeded);
|
|
assert(input == uncompressed_after_compress);
|
|
}
|
|
return 0;
|
|
}
|