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author | Victor Costan <costan@google.com> | 2019-08-19 23:23:23 -0700 |
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committer | Victor Costan <pwnall@chromium.org> | 2019-08-19 23:43:34 -0700 |
commit | 5a57d32566da4172f8178f6502dcbe05f7af0f68 (patch) | |
tree | 56551717caf6ab614e5a741e10e106a137d96a1a /snappy_compress_fuzzer.cc | |
parent | fd79e6f9b20c89db6f9d9cb40437abe0dd44009e (diff) | |
download | snappy-git-5a57d32566da4172f8178f6502dcbe05f7af0f68.tar.gz |
Rename zippy_*_fuzzer.cc -> snappy_*_fuzzer.cc.
PiperOrigin-RevId: 264321311
Diffstat (limited to 'snappy_compress_fuzzer.cc')
-rw-r--r-- | snappy_compress_fuzzer.cc | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/snappy_compress_fuzzer.cc b/snappy_compress_fuzzer.cc new file mode 100644 index 0000000..685d879 --- /dev/null +++ b/snappy_compress_fuzzer.cc @@ -0,0 +1,57 @@ +// 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 <cassert> +#include <cstddef> +#include <cstdint> +#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); + + std::string compressed; + size_t compressed_size = + snappy::Compress(input.data(), input.size(), &compressed); + + 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); + + assert(uncompress_succeeded); + assert(input == uncompressed_after_compress); + return 0; +} |