libwebp/tests/fuzzer/dec_fuzzer.cc

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// Copyright 2024 Google Inc.
//
// 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 <cstdint>
#include <cstdio>
#include <string_view>
#include "src/webp/decode.h"
#include "tests/fuzzer/fuzz_utils.h"
namespace {
void DecodeWebP(std::string_view arbitrary_bytes) {
WebPDecoderConfig decoder_config;
if (!WebPInitDecoderConfig(&decoder_config)) {
fprintf(stderr, "WebPInitDecoderConfig failed.\n");
abort();
}
const VP8StatusCode status =
WebPDecode(reinterpret_cast<const uint8_t*>(arbitrary_bytes.data()),
arbitrary_bytes.size(), &decoder_config);
WebPFreeDecBuffer(&decoder_config.output);
// The decoding may fail (because the fuzzed input can be anything) but not
// for these reasons.
if (status == VP8_STATUS_SUSPENDED || status == VP8_STATUS_USER_ABORT) {
abort();
}
}
FUZZ_TEST(WebPSuite, DecodeWebP)
.WithDomains(
fuzztest::String()
.WithMaxSize(fuzz_utils::kMaxWebPFileSize + 1));
} // namespace