1 // Copyright 2024 Google Inc. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 //////////////////////////////////////////////////////////////////////////////// 16 17 #include <cstdint> 18 #include <cstdio> 19 #include <string_view> 20 21 #include "src/webp/decode.h" 22 #include "tests/fuzzer/fuzz_utils.h" 23 24 namespace { 25 DecodeWebP(std::string_view arbitrary_bytes)26void DecodeWebP(std::string_view arbitrary_bytes) { 27 WebPDecoderConfig decoder_config; 28 if (!WebPInitDecoderConfig(&decoder_config)) { 29 fprintf(stderr, "WebPInitDecoderConfig failed.\n"); 30 abort(); 31 } 32 const VP8StatusCode status = 33 WebPDecode(reinterpret_cast<const uint8_t*>(arbitrary_bytes.data()), 34 arbitrary_bytes.size(), &decoder_config); 35 WebPFreeDecBuffer(&decoder_config.output); 36 // The decoding may fail (because the fuzzed input can be anything) but not 37 // for these reasons. 38 if (status == VP8_STATUS_SUSPENDED || status == VP8_STATUS_USER_ABORT) { 39 abort(); 40 } 41 } 42 43 FUZZ_TEST(WebPSuite, DecodeWebP) 44 .WithDomains( 45 fuzztest::String() 46 .WithMaxSize(fuzz_utils::kMaxWebPFileSize + 1)); 47 48 } // namespace 49