Initial release

2026-08-16 18:27:57 +07:00
commit 8ff9ca0fc0
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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 <cstdlib>
+#include <cstring>
+#include <string_view>
+
+#include "./nalloc.h"
+#include "tests/fuzzer/fuzz_utils.h"
+#include "webp/decode.h"
+
+namespace {
+
+void DecodeWebP(std::string_view arbitrary_bytes,
+                const fuzz_utils::WebPDecoderOptionsCpp& decoder_options) {
+  WebPDecoderConfig decoder_config;
+  if (!WebPInitDecoderConfig(&decoder_config)) {
+    fprintf(stderr, "WebPInitDecoderConfig failed.\n");
+    std::abort();
+  }
+  nalloc_init(nullptr);
+  nalloc_start(reinterpret_cast<const uint8_t*>(arbitrary_bytes.data()),
+               arbitrary_bytes.size());
+  std::memcpy(&decoder_config.options, &decoder_options,
+              sizeof(decoder_options));
+  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) {
+    std::abort();
+  }
+  nalloc_end();
+}
+
+FUZZ_TEST(WebPSuite, DecodeWebP)
+    .WithDomains(fuzztest::String().WithMaxSize(fuzz_utils::kMaxWebPFileSize +
+                                                1),
+                 fuzz_utils::ArbitraryValidWebPDecoderOptions());
+
+}  // namespace