mirror of
https://github.com/webmproject/libwebp.git
synced 2024-12-26 21:58:22 +01:00
b78d39571f
oss-fuzz does not support dynamic libraries so we stick to static. But libtiff.a has undefined symbols on Ubuntu, so we have to disable TIFF. Change-Id: Ibd1932f5780a0af51b6b398ae6415eed8685a0be
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
// 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.
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// Fuzzing of libwebp's image readers
|
|
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#include <cstdlib>
|
|
#include <iostream>
|
|
|
|
#include "imageio/image_dec.h"
|
|
#include "imageio/metadata.h"
|
|
#include "src/webp/encode.h"
|
|
#include "tests/fuzzer/fuzz_utils.h"
|
|
|
|
namespace {
|
|
|
|
void TestReader(const uint8_t *data, size_t size, WebPImageReader reader,
|
|
bool keep_alpha, bool use_argb) {
|
|
WebPPicture pic;
|
|
if (!WebPPictureInit(&pic)) {
|
|
std::cerr << "WebPPictureInit failed" << std::endl;
|
|
abort();
|
|
}
|
|
Metadata metadata;
|
|
MetadataInit(&metadata);
|
|
pic.use_argb = use_argb ? 1 : 0;
|
|
|
|
if (!fuzz_utils::IsImageTooBig(data, size)) {
|
|
(void)(*reader)(data, size, &pic, keep_alpha ? 1 : 0, &metadata);
|
|
}
|
|
WebPPictureFree(&pic);
|
|
MetadataFree(&metadata);
|
|
}
|
|
|
|
constexpr WebPInputFileFormat kUnknown = WEBP_UNSUPPORTED_FORMAT;
|
|
|
|
void Decode(std::string_view arbitrary_bytes, WebPInputFileFormat format,
|
|
bool keep_alpha, bool use_argb) {
|
|
const uint8_t *data =
|
|
reinterpret_cast<const uint8_t *>(arbitrary_bytes.data());
|
|
const size_t size = arbitrary_bytes.size();
|
|
if (format == kUnknown) {
|
|
(void)WebPGuessImageType(data, size); // shouldn't fail
|
|
TestReader(data, size, WebPGuessImageReader(data, size), keep_alpha,
|
|
use_argb);
|
|
} else {
|
|
TestReader(data, size, WebPGetImageReader(format), keep_alpha, use_argb);
|
|
}
|
|
}
|
|
|
|
FUZZ_TEST(ImageIOSuite, Decode)
|
|
.WithDomains(
|
|
fuzztest::String()
|
|
.WithMaxSize(fuzz_utils::kMaxWebPFileSize + 1),
|
|
fuzztest::ElementOf<WebPInputFileFormat>(
|
|
{WEBP_PNG_FORMAT, WEBP_JPEG_FORMAT, WEBP_TIFF_FORMAT,
|
|
WEBP_WEBP_FORMAT, WEBP_PNM_FORMAT, kUnknown}),
|
|
/*keep_alpha=*/fuzztest::Arbitrary<bool>(),
|
|
/*use_argb=*/fuzztest::Arbitrary<bool>());
|
|
|
|
} // namespace
|