forked from Green-Sky/tomato
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
|
// Copyright 2020 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 "examples/anim_util.h"
|
||
|
|
#include "imageio/imageio_util.h"
|
||
|
|
#include "src/webp/demux.h"
|
||
|
|
|
||
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
|
||
|
|
// WebPAnimDecoderGetInfo() is too late to check the canvas size as
|
||
|
|
// WebPAnimDecoderNew() will handle the allocations.
|
||
|
|
WebPBitstreamFeatures features;
|
||
|
|
if (WebPGetFeatures(data, size, &features) == VP8_STATUS_OK) {
|
||
|
|
if (!ImgIoUtilCheckSizeArgumentsOverflow(features.width * 4,
|
||
|
|
features.height)) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// decode everything as an animation
|
||
|
|
WebPData webp_data = { data, size };
|
||
|
|
WebPAnimDecoder* const dec = WebPAnimDecoderNew(&webp_data, NULL);
|
||
|
|
if (dec == NULL) return 0;
|
||
|
|
|
||
|
|
WebPAnimInfo info;
|
||
|
|
if (!WebPAnimDecoderGetInfo(dec, &info)) goto End;
|
||
|
|
if (!ImgIoUtilCheckSizeArgumentsOverflow(info.canvas_width * 4,
|
||
|
|
info.canvas_height)) {
|
||
|
|
goto End;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (WebPAnimDecoderHasMoreFrames(dec)) {
|
||
|
|
uint8_t* buf;
|
||
|
|
int timestamp;
|
||
|
|
if (!WebPAnimDecoderGetNext(dec, &buf, ×tamp)) break;
|
||
|
|
}
|
||
|
|
End:
|
||
|
|
WebPAnimDecoderDelete(dec);
|
||
|
|
return 0;
|
||
|
|
}
|