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* avcodec/mvha: Check remaining bits in VLC decode loopMichael Niedermayer2020-02-09
| | | | | | | | Fixes: timeout (252sec -> 170msec) Fixes: 20023/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MVHA_fuzzer-5681192565473280 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* libavcodec/mvha: Check height before applying median predictorMichael Niedermayer2020-02-09
| | | | | | | | | Fixes: out of array read Fixes: 20495/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MVHA_fuzzer-5711179129552896 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/mvha: fix warning: variable 'size' set but not usedLimin Wang2019-12-27
| | | | | | Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Limin Wang <lance.lmwang@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>
* avcodec/mvha: Check remaining space when reading VLC table probabilitiesMichael Niedermayer2019-12-06
| | | | | | | | | Fixes: Infinite loop Fixes: 19183/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MVHA_fuzzer-5666216765292544 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* lavc/mvha: Check init_get_bits8() for failureJun Zhao2019-11-29
| | | | | | fix potential null pointer dereference Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
* avcodec: add mvha video decoderPaul B Mahol2019-11-27
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