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Commit Graph

8 Commits

Author SHA1 Message Date
Michael Niedermayer
cdd886a286 avcodec/arbc: Skip tiles in fill_tileX() which are completely outside
Fixes: signed integer overflow: 2052526848 + 147237888 cannot be represented in type 'int'
Fixes: 14441/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ARBC_fuzzer-5717632944177152
Fixes: 14453/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ARBC_fuzzer-5739679254577152

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-06-04 13:06:41 +02:00
Michael Niedermayer
7c2ee8d43d avcodec/arbc: Try to correct keyframe/frame type
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-04-24 17:05:02 +02:00
Michael Niedermayer
8b10f09fd5 avcodec/arbc: Skip unchanged frames
Fixes: Timeout (16sec -> 5sec)
Fixes: 14128/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ARBC_fuzzer-5767365721063424

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-04-24 17:05:02 +02:00
Michael Niedermayer
9d20901b92 avcodec/arbc: Check nb_segments before allocating and copying frame
Fixes: Timeout (30sec -> 2sec)
Fixes: 13578/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ARBC_fuzzer-5685625527730176

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-03-20 21:12:45 +01:00
Carl Eugen Hoyos
4602456c4f lavc/arbc: Use AV_WB24() where applicable. 2019-03-20 17:53:34 +01:00
Michael Niedermayer
160851bcee avcodec/arbc: Check nb_tiles against dimensions
Fixes: Timeout
Fixes: 12967/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ARBC_fuzzer-5639021454163968

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-02-25 18:03:24 +01:00
James Almer
286e58bb1f avcodec/arbc: clear decoder state when seeking
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
2019-01-28 18:14:08 -03:00
Paul B Mahol
795af110f7 avcodec: add ARBC decoder
Thanks Kostya for great help in reversing binary.
2019-01-27 13:53:29 +01:00