Commit graph

4 commits

Author SHA1 Message Date
Michael Niedermayer
00b0d595eb avcodec/ylc: Fix shift overflow
Fixes: runtime error: shift exponent 32 is too large for 32-bit type 'unsigned int'
Fixes: 2698/clusterfuzz-testcase-minimized-4713541443518464

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 03a9e6ff30)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-07-26 00:14:21 +02:00
Michael Niedermayer
6405c66a51 avcodec/ylc: Fix vlc of 31 bits
Fixes: runtime error: left shift of 1 by 31 places cannot be represented in type 'int'
Fixes: 2515/clusterfuzz-testcase-minimized-6197200012967936

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>
(cherry picked from commit fe9242204d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-07-19 03:40:21 +02:00
Michael Niedermayer
b08f7e592f avcodec/ylc: Check count in build_vlc()
Fixes: runtime error: signed integer overflow: 211633430 + 2147483647 cannot be represented in type 'int'
Fixes: 1874/clusterfuzz-testcase-minimized-5037763613163520

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 67b30decf7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-06-16 01:05:28 +02:00
Paul B Mahol
8fb92ea7e2 avcodec: add YUY2 Lossless Codec decoder
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-06-26 10:18:10 +02:00