ffmpeg | branch: master | Michael Niedermayer <michae...@gmx.at> | Mon Nov 10 19:44:20 2014 +0100| [7656c4c6e66f8a787d384f027ad824cc1677fda1] | committer: Michael Niedermayer
avcodec/utvideodec: fix assumtation that slice_height >= 1 Fixes out of array read Fixes: asan_heap-oob_2573085_3783_utvideo_rgba_median.avi Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michae...@gmx.at> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7656c4c6e66f8a787d384f027ad824cc1677fda1 --- libavcodec/utvideodec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/utvideodec.c b/libavcodec/utvideodec.c index afd56ea..05c943f 100644 --- a/libavcodec/utvideodec.c +++ b/libavcodec/utvideodec.c @@ -224,7 +224,7 @@ static void restore_median(uint8_t *src, int step, int stride, A = bsrc[i]; } bsrc += stride; - if (slice_height == 1) + if (slice_height <= 1) continue; // second line - first element has top prediction, the rest uses median C = bsrc[-stride]; @@ -284,7 +284,7 @@ static void restore_median_il(uint8_t *src, int step, int stride, A = bsrc[stride + i]; } bsrc += stride2; - if (slice_height == 1) + if (slice_height <= 1) continue; // second line - first element has top prediction, the rest uses median C = bsrc[-stride2]; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
