ffmpeg | branch: master | Michael Niedermayer <michae...@gmx.at> | Thu Oct 30 16:53:09 2014 +0100| [10e32618acce9c3fc64c061eb7907e8a8d2749ae] | committer: Michael Niedermayer
avcodec/cook: check that the subpacket sizes fit in block_align Fixes out of array read Fixes: asan_heap-oob_fb5c50_19_018.rmvb 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=10e32618acce9c3fc64c061eb7907e8a8d2749ae --- libavcodec/cook.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/cook.c b/libavcodec/cook.c index eb2654e..0cc01d0 100644 --- a/libavcodec/cook.c +++ b/libavcodec/cook.c @@ -1215,8 +1215,8 @@ static av_cold int cook_decode_init(AVCodecContext *avctx) q->num_subpackets++; s++; - if (s > MAX_SUBPACKETS) { - avpriv_request_sample(avctx, "subpackets > %d", MAX_SUBPACKETS); + if (s > FFMIN(MAX_SUBPACKETS, avctx->block_align)) { + avpriv_request_sample(avctx, "subpackets > %d", FFMIN(MAX_SUBPACKETS, avctx->block_align)); return AVERROR_PATCHWELCOME; } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
