ffmpeg | branch: release/2.8 | Michael Niedermayer <mich...@niedermayer.cc> | Sat Nov 14 01:35:08 2015 +0100| [c0748b9954c8cc8fd2aec10f722000c9ec1f349c] | committer: Michael Niedermayer
avcodec/utils: Better check for channels in av_get_audio_frame_duration() Fixes integer overflow Fixes: 0c2625f236ced104d402b4a03c0d65c7/asan_generic_274e1ce_5990_9314e7a67c26aecf011b178ade9f217c.avi Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 4e16ad2868a1819de6680fc355a8eb20164adaea) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c0748b9954c8cc8fd2aec10f722000c9ec1f349c --- libavcodec/utils.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/utils.c b/libavcodec/utils.c index f51070c..735e71a 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -3490,7 +3490,7 @@ int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes) return frame_bytes * 8 / bps; } - if (ch > 0) { + if (ch > 0 && ch < INT_MAX/16) { /* calc from frame_bytes and channels */ switch (id) { case AV_CODEC_ID_ADPCM_AFC: _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
