ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Apr 27 15:10:26 2017 +0200| [48b3117844177d8442bc9fa3ede1d31ce82ae6fc] | committer: Michael Niedermayer
avcodec/svq3: Reject dx/dy beyond 16bit The code does use 16bit sized arrays later so larger deltas would not work Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=48b3117844177d8442bc9fa3ede1d31ce82ae6fc --- libavcodec/svq3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c index 3e35fd73d6..76a465b9c0 100644 --- a/libavcodec/svq3.c +++ b/libavcodec/svq3.c @@ -551,7 +551,7 @@ static inline int svq3_mc_dir(SVQ3Context *s, int size, int mode, dy = get_interleaved_se_golomb(&s->gb_slice); dx = get_interleaved_se_golomb(&s->gb_slice); - if (dx == INVALID_VLC || dy == INVALID_VLC) { + if (dx != (int16_t)dx || dy != (int16_t)dy) { av_log(s->avctx, AV_LOG_ERROR, "invalid MV vlc\n"); return -1; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
