ffmpeg | branch: release/2.7 | Andreas Cadhalpun <andreas.cadhal...@googlemail.com> | Sat Jun 27 17:50:56 2015 +0200| [eddf146ada12b394a7796af12bff2121505dc4a1] | committer: Andreas Cadhalpun
nutdec: check maxpos in read_sm_data before returning success Otherwise sm_size can be larger than size, which results in a negative packet size. Reviewed-by: Michael Niedermayer <michae...@gmx.at> Signed-off-by: Andreas Cadhalpun <andreas.cadhal...@googlemail.com> (cherry picked from commit 6b9fdf7f4f07926557048070cc2af3cfd0e3fe50) Signed-off-by: Andreas Cadhalpun <andreas.cadhal...@googlemail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=eddf146ada12b394a7796af12bff2121505dc4a1 --- libavformat/nutdec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c index 13fb399..606deaa 100644 --- a/libavformat/nutdec.c +++ b/libavformat/nutdec.c @@ -1005,6 +1005,9 @@ static int read_sm_data(AVFormatContext *s, AVIOContext *bc, AVPacket *pkt, int AV_WL32(dst+4, skip_end); } + if (avio_tell(bc) >= maxpos) + return AVERROR_INVALIDDATA; + return 0; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
