Michael Niedermayer: > On Tue, Oct 22, 2019 at 03:16:45PM +0200, Andreas Rheinhardt wrote: >> vobsub_read_packet() didn't check whether an index in array of AVPackets >> was valid and therefore used uninitialized values. >> >> Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com> >> --- >> Actually I only wanted to use Valgrind to check for memleaks... >> >> libavformat/mpeg.c | 4 ++++ >> 1 file changed, 4 insertions(+) >> >> diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c >> index 73ade71d95..474afd06b9 100644 >> --- a/libavformat/mpeg.c >> +++ b/libavformat/mpeg.c >> @@ -930,6 +930,10 @@ static int vobsub_read_packet(AVFormatContext *s, >> AVPacket *pkt) >> FFDemuxSubtitlesQueue *tmpq = &vobsub->q[i]; >> int64_t ts; >> av_assert0(tmpq->nb_subs); >> + >> + if (tmpq->current_sub_idx >= tmpq->nb_subs) >> + continue; > > How can this issue be reproduced ? > > thx > > [...]
Read a VobSub subtitle till the end: ffmpeg -i <idx input file> -c copy -f null - - Andreas _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
