ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Wed May 29 10:57:18 2019 +0200| [02333fe394f0c15b1e8bbd3399316578ee8c2334] | committer: Paul B Mahol
avformat/gif: abort early if nothing was written yet Fixes crash when writting trailer without any previous packets. > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=02333fe394f0c15b1e8bbd3399316578ee8c2334 --- libavformat/gif.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/gif.c b/libavformat/gif.c index 7916ba1e6b..e125d386bd 100644 --- a/libavformat/gif.c +++ b/libavformat/gif.c @@ -174,6 +174,9 @@ static int gif_write_trailer(AVFormatContext *s) GIFContext *gif = s->priv_data; AVIOContext *pb = s->pb; + if (!gif->prev_pkt) + return AVERROR(EINVAL); + gif_write_packet(s, NULL); if (!gif->have_end) _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
