ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Tue Mar 5 00:48:18 2019 +0100| [38381400fca45d1ae6e7604335b507b7dc70a903] | committer: Michael Niedermayer
avformat/gdv: Check fps Fixes: Division by 0 Fixes: ffmpeg_zero_division.bin Found-by: Anatoly Trosinenko <[email protected]> Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=38381400fca45d1ae6e7604335b507b7dc70a903 --- libavformat/gdv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/gdv.c b/libavformat/gdv.c index a69c349cab..3ead383892 100644 --- a/libavformat/gdv.c +++ b/libavformat/gdv.c @@ -86,6 +86,9 @@ static int gdv_read_header(AVFormatContext *ctx) vst->nb_frames = avio_rl16(pb); fps = avio_rl16(pb); + if (!fps) + return AVERROR_INVALIDDATA; + snd_flags = avio_rl16(pb); if (snd_flags & 1) { ast = avformat_new_stream(ctx, 0); _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
