Fixes: bypassing of checks and assertion failure Fixes: asan_1003879.mp4 Found-by: Clusterfuzz + asan Reported-by: Thomas Guilbert <tguilb...@google.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/mov.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/libavformat/mov.c b/libavformat/mov.c index 589576b529..75f098af09 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -1976,6 +1976,10 @@ static int mov_read_stco(MOVContext *c, AVIOContext *pb, MOVAtom atom) MOVStreamContext *sc; unsigned int i, entries; + if (c->trak_index < 0) { + av_log(c->fc, AV_LOG_WARNING, "STCO outside TRAK\n"); + return 0; + } if (c->fc->nb_streams < 1) return 0; st = c->fc->streams[c->fc->nb_streams-1]; -- 2.24.0 _______________________________________________ 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".