Fixes: NULL pointer dereference Fixes: 22604/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5667739074297856.fuzz
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/mlvdec.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/libavformat/mlvdec.c b/libavformat/mlvdec.c index dae13cae53..03aed71024 100644 --- a/libavformat/mlvdec.c +++ b/libavformat/mlvdec.c @@ -393,10 +393,14 @@ static int read_packet(AVFormatContext *avctx, AVPacket *pkt) { MlvContext *mlv = avctx->priv_data; AVIOContext *pb; - AVStream *st = avctx->streams[mlv->stream_index]; + AVStream *st; int index, ret; unsigned int size, space; + if (!avctx->nb_streams) + return AVERROR_EOF; + + st = avctx->streams[mlv->stream_index]; if (mlv->pts >= st->duration) return AVERROR_EOF; -- 2.17.1 _______________________________________________ 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".
