From 0efb6106118c17308b3fdc3190f5e5bf84b01d5c Mon Sep 17 00:00:00 2001 From: Andreas Cadhalpun Date: Sat, 5 Nov 2016 00:17:53 +0100 Subject: [PATCH] mxfdec: fix NULL pointer dereference Metadata streams have priv_data set to NULL. Reviewed-by: Michael Niedermayer Signed-off-by: Andreas Cadhalpun --- libavformat/mxfdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c index d2166ee5a1..a1a79ceb51 100644 --- a/libavformat/mxfdec.c +++ b/libavformat/mxfdec.c @@ -391,7 +391,7 @@ static int mxf_get_stream_index(AVFormatContext *s, KLVPacket *klv) for (i = 0; i < s->nb_streams; i++) { MXFTrack *track = s->streams[i]->priv_data; /* SMPTE 379M 7.3 */ - if (!memcmp(klv->key + sizeof(mxf_essence_element_key), track->track_number, sizeof(track->track_number))) + if (track && !memcmp(klv->key + sizeof(mxf_essence_element_key), track->track_number, sizeof(track->track_number))) return i; } /* return 0 if only one stream, for OP Atom files with 0 as track number */ -- 2.11.0