From ec79b1fc88b2cc6a9ab6cd953efcdbaebedde233 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 2 Dec 2012 22:36:15 +0100 Subject: [PATCH] wtvdec: fix null pointer dereference Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavformat/wtvdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/wtvdec.c b/libavformat/wtvdec.c index c3f57504e9..070614536c 100644 --- a/libavformat/wtvdec.c +++ b/libavformat/wtvdec.c @@ -763,7 +763,7 @@ static int parse_chunks(AVFormatContext *s, int mode, int64_t seekts, int *len_p } } else if (!ff_guidcmp(g, ff_stream2_guid)) { int stream_index = ff_find_stream_index(s, sid); - if (stream_index >= 0 && !((WtvStream*)s->streams[stream_index]->priv_data)->seen_data) { + if (stream_index >= 0 && s->streams[stream_index]->priv_data && !((WtvStream*)s->streams[stream_index]->priv_data)->seen_data) { ff_asf_guid mediatype, subtype, formattype; int size; avio_skip(pb, 12);