oggparsevorbis: fix null ptr dereference

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-05-31 19:06:14 +02:00
parent b02cc2ddc6
commit 18b46a494e

View File

@ -203,12 +203,12 @@ vorbis_header (AVFormatContext * s, int idx)
int pkt_type = os->buf[os->pstart];
if (!(pkt_type & 1))
return 0;
return os->private ? 0 : -1;
if (!os->private) {
os->private = av_mallocz(sizeof(struct oggvorbis_private));
if (!os->private)
return 0;
return -1;
}
if (os->psize < 1 || pkt_type > 5)