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oggparsevorbis: fix null ptr dereference

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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
1 changed files with 2 additions and 2 deletions
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4
libavformat/oggparsevorbis.c
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@ -203,12 +203,12 @@ vorbis_header (AVFormatContext * s, int idx)
int pkt_type = os->buf[os->pstart]; int pkt_type = os->buf[os->pstart];
if (!(pkt_type & 1)) if (!(pkt_type & 1))
return 0; return os->private ? 0 : -1;
if (!os->private) { if (!os->private) {
os->private = av_mallocz(sizeof(struct oggvorbis_private)); os->private = av_mallocz(sizeof(struct oggvorbis_private));
if (!os->private) if (!os->private)
return 0; return -1;
} }
if (os->psize < 1 || pkt_type > 5) if (os->psize < 1 || pkt_type > 5)