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| author | Laurent Aimar <fenrir@videolan.org> | 2011-10-08 23:40:37 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-11-06 19:49:12 +0100 |
| commit | 23aaa82b1d30456339c09b3591fe78534839d4d0 (patch) | |
| tree | fe4545626c01a5f0960e27f3ac2a9a465c19140e | |
| parent | 58087a4e640eb2e1ae77de873f9c1aa37e9c8bbe (diff) | |
| download | ffmpeg-23aaa82b1d30456339c09b3591fe78534839d4d0.tar.gz | |
vqa: fix double free on corrupted streams
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit e3123856c79c36507772ada1bcda6cfe36a1e297)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavformat/westwood.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/libavformat/westwood.c b/libavformat/westwood.c index d2736accc5..7ca179717c 100644 --- a/libavformat/westwood.c +++ b/libavformat/westwood.c @@ -279,10 +279,8 @@ static int wsvqa_read_header(AVFormatContext *s, /* there are 0 or more chunks before the FINF chunk; iterate until * FINF has been skipped and the file will be ready to be demuxed */ do { - if (get_buffer(pb, scratch, VQA_PREAMBLE_SIZE) != VQA_PREAMBLE_SIZE) { - av_free(st->codec->extradata); + if (get_buffer(pb, scratch, VQA_PREAMBLE_SIZE) != VQA_PREAMBLE_SIZE) return AVERROR(EIO); - } chunk_tag = AV_RB32(&scratch[0]); chunk_size = AV_RB32(&scratch[4]); |