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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-03-06 18:14:12 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-10-23 01:44:40 +0200 |
| commit | b8fd13befef430517bd262fc0cac1320128d0639 (patch) | |
| tree | c09dc42d583f93651131123f7563c5b4c6cac030 | |
| parent | 29683c6ba1fce32de51c2600cdbd6733b29914d7 (diff) | |
| download | ffmpeg-b8fd13befef430517bd262fc0cac1320128d0639.tar.gz | |
libavformat/oggparsevorbis: Fix memleak on multiple headers
Fixes: Chromium bug 800123
Reported-by: Matt Wolenetz <wolenetz@google.com>
Reviewed-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3934aa495d786845d9f541c84ee405c096938f76)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/oggparsevorbis.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/oggparsevorbis.c b/libavformat/oggparsevorbis.c index b96be98974..1c8acc3f94 100644 --- a/libavformat/oggparsevorbis.c +++ b/libavformat/oggparsevorbis.c @@ -228,6 +228,10 @@ static int fixup_vorbis_headers(AVFormatContext *as, len = priv->len[0] + priv->len[1] + priv->len[2]; buf_len = len + len / 255 + 64; + + if (*buf) + return AVERROR_INVALIDDATA; + ptr = *buf = av_realloc(NULL, buf_len); if (!ptr) return AVERROR(ENOMEM); |