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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-04-14 19:33:24 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-04-14 19:33:24 +0200 |
| commit | 0b27136c65c1b4fab29b5b354e1f470f974bc310 (patch) | |
| tree | 3d8d04b1b63bd7293f6446bf66ba2b29e794a8b6 | |
| parent | c42efad3c34cace09555e05fd0cb81cb59cc726f (diff) | |
| download | ffmpeg-0b27136c65c1b4fab29b5b354e1f470f974bc310.tar.gz | |
matroskadec: fix null pointer dereference
Fixes: Ticket1206
Found-by: John Villamil
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavformat/matroskadec.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c index 2205af6894..e9c31013cd 100644 --- a/libavformat/matroskadec.c +++ b/libavformat/matroskadec.c @@ -1581,9 +1581,11 @@ static int matroska_read_header(AVFormatContext *s) } else if (codec_id == CODEC_ID_RA_144) { track->audio.out_samplerate = 8000; track->audio.channels = 1; - } else if (codec_id == CODEC_ID_RA_288 || codec_id == CODEC_ID_COOK || - codec_id == CODEC_ID_ATRAC3 || codec_id == CODEC_ID_SIPR) { + } else if ((codec_id == CODEC_ID_RA_288 || codec_id == CODEC_ID_COOK || + codec_id == CODEC_ID_ATRAC3 || codec_id == CODEC_ID_SIPR) + && track->codec_priv.data) { int flavor; + ffio_init_context(&b, track->codec_priv.data,track->codec_priv.size, 0, NULL, NULL, NULL, NULL); avio_skip(&b, 22); |