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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-05-08 00:26:22 +0400 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-05-08 00:26:56 +0400 |
| commit | a527e692592b7eef69430cc866bb96231526316c (patch) | |
| tree | 1bdb2bb2a46ce22d856787beae746cf689fe8262 /libavformat/vqf.c | |
| parent | 9dd04f6d8cdd1c10c28b2cb4252c1a41df581915 (diff) | |
avformat/vqf: check number of channels before use.
Fixes division by zero
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/vqf.c')
| -rw-r--r-- | libavformat/vqf.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/vqf.c b/libavformat/vqf.c index ed588288b8..1ce53595d6 100644 --- a/libavformat/vqf.c +++ b/libavformat/vqf.c @@ -132,6 +132,11 @@ static int vqf_read_header(AVFormatContext *s) rate_flag = AV_RB32(comm_chunk + 8); avio_skip(s->pb, len-12); + if (st->codec->channels <= 0) { + av_log(s, AV_LOG_ERROR, "Invalid number of channels\n"); + return AVERROR_INVALIDDATA; + } + st->codec->bit_rate = read_bitrate*1000; break; case MKTAG('D','S','I','Z'): // size of compressed data |