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| author | Alex Converse <alex.converse@gmail.com> | 2012-03-21 10:58:07 -0700 |
|---|---|---|
| committer | Alex Converse <alex.converse@gmail.com> | 2012-03-22 13:57:12 -0700 |
| commit | 5023b89bba198b2f8e43b7f555aeb9c30d33db9f (patch) | |
| tree | 2ba6f7be3da47d53bb45500d4ba30fc53045d179 /libavformat/xwma.c | |
| parent | 86f2ae06b92d42580ae7ebd86d52c9b7acbc2f13 (diff) | |
xwma: Validate channels and bits_per_coded_sample.
This prevents a SIGFPE later on.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Diffstat (limited to 'libavformat/xwma.c')
| -rw-r--r-- | libavformat/xwma.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libavformat/xwma.c b/libavformat/xwma.c index 2c6ee114bd..7b34b96433 100644 --- a/libavformat/xwma.c +++ b/libavformat/xwma.c @@ -115,6 +115,17 @@ static int xwma_read_header(AVFormatContext *s) } } + if (!st->codec->channels) { + av_log(s, AV_LOG_WARNING, "Invalid channel count: %d\n", + st->codec->channels); + return AVERROR_INVALIDDATA; + } + if (!st->codec->bits_per_coded_sample) { + av_log(s, AV_LOG_WARNING, "Invalid bits_per_coded_sample: %d\n", + st->codec->bits_per_coded_sample); + return AVERROR_INVALIDDATA; + } + /* set the sample rate */ avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate); |