[FFmpeg-devel] [PATCH 7/9] pvfdec: prevent overflow during block alignment calculation
Andreas Cadhalpun
andreas.cadhalpun at googlemail.com
Fri Jan 6 21:49:02 EET 2017
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
---
libavformat/pvfdec.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavformat/pvfdec.c b/libavformat/pvfdec.c
index b9f6d4f2c2..94ef20c249 100644
--- a/libavformat/pvfdec.c
+++ b/libavformat/pvfdec.c
@@ -56,6 +56,7 @@ static int pvf_read_header(AVFormatContext *s)
st->codecpar->sample_rate = sample_rate;
st->codecpar->codec_id = ff_get_pcm_codec_id(bps, 0, 1, 0xFFFF);
st->codecpar->bits_per_coded_sample = bps;
+ FF_RETURN_ON_OVERFLOW(s, bps > INT_MAX / st->codecpar->channels)
st->codecpar->block_align = bps * st->codecpar->channels / 8;
avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
--
2.11.0
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