[FFmpeg-devel] [PATCH 6/9] nistspheredec: prevent overflow during block alignment calculation

[Andreas Cadhalpun]

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
---
 libavformat/nistspheredec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/nistspheredec.c b/libavformat/nistspheredec.c
index 782d1dfbfb..9023ed7fc7 100644
--- a/libavformat/nistspheredec.c
+++ b/libavformat/nistspheredec.c
@@ -80,6 +80,7 @@ static int nist_read_header(AVFormatContext *s)
 
             avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
 
+            FF_RETURN_ON_OVERFLOW(s, st->codecpar->channels && st->codecpar->bits_per_coded_sample > INT_MAX / st->codecpar->channels)
             st->codecpar->block_align = st->codecpar->bits_per_coded_sample * st->codecpar->channels / 8;
 
             if (avio_tell(s->pb) > header_size)
-- 
2.11.0