[vlc-commits] demux: avi: reject invalid dwRate/dwScale

[Francois Cartegnie]

vlc/vlc-3.0 | branch: master | Francois Cartegnie <fcvlcdev at free.fr> | Wed Dec 20 10:52:07 2017 +0100| [2b7481316cc45f638c872dd7273e7f5fed66a1e2] | committer: Francois Cartegnie

demux: avi: reject invalid dwRate/dwScale

(cherry picked from commit fbcc7eb12beaad20e736cbdd2311d6bdc10c34fd)

> http://git.videolan.org/gitweb.cgi/vlc/vlc-3.0.git/?a=commit;h=2b7481316cc45f638c872dd7273e7f5fed66a1e2
---

 modules/demux/avi/avi.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/demux/avi/avi.c b/modules/demux/avi/avi.c
index 37ec78c89e..d61776de25 100644
--- a/modules/demux/avi/avi.c
+++ b/modules/demux/avi/avi.c
@@ -463,6 +463,11 @@ static int Open( vlc_object_t * p_this )
         tk->i_samplesize = p_strh->i_samplesize;
         msg_Dbg( p_demux, "stream[%u] rate:%u scale:%u samplesize:%u",
                 i, tk->i_rate, tk->i_scale, tk->i_samplesize );
+        if( tk->i_scale > tk->i_rate )
+        {
+            free( tk );
+            continue;
+        }
 
         switch( p_strh->i_type )
         {