virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-10-30 23:18:11 +02:00
Code Issues Releases Activity

pvfdec: prevent overflow during block alignment calculation

Browse Source 
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This commit is contained in:
Andreas Cadhalpun
2016-12-15 02:14:54 +01:00
parent 8812d047bc
commit 169c1cfa92
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
libavformat/pvfdec.c
View File

@@ -19,6 +19,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavcodec/internal.h"
#include "avformat.h"
#include "internal.h"
#include "pcm.h"
@@ -44,7 +45,8 @@ static int pvf_read_header(AVFormatContext *s)
&bps) != 3)
return AVERROR_INVALIDDATA;
if (channels <= 0 || bps <= 0 || sample_rate <= 0)
if (channels <= 0 || channels > FF_SANE_NB_CHANNELS ||
bps <= 0 || bps > INT_MAX / FF_SANE_NB_CHANNELS || sample_rate <= 0)
return AVERROR_INVALIDDATA;
st = avformat_new_stream(s, NULL);