diff options
Diffstat (limited to 'libavformat/asfdec.c')
| -rw-r--r-- | libavformat/asfdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c index 373be28..9f445ec 100644 --- a/libavformat/asfdec.c +++ b/libavformat/asfdec.c @@ -633,7 +633,7 @@ static int ff_asf_get_packet(AVFormatContext *s, ByteIOContext *pb) DO_2BITS(asf->packet_flags >> 3, padsize, 0); // padding length //the following checks prevent overflows and infinite loops - if(packet_length >= (1U<<29)){ + if(!packet_length || packet_length >= (1U<<29)){ av_log(s, AV_LOG_ERROR, "invalid packet_length %d at:%"PRId64"\n", packet_length, url_ftell(pb)); return -1; } |
