From 96f0731a26cd417f4dc113fe7324c276e60a99bd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Reimar=20D=C3=B6ffinger?= Date: Mon, 6 Jul 2009 17:08:32 +0000 Subject: [PATCH] Check for packet_length 0, it is already treated as invalid by the padding check, but that resulted in a confusing/wrong error message. Originally committed as revision 19361 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/asfdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c index 373be28223..9f445ecc4f 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; }