From e22f2aaf99c59d788f292c4d7594493068eb4d69 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A5ns=20Rullg=C3=A5rd?= <mans@mansr.com>
Date: Mon, 15 Jan 2007 22:45:50 +0000
Subject: [PATCH] check for sane values in ogg_get_length(), fix lol-ffplay.ogm
 fuzz test

Originally committed as revision 7536 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/ogg2.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavformat/ogg2.c b/libavformat/ogg2.c
index d630d4a3da..64e7733d56 100644
--- a/libavformat/ogg2.c
+++ b/libavformat/ogg2.c
@@ -484,7 +484,8 @@ ogg_get_length (AVFormatContext * s)
     url_fseek (&s->pb, end, SEEK_SET);
 
     while (!ogg_read_page (s, &i)){
-        if (ogg->streams[i].granule != -1 && ogg->streams[i].granule != 0)
+        if (ogg->streams[i].granule != -1 && ogg->streams[i].granule != 0 &&
+            ogg->streams[i].codec)
             idx = i;
     }