From 322baf19c80857f1f2b016ec6bf043d09c67d154 Mon Sep 17 00:00:00 2001
From: David Schleef <ds@schleef.org>
Date: Thu, 24 Jul 2003 08:49:42 +0000
Subject: Add buffer length checks to every typefinding function

Original commit message from CVS:
Add buffer length checks to every typefinding function
---
 ext/flac/gstflac.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'ext/flac')

diff --git a/ext/flac/gstflac.c b/ext/flac/gstflac.c
index af10d794..b8dd73e8 100644
--- a/ext/flac/gstflac.c
+++ b/ext/flac/gstflac.c
@@ -71,8 +71,12 @@ static GstTypeDefinition flacdefinition = {
 static GstCaps* 
 flac_type_find (GstBuffer *buf, gpointer private) 
 {
-  guint32 head = GUINT32_FROM_BE (*((guint32 *)GST_BUFFER_DATA (buf)));
+  guint32 head;
+  
+  if (GST_BUFFER_SIZE (buf) < 4)
+    return NULL;
 
+  head = GUINT32_FROM_BE (*((guint32 *)GST_BUFFER_DATA (buf)));
   if (head  != 0x664C6143)
     return NULL;
 
-- 
cgit