[FFmpeg-cvslog] r16829 - trunk/libavformat/4xm.c

[michael]

Author: michael
Date: Tue Jan 27 21:51:10 2009
New Revision: 16829

Log:
size < 4 is invalid

Modified:
   trunk/libavformat/4xm.c

Modified: trunk/libavformat/4xm.c
==============================================================================
--- trunk/libavformat/4xm.c	Tue Jan 27 21:06:13 2009	(r16828)
+++ trunk/libavformat/4xm.c	Tue Jan 27 21:51:10 2009	(r16829)
@@ -114,7 +114,7 @@ static int fourxm_read_header(AVFormatCo
     /* check for LIST-HEAD */
     GET_LIST_HEADER();
     header_size = size - 4;
-    if (fourcc_tag != HEAD_TAG)
+    if (fourcc_tag != HEAD_TAG || size < 4)
         return AVERROR_INVALIDDATA;
 
     /* allocate space for the header and load the whole thing */