From ef4334667414f28bc427543ac39d995465886d6a Mon Sep 17 00:00:00 2001
From: neil <neil@fb15a70f-31f2-0310-bbcc-cdcc74a49acc>
Date: Tue, 28 Jun 2011 22:02:42 +0000
Subject: [PATCH] Don't read beyond end of old buffer.

git-svn-id: https://svn.aros.org/svn/aros/trunk/AROS@39594 fb15a70f-31f2-0310-bbcc-cdcc74a49acc
---
 compiler/clib/realloc.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/compiler/clib/realloc.c b/compiler/clib/realloc.c
index 6e2329de7c..8c9e03aa00 100644
--- a/compiler/clib/realloc.c
+++ b/compiler/clib/realloc.c
@@ -1,5 +1,5 @@
 /*
-    Copyright © 1995-2007, The AROS Development Team. All rights reserved.
+    Copyright © 1995-2011, The AROS Development Team. All rights reserved.
     $Id$
 
     ANSI C function realloc().
@@ -27,7 +27,7 @@
 	the new contents will be undefined.
 
     INPUTS
-	oldmen - What you got from malloc() or calloc().
+	oldmem - What you got from malloc() or calloc().
 	size - The new size.
 
     RESULT
@@ -81,6 +81,8 @@ copy:
 
 	if (newmem)
 	{
+	    if (size > oldsize)
+		size = oldsize;
 	    CopyMem (oldmem, newmem, size);
 	    free (oldmem);
 	}
-- 
2.11.4.GIT