From 15fda84a78bca9dfce3e9c07531379967f84f9c8 Mon Sep 17 00:00:00 2001
From: Matthieu Herrb <matthieu@cvs.openbsd.org>
Date: Wed, 2 May 2007 09:56:37 +0000
Subject: Fix for a divide by zero that can be triggered by a malicious client.
 Problem reported by Derek Abdine of rapid7.com, patch by Keith Packard.

---
 xserver/render/renderedge.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'xserver/render')

diff --git a/xserver/render/renderedge.c b/xserver/render/renderedge.c
index 699e25254..226878860 100644
--- a/xserver/render/renderedge.c
+++ b/xserver/render/renderedge.c
@@ -1,5 +1,5 @@
 /*
- * $Id: renderedge.c,v 1.1 2006/11/26 18:16:21 matthieu Exp $
+ * $Id: renderedge.c,v 1.2 2007/05/02 09:56:36 matthieu Exp $
  *
  * Copyright © 2004 Keith Packard
  *
@@ -143,6 +143,7 @@ RenderEdgeInit (RenderEdge	*e,
     dx = x_bot - x_top;
     dy = y_bot - y_top;
     e->dy = dy;
+    e->dx = 0;
     if (dy)
     {
 	if (dx >= 0)
-- 
cgit v1.2.3