pkgsrc/x11/modular-xorg-server112/patches/patch-hw_xfree86_dri2_dri2ext.c

17 lines
644 B
C

$NetBSD: patch-hw_xfree86_dri2_dri2ext.c,v 1.1 2015/04/03 09:46:18 tnn Exp $
X.Org Security Advisory: Dec. 9, 2014
Protocol handling issues in X Window System servers
--- hw/xfree86/dri2/dri2ext.c.orig 2012-05-17 17:09:03.000000000 +0000
+++ hw/xfree86/dri2/dri2ext.c
@@ -263,6 +263,9 @@ ProcDRI2GetBuffers(ClientPtr client)
unsigned int *attachments;
REQUEST_FIXED_SIZE(xDRI2GetBuffersReq, stuff->count * 4);
+ if (stuff->count > (INT_MAX / 4))
+ return BadLength;
+
if (!validDrawable(client, stuff->drawable, DixReadAccess | DixWriteAccess,
&pDrawable, &status))
return status;