gentoo-overlay/app-emulation/xen/files/xen-4.2-XSA-85.patch

From 593bc8c63d582ec0fc2b3a35336106cf9c3a8b34 Mon Sep 17 00:00:00 2001
From: Matthew Daley <mattd@bugfuzz.com>
Date: Sun, 12 Jan 2014 14:29:32 +1300
Subject: [PATCH] xsm/flask: correct off-by-one in
 flask_security_avc_cachestats cpu id check

This is XSA-85

Signed-off-by: Matthew Daley <mattd@bugfuzz.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Ian Campbell <ian.campbell@citrix.com>
---
 xen/xsm/flask/flask_op.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/xsm/flask/flask_op.c b/xen/xsm/flask/flask_op.c
index 4426ab9..22878f5 100644
--- a/xen/xsm/flask/flask_op.c
+++ b/xen/xsm/flask/flask_op.c
@@ -457,7 +457,7 @@ static int flask_security_avc_cachestats(struct xen_flask_cache_stats *arg)
 {
     struct avc_cache_stats *st;
 
-    if ( arg->cpu > nr_cpu_ids )
+    if ( arg->cpu >= nr_cpu_ids )
         return -ENOENT;
     if ( !cpu_online(arg->cpu) )
         return -ENOENT;
-- 
1.8.5.2