From 23ca7b640b4a55f8747301b6bd984dd05545f6a7 Mon Sep 17 00:00:00 2001
From: John Johansen <john.johansen@canonical.com>
Date: Thu, 17 Mar 2016 12:02:54 -0700
Subject: [PATCH] apparmor: check that xindex is in trans_table bounds
Git-commit: 23ca7b640b4a55f8747301b6bd984dd05545f6a7
Patch-mainline: 4.8-rc1
References: bsc#1000304

Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Seth Arnold <seth.arnold@canonical.com>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 security/apparmor/policy_unpack.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/security/apparmor/policy_unpack.c
+++ b/security/apparmor/policy_unpack.c
@@ -722,7 +722,7 @@ static bool verify_xindex(int xindex, in
 	int index, xtype;
 	xtype = xindex & AA_X_TYPE_MASK;
 	index = xindex & AA_X_INDEX_MASK;
-	if (xtype == AA_X_TABLE && index > table_size)
+	if (xtype == AA_X_TABLE && index >= table_size)
 		return 0;
 	return 1;
 }
