apparmor: check that xindex is in trans_table bounds

Signed-off-by: John Johansen <[email protected]> Acked-by: Seth Arnold <[email protected]>
cypheratheist · Jul 12, 2016 · 23ca7b6 · 23ca7b6
1 parent f7da2de
commit 23ca7b6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c
@@ -676,7 +676,7 @@ static bool verify_xindex(int xindex, int table_size)
 	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;
 }