Import of pkgsrc-2016Q3

sysutils/xenkernel41/patches/patch-CVE-2015-7971

@@ -0,0 +1,35 @@
+$NetBSD: patch-CVE-2015-7971,v 1.1 2015/10/29 20:29:56 bouyer Exp $
+
+Patch for CVE-2015-7971 aka XSA-152, based on
+http://xenbits.xenproject.org/xsa/xsa152.patch
+
+--- xen/common/xenoprof.c.orig
++++ xen/common/xenoprof.c
+@@ -676,15 +676,13 @@ ret_t do_xenoprof_op(int op, XEN_GUEST_H
+     
+     if ( (op < 0) || (op > XENOPROF_last_op) )
+     {
+-        printk("xenoprof: invalid operation %d for domain %d\n",
+-               op, current->domain->domain_id);
++        gdprintk(XENLOG_DEBUG, "invalid operation %d\n", op);
+         return -EINVAL;
+     }
+ 
+     if ( !NONPRIV_OP(op) && (current->domain != xenoprof_primary_profiler) )
+     {
+-        printk("xenoprof: dom %d denied privileged operation %d\n",
+-               current->domain->domain_id, op);
++        gdprintk(XENLOG_DEBUG, "denied privileged operation %d\n", op);
+         return -EPERM;
+     }
+ 
+@@ -907,8 +905,7 @@ ret_t do_xenoprof_op(int op, XEN_GUEST_H
+     spin_unlock(&xenoprof_lock);
+ 
+     if ( ret < 0 )
+-        printk("xenoprof: operation %d failed for dom %d (status : %d)\n",
+-               op, current->domain->domain_id, ret);
++        gdprintk(XENLOG_DEBUG, "operation %d failed: %d\n", op, ret);
+ 
+     return ret;
+ }