bitkeeper revision 1.1159.130.3 (41792ed6aunLXFVdvW9RR6KzJOFiVw)

Add a required privilege check.

diff --git a/xen/common/event_channel.c b/xen/common/event_channel.c
index 3ac51e53b678a067d7fa1816b2b5fc97023f273d..89ebc7fcf789a2bbf3b47b20e521252c96604a21 100644 (file)
--- a/xen/common/event_channel.c
+++ b/xen/common/event_channel.c
@@ -159,6 +159,8 @@ static long evtchn_bind_interdomain(evtchn_bind_interdomain_t *bind)
     switch ( d1->event_channel[port1].state )
     {
     case ECS_FREE:
+        if ( !IS_PRIV(current) && (dom2 != DOMID_SELF) )
+            ERROR_EXIT(-EPERM);
         break;
 
     case ECS_UNBOUND: