13026 SMB and NFS use the global zone's IDMAP when they shouldn't
Change-Id: I3b5f7bc68bb77764aa7cb59a48dd1740a8387ccf

@@ -18,10 +18,11 @@
  *
  * CDDL HEADER END
  */
 /*
  * Copyright (c) 2013, Ira Cooper.  All rights reserved.
+ * Copyright 2020 Nexenta by DDN, Inc. All rights reserved.
  */
 /*
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
  */
 

@@ -286,11 +287,11 @@
 cred_t *
 crget(void)
 {
         cred_t *cr = kmem_cache_alloc(cred_cache, KM_SLEEP);
 
-        bcopy(kcred, cr, crsize);
+        bcopy(zone_kcred(), cr, crsize);
         cr->cr_ref = 1;
         zone_cred_hold(cr->cr_zone);
         if (cr->cr_label)
                 label_hold(cr->cr_label);
         ASSERT(cr->cr_klpd == NULL);