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Date:      Sat, 4 Feb 2017 16:37:44 +0000 (UTC)
From:      Ngie Cooper <ngie@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org
Subject:   svn commit: r313222 - stable/10/contrib/bsnmp/snmp_usm
Message-ID:  <201702041637.v14GbirE070884@repo.freebsd.org>

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Author: ngie
Date: Sat Feb  4 16:37:43 2017
New Revision: 313222
URL: https://svnweb.freebsd.org/changeset/base/313222

Log:
  MFC r311394:
  
  op_usm_users: don't deref uusers if it's NULL when SETting the value
  
  Add an XXX comment to note that the conditional seems suspect given
  how it's handled elsewhere in the SNMP_OP_SET case.
  
  CID:		1008573

Modified:
  stable/10/contrib/bsnmp/snmp_usm/usm_snmp.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/contrib/bsnmp/snmp_usm/usm_snmp.c
==============================================================================
--- stable/10/contrib/bsnmp/snmp_usm/usm_snmp.c	Sat Feb  4 16:36:07 2017	(r313221)
+++ stable/10/contrib/bsnmp/snmp_usm/usm_snmp.c	Sat Feb  4 16:37:43 2017	(r313222)
@@ -169,8 +169,12 @@ op_usm_users(struct snmp_context *ctx, s
 		    val->var.subs[sub - 1] != LEAF_usmUserCloneFrom)
 			return (SNMP_ERR_NOSUCHNAME);
 
+		/*
+		 * XXX (ngie): need to investigate the MIB to determine how
+		 * this is possible given some of the transitions below.
+		 */
 		if (community != COMM_INITIALIZE &&
-		    uuser->type == StorageType_readOnly)
+		    uuser != NULL && uuser->type == StorageType_readOnly)
 			return (SNMP_ERR_NOT_WRITEABLE);
 
 		switch (val->var.subs[sub - 1]) {



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