Index: head/net-mgmt/net-snmp/files/patch-agent_mibgroup_if-mib_data__access_interface__sysctl.c
===================================================================
--- head/net-mgmt/net-snmp/files/patch-agent_mibgroup_if-mib_data__access_interface__sysctl.c	(nonexistent)
+++ head/net-mgmt/net-snmp/files/patch-agent_mibgroup_if-mib_data__access_interface__sysctl.c	(revision 513264)
@@ -0,0 +1,24 @@
+--- agent/mibgroup/if-mib/data_access/interface_sysctl.c.orig	2018-07-16 16:33:40 UTC
++++ agent/mibgroup/if-mib/data_access/interface_sysctl.c
+@@ -531,8 +531,11 @@
+                 }
+             }
+             adl = (struct sockaddr_dl *) a;
+-            if_name = (char *) adl->sdl_data;
+-            if_name[adl->sdl_nlen] = '\0';
++            if_name = malloc(adl->sdl_nlen + 1);
++            if (if_name) {
++                memcpy(if_name, adl->sdl_data, adl->sdl_nlen);
++                if_name[adl->sdl_nlen] = '\0';
++            }
+         }
+         if (!(ifp->ifm_addrs & RTA_IFP) || if_name == NULL) {
+             snmp_log(LOG_ERR, "ifm_index %u: no interface name in message, "
+@@ -541,6 +544,7 @@
+         }
+ 
+         entry = netsnmp_access_interface_entry_create(if_name, ifp->ifm_index);
++        free(if_name);
+         if(NULL == entry) {
+             netsnmp_access_interface_container_free(container,
+                                                     NETSNMP_ACCESS_INTERFACE_FREE_NOFLAGS);

Property changes on: head/net-mgmt/net-snmp/files/patch-agent_mibgroup_if-mib_data__access_interface__sysctl.c
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+yes
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