$OpenBSD: patch-plugins_ua_accesscontrol_default_c,v 1.1 2020/02/13 13:26:20 bluhm Exp $

https://github.com/open62541/open62541/commit/f05bafc25d332d4571b2e42fb42221c2ec3cc98c

Index: plugins/ua_accesscontrol_default.c
--- plugins/ua_accesscontrol_default.c.orig
+++ plugins/ua_accesscontrol_default.c
@@ -210,6 +210,7 @@ static void deleteMembers_default(UA_AccessControl *ac
         if(context->usernamePasswordLoginSize > 0)
             UA_free(context->usernamePasswordLogin);
         UA_free(ac->context);
+        ac->context = NULL;
     }
 }
 
