Nodes use events, so event system should be initialised first and destroyed last.

src/event.c

@@ -96,7 +96,7 @@ event_t *get_expired_event(void)
 		event = event_tree->head->data;
 
 		if(event->time < now) {
-			avl_delete(event_tree, event);
+			event_del(event);
 			return event;
 		}
 	}

src/net.c

@@ -424,7 +424,7 @@ int main_loop(void)
 
 		while((event = get_expired_event())) {
 			event->handler(event->data);
-			free(event);
+			free_event(event);
 		}
 
 		if(sigalrm) {

src/net_packet.c

@@ -101,7 +101,7 @@ void send_mtu_probe(node_t *n)
 		send_udppacket(n, &packet);
 	}
 
-	n->mtuevent = xmalloc(sizeof(*n->mtuevent));
+	n->mtuevent = new_event();
 	n->mtuevent->handler = (event_handler_t)send_mtu_probe;
 	n->mtuevent->data = n;
 	n->mtuevent->time = now + 1;

src/net_setup.c

@@ -526,11 +526,11 @@ bool setup_network_connections(void)
 
 	now = time(NULL);
 
+	init_events();
 	init_connections();
 	init_subnets();
 	init_nodes();
 	init_edges();
-	init_events();
 	init_requests();
 
 	if(get_config_int(lookup_config(config_tree, "PingInterval"), &pinginterval)) {
@@ -594,11 +594,11 @@ void close_network_connections(void)
 	envp[4] = NULL;
 
 	exit_requests();
-	exit_events();
 	exit_edges();
 	exit_subnets();
 	exit_nodes();
 	exit_connections();
+	exit_events();
 
 	execute_script("tinc-down", envp);
 

src/node.c

@@ -93,12 +93,6 @@ void free_node(node_t *n)
 	if(n->queue)
 		list_delete_list(n->queue);
 
-	if(n->name)
-		free(n->name);
-
-	if(n->hostname)
-		free(n->hostname);
-
 	if(n->key)
 		free(n->key);
 
@@ -112,8 +106,16 @@ void free_node(node_t *n)
 
 	EVP_CIPHER_CTX_cleanup(&n->packet_ctx);
 
-	if(n->mtuevent)
+	if(n->mtuevent) {
 		event_del(n->mtuevent);
+		free_event(n->mtuevent);
+	}
+	
+	if(n->hostname)
+		free(n->hostname);
+
+	if(n->name)
+		free(n->name);
 
 	free(n);
 }