Temporary fix

src/listen/detail/proto_detail.c

@@ -436,7 +436,7 @@ static int mod_open(void *instance, fr_schedule_t *sc, CONF_SECTION *conf)
 	 *	path, data takes from the socket to the decoder and
 	 *	back again.
 	 */
-	MEM(li = talloc_zero(NULL, fr_listen_t));	/* Assigned thread steals the memory */
+	MEM(li = talloc_zero(inst, fr_listen_t));	/* Assigned thread steals the memory */
 	talloc_set_destructor(li, fr_io_listen_free);
 
 	li->app_io = inst->app_io;