Checking the result of shared memory buffer allocation.
This closes issue on GitHub.
@@ -328,6 +328,9 @@ nxt_controller_conf_send(nxt_task_t *task, nxt_conf_value_t *conf,
size = nxt_conf_json_length(conf, NULL);
b = nxt_port_mmap_get_buf(task, router_port, size);
+ if (nxt_slow_path(b == NULL)) {
+ return NXT_ERROR;
+ }
b->mem.free = nxt_conf_json_print(b->mem.free, conf, NULL);
