@tamiel commented on this pull request.

In src/modules/websocket/websocket.c:

> +
+	if ((wsc = wsconn_get(msg->rcv.proto_reserved1)) == NULL) {
+		LM_ERR("$ws_real_src_ip cannot retrieve websocket connection\n");
+		return pv_get_null(msg, param, res);
+	}
+
+	wscid = wsc->id;
+
+	if (wsc->real_src_ip[0] == 0) {
+		wsconn_put(wsc);
+		LM_DBG("$ws_real_src_ip ws_conid %d real_src_ip is not set\n", wscid);
+		return pv_get_null(msg, param, res);
+	}
+
+	LM_DBG("$ws_real_src_ip ws_conid %d wsc->real_src_ip is %s (%d)\n", wscid, wsc->real_src_ip, (int)strlen(wsc->real_src_ip));
+	len = snprintf(buff, IP_ADDR_MAX_STR_SIZE, "%s", wsc->real_src_ip);

Right strncpy should do the job here.

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