From 628f39bb908a032bc12ec5361723b1592022186e Mon Sep 17 00:00:00 2001
From: icy17 <1061499390@qq.com>
Date: Mon, 12 Aug 2024 10:00:44 +0200
Subject: [PATCH] ws: fix potential NULL pointer dereference

---
 ws.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ws.c b/ws.c
index 8764080e..780e8348 100644
--- a/ws.c
+++ b/ws.c
@@ -416,6 +416,9 @@ evws_new_session(
 	evws->http_server = evcon->http_server;
 
 	evws->bufev = evhttp_start_ws_(req);
+	if (evws->bufev == NULL) {
+		goto error;
+	}
 
 	if (options & BEV_OPT_THREADSAFE) {
 		if (bufferevent_enable_locking_(evws->bufev, NULL) < 0)