From ae8ce75e4180b985bc59877436ee09e84b02d461 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= <i@sekai.icu>
Date: Mon, 24 Mar 2025 17:43:56 +0800
Subject: [PATCH] Fix websocket crash

---
 transport/v2raywebsocket/conn.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/transport/v2raywebsocket/conn.go b/transport/v2raywebsocket/conn.go
index 6ed0b0f3..f9099764 100644
--- a/transport/v2raywebsocket/conn.go
+++ b/transport/v2raywebsocket/conn.go
@@ -74,6 +74,10 @@ func (c *WebsocketConn) Read(b []byte) (n int, err error) {
 			return
 		}
 		if header.OpCode.IsControl() {
+			if header.Length > 128 {
+				err = wsutil.ErrFrameTooLarge
+				return
+			}
 			err = c.controlHandler(header, c.reader)
 			if err != nil {
 				return