From 091dc69f1d4352a61d991194365daf44fc4f5ac0 Mon Sep 17 00:00:00 2001
From: bjdgyc <bjdgyc@163.com>
Date: Wed, 17 Aug 2022 22:16:04 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8Dcstp=E6=95=B0=E6=8D=AE?=
 =?UTF-8?q?=E9=95=BF=E5=BA=A6=E6=BA=A2=E5=87=BA=E6=8A=A5=E9=94=99?=
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---
 server/handler/link_cstp.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/server/handler/link_cstp.go b/server/handler/link_cstp.go
index b51540f..1618b47 100644
--- a/server/handler/link_cstp.go
+++ b/server/handler/link_cstp.go
@@ -67,6 +67,11 @@ func LinkCstp(conn net.Conn, bufRW *bufio.ReadWriter, cSess *sessdata.ConnSessio
 		case 0x00: // DATA
 			// 获取数据长度
 			dataLen = binary.BigEndian.Uint16(pl.Data[4:6]) // 4,5
+			// 修复 cstp 数据长度溢出报错
+			if 8+dataLen > BufferSize {
+				base.Error("recv error dataLen", dataLen)
+				continue
+			}
 			// 去除数据头
 			copy(pl.Data, pl.Data[8:8+dataLen])
 			// 更新切片长度