From b668a76c1e5a16c3ba914f62441d01740ffc84a7 Mon Sep 17 00:00:00 2001
From: Irine Sistiana <49315432+IrineSistiana@users.noreply.github.com>
Date: Mon, 18 Sep 2023 09:50:44 +0800
Subject: [PATCH] fixed udp oob buf

---
 pkg/server/udp.go | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/pkg/server/udp.go b/pkg/server/udp.go
index c1c9aa9db..a1e478be3 100644
--- a/pkg/server/udp.go
+++ b/pkg/server/udp.go
@@ -66,14 +66,14 @@ func (s *UDPServer) ServeUDP(c *net.UDPConn) error {
 	if err != nil {
 		return fmt.Errorf("failed to init oob handler, %w", err)
 	}
-	var ob []byte
+	var ob *[]byte
 	if oobReader != nil {
-		ob := pool.GetBuf(1024)
+		ob = pool.GetBuf(1024)
 		defer pool.ReleaseBuf(ob)
 	}
 
 	for {
-		n, oobn, _, remoteAddr, err := c.ReadMsgUDPAddrPort(*rb, ob)
+		n, oobn, _, remoteAddr, err := c.ReadMsgUDPAddrPort(*rb, *ob)
 		if err != nil {
 			return fmt.Errorf("unexpected read err: %w", err)
 		}
@@ -88,7 +88,7 @@ func (s *UDPServer) ServeUDP(c *net.UDPConn) error {
 		var dstIpFromCm net.IP
 		if oobReader != nil {
 			var err error
-			dstIpFromCm, err = oobReader(ob[:oobn])
+			dstIpFromCm, err = oobReader((*ob)[:oobn])
 			if err != nil {
 				s.opts.Logger.Error("failed to get dst address from oob", zap.Error(err))
 			}