From 81a996ec1d9739c723badfd5b4f73e20ed9257c4 Mon Sep 17 00:00:00 2001
From: gVisor bot <gvisor-bot@google.com>
Date: Sun, 9 Apr 2023 19:00:45 +0800
Subject: [PATCH] fix: tun warn timeout

---
 listener/sing_tun/dns.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/listener/sing_tun/dns.go b/listener/sing_tun/dns.go
index f2daaf0c..e5ec82e2 100644
--- a/listener/sing_tun/dns.go
+++ b/listener/sing_tun/dns.go
@@ -6,6 +6,7 @@ import (
 	"io"
 	"net"
 	"net/netip"
+	"os"
 	"sync"
 	"time"
 
@@ -117,7 +118,8 @@ func (h *ListenerHandler) NewPacketConnection(ctx context.Context, conn network.
 			dest, err := conn.ReadPacket(buff)
 			if err != nil {
 				buff.Release()
-				if E.IsClosed(err) {
+				// ignore simple error
+				if err == os.ErrDeadlineExceeded || E.IsClosed(err) {
 					break
 				}
 				return err