Initialize timer at the beginning

go.mod

@@ -23,7 +23,7 @@ require (
 	github.com/yuin/gopher-lua v1.1.2
 	go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
 	golang.org/x/crypto v0.58.0
-	golang.org/x/crypto/x509roots/fallback v0.0.0-20261020153306-9f2b28d4331a
+	golang.org/x/crypto/x509roots/fallback v0.0.0-20261005185213-c3db4df58582
 	golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842
 	golang.org/x/net v0.61.0
 	golang.org/x/sync v0.24.0

go.sum

@@ -99,8 +99,6 @@ golang.org/x/crypto v0.58.0 h1:COkYLr4k7nDI4r6QtMML2AfzeIswWHAJthLS6K/M/54=
 golang.org/x/crypto v0.58.0/go.mod h1:Xh+kl5A+M0gMiWDytH2Hhr5Z7WbNCpv/eB/EFgfSk+w=
 golang.org/x/crypto/x509roots/fallback v0.0.0-20261005185213-c3db4df58582 h1:wjDBrGbfLuifgrVLFEWUBJYAfh5Q1wkMc5t0FY0tCbs=
 golang.org/x/crypto/x509roots/fallback v0.0.0-20261005185213-c3db4df58582/go.mod h1:HPze8vhfG6fO06AM+VSvxRm4E3+5Yk375mgrJ5M2z1E=
-golang.org/x/crypto/x509roots/fallback v0.0.0-20261020153306-9f2b28d4331a h1:V5oicZXS0oqZx30gY/apgSVD7YvNBfrIOdcMnlelJY4=
-golang.org/x/crypto/x509roots/fallback v0.0.0-20261020153306-9f2b28d4331a/go.mod h1:HPze8vhfG6fO06AM+VSvxRm4E3+5Yk375mgrJ5M2z1E=
 golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842 h1:vr/HnozRka3pE4EsMEg1lgkXJkTFJCVUX+S/ZT6wYzM=
 golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842/go.mod h1:XtvwrStGgqGPLc4cjQfWqZHG1YFdYs6swckp8vpsjnc=
 golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=

proxy/socks/temp_udp_listen.go

@@ -2,10 +2,10 @@ package socks
 
 import (
 	"context"
-	"net"
 	"sync/atomic"
 	"time"
 
+	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/signal"
 )
 
@@ -14,6 +14,9 @@ func NewTempUDPConn(udpConn net.PacketConn, tcpConn net.Conn, expectedRemote *ne
 		PacketConn:        udpConn,
 		AssociatedTCPConn: tcpConn,
 	}
+	t.Timer = signal.CancelAfterInactivity(context.Background(), func() {
+		t.Close()
+	}, net.ConnIdleTimeout)
 	t.ExpectedRemote.Store(expectedRemote)
 	return t
 }
@@ -60,9 +63,7 @@ func (c *TempUDPConn) RemoteAddr() net.Addr {
 }
 
 func (c *TempUDPConn) SetTimeout(d time.Duration) {
-	c.Timer = signal.CancelAfterInactivity(context.Background(), func() {
+	c.Timer.SetTimeout(d)
-		c.Close()
-	}, d)
 }
 
 func (c *TempUDPConn) Close() error {