From ac2506154f4affa1986f2621795f024cc53cf5e4 Mon Sep 17 00:00:00 2001
From: 5aaee9 <7685264+5aaee9@users.noreply.github.com>
Date: Tue, 21 May 2024 23:21:57 +0800
Subject: [PATCH] fix: possibly using released buffer in tproxy (#1286)

---
 listener/tproxy/packet.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/listener/tproxy/packet.go b/listener/tproxy/packet.go
index e485266515..b038d954f8 100644
--- a/listener/tproxy/packet.go
+++ b/listener/tproxy/packet.go
@@ -105,9 +105,9 @@ func listenLocalConn(rAddr, lAddr net.Addr, tunnel C.Tunnel) (*net.UDPConn, erro
 			buf := pool.Get(pool.UDPBufferSize)
 			br, err := lc.Read(buf)
 			if err != nil {
-				pool.Put(buf)
 				if errors.Is(err, net.ErrClosed) {
 					log.Debugln("TProxy local conn listener exit.. rAddr=%s lAddr=%s", rAddr.String(), lAddr.String())
+					pool.Put(buf)
 					return
 				}
 			}