From f63df4bdcea6469bdf8ab9b7847b2306c4acc785 Mon Sep 17 00:00:00 2001
From: Indexyz <7685264+5aaee9@users.noreply.github.com>
Date: Thu, 3 Apr 2025 15:48:36 +0800
Subject: [PATCH]  fix(tproxy): inbound.ApplyAdditions high cpu usage

---
 listener/tproxy/udp.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/listener/tproxy/udp.go b/listener/tproxy/udp.go
index 14205e4d..27f01492 100644
--- a/listener/tproxy/udp.go
+++ b/listener/tproxy/udp.go
@@ -81,13 +81,12 @@ func NewUDP(addr string, tunnel C.Tunnel, additions ...inbound.Addition) (*UDPLi
 			}
 
 			dscp, _ := getDSCP(oob[:oobn])
-			additions = append(additions, inbound.WithDSCP(dscp))
 
 			if rAddr.Addr().Is4() {
 				// try to unmap 4in6 address
 				lAddr = netip.AddrPortFrom(lAddr.Addr().Unmap(), lAddr.Port())
 			}
-			handlePacketConn(l, tunnel, buf[:n], lAddr, rAddr, additions...)
+			handlePacketConn(l, tunnel, buf[:n], lAddr, rAddr, append(additions, inbound.WithDSCP(dscp))...)
 		}
 	}()