From ed7533ca1a2a595db48c4600cb11e6e792cfc612 Mon Sep 17 00:00:00 2001
From: 5aaee9 <7685264+5aaee9@users.noreply.github.com>
Date: Thu, 3 Apr 2025 08:52:19 -0700
Subject: [PATCH]  fix: tproxy high cpu usage (#1957)

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

diff --git a/listener/tproxy/udp.go b/listener/tproxy/udp.go
index 14205e4d..22b4d696 100644
--- a/listener/tproxy/udp.go
+++ b/listener/tproxy/udp.go
@@ -81,7 +81,7 @@ func NewUDP(addr string, tunnel C.Tunnel, additions ...inbound.Addition) (*UDPLi
 			}
 
 			dscp, _ := getDSCP(oob[:oobn])
-			additions = append(additions, inbound.WithDSCP(dscp))
+			additions := append(additions, inbound.WithDSCP(dscp)) // don't change outside additions
 
 			if rAddr.Addr().Is4() {
 				// try to unmap 4in6 address