fix: tproxy high cpu usage (#1957)

5aaee9 · web-flow · commit ed7533ca1a2a · 2025-04-03T23:52:19.000+08:00
diff --git 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

Original file line number	Diff line number	Diff line change
`@@ -81,7 +81,7 @@ func NewUDP(addr string, tunnel C.Tunnel, additions ...inbound.Addition) (*UDPLi`
`81`	`81`	`}`
`82`	`82`
`83`	`83`	`dscp, _ := getDSCP(oob[:oobn])`
`84`		`- additions = append(additions, inbound.WithDSCP(dscp))`
	`84`	`+ additions := append(additions, inbound.WithDSCP(dscp)) // don't change outside additions`
`85`	`85`
`86`	`86`	`if rAddr.Addr().Is4() {`
`87`	`87`	`// try to unmap 4in6 address`