From a7312e3999dc43ba65c40c3a4328b42d77a16b79 Mon Sep 17 00:00:00 2001
From: cnderrauber <zengjie9004@gmail.com>
Date: Mon, 28 Sep 2026 15:43:47 +0800
Subject: [PATCH] Abort InjectInboundPacket if Conn is closed

Avoid InjectInboundPacket block infinite if
the handshake is exited.
---
 conn.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/conn.go b/conn.go
index 42e6718ec..20ab4b1ce 100644
--- a/conn.go
+++ b/conn.go
@@ -962,7 +962,10 @@ var poolReadBuffer = sync.Pool{ //nolint:gochecknoglobals
 }
 
 func (c *Conn) InjectInboundPacket(p []byte, rAddr net.Addr) {
-	c.inboundPacketInject <- addrPkt{rAddr, p}
+	select {
+	case <-c.closed.Done():
+	case c.inboundPacketInject <- addrPkt{rAddr, p}:
+	}
 }
 
 type readResult struct {