From dae3aa6eee9efcfa547f59e40232181dd24e1053 Mon Sep 17 00:00:00 2001
From: Kevin Krakauer <krakauer@google.com>
Date: Tue, 31 Jan 2023 22:24:59 +0000
Subject: [PATCH] netstack: fix UDP forwarding refcount bug

Fixes #8448.
---
 pkg/tcpip/transport/udp/forwarder.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/tcpip/transport/udp/forwarder.go b/pkg/tcpip/transport/udp/forwarder.go
index 4997fa11c..711a5ed3d 100644
--- a/pkg/tcpip/transport/udp/forwarder.go
+++ b/pkg/tcpip/transport/udp/forwarder.go
@@ -47,7 +47,7 @@ func (f *Forwarder) HandlePacket(id stack.TransportEndpointID, pkt stack.PacketB
 	f.handler(&ForwarderRequest{
 		stack: f.stack,
 		id:    id,
-		pkt:   pkt,
+		pkt:   pkt.IncRef(),
 	})
 
 	return true