netdev - Re: [PATCH net] ip6_gre: fix a dst leak in ip6erspan_tunnel

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Date:   Mon, 16 Sep 2019 09:09:04 +0200 (CEST)
From:   David Miller <davem@...emloft.net>
To:     lucien.xin@...il.com
Cc:     netdev@...r.kernel.org, u9012063@...il.com
Subject: Re: [PATCH net] ip6_gre: fix a dst leak in ip6erspan_tunnel_xmit

From: Xin Long <lucien.xin@...il.com>
Date: Fri, 13 Sep 2019 17:45:47 +0800

> In ip6erspan_tunnel_xmit(), if the skb will not be sent out, it has to
> be freed on the tx_err path. Otherwise when deleting a netns, it would
> cause dst/dev to leak, and dmesg shows:
> 
>   unregister_netdevice: waiting for lo to become free. Usage count = 1
> 
> Fixes: ef7baf5e083c ("ip6_gre: add ip6 erspan collect_md mode")
> Signed-off-by: Xin Long <lucien.xin@...il.com>

Applied and queued up for -stable.