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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20190916.090904.1028775758249846734.davem@davemloft.net>
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.