netdev - Re: [PATCH 0/4 net-2.6.25] Proper netlink kernel sockets disposal.

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Date:	Fri, 18 Jan 2008 23:55:43 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	den@...ru
Cc:	netdev@...r.kernel.org, containers@...ts.osdl.org, devel@...nvz.org
Subject: Re: [PATCH 0/4 net-2.6.25] Proper netlink kernel sockets disposal.

From: "Denis V. Lunev" <den@...ru>
Date: Fri, 18 Jan 2008 15:51:47 +0300

> Alexey Dobriyan found, that virtualized netlink kernel sockets (fibl &
> rtnl) are leaked during namespace start/stop loop.
> 
> Leaking fix (simple and obvious) reveals that netlink kernel socket
> disposal leads to OOPSes:
> - nl_table[protocol]->listeners is double freed
> - sometimes during namespace stop netlink_sock_destruct
>   BUG_TRAP(!atomic_read(&sk->sk_rmem_alloc)); is hit
> 
> This set address all these issues.
> 
> Signed-off-by: Denis V. Lunev <den@...nvz.org>
> Tested-by: Alexey Dobriayn <adobriyan@...nvz.org>

All 4 patches applied, thanks!
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