netdev - Re: [PATCH net] af_unix: take receive queue lock while appending new skb

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Message-Id: <20151117.152713.294669962025741880.davem@davemloft.net>
Date:	Tue, 17 Nov 2015 15:27:13 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	hannes@...essinduktion.org
Cc:	netdev@...r.kernel.org, edumazet@...gle.com
Subject: Re: [PATCH net] af_unix: take receive queue lock while appending
 new skb

From: Hannes Frederic Sowa <hannes@...essinduktion.org>
Date: Tue, 17 Nov 2015 15:10:59 +0100

> While possibly in future we don't necessarily need to use
> sk_buff_head.lock this is a rather larger change, as it affects the
> af_unix fd garbage collector, diag and socket cleanups. This is too much
> for a stable patch.
> 
> For the time being grab sk_buff_head.lock without disabling bh and irqs,
> so don't use locked skb_queue_tail.
> 
> Fixes: 869e7c62486e ("net: af_unix: implement stream sendpage support")
> Cc: Eric Dumazet <edumazet@...gle.com>
> Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org>

Applied.
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