netdev - Re: [PATCH] netlink: fix races after skb queueing

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Message-ID: <1333701276.5312.20.camel@edumazet-glaptop>
Date:	Fri, 06 Apr 2012 10:34:36 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] netlink: fix races after skb queueing

On Fri, 2012-04-06 at 04:21 -0400, David Miller wrote:
> From: Eric Dumazet <eric.dumazet@...il.com>
> Date: Fri, 06 Apr 2012 10:17:46 +0200
> 
> > As soon as an skb is queued into socket receive_queue, another thread
> > can consume it, so we are not allowed to reference skb anymore, or risk
> > use after free.
> > 
> > Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
> 
> Good catch Eric.
> 
> Applied and queued up for -stable.

Same problem with sock_queue_err_skb(), I'll send a patch for it

Thanks


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