netdev - Re: [PATCH net] net: avoid NULL deref in inet_ctl_sock

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Message-Id: <20151103.102254.64233870062583789.davem@davemloft.net>
Date:	Tue, 03 Nov 2015 10:22:54 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org, dvyukov@...gle.com
Subject: Re: [PATCH net] net: avoid NULL deref in inet_ctl_sock_destroy()

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Mon, 02 Nov 2015 21:04:01 -0800

> On Mon, 2015-11-02 at 22:46 -0500, David Miller wrote:
>> From: Eric Dumazet <eric.dumazet@...il.com>
>> Date: Mon, 02 Nov 2015 07:50:07 -0800
>> 
>> > From: Eric Dumazet <edumazet@...gle.com>
>> > 
>> > Under low memory conditions, tcp_sk_init() and icmp_sk_init()
>> > can both iterate on all possible cpus and call inet_ctl_sock_destroy(),
>> > with eventual NULL pointer.
>> > 
>> > Signed-off-by: Eric Dumazet <edumazet@...gle.com>
>> > Reported-by: Dmitry Vyukov <dvyukov@...gle.com>
>> 
>> Applied.
> 
> Thanks David.
> 
> Bug origin was in linux-4.2 :

Ok, queued up for -stable then...
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