From mboxrd@z Thu Jan  1 00:00:00 1970
From: Grant Zhang <gzhang@fastly.com>
Subject: Re: Kernel 4.1 hang, apparently in __inet_lookup_established
Date: Mon, 16 Nov 2015 09:30:07 -0800
Message-ID: <564A129F.5060705@fastly.com>
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Cc: Patrick Schaaf <kernelorg@bof.de>, NETDEV <netdev@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
To: Eric Dumazet <eric.dumazet@gmail.com>
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On 16/11/2015 07:07, Eric Dumazet wrote:
> On Sun, 2015-11-15 at 16:58 -0800, Grant Zhang wrote:
>> Hi Patrick,
>>
>> Have you tried the two patches Eric mentioned? One of my 4.1.11 server
>> just hanged with very similar stack trace and I am wondering whether the
>> aforementioned patches would help.
>>
>> Thanks,
>
> linux-4.1.12 definitely contains the fixes.
>
> 8ae3dfacdd82 inet: fix race in reqsk_queue_unlink()
> 31b8abd140ad inet: fix races in reqsk_queue_hash_req()
>
> Please upgrade to 4.1.13 and you should be fine.
>
> Thanks.
>
>

Thank you Eric and Patrick. I will upgrade to 4.1.13.

Grant