netdev - Re: Kernel 4.1 hang, apparently in __inet_lookup

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Date:	Mon, 16 Nov 2015 07:07:49 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Grant Zhang <gzhang@...tly.com>
Cc:	Patrick Schaaf <kernelorg@....de>, NETDEV <netdev@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Kernel 4.1 hang, apparently in __inet_lookup_established

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.


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