Re: Kernel 4.1 hang, apparently in __inet_lookup_established

From: Eric Dumazet
Date: Mon Nov 16 2015 - 10:07:59 EST

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.


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