Re: Kernel 4.1 hang, apparently in __inet_lookup_established

From: Grant Zhang
Date: Mon Nov 16 2015 - 12:30:14 EST


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
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