netdev - Re: ip_rcv_finish() NULL pointer and possibly related Oopses

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Message-ID: <D20F6FAC.43BD1%Shaun.Crampton@metaswitch.com>
Date:	Fri, 4 Sep 2015 14:57:10 +0000
From:	Shaun Crampton <Shaun.Crampton@...aswitch.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	Daniel Borkmann <daniel@...earbox.net>,
	Michael Marineau <michael.marineau@...eos.com>,
	Chuck Ebbert <cebbert.lkml@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Peter White <Peter.White@...aswitch.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: ip_rcv_finish() NULL pointer and possibly related Oopses



On 03/09/2015 13:10, "Eric Dumazet" <eric.dumazet@...il.com> wrote:

>On Thu, 2015-09-03 at 10:09 +0000, Shaun Crampton wrote:
>> >...
>> >> Is there anything I can do on a running system to help figure this
>>out?
>> >> Some sort of kernel equivalent to pmap to find out what module or
>>device
>> >> owns that chunk of memory?
>> >
>> >Hmm, perhaps /proc/kallsyms could point to something.
>>0xffffffffa0087d81
>> >and 0xffffffffa008772b could be from the same module, if any.
>> 
>> Any good: https://transfer.sh/szGRE/kallsyms ?
>> 
>
>seems to be cryptd module.
>
>Have you tried to run an pristine upstream kernel ?

No, I haven't tried that; I'm not sure if it's feasible with CoreOS.

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