linux-kernel - Re: Linux 4.14 - BUG: unable to handle kernel paging request at ffffffff3bbbe160 IP: audit_signal

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Date:   Tue, 21 Nov 2017 17:28:41 -0700
From:   Shuah Khan <shuahkh@....samsung.com>
To:     John Johansen <john.johansen@...onical.com>
Cc:     torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
        Shuah Khan <shuahkh@....samsung.com>
Subject: Re: Linux 4.14 - BUG: unable to handle kernel paging request at
 ffffffff3bbbe160 IP: audit_signal_cb+0x75/0xf0

On 11/21/2017 04:53 PM, John Johansen wrote:
> On 11/21/2017 10:02 AM, Shuah Khan wrote:
>> On 11/21/2017 10:44 AM, John Johansen wrote:
>>> On 11/21/2017 08:58 AM, Shuah Khan wrote:
>>>> Hi John,
>>>>
>>>> I am seeing the following on my laptop. Unfortunately this is my primary
>>>> system and my ability to bisect might be a bit limited. The system is
>>>> running 
>>>>
>>>> 4.14.0+ #4 SMP Tue Nov 14 19:25:58 MST 2017 x86_64 x86_64 x86_64 GNU/Linux
>>>>
>>>> on Ubuntu 17.10 base.
>>>>
>>>> Is this a known issue? Please see the dmesg excerpts below:
>>>>
>>> Its not. I'll start looking into it today
>>>
>>> Do you have any other information that you can send to me?
>>>
>>> Any particular task/work load that triggers this?
>>> Can you tar up your /etc/apparmor.d/ and send that to me?
>>>
>>>
>>
>> Yeah. I forgot mention that detail :)
>>
> So my first attempts to replicate have failed.
> 
> Can you confirm the sha of your kernel build? If its has some none upstream patches can you provide the sha your kernel is based on.
> 
> My testing so far were based on bebc6082da0a9f5d47a1ea2edc099bf671058bd4
> 
> 
> Can you also send me your kernel config so I can better replicate your build
> 

commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 (tag: v4.14)
Author: Linus Torvalds <torvalds@...ux-foundation.org>
Date:   Sun Nov 12 10:46:13 2017 -0800

    Linux 4.14

The above is the top commit in my tree. Config attached.

thanks,
-- Shuah


View attachment ".config" of type "text/plain" (212647 bytes)