linux-kernel - Re: [PATCH 6.3 00/13] 6.3.12-rc1 review

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Date:   Tue, 4 Jul 2023 14:13:03 +0530
From:   Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     stable@...r.kernel.org, patches@...ts.linux.dev,
        linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
        patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
        jonathanh@...dia.com, f.fainelli@...il.com,
        sudipm.mukherjee@...il.com, srw@...dewatkins.net, rwarsow@....de,
        conor@...nel.org, Vegard Nossum <vegard.nossum@...cle.com>
Subject: Re: [PATCH 6.3 00/13] 6.3.12-rc1 review

Hi Greg,

On 04/07/23 1:54 pm, Greg Kroah-Hartman wrote:

>>>
>>>
>>> While running LTP hugetlb testing on x86 the following kernel BUG noticed
>>> on running stable-rc 6.3.12-rc1.
>>>
>>> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
>>>
>>> Crash log:
>>> =========
>>> [   54.386939] hugefallocate01 (410): drop_caches: 3
>>> g tests.......
>>
>> And this worked on 6.3.11 just fine?
>>
>> Trying to narrow down what would have caused this...
>>
>> Any chance you can run Linus's tree with thie LTP test as well?
> 
> Ah, I can hit this here locally too!  Let me bisect...


Have you looked at Patch 9 of this series:

https://lore.kernel.org/stable/2023070416-wow-phrasing-b92c@gregkh/T/#m12068530e846ac8b9668bd83941d82ec3f22ac15

Looks very much related, it also has a note on Backporting.
As I think it could be related, I am sharing this.(But haven't tested 
anything)

Thanks,
Harshit
> 
> thanks,
> 
> greg k-h