linux-ext4 - Re: ext4_mballoc_test: Internal error: Oops: map_id_range_down (kernel/user

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Date: Fri, 1 Mar 2024 11:19:58 +0800
From: Kemeng Shi <shikemeng@...weicloud.com>
To: Guenter Roeck <linux@...ck-us.net>, Daniel Díaz
 <daniel.diaz@...aro.org>, Naresh Kamboju <naresh.kamboju@...aro.org>
Cc: open list <linux-kernel@...r.kernel.org>,
 linux-ext4 <linux-ext4@...r.kernel.org>, linux-fsdevel@...r.kernel.org,
 lkft-triage@...ts.linaro.org, Jan Kara <jack@...e.cz>,
 Andreas Dilger <adilger.kernel@...ger.ca>, Theodore Ts'o <tytso@....edu>,
 Christian Brauner <brauner@...nel.org>, Randy Dunlap
 <rdunlap@...radead.org>, Arnd Bergmann <arnd@...db.de>,
 Dan Carpenter <dan.carpenter@...aro.org>
Subject: Re: ext4_mballoc_test: Internal error: Oops: map_id_range_down
 (kernel/user_namespace.c:318)



on 2/29/2024 3:33 AM, Guenter Roeck wrote:
> On 2/28/24 11:26, Daniel Díaz wrote:
>> Hello!
>>
>> On Wed, 28 Feb 2024 at 12:19, Naresh Kamboju <naresh.kamboju@...aro.org> wrote:
>>> Kunit ext4_mballoc_test tests found following kernel oops on Linux next.
>>> All ways reproducible on all the architectures and steps to reproduce shared
>>> in the bottom of this email.
>>>
>>> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
>>>
> 
> [ ... ]
> 
>> +Guenter. Just the thing we were talking about, at about the same time.
>>
> 
> Good that others see the same problem. Thanks a lot for reporting!
> 
> Guenter
> 
Hi everyone, thanks for the report. I try to fix the reported issues with [1]
which works fine in my vm. Of course, it needs more interview before being
applied. Please let me if it works fine in case anyone have interest to test
it in advance.
Thanks!

Kemeng

[1] https://lore.kernel.org/linux-ext4/20240301120816.22581-1-shikemeng@huaweicloud.com/T/#mfbfb65f0a2b9092eea5d4fea7166c46aaa878215