linux-kernel - Re: [PATCH 6.16 000/564] 6.16.2-rc2 review

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Message-ID: <CA+G9fYsjac=SLhzVCZqVHnHGADv1KmTAnTdfcrnhnhcLuko+SQ@mail.gmail.com>
Date: Wed, 20 Aug 2025 20:06:01 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.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, hargar@...rosoft.com, 
	broonie@...nel.org, achill@...ill.org, Zhang Yi <yi.zhang@...weicloud.com>, 
	linux-ext4 <linux-ext4@...r.kernel.org>, linux-fsdevel@...r.kernel.org, 
	Joseph Qi <jiangqi903@...il.com>, Jan Kara <jack@...e.cz>, "Theodore Ts'o" <tytso@....edu>, 
	Anders Roxell <anders.roxell@...aro.org>, Dan Carpenter <dan.carpenter@...aro.org>, 
	Arnd Bergmann <arnd@...db.de>, Ben Copeland <benjamin.copeland@...aro.org>
Subject: Re: [PATCH 6.16 000/564] 6.16.2-rc2 review

On Tue, 19 Aug 2025 at 18:02, Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 6.16.2 release.
> There are 564 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Thu, 21 Aug 2025 12:27:23 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
>         https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.16.2-rc2.gz
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.16.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

As I have reported last week on 6.16.1-rc1 as regression is
still noticed on 6.16.2-rc2.

WARNING: CPU: 0 PID: 7012 at fs/jbd2/transaction.c:334 start_this_handle

Full test log:
------------[ cut here ]------------
[  153.965287] WARNING: CPU: 0 PID: 7012 at fs/jbd2/transaction.c:334
start_this_handle+0x4df/0x500
[  153.966304] Modules linked in: tun fuse
[  153.967547] CPU: 0 UID: 0 PID: 7012 Comm: quotacheck Not tainted
6.16.2-rc2 #1 PREEMPT(voluntary)
[  153.968294] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009),
BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  153.969408] RIP: 0010:start_this_handle+0x4df/0x500
[  153.970243] Code: e9 5b fc ff ff 90 0f 0b 8b 4d a4 65 48 8b 05 a0
27 17 02 48 c7 c7 70 f2 87 ac 8b 55 a0 48 8d b0 c0 07 00 00 e8 a2 09
c7 ff 90 <0f> 0b 90 41 b8 e4 ff ff ff e9 a7 fc ff ff e8 0e c9 e2 00 0f
1f 00
[  153.971734] RSP: 0018:ffffabfb0112bb60 EFLAGS: 00010246
[  153.972336] RAX: 0000000000000049 RBX: ffff93cf8706a800 RCX: 0000000000000000
[  153.973157] RDX: 0000000000000000 RSI: ffffffffaae64a70 RDI: ffffffffaae64a70
[  153.973347] RBP: ffffabfb0112bbd0 R08: 00000000ffffdfff R09: ffffffffacc7c880
[  153.973513] R10: 0000000000000003 R11: ffffffffacc7c880 R12: ffff93cf8706a800
[  153.974263] R13: ffff93cf8044f6c8 R14: 0000000000000000 R15: 0000000000000002
[  153.975058] FS:  00007f245e2d5780(0000) GS:ffff93d04e8ae000(0000)
knlGS:0000000000000000
[  153.975933] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  153.976641] CR2: 00007ff069065690 CR3: 0000000106a0a000 CR4: 00000000000006f0
[  153.977841] Call Trace:
[  153.978279]  <TASK>
[  153.978748]  ? kmem_cache_alloc_noprof+0x119/0x3d0
[  153.979180]  ? __folio_batch_add_and_move+0xb5/0x100
[  153.979691]  jbd2__journal_start+0xfd/0x1f0
[  153.980154]  __ext4_journal_start_sb+0x10d/0x1a0
[  153.980642]  ext4_write_begin+0x17e/0x510
[  153.981132]  generic_perform_write+0x95/0x290
[  153.981569]  ext4_buffered_write_iter+0x6d/0x120
[  153.982014]  ext4_file_write_iter+0xab/0x820
[  153.982315]  ? selinux_file_permission+0x12d/0x1a0
[  153.982754]  ? trace_preempt_on+0x1e/0x70
[  153.983393]  vfs_write+0x2a8/0x4b0
[  153.983886]  ksys_write+0x7b/0xf0
[  153.984248]  __x64_sys_write+0x1d/0x30
[  153.984510]  x64_sys_call+0x2ab/0x20c0
[  153.985107]  do_syscall_64+0xb2/0x2b0
[  153.985513]  entry_SYSCALL_64_after_hwframe+0x77/0x7f


Lore link:
- https://lore.kernel.org/all/CA+G9fYsyYQ3ZL4xaSg1-Tt5Evto7Zd+hgNWZEa9cQLbahA1+xg@mail.gmail.com/
- https://regressions.linaro.org/lkft/linux-stable-rc-linux-6.16.y/v6.16-1186-gb81166f7d590/log-parser-test/exception-warning-cpu-pid-at-fsjbd2transaction-start_this_handle/

--
Linaro LKFT
https://lkft.linaro.org