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From: Naresh Kamboju <naresh.kamboju@linaro.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: lkft-triage@lists.linaro.org, patches@lists.linux.dev,
	Alexander Wetzel <Alexander@wetzel-home.de>,
	stable@vger.kernel.org, shuah@kernel.org,
	Dan Carpenter <dan.carpenter@linaro.org>,
	f.fainelli@gmail.com, Bart Van Assche <bvanassche@acm.org>,
	jonathanh@nvidia.com, patches@kernelci.org, linux@roeck-us.net,
	Arnd Bergmann <arnd@arndb.de>,
	srw@sladewatkins.net, broonie@kernel.org,
	LTP List <ltp@lists.linux.it>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	rwarsow@gmx.de, pavel@denx.de, allen.lkml@gmail.com,
	conor@kernel.org, linux-kernel@vger.kernel.org,
	akpm@linux-foundation.org, torvalds@linux-foundation.org,
	sudipm.mukherjee@gmail.com
Subject: Re: [LTP] [PATCH 6.6 000/396] 6.6.24-rc1 review
Date: Tue, 2 Apr 2024 00:31:28 +0530	[thread overview]
Message-ID: <CA+G9fYvewkbwR_i07HHTM=8E2yS-0wRhOT-C45LP3SNtzgd+4Q@mail.gmail.com> (raw)
In-Reply-To: <20240401152547.867452742@linuxfoundation.org>

On Mon, 1 Apr 2024 at 22:06, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 6.6.24 release.
> There are 396 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 Wed, 03 Apr 2024 15:24:46 +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-6.6.24-rc1.gz
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.6.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h


Following kernel warnings have been noticed on qemu-x86_64 while running LTP
cve ioctl_sg01 tests the kernel with stable-rc 6.6.24-rc1, 6.7.12-rc1 and
6.8.3-rc1.

We have started bi-secting this issue.
Always reproduced.

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

ioctl_sg01.c:81: TINFO: Found SCSI device /dev/sg0
------------[ cut here ]------------
[   36.606841] WARNING: CPU: 0 PID: 8 at drivers/scsi/sg.c:2237
sg_remove_sfp_usercontext+0x145/0x150
[   36.609445] Modules linked in:
[   36.610793] CPU: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.6.24-rc1 #1
[   36.611568] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009),
BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   36.612872] Workqueue: events sg_remove_sfp_usercontext
[   36.613691] RIP: 0010:sg_remove_sfp_usercontext+0x145/0x150

<trim>

[   36.621539] Call Trace:
[   36.621953]  <TASK>
[   36.622444]  ? show_regs+0x69/0x80
[   36.622819]  ? __warn+0x8d/0x150
[   36.623078]  ? sg_remove_sfp_usercontext+0x145/0x150
[   36.623558]  ? report_bug+0x171/0x1a0
[   36.623881]  ? handle_bug+0x42/0x80
[   36.624070]  ? exc_invalid_op+0x1c/0x70
[   36.624491]  ? asm_exc_invalid_op+0x1f/0x30
[   36.624897]  ? sg_remove_sfp_usercontext+0x145/0x150
[   36.625408]  process_one_work+0x141/0x300
[   36.625769]  worker_thread+0x2f6/0x430
[   36.626073]  ? __pfx_worker_thread+0x10/0x10
[   36.626529]  kthread+0x105/0x140
[   36.626778]  ? __pfx_kthread+0x10/0x10
[   36.627059]  ret_from_fork+0x41/0x60
[   36.627441]  ? __pfx_kthread+0x10/0x10
[   36.627735]  ret_from_fork_asm+0x1b/0x30
[   36.628293]  </TASK>
[   36.628604] ---[ end trace 0000000000000000 ]---
ioctl_sg01.c:122: TPASS: Output buffer is empty, no data leaked

Suspecting commit:
-----
scsi: sg: Avoid sg device teardown race
commit 27f58c04a8f438078583041468ec60597841284d upstream.

 + WARN_ON_ONCE(kref_read(&sdp->d_ref) != 1);

Steps to reproduce:
- https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/tests/2eVWFlAeOUepfeFVkrOXFYNNAqI/reproducer

Links:
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.6.y/build/v6.6.23-397-g75a2533b74d0/testrun/23255318/suite/log-parser-test/tests/
 - https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/tests/2eVTitwVMagaiWhs5T2iKH390D5


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

-- 
Mailing list info: https://lists.linux.it/listinfo/ltp

       reply	other threads:[~2024-04-02  9:22 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20240401152547.867452742@linuxfoundation.org>
2024-04-01 19:01 ` Naresh Kamboju [this message]
2024-04-01 19:22   ` [LTP] [PATCH 6.6 000/396] 6.6.24-rc1 review Alexander Wetzel via ltp
2024-04-02  7:51     ` Greg Kroah-Hartman
2024-04-02 10:37     ` Dan Carpenter
2024-04-02 11:44       ` Greg Kroah-Hartman

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