linux-kernel - Re: WARNING in cm109_urb_irq_callback/usb_submit

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Message-Id: <3F7A182E-605F-4545-BF77-E739E7A624A4@m.fudan.edu.cn>
Date: Tue, 1 Apr 2025 17:40:33 +0800
From: 胡焜 <huk23@...udan.edu.cn>
To: Oliver Neukum <oneukum@...e.com>
Cc: 白烁冉 <baishuoran@...eu.edu.cn>,
 Dmitry Torokhov <dmitry.torokhov@...il.com>,
 "jjtan24@...udan.edu.cn" <jjtan24@...udan.edu.cn>,
 linux-usb@...r.kernel.org,
 linux-kernel@...r.kernel.org,
 linux-input@...r.kernel.org,
 syzkaller@...glegroups.com
Subject: Re: WARNING in cm109_urb_irq_callback/usb_submit_urb



> 2025年3月20日 21:35，Oliver Neukum <oneukum@...e.com> 写道：
> 
> 
> On 20.03.25 05:39, 白烁冉 wrote:
>> Dear Maintainers,
>> When using our customized Syzkaller to fuzz the latest Linux kernel, the following crash (94th)was triggered.
> 
> Hi,
> 
> is there a way to use the syzkaller for testing a patch?
> 
> Regards
> Oliver
> <0001-USB-cm109-fix-race-between-restarting-and-close.patch>


Hi Oliver,

Sorry for late, our servers have been down for a few days and we just managed to fix it today.

We retested the patch you provided, but we found that the issue still exists, but may be somewhat different from the call trace from the previous issue. I have provided a screenshot in diff form and the full call trace log in the attachment.


——————
Thanks,
Kun Hu


View attachment "call trace.txt" of type "text/plain" (17544 bytes)

Download attachment "diff.jpg" of type "image/jpeg" (143791 bytes)