From: weipeng <coderlogicwei@gmail.com>
To: oneukum@suse.com
Cc: anna-maria@linutronix.de, coderlogicwei@gmail.com,
frederic@kernel.org, linux-kernel@vger.kernel.org,
linux-usb@vger.kernel.org,
syzbot+30b78308ba7e64647ff8@syzkaller.appspotmail.com,
syzkaller-bugs@googlegroups.com, tglx@linutronix.de
Subject: Re: [syzbot] [usb?] INFO: task hung in i2c_tiny_usb_disconnect
Date: Tue, 13 Jan 2026 23:35:47 +0800 [thread overview]
Message-ID: <20260113153547.335916-1-coderlogicwei@gmail.com> (raw)
In-Reply-To: <30e2487e-5738-46bc-95f7-8d0ba3ba9b1a@suse.com>
On Tue, 13 Jan 2026 10:49:16, Oliver Neukum wrote:
> For once what prevents the driver from being unloaded
> with a work item queued after disconnect() has run?
> How do you make sure that the disconnected flag is ever read?
Hi,
Did you say that we can't make sure the usb_read() and usb_write()
is prevented after the dev->disconnected is set to true?
It is indeed a problem. I will send a new patch soon.
Thanks for review!
next prev parent reply other threads:[~2026-01-13 15:35 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-11 16:32 [syzbot] [usb?] INFO: task hung in i2c_tiny_usb_disconnect syzbot
2026-01-12 13:11 ` Wei Peng
2026-01-12 13:24 ` syzbot
2026-01-12 13:31 ` Wei Peng
2026-01-12 13:38 ` Wei Peng
2026-01-12 13:41 ` syzbot
2026-01-13 3:11 ` weipeng
2026-01-13 4:22 ` syzbot
2026-01-13 6:25 ` weipeng
2026-01-13 7:28 ` syzbot
2026-01-13 7:52 ` weipeng
2026-01-13 8:35 ` syzbot
2026-01-13 9:49 ` Oliver Neukum
2026-01-13 15:35 ` weipeng [this message]
2026-01-13 15:45 ` weipeng
2026-01-13 15:47 ` weipeng
2026-01-13 16:18 ` syzbot
2026-01-13 20:23 ` Oliver Neukum
2026-01-14 8:11 ` weipeng
2026-01-14 8:26 ` Oliver Neukum
2026-01-14 8:51 ` weipeng
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