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From: "Michał Pecio" <michal.pecio@gmail.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-usb@vger.kernel.org
Subject: Re: NULL dereference on disconnection during usb_set_interface()
Date: Sun, 18 Feb 2024 01:02:51 +0100	[thread overview]
Message-ID: <20240218010251.7ef703ab@foxbook> (raw)
In-Reply-To: <261cbb28-60ec-4a0e-8bbd-2bd328a39c8a@rowland.harvard.edu>

> Here you see usb_set_interface() called from the UVC driver under 
> inappropriate circumstances.  To fix the problem it will be necessary 
> to fix the UVC driver.  It should not allow itself to be unbound from 
> the device while a user-driven operation, such as 
> uvc_video_start_transfer(), is in progress.

Thanks for your explanation, I can see that this is indeed what happens.

I produced a small documentation update patch, hopefully I got it right
this time.

I will notify linux-media about the issue.

Thanks,
Michal

      reply	other threads:[~2024-02-18  0:02 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-21 17:18 NULL dereference on disconnection during usb_set_interface() Michał Pecio
2024-02-17 15:31 ` Greg Kroah-Hartman
2024-02-17 19:26   ` Michał Pecio
2024-02-17 19:55     ` Alan Stern
2024-02-18  0:02       ` Michał Pecio [this message]

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