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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: John Boero <boeroboy@gmail.com>
Cc: Felipe Balbi <balbi@kernel.org>,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] usb: core: Null deref in kernel with USB webcams.
Date: Thu, 12 Nov 2020 18:57:06 +0100	[thread overview]
Message-ID: <X613chtPVIg8kquH@kroah.com> (raw)
In-Reply-To: <CAO5W59iGm3kN-HhA_g78iJH9cV3fHzjQORM_b3xqo1Mg+XEi2g@mail.gmail.com>

On Thu, Nov 12, 2020 at 05:13:30PM +0000, John Boero wrote:
> Yes the patch is backwards sorry.  Testing alt proposal from
> stern@rowland.harvard.edu.  It may be a buggy driver
> but it would be nice if a buggy driver couldn't bring down
> the entire usb core. lsusb hangs until reboot or reset of usb.

buggy kernel drivers can do anything, including deleting the contents of
your disk.  We don't protect the kernel from itself, sorry :)

good luck!

greg k-h

  reply	other threads:[~2020-11-12 17:56 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-12 15:52 [PATCH] usb: core: Null deref in kernel with USB webcams John Boero
2020-11-12 15:54 ` John Boero
2020-11-12 17:05 ` Greg Kroah-Hartman
2020-11-12 17:13   ` John Boero
2020-11-12 17:57     ` Greg Kroah-Hartman [this message]
2020-11-12 18:15       ` John Boero
2020-11-12 18:54         ` Greg Kroah-Hartman
2020-11-12 19:25         ` Alan Stern
2020-11-13 13:18           ` John Boero
2020-11-13 16:34             ` Alan Stern
2020-11-13 16:45               ` John Boero
2020-11-13 17:16                 ` Alan Stern
2020-11-22 20:03                   ` John Boero
2020-11-23 15:26                     ` Alan Stern
2020-11-12 19:23     ` Alan Stern

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