From: Greg KH <gregkh@linuxfoundation.org>
To: Jacob Saunders <saunders.52@wright.edu>
Cc: stable@vger.kernel.org
Subject: Re: patch "xhci: Fix use-after-free in xhci_free_virt_device" causes kernel crashes on 4.16.8 on unplug
Date: Sat, 12 May 2018 06:32:38 +0200 [thread overview]
Message-ID: <20180512043238.GA23800@kroah.com> (raw)
In-Reply-To: <31c27b43-16e5-fd1c-2018-432620639fc5@wright.edu>
On Fri, May 11, 2018 at 07:15:08PM -0400, Jacob Saunders wrote:
> On Linux kernel 4.16.8 (using Arch Linux) if I eject a USB 3.0 device from
> my system (unplug or "udisksctl power-off --block-device /dev/sde), it
> freezes instantly with a null pointer error in XHCI. I've been unable to
> successfully capture a kernel log of the error (and my cameras did not
> return usable results) and the screen begins scrolling near-immediately with
> hung processors in a VT.� I have done a git bisection (between 4.16.7 and
> 4.16.7) narrowing it down to the following commit:
As discussed on the linux-usb mailing list, there's a fix for this
coming.
thanks,
greg k-h
prev parent reply other threads:[~2018-05-12 4:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-11 23:15 patch "xhci: Fix use-after-free in xhci_free_virt_device" causes kernel crashes on 4.16.8 on unplug Jacob Saunders
2018-05-12 4:32 ` Greg KH [this message]
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