From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Tony Battersby <tonyb@cybernetics.com>
Cc: linux-usb@vger.kernel.org, "Du, Changbin" <changbin.du@intel.com>,
stable <stable@vger.kernel.org>
Subject: Re: USB oops regression caused by -stable patch
Date: Sat, 20 Feb 2016 14:21:19 -0800 [thread overview]
Message-ID: <20160220222119.GC30358@kroah.com> (raw)
In-Reply-To: <56C7293D.2040105@cybernetics.com>
On Fri, Feb 19, 2016 at 09:39:57AM -0500, Tony Battersby wrote:
> This upstream commit is causing an oops:
> d8f00cd685f5 ("usb: hub: do not clear BOS field during reset device")
>
> This patch has already been included in several -stable kernels. Here
> are the affected kernels:
> 4.5.0-rc4 (current git)
> 4.4.2
> 4.3.6 (currently in review)
> 4.1.18
> 3.18.27
> 3.14.61
>
> How to reproduce the problem:
> Boot kernel with slub debugging enabled (otherwise memory corruption
> will cause random oopses later instead of immediately)
> Plug in USB 3.0 disk to xhci USB 3.0 port
> dd if=/dev/sdc of=/dev/null bs=65536
> (where /dev/sdc is the USB 3.0 disk)
> Unplug USB cable while dd is still going
> Oops is immediate:
Not good, thanks for letting us know. I've now reverted this and will
get the fix into 4.5-rc6.
greg k-h
next prev parent reply other threads:[~2016-02-20 22:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-19 14:39 USB oops regression caused by -stable patch Tony Battersby
2016-02-20 22:21 ` Greg Kroah-Hartman [this message]
2016-02-22 2:27 ` Du, Changbin
2016-02-22 15:36 ` Tony Battersby
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