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From: Greg KH <gregkh@linuxfoundation.org>
To: Johan Hovold <johan@kernel.org>
Cc: linux-usb@vger.kernel.org, stable <stable@vger.kernel.org>
Subject: Re: [PATCH v2 2/2] USB: serial: opticon: stop all I/O on close()
Date: Tue, 14 Jan 2020 13:18:57 +0100	[thread overview]
Message-ID: <20200114121857.GB1503960@kroah.com> (raw)
In-Reply-To: <20200114110146.5929-2-johan@kernel.org>

On Tue, Jan 14, 2020 at 12:01:46PM +0100, Johan Hovold wrote:
> Make sure to stop any submitted write URBs on close(). This specifically
> avoids a NULL-pointer dereference or use-after-free in case of a late
> completion event after driver unbind.
> 
> Fixes: 648d4e16567e ("USB: serial: opticon: add write support")
> Cc: stable <stable@vger.kernel.org>	# 2.6.30: xxx: USB: serial: opticon: add chars_in_buffer() implementation
> Signed-off-by: Johan Hovold <johan@kernel.org>

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

  reply	other threads:[~2020-01-14 12:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200114110146.5929-1-johan@kernel.org>
2020-01-14 11:01 ` [PATCH v2 2/2] USB: serial: opticon: stop all I/O on close() Johan Hovold
2020-01-14 12:18   ` Greg KH [this message]
2020-01-16 16:21     ` Johan Hovold

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