Re: FAILED: patch "[PATCH] usb: typec: fix use after free in typec_register_port()" failed to apply to 4.19-stable tree

[Sasha Levin <sashal@kernel.org>]

On Sun, Dec 15, 2019 at 12:06:01PM +0100, gregkh@linuxfoundation.org wrote:
>
>The patch below does not apply to the 4.19-stable tree.
>If someone wants it applied there, or to any other stable or longterm
>tree, then please email the backport, including the original git commit
>id to <stable@vger.kernel.org>.
>
>thanks,
>
>greg k-h
>
>------------------ original commit in Linus's tree ------------------
>
>From 5c388abefda0d92355714010c0199055c57ab6c7 Mon Sep 17 00:00:00 2001
>From: Wen Yang <wenyang@linux.alibaba.com>
>Date: Tue, 26 Nov 2019 22:04:52 +0800
>Subject: [PATCH] usb: typec: fix use after free in typec_register_port()
>MIME-Version: 1.0
>Content-Type: text/plain; charset=UTF-8
>Content-Transfer-Encoding: 8bit
>
>We can't use "port->sw" and/or "port->mux" after it has been freed.
>
>Fixes: 23481121c81d ("usb: typec: class: Don't use port parent for getting mux handles")
>Signed-off-by: Wen Yang <wenyang@linux.alibaba.com>
>Cc: stable <stable@vger.kernel.org>
>Cc: linux-usb@vger.kernel.org
>Cc: linux-kernel@vger.kernel.org
>Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
>Link: https://lore.kernel.org/r/20191126140452.14048-1-wenyang@linux.alibaba.com
>Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fixed up context and queued up for 4.19.

-- 
Thanks,
Sasha