On Sun, Dec 15, 2019 at 12:06:01PM +0100, gregkh@xxxxxxxxxxxxxxxxxxx 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@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 5c388abefda0d92355714010c0199055c57ab6c7 Mon Sep 17 00:00:00 2001
From: Wen Yang <wenyang@xxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Cc: linux-usb@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Acked-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20191126140452.14048-1-wenyang@xxxxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Fixed up context and queued up for 4.19.
--
Thanks,
Sasha
