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From: Carlos Llamas <cmllamas@google.com>
To: Sasha Levin <sashal@kernel.org>
Cc: gregkh@linuxfoundation.org, stable@vger.kernel.org,
	khtsai@google.com, patches@lists.linux.dev,
	linux-kernel@vger.kernel.org, raubcameo@gmail.com,
	andrzej.p@samsung.com, balbi@ti.com, kyungmin.park@samsung.com,
	linux-usb@vger.kernel.org, Jianqiang kang <jianqkang@sina.cn>
Subject: Re: [PATCH 6.6.y] usb: gadget: f_ncm: Fix net_device lifecycle with device_move
Date: Wed, 10 Jun 2026 17:58:54 +0000	[thread overview]
Message-ID: <aiml3pDOjudjX71j@google.com> (raw)
In-Reply-To: <20260608-stable-reply-0013@kernel.org>

On Mon, Jun 08, 2026 at 08:51:59PM -0400, Sasha Levin wrote:
> > [PATCH 6.6.y] usb: gadget: f_ncm: Fix net_device lifecycle with device_move
> 
> I can't take this one (6.6 or 6.1) on its own. ec35c1969650 alone opens a
> userspace-reachable NULL deref in eth_get_drvinfo() that is later closed
> upstream by e002e92e88e1 ("usb: gadget: u_ether: Fix NULL pointer deref in
> eth_get_drvinfo"), so applying this commit by itself trades a UAF for a DoS.
> 
> Please send a complete backport that also includes e002e92e88e124 (as the
> follow-up patch in the same series) for both 6.6.y and 6.1.y, and I'll queue
> them together.

I just ran this patch plus a cherry-pick of e002e92e88e1 that you
mentioned through Android's CI with no issues. Same goes with 6.1.y, so
I can send Jianqiang's backports with the fix added to them.

Cheers,
--
Carlos Llamas

      reply	other threads:[~2026-06-10 17:59 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-08  5:36 [PATCH 6.6.y] usb: gadget: f_ncm: Fix net_device lifecycle with device_move Jianqiang kang
2026-06-09  0:51 ` Sasha Levin
2026-06-10 17:58   ` Carlos Llamas [this message]

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