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Date: Wed, 27 May 2026 10:03:24 +0200
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Cc: khtsai@google.com, sashal@kernel.org,
	Merlijn Wajer <merlijn@wizzup.org>, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [REGRESSION] usb: gadget: u_ether NULL deref in eth_stop after
 gether_detach_gadget
Message-ID: <2026052726-vagrancy-lilac-bf72@gregkh>
References: <89e19e6e-7ee7-4bb0-abd6-60971b7fd601@gmail.com>
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On Tue, May 26, 2026 at 08:56:15AM +0300, Ivaylo Dimitrov wrote:
> on linux 6.18.31 I am seeing a NULL pointer dereference during RNDIS gadget
> teardown.

Does this also happen on the latest 7.1-rc release?

> I suspect the reason is commit:
> 
>   usb: gadget: f_ncm: Fix net_device lifecycle with device_move

Do you have a proposed fix for this issue?

thanks,

greg k-h