linux-kernel - Re: [PATCH can v2 0/5] can: usb: fix URB memory leaks

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Message-ID: <20260116-manipulative-wine-pillbug-0b5a36-mkl@pengutronix.de>
Date: Fri, 16 Jan 2026 20:43:21 +0100
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Vincent Mailhol <mailhol@...nel.org>, 
	Wolfgang Grandegger <wg@...ndegger.com>, Sebastian Haas <haas@...-wuensche.com>, 
	"David S. Miller" <davem@...emloft.net>, Frank Jungclaus <frank.jungclaus@....eu>, socketcan@....eu, 
	Yasushi SHOJI <yashi@...cecubics.com>, Daniel Berglund <db@...ser.com>, 
	Olivier Sobrie <olivier@...rie.be>, 
	Remigiusz Kołłątaj <remigiusz.kollataj@...ica.com>, Bernd Krumboeck <b.krumboeck@...il.com>
Cc: kernel@...gutronix.de, linux-can@...r.kernel.org, 
	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH can v2 0/5] can: usb: fix URB memory leaks

On 16.01.2026 20:35:13, Marc Kleine-Budde wrote:
> An URB memory leak [1][2] was recently fixed in the gs_usb driver. The
> driver did not take into account that completed URBs are no longer
> anchored, causing them to be lost during ifdown. The memory leak was fixed
> by re-anchoring the URBs in the URB completion callback.
>
> Several USB CAN drivers are affected by the same error. Fix them
> accordingly.
>
> [1] https://lore.kernel.org/all/20260109135311.576033-3-mkl@pengutronix.de/
> [2] https://lore.kernel.org/all/20260116-can_usb-fix-reanchor-v1-1-9d74e7289225@pengutronix.de/
>
> Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>

Applied to linux-can.

regards,
Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde          |
Embedded Linux                   | https://www.pengutronix.de |
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