linux-kernel - Re: [PATCH v2 0/3] can: fix same memory leaks in can drivers

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Message-ID: <20210728075602.egmaxiqlkch6ujvj@pengutronix.de>
Date:   Wed, 28 Jul 2021 09:56:02 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Pavel Skripkin <paskripkin@...il.com>
Cc:     wg@...ndegger.com, davem@...emloft.net, kuba@...nel.org,
        mailhol.vincent@...adoo.fr, socketcan@...tkopp.net,
        b.krumboeck@...il.com, haas@...-wuensche.com, Stefan.Maetje@....eu,
        linux-can@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/3] can: fix same memory leaks in can drivers

On 27.07.2021 19:59:12, Pavel Skripkin wrote:
> Hi, Marc and can drivers maintainers/reviewers!
> 
> A long time ago syzbot reported memory leak in mcba_usb can driver[1]. It was
> using strange pattern for allocating coherent buffers, which was leading to
> memory leaks. I fixed this wrong pattern in mcba_usb driver and yesterday I got
> a report, that mcba_usb stopped working since my commit. I came up with quick fix
> and all started working well.
> 
> There are at least 3 more drivers with this pattern, I decided to fix leaks
> in them too, since code is actually the same (I guess, driver authors just copy pasted
> code parts). Each of following patches is combination of 91c02557174b
> ("can: mcba_usb: fix memory leak in mcba_usb") and my yesterday fix [2].
> 
> 
> Dear maintainers/reviewers, if You have one of these hardware pieces, please, test
> these patches and report any errors you will find.

Added to linux-can-next/testing.

Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde           |
Embedded Linux                   | https://www.pengutronix.de  |
Vertretung West/Dortmund         | Phone: +49-231-2826-924     |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-5555 |

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