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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