linux-kernel - Re: [PATCH v2] can: j1939: Replace WARN_ON_ONCE with netdev_warn_once() in j1939_sk_queue_activate_next

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Mon, 8 Aug 2022 10:06:32 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Fedor Pchelkin <pchelkin@...ras.ru>
Cc:     Robin van der Gracht <robin@...tonic.nl>,
        Oleksij Rempel <linux@...pel-privat.de>, kernel@...gutronix.de,
        Oliver Hartkopp <socketcan@...tkopp.net>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, linux-can@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Alexey Khoroshilov <khoroshilov@...ras.ru>,
        ldv-project@...uxtesting.org,
        Oleksij Rempel <o.rempel@...gutronix.de>
Subject: Re: [PATCH v2] can: j1939: Replace WARN_ON_ONCE with
 netdev_warn_once() in j1939_sk_queue_activate_next_locked()

On 29.07.2022 17:36:55, Fedor Pchelkin wrote:
> We should warn user-space that it is doing something wrong when trying to
> activate sessions with identical parameters but WARN_ON_ONCE macro can not
> be used here as it serves a different purpose.
> 
> So it would be good to replace it with netdev_warn_once() message.
> 
> Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
> 
> Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
> Signed-off-by: Fedor Pchelkin <pchelkin@...ras.ru>
> Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>
> Acked-by: Oleksij Rempel <o.rempel@...gutronix.de>

Nitpick: You should add your S-o-b below every other tag line.

Added to linux-can with fixed indention.

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 |

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)