linux-kernel - Re: [PATCH] leds: trigger: netdev: fix handling on interface rename

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]

Message-ID: <20191104090958.GI12355@duo.ucw.cz>
Date:   Mon, 4 Nov 2019 10:09:58 +0100
From:   Pavel Machek <pavel@....cz>
To:     Martin Schiller <ms@....tdt.de>
Cc:     jacek.anaszewski@...il.com, dmurphy@...com, rafal@...ecki.pl,
        linux@...musvillemoes.dk, linux-leds@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] leds: trigger: netdev: fix handling on interface rename

Hi!

> The NETDEV_CHANGENAME code is not "unneeded" like it is stated in commit
> 4cb6560514fa ("leds: trigger: netdev: fix refcnt leak on interface
> rename").
> 
> The event was accidentally misinterpreted equivalent to
> NETDEV_UNREGISTER, but should be equivalent to NETDEV_REGISTER.
> 
> This was the case in the original code from the openwrt project.
> 
> Otherwise, you are unable to set netdev led triggers for (non-existent)
> netdevices, which has to be renamed. This is the case, for example, for
> ppp interfaces in openwrt.
> 
> Fixes: 06f502f57d0d ("leds: trigger: Introduce a NETDEV trigger")
> Fixes: 4cb6560514fa ("leds: trigger: netdev: fix refcnt leak on interface rename")
> Signed-off-by: Martin Schiller <ms@....tdt.de>

Thanks, applied.

I assume it does not fix _real bad_ bug to qualify for stable.

Best regards,
									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

Download attachment "signature.asc" of type "application/pgp-signature" (196 bytes)