netdev - Re: mirred, redirect action vs. dev refcount issue

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

Message-Id: <20100721.163955.12041610.davem@davemloft.net>
Date:	Wed, 21 Jul 2010 16:39:55 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...tta.com
Cc:	hadi@...erus.ca, netdev@...r.kernel.org
Subject: Re: mirred, redirect action vs. dev refcount issue

From: Stephen Hemminger <shemminger@...tta.com>
Date: Wed, 21 Jul 2010 16:24:26 -0700

> Alternatively, the mirror/redirect could just use ifindex which is
> a soft reference, so if device is removed, they just drop.
> 
> Lazy me favors the later.

If it is the action rule holding onto the device, it should have
an appropriate netdevice notifier handler.

If it's a transient reference on receive, it should be transient
and released eventually.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html