netdev - Re: [PATCH 1/1] ipv6 addrconf:fix preferred lifetime state-changing behavior while valid

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 for Android: free password hash cracker in your pocket

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

Date:	Tue, 10 Dec 2013 00:47:04 +0100
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	"Asano, Yasushi" <yasushi.asano@...fujitsu.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH 1/1] ipv6 addrconf:fix preferred lifetime state-changing behavior while valid_lft is infinity

On Mon, Dec 09, 2013 at 05:54:37AM +0000, Asano, Yasushi wrote:
> from: Yasushi Asano  <yasushi.asano@...fujitsu.com>
> 
> There is a problem when setting the lifetime of an IPv6 address.
> When I set preferred_lft to a value not zero or infinity, while valid_lft is infinity(0xffffffff)
> preferred lifetime is set to forever and does not update.
> Therefore preferred lifetime never becomes deprecated.
> 
> I think valid lifetime and preferred lifetime should be set independently,
> even if valid lifetime is infinity, preferred lifetime must expire correctly (meaning it must eventually become deprecated)
> 
> I made a patch for 3.12 stable to solve the problem.

This indeed could be improved. Thanks for the patch. But you should base
it on net-next so it can be applied and please clean up the warnings
and errors if you run the patch through ./scripts/checkpatch --strict.

Thank you,

  Hannes

--
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