linux-kernel - Re: problem with IPoA (CLIP), NAT, and VLANS

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: <20090217095200.GA5538@ff.dom.local>
Date:	Tue, 17 Feb 2009 09:52:00 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	Karl Hiramoto <karl@...amoto.org>, netdev@...r.kernel.org,
	netfilter@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: problem with IPoA (CLIP),  NAT, and VLANS

On Tue, Feb 17, 2009 at 10:03:57AM +0100, Patrick McHardy wrote:
...
> The first patch looks fine. As for the second one, I would like
> to understand why we're seing these packets. The VLAN driver uses
> the original headroom plus the space it needs itself, which suggests
> that the underlying driver specifies an incorrect headroom.
> The driver doesn't appear to be part of the mainline kernel though.

On the other hand, if Karl added his patch it seems this change of
NET_SKB_PAD isn't enough, and if omitting skb_cow_head() works, then
the headroom isn't the main problem?

Jarek P.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/