netdev - Re: [PATCH net] ipv6: reuse ip6_frag_id from ip6_ufo_append

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: <20140222.002855.2055879239461145413.davem@davemloft.net>
Date:	Sat, 22 Feb 2014 00:28:55 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	hannes@...essinduktion.org
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net] ipv6: reuse ip6_frag_id from ip6_ufo_append_data

From: Hannes Frederic Sowa <hannes@...essinduktion.org>
Date: Fri, 21 Feb 2014 02:55:35 +0100

> Currently we generate a new fragmentation id on UFO segmentation. It
> is pretty hairy to identify the correct net namespace and dst there.
> Especially tunnels use IFF_XMIT_DST_RELEASE and thus have no skb_dst
> available at all.
> 
> This causes unreliable or very predictable ipv6 fragmentation id
> generation while segmentation.
> 
> Luckily we already have pregenerated the ip6_frag_id in
> ip6_ufo_append_data and can use it here.
> 
> Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org>

Applied, thanks 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