netdev - Re: Revert "net: Reset secmark when scrubbing packet"

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Message-Id: <20150416.142135.1372448954643242617.davem@davemloft.net>
Date:	Thu, 16 Apr 2015 14:21:35 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.apana.org.au
Cc:	jmorris@...ei.org, nicolas.dichtel@...nd.com,
	netdev@...r.kernel.org, ebiederm@...ssion.com,
	linux-security-module@...r.kernel.org, tgraf@...g.ch,
	fbl@...close.org
Subject: Re: Revert "net: Reset secmark when scrubbing packet"

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Thu, 16 Apr 2015 16:12:53 +0800

> On Thu, Apr 16, 2015 at 05:02:15PM +1000, James Morris wrote:
>> 
>> They don't support namespaces, and maintaining the label is critical for 
>> SELinux, at least, which mediates security for the system as a whole.
> 
> Thanks for the confirmation James, I thought this looked a bit
> dodgy :)
> 
> ---8<---
> This patch reverts commit b8fb4e0648a2ab3734140342002f68fb0c7d1602
> because the secmark must be preserved even when a packet crosses
> namespace boundaries.  The reason is that security labels apply to
> the system as a whole and is not per-namespace.
> 
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>

Applied and queued up for -stable.
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