netdev - Re: [v3] skbuff: Do not scrub skb mark within the same name space

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Message-ID: <552F6643.4090206@6wind.com>
Date:	Thu, 16 Apr 2015 09:35:31 +0200
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	James Morris <jmorris@...ei.org>,
	Herbert Xu <herbert@...dor.apana.org.au>
CC:	netdev@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	linux-security-module@...r.kernel.org, Thomas Graf <tgraf@...g.ch>
Subject: Re: [v3] skbuff: Do not scrub skb mark within the same name space

Le 16/04/2015 09:02, James Morris a écrit :
> On Thu, 16 Apr 2015, Herbert Xu wrote:
[snip]
>> PS I used the wrong email for James the first time around.  So
>> let me repeat the question here.  Should secmark be preserved
>> or cleared across tunnels within the same name space? In fact,
>> do our security models even support name spaces?
>
> They don't support namespaces, and maintaining the label is critical for
> SELinux, at least, which mediates security for the system as a whole.
Herbert, could you send a v4 of your patch with the secmark included?
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