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From: Steffen Klassert <steffen.klassert@secunet.com>
To: Paul Moore <paul@paul-moore.com>
Cc: Nikolay Aleksandrov <nikolay@redhat.com>,
	<netdev@vger.kernel.org>, Dave Jones <davej@redhat.com>,
	Fan Du <fan.du@windriver.com>,
	"David S. Miller" <davem@davemloft.net>,
	<linux-security-module@vger.kernel.org>
Subject: Re: Possible fix
Date: Fri, 7 Mar 2014 12:23:34 +0100	[thread overview]
Message-ID: <20140307112334.GT32371@secunet.com> (raw)
In-Reply-To: <7881571.eH1vgtYEXX@sifl>

On Thu, Mar 06, 2014 at 10:04:54PM -0500, Paul Moore wrote:
> On Wednesday, March 05, 2014 01:20:09 PM Steffen Klassert wrote:
> >
> > Right, that's not really surprising. But it is a bit surprising that
> > we care for the security context only if we add a socket policy via
> > the pfkey key manager. The security context is not handled if we do
> > that with the netlink key manager, see xfrm_compile_policy().
> > 
> > I'm not that familiar with selinux and labeled IPsec, but maybe this
> > needs to be implemented in xfrm_compile_policy() too.
> 
> Okay, I see your point.  We probably should add support for per-socket policy 
> labels just to keep parity with the pfkey code (and this is far removed from 
> any critical path), but to be honest it isn't something that I think would get 
> much use in practice.  Labeled networking users tend to fall under the very 
> strict, one-system-wide-security-policy and per-socket policies tend to go 
> against that logic.
> 

If you think socket policy labels are no usecase for labeled IPsec, we could
fix this bug simply by removing the code from pfkey ;)

Otherwise I think we should implement it for xfrm_compile_policy() too.

  reply	other threads:[~2014-03-07 11:23 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-27 15:19 kmalloc with locks held in xfrm Dave Jones
2014-02-27 16:17 ` Possible fix Nikolay Aleksandrov
2014-02-27 16:24   ` Nikolay Aleksandrov
2014-02-27 17:05     ` Nikolay Aleksandrov
2014-02-28  7:23   ` Steffen Klassert
2014-02-28 10:10     ` Nikolay Aleksandrov
2014-02-28 22:10       ` Paul Moore
2014-03-02 16:26         ` Nikolay Aleksandrov
2014-03-05 12:20         ` Steffen Klassert
2014-03-07  3:04           ` Paul Moore
2014-03-07 11:23             ` Steffen Klassert [this message]
2014-03-07 15:50               ` Paul Moore
2014-03-04 12:26 ` [PATCH 0/2] af_key: fixes for sleeping while atomic Nikolay Aleksandrov
2014-03-04 12:26   ` [PATCH 1/2] net: af_key: fix sleeping under rcu Nikolay Aleksandrov
2014-03-04 12:46     ` David Laight
2014-03-04 21:40       ` David Miller
2014-03-04 12:26   ` [PATCH 2/2] selinux: add gfp argument to security_xfrm_policy_alloc and fix callers Nikolay Aleksandrov
2014-03-07  3:22     ` Paul Moore
2014-03-07 10:52       ` Nikolay Aleksandrov
2014-03-05 12:07   ` [PATCH 0/2] af_key: fixes for sleeping while atomic Steffen Klassert
2014-03-05 22:21   ` Paul Moore
2014-03-07 11:44 ` [PATCHv2 " Nikolay Aleksandrov
2014-03-07 11:44   ` [PATCHv2 1/2] net: af_key: fix sleeping under rcu Nikolay Aleksandrov
2014-03-07 11:44   ` [PATCHv2 2/2] selinux: add gfp argument to security_xfrm_policy_alloc and fix callers Nikolay Aleksandrov
2014-03-07 22:27     ` Paul Moore
2014-03-10 12:52       ` Steffen Klassert

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