netdev - Re: xfrm: Can "struct netlbl

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Message-Id: <201404242329.FBF00065.OOQtHFMOLFSVFJ@I-love.SAKURA.ne.jp>
Date:	Thu, 24 Apr 2014 23:29:08 +0900
From:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:	paul@...l-moore.com
Cc:	casey@...aufler-ca.com, netdev@...r.kernel.org,
	linux-security-module@...r.kernel.org
Subject: Re: xfrm: Can "struct netlbl_audit" be killed?

Paul Moore wrote:
> On Thursday, April 24, 2014 08:51:35 PM Tetsuo Handa wrote:
> > Hello, Casey and Paul.
> > 
> > At the ipsec-next tree,
> > 
> >   /* Audit Information */
> >   struct xfrm_audit {
> >   	u32     secid;
> >   	kuid_t  loginuid;
> >   	unsigned int sessionid;
> >   };
> > 
> > has just been killed
> > (
> > https://git.kernel.org/cgit/linux/kernel/git/klassert/ipsec-next.git/commit
> > /?id=f1370cc4a01e61007ab3020c761cef6b88ae3729 and
> > https://git.kernel.org/cgit/linux/kernel/git/klassert/ipsec-next.git/commit
> > /?id=2e71029e2c32ecd59a2e8f351517bfbbad42ac11 ) because these arguments are
> > always calculated from current thread's security context.
> 
> Before we go to far, is it always true for AF_KEY that "current" is set to the 
> sending process?  If the answer is no, I think we have a problem.

Speak of "struct xfrm_audit", I think the answer is yes, or commit ab5f5e8b
"[XFRM]: xfrm audit calls" is wrong.
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