linux-kernel - Re: [patch 01/15] security: pass path to inode

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Message-ID: <20080602104203.GA21898@infradead.org>
Date:	Mon, 2 Jun 2008 06:42:03 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	hch@...radead.org, linux-security-module@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, jmorris@...ei.org,
	sds@...ho.nsa.gov, eparis@...hat.com, casey@...aufler-ca.com,
	agruen@...e.de, jjohansen@...e.de,
	penguin-kernel@...ove.SAKURA.ne.jp, viro@...IV.linux.org.uk,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 01/15] security: pass path to inode_create

On Mon, Jun 02, 2008 at 11:52:52AM +0200, Miklos Szeredi wrote:
> These patches fix several issues raised at previous submissions:
> 
>  - passing NULL vfsmounts
>  - using nameidata
>  - using extra stack for vfsmount argument
> 
> So, it seems to me that there's in fact no issues remaining and the
> best excuse you can come up with is that it's a dumb idea.  Well,
> that's not a very imressive technical argument IMNSHO.

Well, pathname based access control is a dumb idea, and we've been
through this N times.  You've also been told that vfs_ routines should
remain without vfsmount, and no that's not a stack-related issue no idea
where that part came from.
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