linux-kernel - Re: [RFC 0/28] Patches to pass vfsmount to LSM inode security hooks

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Date:	Wed, 7 Feb 2007 01:04:24 -0800
From:	Andreas Gruenbacher <agruen@...e.de>
To:	Christoph Hellwig <hch@...radead.org>, viro@...iv.linux.org.uk
Cc:	Tony Jones <tonyj@...e.de>, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, chrisw@...s-sol.org,
	linux-security-module@...r.kernel.org
Subject: Re: [RFC 0/28] Patches to pass vfsmount to LSM inode security hooks

On Tuesday 06 February 2007 01:52, Christoph Hellwig wrote:
> On Mon, Feb 05, 2007 at 06:13:26PM -0800, Andreas Gruenbacher wrote:
> > On Monday 05 February 2007 10:44, Christoph Hellwig wrote:
> > > Looking at the actual patches I see you're lazy in a lot of places.
> > > Please make sure that when you introduce a vfsmount argument somewhere
> > > that it is _always_ passed and not just when it's conveniant.  Yes,
> > > that's more work, but then again if you're not consistant anyone
> > > half-serious will laught at a security model using this infrasturcture.
> >
> > It may appear like laziness, but it's not. Let's look at where we're
> > passing NULL at the moment:
>
> You know, I've tracked a lot of this down previously when I submitted
> patches to add vfsmount arguments to the vfs_ helpers, just to get tought
> by Al that this is a bad idea :)

Hmmm, I really would like to know how else we could get at that information in 
the lsm hooks then.

Andreas
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