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Message-ID: <20090326161945.GU28946@ZenIV.linux.org.uk>
Date: Thu, 26 Mar 2009 16:19:45 +0000
From: Al Viro <viro@...IV.linux.org.uk>
To: David Howells <dhowells@...hat.com>
Cc: Kentaro Takeda <takedakn@...data.co.jp>,
Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
Toshiharu Harada <haradats@...data.co.jp>,
linux-kernel@...r.kernel.org
Subject: Re: Are path-based LSM hooks called from the wrong places?
On Thu, Mar 26, 2009 at 04:14:26PM +0000, David Howells wrote:
> As I said, what I don't want to have to do is attempt to regenerate the full
> pathname, especially if the pathname isn't accessible from within the current
> process's chroot or namespace.
... and if it's not accessible from said process' namespace, pathname-based
checks are going to produce really bizarre results.
IOW, I'd say that such checks simply don't apply in case of fscache.
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