From: Pavel Machek <pavel@suse.cz>
To: John Ogness <dazukocode@ogness.net>
Cc: linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk,
malware-list@lists.printk.net, eparis@redhat.com,
hch@infradead.org, alan@lxorguk.ukuu.org.uk
Subject: Re: [PATCH 0/5] VFS: DazukoFS, stackable-fs, file access control
Date: Fri, 26 Dec 2008 19:30:19 +0100 [thread overview]
Message-ID: <20081226183019.GB1528@ucw.cz> (raw)
In-Reply-To: <86d4fhwz66.fsf@johno-ibook.fn.ogness.net>
On Wed 2008-12-24 13:11:29, John Ogness wrote:
> On 2008-12-24, Pavel Machek <pavel@suse.cz> wrote:
> >> If you are aware of a race condition in DazukoFS, please report
> >> it. Thank you.
> >
> > I'm surprised, do you claim there is none?
>
> It depends on how you want to define "race condition". DazukoFS (in
> its current form) closes as many holes as default UNIX permissions or
> SElinux. However, changing permissions (i.e. scanning files) _after_
> two parties already have an open handle to the file is currently not
> covered. But this issue is not unique to DazukoFS (although as a
> stackable filesystem, DazukoFS could support this case as well).
Not unique to dazukofs, but regression to scanning at nfsd level,
right? So I guess it should be mentioned in changelog if you compare
yourself to solutions that do not have this problem.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
prev parent reply other threads:[~2008-12-26 18:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-21 14:52 John Ogness
2008-12-21 14:56 ` [PATCH 1/5] " John Ogness
2008-12-21 14:57 ` [PATCH 2/5] " John Ogness
2008-12-21 14:59 ` [PATCH 3/5] " John Ogness
2008-12-21 15:00 ` [PATCH 4/5] " John Ogness
2008-12-21 15:01 ` [PATCH 5/5] " John Ogness
2008-12-21 15:48 ` [PATCH 1/5] " Bastian Blank
2008-12-21 17:56 ` John Ogness
2008-12-23 11:54 ` [PATCH 0/5] " Pavel Machek
2008-12-23 18:55 ` John Ogness
2008-12-24 8:53 ` Pavel Machek
2008-12-24 12:11 ` John Ogness
2008-12-26 18:30 ` Pavel Machek [this message]
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