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From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Alexander Viro <viro@parcelfarce.linux.theplanet.co.uk>
Cc: Nikita Danilov <Nikita@Namesys.COM>,
	linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH-RFC] code for raceless /sys/fs/foofs/*
Date: Wed, 05 May 2004 13:08:50 -0400	[thread overview]
Message-ID: <1083776930.3622.45.camel@lade.trondhjem.org> (raw)
In-Reply-To: <20040505163650.GO17014@parcelfarce.linux.theplanet.co.uk>

On Wed, 2004-05-05 at 12:36, viro@parcelfarce.linux.theplanet.co.uk
wrote:

> We also allow anyone with sysfs mounted to see which filesystems are currently
> mounted on the box - again, regardless of being able to see them in the
> chroot jail/restricted namespace/etc.  It can easily become an issue in
> setups where such information is sensitive.

...but are you *really* likely to be mounting sysfs in a chrooted jail
or restricted namespace?

...and if you do, aren't you more likely to simply 'mount --bind' those
minimal parts of sysfs that you actually need for the given process that
is gaoled?

Cheers,
  Trond

  reply	other threads:[~2004-05-05 17:08 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-05 13:53 [PATCH-RFC] code for raceless /sys/fs/foofs/* Nikita Danilov
2004-05-05 16:28 ` viro
2004-05-05 16:36   ` viro
2004-05-05 17:08     ` Trond Myklebust [this message]
2004-05-05 17:16       ` viro
2004-05-06 15:48       ` Paul P Komkoff Jr
2004-05-06 16:35     ` Nikita Danilov
2004-05-06 17:16       ` Valdis.Kletnieks

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