From owner-freebsd-current  Tue Oct 21 19:02:08 1997
Return-Path: <owner-freebsd-current>
Received: (from root@localhost)
          by hub.freebsd.org (8.8.7/8.8.7) id TAA25912
          for current-outgoing; Tue, 21 Oct 1997 19:02:08 -0700 (PDT)
          (envelope-from owner-freebsd-current)
Received: from ocean.campus.luth.se (ocean.campus.luth.se [130.240.194.116])
          by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id TAA25907
          for <current@FreeBSD.ORG>; Tue, 21 Oct 1997 19:02:05 -0700 (PDT)
          (envelope-from karpen@ocean.campus.luth.se)
Received: (from karpen@localhost)
	by ocean.campus.luth.se (8.8.5/8.8.5) id EAA05605;
	Wed, 22 Oct 1997 04:09:07 +0200 (CEST)
From: Mikael Karpberg <karpen@ocean.campus.luth.se>
Message-Id: <199710220209.EAA05605@ocean.campus.luth.se>
Subject: Re: -STABLE reboots
In-Reply-To: <199710220037.KAA17789@godzilla.zeta.org.au> from Bruce Evans at "Oct 22, 97 10:37:46 am"
To: bde@zeta.org.au (Bruce Evans)
Date: Wed, 22 Oct 1997 04:09:06 +0200 (CEST)
Cc: current@FreeBSD.ORG
X-Mailer: ELM [version 2.4ME+ PL31H (25)]
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Sender: owner-freebsd-current@FreeBSD.ORG
X-Loop: FreeBSD.org
Precedence: bulk

According to Bruce Evans:
> The problem is more serious in -current, since mount(2) is unprivileged,
> so even `mount /foo /foo' panics (if the mounter is root or owns /foo).

Er... Isn't that easilly solvable by mount checking for the two arguments
being the same?

Or mount syscall (?) or mount_* programs checking if the arguments are the
same, or so? Or am I missing something?

  /Mikael