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From: Christoph Hellwig <hch@infradead.org>
To: Andrew Morton <akpm@osdl.org>
Cc: Miklos Szeredi <miklos@szeredi.hu>,
	hch@infradead.org, jamie@shareable.org, linuxram@us.ibm.com,
	7eggert@gmx.de, bulb@ucw.cz,
	viro@parcelfarce.linux.theplanet.co.uk,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] private mounts
Date: Tue, 26 Apr 2005 11:04:12 +0100	[thread overview]
Message-ID: <20050426100412.GA30762@infradead.org> (raw)
In-Reply-To: <20050426030010.63757c8c.akpm@osdl.org>

On Tue, Apr 26, 2005 at 03:00:10AM -0700, Andrew Morton wrote:
> Not as thick as mine!  Could someone please explain in small words what's
> wrong with an suid mount helper?

Nothing per-se.  What makes it bad is the contect of a userland filesystem
where the actual filesystem operations in the mounted filesystem happen
in contect of a non-privilegued user.

  reply	other threads:[~2005-04-26 10:08 UTC|newest]

Thread overview: 150+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <3WVU1-2GE-7@gated-at.bofh.it>
     [not found] ` <3WWn1-2ZC-5@gated-at.bofh.it>
     [not found]   ` <3WWn1-2ZC-3@gated-at.bofh.it>
     [not found]     ` <3WWwR-3hT-35@gated-at.bofh.it>
     [not found]       ` <3WWwU-3hT-49@gated-at.bofh.it>
     [not found]         ` <3WWGj-3nm-3@gated-at.bofh.it>
     [not found]           ` <3WWQ9-3uA-15@gated-at.bofh.it>
     [not found]             ` <3WWZG-3AC-7@gated-at.bofh.it>
     [not found]               ` <3X630-2qD-21@gated-at.bofh.it>
     [not found]                 ` <3X8HA-4IH-15@gated-at.bofh.it>
     [not found]                   ` <3Xagd-5Wb-1@gated-at.bofh.it>
2005-04-25 15:17                     ` [PATCH] private mounts Bodo Eggert <harvested.in.lkml@posting.7eggert.dyndns.org>
2005-04-25 16:18                       ` Ram
2005-04-25 19:10                         ` Jamie Lokier
2005-04-26  9:16                           ` Miklos Szeredi
2005-04-26  9:19                             ` Christoph Hellwig
2005-04-26  9:22                               ` Miklos Szeredi
2005-04-26  9:36                                 ` Christoph Hellwig
2005-04-26  9:41                                   ` Miklos Szeredi
2005-04-26  9:47                                     ` Christoph Hellwig
2005-04-26  9:53                                       ` Miklos Szeredi
2005-04-26  9:56                                         ` Christoph Hellwig
2005-04-26 10:01                                           ` Miklos Szeredi
2005-04-26 10:09                                             ` Christoph Hellwig
2005-04-26 12:08                                               ` Miklos Szeredi
2005-04-26 10:02                                           ` Christoph Hellwig
2005-04-26 13:19                                       ` Pavel Machek
2005-04-26 13:28                                         ` Miklos Szeredi
2005-04-26 20:14                                           ` Pavel Machek
2005-04-27  8:49                                             ` Miklos Szeredi
2005-04-27  9:24                                               ` Pavel Machek
2005-04-27 10:42                                                 ` Miklos Szeredi
2005-04-27 11:57                                                   ` Jan Hudec
2005-04-27 12:23                                                     ` Miklos Szeredi
2005-04-27 12:39                                                       ` Jan Hudec
2005-04-27 13:22                                                         ` Miklos Szeredi
2005-04-27 14:40                                                           ` Jamie Lokier
2005-04-27 14:58                                                           ` Pavel Machek
2005-04-27 23:21                                                             ` Trond Myklebust
2005-04-28  8:24                                                               ` Pavel Machek
2005-04-28  8:28                                                                 ` Miklos Szeredi
2005-04-28 11:35                                                                 ` Trond Myklebust
2005-04-28 17:58                                                                   ` Bryan Henderson
2005-04-28 19:46                                                                     ` Trond Myklebust
2005-04-28 22:38                                                                       ` Bryan Henderson
2005-04-29  0:35                                                                         ` Trond Myklebust
2005-04-27 14:31                                                   ` Jamie Lokier
2005-04-27 14:46                                                     ` Miklos Szeredi
2005-04-27 14:55                                                       ` Miklos Szeredi
2005-04-27 15:33                                                       ` Martin Mares
2005-04-27 15:50                                                         ` Lars Marowsky-Bree
2005-04-27 15:50                                                           ` Lars Marowsky-Bree
2005-04-27 16:46                                                           ` Martin Mares
2005-04-27 17:38                                                             ` Miklos Szeredi
2005-04-27 17:54                                                               ` Martin Mares
2005-04-27 18:05                                                                 ` Miklos Szeredi
2005-04-27 18:25                                                                   ` Martin Mares
2005-04-27 18:42                                                                     ` Miklos Szeredi
2005-04-28 13:08                                                                   ` Pavel Machek
2005-04-28 19:41                                                                     ` Miklos Szeredi
2005-04-28 20:21                                                                       ` Pavel Machek
2005-04-27 17:33                                                           ` Miklos Szeredi
2005-04-27 17:39                                                             ` Ram
2005-04-27 17:47                                                               ` Miklos Szeredi
2005-04-27 17:55                                                                 ` Ram
2005-04-27 18:09                                                                   ` Miklos Szeredi
2005-04-27 19:40                                                                     ` Ram
2005-04-27 20:03                                                                       ` Miklos Szeredi
2005-04-27 21:38                                                                         ` Ram
2005-04-28  7:00                                                                           ` Miklos Szeredi
2005-04-28 19:30                                                                             ` Ram
2005-04-27 20:55                                                                       ` Bill Davidsen
2005-04-28  7:24                                                                         ` Miklos Szeredi
     [not found]                                                             ` <20050427174641.GZ4431@marowsky-bree.de>
2005-04-27 17:52                                                               ` Miklos Szeredi
2005-04-26 10:00                                     ` Andrew Morton
2005-04-26 10:04                                       ` Christoph Hellwig [this message]
2005-04-26 10:14                                         ` Andrew Morton
2005-04-26 10:38                                           ` Christoph Hellwig
2005-04-26 13:05                                             ` Eric Van Hensbergen
2005-04-26 14:14                                               ` Miklos Szeredi
2005-04-26 15:01                                                 ` Eric Van Hensbergen
2005-04-26 18:55                                         ` Bryan Henderson
2005-04-26  9:30                             ` Martin Mares
2005-04-25 19:02                       ` Bryan Henderson
2005-04-26  8:58                         ` Jan Hudec
2005-04-26 11:48                         ` Bodo Eggert
2005-04-26 17:10                           ` Bryan Henderson
2005-04-26 20:08                             ` Bodo Eggert
2005-04-26 22:07                               ` Bryan Henderson
2005-04-27  8:18                                 ` Bodo Eggert
2005-04-25 19:03                       ` Jamie Lokier
2005-04-26  9:05                       ` Jan Hudec
2005-04-26 11:46                         ` Bodo Eggert
2005-05-10 18:28 Nir Tzachar
2005-05-10 19:15 ` Jan Hudec
  -- strict thread matches above, loose matches on Subject: below --
2005-04-25 10:49 Heikki Orsila
2005-04-24 20:08 Miklos Szeredi
2005-04-24 20:13 ` Al Viro
2005-04-24 20:45   ` Miklos Szeredi
2005-04-24 20:18 ` Christoph Hellwig
2005-04-24 20:50   ` Miklos Szeredi
2005-04-24 20:54     ` Al Viro
2005-04-24 20:59       ` Miklos Szeredi
2005-04-24 21:06         ` Christoph Hellwig
2005-04-24 21:12           ` Jamie Lokier
2005-04-24 21:06         ` Al Viro
2005-04-24 21:15           ` Miklos Szeredi
2005-04-24 21:19             ` Al Viro
2005-04-24 21:29               ` Miklos Szeredi
2005-04-24 21:39                 ` Jamie Lokier
2005-04-25  7:10                 ` Jan Hudec
2005-04-25  9:58                   ` Miklos Szeredi
2005-04-25 11:45                     ` Jan Hudec
2005-04-30  8:35                     ` Christoph Hellwig
2005-04-30  9:25                       ` Miklos Szeredi
2005-04-30  9:42                         ` Jamie Lokier
2005-04-30 10:14                           ` Miklos Szeredi
2005-04-30 14:36                             ` Jamie Lokier
2005-04-30 15:59                               ` Miklos Szeredi
2005-04-30 16:42                                 ` Jamie Lokier
2005-04-30 17:07                                   ` Miklos Szeredi
2005-04-30 18:20                                     ` Olivier Galibert
2005-04-30 23:58                                       ` Jamie Lokier
2005-05-01  2:39                                         ` Ram
2005-04-30 23:54                                     ` Jamie Lokier
2005-05-01  5:56                                       ` Miklos Szeredi
2005-05-01  6:39                                         ` Miklos Szeredi
2005-05-01 15:41                                         ` Eric Van Hensbergen
2005-05-11  9:00                         ` Christoph Hellwig
2005-05-11 10:42                           ` Miklos Szeredi
2005-04-24 21:43               ` Jamie Lokier
2005-04-24 22:06                 ` maciek
2005-04-25  7:14                 ` Jan Hudec
2005-04-27  9:14                 ` Helge Hafting
2005-04-25  9:48               ` Olivier Galibert
2005-04-25 16:37                 ` Tim Hockin
2005-04-30  8:37                 ` Christoph Hellwig
2005-04-25 21:09               ` Bryan Henderson
2005-04-24 21:38           ` Jamie Lokier
2005-04-24 22:20             ` Ram
2005-04-24 22:22               ` Jamie Lokier
2005-04-25  6:00             ` Miklos Szeredi
2005-04-25  6:41               ` Ram
2005-04-25  9:55                 ` Miklos Szeredi
2005-04-25  7:22               ` Jan Hudec
2005-04-25 10:08                 ` Miklos Szeredi
2005-04-25 15:20             ` Pavel Machek
2005-04-25 19:07               ` Jamie Lokier
2005-04-26  9:29                 ` Pavel Machek
2005-04-26 14:07                   ` Jamie Lokier
2005-04-28 13:28                     ` Eric Van Hensbergen
2005-04-28 19:22                       ` Jamie Lokier
2005-04-28 13:47                     ` Eric Van Hensbergen
2005-04-28 19:20                       ` Jamie Lokier
2005-04-28 19:39                         ` Ram
2005-04-28 22:08                           ` Jamie Lokier
2005-04-29  7:57                             ` Ram
2005-04-29 14:13                               ` Miklos Szeredi
2005-04-29 14:42                                 ` Jamie Lokier
2005-04-30  8:33                 ` Christoph Hellwig
2005-04-30 16:47                   ` Ram

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