From: Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>
To: Miklos Szeredi <miklos-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
Cc: akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org,
viro-rfM+Q5joDG/XmaaqVzeoHQ@public.gmane.org,
ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org,
kzak-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org,
util-linux-ng-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [patch 1/9] unprivileged mounts: add user mounts to the kernel
Date: Tue, 8 Jan 2008 21:47:22 +0000 [thread overview]
Message-ID: <20080108214721.GF5050@ucw.cz> (raw)
In-Reply-To: <20080108113619.213519920-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
On Tue 2008-01-08 12:35:03, Miklos Szeredi wrote:
> From: Miklos Szeredi <mszeredi-AlSwsSmVLrQ@public.gmane.org>
>
> This patchset adds support for keeping mount ownership information in the
> kernel, and allow unprivileged mount(2) and umount(2) in certain cases.
>
> The mount owner has the following privileges:
>
> - unmount the owned mount
> - create a submount under the owned mount
- create traps for updatedb, etc?
Is there Doc* file somewhere describing dangers of allowing this?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: akpm@linux-foundation.org, hch@infradead.org, serue@us.ibm.com,
viro@ftp.linux.org.uk, ebiederm@xmission.com, kzak@redhat.com,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
containers@lists.osdl.org, util-linux-ng@vger.kernel.org
Subject: Re: [patch 1/9] unprivileged mounts: add user mounts to the kernel
Date: Tue, 8 Jan 2008 21:47:22 +0000 [thread overview]
Message-ID: <20080108214721.GF5050@ucw.cz> (raw)
In-Reply-To: <20080108113619.213519920@szeredi.hu>
On Tue 2008-01-08 12:35:03, Miklos Szeredi wrote:
> From: Miklos Szeredi <mszeredi@suse.cz>
>
> This patchset adds support for keeping mount ownership information in the
> kernel, and allow unprivileged mount(2) and umount(2) in certain cases.
>
> The mount owner has the following privileges:
>
> - unmount the owned mount
> - create a submount under the owned mount
- create traps for updatedb, etc?
Is there Doc* file somewhere describing dangers of allowing this?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2008-01-08 21:47 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-08 11:35 [patch 0/9] mount ownership and unprivileged mount syscall (v6) Miklos Szeredi
2008-01-08 11:35 ` [patch 1/9] unprivileged mounts: add user mounts to the kernel Miklos Szeredi
2008-01-08 21:34 ` Pavel Machek
[not found] ` <20080108113619.213519920-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-08 21:47 ` Pavel Machek [this message]
2008-01-08 21:47 ` Pavel Machek
2008-01-14 21:46 ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 2/9] unprivileged mounts: allow unprivileged umount Miklos Szeredi
[not found] ` <20080108113620.664824939-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-14 21:48 ` Serge E. Hallyn
2008-01-14 21:48 ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 3/9] unprivileged mounts: account user mounts Miklos Szeredi
[not found] ` <20080108113623.446872155-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-08 18:18 ` Dave Hansen
2008-01-08 18:18 ` Dave Hansen
2008-01-08 19:18 ` Miklos Szeredi
2008-01-08 19:18 ` Miklos Szeredi
2008-01-14 21:53 ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 4/9] unprivileged mounts: propagate error values from clone_mnt Miklos Szeredi
[not found] ` <20080108113624.898035951-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-14 22:23 ` Serge E. Hallyn
2008-01-14 22:23 ` Serge E. Hallyn
2008-01-15 10:15 ` Miklos Szeredi
2008-01-15 10:15 ` Miklos Szeredi
2008-01-08 11:35 ` [patch 5/9] unprivileged mounts: allow unprivileged bind mounts Miklos Szeredi
2008-01-08 18:12 ` Dave Hansen
2008-01-08 19:08 ` Miklos Szeredi
[not found] ` <E1JCJoQ-0003g9-Nk-8f8m9JG5TPIdUIPVzhDTVZP2KDSNp7ea@public.gmane.org>
2008-01-08 19:15 ` Dave Hansen
2008-01-08 19:15 ` Dave Hansen
2008-01-08 20:44 ` Szabolcs Szakacsits
2008-01-08 20:44 ` Szabolcs Szakacsits
2008-01-09 12:45 ` Jan Engelhardt
2008-01-09 12:45 ` Jan Engelhardt
[not found] ` <Pine.LNX.4.64.0801091340270.29244-vVwEwcwQeYFPkBl3ERsXe1l1cybopEuJUBSOeVevoDU@public.gmane.org>
2008-01-09 13:26 ` Karel Zak
2008-01-09 13:26 ` Karel Zak
2008-01-09 13:32 ` Miklos Szeredi
2008-01-08 18:26 ` Dave Hansen
2008-01-08 19:21 ` Miklos Szeredi
2008-01-08 19:21 ` Miklos Szeredi
[not found] ` <20080108113626.895583537-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-10 4:47 ` Serge E. Hallyn
2008-01-10 4:47 ` Serge E. Hallyn
2008-01-14 22:42 ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 6/9] unprivileged mounts: allow unprivileged mounts Miklos Szeredi
2008-01-08 11:35 ` Miklos Szeredi
2008-01-09 11:11 ` Karel Zak
[not found] ` <20080109111120.GI3926-CxBs/XhZ2BtHjqfyn1fVYA@public.gmane.org>
2008-01-09 12:41 ` Miklos Szeredi
2008-01-09 12:41 ` Miklos Szeredi
2008-01-14 22:58 ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 7/9] unprivileged mounts: allow unprivileged fuse mounts Miklos Szeredi
2008-01-08 21:46 ` Pavel Machek
[not found] ` <20080108214625.GE5050-+ZI9xUNit7I@public.gmane.org>
2008-01-08 22:42 ` Miklos Szeredi
2008-01-08 22:42 ` Miklos Szeredi
2008-01-08 22:58 ` Pavel Machek
2008-01-09 9:11 ` Miklos Szeredi
2008-01-09 11:33 ` Pavel Machek
2008-01-09 13:16 ` Miklos Szeredi
2008-01-09 13:35 ` Pavel Machek
2008-01-09 13:48 ` Miklos Szeredi
[not found] ` <E1JCbIb-0005rA-5O-8f8m9JG5TPIdUIPVzhDTVZP2KDSNp7ea@public.gmane.org>
2008-01-09 14:00 ` Pavel Machek
2008-01-09 14:00 ` Pavel Machek
2008-01-09 14:14 ` Miklos Szeredi
2008-01-08 23:56 ` Nigel Cunningham
[not found] ` <47840DAC.5000108-MhVfhJ0qHmuWn91e4EydUaxOck334EZe@public.gmane.org>
2008-01-09 8:47 ` Miklos Szeredi
2008-01-09 8:47 ` Miklos Szeredi
[not found] ` <E1JCWax-0005Ck-Kg-8f8m9JG5TPIdUIPVzhDTVZP2KDSNp7ea@public.gmane.org>
2008-01-09 9:29 ` Nigel Cunningham
2008-01-09 9:29 ` Nigel Cunningham
2008-01-09 11:12 ` Pavel Machek
2008-01-09 9:19 ` Szabolcs Szakacsits
2008-01-09 9:19 ` Szabolcs Szakacsits
[not found] ` <20080108113630.861045063-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-14 23:24 ` Serge E. Hallyn
2008-01-14 23:24 ` Serge E. Hallyn
2008-01-15 10:29 ` Miklos Szeredi
2008-01-15 10:29 ` Miklos Szeredi
[not found] ` <E1JEj3N-0000vj-QA-8f8m9JG5TPIdUIPVzhDTVZP2KDSNp7ea@public.gmane.org>
2008-01-15 13:35 ` Serge E. Hallyn
2008-01-15 13:35 ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 8/9] unprivileged mounts: propagation: inherit owner from parent Miklos Szeredi
[not found] ` <20080108113632.895453887-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-14 23:13 ` Serge E. Hallyn
2008-01-14 23:13 ` Serge E. Hallyn
2008-01-15 10:39 ` Miklos Szeredi
2008-01-15 10:39 ` Miklos Szeredi
[not found] ` <E1JEjCG-0000wz-BS-8f8m9JG5TPIdUIPVzhDTVZP2KDSNp7ea@public.gmane.org>
2008-01-15 14:21 ` Serge E. Hallyn
2008-01-15 14:21 ` Serge E. Hallyn
2008-01-15 14:37 ` Miklos Szeredi
2008-01-15 14:37 ` Miklos Szeredi
[not found] ` <E1JEmv3-0001RN-6J-8f8m9JG5TPIdUIPVzhDTVZP2KDSNp7ea@public.gmane.org>
2008-01-15 14:59 ` Serge E. Hallyn
2008-01-15 14:59 ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 9/9] unprivileged mounts: add "no submounts" flag Miklos Szeredi
[not found] ` <20080108113634.382855604-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-14 23:39 ` Serge E. Hallyn
2008-01-14 23:39 ` Serge E. Hallyn
2008-01-15 10:41 ` Miklos Szeredi
2008-01-15 10:41 ` Miklos Szeredi
2008-01-15 10:53 ` A. C. Censi
[not found] ` <643ea2b10801150253i735d7342q73bf01f864d6167c-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-01-15 10:58 ` Miklos Szeredi
2008-01-15 10:58 ` Miklos Szeredi
2008-01-15 13:47 ` Serge E. Hallyn
2008-01-16 9:43 ` Miklos Szeredi
2008-01-16 9:43 ` Miklos Szeredi
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080108214721.GF5050@ucw.cz \
--to=pavel-+zi9xunit7i@public.gmane.org \
--cc=akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org \
--cc=containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org \
--cc=ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org \
--cc=hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org \
--cc=kzak-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
--cc=linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=miklos-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org \
--cc=serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org \
--cc=util-linux-ng-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=viro-rfM+Q5joDG/XmaaqVzeoHQ@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.