From: Matthew Wilcox <matthew@wil.cx>
To: Pavel Machek <pavel@ucw.cz>
Cc: Miklos Szeredi <miklos@szeredi.hu>,
serue@us.ibm.com, bfields@fieldses.org,
linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk,
ebiederm@xmission.com, linux-fsdevel@vger.kernel.org
Subject: Re: unprivileged mounts vs. rmdir (was: VFS, NFS security bug? ...)
Date: Thu, 26 Mar 2009 07:14:25 -0600 [thread overview]
Message-ID: <20090326131425.GB8014@parisc-linux.org> (raw)
In-Reply-To: <20090326124338.GA1466@ucw.cz>
On Thu, Mar 26, 2009 at 01:43:38PM +0100, Pavel Machek wrote:
> Well... traditionally if you have an open file or cwd inside mounted
> tree... that blocks unmount, right?
>
> What will you do with processes that have open (deleted) files inside
> the mount? What about cwd?
umount -l ?
--
Matthew Wilcox Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours. We can't possibly take such
a retrograde step."
next prev parent reply other threads:[~2009-03-26 13:14 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-11 12:53 VFS, NFS security bug? Should CAP_MKNOD and CAP_LINUX_IMMUTABLE be added to CAP_FS_MASK? Igor Zhbanov
2009-03-11 23:23 ` J. Bruce Fields
2009-03-12 16:03 ` Serge E. Hallyn
2009-03-12 16:31 ` J. Bruce Fields
2009-03-12 16:10 ` Serge E. Hallyn
2009-03-12 19:00 ` J. Bruce Fields
2009-03-12 20:56 ` Igor Zhbanov
2009-03-12 20:21 ` Michael Kerrisk
2009-03-13 17:58 ` J. Bruce Fields
2009-03-13 18:37 ` Ответ: " Igor Zhbanov
2009-03-13 19:00 ` Serge E. Hallyn
2009-03-13 19:00 ` Serge E. Hallyn
2009-03-16 18:21 ` Stephen Smalley
2009-03-16 18:21 ` Stephen Smalley
2009-03-16 18:49 ` Serge E. Hallyn
2009-03-16 18:49 ` Serge E. Hallyn
2009-03-16 21:00 ` Stephen Smalley
2009-03-16 21:00 ` Stephen Smalley
2009-03-16 22:26 ` Igor Zhbanov
2009-03-16 23:13 ` Serge E. Hallyn
2009-03-16 23:13 ` Serge E. Hallyn
2009-03-16 23:17 ` Igor Zhbanov
2009-03-17 14:20 ` Stephen Smalley
2009-03-17 14:20 ` Stephen Smalley
2009-03-17 17:39 ` Serge E. Hallyn
2009-03-17 17:39 ` Serge E. Hallyn
2009-03-17 17:52 ` Stephen Smalley
2009-03-17 17:52 ` Stephen Smalley
2009-03-17 18:23 ` Serge E. Hallyn
2009-03-17 18:23 ` Serge E. Hallyn
2009-03-18 16:17 ` ?????: " Casey Schaufler
2009-03-18 16:17 ` Casey Schaufler
2009-03-18 16:38 ` Serge E. Hallyn
2009-03-18 16:38 ` Serge E. Hallyn
2009-03-18 16:21 ` Ответ: " Stephen Smalley
2009-03-18 16:21 ` Stephen Smalley
2009-03-18 16:47 ` Serge E. Hallyn
2009-03-18 16:47 ` Serge E. Hallyn
2009-03-18 16:57 ` J. Bruce Fields
2009-03-18 17:24 ` Serge E. Hallyn
2009-03-18 17:24 ` Serge E. Hallyn
2009-03-16 22:48 ` J. Bruce Fields
2009-03-16 23:03 ` Serge E. Hallyn
2009-03-16 23:03 ` Serge E. Hallyn
2009-03-14 19:20 ` Michael Kerrisk
2009-03-16 14:16 ` Igor Zhbanov
2009-03-16 16:36 ` J. Bruce Fields
2009-03-16 16:46 ` J. Bruce Fields
2009-03-16 17:05 ` Serge E. Hallyn
2009-03-16 17:04 ` Serge E. Hallyn
2009-03-16 22:54 ` J. Bruce Fields
2009-03-16 22:59 ` Serge E. Hallyn
2009-03-23 13:21 ` unprivileged mounts vs. rmdir (was: VFS, NFS security bug? ...) Miklos Szeredi
2009-03-26 12:43 ` Pavel Machek
2009-03-26 13:14 ` Matthew Wilcox [this message]
2009-03-27 7:04 ` Eric W. Biederman
2009-03-12 11:46 ` VFS, NFS security bug? Should CAP_MKNOD and CAP_LINUX_IMMUTABLE be added to CAP_FS_MASK? Igor Zhbanov
[not found] ` <f44001920903120446k47590437q95242f7a55c11d57-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-03-12 12:25 ` Igor Zhbanov
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