From: ebiederm@xmission.com (Eric W. Biederman)
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: linuxram@us.ibm.com, linux-fsdevel@vger.kernel.org,
viro@ftp.linux.org.uk, containers@lists.osdl.org,
akpm@linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [Devel] Re: [patch 05/10] add "permit user mounts in new namespace" clone flag
Date: Mon, 16 Apr 2007 09:43:55 -0600 [thread overview]
Message-ID: <m18xcsl3yc.fsf@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <E1HdNwV-0006l2-00@dorka.pomaz.szeredi.hu> (Miklos Szeredi's message of "Mon, 16 Apr 2007 11:56:15 +0200")
Miklos Szeredi <miklos@szeredi.hu> writes:
> That depends. Current patches check the "unprivileged submounts
> allowed under this mount" flag only on the requested mount and not on
> the propagated mounts. Do you see a problem with this?
I think privileges of this sort should propagate. If I read what you
just said correctly if I have a private mount namespace I won't be able
to mount anything unless when it was setup the unprivileged submount
command was explicitly set.
Eric
next prev parent reply other threads:[~2007-04-16 15:45 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-12 16:45 [patch 00/10] (resend) mount ownership and unprivileged mount syscall Miklos Szeredi
2007-04-12 16:45 ` [patch 01/10] add user mounts to the kernel Miklos Szeredi
2007-04-12 16:45 ` [patch 02/10] allow unprivileged umount Miklos Szeredi
2007-04-12 16:45 ` [patch 03/10] account user mounts Miklos Szeredi
2007-04-12 16:45 ` [patch 04/10] add "permit user mounts" flag to namespaces Miklos Szeredi
2007-04-12 16:45 ` [patch 05/10] add "permit user mounts in new namespace" clone flag Miklos Szeredi
2007-04-12 20:32 ` Serge E. Hallyn
2007-04-13 4:16 ` Herbert Poetzl
2007-04-13 7:09 ` Miklos Szeredi
2007-04-13 4:45 ` Eric W. Biederman
2007-04-13 7:12 ` Miklos Szeredi
2007-04-13 13:47 ` Serge E. Hallyn
2007-04-13 14:22 ` Eric W. Biederman
2007-04-16 8:47 ` [Devel] " Ram Pai
2007-04-16 9:32 ` Miklos Szeredi
2007-04-16 9:49 ` Ram Pai
2007-04-16 9:56 ` Miklos Szeredi
2007-04-16 15:43 ` Eric W. Biederman [this message]
2007-04-16 15:58 ` Miklos Szeredi
2007-04-16 19:16 ` Eric W. Biederman
2007-04-16 19:56 ` Serge E. Hallyn
2007-04-17 9:04 ` Eric W. Biederman
2007-04-17 11:09 ` Miklos Szeredi
2007-04-17 18:16 ` Eric W. Biederman
2007-04-17 18:36 ` Miklos Szeredi
2007-04-17 19:54 ` Eric W. Biederman
2007-04-18 9:11 ` Miklos Szeredi
2007-04-18 13:55 ` Trond Myklebust
2007-04-18 14:03 ` Miklos Szeredi
2007-04-18 14:26 ` Trond Myklebust
2007-04-18 15:01 ` Christoph Hellwig
2007-04-18 19:00 ` Trond Myklebust
2007-04-18 15:06 ` Miklos Szeredi
2007-04-18 17:14 ` Eric W. Biederman
2007-04-18 18:05 ` Miklos Szeredi
2007-04-19 9:02 ` Miklos Szeredi
2007-04-17 14:25 ` Serge E. Hallyn
2007-04-17 14:28 ` Serge E. Hallyn
2007-04-16 17:14 ` Ram Pai
2007-04-16 17:50 ` Miklos Szeredi
2007-04-17 17:07 ` Serge E. Hallyn
2007-04-17 17:44 ` Miklos Szeredi
2007-04-17 18:15 ` Serge E. Hallyn
2007-04-17 18:58 ` Miklos Szeredi
2007-04-17 19:28 ` Ram Pai
2007-04-17 19:43 ` Miklos Szeredi
2007-04-17 20:25 ` Ram Pai
2007-04-18 9:19 ` Miklos Szeredi
2007-04-18 18:35 ` Ram Pai
2007-04-18 19:14 ` Miklos Szeredi
2007-04-18 19:41 ` Ram Pai
2007-04-19 8:36 ` Miklos Szeredi
2007-04-12 16:45 ` [patch 06/10] propagate error values from clone_mnt Miklos Szeredi
2007-04-12 16:45 ` [patch 07/10] allow unprivileged bind mounts Miklos Szeredi
2007-04-12 16:45 ` [patch 08/10] put declaration of put_filesystem() in fs.h Miklos Szeredi
2007-04-12 16:45 ` [patch 09/10] allow unprivileged mounts Miklos Szeredi
2007-04-12 16:45 ` [patch 10/10] allow unprivileged fuse mounts Miklos Szeredi
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