Re: [PATCH 02/10] vfs: syscall: Add move_mount(2) to move mounts around

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Subject: Re: [PATCH 02/10] vfs: syscall: Add move_mount(2) to move mounts around
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Mon, 8 Jul 2019 19:13:11 +0100
Cc: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>, David Howells <dhowells@xxxxxxxxxx>, linux-api@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx, linux-security-module@xxxxxxxxxxxxxxx
In-reply-to: <20190708180132.GU17978@ZenIV.linux.org.uk>
References: <155059610368.17079.2220554006494174417.stgit@warthog.procyon.org.uk> <155059611887.17079.12991580316407924257.stgit@warthog.procyon.org.uk> <c5b901ca-c243-bf80-91be-a794c4433415@I-love.SAKURA.ne.jp> <20190708131831.GT17978@ZenIV.linux.org.uk> <874l3wo3gq.fsf@xmission.com> <20190708180132.GU17978@ZenIV.linux.org.uk>
User-agent: Mutt/1.11.3 (2019-02-01)

On Mon, Jul 08, 2019 at 07:01:32PM +0100, Al Viro wrote:

> Right now anyone relying upon DAC enforced for MS_MOVE has worse problems

That'd be MAC, of course.  Sorry.

References:
- [PATCH 00/10] VFS: Provide new mount UAPI
  - From: David Howells
- [PATCH 02/10] vfs: syscall: Add move_mount(2) to move mounts around
  - From: David Howells
- Re: [PATCH 02/10] vfs: syscall: Add move_mount(2) to move mounts around
  - From: Tetsuo Handa
- Re: [PATCH 02/10] vfs: syscall: Add move_mount(2) to move mounts around
  - From: Al Viro
- Re: [PATCH 02/10] vfs: syscall: Add move_mount(2) to move mounts around
  - From: Eric W. Biederman
- Re: [PATCH 02/10] vfs: syscall: Add move_mount(2) to move mounts around
  - From: Al Viro

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