Re: [patch 7/8] allow unprivileged mounts

Andi Kleen
2007-04-21T21:09:05Z

Andrew Morton <akpm@linux-foundation.org> writes:

> On Fri, 20 Apr 2007 12:25:39 +0200 Miklos Szeredi <miklos@szeredi.hu> wrote:
>
> > Define a new fs flag FS_SAFE, which denotes, that unprivileged
> > mounting of this filesystem may not constitute a security problem.
> >
> > Since most filesystems haven't been designed with unprivileged
> > mounting in mind, a thorough audit is needed before setting this flag.
>
> Practically speaking, is there any realistic likelihood that any filesystem
> apart from FUSE will ever use this?

If it worked for mount --bind for any fs I could see uses of this. I haven't thought
through the security implications though, so it might not work.

-Andi