[Devel] Re: [patch 7/8] allow unprivileged mounts

[Miklos Szeredi]

> > 
> > > 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?
> 
> V9FS people did express an interest in this.  Yeah, I should've CC-ed
> them, but forgot.  Sorry.

And CIFS maybe.  They also have an unprivileged mounting suid hack.
But I'm not very optimistic about CIFS, seeing some of the code,
that's in there.

Miklos
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