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SubjectRe: [patch 5/5] VFS: allow filesystem to override mknod capability checks
On Fri, Sep 21, 2007 at 04:48:58PM +0200, Miklos Szeredi wrote:
> Ah, OK. Well, that's what fuse would do with the above change. So
> you are basically saying, the change is OK, but we want proper
> unprivileged mounts first.

Yes, that and that it should be a mount flag, not a file_system_type

> I'm sure we don't want it by default.
> For example if user bind mounts / onto /home/user/myroot (with 'nodev'
> of couse), we still don't want mknod to work on that mount, for
> obvious reasons.

True, we'll have to deny it if there is any non-privilegued mount of
the backing device possible. At this point it's getting rather nasty
and I wonder whether it's really worth it..
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