Re: mount(2) in 2.3.99pre9!!!

From: Chris Evans (
Date: Thu Jun 01 2000 - 18:26:41 EST

On Thu, 1 Jun 2000, Alexander Viro wrote:

> Yes, we must check that it's not immutable/append-only (the former already
> checked, the latter... OK, needs to be added). But parent?
> Look: if we can add/remove on parent the permissions on mountpoint do not
> matter at all, because of your scenario. So maybe we need to check the
> parent (+ imm/a-o on the mountpoint, as usual) and to fsck with
> permissions on the mountpoint...

Sounds cool - as long as we we cater for S_ISVTX (I think we do), and
perform the checks even if a privileged user is doing the operation -
don't want immutable/append-only circumventions :)


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