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Message-ID: <20110620141137.GA31044@openwall.com>
Date: Mon, 20 Jun 2011 18:11:37 +0400
From: Solar Designer <solar@...nwall.com>
To: kernel-hardening@...ts.openwall.com
Subject: Re: [RFC 2/5 v4] procfs: add hidepid= and gid= mount options
Vasiliy -
On Mon, Jun 20, 2011 at 04:58:10PM +0300, Alexey Dobriyan wrote:
> gid= is bad choice because
> a) e. g. VFAT uses uid=/gid= mount options to make all inodes to have
> certain uid/gid
> b) uid=/gid=, IIRC, will be added as generic VFS mount options (like ro)
> with semantics described in a)
>
> so having different semantics for /proc won't be good.
I lost track of your proposals/patches. Aren't you currently proposing
that gid= would make all inodes have the specified gid? If not, why
not? Such semantics sound fine to me. That's what gid= does on procfs
on Linux 2.4.x-ow.
Please explain.
Thanks,
Alexander
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