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From: Arnd Bergmann <arnd@arndb.de>
To: Vasiliy Kulikov <segoon@openwall.com>
Cc: linux-kernel@vger.kernel.org,
	kernel-hardening@lists.openwall.com,
	Andrew Morton <akpm@linux-foundation.org>,
	"Greg Kroah-Hartman" <gregkh@suse.de>,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: [RFC 0/5 v4] procfs: introduce hidepid=, hidenet=, gid= mount options
Date: Thu, 16 Jun 2011 10:50:27 +0200	[thread overview]
Message-ID: <201106161050.27716.arnd@arndb.de> (raw)
In-Reply-To: <1308163895-5963-1-git-send-email-segoon@openwall.com>

On Wednesday 15 June 2011, Vasiliy Kulikov wrote:
> 
> This patch series adds support of procfs mount options and adds
> mount options to restrict /proc/<pid>/ directories to owners and
> /proc/<pid>/net/* to root.  Additional group may be defined via
> gid=, and this group will be privileged to study others /proc/<pid>/
> and networking information.
> 
> Similar features are implemented for old kernels in -ow patches (for
> Linux 2.2 and 2.4) and for Linux 2.6 in -grsecurity, but both of them
> are implemented as configure options, not cofigurable in runtime, with
> changes of gid of /proc/<pid>/, and without backward-compatible
> /proc/<pid>/net/* handling.

The patches all look good to me implementation-wise.

I have no opinion on whether it's a good idea to include the feature or not.

	Arnd

  reply	other threads:[~2011-06-16  8:50 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-15 18:51 [RFC 0/5 v4] procfs: introduce hidepid=, hidenet=, gid= mount options Vasiliy Kulikov
2011-06-16  8:50 ` Arnd Bergmann [this message]
2011-06-16  8:58   ` Vasiliy Kulikov
2011-06-16 11:40     ` Arnd Bergmann
2011-06-16 13:33       ` Vasiliy Kulikov
2011-10-30 17:09       ` richard -rw- weinberger
2011-06-21 22:31 ` Andrew Morton
2011-06-22  6:45   ` Vasiliy Kulikov
2011-06-22 10:17     ` Vasiliy Kulikov
2011-06-29 19:16     ` Vasiliy Kulikov
2011-07-06 11:25       ` Alexey Dobriyan

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