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Date: Thu, 8 Dec 2011 23:21:43 +0400
From: Vasiliy Kulikov <>
To: Hugh Dickins <>
	Andrew Morton <>,, Alexey Dobriyan <>,
	Al Viro <>, "H. Peter Anvin" <>,
	Greg KH <>, Theodore Tso <>,
	Alan Cox <>,
	James Morris <>, Oleg Nesterov <>
Subject: Re: [RFC v2 2/3] procfs: add hidepid= and gid= mount options

Hi Hugh,

On Mon, Dec 05, 2011 at 14:55 -0800, Hugh Dickins wrote:
> On Sat, 19 Nov 2011, Vasiliy Kulikov wrote:
> > This patch adds support of mount options to restrict access to
> > /proc/PID/ directories.  The default backward-compatible "relaxed"
> > behaviour is left untouched.
> This patch, in 3.2.0-rc3-next-20111202, leaks tasks: watch
> while :; do ps; grep KernelStack /proc/meminfo; sleep 1; done

Thank you very much for the report!

Unfortunately, I have no time to look at it now, will try to debug the
issue these weekends.


Vasiliy Kulikov - bringing security into open computing environments

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