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Date: Mon, 5 Dec 2011 14:55:32 -0800 (PST)
From: Hugh Dickins <hughd@google.com>
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To: Vasiliy Kulikov <segooon@gmail.com>
cc: kernel-hardening@lists.openwall.com,
        Andrew Morton <akpm@linux-foundation.org>,
        linux-kernel@vger.kernel.org, Alexey Dobriyan <adobriyan@gmail.com>,
        Al Viro <viro@zeniv.linux.org.uk>, "H. Peter Anvin" <hpa@zytor.com>,
        Greg KH <greg@kroah.com>, Theodore Tso <tytso@mit.edu>,
        Alan Cox <alan@lxorguk.ukuu.org.uk>, James Morris <jmorris@namei.org>,
        Oleg Nesterov <oleg@redhat.com>
Subject: Re: [RFC v2 2/3] procfs: add hidepid= and gid= mount options
In-Reply-To: <20111119110212.GB11468@albatros>
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References: <20111119110126.GA11468@albatros> <20111119110212.GB11468@albatros>
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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

Hugh