linux-kernel - Re: [PATCH RFC v3 4/7] proc: support mounting private procfs instances inside same pid namespace

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Message-ID: <alpine.LFD.2.20.1711101352580.8844@localhost>
Date:   Fri, 10 Nov 2017 13:53:25 +1100 (AEDT)
From:   James Morris <james.l.morris@...cle.com>
To:     Djalal Harouni <tixxdz@...il.com>
cc:     Kees Cook <keescook@...omium.org>,
        Alexey Gladkov <gladkov.alexey@...il.com>,
        Andy Lutomirski <luto@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-hardening@...ts.openwall.com,
        linux-security-module@...r.kernel.org, linux-api@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Akinobu Mita <akinobu.mita@...il.com>, me@...in.cc,
        Oleg Nesterov <oleg@...hat.com>,
        Jeff Layton <jlayton@...chiereds.net>,
        Ingo Molnar <mingo@...nel.org>,
        Alexey Dobriyan <adobriyan@...il.com>, ebiederm@...ssion.com,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Daniel Micay <danielmicay@...il.com>,
        Jonathan Corbet <corbet@....net>, bfields@...ldses.org,
        Stephen Rothwell <sfr@...b.auug.org.au>, solar@...nwall.com
Subject: Re: [PATCH RFC v3 4/7] proc: support mounting private procfs instances
 inside same pid namespace

On Thu, 9 Nov 2017, Djalal Harouni wrote:

> This should allow later after real testing to have a smooth transition
> to a procfs with default private instances.
> 
> [1] https://lists.linuxfoundation.org/pipermail/ksummit-discuss/2017-January/004215.html
> [2] http://www.openwall.com/lists/kernel-hardening/2017/10/05/5
> [3] https://lwn.net/Articles/689539/
> [4] http://lxr.free-electrons.com/source/Documentation/filesystems/devpts.txt?v=3.14
> [5] https://lkml.org/lkml/2017/5/2/407
> [6] https://lkml.org/lkml/2017/5/3/357
> 
> Cc: Kees Cook <keescook@...omium.org>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Suggested-by: Andy Lutomirski <luto@...nel.org>
> Signed-off-by: Alexey Gladkov <gladkov.alexey@...il.com>
> Signed-off-by: Djalal Harouni <tixxdz@...il.com>


Reviewed-by: James Morris <james.l.morris@...cle.com>


-- 
James Morris
<james.l.morris@...cle.com>