From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Serge Hallyn <serge.hallyn@canonical.com>
Cc: Kees Cook <keescook@chromium.org>,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Tejun Heo <tj@kernel.org>, Andrew Vagin <avagin@openvz.org>,
Pavel Emelyanov <xemul@parallels.com>,
Vasiliy Kulikov <segoon@openwall.com>
Subject: Re: [rfc 3/3] prctl: Add PR_SET_MM codes to tune up mm_struct entires
Date: Wed, 30 Nov 2011 00:55:47 +0400 [thread overview]
Message-ID: <20111129205547.GJ1775@moon> (raw)
In-Reply-To: <4ED54547.5060905@canonical.com>
On Tue, Nov 29, 2011 at 02:49:11PM -0600, Serge Hallyn wrote:
>
> My memory is a bit hazy here, but cryo
> (http://git.sr71.net/?p=cryo-forhallyn.git;a=summary) did also do
> this from userspace. As I recall the one problem we had was ...
> that we couldn't lower the mm_start of the first segment? I think.
> But I bring it up only because the advantage of doing it this way
> was that all of the ptrace protections automatically applied.
>
Thanks for the link Serge, I'll take a look. I think for start_code
we might stick for exactly Elf path -- ie it should be vma with
at least "r-xp" prototipe as mapped by elf path (and restrictions
from Kees's mail should be applied on it as well). Other members
are not that clear for me.
prev parent reply other threads:[~2011-11-29 20:55 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-29 19:12 [rfc 0/3] A small bundle in a sake of checkpoint/restore Cyrill Gorcunov
2011-11-29 19:12 ` [rfc 1/3] fs, proc: Add start_data, end_data, start_brk members to /proc/$pid/stat Cyrill Gorcunov
2011-11-29 20:06 ` Kees Cook
2011-12-02 0:24 ` Alexey Dobriyan
2011-12-02 7:28 ` Cyrill Gorcunov
2011-12-02 19:23 ` Kees Cook
2011-12-02 19:28 ` Cyrill Gorcunov
2011-11-29 20:32 ` Serge Hallyn
2011-11-30 5:04 ` KAMEZAWA Hiroyuki
2011-11-29 19:12 ` [rfc 2/3] fs, proc: Introduce the Children: line in /proc/<pid>/status Cyrill Gorcunov
2011-11-30 5:00 ` KAMEZAWA Hiroyuki
2011-11-30 6:05 ` Cyrill Gorcunov
2011-12-01 9:54 ` Cyrill Gorcunov
2011-12-01 15:43 ` Tejun Heo
2011-12-01 15:53 ` Cyrill Gorcunov
2011-12-01 16:07 ` Tejun Heo
2011-12-01 21:29 ` Andrew Morton
2011-12-01 21:38 ` Cyrill Gorcunov
2011-12-02 0:40 ` KAMEZAWA Hiroyuki
2011-12-02 12:41 ` Pedro Alves
2011-12-02 12:43 ` Pavel Emelyanov
2011-12-02 12:45 ` Cyrill Gorcunov
2011-12-02 13:10 ` Pedro Alves
2011-12-02 13:40 ` Pedro Alves
2011-12-02 12:58 ` Pedro Alves
2011-12-02 13:16 ` Pavel Emelyanov
2011-12-02 13:44 ` Pedro Alves
2011-12-02 13:52 ` Pavel Emelyanov
2011-12-02 14:00 ` Pedro Alves
2011-12-02 14:17 ` Pavel Emelyanov
2011-12-02 14:25 ` Pedro Alves
2011-12-02 14:37 ` Pavel Emelyanov
2011-12-02 14:45 ` Pedro Alves
2011-11-29 19:12 ` [rfc 3/3] prctl: Add PR_SET_MM codes to tune up mm_struct entires Cyrill Gorcunov
2011-11-29 20:19 ` Kees Cook
2011-11-29 20:29 ` Cyrill Gorcunov
2011-11-29 20:37 ` Cyrill Gorcunov
2011-11-29 20:40 ` Kees Cook
2011-11-29 20:47 ` Cyrill Gorcunov
2011-11-30 17:37 ` Cyrill Gorcunov
2011-11-30 18:10 ` Kees Cook
2011-11-30 18:23 ` Cyrill Gorcunov
2011-11-30 21:06 ` Cyrill Gorcunov
2011-12-07 12:27 ` Cyrill Gorcunov
2011-12-07 22:43 ` Andrew Morton
2011-12-08 7:07 ` Cyrill Gorcunov
2011-12-08 7:15 ` Andrew Morton
2011-12-08 7:30 ` Cyrill Gorcunov
2011-11-29 20:37 ` Kees Cook
2011-11-29 20:49 ` Serge Hallyn
2011-11-29 20:55 ` Cyrill Gorcunov [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20111129205547.GJ1775@moon \
--to=gorcunov@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=avagin@openvz.org \
--cc=keescook@chromium.org \
--cc=linux-kernel@vger.kernel.org \
--cc=segoon@openwall.com \
--cc=serge.hallyn@canonical.com \
--cc=tj@kernel.org \
--cc=xemul@parallels.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.