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From: John Wood <john.wood@gmx.com>
To: Kees Cook <keescook@chromium.org>, Jann Horn <jannh@google.com>
Cc: John Wood <john.wood@gmx.com>,
	Matthew Wilcox <willy@infradead.org>,
	Jonathan Corbet <corbet@lwn.net>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Juri Lelli <juri.lelli@redhat.com>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Dietmar Eggemann <dietmar.eggemann@arm.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
	Luis Chamberlain <mcgrof@kernel.org>,
	Iurii Zaikin <yzaikin@google.com>,
	James Morris <jmorris@namei.org>,
	"Serge E. Hallyn" <serge@hallyn.com>,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org,
	linux-security-module@vger.kernel.org
Subject: Re: [RESEND][RFC PATCH 0/6] Fork brute force attack mitigation (fbfam)
Date: Fri, 11 Sep 2020 16:48:06 +0200	[thread overview]
Message-ID: <20200911144806.GA4128@ubuntu> (raw)
In-Reply-To: <202009101656.FB68C6A@keescook>

Hi,

On Thu, Sep 10, 2020 at 04:58:29PM -0700, Kees Cook wrote:
> On Thu, Sep 10, 2020 at 01:21:01PM -0700, Kees Cook wrote:
> > From: John Wood <john.wood@gmx.com>
> >
> > The goal of this patch serie is to detect and mitigate a fork brute force
> > attack.
>
> Thanks for this RFC! I'm excited to get this problem finally handled in
> the kernel. Hopefully the feedback is useful. :)

Kees and Jann,

Thank you very much for your comments and advices. I'm a newbie in the
linux kernel development and this is my first attempt. So, I would prefer
to study all your comments before to reply since a big amount of terms
you expose are unknown to me.

In other words, a late reply to this serie comments is not a lack of
interest. Moreover, I think it would be better that I try to understand and
to implement your ideas before anything else.

My original patch serie is composed of 9 patches, so the 3 lasts are lost.
Kees: Have you removed them for some reason? Can you send them for review?

security/fbfam: Add two new prctls to enable and disable the fbfam feature
https://github.com/johwood/linux/commit/8a36399847213e7eb7b45b853568a53666bd0083

Documentation/security: Add documentation for the fbfam feature
https://github.com/johwood/linux/commit/fb46804541f5c0915f3f48acefbe6dc998815609

MAINTAINERS: Add a new entry for the fbfam feature
https://github.com/johwood/linux/commit/4303bc8935334136c6ef47b5e50b87cd2c472c1f

Is there a problem if I ask for some guidance (replying to this thread)
during the process to do my second patch series?

My goal is to learn as much as possible doing something useful for the
linux kernel.

Thanks a lot,
John Wood

> --
> Kees Cook

  reply	other threads:[~2020-09-11 16:46 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-10 20:21 Kees Cook
2020-09-10 20:21 ` [RFC PATCH 1/6] security/fbfam: Add a Kconfig to enable the fbfam feature Kees Cook
2020-09-10 21:21   ` Jann Horn
2020-09-10 21:21     ` Jann Horn
2020-09-17 17:32     ` John Wood
2020-09-10 23:18   ` Kees Cook
2020-09-17 18:40     ` John Wood
2020-09-17 22:05       ` Kees Cook
2020-09-18 14:50         ` John Wood
2020-09-10 20:21 ` [RFC PATCH 2/6] security/fbfam: Add the api to manage statistics Kees Cook
2020-09-10 23:23   ` Kees Cook
2020-09-10 20:21 ` [RFC PATCH 3/6] security/fbfam: Use " Kees Cook
2020-09-10 20:27   ` Jann Horn
2020-09-10 20:27     ` Jann Horn
2020-09-10 23:33   ` Kees Cook
2020-09-29 23:47     ` Steven Rostedt
2020-09-29 23:49       ` Steven Rostedt
2020-10-03  9:52         ` John Wood
2020-09-10 20:21 ` [RFC PATCH 4/6] security/fbfam: Add a new sysctl to control the crashing rate threshold Kees Cook
2020-09-10 23:14   ` Kees Cook
2020-09-13 14:33     ` John Wood
2020-09-10 20:21 ` [RFC PATCH 5/6] security/fbfam: Detect a fork brute force attack Kees Cook
2020-09-10 21:10   ` Jann Horn
2020-09-10 21:10     ` Jann Horn
2020-09-13 17:54     ` John Wood
2020-09-14 19:42       ` Jann Horn
2020-09-14 19:42         ` Jann Horn
2020-09-15 18:44         ` John Wood
2020-09-10 23:49   ` Kees Cook
2020-09-11  0:01     ` Jann Horn
2020-09-11  0:01       ` Jann Horn
2020-09-13 16:56       ` John Wood
2020-09-14 19:39         ` Jann Horn
2020-09-14 19:39           ` Jann Horn
2020-09-15 17:36           ` John Wood
2020-09-10 20:21 ` [RFC PATCH 6/6] security/fbfam: Mitigate " Kees Cook
2020-09-10 20:55   ` Jann Horn
2020-09-10 20:55     ` Jann Horn
2020-09-10 23:56   ` Kees Cook
2020-09-11  0:20     ` Jann Horn
2020-09-11  0:20       ` Jann Horn
2020-09-18 16:02     ` John Wood
2020-09-18 21:35       ` Kees Cook
2020-09-19  8:01         ` John Wood
2020-09-10 20:39 ` [RESEND][RFC PATCH 0/6] Fork brute force attack mitigation (fbfam) Jann Horn
2020-09-10 20:39   ` Jann Horn
2020-09-10 23:58 ` Kees Cook
2020-09-11 14:48   ` John Wood [this message]
2020-09-12  7:55     ` Kees Cook
2020-09-12 12:24       ` John Wood
2020-09-12  0:03 ` James Morris
2020-09-12  7:56   ` Kees Cook
2020-09-12  9:36     ` John Wood
2020-09-12 14:47       ` Mel Gorman
2020-09-12 20:48         ` Ondrej Mosnacek
2020-09-12 20:48           ` Ondrej Mosnacek
2020-09-13  7:24           ` John Wood
2020-09-13  7:24             ` John Wood

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