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From: Igor Stoppa <igor.stoppa@huawei.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: mhocko@kernel.org, dave.hansen@intel.com, labbott@redhat.com,
	linux-mm@kvack.org, kernel-hardening@lists.openwall.com,
	linux-kernel@vger.kernel.org
Subject: Re: [kernel-hardening] [PATCH 1/1] Sealable memory support
Date: Mon, 22 May 2017 22:45:26 +0300	[thread overview]
Message-ID: <b3b4a71a-01a4-dad2-8df4-8b945c25be2f@huawei.com> (raw)
In-Reply-To: <20170520085147.GA4619@kroah.com>

On 20/05/17 11:51, Greg KH wrote:
> On Fri, May 19, 2017 at 01:38:11PM +0300, Igor Stoppa wrote:
>> Dynamically allocated variables can be made read only,

[...]

> This is really nice, do you have a follow-on patch showing how any of
> the kernel can be changed to use this new subsystem?

Yes, actually I started from the need of turning into R/O some data
structures in both LSM Hooks and SE Linux.

> Without that, it
> might be hard to get this approved (we don't like adding new apis
> without users.)

Yes, I just wanted to give an early preview of the current
implementation, since it is significantly different from what I
initially proposed. So I was looking for early feedback.

Right now, I'm fixing it up and adding some more structured debugging.

Then I'll re-submit it together with the LSM Hooks example.

---
thanks, igor

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  parent reply	other threads:[~2017-05-22 19:46 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-19 10:38 [RFC v3]mm: ro protection for data allocated dynamically Igor Stoppa
2017-05-19 10:38 ` [PATCH 1/1] Sealable memory support Igor Stoppa
2017-05-20  8:51   ` [kernel-hardening] " Greg KH
2017-05-21 11:14     ` [PATCH] LSM: Make security_hook_heads a local variable Tetsuo Handa
2017-05-22 14:03       ` Christoph Hellwig
2017-05-22 15:09         ` Casey Schaufler
2017-05-22 19:50           ` Igor Stoppa
2017-05-22 20:32             ` Casey Schaufler
2017-05-22 20:43               ` Tetsuo Handa
2017-05-22 19:45     ` Igor Stoppa [this message]
2017-05-22 21:38   ` [PATCH 1/1] Sealable memory support Kees Cook
2017-05-23  9:43     ` Igor Stoppa
2017-05-23 20:11       ` Kees Cook
2017-05-24 17:45         ` Igor Stoppa
2017-05-28 18:23           ` Kees Cook
2017-05-28 18:56             ` [kernel-hardening] " Boris Lukashev
2017-05-28 21:32               ` Kees Cook
2017-05-29  6:04                 ` Boris Lukashev
2017-05-31 21:22             ` Igor Stoppa
2017-05-31 13:55   ` kbuild test robot
2017-06-04  2:18   ` kbuild test robot

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