linux-security-module.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: hch@infradead.org (Christoph Hellwig)
To: linux-security-module@vger.kernel.org
Subject: [PATCH 3/3] Make LSM Writable Hooks a command line option
Date: Tue, 27 Jun 2017 10:51:18 -0700	[thread overview]
Message-ID: <20170627175118.GA14286@infradead.org> (raw)
In-Reply-To: <20170627173323.11287-4-igor.stoppa@huawei.com>

On Tue, Jun 27, 2017 at 08:33:23PM +0300, Igor Stoppa wrote:
> From: Igor Stoppa <igor.stoppa@gmail.com>
> 
> This patch shows how it is possible to take advantage of pmalloc:
> instead of using the build-time option __lsm_ro_after_init, to decide if
> it is possible to keep the hooks modifiable, now this becomes a
> boot-time decision, based on the kernel command line.
> 
> This patch relies on:
> 
> "Convert security_hook_heads into explicit array of struct list_head"
> Author: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
> 
> to break free from the static constraint imposed by the previous
> hardening model, based on __ro_after_init.
> 
> The default value is disabled, unless SE Linux debugging is turned on.

Can we please just force it to be read-only?
--
To unsubscribe from this list: send the line "unsubscribe linux-security-module" in
the body of a message to majordomo at vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

  reply	other threads:[~2017-06-27 17:51 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-27 17:33 [PATCH v8 0/3] mm: LSM: ro protection for dynamic data Igor Stoppa
2017-06-27 17:33 ` [PATCH 1/3] Protectable memory support Igor Stoppa
2017-06-27 17:33 ` [PATCH 2/3] LSM: Convert security_hook_heads into explicit array of struct list_head Igor Stoppa
2017-06-27 17:33 ` [PATCH 3/3] Make LSM Writable Hooks a command line option Igor Stoppa
2017-06-27 17:51   ` Christoph Hellwig [this message]
2017-06-28  8:25     ` Igor Stoppa
  -- strict thread matches above, loose matches on Subject: below --
2017-07-10 15:06 [PATCH v10 0/3] mm: security: ro protection for dynamic data Igor Stoppa
2017-07-10 15:06 ` [PATCH 3/3] Make LSM Writable Hooks a command line option Igor Stoppa
2017-07-11  4:12   ` kbuild test robot
2017-07-05 13:46 [PATCH v9 0/3] mm: security: ro protection for dynamic data Igor Stoppa
2017-07-05 13:46 ` [PATCH 3/3] Make LSM Writable Hooks a command line option Igor Stoppa
2017-06-26 14:41 [PATCH v7 0/3] ro protection for dynamic data Igor Stoppa
2017-06-26 14:41 ` [PATCH 3/3] Make LSM Writable Hooks a command line option Igor Stoppa
2017-06-27  5:07   ` kbuild test robot
2017-06-27  6:48   ` kbuild test robot

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=20170627175118.GA14286@infradead.org \
    --to=hch@infradead.org \
    --cc=linux-security-module@vger.kernel.org \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).