linux-fsdevel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andy Lutomirski <luto@kernel.org>
To: Casey Schaufler <casey@schaufler-ca.com>
Cc: Andy Lutomirski <luto@kernel.org>,
	David Howells <dhowells@redhat.com>,
	Al Viro <viro@zeniv.linux.org.uk>,
	raven@themaw.net, Linux FS Devel <linux-fsdevel@vger.kernel.org>,
	Linux API <linux-api@vger.kernel.org>,
	linux-block@vger.kernel.org, keyrings@vger.kernel.org,
	LSM List <linux-security-module@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>, Jann Horn <jannh@google.com>
Subject: Re: [PATCH 01/10] security: Override creds in __fput() with last fputter's creds [ver #3]
Date: Thu, 6 Jun 2019 12:34:00 -0700	[thread overview]
Message-ID: <CALCETrVc=PpCjSC-pjcjr0WMKtgVXWijwB3FX+tSp5VOH2bCpg@mail.gmail.com> (raw)
In-Reply-To: <e434a62a-d92a-c6e2-cda1-309ac99d4d5c@schaufler-ca.com>

On Thu, Jun 6, 2019 at 12:09 PM Casey Schaufler <casey@schaufler-ca.com> wrote:
>
> On 6/6/2019 10:18 AM, Andy Lutomirski wrote:
> > On Thu, Jun 6, 2019 at 8:06 AM David Howells <dhowells@redhat.com> wrote:
> >> Andy Lutomirski <luto@amacapital.net> wrote:

> > Casey, I think you need to state your requirement in a way that's well
> > defined, and I think you need to make a compelling case that your
> > requirement is indeed worth dictating the design of parts of the
> > kernel outside LSM.
>
> Err, no, I don't believe so. There's a whole lot more
> going on in this discussion than just what's going on
> within the LSMs. Using examples from the LSMs makes it
> easier, because their policies are better defined than
> the "legacy" policies are. The most important part of the
> discussion is about ensuring that the event mechanism
> doesn't circumvent the legacy policies. Yes, I understand
> that you don't know what that means, or has to do with
> anything.
>
>

Indeed, I do not know what you have in mind about making sure this
mechanism doesn't circumvent legacy policies.  Can you elaborate?

--Andy

  reply	other threads:[~2019-06-06 19:34 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-06  9:41 [RFC][PATCH 00/10] Mount, FS, Block and Keyrings notifications [ver #3] David Howells
2019-06-06  9:42 ` [PATCH 01/10] security: Override creds in __fput() with last fputter's creds " David Howells
2019-06-06 14:57   ` Andy Lutomirski
2019-06-06 15:06   ` David Howells
2019-06-06 17:18     ` Andy Lutomirski
2019-06-06 19:09       ` Casey Schaufler
2019-06-06 19:34         ` Andy Lutomirski [this message]
2019-06-06  9:42 ` [PATCH 02/10] General notification queue with user mmap()'able ring buffer " David Howells
2019-06-06  9:42 ` [PATCH 03/10] keys: Add a notification facility " David Howells
2019-06-06  9:42 ` [PATCH 04/10] vfs: Add a mount-notification " David Howells
2019-06-06  9:42 ` [PATCH 05/10] vfs: Add superblock notifications " David Howells
2019-06-06  9:42 ` [PATCH 06/10] fsinfo: Export superblock notification counter " David Howells
2019-06-06  9:43 ` [PATCH 07/10] Add a general, global device notification watch list " David Howells
2019-06-06  9:43 ` [PATCH 08/10] block: Add block layer notifications " David Howells
2019-06-06  9:43 ` [PATCH 09/10] usb: Add USB subsystem " David Howells
2019-06-06 14:24   ` Alan Stern
2019-06-06 14:33     ` Greg Kroah-Hartman
2019-06-06 14:55       ` Alan Stern
2019-06-06 15:31         ` Greg Kroah-Hartman
2019-06-07  6:40           ` Felipe Balbi
2019-06-07 14:01             ` Alan Stern
2019-06-11  6:28               ` Felipe Balbi
2019-06-11 13:53                 ` Alan Stern
2019-06-12  6:58                   ` Felipe Balbi
2019-06-06  9:43 ` [PATCH 10/10] Add sample notification program " David Howells
2019-06-06 21:21   ` Eugeniu Rosca
2019-06-06 22:52   ` David Howells
2019-06-07 14:37   ` David Howells
2019-06-06 12:32 ` [RFC][PATCH 00/10] Mount, FS, Block and Keyrings notifications " Stephen Smalley
2019-06-06 13:16 ` David Howells
2019-06-06 14:05   ` Stephen Smalley
2019-06-06 16:43     ` Casey Schaufler
2019-06-06 17:11       ` Andy Lutomirski
2019-06-06 18:33         ` Casey Schaufler
2019-06-06 18:51           ` Andy Lutomirski
2019-06-06 17:16       ` Stephen Smalley
2019-06-06 18:56         ` Casey Schaufler
2019-06-06 19:54           ` Andy Lutomirski
2019-06-06 21:17           ` David Howells
2019-06-06 21:54             ` Andy Lutomirski
2019-06-06 22:38             ` David Howells
2019-06-06 22:42               ` Andy Lutomirski
2019-06-06 22:50               ` David Howells
2019-06-06 14:34 ` Christian Brauner

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='CALCETrVc=PpCjSC-pjcjr0WMKtgVXWijwB3FX+tSp5VOH2bCpg@mail.gmail.com' \
    --to=luto@kernel.org \
    --cc=casey@schaufler-ca.com \
    --cc=dhowells@redhat.com \
    --cc=jannh@google.com \
    --cc=keyrings@vger.kernel.org \
    --cc=linux-api@vger.kernel.org \
    --cc=linux-block@vger.kernel.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-security-module@vger.kernel.org \
    --cc=raven@themaw.net \
    --cc=viro@zeniv.linux.org.uk \
    /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).