From: James Morris <jmorris@namei.org>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Kees Cook <keescook@chromium.org>,
Mimi Zohar <zohar@linux.vnet.ibm.com>,
linux-kernel@vger.kernel.org,
Serge Hallyn <serge.hallyn@canonical.com>,
James Morris <james.l.morris@oracle.com>,
Al Viro <viro@zeniv.linux.org.uk>, Eric Paris <eparis@redhat.com>,
Jiri Kosina <jkosina@suse.cz>,
linux-security-module@vger.kernel.org,
Chris Wright <chrisw@sous-sol.org>
Subject: Re: [PATCH 1/2] module: add syscall to load module from fd
Date: Wed, 12 Sep 2012 12:57:37 +1000 (EST) [thread overview]
Message-ID: <alpine.LRH.2.02.1209121256380.4482@tundra.namei.org> (raw)
In-Reply-To: <87d31ufy47.fsf@rustcorp.com.au>
On Mon, 10 Sep 2012, Rusty Russell wrote:
> Kees Cook <keescook@chromium.org> writes:
> > On Fri, Sep 7, 2012 at 10:12 AM, Mimi Zohar <zohar@linux.vnet.ibm.com> wrote:
> >> This method is a consistent and extensible approach to verifying the
> >> integrity of file data/metadata, including kernel modules. The only
> >> downside to this approach, I think, is that it requires changes to the
> >> userspace tool.
> >
> > I'm fine with this -- it's an expected change that I'll pursue with
> > glibc, kmod, etc. Without the userspace changes, nothing will use the
> > new syscall. :) I've already got kmod (and older module-init-tools)
> > patched to do this locally.
>
> A syscall is the right way to do this. But does it need to be done?
>
> 1) Do the LSM guys really want this hook?
Yes.
Acked-by: James Morris <james.l.morris@oracle.com>
next prev parent reply other threads:[~2012-09-12 3:04 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-06 18:13 [PATCH 1/2] module: add syscall to load module from fd Kees Cook
2012-09-06 18:13 ` [PATCH 2/2] security: introduce kernel_module_from_file hook Kees Cook
2012-09-07 0:15 ` [PATCH 1/2] module: add syscall to load module from fd Rusty Russell
2012-09-07 16:19 ` Kees Cook
2012-09-07 17:12 ` Mimi Zohar
2012-09-07 17:19 ` Kees Cook
2012-09-07 19:04 ` Mimi Zohar
2012-09-10 1:46 ` Rusty Russell
2012-09-10 15:07 ` Kees Cook
2012-09-12 2:57 ` James Morris [this message]
2012-09-12 4:15 ` H. Peter Anvin
2012-09-12 7:34 ` Rusty Russell
2012-09-12 14:38 ` Kees Cook
2012-09-13 19:22 ` Mimi Zohar
2012-09-19 3:38 ` Rusty Russell
2012-09-19 14:41 ` Mimi Zohar
2012-09-19 16:15 ` Kees Cook
2012-09-07 18:38 Kees Cook
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=alpine.LRH.2.02.1209121256380.4482@tundra.namei.org \
--to=jmorris@namei.org \
--cc=chrisw@sous-sol.org \
--cc=eparis@redhat.com \
--cc=james.l.morris@oracle.com \
--cc=jkosina@suse.cz \
--cc=keescook@chromium.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-security-module@vger.kernel.org \
--cc=rusty@rustcorp.com.au \
--cc=serge.hallyn@canonical.com \
--cc=viro@zeniv.linux.org.uk \
--cc=zohar@linux.vnet.ibm.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 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).