From: "Mickaël Salaün" <mic@digikod.net>
To: Djalal Harouni <tixxdz@gmail.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Andy Lutomirski <luto@amacapital.net>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Casey Schaufler <casey@schaufler-ca.com>,
Daniel Borkmann <daniel@iogearbox.net>,
David Drysdale <drysdale@google.com>,
"David S . Miller" <davem@davemloft.net>,
"Eric W . Biederman" <ebiederm@xmission.com>,
James Morris <james.l.morris@oracle.com>,
Jann Horn <jann@thejh.net>, Jonathan Corbet <corbet@lwn.net>,
Matthew Garrett <mjg59@srcf.ucam.org>,
Michael Kerrisk <mtk.manpages@gmail.com>,
Kees Cook <keescook@chromium.org>,
Paul Moore <paul@paul-moore.com>,
Sargun Dhillon <sargun@sargun.me>,
"Serge E . Hallyn" <serge@hallyn.com>,
Shuah Khan <shuah@kernel.org>, Tejun Heo <tj@kernel.org>,
Thomas Graf <tgraf@suug.ch>, Will Drewry <wad@chromium.org>,
kernel-hardening@lists.openwall.com,
Linux API <linux-api@vger.kernel.org>,
LSM List <linux-security-module@vger.kernel.org>,
netdev@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>,
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Subject: Re: [kernel-hardening] [PATCH net-next v6 06/11] seccomp,landlock: Handle Landlock events per process hierarchy
Date: Fri, 31 Mar 2017 23:15:37 +0200 [thread overview]
Message-ID: <b0662712-53f4-1293-aa61-f0455301d7cc@digikod.net> (raw)
In-Reply-To: <CAEiveUcp6xpUW764zupy8ekttnQGaonXFn-JEFg7nhXUKzenDg@mail.gmail.com>
[-- Attachment #1.1: Type: text/plain, Size: 1095 bytes --]
On 29/03/2017 12:35, Djalal Harouni wrote:
> On Wed, Mar 29, 2017 at 1:46 AM, Mickaël Salaün <mic@digikod.net> wrote:
>> @@ -25,6 +30,9 @@ struct seccomp_filter;
>> struct seccomp {
>> int mode;
>> struct seccomp_filter *filter;
>> +#if defined(CONFIG_SECCOMP_FILTER) && defined(CONFIG_SECURITY_LANDLOCK)
>> + struct landlock_events *landlock_events;
>> +#endif /* CONFIG_SECCOMP_FILTER && CONFIG_SECURITY_LANDLOCK */
>> };
>
> Sorry if this was discussed before, but since this is mean to be a
> stackable LSM, I'm wondering if later you could move the events from
> seccomp, and go with a security_task_alloc() model [1] ?
>
> Thanks!
>
> [1] http://kernsec.org/pipermail/linux-security-module-archive/2017-March/000184.html
>
Landlock use the seccomp syscall to attach a rule to a process and using
struct seccomp to store this rule make sense. There is currently no way
to store multiple task->security, which is needed for a stackable LSM
like Landlock, but we could move the events there if needed in the future.
Mickaël
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 488 bytes --]
next prev parent reply other threads:[~2017-03-31 21:15 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-28 23:46 [kernel-hardening] [PATCH net-next v6 00/11] Landlock LSM: Toward unprivileged sandboxing Mickaël Salaün
2017-03-28 23:46 ` [kernel-hardening] [PATCH net-next v6 01/11] bpf: Add eBPF program subtype and is_valid_subtype() verifier Mickaël Salaün
2017-03-29 13:48 ` [kernel-hardening] " kbuild test robot
2017-04-18 21:48 ` Kees Cook
2017-03-28 23:46 ` [kernel-hardening] [PATCH net-next v6 02/11] bpf,landlock: Define an eBPF program type for Landlock Mickaël Salaün
2017-04-16 21:57 ` [kernel-hardening] " Mickaël Salaün
2017-04-18 21:58 ` Kees Cook
2017-03-28 23:46 ` [kernel-hardening] [PATCH net-next v6 03/11] bpf: Define handle_fs and add a new helper bpf_handle_fs_get_mode() Mickaël Salaün
2017-03-28 23:46 ` [kernel-hardening] [PATCH net-next v6 04/11] landlock: Add LSM hooks related to filesystem Mickaël Salaün
2017-03-29 15:18 ` [kernel-hardening] " kbuild test robot
2017-04-18 22:17 ` Kees Cook
2017-04-18 22:44 ` Mickaël Salaün
2017-04-18 23:16 ` Casey Schaufler
2017-04-18 23:40 ` Kees Cook
2017-04-19 22:03 ` Mickaël Salaün
2017-04-19 23:58 ` Casey Schaufler
2017-04-20 1:48 ` Kees Cook
2017-04-18 23:39 ` Kees Cook
2017-03-28 23:46 ` [kernel-hardening] [PATCH net-next v6 05/11] seccomp: Split put_seccomp_filter() with put_seccomp() Mickaël Salaün
2017-04-18 22:23 ` [kernel-hardening] " Kees Cook
2017-04-18 22:47 ` Mickaël Salaün
2017-04-19 22:18 ` Mickaël Salaün
2017-04-20 1:54 ` Kees Cook
2017-03-28 23:46 ` [kernel-hardening] [PATCH net-next v6 06/11] seccomp,landlock: Handle Landlock events per process hierarchy Mickaël Salaün
2017-03-29 10:35 ` Djalal Harouni
2017-03-31 21:15 ` Mickaël Salaün [this message]
2017-04-18 22:54 ` Kees Cook
2017-04-18 22:53 ` [kernel-hardening] " Kees Cook
2017-04-18 23:24 ` Mickaël Salaün
2017-04-18 23:48 ` Kees Cook
2017-03-28 23:46 ` [kernel-hardening] [PATCH net-next v6 07/11] landlock: Add ptrace restrictions Mickaël Salaün
2017-04-10 6:48 ` Djalal Harouni
2017-04-11 7:19 ` Mickaël Salaün
2017-03-28 23:46 ` [kernel-hardening] [PATCH net-next v6 08/11] bpf: Add a Landlock sandbox example Mickaël Salaün
2017-04-18 23:06 ` [kernel-hardening] " Kees Cook
2017-04-18 23:35 ` Mickaël Salaün
2017-03-28 23:46 ` [kernel-hardening] [PATCH net-next v6 09/11] seccomp: Enhance test_harness with an assert step mechanism Mickaël Salaün
2017-04-19 0:02 ` [kernel-hardening] " Kees Cook
2017-04-19 21:51 ` Mickaël Salaün
2017-04-19 22:02 ` Kees Cook
2017-04-19 22:05 ` Mickaël Salaün
2017-04-20 1:50 ` Kees Cook
2017-03-28 23:46 ` [kernel-hardening] [PATCH net-next v6 10/11] bpf,landlock: Add tests for Landlock Mickaël Salaün
2017-04-18 23:16 ` [kernel-hardening] " Kees Cook
2017-04-18 23:53 ` Mickaël Salaün
2017-04-18 23:59 ` Kees Cook
2017-03-28 23:46 ` [kernel-hardening] [PATCH net-next v6 11/11] landlock: Add user and kernel documentation " Mickaël Salaün
2017-03-29 15:58 ` [kernel-hardening] " kbuild test robot
2017-04-18 23:26 ` [kernel-hardening] Re: [PATCH net-next v6 00/11] Landlock LSM: Toward unprivileged sandboxing Kees Cook
2017-04-19 0:12 ` Mickaël Salaün
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=b0662712-53f4-1293-aa61-f0455301d7cc@digikod.net \
--to=mic@digikod.net \
--cc=acme@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=ast@kernel.org \
--cc=casey@schaufler-ca.com \
--cc=corbet@lwn.net \
--cc=daniel@iogearbox.net \
--cc=davem@davemloft.net \
--cc=drysdale@google.com \
--cc=ebiederm@xmission.com \
--cc=james.l.morris@oracle.com \
--cc=jann@thejh.net \
--cc=keescook@chromium.org \
--cc=kernel-hardening@lists.openwall.com \
--cc=linux-api@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-security-module@vger.kernel.org \
--cc=luto@amacapital.net \
--cc=mjg59@srcf.ucam.org \
--cc=mtk.manpages@gmail.com \
--cc=netdev@vger.kernel.org \
--cc=paul@paul-moore.com \
--cc=penguin-kernel@i-love.sakura.ne.jp \
--cc=sargun@sargun.me \
--cc=serge@hallyn.com \
--cc=shuah@kernel.org \
--cc=tgraf@suug.ch \
--cc=tixxdz@gmail.com \
--cc=tj@kernel.org \
--cc=wad@chromium.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).