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From: David Laight <David.Laight@ACULAB.COM>
To: "'Mickaël Salaün'" <mic@digikod.net>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>,
	Andy Lutomirski <luto@amacapital.net>,
	Arnd Bergmann <arnd@arndb.de>,
	Casey Schaufler <casey@schaufler-ca.com>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Daniel Mack <daniel@zonque.org>,
	David Drysdale <drysdale@google.com>,
	"David S . Miller" <davem@davemloft.net>,
	Elena Reshetova <elena.reshetova@intel.com>,
	"Eric W . Biederman" <ebiederm@xmission.com>,
	James Morris <james.l.morris@oracle.com>,
	Kees Cook <keescook@chromium.org>, Paul Moore <pmoore@redhat.com>,
	Sargun Dhillon <sargun@sargun.me>,
	"Serge E . Hallyn" <serge@hallyn.com>, Tejun Heo <tj@kernel.org>,
	Will Drewry <wad@chromium.org>,
	"kernel-hardening@lists.openwall.com" 
	<kernel-hardening@lists.openwall.com>,
	"linux-api@vger.kernel.org" <linux-api@vger.kernel.org>,
	"linux-security-module@vger.kernel.org" 
	<linux-security-module@vger.kernel.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"cgroups@vger.kernel.org" <cgroups@vger.kernel.org>
Subject: RE: [RFC v3 00/22] Landlock LSM: Unprivileged sandboxing
Date: Wed, 14 Sep 2016 14:36:40 +0000	[thread overview]
Message-ID: <063D6719AE5E284EB5DD2968C1650D6DB00FC881@AcuExch.aculab.com> (raw)
In-Reply-To: <20160914072415.26021-1-mic@digikod.net>

From: Mickaël Salaün
> Sent: 14 September 2016 08:24
...
> ## Why does seccomp-filter is not enough?
> 
> A seccomp filter can access to raw syscall arguments which means that it is not
> possible to filter according to pointed data as a file path. As demonstrated
> the first version of this patch series, filtering at the syscall level is
> complicated (e.g. need to take care of race conditions). This is mainly because
> the access control checkpoints of the kernel are not at this high-level but
> more underneath, at LSM hooks level. The LSM hooks are designed to handle this
> kind of checks. This series use this approach to leverage the ability of
> unprivileged users to limit themselves.

You cannot validate file path parameters during syscall entry.
It can only be done after the user buffer has been read into kernel memory.
(ie you must only access the buffer once.)

This has nothing to do with where the kernel does any access checks,
and everything to do with the fact that another thread/process can
modify the buffer after you have validated it.

	David

WARNING: multiple messages have this Message-ID (diff)
From: David Laight <David.Laight@ACULAB.COM>
To: "'Mickaël Salaün'" <mic@digikod.net>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>,
	Andy Lutomirski <luto@amacapital.net>,
	Arnd Bergmann <arnd@arndb.de>,
	Casey Schaufler <casey@schaufler-ca.com>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Daniel Mack <daniel@zonque.org>,
	David Drysdale <drysdale@google.com>,
	"David S . Miller" <davem@davemloft.net>,
	Elena Reshetova <elena.reshetova@intel.com>,
	"Eric W . Biederman" <ebiederm@xmission.com>,
	James Morris <james.l.morris@oracle.com>,
	Kees Cook <keescook@chromium.org>, Paul Moore <pmoore@redhat.com>,
	Sargun Dhillon <sargun@sargun.me>,
	"Serge E . Hallyn" <serge@hallyn.com>, Tejun Heo <tj@kernel.org>,
	Will Drewry <wad@chromium.org>,
	"kernel-hardening@lists.openwall.com"
	<kernel-hardening@lists.openwall.com>,
	"linux-api@vger.kernel.org" <linux-api@
Subject: RE: [RFC v3 00/22] Landlock LSM: Unprivileged sandboxing
Date: Wed, 14 Sep 2016 14:36:40 +0000	[thread overview]
Message-ID: <063D6719AE5E284EB5DD2968C1650D6DB00FC881@AcuExch.aculab.com> (raw)
In-Reply-To: <20160914072415.26021-1-mic@digikod.net>

From: Mickaël Salaün
> Sent: 14 September 2016 08:24
...
> ## Why does seccomp-filter is not enough?
> 
> A seccomp filter can access to raw syscall arguments which means that it is not
> possible to filter according to pointed data as a file path. As demonstrated
> the first version of this patch series, filtering at the syscall level is
> complicated (e.g. need to take care of race conditions). This is mainly because
> the access control checkpoints of the kernel are not at this high-level but
> more underneath, at LSM hooks level. The LSM hooks are designed to handle this
> kind of checks. This series use this approach to leverage the ability of
> unprivileged users to limit themselves.

You cannot validate file path parameters during syscall entry.
It can only be done after the user buffer has been read into kernel memory.
(ie you must only access the buffer once.)

This has nothing to do with where the kernel does any access checks,
and everything to do with the fact that another thread/process can
modify the buffer after you have validated it.

	David


WARNING: multiple messages have this Message-ID (diff)
From: David Laight <David.Laight@ACULAB.COM>
To: "'Mickaël Salaün'" <mic@digikod.net>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>,
	Andy Lutomirski <luto@amacapital.net>,
	Arnd Bergmann <arnd@arndb.de>,
	Casey Schaufler <casey@schaufler-ca.com>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Daniel Mack <daniel@zonque.org>,
	David Drysdale <drysdale@google.com>,
	"David S . Miller" <davem@davemloft.net>,
	Elena Reshetova <elena.reshetova@intel.com>,
	"Eric W . Biederman" <ebiederm@xmission.com>,
	James Morris <james.l.morris@oracle.com>,
	Kees Cook <keescook@chromium.org>, Paul Moore <pmoore@redhat.com>,
	Sargun Dhillon <sargun@sargun.me>,
	"Serge E . Hallyn" <serge@hallyn.com>, Tejun Heo <tj@kernel.org>,
	Will Drewry <wad@chromium.org>,
	"kernel-hardening@lists.openwall.com"
	<kernel-hardening@lists.openwall.com>,
	"linux-api@vger.kernel.org" <linux-api@>
Subject: RE: [RFC v3 00/22] Landlock LSM: Unprivileged sandboxing
Date: Wed, 14 Sep 2016 14:36:40 +0000	[thread overview]
Message-ID: <063D6719AE5E284EB5DD2968C1650D6DB00FC881@AcuExch.aculab.com> (raw)
In-Reply-To: <20160914072415.26021-1-mic@digikod.net>

From: Mickaël Salaün
> Sent: 14 September 2016 08:24
...
> ## Why does seccomp-filter is not enough?
> 
> A seccomp filter can access to raw syscall arguments which means that it is not
> possible to filter according to pointed data as a file path. As demonstrated
> the first version of this patch series, filtering at the syscall level is
> complicated (e.g. need to take care of race conditions). This is mainly because
> the access control checkpoints of the kernel are not at this high-level but
> more underneath, at LSM hooks level. The LSM hooks are designed to handle this
> kind of checks. This series use this approach to leverage the ability of
> unprivileged users to limit themselves.

You cannot validate file path parameters during syscall entry.
It can only be done after the user buffer has been read into kernel memory.
(ie you must only access the buffer once.)

This has nothing to do with where the kernel does any access checks,
and everything to do with the fact that another thread/process can
modify the buffer after you have validated it.

	David


WARNING: multiple messages have this Message-ID (diff)
From: David Laight <David.Laight@ACULAB.COM>
To: "'Mickaël Salaün'" <mic@digikod.net>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>,
	Andy Lutomirski <luto@amacapital.net>,
	Arnd Bergmann <arnd@arndb.de>,
	Casey Schaufler <casey@schaufler-ca.com>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Daniel Mack <daniel@zonque.org>,
	David Drysdale <drysdale@google.com>,
	"David S . Miller" <davem@davemloft.net>,
	Elena Reshetova <elena.reshetova@intel.com>,
	"Eric W . Biederman" <ebiederm@xmission.com>,
	James Morris <james.l.morris@oracle.com>,
	Kees Cook <keescook@chromium.org>, Paul Moore <pmoore@redhat.com>,
	Sargun Dhillon <sargun@sargun.me>,
	"Serge E . Hallyn" <serge@hallyn.com>, Tejun Heo <tj@kernel.org>,
	Will Drewry <wad@chromium.org>,
	"kernel-hardening@lists.openwall.com"
	<kernel-hardening@lists.openwall.com>,
	"linux-api@vger.kernel.org" <linux-api@vger.kernel.org>,
	"linux-security-module@vger.kernel.org"
	<linux-security-module@vger.kernel.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"cgroups@vger.kernel.org" <cgroups@vger.kernel.org>
Subject: [kernel-hardening] RE: [RFC v3 00/22] Landlock LSM: Unprivileged sandboxing
Date: Wed, 14 Sep 2016 14:36:40 +0000	[thread overview]
Message-ID: <063D6719AE5E284EB5DD2968C1650D6DB00FC881@AcuExch.aculab.com> (raw)
In-Reply-To: <20160914072415.26021-1-mic@digikod.net>

From: Mickaël Salaün
> Sent: 14 September 2016 08:24
...
> ## Why does seccomp-filter is not enough?
> 
> A seccomp filter can access to raw syscall arguments which means that it is not
> possible to filter according to pointed data as a file path. As demonstrated
> the first version of this patch series, filtering at the syscall level is
> complicated (e.g. need to take care of race conditions). This is mainly because
> the access control checkpoints of the kernel are not at this high-level but
> more underneath, at LSM hooks level. The LSM hooks are designed to handle this
> kind of checks. This series use this approach to leverage the ability of
> unprivileged users to limit themselves.

You cannot validate file path parameters during syscall entry.
It can only be done after the user buffer has been read into kernel memory.
(ie you must only access the buffer once.)

This has nothing to do with where the kernel does any access checks,
and everything to do with the fact that another thread/process can
modify the buffer after you have validated it.

	David


WARNING: multiple messages have this Message-ID (diff)
From: David Laight <David.Laight@ACULAB.COM>
To: "'Mickaël Salaün'" <mic@digikod.net>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>,
	Andy Lutomirski <luto@amacapital.net>,
	Arnd Bergmann <arnd@arndb.de>,
	Casey Schaufler <casey@schaufler-ca.com>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Daniel Mack <daniel@zonque.org>,
	David Drysdale <drysdale@google.com>,
	"David S . Miller" <davem@davemloft.net>,
	Elena Reshetova <elena.reshetova@intel.com>,
	"Eric W . Biederman" <ebiederm@xmission.com>,
	James Morris <james.l.morris@oracle.com>,
	Kees Cook <keescook@chromium.org>, Paul Moore <pmoore@redhat.com>,
	Sargun Dhillon <sargun@sargun.me>,
	"Serge E . Hallyn" <serge@hallyn.com>, Tejun Heo <tj@kernel.org>,
	Will Drewry <wad@chromium.org>,
	"kernel-hardening@lists.openwall.com"
	<kernel-hardening@lists.openwall.com>,
	"linux-api@vger.kernel.org" <>
Subject: RE: [RFC v3 00/22] Landlock LSM: Unprivileged sandboxing
Date: Wed, 14 Sep 2016 14:36:40 +0000	[thread overview]
Message-ID: <063D6719AE5E284EB5DD2968C1650D6DB00FC881@AcuExch.aculab.com> (raw)
In-Reply-To: <20160914072415.26021-1-mic@digikod.net>

From: Mickaël Salaün
> Sent: 14 September 2016 08:24
...
> ## Why does seccomp-filter is not enough?
> 
> A seccomp filter can access to raw syscall arguments which means that it is not
> possible to filter according to pointed data as a file path. As demonstrated
> the first version of this patch series, filtering at the syscall level is
> complicated (e.g. need to take care of race conditions). This is mainly because
> the access control checkpoints of the kernel are not at this high-level but
> more underneath, at LSM hooks level. The LSM hooks are designed to handle this
> kind of checks. This series use this approach to leverage the ability of
> unprivileged users to limit themselves.

You cannot validate file path parameters during syscall entry.
It can only be done after the user buffer has been read into kernel memory.
(ie you must only access the buffer once.)

This has nothing to do with where the kernel does any access checks,
and everything to do with the fact that another thread/process can
modify the buffer after you have validated it.

	David


  parent reply	other threads:[~2016-09-14 14:39 UTC|newest]

Thread overview: 260+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-14  7:23 [RFC v3 00/22] Landlock LSM: Unprivileged sandboxing Mickaël Salaün
2016-09-14  7:23 ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:23 ` Mickaël Salaün
2016-09-14  7:23 ` [RFC v3 01/22] landlock: Add Kconfig Mickaël Salaün
2016-09-14  7:23   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:23   ` Mickaël Salaün
2016-09-14  7:23 ` [RFC v3 02/22] bpf: Move u64_to_ptr() to BPF headers and inline it Mickaël Salaün
2016-09-14  7:23   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:23   ` Mickaël Salaün
2016-09-14  7:23 ` [RFC v3 03/22] bpf,landlock: Add a new arraymap type to deal with (Landlock) handles Mickaël Salaün
2016-09-14  7:23   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:23   ` Mickaël Salaün
2016-09-14 18:51   ` Alexei Starovoitov
2016-09-14 18:51     ` Alexei Starovoitov
2016-09-14 18:51     ` [kernel-hardening] " Alexei Starovoitov
2016-09-14 18:51     ` Alexei Starovoitov
2016-09-14 23:22     ` Mickaël Salaün
2016-09-14 23:22       ` [kernel-hardening] " Mickaël Salaün
2016-09-14 23:22       ` Mickaël Salaün
2016-09-14 23:28       ` Alexei Starovoitov
2016-09-14 23:28         ` Alexei Starovoitov
2016-09-14 23:28         ` [kernel-hardening] " Alexei Starovoitov
2016-09-14 23:28         ` Alexei Starovoitov
2016-09-15 21:51         ` Mickaël Salaün
2016-09-15 21:51           ` [kernel-hardening] " Mickaël Salaün
2016-09-15 21:51           ` Mickaël Salaün
2016-10-03 23:53   ` Kees Cook
2016-10-03 23:53     ` [kernel-hardening] " Kees Cook
2016-10-03 23:53     ` Kees Cook
2016-10-05 22:02     ` Mickaël Salaün
2016-10-05 22:02       ` [kernel-hardening] " Mickaël Salaün
2016-10-05 22:02       ` Mickaël Salaün
2016-10-05 22:02       ` Mickaël Salaün
2016-09-14  7:23 ` [RFC v3 04/22] bpf: Set register type according to is_valid_access() Mickaël Salaün
2016-09-14  7:23   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:23   ` Mickaël Salaün
2016-10-19 14:54   ` Thomas Graf
2016-10-19 14:54     ` [kernel-hardening] " Thomas Graf
2016-10-19 14:54     ` Thomas Graf
2016-10-19 15:10     ` Daniel Borkmann
2016-10-19 15:10       ` Daniel Borkmann
2016-10-19 15:10       ` [kernel-hardening] " Daniel Borkmann
2016-10-19 15:10       ` Daniel Borkmann
2016-09-14  7:23 ` [RFC v3 05/22] bpf,landlock: Add eBPF program subtype and is_valid_subtype() verifier Mickaël Salaün
2016-09-14  7:23   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:23   ` Mickaël Salaün
2016-10-19 15:01   ` Thomas Graf
2016-10-19 15:01     ` [kernel-hardening] " Thomas Graf
2016-10-19 15:01     ` Thomas Graf
2016-09-14  7:23 ` [RFC v3 06/22] landlock: Add LSM hooks Mickaël Salaün
2016-09-14  7:23   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:23   ` Mickaël Salaün
2016-10-19 15:19   ` Thomas Graf
2016-10-19 15:19     ` [kernel-hardening] " Thomas Graf
2016-10-19 22:42     ` Mickaël Salaün
2016-10-19 22:42       ` [kernel-hardening] " Mickaël Salaün
2016-10-19 22:42       ` Mickaël Salaün
2016-09-14  7:24 ` [RFC v3 07/22] landlock: Handle file comparisons Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-09-14 19:07   ` Jann Horn
2016-09-14 19:07     ` [kernel-hardening] " Jann Horn
2016-09-14 19:07     ` Jann Horn
2016-09-14 22:39     ` Mickaël Salaün
2016-09-14 22:39       ` [kernel-hardening] " Mickaël Salaün
2016-09-14 22:39       ` Mickaël Salaün
2016-09-14 21:06   ` Alexei Starovoitov
2016-09-14 21:06     ` [kernel-hardening] " Alexei Starovoitov
2016-09-14 21:06     ` Alexei Starovoitov
2016-09-14 23:02     ` Mickaël Salaün
2016-09-14 23:02       ` [kernel-hardening] " Mickaël Salaün
2016-09-14 23:02       ` Mickaël Salaün
2016-09-14 23:24       ` Alexei Starovoitov
2016-09-14 23:24         ` [kernel-hardening] " Alexei Starovoitov
2016-09-14 23:24         ` Alexei Starovoitov
2016-09-15 21:25         ` Mickaël Salaün
2016-09-15 21:25           ` [kernel-hardening] " Mickaël Salaün
2016-09-15 21:25           ` Mickaël Salaün
2016-09-20  0:12           ` lsm naming dilemma. " Alexei Starovoitov
2016-09-20  0:12             ` [kernel-hardening] " Alexei Starovoitov
2016-09-20  0:12             ` Alexei Starovoitov
2016-09-20  1:10             ` Sargun Dhillon
2016-09-20  1:10               ` [kernel-hardening] " Sargun Dhillon
2016-09-20  1:10               ` Sargun Dhillon
2016-09-20 16:58               ` Mickaël Salaün
2016-09-20 16:58                 ` [kernel-hardening] " Mickaël Salaün
2016-09-20 16:58                 ` Mickaël Salaün
2016-10-03 23:30   ` Kees Cook
2016-10-03 23:30     ` [kernel-hardening] " Kees Cook
2016-10-03 23:30     ` Kees Cook
2016-09-14  7:24 ` [RFC v3 08/22] seccomp: Fix documentation for struct seccomp_filter Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-09-14  7:24 ` [RFC v3 09/22] seccomp: Move struct seccomp_filter in seccomp.h Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-09-14  7:24 ` [RFC v3 10/22] seccomp: Split put_seccomp_filter() with put_seccomp() Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-09-14  7:24 ` [RFC v3 11/22] seccomp,landlock: Handle Landlock hooks per process hierarchy Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-09-14 18:43   ` Andy Lutomirski
2016-09-14 18:43     ` Andy Lutomirski
2016-09-14 18:43     ` [kernel-hardening] " Andy Lutomirski
2016-09-14 18:43     ` Andy Lutomirski
2016-09-14 18:43     ` Andy Lutomirski
2016-09-14 22:34     ` Mickaël Salaün
2016-09-14 22:34       ` [kernel-hardening] " Mickaël Salaün
2016-09-14 22:34       ` Mickaël Salaün
2016-09-14 22:34       ` Mickaël Salaün
2016-10-03 23:52       ` Kees Cook
2016-10-03 23:52         ` Kees Cook
2016-10-03 23:52         ` [kernel-hardening] " Kees Cook
2016-10-03 23:52         ` Kees Cook
2016-10-03 23:52         ` Kees Cook
2016-10-05 21:05         ` Mickaël Salaün
2016-10-05 21:05           ` [kernel-hardening] " Mickaël Salaün
2016-10-05 21:05           ` Mickaël Salaün
2016-10-05 21:05           ` Mickaël Salaün
2016-09-14  7:24 ` [RFC v3 12/22] bpf: Cosmetic change for bpf_prog_attach() Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-09-14  7:24 ` [RFC v3 13/22] bpf/cgroup: Replace struct bpf_prog with union bpf_object Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-09-14  7:24 ` [RFC v3 14/22] bpf/cgroup: Make cgroup_bpf_update() return an error code Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-09-14 21:16   ` Alexei Starovoitov
2016-09-14 21:16     ` [kernel-hardening] " Alexei Starovoitov
2016-09-14 21:16     ` Alexei Starovoitov
2016-09-14  7:24 ` [RFC v3 15/22] bpf/cgroup: Move capability check Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-09-14  7:24 ` [RFC v3 16/22] bpf/cgroup,landlock: Handle Landlock hooks per cgroup Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-10-03 23:43   ` Kees Cook
2016-10-03 23:43     ` [kernel-hardening] " Kees Cook
2016-10-03 23:43     ` Kees Cook
2016-10-05 20:58     ` Mickaël Salaün
2016-10-05 20:58       ` [kernel-hardening] " Mickaël Salaün
2016-10-05 20:58       ` Mickaël Salaün
2016-10-05 20:58       ` Mickaël Salaün
2016-10-05 21:25       ` Kees Cook
2016-10-05 21:25         ` [kernel-hardening] " Kees Cook
2016-10-05 21:25         ` Kees Cook
2016-09-14  7:24 ` [RFC v3 17/22] cgroup: Add access check for cgroup_get_from_fd() Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-09-14 22:06   ` Mickaël Salaün
2016-09-14 22:06     ` [kernel-hardening] " Mickaël Salaün
2016-09-14 22:06     ` Mickaël Salaün
2016-09-14  7:24 ` [RFC v3 18/22] cgroup,landlock: Add CGRP_NO_NEW_PRIVS to handle unprivileged hooks Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-09-14 18:27   ` Andy Lutomirski
2016-09-14 18:27     ` Andy Lutomirski
2016-09-14 18:27     ` [kernel-hardening] " Andy Lutomirski
2016-09-14 18:27     ` Andy Lutomirski
2016-09-14 18:27     ` Andy Lutomirski
2016-09-14 22:11     ` Mickaël Salaün
2016-09-14 22:11       ` [kernel-hardening] " Mickaël Salaün
2016-09-14 22:11       ` Mickaël Salaün
2016-09-14 22:11       ` Mickaël Salaün
2016-09-15  1:25       ` Andy Lutomirski
2016-09-15  1:25         ` Andy Lutomirski
2016-09-15  1:25         ` [kernel-hardening] " Andy Lutomirski
2016-09-15  1:25         ` Andy Lutomirski
2016-09-15  1:25         ` Andy Lutomirski
2016-09-15  2:19         ` Alexei Starovoitov
2016-09-15  2:19           ` [kernel-hardening] " Alexei Starovoitov
2016-09-15  2:19           ` Alexei Starovoitov
2016-09-15  2:27           ` Andy Lutomirski
2016-09-15  2:27             ` [kernel-hardening] " Andy Lutomirski
2016-09-15  2:27             ` Andy Lutomirski
2016-09-15  2:27             ` Andy Lutomirski
2016-09-15  4:00             ` Alexei Starovoitov
2016-09-15  4:00               ` [kernel-hardening] " Alexei Starovoitov
2016-09-15  4:00               ` Alexei Starovoitov
2016-09-15  4:00               ` Alexei Starovoitov
2016-09-15  4:08               ` Andy Lutomirski
2016-09-15  4:08                 ` [kernel-hardening] " Andy Lutomirski
2016-09-15  4:08                 ` Andy Lutomirski
2016-09-15  4:08                 ` Andy Lutomirski
2016-09-15  4:31                 ` Alexei Starovoitov
2016-09-15  4:31                   ` [kernel-hardening] " Alexei Starovoitov
2016-09-15  4:31                   ` Alexei Starovoitov
2016-09-15  4:31                   ` Alexei Starovoitov
2016-09-15  4:38                   ` Andy Lutomirski
2016-09-15  4:38                     ` [kernel-hardening] " Andy Lutomirski
2016-09-15  4:38                     ` Andy Lutomirski
2016-09-15  4:38                     ` Andy Lutomirski
2016-09-15  4:48                     ` Alexei Starovoitov
2016-09-15  4:48                       ` [kernel-hardening] " Alexei Starovoitov
2016-09-15  4:48                       ` Alexei Starovoitov
2016-09-15  4:48                       ` Alexei Starovoitov
2016-09-15 19:41                       ` Mickaël Salaün
2016-09-15 19:41                         ` [kernel-hardening] " Mickaël Salaün
2016-09-15 19:41                         ` Mickaël Salaün
2016-09-15 19:41                         ` Mickaël Salaün
2016-09-20  4:37                         ` Sargun Dhillon
2016-09-20  4:37                           ` [kernel-hardening] " Sargun Dhillon
2016-09-20  4:37                           ` Sargun Dhillon
2016-09-20 17:02                           ` Mickaël Salaün
2016-09-20 17:02                             ` [kernel-hardening] " Mickaël Salaün
2016-09-20 17:02                             ` Mickaël Salaün
2016-09-20 17:02                             ` Mickaël Salaün
2016-09-15 19:35         ` Mickaël Salaün
2016-09-15 19:35           ` [kernel-hardening] " Mickaël Salaün
2016-09-15 19:35           ` Mickaël Salaün
2016-09-15 19:35           ` Mickaël Salaün
2016-09-14  7:24 ` [RFC v3 19/22] landlock: Add interrupted origin Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-09-14 18:29   ` Andy Lutomirski
2016-09-14 18:29     ` Andy Lutomirski
2016-09-14 18:29     ` [kernel-hardening] " Andy Lutomirski
2016-09-14 18:29     ` Andy Lutomirski
2016-09-14 18:29     ` Andy Lutomirski
2016-09-14 22:14     ` Mickaël Salaün
2016-09-14 22:14       ` [kernel-hardening] " Mickaël Salaün
2016-09-14 22:14       ` Mickaël Salaün
2016-09-14 22:14       ` Mickaël Salaün
2016-09-15  1:19       ` Andy Lutomirski
2016-09-15  1:19         ` Andy Lutomirski
2016-09-15  1:19         ` [kernel-hardening] " Andy Lutomirski
2016-09-15  1:19         ` Andy Lutomirski
2016-09-15  1:19         ` Andy Lutomirski
2016-10-03 23:46         ` Kees Cook
2016-10-03 23:46           ` [kernel-hardening] " Kees Cook
2016-10-03 23:46           ` Kees Cook
2016-10-05 21:01           ` Mickaël Salaün
2016-10-05 21:01             ` [kernel-hardening] " Mickaël Salaün
2016-10-05 21:01             ` Mickaël Salaün
2016-10-05 21:01             ` Mickaël Salaün
2016-09-14  7:24 ` [RFC v3 20/22] landlock: Add update and debug access flags Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-09-14  7:24 ` [RFC v3 21/22] bpf,landlock: Add optional skb pointer in the Landlock context Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-09-14 21:20   ` Alexei Starovoitov
2016-09-14 21:20     ` [kernel-hardening] " Alexei Starovoitov
2016-09-14 21:20     ` Alexei Starovoitov
2016-09-14 22:46     ` Mickaël Salaün
2016-09-14 22:46       ` [kernel-hardening] " Mickaël Salaün
2016-09-14 22:46       ` Mickaël Salaün
2016-09-14  7:24 ` [RFC v3 22/22] samples/landlock: Add sandbox example Mickaël Salaün
2016-09-14  7:24   ` [kernel-hardening] " Mickaël Salaün
2016-09-14  7:24   ` Mickaël Salaün
2016-09-14 21:24   ` Alexei Starovoitov
2016-09-14 21:24     ` [kernel-hardening] " Alexei Starovoitov
2016-09-14 21:24     ` Alexei Starovoitov
2016-09-14 14:36 ` David Laight [this message]
2016-09-14 14:36   ` [RFC v3 00/22] Landlock LSM: Unprivileged sandboxing David Laight
2016-09-14 14:36   ` [kernel-hardening] " David Laight
2016-09-14 14:36   ` David Laight
2016-09-14 14:36   ` David Laight

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