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From: Jann Horn via Containers <containers@lists.linux-foundation.org>
To: Hubertus Franke <frankeh@us.ibm.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>,
	Giuseppe Scrivano <gscrivan@redhat.com>,
	Will Drewry <wad@chromium.org>, Kees Cook <keescook@chromium.org>,
	YiFei Zhu <yifeifz2@illinois.edu>,
	Linux Containers <containers@lists.linux-foundation.org>,
	Tobin Feldman-Fitzthum <tobin@ibm.com>,
	Dimitrios Skarlatos <dskarlat@cs.cmu.edu>,
	kernel list <linux-kernel@vger.kernel.org>,
	Valentin Rothberg <vrothber@redhat.com>,
	Jack Chen <jianyan2@illinois.edu>,
	Josep Torrellas <torrella@illinois.edu>,
	bpf <bpf@vger.kernel.org>, Andy Lutomirski <luto@amacapital.net>,
	Tianyin Xu <tyxu@illinois.edu>,
	YiFei Zhu <zhuyifei1999@gmail.com>
Subject: Re: [RFC PATCH seccomp 0/2] seccomp: Add bitmap cache of arg-independent filter results that allow syscalls
Date: Mon, 21 Sep 2020 21:45:23 +0200	[thread overview]
Message-ID: <CAG48ez3+fAjOsktPFmatFPx9cVCvvguQQT5UYbBS6zRZ0RK9WQ@mail.gmail.com> (raw)
In-Reply-To: <OF8837FC1A.5C0D4D64-ON852585EA.006B677F-852585EA.006BA663@notes.na.collabserv.com>

On Mon, Sep 21, 2020 at 9:35 PM Hubertus Franke <frankeh@us.ibm.com> wrote:
> I suggest we first bring it down to the minimal features we what and successively build the functions as these ideas evolve.
> We asked YiFei to prepare a minimal set that brings home the basic features. Might not be 100% optimal but having the hooks, the basic cache in place and getting a good benefit should be a good starting point
> to get this integrated into a linux kernel and then enable a larger experimentation.
> Does that make sense to approach it from that point ?

Sure. As I said, I don't think that the procfs part is a blocker - if
YiFei doesn't want to implement it now, I don't think it's necessary.
(But it would make it possible to write more precise tests.)

By the way: Please don't top-post on mailing lists - instead, quote
specific parts of a message and reply below those quotes. Also, don't
send HTML mail to kernel mailing lists, because they will reject it.
_______________________________________________
Containers mailing list
Containers@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/containers

WARNING: multiple messages have this Message-ID (diff)
From: Jann Horn <jannh@google.com>
To: Hubertus Franke <frankeh@us.ibm.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>, bpf <bpf@vger.kernel.org>,
	Linux Containers <containers@lists.linux-foundation.org>,
	Aleksa Sarai <cyphar@cyphar.com>,
	Dimitrios Skarlatos <dskarlat@cs.cmu.edu>,
	Giuseppe Scrivano <gscrivan@redhat.com>,
	Jack Chen <jianyan2@illinois.edu>,
	Kees Cook <keescook@chromium.org>,
	kernel list <linux-kernel@vger.kernel.org>,
	Andy Lutomirski <luto@amacapital.net>,
	Tobin Feldman-Fitzthum <tobin@ibm.com>,
	Josep Torrellas <torrella@illinois.edu>,
	Tianyin Xu <tyxu@illinois.edu>,
	Valentin Rothberg <vrothber@redhat.com>,
	Will Drewry <wad@chromium.org>, YiFei Zhu <yifeifz2@illinois.edu>,
	YiFei Zhu <zhuyifei1999@gmail.com>
Subject: Re: [RFC PATCH seccomp 0/2] seccomp: Add bitmap cache of arg-independent filter results that allow syscalls
Date: Mon, 21 Sep 2020 21:45:23 +0200	[thread overview]
Message-ID: <CAG48ez3+fAjOsktPFmatFPx9cVCvvguQQT5UYbBS6zRZ0RK9WQ@mail.gmail.com> (raw)
In-Reply-To: <OF8837FC1A.5C0D4D64-ON852585EA.006B677F-852585EA.006BA663@notes.na.collabserv.com>

On Mon, Sep 21, 2020 at 9:35 PM Hubertus Franke <frankeh@us.ibm.com> wrote:
> I suggest we first bring it down to the minimal features we what and successively build the functions as these ideas evolve.
> We asked YiFei to prepare a minimal set that brings home the basic features. Might not be 100% optimal but having the hooks, the basic cache in place and getting a good benefit should be a good starting point
> to get this integrated into a linux kernel and then enable a larger experimentation.
> Does that make sense to approach it from that point ?

Sure. As I said, I don't think that the procfs part is a blocker - if
YiFei doesn't want to implement it now, I don't think it's necessary.
(But it would make it possible to write more precise tests.)

By the way: Please don't top-post on mailing lists - instead, quote
specific parts of a message and reply below those quotes. Also, don't
send HTML mail to kernel mailing lists, because they will reject it.

  reply	other threads:[~2020-09-21 19:45 UTC|newest]

Thread overview: 302+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-21  5:35 [RFC PATCH seccomp 0/2] seccomp: Add bitmap cache of arg-independent filter results that allow syscalls YiFei Zhu
2020-09-21  5:35 ` YiFei Zhu
2020-09-21  5:35 ` [RFC PATCH seccomp 1/2] seccomp/cache: Add "emulator" to check if filter is arg-dependent YiFei Zhu
2020-09-21  5:35   ` YiFei Zhu
2020-09-21 17:47   ` Jann Horn via Containers
2020-09-21 17:47     ` Jann Horn
2020-09-21 18:38     ` Jann Horn via Containers
2020-09-21 18:38       ` Jann Horn
2020-09-21 23:44     ` YiFei Zhu
2020-09-21 23:44       ` YiFei Zhu
2020-09-22  0:25       ` Jann Horn via Containers
2020-09-22  0:25         ` Jann Horn
2020-09-22  0:47         ` YiFei Zhu
2020-09-22  0:47           ` YiFei Zhu
2020-09-21  5:35 ` [RFC PATCH seccomp 2/2] seccomp/cache: Cache filter results that allow syscalls YiFei Zhu
2020-09-21  5:35   ` YiFei Zhu
2020-09-21 18:08   ` Jann Horn via Containers
2020-09-21 18:08     ` Jann Horn
2020-09-21 22:50     ` YiFei Zhu
2020-09-21 22:50       ` YiFei Zhu
2020-09-21 22:57       ` Jann Horn via Containers
2020-09-21 22:57         ` Jann Horn
2020-09-21 23:08         ` YiFei Zhu
2020-09-21 23:08           ` YiFei Zhu
2020-09-25  0:01   ` [PATCH v2 seccomp 2/6] asm/syscall.h: Add syscall_arches[] array Kees Cook
2020-09-25  0:01     ` Kees Cook
2020-09-25  0:15     ` Jann Horn via Containers
2020-09-25  0:15       ` Jann Horn
2020-09-25  0:18       ` Al Viro
2020-09-25  0:18         ` Al Viro
2020-09-25  0:24         ` Jann Horn via Containers
2020-09-25  0:24           ` Jann Horn
2020-09-25  1:27     ` YiFei Zhu
2020-09-25  1:27       ` YiFei Zhu
2020-09-25  3:09       ` Kees Cook
2020-09-25  3:09         ` Kees Cook
2020-09-25  3:28         ` YiFei Zhu
2020-09-25  3:28           ` YiFei Zhu
2020-09-25 16:39           ` YiFei Zhu
2020-09-25 16:39             ` YiFei Zhu
2020-09-21  5:48 ` [RFC PATCH seccomp 0/2] seccomp: Add bitmap cache of arg-independent filter results that allow syscalls Sargun Dhillon
2020-09-21  5:48   ` Sargun Dhillon
2020-09-21  7:13   ` YiFei Zhu
2020-09-21  7:13     ` YiFei Zhu
2020-09-21  8:30 ` Christian Brauner
2020-09-21  8:30   ` Christian Brauner
2020-09-21  8:44   ` YiFei Zhu
2020-09-21  8:44     ` YiFei Zhu
2020-09-21 13:51 ` Tycho Andersen
2020-09-21 13:51   ` Tycho Andersen
2020-09-21 15:27   ` YiFei Zhu
2020-09-21 15:27     ` YiFei Zhu
2020-09-21 16:39     ` Tycho Andersen
2020-09-21 16:39       ` Tycho Andersen
2020-09-21 22:57       ` YiFei Zhu
2020-09-21 22:57         ` YiFei Zhu
2020-09-21 19:16 ` Jann Horn via Containers
2020-09-21 19:16   ` Jann Horn
2020-09-21 19:35   ` Hubertus Franke
2020-09-21 19:45     ` Jann Horn via Containers [this message]
2020-09-21 19:45       ` Jann Horn
2020-09-23 19:26 ` Kees Cook
2020-09-23 19:26   ` Kees Cook
2020-09-23 22:54   ` YiFei Zhu
2020-09-23 22:54     ` YiFei Zhu
2020-09-24  6:52     ` Kees Cook
2020-09-24  6:52       ` Kees Cook
2020-09-24 12:06 ` [PATCH seccomp 0/6] " YiFei Zhu
2020-09-24 12:06   ` YiFei Zhu
2020-09-24 12:06   ` [PATCH seccomp 1/6] seccomp: Move config option SECCOMP to arch/Kconfig YiFei Zhu
2020-09-24 12:06     ` YiFei Zhu
2020-09-24 12:06     ` YiFei Zhu
2020-09-24 12:06     ` YiFei Zhu
2020-09-24 12:06   ` [PATCH seccomp 2/6] asm/syscall.h: Add syscall_arches[] array YiFei Zhu
2020-09-24 12:06     ` YiFei Zhu
2020-09-24 12:06   ` [PATCH seccomp 3/6] seccomp/cache: Add "emulator" to check if filter is arg-dependent YiFei Zhu
2020-09-24 12:06     ` YiFei Zhu
2020-09-24 12:06   ` [PATCH seccomp 4/6] seccomp/cache: Lookup syscall allowlist for fast path YiFei Zhu
2020-09-24 12:06     ` YiFei Zhu
2020-09-24 12:06   ` [PATCH seccomp 5/6] selftests/seccomp: Compare bitmap vs filter overhead YiFei Zhu
2020-09-24 12:06     ` YiFei Zhu
2020-09-24 12:06   ` [PATCH seccomp 6/6] seccomp/cache: Report cache data through /proc/pid/seccomp_cache YiFei Zhu
2020-09-24 12:06     ` YiFei Zhu
2020-09-24 12:44   ` [PATCH v2 seccomp 0/6] seccomp: Add bitmap cache of arg-independent filter results that allow syscalls YiFei Zhu
2020-09-24 12:44     ` YiFei Zhu
2020-09-24 12:44     ` [PATCH v2 seccomp 1/6] seccomp: Move config option SECCOMP to arch/Kconfig YiFei Zhu
2020-09-24 12:44       ` YiFei Zhu
2020-09-24 19:11       ` Kees Cook
2020-09-24 19:11         ` Kees Cook
2020-10-27  9:52       ` Geert Uytterhoeven
2020-10-27  9:52         ` Geert Uytterhoeven
2020-10-27 19:08         ` YiFei Zhu
2020-10-27 19:08           ` YiFei Zhu
2020-10-28  0:06         ` Kees Cook
2020-10-28  0:06           ` Kees Cook
2020-10-28  8:18           ` Geert Uytterhoeven
2020-10-28  8:18             ` Geert Uytterhoeven
2020-10-28  9:34             ` Jann Horn via Containers
2020-10-28  9:34               ` Jann Horn
2020-09-24 12:44     ` [PATCH v2 seccomp 2/6] asm/syscall.h: Add syscall_arches[] array YiFei Zhu
2020-09-24 12:44       ` YiFei Zhu
2020-09-24 13:47       ` David Laight
2020-09-24 13:47         ` David Laight
2020-09-24 14:16         ` YiFei Zhu
2020-09-24 14:16           ` YiFei Zhu
2020-09-24 14:20           ` David Laight
2020-09-24 14:20             ` David Laight
2020-09-24 14:37             ` YiFei Zhu
2020-09-24 14:37               ` YiFei Zhu
2020-09-24 16:02               ` YiFei Zhu
2020-09-24 16:02                 ` YiFei Zhu
2020-09-24 12:44     ` [PATCH v2 seccomp 3/6] seccomp/cache: Add "emulator" to check if filter is arg-dependent YiFei Zhu
2020-09-24 12:44       ` YiFei Zhu
2020-09-24 23:25       ` Kees Cook
2020-09-24 23:25         ` Kees Cook
2020-09-25  3:04         ` YiFei Zhu
2020-09-25  3:04           ` YiFei Zhu
2020-09-25 16:45           ` YiFei Zhu
2020-09-25 16:45             ` YiFei Zhu
2020-09-25 19:42             ` Kees Cook
2020-09-25 19:42               ` Kees Cook
2020-09-25 19:51               ` Andy Lutomirski
2020-09-25 19:51                 ` Andy Lutomirski
2020-09-25 20:37                 ` Kees Cook
2020-09-25 20:37                   ` Kees Cook
2020-09-25 21:07                   ` Andy Lutomirski
2020-09-25 21:07                     ` Andy Lutomirski
2020-09-25 23:49                     ` Kees Cook
2020-09-25 23:49                       ` Kees Cook
2020-09-26  0:34                       ` Andy Lutomirski
2020-09-26  0:34                         ` Andy Lutomirski
2020-09-26  1:23                     ` YiFei Zhu
2020-09-26  1:23                       ` YiFei Zhu
2020-09-26  2:47                       ` Andy Lutomirski
2020-09-26  2:47                         ` Andy Lutomirski
2020-09-26  4:35                         ` Kees Cook
2020-09-26  4:35                           ` Kees Cook
2020-09-24 12:44     ` [PATCH v2 seccomp 4/6] seccomp/cache: Lookup syscall allowlist for fast path YiFei Zhu
2020-09-24 12:44       ` YiFei Zhu
2020-09-24 23:46       ` Kees Cook
2020-09-24 23:46         ` Kees Cook
2020-09-25  1:55         ` YiFei Zhu
2020-09-25  1:55           ` YiFei Zhu
2020-09-24 12:44     ` [PATCH v2 seccomp 5/6] selftests/seccomp: Compare bitmap vs filter overhead YiFei Zhu
2020-09-24 12:44       ` YiFei Zhu
2020-09-24 23:47       ` Kees Cook
2020-09-24 23:47         ` Kees Cook
2020-09-25  1:35         ` YiFei Zhu
2020-09-25  1:35           ` YiFei Zhu
2020-09-24 12:44     ` [PATCH v2 seccomp 6/6] seccomp/cache: Report cache data through /proc/pid/seccomp_cache YiFei Zhu
2020-09-24 12:44       ` YiFei Zhu
2020-09-24 23:56       ` Kees Cook
2020-09-24 23:56         ` Kees Cook
2020-09-25  3:11         ` YiFei Zhu
2020-09-25  3:11           ` YiFei Zhu
2020-09-25  3:26           ` Kees Cook
2020-09-25  3:26             ` Kees Cook
2020-09-30 15:19 ` [PATCH v3 seccomp 0/5] seccomp: Add bitmap cache of constant allow filter results YiFei Zhu
2020-09-30 15:19   ` YiFei Zhu
2020-09-30 15:19   ` [PATCH v3 seccomp 1/5] x86: Enable seccomp architecture tracking YiFei Zhu
2020-09-30 15:19     ` YiFei Zhu
2020-09-30 21:21     ` Kees Cook
2020-09-30 21:21       ` Kees Cook
2020-09-30 21:33       ` Jann Horn via Containers
2020-09-30 21:33         ` Jann Horn
2020-09-30 22:53         ` Kees Cook
2020-09-30 22:53           ` Kees Cook
2020-09-30 23:15           ` Jann Horn via Containers
2020-09-30 23:15             ` Jann Horn
2020-09-30 15:19   ` [PATCH v3 seccomp 2/5] seccomp/cache: Add "emulator" to check if filter is constant allow YiFei Zhu
2020-09-30 15:19     ` YiFei Zhu
2020-09-30 22:24     ` Jann Horn via Containers
2020-09-30 22:24       ` Jann Horn
2020-09-30 22:49       ` Kees Cook
2020-09-30 22:49         ` Kees Cook
2020-10-01 11:28       ` YiFei Zhu
2020-10-01 11:28         ` YiFei Zhu
2020-10-01 21:08         ` Jann Horn via Containers
2020-10-01 21:08           ` Jann Horn
2020-09-30 22:40     ` Kees Cook
2020-09-30 22:40       ` Kees Cook
2020-10-01 11:52       ` YiFei Zhu
2020-10-01 11:52         ` YiFei Zhu
2020-10-01 21:05         ` Kees Cook
2020-10-01 21:05           ` Kees Cook
2020-10-02 11:08           ` YiFei Zhu
2020-10-02 11:08             ` YiFei Zhu
2020-10-09  4:47     ` YiFei Zhu
2020-10-09  4:47       ` YiFei Zhu
2020-10-09  5:41       ` Kees Cook
2020-10-09  5:41         ` Kees Cook
2020-09-30 15:19   ` [PATCH v3 seccomp 3/5] seccomp/cache: Lookup syscall allowlist for fast path YiFei Zhu
2020-09-30 15:19     ` YiFei Zhu
2020-09-30 21:32     ` Kees Cook
2020-09-30 21:32       ` Kees Cook
2020-10-09  0:17       ` YiFei Zhu
2020-10-09  0:17         ` YiFei Zhu
2020-10-09  5:35         ` Kees Cook
2020-10-09  5:35           ` Kees Cook
2020-09-30 15:19   ` [PATCH v3 seccomp 4/5] selftests/seccomp: Compare bitmap vs filter overhead YiFei Zhu
2020-09-30 15:19     ` YiFei Zhu
2020-09-30 15:19   ` [PATCH v3 seccomp 5/5] seccomp/cache: Report cache data through /proc/pid/seccomp_cache YiFei Zhu
2020-09-30 15:19     ` YiFei Zhu
2020-09-30 22:00     ` Jann Horn via Containers
2020-09-30 22:00       ` Jann Horn
2020-09-30 23:12       ` Kees Cook
2020-09-30 23:12         ` Kees Cook
2020-10-01 12:06       ` YiFei Zhu
2020-10-01 12:06         ` YiFei Zhu
2020-10-01 16:05         ` Jann Horn via Containers
2020-10-01 16:05           ` Jann Horn
2020-10-01 16:18           ` YiFei Zhu
2020-10-01 16:18             ` YiFei Zhu
2020-09-30 22:59     ` Kees Cook
2020-09-30 22:59       ` Kees Cook
2020-09-30 23:08       ` Jann Horn via Containers
2020-09-30 23:08         ` Jann Horn
2020-09-30 23:21         ` Kees Cook
2020-09-30 23:21           ` Kees Cook
2020-10-09 17:14   ` [PATCH v4 seccomp 0/5] seccomp: Add bitmap cache of constant allow filter results YiFei Zhu
2020-10-09 17:14     ` YiFei Zhu
2020-10-09 17:14     ` [PATCH v4 seccomp 1/5] seccomp/cache: Lookup syscall allowlist bitmap for fast path YiFei Zhu
2020-10-09 17:14       ` YiFei Zhu
2020-10-09 21:30       ` Jann Horn via Containers
2020-10-09 21:30         ` Jann Horn
2020-10-09 23:18       ` Kees Cook
2020-10-09 23:18         ` Kees Cook
2020-10-09 17:14     ` [PATCH v4 seccomp 2/5] seccomp/cache: Add "emulator" to check if filter is constant allow YiFei Zhu
2020-10-09 17:14       ` YiFei Zhu
2020-10-09 21:30       ` Jann Horn via Containers
2020-10-09 21:30         ` Jann Horn
2020-10-09 22:47         ` Kees Cook
2020-10-09 22:47           ` Kees Cook
2020-10-09 17:14     ` [PATCH v4 seccomp 3/5] x86: Enable seccomp architecture tracking YiFei Zhu
2020-10-09 17:14       ` YiFei Zhu
2020-10-09 17:25       ` Andy Lutomirski
2020-10-09 17:25         ` Andy Lutomirski
2020-10-09 18:32         ` YiFei Zhu
2020-10-09 18:32           ` YiFei Zhu
2020-10-09 20:59           ` Andy Lutomirski
2020-10-09 20:59             ` Andy Lutomirski
2020-10-09 17:14     ` [PATCH v4 seccomp 4/5] selftests/seccomp: Compare bitmap vs filter overhead YiFei Zhu
2020-10-09 17:14       ` YiFei Zhu
2020-10-09 17:14     ` [PATCH v4 seccomp 5/5] seccomp/cache: Report cache data through /proc/pid/seccomp_cache YiFei Zhu
2020-10-09 17:14       ` YiFei Zhu
2020-10-09 21:24       ` kernel test robot
2020-10-09 21:24         ` kernel test robot
2020-10-09 21:24         ` kernel test robot
2020-10-09 21:45       ` Jann Horn via Containers
2020-10-09 21:45         ` Jann Horn
2020-10-09 23:14       ` Kees Cook
2020-10-09 23:14         ` Kees Cook
2020-10-10 13:26         ` YiFei Zhu
2020-10-10 13:26           ` YiFei Zhu
2020-10-12 22:57           ` Kees Cook
2020-10-12 22:57             ` Kees Cook
2020-10-13  0:31             ` YiFei Zhu
2020-10-13  0:31               ` YiFei Zhu
2020-10-22 20:52               ` YiFei Zhu
2020-10-22 20:52                 ` YiFei Zhu
2020-10-22 22:32                 ` Kees Cook
2020-10-22 22:32                   ` Kees Cook
2020-10-22 23:40                   ` YiFei Zhu
2020-10-22 23:40                     ` YiFei Zhu
2020-10-24  2:51                     ` Kees Cook
2020-10-24  2:51                       ` Kees Cook
2020-10-30 12:18                       ` YiFei Zhu
2020-10-30 12:18                         ` YiFei Zhu
2020-11-03 13:00                         ` YiFei Zhu
2020-11-03 13:00                           ` YiFei Zhu
2020-11-04  0:29                           ` Kees Cook
2020-11-04  0:29                             ` Kees Cook
2020-11-04 11:40                             ` YiFei Zhu
2020-11-04 11:40                               ` YiFei Zhu
2020-11-04 18:57                               ` Kees Cook
2020-11-04 18:57                                 ` Kees Cook
2020-10-11 15:47     ` [PATCH v5 seccomp 0/5]seccomp: Add bitmap cache of constant allow filter results YiFei Zhu
2020-10-11 15:47       ` YiFei Zhu
2020-10-11 15:47       ` [PATCH v5 seccomp 1/5] seccomp/cache: Lookup syscall allowlist bitmap for fast path YiFei Zhu
2020-10-11 15:47         ` YiFei Zhu
2020-10-12  6:42         ` Jann Horn via Containers
2020-10-12  6:42           ` Jann Horn
2020-10-11 15:47       ` [PATCH v5 seccomp 2/5] seccomp/cache: Add "emulator" to check if filter is constant allow YiFei Zhu
2020-10-11 15:47         ` YiFei Zhu
2020-10-12  6:46         ` Jann Horn via Containers
2020-10-12  6:46           ` Jann Horn
2020-10-11 15:47       ` [PATCH v5 seccomp 3/5] x86: Enable seccomp architecture tracking YiFei Zhu
2020-10-11 15:47         ` YiFei Zhu
2020-10-11 15:47       ` [PATCH v5 seccomp 4/5] selftests/seccomp: Compare bitmap vs filter overhead YiFei Zhu
2020-10-11 15:47         ` YiFei Zhu
2020-10-11 15:47       ` [PATCH v5 seccomp 5/5] seccomp/cache: Report cache data through /proc/pid/seccomp_cache YiFei Zhu
2020-10-11 15:47         ` YiFei Zhu
2020-10-12  6:49         ` Jann Horn via Containers
2020-10-12  6:49           ` Jann Horn
2020-12-17 12:14         ` Geert Uytterhoeven
2020-12-17 12:14           ` Geert Uytterhoeven
2020-12-17 18:34           ` YiFei Zhu
2020-12-17 18:34             ` YiFei Zhu
2020-12-18 12:35             ` Geert Uytterhoeven
2020-12-18 12:35               ` Geert Uytterhoeven
2020-10-27 19:14       ` [PATCH v5 seccomp 0/5]seccomp: Add bitmap cache of constant allow filter results Kees Cook
2020-10-27 19:14         ` Kees Cook

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