From: james.l.morris@oracle.com (James Morris)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v10 0/11] seccomp: add thread sync ability
Date: Tue, 15 Jul 2014 11:53:10 +1000 [thread overview]
Message-ID: <53C48986.5010109@oracle.com> (raw)
In-Reply-To: <CAGXu5jJJsiTxxn5UijkBz7jpWgqg01BS=Zc0WbHXbs0vH_xPMQ@mail.gmail.com>
On 07/15/2014 04:59 AM, Kees Cook wrote:
> Hi James,
>
> Is this series something you would carry in the security-next tree?
> That has traditionally been where seccomp features have landed in the
> past.
>
> -Kees
>
>
> On Fri, Jul 11, 2014 at 10:55 AM, Kees Cook <keescook@chromium.org> wrote:
>> On Fri, Jul 11, 2014 at 9:49 AM, Oleg Nesterov <oleg@redhat.com> wrote:
>>> On 07/10, Kees Cook wrote:
>>>>
>>>> This adds the ability for threads to request seccomp filter
>>>> synchronization across their thread group (at filter attach time).
>>>> For example, for Chrome to make sure graphic driver threads are fully
>>>> confined after seccomp filters have been attached.
>>>>
>>>> To support this, locking on seccomp changes via thread-group-shared
>>>> sighand lock is introduced, along with refactoring of no_new_privs. Races
>>>> with thread creation are handled via delayed duplication of the seccomp
>>>> task struct field and cred_guard_mutex.
>>>>
>>>> This includes a new syscall (instead of adding a new prctl option),
>>>> as suggested by Andy Lutomirski and Michael Kerrisk.
>>>
>>> I do not not see any problems in this version,
>>
>> Awesome! Thank you for all the reviews. :) If Andy and Michael are
>> happy with this too, I think this is in good shape. \o/
>>
>> -Kees
>>
>>>
>>> Reviewed-by: Oleg Nesterov <oleg@redhat.com>
>>>
>>
>>
>>
>> --
>> Kees Cook
>> Chrome OS Security
>
>
>
Yep, certainly.
next prev parent reply other threads:[~2014-07-15 1:53 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-10 18:40 [PATCH v10 0/11] seccomp: add thread sync ability Kees Cook
2014-07-10 18:40 ` [PATCH v10 01/11] seccomp: create internal mode-setting function Kees Cook
2014-07-10 18:40 ` [PATCH v10 02/11] seccomp: extract check/assign mode helpers Kees Cook
2014-07-10 18:40 ` [PATCH v10 03/11] seccomp: split mode setting routines Kees Cook
2014-07-10 18:40 ` [PATCH v10 04/11] seccomp: add "seccomp" syscall Kees Cook
2014-07-10 18:40 ` [PATCH v10 05/11] ARM: add seccomp syscall Kees Cook
2014-07-10 18:40 ` [PATCH v10 06/11] MIPS: " Kees Cook
2014-07-10 18:40 ` [PATCH v10 07/11] sched: move no_new_privs into new atomic flags Kees Cook
2014-07-10 18:40 ` [PATCH v10 08/11] seccomp: split filter prep from check and apply Kees Cook
2014-07-10 18:40 ` [PATCH v10 09/11] seccomp: introduce writer locking Kees Cook
2014-07-10 18:40 ` [PATCH v10 10/11] seccomp: allow mode setting across threads Kees Cook
2014-07-10 18:40 ` [PATCH v10 11/11] seccomp: implement SECCOMP_FILTER_FLAG_TSYNC Kees Cook
2014-07-11 16:49 ` [PATCH v10 0/11] seccomp: add thread sync ability Oleg Nesterov
2014-07-11 17:55 ` Kees Cook
2014-07-14 18:59 ` Kees Cook
2014-07-15 1:53 ` James Morris [this message]
2014-07-17 21:39 ` Andy Lutomirski
2014-07-14 19:04 ` Andy Lutomirski
2014-07-14 20:34 ` Kees Cook
2014-07-16 17:54 ` Kees Cook
2014-07-16 19:45 ` Andy Lutomirski
2014-07-16 21:23 ` Kees Cook
2014-07-16 21:27 ` Andy Lutomirski
2014-07-16 16:44 ` James Morris
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