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Date: Wed, 8 Jul 2020 09:03:46 +0200
From: Mickaël Salaün <mic@...ikod.net>
To: Randy Dunlap <rdunlap@...radead.org>, linux-kernel@...r.kernel.org
Cc: Al Viro <viro@...iv.linux.org.uk>, Andy Lutomirski <luto@...capital.net>,
Anton Ivanov <anton.ivanov@...bridgegreys.com>, Arnd Bergmann
<arnd@...db.de>, Casey Schaufler <casey@...aufler-ca.com>,
James Morris <jmorris@...ei.org>, Jann Horn <jannh@...gle.com>,
Jeff Dike <jdike@...toit.com>, Jonathan Corbet <corbet@....net>,
Kees Cook <keescook@...omium.org>, Michael Kerrisk <mtk.manpages@...il.com>,
Mickaël Salaün <mickael.salaun@....gouv.fr>,
Richard Weinberger <richard@....at>, "Serge E . Hallyn" <serge@...lyn.com>,
Shuah Khan <shuah@...nel.org>,
Vincent Dagonneau <vincent.dagonneau@....gouv.fr>,
kernel-hardening@...ts.openwall.com, linux-api@...r.kernel.org,
linux-arch@...r.kernel.org, linux-doc@...r.kernel.org,
linux-fsdevel@...r.kernel.org, linux-kselftest@...r.kernel.org,
linux-security-module@...r.kernel.org, x86@...nel.org
Subject: Re: [PATCH v19 07/12] landlock: Support filesystem access-control
On 07/07/2020 22:11, Randy Dunlap wrote:
> Hi--
>
> On 7/7/20 11:09 AM, Mickaël Salaün wrote:
>> ---
>> arch/Kconfig | 7 +
>> arch/um/Kconfig | 1 +
>> include/uapi/linux/landlock.h | 78 +++++
>> security/landlock/Kconfig | 2 +-
>> security/landlock/Makefile | 2 +-
>> security/landlock/fs.c | 609 ++++++++++++++++++++++++++++++++++
>> security/landlock/fs.h | 60 ++++
>> security/landlock/setup.c | 7 +
>> security/landlock/setup.h | 2 +
>> 9 files changed, 766 insertions(+), 2 deletions(-)
>> create mode 100644 include/uapi/linux/landlock.h
>> create mode 100644 security/landlock/fs.c
>> create mode 100644 security/landlock/fs.h
>>
>> diff --git a/arch/Kconfig b/arch/Kconfig
>> index 8cc35dc556c7..483b7476ac69 100644
>> --- a/arch/Kconfig
>> +++ b/arch/Kconfig
>> @@ -845,6 +845,13 @@ config COMPAT_32BIT_TIME
>> config ARCH_NO_PREEMPT
>> bool
>>
>> +config ARCH_EPHEMERAL_STATES
>> + def_bool n
>> + help
>> + An arch should select this symbol if it do not keep an internal kernel
>
> it does not
>
>> + state for kernel objects such as inodes, but instead rely on something
>
> instead relies on
>
>> + else (e.g. the host kernel for an UML kernel).
>> +
>> config ARCH_SUPPORTS_RT
>> bool
>>
>
> thanks.
>
Thanks Randy!
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