linux-kernel - Re: [PATCH v19 07/12] landlock: Support filesystem access-control

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 7 Jul 2020 13:11:58 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Mickaël Salaün <mic@...ikod.net>,
        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

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.
-- 
~Randy