linux-kernel - Re: [PATCH v15 09/10] samples/landlock: Add a sandbox manager example

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Date:   Thu, 26 Mar 2020 16:54:21 -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>,
        Arnd Bergmann <arnd@...db.de>,
        Casey Schaufler <casey@...aufler-ca.com>,
        James Morris <jmorris@...ei.org>, Jann Horn <jann@...jh.net>,
        Jonathan Corbet <corbet@....net>,
        Kees Cook <keescook@...omium.org>,
        Michael Kerrisk <mtk.manpages@...il.com>,
        Mickaël Salaün <mickael.salaun@....gouv.fr>,
        "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 v15 09/10] samples/landlock: Add a sandbox manager example

Hi,

On 3/26/20 1:27 PM, Mickaël Salaün wrote:
> diff --git a/samples/Kconfig b/samples/Kconfig
> index 9d236c346de5..b54408c5bd86 100644
> --- a/samples/Kconfig
> +++ b/samples/Kconfig
> @@ -120,6 +120,13 @@ config SAMPLE_HIDRAW
>  	bool "hidraw sample"
>  	depends on HEADERS_INSTALL
>  
> +config SAMPLE_LANDLOCK
> +	bool "Build Landlock sample code"
> +	select HEADERS_INSTALL

I think that this should be like all of the other users of HEADERS_INSTALL
and depend on that instead of select-ing it.

> +	help
> +	  Build a simple Landlock sandbox manager able to launch a process
> +	  restricted by a user-defined filesystem access-control security policy.
> +
>  config SAMPLE_PIDFD
>  	bool "pidfd sample"
>  	depends on HEADERS_INSTALL

thanks.
-- 
~Randy