linux-kernel - Re: [PATCH v26 00/12] Landlock LSM

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Message-ID: <92df89c9-3442-0761-224a-ab53bb917850@digikod.net>
Date:   Thu, 14 Jan 2021 20:03:47 +0100
From:   Mickaël Salaün <mic@...ikod.net>
To:     Jann Horn <jannh@...gle.com>
Cc:     James Morris <jmorris@...ei.org>,
        "Serge E . Hallyn" <serge@...lyn.com>,
        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>,
        Jeff Dike <jdike@...toit.com>,
        Jonathan Corbet <corbet@....net>,
        Kees Cook <keescook@...omium.org>,
        Michael Kerrisk <mtk.manpages@...il.com>,
        Richard Weinberger <richard@....at>,
        Shuah Khan <shuah@...nel.org>,
        Vincent Dagonneau <vincent.dagonneau@....gouv.fr>,
        Kernel Hardening <kernel-hardening@...ts.openwall.com>,
        Linux API <linux-api@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        kernel list <linux-kernel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        linux-security-module <linux-security-module@...r.kernel.org>,
        the arch/x86 maintainers <x86@...nel.org>
Subject: Re: [PATCH v26 00/12] Landlock LSM


On 14/01/2021 04:22, Jann Horn wrote:
> On Wed, Dec 9, 2020 at 8:28 PM Mickaël Salaün <mic@...ikod.net> wrote:
>> This patch series adds new built-time checks, a new test, renames some
>> variables and functions to improve readability, and shift syscall
>> numbers to align with -next.
> 
> Sorry, I've finally gotten around to looking at v26 - I hadn't
> actually looked at v25 either yet. I think there's still one remaining
> small issue in the filesystem access logic, but I think that's very
> simple to fix, as long as we agree on what the expected semantics are.
> Otherwise it basically looks good, apart from some typos.
> 
> I think v27 will be the final version of this series. :) (And I'll try
> to actually look at that version much faster - I realize that waiting
> for code reviews this long sucks.)
> 

I'm improving the tests, especially with bind mounts and overlayfs
tests. The v27 will also contains a better documentation to clarify the
semantic and explain how these mounts are handled. Thanks!