linux-kernel - Re: [PATCH v4 0/2] security: add fault injection to LSM hooks

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Message-ID: <CADpXja_NZqMomnHfzRRNE97LwP4WYZY4Z1egeFiCjwSbea-Urg@mail.gmail.com>
Date:   Thu, 19 Nov 2020 00:20:52 +0300
From:   Aleksandr Nogikh <a.nogikh@...il.com>
To:     jmorris@...ei.org
Cc:     "Serge E. Hallyn" <serge@...lyn.com>, akinobu.mita@...il.com,
        Andrey Konovalov <andreyknvl@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Marco Elver <elver@...gle.com>,
        Alexander Potapenko <glider@...gle.com>,
        Kees Cook <keescook@...gle.com>, casey@...aufler-ca.com,
        penguin-kernel@...ove.sakura.ne.jp,
        LKML <linux-kernel@...r.kernel.org>,
        linux-security-module@...r.kernel.org, mortonm@...omium.org,
        Aleksandr Nogikh <nogikh@...gle.com>
Subject: Re: [PATCH v4 0/2] security: add fault injection to LSM hooks

On Wed, 11 Nov 2020 at 13:44, Aleksandr Nogikh <a.nogikh@...il.com> wrote:
>
> From: Aleksandr Nogikh <nogikh@...gle.com>
>
> Fault injection capabilities[Documentation/fault-injection/fault-injection.rst]
> facilitate testing of the stability of the Linux kernel by providing
> means to force a number of kernel interfaces to return error
> codes. This patch series proposes adding such fault injection
> capability into LSM hooks.
>
> The intent is to make it possible to test whether the existing kernel
> code properly handles negative return values of LSM hooks. Syzbot
> [https://github.com/google/syzkaller/blob/master/docs/syzbot.md] will
> automatically do that with the aid of instrumentation tools once these
> changes are merged.
[...]

James, can you please take another look at the series? Are there
enough reviewed-bys now?

--
Best Regards,
Aleksandr