linux-kernel - Re: [PATCH v1 0/2] Add destructor hook to LSM modules

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Message-ID: <CAHC9VhSzppHevG_Td+hKU4KRSDgV_NYf2RSeKA06PR-rD+dJLw@mail.gmail.com>
Date:   Fri, 10 Mar 2023 17:33:41 -0500
From:   Paul Moore <paul@...l-moore.com>
To:     Mirsad Goran Todorovac <mirsad.goran.todorovac@....hr>
Cc:     linux-kernel@...r.kernel.org, linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Thomas Weißschuh <linux@...ssschuh.net>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        Casey Schaufler <casey@...aufler-ca.com>,
        Christian Göttsche <cgzones@...glemail.com>,
        Mickaël Salaün <mic@...ikod.net>,
        Frederick Lawler <fred@...udflare.com>
Subject: Re: [PATCH v1 0/2] Add destructor hook to LSM modules

On Fri, Mar 10, 2023 at 2:26 PM Mirsad Goran Todorovac
<mirsad.goran.todorovac@....hr> wrote:
>
> LSM security/integrity/iint.c had the case of kmem_cache_create() w/o a proper
> kmem_cache_destroy() destructor.
>
> Introducing the release() hook would enable LSMs to release allocated resources
> on exit, and in proper order, rather than dying all together with kernel shutdown
> in an undefined order.
>
> Thanks,
>         Mirsad
>
> ---
>  include/linux/lsm_hooks.h | 1 +
>  security/integrity/iint.c | 7 +++++++
>  2 files changed, 8 insertions(+)

I only see the 1/2 patch, did you send the 2/2 patch to the LSM list?
If not, you need to do that.

-- 
paul-moore.com