linux-kernel - Re: [PATCH v2 0/5] params: harden string ops and allocatio ops

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Message-ID: <202310020957.022F9047F0@keescook>
Date:   Mon, 2 Oct 2023 09:57:59 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     linux-modules@...r.kernel.org, linux-kernel@...r.kernel.org,
        Luis Chamberlain <mcgrof@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH v2 0/5] params: harden string ops and allocatio ops

On Mon, Oct 02, 2023 at 03:48:51PM +0300, Andy Shevchenko wrote:
> A couple of patches are for get the string ops, used in the module,
> slightly harden. On top a few cleanups.
> 
> Since the main part is rather hardening, I think the Kees' tree is
> the best fit for the series, but I'm open for another option(s).
> 
> Changelog v2:
> - dropped the s*printf() --> sysfs_emit() conversion as it revealed
>   an issue, i.e. reuse getters with non-page-aligned pointer, which
>   would be addressed separately
> - added cover letter and clarified the possible route for the series
>   (Luis)
> 
> Andy Shevchenko (5):
>   params: Introduce the param_unknown_fn type
>   params: Do not go over the limit when getting the string length
>   params: Use size_add() for kmalloc()
>   params: Sort headers
>   params: Fix multi-line comment style

Seems like a nice bit of clean-up.

Reviewed-by: Kees Cook <keescook@...omium.org>

-- 
Kees Cook