linux-hardening - Re: [PATCH -next] eeprom: at25: Replace strncpy() with strscpy()

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Date:   Wed, 26 Jan 2022 14:48:39 -0500
From:   Ralph Siemsen <ralph.siemsen@...aro.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Arnd Bergmann <arnd@...db.de>,
        Jiri Prchal <jiri.prchal@...ignal.cz>,
        Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH -next] eeprom: at25: Replace strncpy() with strscpy()

Hi Kees,

On Tue, Jan 18, 2022 at 10:20:47AM -0800, Kees Cook wrote:
>Use strscpy() instead of strncpy(), since its use has been deprecated[1].
>
>[1] 
>https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings

Along with your other fix to restore the missing kzalloc(), I tested 
this change on 32-bit arm system, and it worked as expected.

Tested-by: Ralph Siemsen <ralph.siemsen@...aro.org>

Cheers,
-Ralph