linux-kernel - Re: [PATCH] cpufreq: refactor deprecated strncpy

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Message-Id: <169601307508.3009351.8138166691228989474.b4-ty@chromium.org>
Date:   Fri, 29 Sep 2023 11:44:36 -0700
From:   Kees Cook <keescook@...omium.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Justin Stitt <justinstitt@...gle.com>
Cc:     Kees Cook <keescook@...omium.org>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] cpufreq: refactor deprecated strncpy

On Wed, 13 Sep 2023 00:07:21 +0000, Justin Stitt wrote:
> `strncpy` is deprecated for use on NUL-terminated destination strings [1].
> 
> We should prefer more robust and less ambiguous string interfaces.
> 
> Both `policy->last_governor` and `default_governor` are expected to be
> NUL-terminated which is shown by their heavy usage with other string
> apis like `strcmp`.
> 
> [...]

Applied to for-next/hardening, thanks!

[1/1] cpufreq: refactor deprecated strncpy
      https://git.kernel.org/kees/c/598b1b1c8f35

Take care,

-- 
Kees Cook