linux-kernel - Re: [PATCH v4] kobject: Replace strlcpy with strscpy

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Message-Id: <169475587548.4081176.2268827529789172345.b4-ty@chromium.org>
Date:   Thu, 14 Sep 2023 22:31:16 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Azeem Shaikh <azeemshaikh38@...il.com>
Cc:     Kees Cook <keescook@...omium.org>, linux-hardening@...r.kernel.org,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] kobject: Replace strlcpy with strscpy

On Thu, 31 Aug 2023 14:01:04 +0000, Azeem Shaikh wrote:
> strlcpy() reads the entire source buffer first.
> This read may exceed the destination size limit.
> This is both inefficient and can lead to linear read
> overflows if a source string is not NUL-terminated [1].
> In an effort to remove strlcpy() completely [2], replace
> strlcpy() here with strscpy().
> 
> [...]

Applied to for-next/hardening, thanks!

[1/1] kobject: Replace strlcpy with strscpy
      https://git.kernel.org/kees/c/68a39dfd6f94

Take care,

-- 
Kees Cook