linux-hardening - Re: [PATCH] EISA: Replace all non-returning strlcpy with strscpy

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Message-Id: <169047317160.2400214.17169594909094600573.b4-ty@chromium.org>
Date:   Thu, 27 Jul 2023 08:52:52 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Azeem Shaikh <azeemshaikh38@...il.com>
Cc:     Kees Cook <keescook@...omium.org>, linux-hardening@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH] EISA: Replace all non-returning strlcpy with strscpy


On Thu, 06 Jul 2023 17:58:04 +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().
> No return values were used, so direct replacement is safe.
> 
> [...]

Applied, thanks!

[1/1] EISA: Replace all non-returning strlcpy with strscpy
      https://git.kernel.org/kees/c/f2ccf8d13625

Best regards,
-- 
Kees Cook