linux-hardening - Re: [PATCH v2] binfmt: replace deprecated strncpy

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Date: Thu, 21 Mar 2024 20:23:07 -0700
From: Kees Cook <keescook@...omium.org>
To: Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>,
	Jan Kara <jack@...e.cz>,
	Eric Biederman <ebiederm@...ssion.com>,
	Justin Stitt <justinstitt@...gle.com>
Cc: Kees Cook <keescook@...omium.org>,
	linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org
Subject: Re: [PATCH v2] binfmt: replace deprecated strncpy

On Thu, 21 Mar 2024 20:04:08 +0000, Justin Stitt wrote:
> strncpy() is deprecated for use on NUL-terminated destination strings
> [1] and as such we should prefer more robust and less ambiguous string
> interfaces.
> 
> There is a _nearly_ identical implementation of fill_psinfo present in
> binfmt_elf.c -- except that one uses get_task_comm over strncpy(). Let's
> mirror that in binfmt_elf_fdpic.c
> 
> [...]

Applied to for-next/execve, thanks!

[1/1] binfmt: replace deprecated strncpy
      https://git.kernel.org/kees/c/5248f4097308

Take care,

-- 
Kees Cook