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Date: Mon, 25 Sep 2023 11:04:32 -0700
From: Kees Cook <>
To: Justin Stitt <>
Cc: Alasdair Kergon <>, Mike Snitzer <>,,,
Subject: Re: [PATCH] dm crypt: replace open-coded kmemdup_nul

On Mon, Sep 25, 2023 at 06:35:54AM +0000, Justin Stitt wrote:
> kzalloc() followed by strncpy() on an expected NUL-terminated string is
> just kmemdup_nul(). Let's simplify this code (while also dropping a
> deprecated strncpy() call [1]).
> Link: [1]
> Link:
> Cc:
> Cc: Kees Cook <>
> Signed-off-by: Justin Stitt <>

This looks correct to me. Thanks!

Reviewed-by: Kees Cook <>

Kees Cook

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