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Date: Fri,  1 Dec 2023 12:39:02 +0000 (UTC)
From: Kalle Valo <>
To: Justin Stitt <>
Cc: Gregory Greenman <>,,,, Justin Stitt <>
Subject: Re: [PATCH v2] wifi: iwlwifi: fw: replace deprecated strncpy with

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.
> Based on the deliberate `sizeof(dest) ... - 1` pattern we can see that
> both dump_info->dev_human_readable and dump_info->bus_human_readable are
> intended to be NUL-terminated.
> Moreover, since this seems to cross the file boundary let's NUL-pad to
> ensure no behavior change.
> strscpy_pad() covers both the NUL-termination and NUL-padding, let's use
> it.
> Link: [1]
> Link:
> Cc:
> Signed-off-by: Justin Stitt <>
> Reviewed-by: Kees Cook <>

Patch applied to wireless-next.git, thanks.

70582e26f5d9 wifi: iwlwifi: fw: replace deprecated strncpy with strscpy_pad


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