linux-kernel - Re: [PATCH] ALSA: pcmtest: Replace deprecated strcpy with strscpy_pad in setup_patt

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Message-ID: <87346ac7yh.wl-tiwai@suse.de>
Date: Wed, 19 Nov 2025 17:17:58 +0100
From: Takashi Iwai <tiwai@...e.de>
To: Thorsten Blum <thorsten.blum@...ux.dev>
Cc: Ivan Orlov <ivan.orlov0322@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ALSA: pcmtest: Replace deprecated strcpy with strscpy_pad in setup_patt_bufs

On Wed, 19 Nov 2025 14:52:17 +0100,
Thorsten Blum wrote:
> 
> strcpy() has been deprecated [1] because it performs no bounds checking
> on the destination buffer, which can lead to buffer overflows. Replace
> it with the safer strscpy_pad(), and use kmalloc() instead of kzalloc()
> because strscpy_pad() zero-pads the destination buffer and therefore
> avoids writing to it twice.
> 
> Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strcpy [1]
> Signed-off-by: Thorsten Blum <thorsten.blum@...ux.dev>

Applied to for-next branch now.  Thanks.


Takashi