linux-hardening - Re: [PATCH] lib: string_helpers: fix potential snprintf() output truncation

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Message-ID: <CAHp75VdOvcfp8ZiONr9viieT9JavvZYMfS+wX8x40JyZuzfyUg@mail.gmail.com>
Date: Mon, 21 Oct 2024 12:25:07 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: Kees Cook <kees@...nel.org>, Andy Shevchenko <andy@...nel.org>, 
	Andrew Morton <akpm@...ux-foundation.org>, 
	James Bottomley <James.Bottomley@...senpartnership.com>, linux-hardening@...r.kernel.org, 
	linux-kernel@...r.kernel.org, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH] lib: string_helpers: fix potential snprintf() output truncation

On Mon, Oct 21, 2024 at 12:14 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
>
> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
>
> The output of ".%03u" with the unsigned int in range [0, 4294966295] may
> get truncated if the target buffer is not 12 bytes.

I got the same warning last week, thanks for fixing it!
Reviewed-by: Andy Shevchenko <andy@...nel.org>

-- 
With Best Regards,
Andy Shevchenko