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From: Kees Cook <keescook@chromium.org>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Azeem Shaikh <azeemshaikh38@gmail.com>,
	linux-hardening@vger.kernel.org, linux-hwmon@vger.kernel.org,
	linux-kernel@vger.kernel.org, Jean Delvare <jdelvare@suse.com>
Subject: Re: [PATCH] hwmon: Remove strlcpy occurences
Date: Wed, 12 Jul 2023 11:04:05 -0700	[thread overview]
Message-ID: <202307121100.A6E650B@keescook> (raw)
In-Reply-To: <3034082b-4ec8-2a8d-35a2-2551e9feef34@roeck-us.net>

On Wed, Jul 12, 2023 at 08:16:39AM -0700, Guenter Roeck wrote:
> On 7/12/23 07:44, Azeem Shaikh wrote:
> > [...]
> > +	len = strlen(result);
> >   	return simple_read_from_buffer(buf, count, ppos, tbuf, len);
> 
> This still copies tbuf, meaning all those constant strings won't actually
> be reported.

Ah dang, thanks for catching that. Yeah, "tbuf" should be replaced by
"result" in the simple_read_from_buffer().

-- 
Kees Cook

  reply	other threads:[~2023-07-12 18:04 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-12 14:44 Azeem Shaikh
2023-07-12 15:16 ` Guenter Roeck
2023-07-12 18:04   ` Kees Cook [this message]
2023-07-12 19:25     ` Azeem Shaikh
2023-07-12 15:39 ` Guenter Roeck

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