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From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Gui-Dong Han <hanguidong02@gmail.com>,
	vt8231@hiddenengine.co.uk, steve.glendinning@shawell.net,
	jdelvare@suse.com, linux-hwmon@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [BUG] hwmon: Widespread TOCTOU vulnerabilities in the hwmon subsystem
Date: Sat, 29 Nov 2025 15:42:56 +0100	[thread overview]
Message-ID: <aSsGcLCaXxQChDA8@black.igk.intel.com> (raw)
In-Reply-To: <3f5feb87-330c-4342-88a1-d5076538a86d@roeck-us.net>

On Thu, Jun 05, 2025 at 07:33:22AM -0700, Guenter Roeck wrote:
> On Thu, Jun 05, 2025 at 07:49:37PM +0800, Gui-Dong Han wrote:

...

> Also, it might make sense to add a note to
> Documentation/hwmon/submitting-patches.rst, to "avoid calculations in
> macros", explaining that this may result in the kind of problem explained
> here.

No, it might not. Do not blame a messenger (calculations), the problem is
accessing data several times. That one makes sense to add.

-- 
With Best Regards,
Andy Shevchenko



      parent reply	other threads:[~2025-11-29 14:43 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-05 11:49 [BUG] hwmon: Widespread TOCTOU vulnerabilities in the hwmon subsystem Gui-Dong Han
2025-06-05 14:33 ` Guenter Roeck
2025-06-05 14:37   ` Guenter Roeck
2025-06-06  7:03     ` Gui-Dong Han
2025-06-06 21:30       ` Armin Wolf
2025-06-06 23:20         ` Guenter Roeck
2025-06-09 15:03           ` Armin Wolf
2025-06-09 15:27             ` Guenter Roeck
2025-06-06 23:22       ` Guenter Roeck
2025-06-09 15:06         ` Armin Wolf
2025-11-29 14:42   ` Andy Shevchenko [this message]

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