From: sashiko-bot@kernel.org
To: "Zhu Jun" <zhujun2@cmss.chinamobile.com>
Cc: linux-hwmon@vger.kernel.org
Subject: Re: [PATCH] hwmon: (lm85) Bound fan stop temperatures before subtraction
Date: Wed, 11 Nov 2026 07:06:34 +0000 [thread overview]
Message-ID: <sashiko-outbox-208493@kernel.org> (raw)
In-Reply-To: <20261111065324.17776-1-zhujun2@cmss.chinamobile.com>
> temp_auto_temp_off_store() subtracts an unrestricted long from the zone
> limit before clamping the resulting hysteresis. Extreme inputs can
> overflow this subtraction and select the wrong end of the hysteresis
> range.
>
> Bound the requested stop temperature before calculating the difference.
> A signed 8-bit zone limit and a maximum hysteresis of 15 degrees require
> only the -143..127 degree range.
>
> Fixes: 1da177e4c3f41 ("Linux-2.6.12-rc2")
> Signed-off-by: Zhu Jun <zhujun2@cmss.chinamobile.com>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261111065324.17776-1-zhujun2@cmss.chinamobile.com?part=1
next prev parent reply other threads:[~2026-11-11 7:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-11 6:53 [PATCH] hwmon: (lm85) Bound fan stop temperatures before subtraction Zhu Jun
2026-11-11 7:06 ` sashiko-bot [this message]
2026-11-11 16:57 ` Guenter Roeck
-- strict thread matches above, loose matches on Subject: below --
2026-11-09 10:19 Zhu Jun
2026-11-09 10:26 ` sashiko-bot
2026-11-09 15:12 ` Guenter Roeck
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