linux-kernel - Re: (subset) [PATCH v2] leds: Fix LED

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <174067371203.3568117.5632131578268185238.b4-ty@kernel.org>
Date: Thu, 27 Feb 2025 16:28:32 +0000
From: Lee Jones <lee@...nel.org>
To: linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Remi Pommarel <repk@...plefau.lt>
Cc: Lee Jones <lee@...nel.org>, Pavel Machek <pavel@...nel.org>, 
 Hans de Goede <hdegoede@...hat.com>, 
 Jacek Anaszewski <jacek.anaszewski@...il.com>
Subject: Re: (subset) [PATCH v2] leds: Fix LED_OFF brightness race

On Thu, 20 Feb 2025 12:23:17 +0100, Remi Pommarel wrote:
> While commit fa15d8c69238 ("leds: Fix set_brightness_delayed() race")
> successfully forces led_set_brightness() to be called with LED_OFF at
> least once when switching from blinking to LED on state so that
> hw-blinking can be disabled, another race remains. Indeed in
> led_set_brightness(LED_OFF) followed by led_set_brightness(any)
> scenario the following CPU scheduling can happen:
> 
> [...]

Applied, thanks!

[1/1] leds: Fix LED_OFF brightness race
      commit: 2c70953b6f535f7698ccbf22c1f5ba26cb6c2816

--
Lee Jones [李琼斯]