Re: [PATCH] usb: typec: ucsi: Fix workqueue destruction race during connector cleanup

[Heikki Krogerus]

On Thu, Oct 02, 2025 at 09:30:26AM +0800, Chia-Lin Kao (AceLan) wrote:
> During UCSI initialization and operation, there is a race condition where
> delayed work items can be scheduled but attempt to queue work after the
> workqueue has been destroyed. This occurs in multiple code paths.
> 
> The race occurs when:
> 1. ucsi_partner_task() or ucsi_poll_worker() schedule delayed work
> 2. Connector cleanup paths call destroy_workqueue()
> 3. Previously scheduled delayed work timers fire after destruction
> 4. This triggers warnings and crashes in __queue_work()

What warnings?

-- 
heikki