Re: [PATCH] kthread: Fix kthread_mod_delayed_work vs kthread_cancel_delayed_work_sync race

[Andrew Morton]

On Thu, 13 May 2021 14:54:57 +0800 Martin Liu <liumartin@xxxxxxxxxx> wrote:

> We encountered a system hang issue while doing the tests. The callstack
> is as following
>
> ...
>
> Fixes: 37be45d49dec2 ("kthread: allow to cancel kthread work")

Thanks.  I added a cc:stable to this and shall hold it in -mm for a
couple of weeks to get exposure and testing before sending it to Linus
for 5.13.