[next-20230322] Kernel WARN at kernel/workqueue.c:3182 (rcutorture)

[Sachin Sant]

>>> Hello, Sachin, and it looks like you hit something that Zqiang and I
>>> have been tracking down.  I am guessing that you were using modprobe
>>> and rmmod to make this happen, and that this happened at rmmod time.
>>> 
>> Yes, the LTP test script rcu_torture.sh relies on modprobe to load/unload
>> the rcutorture module.
>> 
>>> Whatever the reproducer, does the following patch help?
>> 
>> Thank you for the patch. Yes, with this patch applied, the test completes
>> successfully without the reported warning.
> 
> Very good, thank you!  May we have your Tested-by?

Tested-by: Sachin Sant <sachinp at linux.ibm.com>

- Sachin