Re: [Update PATCH V3] md: don't unregister sync_thread with reconfig_mutex held

[Guoqing Jiang <guoqing.jiang@xxxxxxxxx>]

On 5/10/22 8:01 PM, Donald Buczek wrote:
> > I guess v2 is the best at the moment. I pushed a slightly modified v2 to
> > md-next.
>
> I think, this can be used to get a double-free from md_unregister_thread.
>
> Please review
>
> https://lore.kernel.org/linux-raid/8312a154-14fb-6f07-0cf1-8c970187cc49@xxxxxxxxxxxxx/

That is supposed to be addressed by the second one, pls consider it too.

[PATCH 2/2] md: protect md_unregister_thread from reentrancy

Thanks,
Guoqing