Re: [PATCH] kernfs: prevent early freeing of root node

[Tejun Heo]

On Wed, Dec 01, 2021 at 03:16:48PM -0800, Minchan Kim wrote:
...
> Since kernfs moves the kernfs_rwsem lock into root, it couldn't hold
> the lock when the root node is tearing down. Thus, get the refcount
> of root node.
> 
> Tested-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> Reported-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Thanks.

-- 
tejun