On Wed, Oct 13, 2021 at 04:50:13PM +0800, Yi Zhang wrote: > Hello > The below NULL pointer issue was triggered on the latest > linux-block/for-next with blktests, is it one known issue? Please try this patchset: https://lore.kernel.org/linux-block/20210929071241.934472-1-hch@xxxxxx/T/#m6591be7882bf30f3538a8baafbac1712f0763ebb