On Tue, Feb 07, 2023 at 10:40:32PM +0800, Ming Lei wrote: > because disk->root_blkg is freed & set as NULL in del_gendisk(). > > by the following script: > > modprobe -r scsi_debug > modprobe scsi_debug dev_size_mb=1024 > > mkfs.xfs -f /dev/sdc #suppose sdc is the scsi debug disk > mount /dev/sdc /mnt > echo 1 > /sys/block/sdc/device/delete > sleep 1 > umount /mnt Thank, I've sent a fix. Can you wire up your reproducer in blktests?
