INFO: task kworker/u8:7:322 blocked for more than 143 seconds.
      Not tainted 6.14.0-syzkaller-gd6b13dbd03b7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:7    state:D stack:0     pid:322   tgid:322   ppid:2      task_flags:0x4208060 flags:0x00000008
Workqueue: nbd-del nbd_dev_remove_work
Call trace:
 __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T)
 context_switch kernel/sched/core.c:5378 [inline]
 __schedule+0x1360/0x257c kernel/sched/core.c:6765
 __schedule_loop kernel/sched/core.c:6842 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6857
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6914
 __mutex_lock_common+0xd30/0x24b8 kernel/locking/mutex.c:662
 __mutex_lock kernel/locking/mutex.c:730 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:782
 bio_put_slab block/bio.c:140 [inline]
 bioset_exit+0x240/0x434 block/bio.c:1662
 disk_release+0x128/0x260 block/genhd.c:1233