INFO: task syz.1.8:3471 blocked for more than 430 seconds.
      Not tainted 6.15.0-syzkaller-09113-g8477ab143069 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.8         state:D stack:0     pid:3471  tgid:3470  ppid:3311   task_flags:0x400140 flags:0x00000019
Call trace:
 __switch_to+0x208/0x4f4 arch/arm64/kernel/process.c:735 (T)
 context_switch kernel/sched/core.c:5392 [inline]
 __schedule+0xd34/0x3184 kernel/sched/core.c:6781
 __schedule_loop kernel/sched/core.c:6859 [inline]
 schedule+0xd0/0x344 kernel/sched/core.c:6874
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6931
 __mutex_lock_common kernel/locking/mutex.c:678 [inline]
 __mutex_lock+0x5d8/0x9d8 kernel/locking/mutex.c:746
 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:798
 bdev_release+0x104/0x510 block/bdev.c:1128
 blkdev_release+0x14/0x24 block/fops.c:684
 __fput+0x2c8/0x954 fs/file_table.c:465
 ____fput+0x14/0x20 fs/file_table.c:493
 task_work_run+0x128/0x210 kernel/task_work.c:227
 get_signal+0x174/0x1bac kernel/signal.c:2807
 do_signal+0x1f4/0x6a8 arch/arm64/kernel/signal.c:1615
 do_notify_resume+0x198/0x264 arch/arm64/kernel/entry-common.c:148
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
 el0_svc+0x118/0x198 arch/arm64/kernel/entry-common.c:768
 el0t_64_sync_handler+0x10c/0x138 arch/arm64/kernel/entry-common.c:786
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600

Showing all locks held in the system:
1 lock held by khungtaskd/33:
 #0: ffff80008733fd60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x18/0x1c4 kernel/locking/lockdep.c:6764
2 locks held by kworker/u8:7/1139:
 #0: ffff00006a0a0f18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:606 [inline]
 #0: ffff00006a0a0f18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1532 [inline]
 #0: ffff00006a0a0f18 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1856 [inline]
 #0: ffff00006a0a0f18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x318/0x3184 kernel/sched/core.c:6705
 #1: ffff00006a08c388 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x244/0x758 kernel/sched/psi.c:987
2 locks held by getty/3252:
 #0: ffff0000188f80a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80008d5db2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x3e4/0xdb4 drivers/tty/n_tty.c:2222
2 locks held by syz-executor/3305:
1 lock held by udevd/3467:
 #0: ffff0000148b1358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 block/bdev.c:945
1 lock held by syz.1.8/3471:
 #0: ffff0000148b1358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x104/0x510 block/bdev.c:1128
1 lock held by syz-executor/4062:

=============================================