INFO: task syz-executor.0:3590 blocked for more than 430 seconds.
      Not tainted 6.14.0-rc1-syzkaller-g5c8c229261f1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:3590  tgid:3587  ppid:3477   task_flags:0x400140 flags:0x0000000d
Call trace:
 __switch_to+0x204/0x4bc arch/arm64/kernel/process.c:701 (T)
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0xb7c/0x3008 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0xd0/0x304 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x5d8/0x978 kernel/locking/mutex.c:730
 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:782
 bdev_release+0x104/0x510 block/bdev.c:1086
 blkdev_release+0x14/0x24 block/fops.c:660
 __fput+0x2c8/0x954 fs/file_table.c:448
 ____fput+0x14/0x20 fs/file_table.c:476
 task_work_run+0x128/0x210 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 do_notify_resume+0x1d0/0x258 arch/arm64/kernel/entry-common.c:151
 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+0x100/0x180 arch/arm64/kernel/entry-common.c:745
 el0t_64_sync_handler+0x10c/0x138 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600

Showing all locks held in the system:
4 locks held by kworker/u8:1/26:
1 lock held by khungtaskd/31:
 #0: ffff800087149ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x44/0x2d0 kernel/locking/lockdep.c:6740
4 locks held by kworker/u8:7/983:
1 lock held by klogd/3108:
2 locks held by getty/3236:
 #0: ffff0000174d10a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80008d36b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x93c/0xe9c drivers/tty/n_tty.c:2211
1 lock held by syz-executor.0/3590:
 #0: ffff0000143cf4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x104/0x510 block/bdev.c:1086
1 lock held by udevd/3592:
 #0: ffff0000143cf4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 block/bdev.c:903
1 lock held by syz-executor.0/3687:
 #0: ffff0000143cf4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 block/bdev.c:903
1 lock held by syz-executor.0/3759:
 #0: ffff0000143cf4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 block/bdev.c:903
1 lock held by syz-executor.0/3834:
 #0: ffff0000143cf4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2c4/0xa84 block/bdev.c:903
2 locks held by syz-executor.0/3837:

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