INFO: task syz-executor.0:6893 blocked for more than 143 seconds.
      Not tainted 6.11.0-rc3-syzkaller-00019-g5c43d43bad35 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:6893  tgid:6891  ppid:6589   flags:0x0000000d
Call trace:
 __switch_to+0x314/0x560 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x13d4/0x2418 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6678
 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:684
 __mutex_lock kernel/locking/mutex.c:752 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804
 bdev_release+0x168/0x644 block/bdev.c:1080
 blkdev_release+0x20/0x34 block/fops.c:638
 __fput+0x1bc/0x774 fs/file_table.c:422
 ____fput+0x20/0x30 fs/file_table.c:450
 task_work_run+0x230/0x2e0 kernel/task_work.c:228
 get_signal+0x1354/0x1530 kernel/signal.c:2689
 do_signal+0x254/0x4014 arch/arm64/kernel/signal.c:1308
 do_notify_resume+0x74/0x1f4 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+0xac/0x168 arch/arm64/kernel/entry-common.c:713
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598

Showing all locks held in the system:
3 locks held by kworker/u8:1/12:
1 lock held by khungtaskd/31:
 #0: ffff80008f6edba0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:325
2 locks held by getty/6168:
 #0: ffff0000d25a20a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009836e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211
1 lock held by udevd/6591:
 #0: ffff0000ca5384c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd4 block/bdev.c:897
1 lock held by syz-executor.0/6893:
 #0: ffff0000ca5384c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x168/0x644 block/bdev.c:1080
1 lock held by syz-executor.0/6914:
 #0: ffff0000ca5384c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd4 block/bdev.c:897
1 lock held by syz-executor.0/6930:
 #0: ffff0000ca5384c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd4 block/bdev.c:897

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