INFO: task syz-executor.0:32110 blocked for more than 430 seconds.
      Not tainted 5.15.0-syzkaller-12999-gc8c109546a19 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:    0 pid:32110 ppid: 22491 flags:0x00000001
Call trace:
 __switch_to+0x264/0x3a4 arch/arm64/kernel/process.c:526
 context_switch kernel/sched/core.c:4969 [inline]
 __schedule+0x868/0x1c14 kernel/sched/core.c:6250
 schedule+0xfc/0x2fc kernel/sched/core.c:6323
 blk_mq_freeze_queue_wait+0xf4/0x130 block/blk-mq.c:178
 blk_freeze_queue block/blk-mq.c:205 [inline]
 blk_mq_freeze_queue+0x20/0x30 block/blk-mq.c:214
 lo_release+0x120/0x190 drivers/block/loop.c:1768
 blkdev_put_whole block/bdev.c:694 [inline]
 blkdev_put+0x220/0x714 block/bdev.c:956
 blkdev_close+0x64/0xa0 block/fops.c:515
 __fput+0x19c/0x740 fs/file_table.c:280
 ____fput+0x10/0x20 fs/file_table.c:313
 task_work_run+0xd8/0x230 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x1350/0x2690 arch/arm64/kernel/signal.c:944
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:134 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:139 [inline]
 el0_svc+0x1d4/0x280 arch/arm64/kernel/entry-common.c:604
 el0t_64_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:621
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:572

Showing all locks held in the system:
1 lock held by khungtaskd/26:
 #0: ffff800015f7f760 (rcu_read_lock){....}-{1:2}, at: __preempt_count_add arch/arm64/include/asm/preempt.h:48 [inline]
 #0: ffff800015f7f760 (rcu_read_lock){....}-{1:2}, at: __rcu_read_lock include/linux/rcupdate.h:68 [inline]
 #0: ffff800015f7f760 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:686 [inline]
 #0: ffff800015f7f760 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0xd4/0x368 kernel/locking/lockdep.c:6464
1 lock held by klogd/1995:
2 locks held by getty/2154:
 #0: ffff000009fad098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x50 drivers/tty/tty_ldsem.c:340
 #1: ffff80001899b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x810/0xbe0 drivers/tty/n_tty.c:2113
2 locks held by syz-executor.0/32110:
 #0: ffff000012d00118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0x84/0x714 block/bdev.c:914
 #1: ffff000011876360 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x48/0x190 drivers/block/loop.c:1748

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