INFO: task syz-executor:4019 blocked for more than 143 seconds.
      Not tainted 5.15.167-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:    0 pid: 4019 ppid:     1 flags:0x00000009
Call trace:
 __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518
 context_switch kernel/sched/core.c:5027 [inline]
 __schedule+0xf10/0x1e48 kernel/sched/core.c:6373
 schedule+0x11c/0x1c8 kernel/sched/core.c:6456
 schedule_timeout+0x1d8/0x344 kernel/time/timer.c:1914
 gfs2_gl_hash_clear+0x180/0x2f4 fs/gfs2/glock.c:2183
 gfs2_put_super+0x5e4/0x684 fs/gfs2/super.c:624
 generic_shutdown_super+0x130/0x29c fs/super.c:475
 kill_block_super+0x70/0xdc fs/super.c:1425
 gfs2_kill_sb+0xc0/0xd4
 deactivate_locked_super+0xb8/0x13c fs/super.c:335
 deactivate_super+0x108/0x128 fs/super.c:366
 cleanup_mnt+0x3c0/0x474 fs/namespace.c:1143
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1150
 task_work_run+0x130/0x1e4 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:609
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

Showing all locks held in the system:
2 locks held by kworker/1:1/25:
 #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
 #1: ffff80001bd57c00 (key_gc_work){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
1 lock held by khungtaskd/27:
 #0: ffff800014c917e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311
2 locks held by kworker/u4:4/351:
4 locks held by kworker/u4:5/1600:
2 locks held by getty/3776:
 #0: ffff0000d3856098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
 #1: ffff80001d4ae2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158
1 lock held by syz-executor/4019:
 #0: ffff0000d1f040e0 (&type->s_umount_key#71){++++}-{3:3}, at: deactivate_super+0x100/0x128 fs/super.c:365
2 locks held by kworker/1:8/4097:
 #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
 #1: ffff800020177c00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
1 lock held by syz.2.850/5917:
 #0: ffff0000d1f040e0 (&type->s_umount_key#71){++++}-{3:3}, at: iterate_supers+0xb0/0x1dc fs/super.c:714
1 lock held by syz.1.880/5982:
 #0: ffff0000d1f040e0 (&type->s_umount_key#71){++++}-{3:3}, at: user_get_super+0x11c/0x240 fs/super.c:848
1 lock held by syz.1.1804/7978:
 #0: ffff0000d1f040e0 (&type->s_umount_key#71){++++}-{3:3}, at: user_get_super+0x11c/0x240 fs/super.c:848
1 lock held by syz.1.3601/12300:
 #0: ffff0000d1f040e0 (&type->s_umount_key#71){++++}-{3:3}, at: user_get_super+0x11c/0x240 fs/super.c:848
1 lock held by syz.1.4296/14546:
 #0: ffff0000d1f040e0 (&type->s_umount_key#71){++++}-{3:3}, at: user_get_super+0x11c/0x240 fs/super.c:848

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