INFO: task kworker/1:1H:227 blocked for more than 143 seconds.
      Not tainted 5.15.180-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1H    state:D stack:    0 pid:  227 ppid:     2 flags:0x00000008
Workqueue: glock_workqueue glock_work_func
Call trace:
 __switch_to+0x2f4/0x558 arch/arm64/kernel/process.c:518
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0xe00/0x1c0c kernel/sched/core.c:6376
 schedule+0x11c/0x1c8 kernel/sched/core.c:6459
 rwsem_down_write_slowpath+0xcb8/0x13f4 kernel/locking/rwsem.c:1165
 __down_write_common kernel/locking/rwsem.c:1292 [inline]
 __down_write kernel/locking/rwsem.c:1301 [inline]
 down_write+0xe8/0x12c kernel/locking/rwsem.c:1552
 freeze_super+0x54/0x374 fs/super.c:1696
 freeze_go_sync+0x128/0x31c fs/gfs2/glops.c:587
 do_xmote+0x2ec/0xf90 fs/gfs2/glock.c:742
 run_queue+0x3fc/0x6c0 fs/gfs2/glock.c:872
 glock_work_func+0x208/0x458 fs/gfs2/glock.c:1039
 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310
 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
INFO: task syz.0.15:4861 blocked for more than 143 seconds.
      Not tainted 5.15.180-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.15        state:D stack:    0 pid: 4861 ppid:  4627 flags:0x00000009
Call trace:
 __switch_to+0x2f4/0x558 arch/arm64/kernel/process.c:518
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0xe00/0x1c0c kernel/sched/core.c:6376
 schedule+0x11c/0x1c8 kernel/sched/core.c:6459
 schedule_timeout+0xb4/0x2c8 kernel/time/timer.c:1890
 do_wait_for_common+0x1fc/0x35c kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x48/0x60 kernel/sched/completion.c:138
 flush_workqueue+0x4b8/0x1024 kernel/workqueue.c:2882
 gfs2_gl_hash_clear+0xd0/0x2cc fs/gfs2/glock.c:2182
 gfs2_fill_super+0x111c/0x19e0 fs/gfs2/ops_fstype.c:1309
 get_tree_bdev+0x358/0x544 fs/super.c:1325
 gfs2_get_tree+0x54/0x1b4 fs/gfs2/ops_fstype.c:1332
 vfs_get_tree+0x90/0x274 fs/super.c:1530
 do_new_mount+0x228/0x810 fs/namespace.c:3012
 path_mount+0x5b4/0x1000 fs/namespace.c:3342
 do_mount fs/namespace.c:3355 [inline]
 __do_sys_mount fs/namespace.c:3563 [inline]
 __se_sys_mount fs/namespace.c:3540 [inline]
 __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3540
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/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:
1 lock held by khungtaskd/27:
 #0: ffff8000143211e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311
3 locks held by kworker/1:1H/227:
 #0: ffff0000c7290538 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 kernel/workqueue.c:2283
 #1: ffff80001bef7c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 kernel/workqueue.c:2285
 #2: ffff0000cc4020e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x374 fs/super.c:1696
2 locks held by getty/3787:
 #0: ffff0000d401c098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
 #1: ffff80001bd1b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c drivers/tty/n_tty.c:2158
1 lock held by syz.0.15/4861:
 #0: ffff0000cc4020e0 (&type->s_umount_key#49/1){+.+.}-{3:3}, at: alloc_super+0x1a8/0x824 fs/super.c:229

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