INFO: task syz-executor.0:4423 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:    0 pid: 4423 ppid:  4288 flags:0x00000005
Call trace:
 __switch_to+0x2f4/0x558 arch/arm64/kernel/process.c:521
 context_switch kernel/sched/core.c:5049 [inline]
 __schedule+0xe08/0x1bf8 kernel/sched/core.c:6395
 schedule+0x11c/0x1c8 kernel/sched/core.c:6478
 io_schedule+0x84/0x160 kernel/sched/core.c:8503
 wait_on_page_bit_common+0x61c/0xa74 mm/filemap.c:1356
 wait_on_page_bit+0x58/0x68 mm/filemap.c:1417
 wait_on_page_locked include/linux/pagemap.h:688 [inline]
 gfs2_jhead_process_page+0x1e0/0x698 fs/gfs2/lops.c:476
 gfs2_find_jhead+0x7cc/0xca8 fs/gfs2/lops.c:586
 check_journal_clean+0x170/0x2bc fs/gfs2/util.c:75
 init_journal+0x1370/0x1d7c fs/gfs2/ops_fstype.c:832
 init_inodes+0xe0/0x2d4 fs/gfs2/ops_fstype.c:891
 gfs2_fill_super+0x121c/0x19e0 fs/gfs2/ops_fstype.c:1249
 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:3034
 path_mount+0x5b4/0x1000 fs/namespace.c:3364
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount fs/namespace.c:3562 [inline]
 __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3562
 __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: ffff8000142f1520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:312
2 locks held by getty/3805:
 #0: ffff0000d43fd098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
 #1: ffff80001bb9e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c drivers/tty/n_tty.c:2158
1 lock held by syz-executor.0/4423:
 #0: ffff0000db3320e0 (&type->s_umount_key#48/1){+.+.}-{3:3}, at: alloc_super+0x1a8/0x824 fs/super.c:229
2 locks held by syz-executor.0/6063:

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