INFO: task syz-executor.0:6633 blocked for more than 143 seconds.
      Tainted: G        W          6.13.0-rc6-syzkaller-g6251d1776bc5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:6633  tgid:6633  ppid:1      flags:0x00000005
Call trace:
 __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T)
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1744/0x27f0 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6848
 bit_wait+0x1c/0xac kernel/sched/wait_bit.c:237
 __wait_on_bit kernel/sched/wait_bit.c:49 [inline]
 out_of_line_wait_on_bit+0x208/0x334 kernel/sched/wait_bit.c:64
 wait_on_bit include/linux/wait_bit.h:77 [inline]
 gfs2_glock_wait+0xb8/0x298 fs/gfs2/glock.c:1346
 gfs2_glock_nq+0xc8c/0x1660 fs/gfs2/glock.c:1602
 gfs2_glock_nq_init fs/gfs2/glock.h:238 [inline]
 __gfs2_lookup+0x124/0x270 fs/gfs2/inode.c:906
 gfs2_lookup+0x2c/0x3c fs/gfs2/inode.c:931
 __lookup_slow+0x250/0x374 fs/namei.c:1791
 lookup_slow+0x60/0x84 fs/namei.c:1808
 walk_component+0x280/0x36c fs/namei.c:2112
 lookup_last fs/namei.c:2610 [inline]
 path_lookupat+0x13c/0x3d0 fs/namei.c:2634
 filename_lookup+0x204/0x51c fs/namei.c:2663
 user_path_at+0x50/0x74 fs/namei.c:3070
 ksys_umount fs/namespace.c:2033 [inline]
 __do_sys_umount fs/namespace.c:2041 [inline]
 __se_sys_umount fs/namespace.c:2039 [inline]
 __arm64_sys_umount+0xf4/0x178 fs/namespace.c:2039
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600

Showing all locks held in the system:
1 lock held by khungtaskd/31:
 #0: ffff80008fb83160 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:336
2 locks held by getty/6171:
 #0: ffff0000d26240a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009ba1b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211
1 lock held by syz-executor.0/6633:
 #0: ffff0000ddfe87f8 (&type->i_mutex_dir_key#8){.+.+}-{4:4}, at: inode_lock_shared include/linux/fs.h:828 [inline]
 #0: ffff0000ddfe87f8 (&type->i_mutex_dir_key#8){.+.+}-{4:4}, at: lookup_slow+0x50/0x84 fs/namei.c:1807

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