INFO: task syz-executor268:4042 blocked for more than 143 seconds.
      Not tainted 5.15.179-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor268 state:D stack:    0 pid: 4042 ppid:  4037 flags:0x0000000c
Call trace:
 __switch_to+0x308/0x588 arch/arm64/kernel/process.c:518
 context_switch kernel/sched/core.c:5029 [inline]
 __schedule+0xf10/0x1e48 kernel/sched/core.c:6375
 schedule+0x11c/0x1c8 kernel/sched/core.c:6458
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6517
 __mutex_lock_common+0xba0/0x2154 kernel/locking/mutex.c:669
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
 lmLogClose+0xc8/0x4d8 fs/jfs/jfs_logmgr.c:1452
 jfs_umount+0x24c/0x338 fs/jfs/jfs_umount.c:116
 jfs_put_super+0x90/0x188 fs/jfs/super.c:194
 generic_shutdown_super+0x130/0x2f0 fs/super.c:475
 kill_block_super+0x70/0xdc fs/super.c:1427
 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:
1 lock held by khungtaskd/27:
 #0: ffff800014d41b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311
2 locks held by getty/3798:
 #0: ffff0000d2c25098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
 #1: ffff80001d5ee2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158
2 locks held by syz-executor268/4038:
 #0: ffff0000cfff60e0 (&type->s_umount_key#41){+.+.}-{3:3}, at: deactivate_super+0x100/0x128 fs/super.c:365
 #1: ffff8000150df968 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xc8/0x4d8 fs/jfs/jfs_logmgr.c:1452
1 lock held by syz-executor268/4039:
 #0: ffff0000d13b40e0 (&type->s_umount_key#41){+.+.}-{3:3}, at: deactivate_super+0x100/0x128 fs/super.c:365
2 locks held by syz-executor268/4040:
 #0: ffff0000d95060e0 (&type->s_umount_key#41){+.+.}-{3:3}, at: deactivate_super+0x100/0x128 fs/super.c:365
 #1: ffff8000150df968 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xc8/0x4d8 fs/jfs/jfs_logmgr.c:1452
2 locks held by syz-executor268/4041:
 #0: ffff0000ccece0e0 (&type->s_umount_key#41){+.+.}-{3:3}, at: deactivate_super+0x100/0x128 fs/super.c:365
 #1: ffff8000150df968 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xc8/0x4d8 fs/jfs/jfs_logmgr.c:1452
2 locks held by syz-executor268/4042:
 #0: ffff0000ccecc0e0 (&type->s_umount_key#41){+.+.}-{3:3}, at: deactivate_super+0x100/0x128 fs/super.c:365
 #1: ffff8000150df968 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xc8/0x4d8 fs/jfs/jfs_logmgr.c:1452

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