INFO: task kworker/1:2:1024 blocked for more than 143 seconds.
      Not tainted 6.2.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2     state:D stack:23072 pid:1024  ppid:2      flags:0x00004000
Workqueue: events_long flush_mdb
Call Trace:
 <TASK>
 __schedule+0x177c/0x4930
 schedule+0xc3/0x180
 io_schedule+0x8c/0x100
 bit_wait_io+0x12/0xc0
 __wait_on_bit_lock+0xbd/0x1a0
 out_of_line_wait_on_bit_lock+0x1d6/0x260
 hfs_mdb_commit+0xd5/0xe40
 process_one_work+0x80e/0x1050
 worker_thread+0x8c9/0xfd0
 kthread+0x232/0x2b0
 ret_from_fork+0x1f/0x30
 </TASK>
INFO: task syz-executor.0:5526 blocked for more than 143 seconds.
      Not tainted 6.2.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:21512 pid:5526  ppid:1      flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x177c/0x4930
 schedule+0xc3/0x180
 io_schedule+0x8c/0x100
 bit_wait_io+0x12/0xc0
 __wait_on_bit_lock+0xbd/0x1a0
 out_of_line_wait_on_bit_lock+0x1d6/0x260
 hfs_mdb_commit+0x9f0/0xe40
 hfs_sync_fs+0x9/0x10
 sync_filesystem+0xc8/0x190
 generic_shutdown_super+0x69/0x2d0
 kill_block_super+0x79/0xc0
 deactivate_locked_super+0x75/0xd0
 cleanup_mnt+0x3af/0x430
 task_work_run+0x20a/0x290
 exit_to_user_mode_loop+0xd1/0xf0
 exit_to_user_mode_prepare+0xb1/0x140
 syscall_exit_to_user_mode+0x54/0x2d0
 do_syscall_64+0x4d/0xc0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcda468d537
RSP: 002b:00007ffeeaf2cb68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fcda468d537
RDX: 00007ffeeaf2cc37 RSI: 000000000000000a RDI: 00007ffeeaf2cc30
RBP: 00007ffeeaf2cc30 R08: 00000000ffffffff R09: 00007ffeeaf2ca00
R10: 0000555556524903 R11: 0000000000000246 R12: 00007fcda46e6b24
R13: 00007ffeeaf2dcf0 R14: 0000555556524810 R15: 00007ffeeaf2dd30
 </TASK>

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
 #0: ffffffff8bf1cc10 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20
1 lock held by rcu_tasks_trace/13:
 #0: ffffffff8bf1d410 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20
1 lock held by khungtaskd/28:
 #0: ffffffff8bf1ca40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by kworker/1:2/1024:
 #0: ffff888011071538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x6f9/0x1050
 #1: ffffc90004c17d20 ((work_completion)(&(&sbi->mdb_work)->work)){+.+.}-{0:0}, at: process_one_work+0x740/0x1050
2 locks held by getty/4754:
 #0: ffff888026fc5098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x60
 #1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x3cf/0x11f0
1 lock held by syz-executor.0/5526:
 #0: ffff888025f020e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: deactivate_super+0x54/0x80

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

NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
 <TASK>
 dump_stack_lvl+0x12e/0x1d0
 nmi_cpu_backtrace+0x31c/0x390
 nmi_trigger_cpumask_backtrace+0x142/0x330
 watchdog+0xb78/0xbc0
 kthread+0x232/0x2b0
 ret_from_fork+0x1f/0x30
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x20/0x30