INFO: task segctord:6685 blocked for more than 143 seconds.
      Not tainted 6.2.0-rc7-syzkaller-17907-g2d3827b3f393 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:segctord        state:D stack:0     pid:6685  ppid:2      flags:0x00000008
Call trace:
 __switch_to+0x210/0x424 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0x6a4/0xb34 kernel/sched/core.c:6606
 schedule+0x64/0xa4 kernel/sched/core.c:6682
 rwsem_down_write_slowpath+0x454/0x8b0 kernel/locking/rwsem.c:1190
 __down_write_common kernel/locking/rwsem.c:1305 [inline]
 __down_write kernel/locking/rwsem.c:1314 [inline]
 down_write+0x84/0x88 kernel/locking/rwsem.c:1563
 nilfs_transaction_lock+0x8c/0x124 fs/nilfs2/segment.c:357
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2486 [inline]
 nilfs_segctor_thread+0x174/0x644 fs/nilfs2/segment.c:2570
 kthread+0x12c/0x158 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
 #0: ffff80000d4955c8 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x448 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/12:
 #0: ffff80000d495c18 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x448 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/27:
 #0: ffff80000d4954a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:324
2 locks held by getty/4099:
 #0: ffff0000c6ef8098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244
 #1: ffff80000f6a62f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x28c/0xbc4 drivers/tty/n_tty.c:2177
4 locks held by syz-executor.5/6674:
1 lock held by segctord/6685:
 #0: ffff00011c516aa0 (&nilfs->ns_segctor_sem){++++}-{3:3}, at: nilfs_transaction_lock+0x8c/0x124 fs/nilfs2/segment.c:357
7 locks held by kworker/1:1/13250:
 #0: ffff0000c0d0e938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x274/0x9d0 kernel/workqueue.c:2262
 #1: ffff800018cfbd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x2a0/0x9d0 kernel/workqueue.c:2264
 #2: ffff0000c6a4a990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:831 [inline]
 #2: ffff0000c6a4a990 (&dev->mutex){....}-{3:3}, at: hub_event+0x94/0x26d4 drivers/usb/core/hub.c:5740
 #3: ffff00011aef9990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:831 [inline]
 #3: ffff00011aef9990 (&dev->mutex){....}-{3:3}, at: usb_remote_wakeup drivers/usb/core/hub.c:3782 [inline]
 #3: ffff00011aef9990 (&dev->mutex){....}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5538 [inline]
 #3: ffff00011aef9990 (&dev->mutex){....}-{3:3}, at: port_event drivers/usb/core/hub.c:5712 [inline]
 #3: ffff00011aef9990 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c48/0x26d4 drivers/usb/core/hub.c:5794
 #4: ffff0000c6a4c508 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3148 [inline]
 #4: ffff0000c6a4c508 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_port_resume+0x11c/0xec4 drivers/usb/core/hub.c:3706
 #5: ffff0000c6c8e568 (hcd->address0_mutex){+.+.}-{3:3}, at: usb_reset_and_verify_device+0x104/0x728 drivers/usb/core/hub.c:5996
 #6: ffff80000d72eb18 (ehci_cf_port_reset_rwsem){.+.+}-{3:3}, at: hub_port_reset+0xa0/0xcb8 drivers/usb/core/hub.c:2963
2 locks held by kworker/u4:0/14562:

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