INFO: task segctord:19331 blocked for more than 143 seconds.
      Not tainted 6.1.0-rc4-syzkaller-31833-gf0c4d9fc9cc9 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:segctord        state:D stack:0     pid:19331 ppid:2      flags:0x00000008
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0x408/0x594 kernel/sched/core.c:6503
 schedule+0x64/0xa4 kernel/sched/core.c:6579
 rwsem_down_write_slowpath+0x258/0x468 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+0x174/0x634 fs/nilfs2/segment.c:2570
 kthread+0x12c/0x158 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860

Showing all locks held in the system:
2 locks held by kworker/u4:0/9:
 #0: ffff0000c0014938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x270/0x504 kernel/workqueue.c:2262
 #1: ffff0001fefddb88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x280/0x380 kernel/sched/psi.c:909
1 lock held by rcu_tasks_kthre/11:
 #0: ffff80000d403868 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/12:
 #0: ffff80000d403eb8 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/27:
 #0: ffff80000d403740 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:303
3 locks held by kworker/u4:1/29:
2 locks held by getty/2706:
 #0: ffff0000c9640098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244
 #1: ffff80000f6062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c drivers/tty/n_tty.c:2177
1 lock held by syz-executor.2/3067:
 #0: ffff80000d404cf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
 #0: ffff80000d404cf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x220/0x4f4 kernel/rcu/tree_exp.h:946
1 lock held by syz-executor.3/3069:
 #0: ffff80000d404cf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
 #0: ffff80000d404cf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x220/0x4f4 kernel/rcu/tree_exp.h:946
2 locks held by kworker/1:6/3150:
4 locks held by kworker/u4:7/3354:
2 locks held by kworker/1:9/15436:
 #0: ffff0000c0010f38 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x270/0x504 kernel/workqueue.c:2262
 #1: ffff800012ccbd80 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x29c/0x504 kernel/workqueue.c:2264
6 locks held by syz-executor.5/19326:
1 lock held by segctord/19331:
 #0: ffff000114f00aa0 (&nilfs->ns_segctor_sem){++++}-{3:3}, at: nilfs_transaction_lock+0x8c/0x124 fs/nilfs2/segment.c:357
6 locks held by syz-executor.1/19416:
1 lock held by syz-executor.5/20828:

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