INFO: task segctord:12669 blocked for more than 143 seconds.
      Not tainted 6.2.0-rc3-syzkaller-00008-g1fe4fd6f5cad #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:segctord        state:D stack:29632 pid:12669 ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5244 [inline]
 __schedule+0xb8a/0x5450 kernel/sched/core.c:6555
 schedule+0xde/0x1b0 kernel/sched/core.c:6631
 rwsem_down_write_slowpath+0x600/0x12e0 kernel/locking/rwsem.c:1190
 __down_write_common kernel/locking/rwsem.c:1305 [inline]
 __down_write_common kernel/locking/rwsem.c:1302 [inline]
 __down_write kernel/locking/rwsem.c:1314 [inline]
 down_write+0x1e8/0x220 kernel/locking/rwsem.c:1563
 nilfs_transaction_lock+0x266/0x410 fs/nilfs2/segment.c:357
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2486 [inline]
 nilfs_segctor_thread+0xa58/0xf30 fs/nilfs2/segment.c:2570
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
 #0: ffffffff8c78df70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/12:
 #0: ffffffff8c78dc70 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/27:
 #0: ffffffff8c78eac0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494
1 lock held by udevd/4420:
2 locks held by getty/4739:
 #0: ffff88814aad0098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
 #1: ffffc900020182f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
2 locks held by kworker/u4:0/5086:
3 locks held by syz-executor.0/12661:
4 locks held by syz-executor.0/12671:
1 lock held by segctord/12669:
 #0: ffff88801e0072a0 (&nilfs->ns_segctor_sem){++++}-{3:3}, at: nilfs_transaction_lock+0x266/0x410 fs/nilfs2/segment.c:357
2 locks held by syz-executor.5/15640:

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

NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.2.0-rc3-syzkaller-00008-g1fe4fd6f5cad #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x333/0x3c0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
 watchdog+0xc75/0xfc0 kernel/hung_task.c:377
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 10636 Comm: kworker/0:12 Not tainted 6.2.0-rc3-syzkaller-00008-g1fe4fd6f5cad #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: events nsim_dev_trap_report_work
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline]
RIP: 0010:lock_release+0x40a/0x810 kernel/locking/lockdep.c:5691
Code: 00 0f 85 9e 02 00 00 48 c7 c7 00 40 4c 8a e8 2d d6 a2 08 b8 ff ff ff ff 65 0f c1 05 68 75 9f 7e 83 f8 01 0f 85 02 02 00 00 9c <58> f6 c4 02 0f 85 ed 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48
RSP: 0018:ffffc90004fdf9f8 EFLAGS: 00000046
RAX: 0000000000000001 RBX: dad7e930103a0e48 RCX: ffffc90004fdfa50
RDX: 1ffff11010770145 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 1ffff920009fbf42 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000040df662a R12: 0000000000000004
R13: 0000000000000005 R14: ffff888083b80a30 R15: ffff888083b80000
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe974785058 CR3: 000000007cc0b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 local_lock_release include/linux/local_lock_internal.h:38 [inline]
 crng_make_state+0x28d/0x6c0 drivers/char/random.c:372
 _get_random_bytes.part.0+0x95/0x1a0 drivers/char/random.c:385
 _get_random_bytes drivers/char/random.c:381 [inline]
 get_random_bytes+0x31/0x40 drivers/char/random.c:417
 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:779 [inline]
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:808 [inline]
 nsim_dev_trap_report_work+0x75b/0xc80 drivers/net/netdevsim/dev.c:853
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>