INFO: task segctord:6658 blocked for more than 143 seconds.
      Tainted: G        W          6.10.0-rc2-syzkaller-g8867bbd4a056 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:segctord        state:D stack:0     pid:6658  tgid:6658  ppid:2      flags:0x00000008
Call trace:
 __switch_to+0x314/0x560 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x14b8/0x24e8 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6894
 rwsem_down_write_slowpath+0xd10/0x14c8 kernel/locking/rwsem.c:1178
 __down_write_common kernel/locking/rwsem.c:1306 [inline]
 __down_write kernel/locking/rwsem.c:1315 [inline]
 down_write+0xb4/0xc0 kernel/locking/rwsem.c:1580
 nilfs_transaction_lock+0x178/0x33c fs/nilfs2/segment.c:357
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2512 [inline]
 nilfs_segctor_thread+0x3f4/0xd7c fs/nilfs2/segment.c:2598
 kthread+0x288/0x310 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860

Showing all locks held in the system:
1 lock held by khungtaskd/31:
 #0: ffff80008f597820 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:328
4 locks held by kworker/u8:4/155:
 #0: ffff0000c1881948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x62c/0x15e8 kernel/workqueue.c:3205
 #1: ffff800098257c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x15e8 kernel/workqueue.c:3205
 #2: ffff800092217a50 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0x9b4 net/core/net_namespace.c:594
 #3: ffff800092223ca8 (rtnl_mutex){+.+.}-{3:3}
, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79
2 locks held by dhcpcd/6045:
 #0: 
ffff0000e06dc678
 (
nlk_cb_mutex-ROUTE
){+.+.}-{3:3}, at: __netlink_dump_start+0xf8/0x71c net/netlink/af_netlink.c:2418
 #1: 
ffff800092223ca8
 (
rtnl_mutex
){+.+.}-{3:3}, at: netlink_dump+0x48c/0xbf0 net/netlink/af_netlink.c:2336
2 locks held by getty/6128:
 #0: 
ffff0000cc9090a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: 
ffff8000981de2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201
3 locks held by kworker/0:3/6195:
 #0: ffff0000c0028948 ((wq_completion)events){+.+.}-{0:0}
, at: process_one_work+0x62c/0x15e8 kernel/workqueue.c:3205
 #1: 
ffff8000a17a7c20
 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x15e8 kernel/workqueue.c:3205
 #2: 
ffff800092223ca8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79
3 locks held by kworker/u8:17/6590:
 #0: 
ffff0000d1d4d148
 (
(wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x62c/0x15e8 kernel/workqueue.c:3205
 #1: ffff8000a0217c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x15e8 kernel/workqueue.c:3205
 #2: ffff800092223ca8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79
5 locks held by syz.0.40/6650:
5 locks held by syz.2.41/6652:
1 lock held by segctord/6658:
 #0: ffff0000ec9df2a0 (&nilfs->ns_segctor_sem){++++}-{3:3}
, at: nilfs_transaction_lock+0x178/0x33c fs/nilfs2/segment.c:357
1 lock held by syz-executor/7734:
 #0: ffff800092223ca8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
 #0: ffff800092223ca8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e0/0xdbc net/core/rtnetlink.c:6592
7 locks held by syz-executor/7748:
 #0: 
ffff0000d8246420 (sb_writers#7){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2854 [inline]
ffff0000d8246420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x368/0xc78 fs/read_write.c:586
 #1: ffff0000c9e4d888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1c8/0x48c fs/kernfs/file.c:325
 #2: ffff0000cc394698 (kn->active#45){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1e4/0x48c fs/kernfs/file.c:326
 #3: ffff8000913b38a8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xec/0x39c drivers/net/netdevsim/bus.c:216
 #4: ffff0000e3fc60e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
 #4: ffff0000e3fc60e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline]
 #4: ffff0000e3fc60e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xbc/0x698 drivers/base/dd.c:1290
 #5: ffff0000e3fc7250 (&devlink->lock_key#11){+.+.}-{3:3}
, at: devl_lock+0x24/0x34 net/devlink/core.c:276
 #6: 
ffff800092223ca8 (rtnl_mutex){+.+.}-{3:3}
, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79
1 lock held by syz-executor/7750:
 #0: 
ffff800092223ca8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
ffff800092223ca8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e0/0xdbc net/core/rtnetlink.c:6592
2 locks held by syz.0.274/7877:
 #0: ffff0000c70aa678 (nlk_cb_mutex-ROUTE){+.+.}-{3:3}, at: __netlink_dump_start+0xf8/0x71c net/netlink/af_netlink.c:2418
 #1: ffff800092223ca8 (rtnl_mutex){+.+.}-{3:3}, at: netlink_dump+0x48c/0xbf0 net/netlink/af_netlink.c:2336
1 lock held by syz.1.275/7896:
 #0: ffff800092223ca8 (rtnl_mutex
){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e0/0xdbc net/core/rtnetlink.c:6592

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