[  738.637777][   T44] INFO: task kworker/u16:0:12 blocked for more than 368 seconds.
[  738.638121][   T44]       Not tainted 6.19.0-rc1-virtme #1
[  738.638319][   T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  738.638605][   T44] task:kworker/u16:0   state:D stack:27664 pid:12    tgid:12    ppid:2      task_flags:0x4208060 flags:0x00080000
[  738.638957][   T44] Workqueue: ipv6_addrconf addrconf_verify_work
[  738.639157][   T44] Call Trace:
[  738.639305][   T44]  <TASK>
[  738.639415][   T44]  __schedule+0xae2/0x1720
[  738.639593][   T44]  ? io_schedule_timeout+0x130/0x130
[  738.639779][   T44]  ? __lock_release.isra.0+0x59/0x170
[  738.639943][   T44]  ? __lock_release.isra.0+0x59/0x170
[  738.640114][   T44]  schedule+0xd4/0x260
[  738.640254][   T44]  schedule_preempt_disabled+0x18/0x30
[  738.640421][   T44]  __mutex_lock+0xd76/0x1f20
[  738.640590][   T44]  ? addrconf_verify_work+0x12/0x30
[  738.640771][   T44]  ? ww_mutex_lock+0x160/0x160
[  738.640942][   T44]  ? process_one_work+0xd16/0x1390
[  738.641111][   T44]  ? rcu_is_watching+0x15/0xd0
[  738.641278][   T44]  ? rcu_is_watching+0x15/0xd0
[  738.641444][   T44]  ? addrconf_verify_work+0x12/0x30
[  738.641608][   T44]  addrconf_verify_work+0x12/0x30
[  738.641787][   T44]  process_one_work+0xd57/0x1390
[  738.641954][   T44]  ? pwq_dec_nr_in_flight+0x700/0x700
[  738.642118][   T44]  ? lock_acquire.part.0+0xbc/0x260
[  738.642291][   T44]  ? assign_work+0x152/0x380
[  738.642456][   T44]  worker_thread+0x4d6/0xd40
[  738.642625][   T44]  ? process_one_work+0x1390/0x1390
[  738.642802][   T44]  kthread+0x355/0x5b0
[  738.642939][   T44]  ? kthread_is_per_cpu+0xe0/0xe0
[  738.643107][   T44]  ? __lock_release.isra.0+0x59/0x170
[  738.643276][   T44]  ? rcu_is_watching+0x15/0xd0
[  738.643441][   T44]  ? kthread_is_per_cpu+0xe0/0xe0
[  738.643604][   T44]  ret_from_fork+0x3fb/0x510
[  738.643783][   T44]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  738.643976][   T44]  ? __switch_to+0x53c/0xd00
[  738.644137][   T44]  ? kthread_is_per_cpu+0xe0/0xe0
[  738.644305][   T44]  ret_from_fork_asm+0x11/0x20
[  738.644475][   T44]  </TASK>
[  738.644616][   T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task ip:971.
[  738.644870][   T44] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
[  738.645112][   T44] 
[  738.645112][   T44] Showing all locks held in the system:
[  738.645327][   T44] 3 locks held by kworker/u16:0/12:
[  738.645483][   T44]  #0: ff11000009117148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[  738.645769][   T44]  #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[  738.646100][   T44]  #2: ffffffffbcc85768 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[  738.646350][   T44] 1 lock held by khungtaskd/44:
[  738.646506][   T44]  #0: ffffffffbc571040 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[  738.646791][   T44] 3 locks held by kworker/2:1/65:
[  738.646944][   T44]  #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[  738.647220][   T44]  #1: ffa0000000467cc0 ((work_completion)(&pool->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[  738.647488][   T44]  #2: ffffffffbcc85768 (rtnl_mutex){+.+.}-{4:4}, at: xp_release_deferred+0x1b/0x1e0
[  738.647732][   T44] 3 locks held by kworker/3:1/69:
[  738.647903][   T44]  #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[  738.648175][   T44]  #1: ffa00000004a7cc0 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[  738.648474][   T44]  #2: ff11000008a8ac98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80
[  738.648718][   T44] 2 locks held by ip/971:
[  738.648859][   T44]  #0: ffffffffbcc85768 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x6fc/0xe90
[  738.649105][   T44]  #1: ff11000008a8ac98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80
[  738.649352][   T44] 1 lock held by ip/1036:
[  738.649480][   T44]  #0: ffffffffbcc85768 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x2ab/0xb90
[  738.649721][   T44] 
[  738.649834][   T44] =============================================
[  738.649834][   T44]