[  615.752795][   T44] INFO: task kworker/u16:0:12 blocked for more than 368 seconds.
[  615.753129][   T44]       Not tainted 6.19.0-rc1-virtme #1
[  615.753254][   T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  615.753456][   T44] task:kworker/u16:0   state:D stack:27952 pid:12    tgid:12    ppid:2      task_flags:0x4208060 flags:0x00080000
[  615.753730][   T44] Workqueue: ipv6_addrconf addrconf_verify_work
[  615.753948][   T44] Call Trace:
[  615.754043][   T44]  <TASK>
[  615.754110][   T44]  __schedule+0xae2/0x1720
[  615.754239][   T44]  ? io_schedule_timeout+0x130/0x130
[  615.754361][   T44]  ? __lock_release.isra.0+0x59/0x170
[  615.754482][   T44]  ? __lock_release.isra.0+0x59/0x170
[  615.754603][   T44]  schedule+0xd4/0x260
[  615.754706][   T44]  schedule_preempt_disabled+0x18/0x30
[  615.754844][   T44]  __mutex_lock+0xd76/0x1f20
[  615.754966][   T44]  ? addrconf_verify_work+0x12/0x30
[  615.755096][   T44]  ? ww_mutex_lock+0x160/0x160
[  615.755223][   T44]  ? process_one_work+0xd16/0x1390
[  615.755354][   T44]  ? rcu_is_watching+0x15/0xd0
[  615.755480][   T44]  ? rcu_is_watching+0x15/0xd0
[  615.755604][   T44]  ? addrconf_verify_work+0x12/0x30
[  615.755729][   T44]  addrconf_verify_work+0x12/0x30
[  615.755859][   T44]  process_one_work+0xd57/0x1390
[  615.755989][   T44]  ? pwq_dec_nr_in_flight+0x700/0x700
[  615.756118][   T44]  ? lock_acquire.part.0+0xbc/0x260
[  615.756243][   T44]  ? assign_work+0x152/0x380
[  615.756362][   T44]  worker_thread+0x4d6/0xd40
[  615.756486][   T44]  ? process_one_work+0x1390/0x1390
[  615.756603][   T44]  kthread+0x355/0x5b0
[  615.756702][   T44]  ? kthread_is_per_cpu+0xe0/0xe0
[  615.756828][   T44]  ? __lock_release.isra.0+0x59/0x170
[  615.756953][   T44]  ? rcu_is_watching+0x15/0xd0
[  615.757076][   T44]  ? kthread_is_per_cpu+0xe0/0xe0
[  615.757195][   T44]  ret_from_fork+0x3fb/0x510
[  615.757321][   T44]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  615.757471][   T44]  ? __switch_to+0x53c/0xd00
[  615.757592][   T44]  ? kthread_is_per_cpu+0xe0/0xe0
[  615.757716][   T44]  ret_from_fork_asm+0x11/0x20
[  615.757863][   T44]  </TASK>
[  615.757978][   T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task ip:255.
[  615.758178][   T44] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
[  615.758393][   T44] 
[  615.758393][   T44] Showing all locks held in the system:
[  615.758565][   T44] 3 locks held by kworker/0:0/9:
[  615.758695][   T44]  #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[  615.758962][   T44]  #1: ffa0000000097cc0 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[  615.759226][   T44]  #2: ff11000009152c98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80
[  615.759440][   T44] 3 locks held by kworker/u16:0/12:
[  615.759557][   T44]  #0: ff1100000984f148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[  615.759800][   T44]  #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[  615.760092][   T44]  #2: ffffffffa6a85768 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[  615.760302][   T44] 1 lock held by khungtaskd/44:
[  615.760416][   T44]  #0: ffffffffa6371040 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[  615.760651][   T44] 3 locks held by kworker/2:1/65:
[  615.760769][   T44]  #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[  615.761006][   T44]  #1: ffa0000000467cc0 ((work_completion)(&pool->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[  615.761233][   T44]  #2: ffffffffa6a85768 (rtnl_mutex){+.+.}-{4:4}, at: xp_release_deferred+0x1b/0x1e0
[  615.761440][   T44] 2 locks held by ip/255:
[  615.761525][   T44]  #0: ffffffffa6a85768 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x6fc/0xe90
[  615.761729][   T44]  #1: ff11000009152c98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80
[  615.761951][   T44] 1 lock held by ip/320:
[  615.762037][   T44]  #0: ffffffffa6a85768 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x2ab/0xb90
[  615.762243][   T44] 
[  615.762303][   T44] =============================================
[  615.762303][   T44]