[  738.628689][   T44] INFO: task kworker/u16:0:12 blocked for more than 368 seconds.
[  738.629029][   T44]       Not tainted 6.19.0-rc1-virtme #1
[  738.629212][   T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  738.629497][   T44] task:kworker/u16:0   state:D stack:27952 pid:12    tgid:12    ppid:2      task_flags:0x4208060 flags:0x00080000
[  738.629873][   T44] Workqueue: ipv6_addrconf addrconf_verify_work
[  738.630102][   T44] Call Trace:
[  738.630246][   T44]  <TASK>
[  738.630384][   T44]  __schedule+0xae2/0x1720
[  738.630563][   T44]  ? io_schedule_timeout+0x130/0x130
[  738.630770][   T44]  ? __lock_release.isra.0+0x59/0x170
[  738.630940][   T44]  ? __lock_release.isra.0+0x59/0x170
[  738.631135][   T44]  schedule+0xd4/0x260
[  738.631278][   T44]  schedule_preempt_disabled+0x18/0x30
[  738.631472][   T44]  __mutex_lock+0xd76/0x1f20
[  738.631644][   T44]  ? addrconf_verify_work+0x12/0x30
[  738.631847][   T44]  ? ww_mutex_lock+0x160/0x160
[  738.632017][   T44]  ? process_one_work+0xd16/0x1390
[  738.632216][   T44]  ? rcu_is_watching+0x15/0xd0
[  738.632380][   T44]  ? rcu_is_watching+0x15/0xd0
[  738.632566][   T44]  ? addrconf_verify_work+0x12/0x30
[  738.632759][   T44]  addrconf_verify_work+0x12/0x30
[  738.632922][   T44]  process_one_work+0xd57/0x1390
[  738.633111][   T44]  ? pwq_dec_nr_in_flight+0x700/0x700
[  738.633289][   T44]  ? lock_acquire.part.0+0xbc/0x260
[  738.633480][   T44]  ? assign_work+0x152/0x380
[  738.633644][   T44]  worker_thread+0x4d6/0xd40
[  738.633840][   T44]  ? process_one_work+0x1390/0x1390
[  738.634003][   T44]  kthread+0x355/0x5b0
[  738.634164][   T44]  ? kthread_is_per_cpu+0xe0/0xe0
[  738.634335][   T44]  ? __lock_release.isra.0+0x59/0x170
[  738.634520][   T44]  ? rcu_is_watching+0x15/0xd0
[  738.634714][   T44]  ? kthread_is_per_cpu+0xe0/0xe0
[  738.634878][   T44]  ret_from_fork+0x3fb/0x510
[  738.635064][   T44]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  738.635286][   T44]  ? __switch_to+0x53c/0xd00
[  738.635451][   T44]  ? kthread_is_per_cpu+0xe0/0xe0
[  738.635633][   T44]  ret_from_fork_asm+0x11/0x20
[  738.635830][   T44]  </TASK>
[  738.635969][   T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task ip:972.
[  738.636235][   T44] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
[  738.636496][   T44] 
[  738.636496][   T44] Showing all locks held in the system:
[  738.636809][   T44] 3 locks held by kworker/u16:0/12:
[  738.636988][   T44]  #0: ff11000009127148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[  738.637285][   T44]  #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[  738.637627][   T44]  #2: ffffffffa1c85768 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[  738.637900][   T44] 3 locks held by kworker/2:0/28:
[  738.638055][   T44]  #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[  738.638355][   T44]  #1: ffa00000001ffcc0 ((work_completion)(&pool->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[  738.638644][   T44]  #2: ffffffffa1c85768 (rtnl_mutex){+.+.}-{4:4}, at: xp_release_deferred+0x1b/0x1e0
[  738.638917][   T44] 1 lock held by khungtaskd/44:
[  738.639073][   T44]  #0: ffffffffa1571040 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[  738.639369][   T44] 3 locks held by kworker/2:1/65:
[  738.639524][   T44]  #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[  738.639923][   T44]  #1: ffa0000000467cc0 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[  738.640248][   T44]  #2: ff11000008a5ac98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80
[  738.640513][   T44] 2 locks held by ip/972:
[  738.640642][   T44]  #0: ffffffffa1c85768 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x6fc/0xe90
[  738.640908][   T44]  #1: ff11000008a5ac98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80
[  738.641180][   T44] 1 lock held by ip/1037:
[  738.641309][   T44]  #0: ffffffffa1c85768 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x2ab/0xb90
[  738.641577][   T44] 
[  738.641707][   T44] =============================================
[  738.641707][   T44]