[ 861.523352][ T44] INFO: task kworker/u16:1:70 blocked for more than 122 seconds.
[ 861.523779][ T44] Not tainted 6.18.0-rc6-virtme #1
[ 861.523912][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 861.524135][ T44] task:kworker/u16:1 state:D stack:26496 pid:70 tgid:70 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 861.524469][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 861.524639][ T44] Call Trace:
[ 861.524745][ T44]
[ 861.524818][ T44] __schedule+0x88d/0x1b90
[ 861.524960][ T44] ? io_schedule_timeout+0x130/0x130
[ 861.525088][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.525218][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.525350][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.525479][ T44] schedule+0xd4/0x260
[ 861.525574][ T44] schedule_preempt_disabled+0x18/0x30
[ 861.525696][ T44] __mutex_lock+0x9ae/0x1500
[ 861.525826][ T44] ? addrconf_verify_work+0x12/0x30
[ 861.525961][ T44] ? ww_mutex_lock+0x160/0x160
[ 861.526086][ T44] ? process_one_work+0xd16/0x1390
[ 861.526218][ T44] ? trace_lock_acquire+0x88/0xd0
[ 861.526346][ T44] ? trace_lock_acquire+0x88/0xd0
[ 861.526475][ T44] ? addrconf_verify_work+0x12/0x30
[ 861.526597][ T44] addrconf_verify_work+0x12/0x30
[ 861.526719][ T44] process_one_work+0xd57/0x1390
[ 861.526851][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 861.526982][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.527114][ T44] ? assign_work+0x152/0x380
[ 861.527243][ T44] worker_thread+0x4d6/0xd40
[ 861.527725][ T44] ? process_one_work+0x1390/0x1390
[ 861.527863][ T44] ? __kthread_parkme+0xb3/0x200
[ 861.527990][ T44] ? process_one_work+0x1390/0x1390
[ 861.528114][ T44] kthread+0x355/0x5b0
[ 861.528208][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.528336][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.528462][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.528587][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.528714][ T44] ret_from_fork+0x1d4/0x270
[ 861.528843][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.528966][ T44] ret_from_fork_asm+0x11/0x20
[ 861.529106][ T44]
[ 861.529252][ T44] INFO: task kworker/u16:1:70 is blocked on a mutex likely owned by task ip:6210.
[ 861.529482][ T44] INFO: task ip:6210 blocked for more than 122 seconds.
[ 861.529637][ T44] Not tainted 6.18.0-rc6-virtme #1
[ 861.529757][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 861.529964][ T44] task:ip state:D stack:25496 pid:6210 tgid:6210 ppid:6205 task_flags:0x400100 flags:0x00080001
[ 861.530243][ T44] Call Trace:
[ 861.530346][ T44]
[ 861.530409][ T44] __schedule+0x88d/0x1b90
[ 861.530534][ T44] ? io_schedule_timeout+0x130/0x130
[ 861.530665][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.530790][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.530921][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.531049][ T44] schedule+0xd4/0x260
[ 861.531145][ T44] schedule_preempt_disabled+0x18/0x30
[ 861.531267][ T44] __mutex_lock+0x9ae/0x1500
[ 861.531404][ T44] ? napi_enable+0x3b/0x80
[ 861.531530][ T44] ? virtqueue_add_inbuf_ctx+0x1850/0x1850
[ 861.531685][ T44] ? ww_mutex_lock+0x160/0x160
[ 861.531807][ T44] ? __asan_memset+0x27/0x50
[ 861.531935][ T44] ? sg_init_table+0x19/0x60
[ 861.532060][ T44] ? try_fill_recv+0x3ec/0x1750
[ 861.532186][ T44] ? napi_enable+0x3b/0x80
[ 861.532314][ T44] napi_enable+0x3b/0x80
[ 861.532412][ T44] __virtnet_rx_resume+0x156/0x290
[ 861.532540][ T44] ? queue_delayed_work_on+0x91/0x100
[ 861.532665][ T44] virtnet_rx_resume_all+0xe7/0x1a0
[ 861.532788][ T44] virtnet_xdp_set+0xef7/0x1aa0
[ 861.532925][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0
[ 861.533045][ T44] dev_xdp_install+0x3e4/0x8e0
[ 861.533171][ T44] ? netif_skb_check_for_xdp+0x600/0x600
[ 861.533299][ T44] dev_xdp_attach+0x50d/0x1330
[ 861.533437][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0
[ 861.533561][ T44] ? __bpf_prog_get+0x320/0x320
[ 861.533691][ T44] dev_change_xdp_fd+0x182/0x240
[ 861.533818][ T44] do_setlink.isra.0+0x1c2d/0x2880
[ 861.533954][ T44] ? rtnl_newlink_create+0x900/0x900
[ 861.534081][ T44] ? rcu_lockdep_current_cpu_online+0x3e/0x1b0
[ 861.534236][ T44] ? rcu_read_lock_any_held+0x41/0xa0
[ 861.534386][ T44] ? validate_chain+0x287/0x5f0
[ 861.534514][ T44] ? rcu_read_lock_any_held+0x6b/0xa0
[ 861.534635][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 861.534760][ T44] ? __lock_acquire+0x34c/0x740
[ 861.534891][ T44] ? trace_lock_acquire+0x88/0xd0
[ 861.535011][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 861.535135][ T44] ? lock_acquire+0x31/0x80
[ 861.535263][ T44] ? rtnl_newlink+0x5df/0xb20
[ 861.535388][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.535508][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.535629][ T44] ? trace_contention_end+0xd6/0x140
[ 861.535753][ T44] ? rtnl_newlink+0x5df/0xb20
[ 861.535876][ T44] ? __mutex_lock+0x32e/0x1500
[ 861.536002][ T44] ? ww_mutex_lock+0x160/0x160
[ 861.536122][ T44] ? nla_validate_int_range+0x5b0/0x5b0
[ 861.536255][ T44] ? __rtnl_newlink+0x3fa/0xa40
[ 861.536385][ T44] rtnl_newlink+0x637/0xb20
[ 861.536510][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 861.536635][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.536762][ T44] ? find_held_lock+0x2b/0x80
[ 861.536890][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 861.537011][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.537135][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 861.537261][ T44] rtnetlink_rcv_msg+0x6fe/0xb90
[ 861.537389][ T44] ? rtnl_port_fill+0x940/0x940
[ 861.537509][ T44] ? __lock_acquire+0x34c/0x740
[ 861.537633][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.537754][ T44] ? find_held_lock+0x2b/0x80
[ 861.537880][ T44] netlink_rcv_skb+0x123/0x380
[ 861.538002][ T44] ? rtnl_port_fill+0x940/0x940
[ 861.538126][ T44] ? netlink_ack+0xcc0/0xcc0
[ 861.538255][ T44] ? netlink_deliver_tap+0x13f/0x330
[ 861.538384][ T44] netlink_unicast+0x4a3/0x770
[ 861.538511][ T44] ? netlink_attachskb+0x810/0x810
[ 861.538633][ T44] ? __lock_acquire+0x34c/0x740
[ 861.538757][ T44] netlink_sendmsg+0x735/0xc60
[ 861.538885][ T44] ? netlink_unicast+0x770/0x770
[ 861.539008][ T44] ? __might_fault+0x97/0x140
[ 861.539166][ T44] ____sys_sendmsg+0x419/0x850
[ 861.539290][ T44] ? copy_msghdr_from_user+0x270/0x430
[ 861.539416][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0
[ 861.539572][ T44] ? move_addr_to_kernel+0x40/0x40
[ 861.539697][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 861.539819][ T44] ? validate_chain+0x287/0x5f0
[ 861.539946][ T44] ___sys_sendmsg+0xfd/0x180
[ 861.540083][ T44] ? __call_rcu_common.constprop.0+0xa5/0x680
[ 861.540235][ T44] ? copy_msghdr_from_user+0x430/0x430
[ 861.540378][ T44] __sys_sendmsg+0x124/0x1c0
[ 861.540505][ T44] ? __sys_sendmsg_sock+0x20/0x20
[ 861.540625][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 861.540746][ T44] ? __call_rcu_common.constprop.0+0x2fa/0x680
[ 861.540906][ T44] ? do_raw_spin_unlock+0x59/0x250
[ 861.541032][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.541155][ T44] do_syscall_64+0xbb/0xfd0
[ 861.541283][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 861.541443][ T44] RIP: 0033:0x7f29322c6c5e
[ 861.541575][ T44] RSP: 002b:00007ffdfdcba910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 861.541761][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f29322c6c5e
[ 861.541953][ T44] RDX: 0000000000000000 RSI: 00007ffdfdcba9d0 RDI: 0000000000000003
[ 861.542136][ T44] RBP: 00007ffdfdcba920 R08: 0000000000000000 R09: 0000000000000000
[ 861.542322][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdfdcbb090
[ 861.542505][ T44] R13: 0000000069264a2a R14: 0000000000000000 R15: 0000000000499600
[ 861.542700][ T44]
[ 861.542798][ T44] INFO: task ip:6210 is blocked on a mutex likely owned by task kworker/2:0:28.
[ 861.543006][ T44] task:kworker/2:0 state:D stack:27512 pid:28 tgid:28 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 861.543283][ T44] Workqueue: events refill_work
[ 861.543413][ T44] Call Trace:
[ 861.543508][ T44]
[ 861.543574][ T44] __schedule+0x88d/0x1b90
[ 861.543707][ T44] ? io_schedule_timeout+0x130/0x130
[ 861.543834][ T44] ? usleep_range_state+0xba/0x1b0
[ 861.543956][ T44] ? find_held_lock+0x2b/0x80
[ 861.544080][ T44] ? _raw_spin_unlock_irqrestore+0x53/0x80
[ 861.544236][ T44] ? usleep_range_state+0xba/0x1b0
[ 861.544363][ T44] schedule+0xd4/0x260
[ 861.544456][ T44] schedule_hrtimeout_range_clock+0x1da/0x2f0
[ 861.544614][ T44] ? schedule_timeout_idle+0xe0/0xe0
[ 861.544738][ T44] ? hrtimer_cb_get_time+0x90/0x90
[ 861.544870][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 861.544998][ T44] ? ktime_get+0x15e/0x220
[ 861.545121][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 861.545245][ T44] ? ktime_get+0xa9/0x220
[ 861.545342][ T44] usleep_range_state+0x133/0x1b0
[ 861.545471][ T44] ? schedule_hrtimeout+0x20/0x20
[ 861.545596][ T44] ? __free_object+0x2ad/0x4b0
[ 861.545721][ T44] napi_disable_locked+0x379/0x5f0
[ 861.545845][ T44] ? _mutex_trylock_nest_lock+0x150/0x150
[ 861.545967][ T44] ? netdev_bind_sb_channel_queue+0x470/0x470
[ 861.546121][ T44] napi_disable+0x43/0x80
[ 861.546214][ T44] refill_work+0x116/0x210
[ 861.546347][ T44] process_one_work+0xd57/0x1390
[ 861.546473][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 861.546599][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.546722][ T44] ? assign_work+0x152/0x380
[ 861.546844][ T44] worker_thread+0x4d6/0xd40
[ 861.546964][ T44] ? process_one_work+0x1390/0x1390
[ 861.547084][ T44] kthread+0x355/0x5b0
[ 861.547177][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.547291][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.547412][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.547528][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.547643][ T44] ret_from_fork+0x1d4/0x270
[ 861.547759][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.547878][ T44] ret_from_fork_asm+0x11/0x20
[ 861.548007][ T44]
[ 861.548100][ T44]
[ 861.548100][ T44] Showing all locks held in the system:
[ 861.548280][ T44] 3 locks held by kworker/2:0/28:
[ 861.548401][ T44] 1 lock held by khungtaskd/44:
[ 861.548515][ T44] #0: ffffffffbb178fc0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2b/0x1db
[ 861.548721][ T44] 3 locks held by kworker/u16:1/70:
[ 861.548852][ T44] #0: ff1100000926cd48 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 861.549114][ T44] #1: ffa00000004b7d30 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 861.549397][ T44] #2: ffffffffbb892a28 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 861.549604][ T44] 2 locks held by ip/6210:
[ 861.549714][ T44] #0: ffffffffbb892a28 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x5df/0xb20
[ 861.549917][ T44] #1: ff11000008d62ca0 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80
[ 861.550123][ T44]
[ 861.550185][ T44] =============================================
[ 861.550185][ T44]
[ 984.404357][ T44] INFO: task kworker/u16:1:70 blocked for more than 245 seconds.
[ 984.404718][ T44] Not tainted 6.18.0-rc6-virtme #1
[ 984.404875][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 984.405108][ T44] task:kworker/u16:1 state:D stack:26496 pid:70 tgid:70 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 984.405435][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 984.405617][ T44] Call Trace:
[ 984.405722][ T44]
[ 984.405799][ T44] __schedule+0x88d/0x1b90
[ 984.405945][ T44] ? io_schedule_timeout+0x130/0x130
[ 984.406103][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 984.406246][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.406383][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.406518][ T44] schedule+0xd4/0x260
[ 984.406615][ T44] schedule_preempt_disabled+0x18/0x30
[ 984.406746][ T44] __mutex_lock+0x9ae/0x1500
[ 984.406883][ T44] ? addrconf_verify_work+0x12/0x30
[ 984.407016][ T44] ? ww_mutex_lock+0x160/0x160
[ 984.407144][ T44] ? process_one_work+0xd16/0x1390
[ 984.407271][ T44] ? trace_lock_acquire+0x88/0xd0
[ 984.407402][ T44] ? trace_lock_acquire+0x88/0xd0
[ 984.407533][ T44] ? addrconf_verify_work+0x12/0x30
[ 984.407659][ T44] addrconf_verify_work+0x12/0x30
[ 984.407784][ T44] process_one_work+0xd57/0x1390
[ 984.407914][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 984.408034][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 984.408152][ T44] ? assign_work+0x152/0x380
[ 984.408269][ T44] worker_thread+0x4d6/0xd40
[ 984.408392][ T44] ? process_one_work+0x1390/0x1390
[ 984.408514][ T44] ? __kthread_parkme+0xb3/0x200
[ 984.408635][ T44] ? process_one_work+0x1390/0x1390
[ 984.408750][ T44] kthread+0x355/0x5b0
[ 984.408838][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 984.408954][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.409068][ T44] ? rcu_is_watching+0x15/0xd0
[ 984.409185][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 984.409311][ T44] ret_from_fork+0x1d4/0x270
[ 984.409439][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 984.409563][ T44] ret_from_fork_asm+0x11/0x20
[ 984.409684][ T44]
[ 984.409798][ T44] INFO: task kworker/u16:1:70 is blocked on a mutex likely owned by task ip:6210.
[ 984.410002][ T44] INFO: task ip:6210 blocked for more than 245 seconds.
[ 984.410138][ T44] Not tainted 6.18.0-rc6-virtme #1
[ 984.410247][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 984.410447][ T44] task:ip state:D stack:25496 pid:6210 tgid:6210 ppid:6205 task_flags:0x400100 flags:0x00080001
[ 984.410708][ T44] Call Trace:
[ 984.410796][ T44]
[ 984.410855][ T44] __schedule+0x88d/0x1b90
[ 984.410974][ T44] ? io_schedule_timeout+0x130/0x130
[ 984.411097][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 984.411224][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.411345][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.411463][ T44] schedule+0xd4/0x260
[ 984.411556][ T44] schedule_preempt_disabled+0x18/0x30
[ 984.411671][ T44] __mutex_lock+0x9ae/0x1500
[ 984.411785][ T44] ? napi_enable+0x3b/0x80
[ 984.411904][ T44] ? virtqueue_add_inbuf_ctx+0x1850/0x1850
[ 984.412062][ T44] ? ww_mutex_lock+0x160/0x160
[ 984.412177][ T44] ? __asan_memset+0x27/0x50
[ 984.412296][ T44] ? sg_init_table+0x19/0x60
[ 984.412418][ T44] ? try_fill_recv+0x3ec/0x1750
[ 984.412543][ T44] ? napi_enable+0x3b/0x80
[ 984.412658][ T44] napi_enable+0x3b/0x80
[ 984.412746][ T44] __virtnet_rx_resume+0x156/0x290
[ 984.412862][ T44] ? queue_delayed_work_on+0x91/0x100
[ 984.412983][ T44] virtnet_rx_resume_all+0xe7/0x1a0
[ 984.413099][ T44] virtnet_xdp_set+0xef7/0x1aa0
[ 984.413219][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0
[ 984.413340][ T44] dev_xdp_install+0x3e4/0x8e0
[ 984.413459][ T44] ? netif_skb_check_for_xdp+0x600/0x600
[ 984.413582][ T44] dev_xdp_attach+0x50d/0x1330
[ 984.413700][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0
[ 984.413820][ T44] ? __bpf_prog_get+0x320/0x320
[ 984.413940][ T44] dev_change_xdp_fd+0x182/0x240
[ 984.414058][ T44] do_setlink.isra.0+0x1c2d/0x2880
[ 984.414177][ T44] ? rtnl_newlink_create+0x900/0x900
[ 984.414294][ T44] ? rcu_lockdep_current_cpu_online+0x3e/0x1b0
[ 984.414442][ T44] ? rcu_read_lock_any_held+0x41/0xa0
[ 984.414561][ T44] ? validate_chain+0x287/0x5f0
[ 984.414682][ T44] ? rcu_read_lock_any_held+0x6b/0xa0
[ 984.414796][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 984.414912][ T44] ? __lock_acquire+0x34c/0x740
[ 984.415032][ T44] ? trace_lock_acquire+0x88/0xd0
[ 984.415147][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 984.415262][ T44] ? lock_acquire+0x31/0x80
[ 984.415383][ T44] ? rtnl_newlink+0x5df/0xb20
[ 984.415506][ T44] ? rcu_is_watching+0x15/0xd0
[ 984.415621][ T44] ? rcu_is_watching+0x15/0xd0
[ 984.415737][ T44] ? trace_contention_end+0xd6/0x140
[ 984.415854][ T44] ? rtnl_newlink+0x5df/0xb20
[ 984.415967][ T44] ? __mutex_lock+0x32e/0x1500
[ 984.416091][ T44] ? ww_mutex_lock+0x160/0x160
[ 984.416206][ T44] ? nla_validate_int_range+0x5b0/0x5b0
[ 984.416330][ T44] ? __rtnl_newlink+0x3fa/0xa40
[ 984.416455][ T44] rtnl_newlink+0x637/0xb20
[ 984.416578][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 984.416698][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 984.416811][ T44] ? find_held_lock+0x2b/0x80
[ 984.416925][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 984.417041][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.417156][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 984.417281][ T44] rtnetlink_rcv_msg+0x6fe/0xb90
[ 984.417403][ T44] ? rtnl_port_fill+0x940/0x940
[ 984.417522][ T44] ? __lock_acquire+0x34c/0x740
[ 984.417638][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 984.417753][ T44] ? find_held_lock+0x2b/0x80
[ 984.417874][ T44] netlink_rcv_skb+0x123/0x380
[ 984.417993][ T44] ? rtnl_port_fill+0x940/0x940
[ 984.418115][ T44] ? netlink_ack+0xcc0/0xcc0
[ 984.418240][ T44] ? netlink_deliver_tap+0x13f/0x330
[ 984.418366][ T44] netlink_unicast+0x4a3/0x770
[ 984.418491][ T44] ? netlink_attachskb+0x810/0x810
[ 984.418609][ T44] ? __lock_acquire+0x34c/0x740
[ 984.418730][ T44] netlink_sendmsg+0x735/0xc60
[ 984.418849][ T44] ? netlink_unicast+0x770/0x770
[ 984.418967][ T44] ? __might_fault+0x97/0x140
[ 984.419086][ T44] ____sys_sendmsg+0x419/0x850
[ 984.419209][ T44] ? copy_msghdr_from_user+0x270/0x430
[ 984.419328][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0
[ 984.419484][ T44] ? move_addr_to_kernel+0x40/0x40
[ 984.419602][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 984.419718][ T44] ? validate_chain+0x287/0x5f0
[ 984.419836][ T44] ___sys_sendmsg+0xfd/0x180
[ 984.419954][ T44] ? __call_rcu_common.constprop.0+0xa5/0x680
[ 984.420102][ T44] ? copy_msghdr_from_user+0x430/0x430
[ 984.420230][ T44] __sys_sendmsg+0x124/0x1c0
[ 984.420353][ T44] ? __sys_sendmsg_sock+0x20/0x20
[ 984.420469][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 984.420588][ T44] ? __call_rcu_common.constprop.0+0x2fa/0x680
[ 984.420734][ T44] ? do_raw_spin_unlock+0x59/0x250
[ 984.420851][ T44] ? rcu_is_watching+0x15/0xd0
[ 984.420971][ T44] do_syscall_64+0xbb/0xfd0
[ 984.421088][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 984.421235][ T44] RIP: 0033:0x7f29322c6c5e
[ 984.421368][ T44] RSP: 002b:00007ffdfdcba910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 984.421551][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f29322c6c5e
[ 984.421730][ T44] RDX: 0000000000000000 RSI: 00007ffdfdcba9d0 RDI: 0000000000000003
[ 984.421906][ T44] RBP: 00007ffdfdcba920 R08: 0000000000000000 R09: 0000000000000000
[ 984.422081][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdfdcbb090
[ 984.422256][ T44] R13: 0000000069264a2a R14: 0000000000000000 R15: 0000000000499600
[ 984.422444][ T44]
[ 984.422539][ T44] INFO: task ip:6210 is blocked on a mutex likely owned by task kworker/2:0:28.
[ 984.422733][ T44] task:kworker/2:0 state:D stack:27512 pid:28 tgid:28 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 984.422995][ T44] Workqueue: events refill_work
[ 984.423111][ T44] Call Trace:
[ 984.423204][ T44]
[ 984.423265][ T44] __schedule+0x88d/0x1b90
[ 984.423390][ T44] ? mark_held_locks+0x40/0x70
[ 984.423517][ T44] ? io_schedule_timeout+0x130/0x130
[ 984.423634][ T44] ? usleep_range_state+0xba/0x1b0
[ 984.423755][ T44] ? find_held_lock+0x2b/0x80
[ 984.423874][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.423990][ T44] ? usleep_range_state+0xba/0x1b0
[ 984.424107][ T44] schedule+0xd4/0x260
[ 984.424195][ T44] ? schedule_hrtimeout_range_clock+0x1da/0x2f0
[ 984.424347][ T44] ? schedule_timeout_idle+0xe0/0xe0
[ 984.424464][ T44] ? hrtimer_cb_get_time+0x90/0x90
[ 984.424585][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 984.424700][ T44] ? ktime_get+0x15e/0x220
[ 984.424814][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 984.424929][ T44] ? ktime_get+0xa9/0x220
[ 984.425021][ T44] ? usleep_range_state+0x133/0x1b0
[ 984.425137][ T44] ? schedule_hrtimeout+0x20/0x20
[ 984.425251][ T44] ? __free_object+0x2ad/0x4b0
[ 984.425372][ T44] ? napi_disable_locked+0x379/0x5f0
[ 984.425489][ T44] ? _mutex_trylock_nest_lock+0x150/0x150
[ 984.425610][ T44] ? netdev_bind_sb_channel_queue+0x470/0x470
[ 984.425756][ T44] ? napi_disable+0x43/0x80
[ 984.425874][ T44] ? refill_work+0x116/0x210
[ 984.425991][ T44] ? process_one_work+0xd57/0x1390
[ 984.426111][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 984.426225][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 984.426346][ T44] ? assign_work+0x152/0x380
[ 984.426464][ T44] ? worker_thread+0x4d6/0xd40
[ 984.426589][ T44] ? process_one_work+0x1390/0x1390
[ 984.426709][ T44] ? kthread+0x355/0x5b0
[ 984.426796][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 984.426911][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.427028][ T44] ? rcu_is_watching+0x15/0xd0
[ 984.427143][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 984.427260][ T44] ? ret_from_fork+0x1d4/0x270
[ 984.427383][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 984.427503][ T44] ? ret_from_fork_asm+0x11/0x20
[ 984.427628][ T44]
[ 984.427718][ T44]
[ 984.427718][ T44] Showing all locks held in the system:
[ 984.427889][ T44] 3 locks held by kworker/2:0/28:
[ 984.428005][ T44] 1 lock held by khungtaskd/44:
[ 984.428116][ T44] #0: ffffffffbb178fc0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2b/0x1db
[ 984.428324][ T44] 3 locks held by kworker/u16:1/70:
[ 984.428436][ T44] #0: ff1100000926cd48 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 984.428671][ T44] #1: ffa00000004b7d30 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 984.428948][ T44] #2: ffffffffbb892a28 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 984.429154][ T44] 2 locks held by ip/6210:
[ 984.429269][ T44] #0: ffffffffbb892a28 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x5df/0xb20
[ 984.429475][ T44] #1: ff11000008d62ca0 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80
[ 984.429676][ T44]
[ 984.429734][ T44] =============================================
[ 984.429734][ T44]