[ 861.544837][ T44] INFO: task kworker/u16:0:12 blocked for more than 122 seconds.
[ 861.545252][ T44] Not tainted 6.19.0-rc1-virtme #1
[ 861.545390][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 861.545647][ T44] task:kworker/u16:0 state:D stack:26832 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 861.545971][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 861.546150][ T44] Call Trace:
[ 861.546270][ T44]
[ 861.546348][ T44] __schedule+0xae2/0x1720
[ 861.546492][ T44] ? io_schedule_timeout+0x130/0x130
[ 861.546623][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.546762][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.546908][ T44] schedule+0xd4/0x260
[ 861.547012][ T44] schedule_preempt_disabled+0x18/0x30
[ 861.547151][ T44] __mutex_lock+0xd76/0x1f20
[ 861.547283][ T44] ? addrconf_verify_work+0x12/0x30
[ 861.547413][ T44] ? ww_mutex_lock+0x160/0x160
[ 861.547540][ T44] ? process_one_work+0xd16/0x1390
[ 861.547681][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.547803][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.547939][ T44] ? addrconf_verify_work+0x12/0x30
[ 861.548061][ T44] addrconf_verify_work+0x12/0x30
[ 861.548194][ T44] process_one_work+0xd57/0x1390
[ 861.548314][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 861.548436][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.548556][ T44] ? assign_work+0x152/0x380
[ 861.548678][ T44] worker_thread+0x4d6/0xd40
[ 861.548812][ T44] ? process_one_work+0x1390/0x1390
[ 861.548938][ T44] kthread+0x355/0x5b0
[ 861.549396][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.549514][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.549642][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.549758][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.549883][ T44] ret_from_fork+0x3fb/0x510
[ 861.550005][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 861.550170][ T44] ? __switch_to+0x53c/0xd00
[ 861.550296][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.550424][ T44] ret_from_fork_asm+0x11/0x20
[ 861.550550][ T44]
[ 861.550656][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task ip:6076.
[ 861.550871][ T44] INFO: task ip:6076 blocked for more than 122 seconds.
[ 861.551004][ T44] Not tainted 6.19.0-rc1-virtme #1
[ 861.551125][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 861.551331][ T44] task:ip state:D stack:24976 pid:6076 tgid:6076 ppid:6071 task_flags:0x400100 flags:0x00080000
[ 861.551593][ T44] Call Trace:
[ 861.551681][ T44]
[ 861.551742][ T44] __schedule+0xae2/0x1720
[ 861.551871][ T44] ? io_schedule_timeout+0x130/0x130
[ 861.551994][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.552118][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.552242][ T44] schedule+0xd4/0x260
[ 861.552336][ T44] schedule_preempt_disabled+0x18/0x30
[ 861.552452][ T44] __mutex_lock+0xd76/0x1f20
[ 861.552577][ T44] ? __folio_put+0x1f5/0x320
[ 861.552698][ T44] ? napi_enable+0x3b/0x80
[ 861.552822][ T44] ? ww_mutex_lock+0x160/0x160
[ 861.552941][ T44] ? dma_map_phys+0x1b1/0x220
[ 861.553067][ T44] ? __asan_memset+0x27/0x50
[ 861.553187][ T44] ? sg_init_table+0x19/0x60
[ 861.553312][ T44] ? try_fill_recv+0x3ec/0x1750
[ 861.553429][ T44] ? napi_enable+0x3b/0x80
[ 861.553550][ T44] napi_enable+0x3b/0x80
[ 861.553637][ T44] __virtnet_rx_resume+0x156/0x290
[ 861.553758][ T44] ? queue_delayed_work_on+0x91/0x100
[ 861.553885][ T44] virtnet_rx_resume_all+0xe7/0x1a0
[ 861.554008][ T44] virtnet_xdp_set+0xef7/0x1aa0
[ 861.554135][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0
[ 861.554291][ T44] dev_xdp_install+0x3e4/0x890
[ 861.554415][ T44] ? netif_set_xps_queue+0x40/0x40
[ 861.554533][ T44] dev_xdp_attach+0x50d/0x1310
[ 861.554654][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0
[ 861.554772][ T44] ? __bpf_prog_get+0x320/0x320
[ 861.554900][ T44] dev_change_xdp_fd+0x176/0x210
[ 861.555016][ T44] do_setlink.isra.0+0x1c2d/0x2880
[ 861.555146][ T44] ? rtnl_newlink_create+0x900/0x900
[ 861.555265][ T44] ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 861.555419][ T44] ? rcu_read_lock_any_held+0x3c/0x90
[ 861.555535][ T44] ? validate_chain+0x37b/0xb70
[ 861.555657][ T44] ? rcu_read_lock_any_held+0x66/0x90
[ 861.555772][ T44] ? stack_depot_save_flags+0x3f1/0x6f0
[ 861.555898][ T44] ? __lock_acquire+0x577/0xc10
[ 861.556022][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.556142][ T44] ? rtnl_newlink+0x6fc/0xe90
[ 861.556262][ T44] ? lock_acquire+0x10a/0x150
[ 861.556383][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.556497][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.556618][ T44] ? trace_contention_end+0xd6/0x110
[ 861.556734][ T44] ? __mutex_lock+0x285/0x1f20
[ 861.556858][ T44] ? rtnl_newlink+0x6fc/0xe90
[ 861.556978][ T44] ? ww_mutex_lock+0x160/0x160
[ 861.557096][ T44] ? nla_get_range_signed+0x3d0/0x3d0
[ 861.557218][ T44] ? __rtnl_newlink+0x3fa/0xa40
[ 861.557342][ T44] rtnl_newlink+0x75c/0xe90
[ 861.557461][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.557582][ T44] ? rtnl_setlink+0x880/0x880
[ 861.557697][ T44] ? __lock_acquire+0x577/0xc10
[ 861.557822][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.557940][ T44] ? find_held_lock+0x2b/0x80
[ 861.558061][ T44] ? rtnl_setlink+0x880/0x880
[ 861.558179][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.558300][ T44] ? rtnl_setlink+0x880/0x880
[ 861.558416][ T44] rtnetlink_rcv_msg+0x6fe/0xb90
[ 861.558538][ T44] ? rtnl_fdb_dump+0x620/0x620
[ 861.558652][ T44] ? __lock_acquire+0x577/0xc10
[ 861.558777][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.558897][ T44] ? find_held_lock+0x2b/0x80
[ 861.559013][ T44] netlink_rcv_skb+0x123/0x380
[ 861.559136][ T44] ? rtnl_fdb_dump+0x620/0x620
[ 861.559253][ T44] ? netlink_ack+0xcc0/0xcc0
[ 861.559378][ T44] ? netlink_deliver_tap+0xc5/0x330
[ 861.559491][ T44] ? netlink_deliver_tap+0x13f/0x330
[ 861.559619][ T44] netlink_unicast+0x4a3/0x770
[ 861.559735][ T44] ? netlink_attachskb+0x810/0x810
[ 861.559858][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.559974][ T44] ? __lock_acquire+0x577/0xc10
[ 861.560096][ T44] netlink_sendmsg+0x735/0xc60
[ 861.560215][ T44] ? netlink_unicast+0x770/0x770
[ 861.560339][ T44] ____sys_sendmsg+0x419/0x850
[ 861.560455][ T44] ? copy_msghdr_from_user+0x270/0x430
[ 861.560582][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0
[ 861.560721][ T44] ? move_addr_to_kernel+0x40/0x40
[ 861.560847][ T44] ? stack_depot_save_flags+0x3f1/0x6f0
[ 861.560962][ T44] ? rcu_read_lock_any_held+0x3c/0x90
[ 861.561085][ T44] ___sys_sendmsg+0xfd/0x180
[ 861.561205][ T44] ? __call_rcu_common.constprop.0+0xa6/0xa00
[ 861.561360][ T44] ? copy_msghdr_from_user+0x430/0x430
[ 861.561485][ T44] __sys_sendmsg+0x124/0x1c0
[ 861.561608][ T44] ? __sys_sendmsg_sock+0x20/0x20
[ 861.561722][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 861.561847][ T44] ? __call_rcu_common.constprop.0+0x3bd/0xa00
[ 861.561992][ T44] ? do_raw_spin_unlock+0x59/0x250
[ 861.562113][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.562236][ T44] do_syscall_64+0xbd/0xfc0
[ 861.562358][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 861.562504][ T44] RIP: 0033:0x7f46f5200c5e
[ 861.562638][ T44] RSP: 002b:00007ffe5baeb270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 861.562814][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f46f5200c5e
[ 861.562999][ T44] RDX: 0000000000000000 RSI: 00007ffe5baeb330 RDI: 0000000000000003
[ 861.563182][ T44] RBP: 00007ffe5baeb280 R08: 0000000000000000 R09: 0000000000000000
[ 861.563368][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe5baeb9f0
[ 861.563542][ T44] R13: 000000006951ca8b R14: 0000000000000000 R15: 0000000000499600
[ 861.563731][ T44]
[ 861.563819][ T44] INFO: task ip:6076 is blocked on a mutex likely owned by task kworker/3:0:33.
[ 861.564018][ T44] task:kworker/3:0 state:D stack:28064 pid:33 tgid:33 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 861.564281][ T44] Workqueue: events refill_work
[ 861.564398][ T44] Call Trace:
[ 861.564493][ T44]
[ 861.564556][ T44] __schedule+0xae2/0x1720
[ 861.564675][ T44] ? usleep_range_state+0xba/0x1b0
[ 861.564803][ T44] ? io_schedule_timeout+0x130/0x130
[ 861.564933][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.565051][ T44] ? usleep_range_state+0xba/0x1b0
[ 861.565175][ T44] schedule+0xd4/0x260
[ 861.565262][ T44] schedule_hrtimeout_range_clock+0x1da/0x2f0
[ 861.565416][ T44] ? schedule_timeout_idle+0xe0/0xe0
[ 861.565532][ T44] ? __hrtimer_cb_get_time+0x50/0x50
[ 861.565655][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 861.565770][ T44] ? ktime_get+0x15e/0x220
[ 861.565896][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 861.566011][ T44] ? ktime_get+0xa9/0x220
[ 861.566106][ T44] usleep_range_state+0x133/0x1b0
[ 861.566226][ T44] ? schedule_hrtimeout+0x20/0x20
[ 861.566348][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 861.566469][ T44] ? refill_work+0x149/0x210
[ 861.566591][ T44] napi_disable_locked+0x379/0x5f0
[ 861.566707][ T44] ? _mutex_trylock_nest_lock+0x340/0x340
[ 861.566833][ T44] ? register_netdevice_notifier_net+0x40/0x40
[ 861.566978][ T44] napi_disable+0x43/0x80
[ 861.567073][ T44] refill_work+0x116/0x210
[ 861.567195][ T44] process_one_work+0xd57/0x1390
[ 861.567326][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 861.567440][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.567563][ T44] ? assign_work+0x152/0x380
[ 861.567679][ T44] worker_thread+0x4d6/0xd40
[ 861.567803][ T44] ? process_one_work+0x1390/0x1390
[ 861.567924][ T44] kthread+0x355/0x5b0
[ 861.568011][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.568138][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.568257][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.568379][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.568494][ T44] ret_from_fork+0x3fb/0x510
[ 861.568617][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 861.568760][ T44] ? __switch_to+0x53c/0xd00
[ 861.568884][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.568998][ T44] ret_from_fork_asm+0x11/0x20
[ 861.569128][ T44]
[ 861.569223][ T44]
[ 861.569223][ T44] Showing all locks held in the system:
[ 861.569402][ T44] 3 locks held by kworker/u16:0/12:
[ 861.569516][ T44] #0: ff110000091bf148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 861.569752][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 861.570113][ T44] #2: ffffffffb0e85768 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 861.570327][ T44] 3 locks held by kworker/3:0/33:
[ 861.570435][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 861.570661][ T44] #1: ffa0000000257cc0 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 861.570920][ T44] #2: ff11000008adac98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80
[ 861.571126][ T44] 1 lock held by khungtaskd/44:
[ 861.571243][ T44] #0: ffffffffb0771040 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 861.571482][ T44] 2 locks held by ip/6076:
[ 861.571591][ T44] #0: ffffffffb0e85768 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x6fc/0xe90
[ 861.571793][ T44] #1: ff11000008adac98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80
[ 861.571999][ T44]
[ 861.572060][ T44] =============================================
[ 861.572060][ T44]
[ 984.424845][ T44] INFO: task kworker/u16:0:12 blocked for more than 245 seconds.
[ 984.425108][ T44] Not tainted 6.19.0-rc1-virtme #1
[ 984.425245][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 984.425474][ T44] task:kworker/u16:0 state:D stack:26832 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 984.425775][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 984.425955][ T44] Call Trace:
[ 984.426056][ T44]
[ 984.426127][ T44] __schedule+0xae2/0x1720
[ 984.426272][ T44] ? io_schedule_timeout+0x130/0x130
[ 984.426408][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.426542][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.426665][ T44] schedule+0xd4/0x260
[ 984.426768][ T44] schedule_preempt_disabled+0x18/0x30
[ 984.426906][ T44] __mutex_lock+0xd76/0x1f20
[ 984.427033][ T44] ? addrconf_verify_work+0x12/0x30
[ 984.427166][ T44] ? ww_mutex_lock+0x160/0x160
[ 984.427297][ T44] ? process_one_work+0xd16/0x1390
[ 984.427434][ T44] ? rcu_is_watching+0x15/0xd0
[ 984.427555][ T44] ? rcu_is_watching+0x15/0xd0
[ 984.427684][ T44] ? addrconf_verify_work+0x12/0x30
[ 984.427804][ T44] addrconf_verify_work+0x12/0x30
[ 984.427932][ T44] process_one_work+0xd57/0x1390
[ 984.428058][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 984.428183][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 984.428303][ T44] ? assign_work+0x152/0x380
[ 984.428427][ T44] worker_thread+0x4d6/0xd40
[ 984.428546][ T44] ? process_one_work+0x1390/0x1390
[ 984.428666][ T44] kthread+0x355/0x5b0
[ 984.428755][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 984.428886][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.429001][ T44] ? rcu_is_watching+0x15/0xd0
[ 984.429122][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 984.429243][ T44] ret_from_fork+0x3fb/0x510
[ 984.429364][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 984.429505][ T44] ? __switch_to+0x53c/0xd00
[ 984.429626][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 984.429741][ T44] ret_from_fork_asm+0x11/0x20
[ 984.429872][ T44]
[ 984.429965][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task ip:6076.
[ 984.430165][ T44] INFO: task ip:6076 blocked for more than 245 seconds.
[ 984.430296][ T44] Not tainted 6.19.0-rc1-virtme #1
[ 984.430411][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 984.430599][ T44] task:ip state:D stack:24976 pid:6076 tgid:6076 ppid:6071 task_flags:0x400100 flags:0x00080000
[ 984.430858][ T44] Call Trace:
[ 984.430943][ T44]
[ 984.431002][ T44] __schedule+0xae2/0x1720
[ 984.431125][ T44] ? io_schedule_timeout+0x130/0x130
[ 984.431240][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.431365][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.431485][ T44] schedule+0xd4/0x260
[ 984.431577][ T44] schedule_preempt_disabled+0x18/0x30
[ 984.431693][ T44] __mutex_lock+0xd76/0x1f20
[ 984.431820][ T44] ? __folio_put+0x1f5/0x320
[ 984.431942][ T44] ? napi_enable+0x3b/0x80
[ 984.432058][ T44] ? ww_mutex_lock+0x160/0x160
[ 984.432180][ T44] ? dma_map_phys+0x1b1/0x220
[ 984.432306][ T44] ? __asan_memset+0x27/0x50
[ 984.432427][ T44] ? sg_init_table+0x19/0x60
[ 984.432546][ T44] ? try_fill_recv+0x3ec/0x1750
[ 984.432668][ T44] ? napi_enable+0x3b/0x80
[ 984.432786][ T44] napi_enable+0x3b/0x80
[ 984.432882][ T44] __virtnet_rx_resume+0x156/0x290
[ 984.432998][ T44] ? queue_delayed_work_on+0x91/0x100
[ 984.433121][ T44] virtnet_rx_resume_all+0xe7/0x1a0
[ 984.433240][ T44] virtnet_xdp_set+0xef7/0x1aa0
[ 984.433364][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0
[ 984.433477][ T44] dev_xdp_install+0x3e4/0x890
[ 984.433604][ T44] ? netif_set_xps_queue+0x40/0x40
[ 984.433722][ T44] dev_xdp_attach+0x50d/0x1310
[ 984.433850][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0
[ 984.433965][ T44] ? __bpf_prog_get+0x320/0x320
[ 984.434090][ T44] dev_change_xdp_fd+0x176/0x210
[ 984.434203][ T44] do_setlink.isra.0+0x1c2d/0x2880
[ 984.434325][ T44] ? rtnl_newlink_create+0x900/0x900
[ 984.434439][ T44] ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 984.434589][ T44] ? rcu_read_lock_any_held+0x3c/0x90
[ 984.434704][ T44] ? validate_chain+0x37b/0xb70
[ 984.434832][ T44] ? rcu_read_lock_any_held+0x66/0x90
[ 984.434952][ T44] ? stack_depot_save_flags+0x3f1/0x6f0
[ 984.435071][ T44] ? __lock_acquire+0x577/0xc10
[ 984.435188][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 984.435311][ T44] ? rtnl_newlink+0x6fc/0xe90
[ 984.435423][ T44] ? lock_acquire+0x10a/0x150
[ 984.435542][ T44] ? rcu_is_watching+0x15/0xd0
[ 984.435656][ T44] ? rcu_is_watching+0x15/0xd0
[ 984.435785][ T44] ? trace_contention_end+0xd6/0x110
[ 984.435909][ T44] ? __mutex_lock+0x285/0x1f20
[ 984.436026][ T44] ? rtnl_newlink+0x6fc/0xe90
[ 984.436149][ T44] ? ww_mutex_lock+0x160/0x160
[ 984.436265][ T44] ? nla_get_range_signed+0x3d0/0x3d0
[ 984.436388][ T44] ? __rtnl_newlink+0x3fa/0xa40
[ 984.436503][ T44] rtnl_newlink+0x75c/0xe90
[ 984.436625][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.436741][ T44] ? rtnl_setlink+0x880/0x880
[ 984.436865][ T44] ? __lock_acquire+0x577/0xc10
[ 984.436980][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 984.437100][ T44] ? find_held_lock+0x2b/0x80
[ 984.437214][ T44] ? rtnl_setlink+0x880/0x880
[ 984.437334][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.437447][ T44] ? rtnl_setlink+0x880/0x880
[ 984.437571][ T44] rtnetlink_rcv_msg+0x6fe/0xb90
[ 984.437686][ T44] ? rtnl_fdb_dump+0x620/0x620
[ 984.437815][ T44] ? __lock_acquire+0x577/0xc10
[ 984.437941][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 984.438055][ T44] ? find_held_lock+0x2b/0x80
[ 984.438178][ T44] netlink_rcv_skb+0x123/0x380
[ 984.438291][ T44] ? rtnl_fdb_dump+0x620/0x620
[ 984.438415][ T44] ? netlink_ack+0xcc0/0xcc0
[ 984.438534][ T44] ? netlink_deliver_tap+0xc5/0x330
[ 984.438651][ T44] ? netlink_deliver_tap+0x13f/0x330
[ 984.438765][ T44] netlink_unicast+0x4a3/0x770
[ 984.438893][ T44] ? netlink_attachskb+0x810/0x810
[ 984.439007][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 984.439127][ T44] ? __lock_acquire+0x577/0xc10
[ 984.439242][ T44] netlink_sendmsg+0x735/0xc60
[ 984.439368][ T44] ? netlink_unicast+0x770/0x770
[ 984.439487][ T44] ____sys_sendmsg+0x419/0x850
[ 984.439608][ T44] ? copy_msghdr_from_user+0x270/0x430
[ 984.439723][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0
[ 984.439890][ T44] ? move_addr_to_kernel+0x40/0x40
[ 984.440005][ T44] ? stack_depot_save_flags+0x3f1/0x6f0
[ 984.440125][ T44] ? rcu_read_lock_any_held+0x3c/0x90
[ 984.440241][ T44] ___sys_sendmsg+0xfd/0x180
[ 984.440361][ T44] ? __call_rcu_common.constprop.0+0xa6/0xa00
[ 984.440504][ T44] ? copy_msghdr_from_user+0x430/0x430
[ 984.440637][ T44] __sys_sendmsg+0x124/0x1c0
[ 984.440750][ T44] ? __sys_sendmsg_sock+0x20/0x20
[ 984.440877][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 984.440988][ T44] ? __call_rcu_common.constprop.0+0x3bd/0xa00
[ 984.441144][ T44] ? do_raw_spin_unlock+0x59/0x250
[ 984.441258][ T44] ? rcu_is_watching+0x15/0xd0
[ 984.441380][ T44] do_syscall_64+0xbd/0xfc0
[ 984.441494][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 984.441641][ T44] RIP: 0033:0x7f46f5200c5e
[ 984.441761][ T44] RSP: 002b:00007ffe5baeb270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 984.441948][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f46f5200c5e
[ 984.442128][ T44] RDX: 0000000000000000 RSI: 00007ffe5baeb330 RDI: 0000000000000003
[ 984.442307][ T44] RBP: 00007ffe5baeb280 R08: 0000000000000000 R09: 0000000000000000
[ 984.442477][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe5baeb9f0
[ 984.442654][ T44] R13: 000000006951ca8b R14: 0000000000000000 R15: 0000000000499600
[ 984.442848][ T44]
[ 984.442935][ T44] INFO: task ip:6076 is blocked on a mutex likely owned by task kworker/3:0:33.
[ 984.443128][ T44] task:kworker/3:0 state:D stack:28064 pid:33 tgid:33 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 984.443379][ T44] Workqueue: events refill_work
[ 984.443495][ T44] Call Trace:
[ 984.443594][ T44]
[ 984.443653][ T44] __schedule+0xae2/0x1720
[ 984.443770][ T44] ? usleep_range_state+0xba/0x1b0
[ 984.443897][ T44] ? io_schedule_timeout+0x130/0x130
[ 984.444012][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.444137][ T44] ? usleep_range_state+0xba/0x1b0
[ 984.444250][ T44] schedule+0xd4/0x260
[ 984.444343][ T44] schedule_hrtimeout_range_clock+0x1da/0x2f0
[ 984.444489][ T44] ? schedule_timeout_idle+0xe0/0xe0
[ 984.444611][ T44] ? __hrtimer_cb_get_time+0x50/0x50
[ 984.444726][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 984.444849][ T44] ? ktime_get+0x15e/0x220
[ 984.444961][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 984.445086][ T44] ? ktime_get+0xa9/0x220
[ 984.445177][ T44] usleep_range_state+0x133/0x1b0
[ 984.445302][ T44] ? schedule_hrtimeout+0x20/0x20
[ 984.445423][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 984.445543][ T44] ? refill_work+0x149/0x210
[ 984.445660][ T44] napi_disable_locked+0x379/0x5f0
[ 984.445782][ T44] ? _mutex_trylock_nest_lock+0x340/0x340
[ 984.445907][ T44] ? register_netdevice_notifier_net+0x40/0x40
[ 984.446053][ T44] napi_disable+0x43/0x80
[ 984.446145][ T44] refill_work+0x116/0x210
[ 984.446264][ T44] process_one_work+0xd57/0x1390
[ 984.446390][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 984.446504][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 984.446628][ T44] ? assign_work+0x152/0x380
[ 984.446743][ T44] worker_thread+0x4d6/0xd40
[ 984.446876][ T44] ? process_one_work+0x1390/0x1390
[ 984.446993][ T44] kthread+0x355/0x5b0
[ 984.447085][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 984.447199][ T44] ? __lock_release.isra.0+0x59/0x170
[ 984.447323][ T44] ? rcu_is_watching+0x15/0xd0
[ 984.447437][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 984.447559][ T44] ret_from_fork+0x3fb/0x510
[ 984.447672][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 984.447832][ T44] ? __switch_to+0x53c/0xd00
[ 984.447947][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 984.448067][ T44] ret_from_fork_asm+0x11/0x20
[ 984.448186][ T44]
[ 984.448281][ T44]
[ 984.448281][ T44] Showing all locks held in the system:
[ 984.448445][ T44] 3 locks held by kworker/u16:0/12:
[ 984.448564][ T44] #0: ff110000091bf148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 984.448800][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 984.449159][ T44] #2: ffffffffb0e85768 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 984.449361][ T44] 3 locks held by kworker/3:0/33:
[ 984.449470][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 984.449704][ T44] #1: ffa0000000257cc0 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 984.449964][ T44] #2: ff11000008adac98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80
[ 984.450159][ T44] 1 lock held by khungtaskd/44:
[ 984.450275][ T44] #0: ffffffffb0771040 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 984.450515][ T44] 2 locks held by ip/6076:
[ 984.450628][ T44] #0: ffffffffb0e85768 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x6fc/0xe90
[ 984.450841][ T44] #1: ff11000008adac98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80
[ 984.451046][ T44]
[ 984.451102][ T44] =============================================
[ 984.451102][ T44]