[ 370.051929][ T44] INFO: task kworker/2:1:62 blocked for more than 122 seconds.
[ 370.052833][ T44] Not tainted 6.16.0-rc5-virtme #1
[ 370.053064][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 370.053459][ T44] task:kworker/2:1 state:D stack:27256 pid:62 tgid:62 ppid:2 task_flags:0x4208060 flags:0x00004000
[ 370.054022][ T44] Workqueue: events virtnet_rx_mode_work
[ 370.054275][ T44] Call Trace:
[ 370.054488][ T44]
[ 370.054629][ T44] __schedule+0x862/0x1b00
[ 370.054877][ T44] ? __pfx___schedule+0x10/0x10
[ 370.055140][ T44] ? schedule+0x1ee/0x270
[ 370.055317][ T44] ? __lock_release+0x5d/0x170
[ 370.055566][ T44] schedule+0xe2/0x270
[ 370.055769][ T44] schedule_preempt_disabled+0x18/0x30
[ 370.055996][ T44] __mutex_lock+0x77f/0xcd0
[ 370.056241][ T44] ? virtnet_rx_mode_work+0x145/0x860
[ 370.056480][ T44] ? __pfx___mutex_lock+0x10/0x10
[ 370.056734][ T44] ? mark_held_locks+0x49/0x80
[ 370.056985][ T44] ? lockdep_hardirqs_on+0x7c/0x110
[ 370.057236][ T44] ? rcu_is_watching+0x12/0xc0
[ 370.057493][ T44] ? trace_kmalloc+0x2a/0xe0
[ 370.057753][ T44] ? __kmalloc_cache_noprof+0x15f/0x360
[ 370.058007][ T44] ? virtnet_rx_mode_work+0x145/0x860
[ 370.058248][ T44] virtnet_rx_mode_work+0x145/0x860
[ 370.058489][ T44] ? __lock_acquire+0x44d/0x7e0
[ 370.058751][ T44] ? __pfx_virtnet_rx_mode_work+0x10/0x10
[ 370.059010][ T44] ? rcu_is_watching+0x12/0xc0
[ 370.059596][ T44] ? rcu_is_watching+0x12/0xc0
[ 370.059848][ T44] process_one_work+0xe40/0x1660
[ 370.060102][ T44] ? __pfx_process_one_work+0x10/0x10
[ 370.060347][ T44] ? assign_work+0x16c/0x240
[ 370.060593][ T44] worker_thread+0x591/0xcf0
[ 370.060855][ T44] ? __pfx_worker_thread+0x10/0x10
[ 370.061093][ T44] kthread+0x37e/0x600
[ 370.061275][ T44] ? __pfx_kthread+0x10/0x10
[ 370.061507][ T44] ? ret_from_fork+0x1b/0x320
[ 370.061755][ T44] ? __lock_release+0x5d/0x170
[ 370.061991][ T44] ? rcu_is_watching+0x12/0xc0
[ 370.062226][ T44] ? __pfx_kthread+0x10/0x10
[ 370.062464][ T44] ret_from_fork+0x240/0x320
[ 370.062710][ T44] ? __pfx_kthread+0x10/0x10
[ 370.062945][ T44] ret_from_fork_asm+0x1a/0x30
[ 370.063197][ T44]
[ 370.063416][ T44] INFO: task kworker/2:1:62 is blocked on a mutex likely owned by task ip:834.
[ 370.063849][ T44] task:ip state:D stack:25072 pid:834 tgid:834 ppid:831 task_flags:0x400100 flags:0x00004002
[ 370.064390][ T44] Call Trace:
[ 370.064572][ T44]
[ 370.064721][ T44] __schedule+0x862/0x1b00
[ 370.064971][ T44] ? __pfx___schedule+0x10/0x10
[ 370.065220][ T44] ? schedule+0x1ee/0x270
[ 370.065400][ T44] ? __lock_release+0x5d/0x170
[ 370.065645][ T44] schedule+0xe2/0x270
[ 370.065837][ T44] schedule_hrtimeout_range_clock+0x100/0x2d0
[ 370.066134][ T44] ? __pfx_schedule_hrtimeout_range_clock+0x10/0x10
[ 370.066425][ T44] ? find_held_lock+0x2b/0x80
[ 370.066668][ T44] ? __pfx_hrtimer_wakeup+0x10/0x10
[ 370.066918][ T44] ? ktime_get+0x178/0x200
[ 370.067157][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 370.067398][ T44] ? ktime_get+0xb8/0x200
[ 370.067588][ T44] usleep_range_state+0x141/0x1d0
[ 370.067860][ T44] ? __pfx_usleep_range_state+0x10/0x10
[ 370.068108][ T44] napi_disable_locked+0x3c0/0x5d0
[ 370.068354][ T44] ? __pfx_napi_disable_locked+0x10/0x10
[ 370.068603][ T44] napi_disable+0x43/0x80
[ 370.068803][ T44] virtnet_close+0x3b3/0x5c0
[ 370.069066][ T44] __dev_close_many+0x1ae/0x670
[ 370.069305][ T44] ? __pfx___dev_close_many+0x10/0x10
[ 370.069551][ T44] ? __local_bh_enable_ip+0xa9/0x130
[ 370.069805][ T44] __dev_change_flags+0x24e/0x6c0
[ 370.070061][ T44] ? __pfx___dev_change_flags+0x10/0x10
[ 370.070294][ T44] ? is_bpf_text_address+0x67/0x120
[ 370.070539][ T44] netif_change_flags+0x80/0x160
[ 370.070783][ T44] ? kernel_text_address+0xce/0xe0
[ 370.071105][ T44] do_setlink.constprop.0+0x98a/0x2650
[ 370.071347][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10
[ 370.071646][ T44] ? rcu_read_lock_any_held+0x43/0xb0
[ 370.071890][ T44] ? validate_chain+0x166/0x4d0
[ 370.072123][ T44] ? __kernel_text_address+0x12/0x40
[ 370.072361][ T44] ? __lock_acquire+0x44d/0x7e0
[ 370.072600][ T44] ? __mutex_trylock_common+0xf9/0x260
[ 370.072856][ T44] ? __pfx___mutex_trylock_common+0x10/0x10
[ 370.073173][ T44] ? rcu_is_watching+0x12/0xc0
[ 370.073415][ T44] ? rcu_is_watching+0x12/0xc0
[ 370.073655][ T44] ? trace_contention_end+0xdc/0x140
[ 370.073909][ T44] ? __mutex_lock+0x19c/0xcd0
[ 370.074161][ T44] ? find_held_lock+0x2b/0x80
[ 370.074396][ T44] ? rtnl_newlink+0x651/0xa60
[ 370.074627][ T44] ? __create_object+0x5e/0xb0
[ 370.074881][ T44] ? __pfx___mutex_lock+0x10/0x10
[ 370.075119][ T44] ? trace_cap_capable+0x10f/0x190
[ 370.075354][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80
[ 370.075643][ T44] ? __rtnl_newlink+0x40e/0xa40
[ 370.075894][ T44] rtnl_newlink+0x69a/0xa60
[ 370.076135][ T44] ? __pfx_rtnl_newlink+0x10/0x10
[ 370.076368][ T44] ? __lock_acquire+0x44d/0x7e0
[ 370.076613][ T44] ? find_held_lock+0x2b/0x80
[ 370.076864][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00
[ 370.077100][ T44] ? __lock_release+0x5d/0x170
[ 370.077337][ T44] ? __pfx_rtnl_newlink+0x10/0x10
[ 370.077570][ T44] rtnetlink_rcv_msg+0x713/0xc00
[ 370.077841][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 370.078086][ T44] ? __lock_acquire+0x44d/0x7e0
[ 370.078332][ T44] netlink_rcv_skb+0x121/0x350
[ 370.078580][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 370.078830][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 370.079094][ T44] ? netlink_deliver_tap+0x13e/0x340
[ 370.079330][ T44] ? netlink_deliver_tap+0xc3/0x340
[ 370.079565][ T44] netlink_unicast+0x4a1/0x780
[ 370.079812][ T44] ? __pfx_netlink_unicast+0x10/0x10
[ 370.080047][ T44] ? __lock_acquire+0x44d/0x7e0
[ 370.080294][ T44] netlink_sendmsg+0x721/0xbe0
[ 370.080534][ T44] ? __pfx_netlink_sendmsg+0x10/0x10
[ 370.080785][ T44] ? __import_iovec+0x238/0x3c0
[ 370.081031][ T44] ____sys_sendmsg+0x7aa/0xa10
[ 370.081268][ T44] ? __pfx_____sys_sendmsg+0x10/0x10
[ 370.081500][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 370.081814][ T44] ___sys_sendmsg+0xed/0x170
[ 370.082051][ T44] ? kasan_record_aux_stack+0x8c/0xa0
[ 370.082283][ T44] ? __call_rcu_common.constprop.0+0xa8/0x640
[ 370.082575][ T44] ? __pfx____sys_sendmsg+0x10/0x10
[ 370.082825][ T44] ? find_held_lock+0x2b/0x80
[ 370.083063][ T44] ? __lock_acquire+0x44d/0x7e0
[ 370.083303][ T44] ? find_held_lock+0x2b/0x80
[ 370.083537][ T44] ? __virt_addr_valid+0x22e/0x450
[ 370.083787][ T44] ? __lock_release+0x5d/0x170
[ 370.084029][ T44] __sys_sendmsg+0x10b/0x1a0
[ 370.084263][ T44] ? __call_rcu_common.constprop.0+0x320/0x640
[ 370.084553][ T44] ? __pfx___sys_sendmsg+0x10/0x10
[ 370.084817][ T44] ? rcu_is_watching+0x12/0xc0
[ 370.085054][ T44] do_syscall_64+0xc1/0x380
[ 370.085292][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 370.085586][ T44] RIP: 0033:0x7f4a7cd161e7
[ 370.085846][ T44] RSP: 002b:00007ffce4dcb248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 370.086204][ T44] RAX: ffffffffffffffda RBX: 00007ffce4dcb970 RCX: 00007f4a7cd161e7
[ 370.086554][ T44] RDX: 0000000000000000 RSI: 00007ffce4dcb2b0 RDI: 0000000000000003
[ 370.086921][ T44] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 370.087283][ T44] R10: 00007f4a7cc13ee8 R11: 0000000000000246 R12: 0000000000000003
[ 370.087654][ T44] R13: 0000000068760ce7 R14: 0000000000499600 R15: 0000000000000000
[ 370.088048][ T44]
[ 370.088243][ T44]
[ 370.088243][ T44] Showing all locks held in the system:
[ 370.088588][ T44] 3 locks held by kworker/u16:0/12:
[ 370.088843][ T44] #0: ffff88800933e548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1660
[ 370.089314][ T44] #1: ffffc900000c7d40 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1660
[ 370.089907][ T44] #2: ffffffffa9456648 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 370.090318][ T44] 1 lock held by khungtaskd/44:
[ 370.090549][ T44] #0: ffffffffa8b796e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x260
[ 370.090959][ T44] 3 locks held by kworker/2:1/62:
[ 370.091181][ T44] #0: ffff8880010a9548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1660
[ 370.091629][ T44] #1: ffffc90000437d40 ((work_completion)(&vi->rx_mode_work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1660
[ 370.092146][ T44] #2: ffffffffa9456648 (rtnl_mutex){+.+.}-{4:4}, at: virtnet_rx_mode_work+0x145/0x860
[ 370.092547][ T44] 2 locks held by ip/834:
[ 370.092732][ T44] #0: ffffffffa9456648 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x651/0xa60
[ 370.093132][ T44] #1: ffff888008e4ac80 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80
[ 370.093528][ T44]
[ 370.093652][ T44] =============================================
[ 370.093652][ T44]
[ 492.931829][ T44] INFO: task kworker/u16:0:12 blocked for more than 122 seconds.
[ 492.932342][ T44] Not tainted 6.16.0-rc5-virtme #1
[ 492.932573][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 492.932994][ T44] task:kworker/u16:0 state:D stack:26464 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00004000
[ 492.933546][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 492.933870][ T44] Call Trace:
[ 492.934055][ T44]
[ 492.934188][ T44] __schedule+0x862/0x1b00
[ 492.934444][ T44] ? __pfx___schedule+0x10/0x10
[ 492.934713][ T44] ? schedule+0x1ee/0x270
[ 492.934895][ T44] ? __lock_release+0x5d/0x170
[ 492.935159][ T44] schedule+0xe2/0x270
[ 492.935345][ T44] schedule_preempt_disabled+0x18/0x30
[ 492.935585][ T44] __mutex_lock+0x77f/0xcd0
[ 492.935837][ T44] ? validate_chain+0x166/0x4d0
[ 492.936082][ T44] ? addrconf_verify_work+0x12/0x30
[ 492.936324][ T44] ? __pfx___mutex_lock+0x10/0x10
[ 492.936575][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.936847][ T44] ? addrconf_verify_work+0x12/0x30
[ 492.937096][ T44] addrconf_verify_work+0x12/0x30
[ 492.937334][ T44] process_one_work+0xe40/0x1660
[ 492.937586][ T44] ? __pfx_process_one_work+0x10/0x10
[ 492.937846][ T44] ? assign_work+0x16c/0x240
[ 492.938092][ T44] worker_thread+0x591/0xcf0
[ 492.938339][ T44] ? __pfx_worker_thread+0x10/0x10
[ 492.938580][ T44] kthread+0x37e/0x600
[ 492.938777][ T44] ? __pfx_kthread+0x10/0x10
[ 492.939013][ T44] ? ret_from_fork+0x1b/0x320
[ 492.939252][ T44] ? __lock_release+0x5d/0x170
[ 492.939495][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.939748][ T44] ? __pfx_kthread+0x10/0x10
[ 492.939991][ T44] ret_from_fork+0x240/0x320
[ 492.940235][ T44] ? __pfx_kthread+0x10/0x10
[ 492.940477][ T44] ret_from_fork_asm+0x1a/0x30
[ 492.940755][ T44]
[ 492.940989][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task ip:834.
[ 492.941388][ T44] task:ip state:D stack:25072 pid:834 tgid:834 ppid:831 task_flags:0x400100 flags:0x00004002
[ 492.941929][ T44] Call Trace:
[ 492.942111][ T44]
[ 492.942239][ T44] __schedule+0x862/0x1b00
[ 492.942486][ T44] ? __pfx___schedule+0x10/0x10
[ 492.942763][ T44] ? schedule+0x1ee/0x270
[ 492.942945][ T44] ? __lock_release+0x5d/0x170
[ 492.943191][ T44] schedule+0xe2/0x270
[ 492.943374][ T44] schedule_hrtimeout_range_clock+0x100/0x2d0
[ 492.943677][ T44] ? __pfx_schedule_hrtimeout_range_clock+0x10/0x10
[ 492.943989][ T44] ? find_held_lock+0x2b/0x80
[ 492.944237][ T44] ? __pfx_hrtimer_wakeup+0x10/0x10
[ 492.944489][ T44] ? ktime_get+0x178/0x200
[ 492.944747][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 492.944989][ T44] ? ktime_get+0xb8/0x200
[ 492.945174][ T44] usleep_range_state+0x141/0x1d0
[ 492.945416][ T44] ? __pfx_usleep_range_state+0x10/0x10
[ 492.945662][ T44] napi_disable_locked+0x3c0/0x5d0
[ 492.945921][ T44] ? __pfx_napi_disable_locked+0x10/0x10
[ 492.946177][ T44] napi_disable+0x43/0x80
[ 492.946361][ T44] virtnet_close+0x3b3/0x5c0
[ 492.946620][ T44] __dev_close_many+0x1ae/0x670
[ 492.946892][ T44] ? __pfx___dev_close_many+0x10/0x10
[ 492.947136][ T44] ? __local_bh_enable_ip+0xa9/0x130
[ 492.947381][ T44] __dev_change_flags+0x24e/0x6c0
[ 492.947624][ T44] ? __pfx___dev_change_flags+0x10/0x10
[ 492.947873][ T44] ? is_bpf_text_address+0x67/0x120
[ 492.948144][ T44] netif_change_flags+0x80/0x160
[ 492.948384][ T44] ? kernel_text_address+0xce/0xe0
[ 492.948628][ T44] do_setlink.constprop.0+0x98a/0x2650
[ 492.948896][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10
[ 492.949204][ T44] ? rcu_read_lock_any_held+0x43/0xb0
[ 492.949444][ T44] ? validate_chain+0x166/0x4d0
[ 492.949704][ T44] ? __kernel_text_address+0x12/0x40
[ 492.949951][ T44] ? __lock_acquire+0x44d/0x7e0
[ 492.950195][ T44] ? __mutex_trylock_common+0xf9/0x260
[ 492.950437][ T44] ? __pfx___mutex_trylock_common+0x10/0x10
[ 492.950747][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.950989][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.951229][ T44] ? trace_contention_end+0xdc/0x140
[ 492.951481][ T44] ? __mutex_lock+0x19c/0xcd0
[ 492.951735][ T44] ? find_held_lock+0x2b/0x80
[ 492.951977][ T44] ? rtnl_newlink+0x651/0xa60
[ 492.952216][ T44] ? __create_object+0x5e/0xb0
[ 492.952462][ T44] ? __pfx___mutex_lock+0x10/0x10
[ 492.952713][ T44] ? trace_cap_capable+0x10f/0x190
[ 492.952956][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80
[ 492.953255][ T44] ? __rtnl_newlink+0x40e/0xa40
[ 492.953508][ T44] rtnl_newlink+0x69a/0xa60
[ 492.953768][ T44] ? __pfx_rtnl_newlink+0x10/0x10
[ 492.954012][ T44] ? __lock_acquire+0x44d/0x7e0
[ 492.954261][ T44] ? find_held_lock+0x2b/0x80
[ 492.954501][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00
[ 492.954752][ T44] ? __lock_release+0x5d/0x170
[ 492.954996][ T44] ? __pfx_rtnl_newlink+0x10/0x10
[ 492.955234][ T44] rtnetlink_rcv_msg+0x713/0xc00
[ 492.955485][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 492.955741][ T44] ? __lock_acquire+0x44d/0x7e0
[ 492.955988][ T44] netlink_rcv_skb+0x121/0x350
[ 492.956230][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 492.956472][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 492.956740][ T44] ? netlink_deliver_tap+0x13e/0x340
[ 492.956992][ T44] ? netlink_deliver_tap+0xc3/0x340
[ 492.957243][ T44] netlink_unicast+0x4a1/0x780
[ 492.957487][ T44] ? __pfx_netlink_unicast+0x10/0x10
[ 492.957740][ T44] ? __lock_acquire+0x44d/0x7e0
[ 492.957988][ T44] netlink_sendmsg+0x721/0xbe0
[ 492.958235][ T44] ? __pfx_netlink_sendmsg+0x10/0x10
[ 492.958475][ T44] ? __import_iovec+0x238/0x3c0
[ 492.958738][ T44] ____sys_sendmsg+0x7aa/0xa10
[ 492.958985][ T44] ? __pfx_____sys_sendmsg+0x10/0x10
[ 492.959226][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 492.959538][ T44] ___sys_sendmsg+0xed/0x170
[ 492.959791][ T44] ? kasan_record_aux_stack+0x8c/0xa0
[ 492.960033][ T44] ? __call_rcu_common.constprop.0+0xa8/0x640
[ 492.960335][ T44] ? __pfx____sys_sendmsg+0x10/0x10
[ 492.960579][ T44] ? find_held_lock+0x2b/0x80
[ 492.960836][ T44] ? __lock_acquire+0x44d/0x7e0
[ 492.961084][ T44] ? find_held_lock+0x2b/0x80
[ 492.961324][ T44] ? __virt_addr_valid+0x22e/0x450
[ 492.961562][ T44] ? __lock_release+0x5d/0x170
[ 492.961822][ T44] __sys_sendmsg+0x10b/0x1a0
[ 492.962061][ T44] ? __call_rcu_common.constprop.0+0x320/0x640
[ 492.962356][ T44] ? __pfx___sys_sendmsg+0x10/0x10
[ 492.962619][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.962876][ T44] do_syscall_64+0xc1/0x380
[ 492.963121][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 492.963418][ T44] RIP: 0033:0x7f4a7cd161e7
[ 492.963670][ T44] RSP: 002b:00007ffce4dcb248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 492.964042][ T44] RAX: ffffffffffffffda RBX: 00007ffce4dcb970 RCX: 00007f4a7cd161e7
[ 492.964408][ T44] RDX: 0000000000000000 RSI: 00007ffce4dcb2b0 RDI: 0000000000000003
[ 492.964777][ T44] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 492.965137][ T44] R10: 00007f4a7cc13ee8 R11: 0000000000000246 R12: 0000000000000003
[ 492.965497][ T44] R13: 0000000068760ce7 R14: 0000000000499600 R15: 0000000000000000
[ 492.965882][ T44]
[ 492.966090][ T44] INFO: task kworker/2:1:62 blocked for more than 245 seconds.
[ 492.966422][ T44] Not tainted 6.16.0-rc5-virtme #1
[ 492.966645][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 492.967060][ T44] task:kworker/2:1 state:D stack:27256 pid:62 tgid:62 ppid:2 task_flags:0x4208060 flags:0x00004000
[ 492.967595][ T44] Workqueue: events virtnet_rx_mode_work
[ 492.967854][ T44] Call Trace:
[ 492.968036][ T44]
[ 492.968162][ T44] __schedule+0x862/0x1b00
[ 492.968409][ T44] ? __pfx___schedule+0x10/0x10
[ 492.968660][ T44] ? schedule+0x1ee/0x270
[ 492.968849][ T44] ? __lock_release+0x5d/0x170
[ 492.969093][ T44] schedule+0xe2/0x270
[ 492.969277][ T44] schedule_preempt_disabled+0x18/0x30
[ 492.969521][ T44] __mutex_lock+0x77f/0xcd0
[ 492.969773][ T44] ? virtnet_rx_mode_work+0x145/0x860
[ 492.970015][ T44] ? __pfx___mutex_lock+0x10/0x10
[ 492.970250][ T44] ? mark_held_locks+0x49/0x80
[ 492.970495][ T44] ? lockdep_hardirqs_on+0x7c/0x110
[ 492.970753][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.970993][ T44] ? trace_kmalloc+0x2a/0xe0
[ 492.971234][ T44] ? __kmalloc_cache_noprof+0x15f/0x360
[ 492.971484][ T44] ? virtnet_rx_mode_work+0x145/0x860
[ 492.971733][ T44] virtnet_rx_mode_work+0x145/0x860
[ 492.971970][ T44] ? __lock_acquire+0x44d/0x7e0
[ 492.972215][ T44] ? __pfx_virtnet_rx_mode_work+0x10/0x10
[ 492.972459][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.972710][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.972955][ T44] process_one_work+0xe40/0x1660
[ 492.973208][ T44] ? __pfx_process_one_work+0x10/0x10
[ 492.973458][ T44] ? assign_work+0x16c/0x240
[ 492.973712][ T44] worker_thread+0x591/0xcf0
[ 492.973963][ T44] ? __pfx_worker_thread+0x10/0x10
[ 492.974205][ T44] kthread+0x37e/0x600
[ 492.974389][ T44] ? __pfx_kthread+0x10/0x10
[ 492.974626][ T44] ? ret_from_fork+0x1b/0x320
[ 492.974884][ T44] ? __lock_release+0x5d/0x170
[ 492.975127][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.975366][ T44] ? __pfx_kthread+0x10/0x10
[ 492.975608][ T44] ret_from_fork+0x240/0x320
[ 492.975863][ T44] ? __pfx_kthread+0x10/0x10
[ 492.976104][ T44] ret_from_fork_asm+0x1a/0x30
[ 492.976360][ T44]
[ 492.976564][ T44] INFO: task kworker/2:1:62 is blocked on a mutex likely owned by task ip:834.
[ 492.976978][ T44] task:ip state:D stack:25072 pid:834 tgid:834 ppid:831 task_flags:0x400100 flags:0x00004002
[ 492.977508][ T44] Call Trace:
[ 492.977700][ T44]
[ 492.977828][ T44] ? __schedule+0x862/0x1b00
[ 492.978078][ T44] ? __pfx___schedule+0x10/0x10
[ 492.978329][ T44] ? schedule+0x1ee/0x270
[ 492.978509][ T44] ? __lock_release+0x5d/0x170
[ 492.978825][ T44] ? schedule+0xe2/0x270
[ 492.979009][ T44] ? schedule_hrtimeout_range_clock+0x100/0x2d0
[ 492.979309][ T44] ? __pfx_schedule_hrtimeout_range_clock+0x10/0x10
[ 492.979608][ T44] ? find_held_lock+0x2b/0x80
[ 492.979873][ T44] ? __pfx_hrtimer_wakeup+0x10/0x10
[ 492.980120][ T44] ? ktime_get+0x178/0x200
[ 492.980363][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 492.980610][ T44] ? ktime_get+0xb8/0x200
[ 492.980810][ T44] ? usleep_range_state+0x141/0x1d0
[ 492.981054][ T44] ? __pfx_usleep_range_state+0x10/0x10
[ 492.981302][ T44] ? napi_disable_locked+0x3c0/0x5d0
[ 492.981544][ T44] ? __pfx_napi_disable_locked+0x10/0x10
[ 492.981813][ T44] ? napi_disable+0x43/0x80
[ 492.982051][ T44] ? virtnet_close+0x3b3/0x5c0
[ 492.982305][ T44] ? __dev_close_many+0x1ae/0x670
[ 492.982549][ T44] ? __pfx___dev_close_many+0x10/0x10
[ 492.982806][ T44] ? __local_bh_enable_ip+0xa9/0x130
[ 492.983051][ T44] ? __dev_change_flags+0x24e/0x6c0
[ 492.983296][ T44] ? __pfx___dev_change_flags+0x10/0x10
[ 492.983535][ T44] ? is_bpf_text_address+0x67/0x120
[ 492.983800][ T44] ? netif_change_flags+0x80/0x160
[ 492.984043][ T44] ? kernel_text_address+0xce/0xe0
[ 492.984286][ T44] ? do_setlink.constprop.0+0x98a/0x2650
[ 492.984531][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10
[ 492.984844][ T44] ? rcu_read_lock_any_held+0x43/0xb0
[ 492.985085][ T44] ? validate_chain+0x166/0x4d0
[ 492.985325][ T44] ? __kernel_text_address+0x12/0x40
[ 492.985574][ T44] ? __lock_acquire+0x44d/0x7e0
[ 492.985828][ T44] ? __mutex_trylock_common+0xf9/0x260
[ 492.986069][ T44] ? __pfx___mutex_trylock_common+0x10/0x10
[ 492.986365][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.986602][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.986867][ T44] ? trace_contention_end+0xdc/0x140
[ 492.987108][ T44] ? __mutex_lock+0x19c/0xcd0
[ 492.987354][ T44] ? find_held_lock+0x2b/0x80
[ 492.987597][ T44] ? rtnl_newlink+0x651/0xa60
[ 492.987849][ T44] ? __create_object+0x5e/0xb0
[ 492.988093][ T44] ? __pfx___mutex_lock+0x10/0x10
[ 492.988538][ T44] ? trace_cap_capable+0x10f/0x190
[ 492.988790][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80
[ 492.989088][ T44] ? __rtnl_newlink+0x40e/0xa40
[ 492.989335][ T44] ? rtnl_newlink+0x69a/0xa60
[ 492.989589][ T44] ? __pfx_rtnl_newlink+0x10/0x10
[ 492.989838][ T44] ? __lock_acquire+0x44d/0x7e0
[ 492.990083][ T44] ? find_held_lock+0x2b/0x80
[ 492.990323][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00
[ 492.990720][ T44] ? __lock_release+0x5d/0x170
[ 492.990965][ T44] ? __pfx_rtnl_newlink+0x10/0x10
[ 492.991205][ T44] ? rtnetlink_rcv_msg+0x713/0xc00
[ 492.991449][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 492.991751][ T44] ? __lock_acquire+0x44d/0x7e0
[ 492.991998][ T44] ? netlink_rcv_skb+0x121/0x350
[ 492.992239][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 492.992480][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 492.992822][ T44] ? netlink_deliver_tap+0x13e/0x340
[ 492.993065][ T44] ? netlink_deliver_tap+0xc3/0x340
[ 492.993317][ T44] ? netlink_unicast+0x4a1/0x780
[ 492.993561][ T44] ? __pfx_netlink_unicast+0x10/0x10
[ 492.993855][ T44] ? __lock_acquire+0x44d/0x7e0
[ 492.994104][ T44] ? netlink_sendmsg+0x721/0xbe0
[ 492.994350][ T44] ? __pfx_netlink_sendmsg+0x10/0x10
[ 492.994590][ T44] ? __import_iovec+0x238/0x3c0
[ 492.994909][ T44] ? ____sys_sendmsg+0x7aa/0xa10
[ 492.995152][ T44] ? __pfx_____sys_sendmsg+0x10/0x10
[ 492.995396][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 492.995721][ T44] ? ___sys_sendmsg+0xed/0x170
[ 492.996106][ T44] ? kasan_record_aux_stack+0x8c/0xa0
[ 492.996345][ T44] ? __call_rcu_common.constprop.0+0xa8/0x640
[ 492.996644][ T44] ? __pfx____sys_sendmsg+0x10/0x10
[ 492.997054][ T44] ? find_held_lock+0x2b/0x80
[ 492.997298][ T44] ? __lock_acquire+0x44d/0x7e0
[ 492.997563][ T44] ? find_held_lock+0x2b/0x80
[ 492.997814][ T44] ? __virt_addr_valid+0x22e/0x450
[ 492.998059][ T44] ? __lock_release+0x5d/0x170
[ 492.998450][ T44] ? __sys_sendmsg+0x10b/0x1a0
[ 492.998702][ T44] ? __call_rcu_common.constprop.0+0x320/0x640
[ 492.998998][ T44] ? __pfx___sys_sendmsg+0x10/0x10
[ 492.999395][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.999642][ T44] ? do_syscall_64+0xc1/0x380
[ 492.999895][ T44] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 493.000209][ T44]
[ 493.000400][ T44]
[ 493.000400][ T44] Showing all locks held in the system:
[ 493.000753][ T44] 3 locks held by kworker/u16:0/12:
[ 493.000984][ T44] #0: ffff88800933e548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1660
[ 493.001604][ T44] #1: ffffc900000c7d40 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1660
[ 493.002186][ T44] #2: ffffffffa9456648 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 493.002747][ T44] 1 lock held by khungtaskd/44:
[ 493.002975][ T44] #0: ffffffffa8b796e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x260
[ 493.003389][ T44] 3 locks held by kworker/2:1/62:
[ 493.003766][ T44] #0: ffff8880010a9548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1660
[ 493.004225][ T44] #1: ffffc90000437d40 ((work_completion)(&vi->rx_mode_work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1660
[ 493.004749][ T44] #2: ffffffffa9456648 (rtnl_mutex){+.+.}-{4:4}, at: virtnet_rx_mode_work+0x145/0x860
[ 493.005167][ T44] 2 locks held by ip/834:
[ 493.005339][ T44] #0: ffffffffa9456648 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x651/0xa60
[ 493.005892][ T44] #1: ffff888008e4ac80 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80
[ 493.006302][ T44]
[ 493.006418][ T44] =============================================
[ 493.006418][ T44]