[ 370.094550][ T44] INFO: task kworker/0:2:201 blocked for more than 122 seconds.
[ 370.095177][ T44] Not tainted 6.16.0-rc5-virtme #1
[ 370.095458][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 370.095942][ T44] task:kworker/0:2 state:D stack:28160 pid:201 tgid:201 ppid:2 task_flags:0x4208060 flags:0x00004000
[ 370.096492][ T44] Workqueue: events virtnet_rx_mode_work
[ 370.096753][ T44] Call Trace:
[ 370.096937][ T44]
[ 370.097075][ T44] __schedule+0x862/0x1b00
[ 370.097471][ T44] ? __pfx___schedule+0x10/0x10
[ 370.097899][ T44] ? schedule+0x1ee/0x270
[ 370.098201][ T44] ? __lock_release+0x5d/0x170
[ 370.098631][ T44] schedule+0xe2/0x270
[ 370.098923][ T44] schedule_preempt_disabled+0x18/0x30
[ 370.099318][ T44] __mutex_lock+0x77f/0xcd0
[ 370.099725][ T44] ? virtnet_rx_mode_work+0x145/0x860
[ 370.100107][ T44] ? __pfx___mutex_lock+0x10/0x10
[ 370.100353][ T44] ? mark_held_locks+0x49/0x80
[ 370.100713][ T44] ? lockdep_hardirqs_on+0x7c/0x110
[ 370.100963][ T44] ? rcu_is_watching+0x12/0xc0
[ 370.101207][ T44] ? trace_kmalloc+0x2a/0xe0
[ 370.101461][ T44] ? __kmalloc_cache_noprof+0x15f/0x360
[ 370.101873][ T44] ? virtnet_rx_mode_work+0x145/0x860
[ 370.102142][ T44] virtnet_rx_mode_work+0x145/0x860
[ 370.102385][ T44] ? __lock_acquire+0x44d/0x7e0
[ 370.102657][ T44] ? __pfx_virtnet_rx_mode_work+0x10/0x10
[ 370.102900][ T44] ? rcu_is_watching+0x12/0xc0
[ 370.103138][ T44] ? rcu_is_watching+0x12/0xc0
[ 370.103441][ T44] process_one_work+0xe40/0x1660
[ 370.103718][ T44] ? __pfx_process_one_work+0x10/0x10
[ 370.104252][ T44] ? assign_work+0x16c/0x240
[ 370.104543][ T44] worker_thread+0x591/0xcf0
[ 370.104814][ T44] ? __pfx_worker_thread+0x10/0x10
[ 370.105073][ T44] kthread+0x37e/0x600
[ 370.105275][ T44] ? __pfx_kthread+0x10/0x10
[ 370.105557][ T44] ? ret_from_fork+0x1b/0x320
[ 370.105822][ T44] ? __lock_release+0x5d/0x170
[ 370.106086][ T44] ? rcu_is_watching+0x12/0xc0
[ 370.106359][ T44] ? __pfx_kthread+0x10/0x10
[ 370.106644][ T44] ret_from_fork+0x240/0x320
[ 370.106902][ T44] ? __pfx_kthread+0x10/0x10
[ 370.107162][ T44] ret_from_fork_asm+0x1a/0x30
[ 370.107468][ T44]
[ 370.107731][ T44] INFO: task kworker/0:2:201 is blocked on a mutex likely owned by task ip:840.
[ 370.108287][ T44] task:ip state:D stack:25248 pid:840 tgid:840 ppid:837 task_flags:0x400100 flags:0x00004002
[ 370.108946][ T44] Call Trace:
[ 370.109147][ T44]
[ 370.109336][ T44] __schedule+0x862/0x1b00
[ 370.109652][ T44] ? __pfx___schedule+0x10/0x10
[ 370.109983][ T44] ? schedule+0x1ee/0x270
[ 370.110227][ T44] ? __lock_release+0x5d/0x170
[ 370.110515][ T44] schedule+0xe2/0x270
[ 370.110774][ T44] schedule_hrtimeout_range_clock+0x100/0x2d0
[ 370.111122][ T44] ? __pfx_schedule_hrtimeout_range_clock+0x10/0x10
[ 370.111493][ T44] ? find_held_lock+0x2b/0x80
[ 370.111824][ T44] ? __pfx_hrtimer_wakeup+0x10/0x10
[ 370.112141][ T44] ? ktime_get+0x178/0x200
[ 370.112409][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 370.112753][ T44] ? ktime_get+0xb8/0x200
[ 370.113022][ T44] usleep_range_state+0x141/0x1d0
[ 370.113439][ T44] ? __pfx_usleep_range_state+0x10/0x10
[ 370.113873][ T44] napi_disable_locked+0x3c0/0x5d0
[ 370.114282][ T44] ? __pfx_napi_disable_locked+0x10/0x10
[ 370.114731][ T44] napi_disable+0x43/0x80
[ 370.115054][ T44] virtnet_close+0x3b3/0x5c0
[ 370.115499][ T44] __dev_close_many+0x1ab/0x670
[ 370.115936][ T44] ? preempt_schedule_common+0x44/0xb0
[ 370.116455][ T44] ? __pfx___dev_close_many+0x10/0x10
[ 370.116899][ T44] __dev_change_flags+0x24e/0x6c0
[ 370.117335][ T44] ? __pfx___dev_change_flags+0x10/0x10
[ 370.117776][ T44] ? is_bpf_text_address+0x67/0x120
[ 370.118226][ T44] netif_change_flags+0x80/0x160
[ 370.118666][ T44] ? kernel_text_address+0xce/0xe0
[ 370.119108][ T44] do_setlink.constprop.0+0x98a/0x2650
[ 370.119558][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10
[ 370.120102][ T44] ? rcu_read_lock_any_held+0x43/0xb0
[ 370.120516][ T44] ? validate_chain+0x166/0x4d0
[ 370.120902][ T44] ? __kernel_text_address+0x12/0x40
[ 370.121240][ T44] ? __lock_acquire+0x44d/0x7e0
[ 370.121556][ T44] ? __mutex_trylock_common+0xf9/0x260
[ 370.121966][ T44] ? __pfx___mutex_trylock_common+0x10/0x10
[ 370.122332][ T44] ? rcu_is_watching+0x12/0xc0
[ 370.122641][ T44] ? rcu_is_watching+0x12/0xc0
[ 370.122901][ T44] ? trace_contention_end+0xdc/0x140
[ 370.123160][ T44] ? __mutex_lock+0x19c/0xcd0
[ 370.123428][ T44] ? find_held_lock+0x2b/0x80
[ 370.123699][ T44] ? rtnl_newlink+0x651/0xa60
[ 370.123968][ T44] ? __create_object+0x5e/0xb0
[ 370.124311][ T44] ? __pfx___mutex_lock+0x10/0x10
[ 370.124650][ T44] ? trace_cap_capable+0x10f/0x190
[ 370.124970][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80
[ 370.125344][ T44] ? __rtnl_newlink+0x40e/0xa40
[ 370.125643][ T44] rtnl_newlink+0x69a/0xa60
[ 370.125966][ T44] ? __pfx_rtnl_newlink+0x10/0x10
[ 370.126227][ T44] ? __lock_acquire+0x44d/0x7e0
[ 370.126522][ T44] ? find_held_lock+0x2b/0x80
[ 370.126846][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00
[ 370.127126][ T44] ? __lock_release+0x5d/0x170
[ 370.127388][ T44] ? __pfx_rtnl_newlink+0x10/0x10
[ 370.127674][ T44] rtnetlink_rcv_msg+0x710/0xc00
[ 370.127937][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 370.128204][ T44] ? __lock_acquire+0x44d/0x7e0
[ 370.128484][ T44] netlink_rcv_skb+0x121/0x350
[ 370.128755][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 370.129016][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 370.129286][ T44] ? netlink_deliver_tap+0x13e/0x340
[ 370.129567][ T44] ? netlink_deliver_tap+0xc3/0x340
[ 370.129827][ T44] netlink_unicast+0x4a1/0x780
[ 370.130087][ T44] ? __pfx_netlink_unicast+0x10/0x10
[ 370.130341][ T44] ? __lock_acquire+0x44d/0x7e0
[ 370.130631][ T44] netlink_sendmsg+0x721/0xbe0
[ 370.130894][ T44] ? __pfx_netlink_sendmsg+0x10/0x10
[ 370.131154][ T44] ? __import_iovec+0x238/0x3c0
[ 370.131435][ T44] ____sys_sendmsg+0x7ad/0xa10
[ 370.131854][ T44] ? __pfx_____sys_sendmsg+0x10/0x10
[ 370.132211][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 370.132571][ T44] ___sys_sendmsg+0xed/0x170
[ 370.132836][ T44] ? kasan_record_aux_stack+0x8c/0xa0
[ 370.133096][ T44] ? __call_rcu_common.constprop.0+0xa8/0x640
[ 370.133415][ T44] ? __pfx____sys_sendmsg+0x10/0x10
[ 370.133719][ T44] ? find_held_lock+0x2b/0x80
[ 370.134051][ T44] ? __lock_acquire+0x44d/0x7e0
[ 370.134317][ T44] ? find_held_lock+0x2b/0x80
[ 370.134597][ T44] ? __virt_addr_valid+0x22e/0x450
[ 370.134863][ T44] ? __lock_release+0x5d/0x170
[ 370.135130][ T44] __sys_sendmsg+0x10b/0x1a0
[ 370.135388][ T44] ? __call_rcu_common.constprop.0+0x320/0x640
[ 370.135815][ T44] ? __pfx___sys_sendmsg+0x10/0x10
[ 370.136095][ T44] ? rcu_is_watching+0x12/0xc0
[ 370.136354][ T44] do_syscall_64+0xc1/0x380
[ 370.136633][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 370.137040][ T44] RIP: 0033:0x7f4d2b83b1e7
[ 370.137326][ T44] RSP: 002b:00007ffd6577e438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 370.137804][ T44] RAX: ffffffffffffffda RBX: 00007ffd6577eb60 RCX: 00007f4d2b83b1e7
[ 370.138246][ T44] RDX: 0000000000000000 RSI: 00007ffd6577e4a0 RDI: 0000000000000003
[ 370.138678][ T44] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 370.139155][ T44] R10: 00007f4d2b738ee8 R11: 0000000000000246 R12: 0000000000000003
[ 370.139599][ T44] R13: 0000000068784191 R14: 0000000000499600 R15: 0000000000000000
[ 370.140031][ T44]
[ 370.140276][ T44]
[ 370.140276][ T44] Showing all locks held in the system:
[ 370.140684][ T44] 3 locks held by kworker/u16:0/12:
[ 370.140945][ T44] #0: ffff8880092ee548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1660
[ 370.141600][ T44] #1: ffffc900000c7d40 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1660
[ 370.142313][ T44] #2: ffffffffa8856228 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 370.142848][ T44] 1 lock held by khungtaskd/44:
[ 370.143123][ T44] #0: ffffffffa7f796e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x260
[ 370.143673][ T44] 3 locks held by kworker/0:2/201:
[ 370.143961][ T44] #0: ffff8880010a9548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1660
[ 370.144537][ T44] #1: ffffc90000a97d40 ((work_completion)(&vi->rx_mode_work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1660
[ 370.145223][ T44] #2: ffffffffa8856228 (rtnl_mutex){+.+.}-{4:4}, at: virtnet_rx_mode_work+0x145/0x860
[ 370.145818][ T44] 2 locks held by ip/840:
[ 370.146055][ T44] #0: ffffffffa8856228 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x651/0xa60
[ 370.146601][ T44] #1: ffff888008e42c80 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80
[ 370.147105][ T44]
[ 370.147270][ T44] =============================================
[ 370.147270][ T44]
[ 492.974498][ T44] INFO: task kworker/u16:0:12 blocked for more than 122 seconds.
[ 492.974991][ T44] Not tainted 6.16.0-rc5-virtme #1
[ 492.975236][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 492.975684][ T44] task:kworker/u16:0 state:D stack:27744 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00004000
[ 492.976261][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 492.976604][ T44] Call Trace:
[ 492.976795][ T44]
[ 492.976930][ T44] __schedule+0x862/0x1b00
[ 492.977189][ T44] ? __pfx___schedule+0x10/0x10
[ 492.977461][ T44] ? schedule+0x1ee/0x270
[ 492.977651][ T44] ? __lock_release+0x5d/0x170
[ 492.977919][ T44] schedule+0xe2/0x270
[ 492.978111][ T44] schedule_preempt_disabled+0x18/0x30
[ 492.978363][ T44] __mutex_lock+0x77f/0xcd0
[ 492.978626][ T44] ? validate_chain+0x166/0x4d0
[ 492.978880][ T44] ? addrconf_verify_work+0x12/0x30
[ 492.979132][ T44] ? __pfx___mutex_lock+0x10/0x10
[ 492.979393][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.979663][ T44] ? addrconf_verify_work+0x12/0x30
[ 492.979920][ T44] addrconf_verify_work+0x12/0x30
[ 492.980167][ T44] process_one_work+0xe40/0x1660
[ 492.980442][ T44] ? __pfx_process_one_work+0x10/0x10
[ 492.980705][ T44] ? assign_work+0x16c/0x240
[ 492.980977][ T44] worker_thread+0x591/0xcf0
[ 492.981239][ T44] ? __pfx_worker_thread+0x10/0x10
[ 492.981505][ T44] kthread+0x37e/0x600
[ 492.981706][ T44] ? __pfx_kthread+0x10/0x10
[ 492.981955][ T44] ? ret_from_fork+0x1b/0x320
[ 492.982208][ T44] ? __lock_release+0x5d/0x170
[ 492.982470][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.982720][ T44] ? __pfx_kthread+0x10/0x10
[ 492.982975][ T44] ret_from_fork+0x240/0x320
[ 492.983222][ T44] ? __pfx_kthread+0x10/0x10
[ 492.983484][ T44] ret_from_fork_asm+0x1a/0x30
[ 492.983759][ T44]
[ 492.983990][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task ip:840.
[ 492.984468][ T44] task:ip state:D stack:25248 pid:840 tgid:840 ppid:837 task_flags:0x400100 flags:0x00004002
[ 492.985072][ T44] Call Trace:
[ 492.985252][ T44]
[ 492.985376][ T44] __schedule+0x862/0x1b00
[ 492.985633][ T44] ? __pfx___schedule+0x10/0x10
[ 492.985888][ T44] ? schedule+0x1ee/0x270
[ 492.986066][ T44] ? __lock_release+0x5d/0x170
[ 492.986312][ T44] schedule+0xe2/0x270
[ 492.986503][ T44] schedule_hrtimeout_range_clock+0x100/0x2d0
[ 492.986798][ T44] ? __pfx_schedule_hrtimeout_range_clock+0x10/0x10
[ 492.987096][ T44] ? find_held_lock+0x2b/0x80
[ 492.987346][ T44] ? __pfx_hrtimer_wakeup+0x10/0x10
[ 492.987602][ T44] ? ktime_get+0x178/0x200
[ 492.987845][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 492.988082][ T44] ? ktime_get+0xb8/0x200
[ 492.988264][ T44] usleep_range_state+0x141/0x1d0
[ 492.988510][ T44] ? __pfx_usleep_range_state+0x10/0x10
[ 492.988758][ T44] napi_disable_locked+0x3c0/0x5d0
[ 492.988999][ T44] ? __pfx_napi_disable_locked+0x10/0x10
[ 492.989252][ T44] napi_disable+0x43/0x80
[ 492.989448][ T44] virtnet_close+0x3b3/0x5c0
[ 492.989698][ T44] __dev_close_many+0x1ab/0x670
[ 492.989972][ T44] ? preempt_schedule_common+0x44/0xb0
[ 492.990216][ T44] ? __pfx___dev_close_many+0x10/0x10
[ 492.990498][ T44] __dev_change_flags+0x24e/0x6c0
[ 492.990745][ T44] ? __pfx___dev_change_flags+0x10/0x10
[ 492.991005][ T44] ? is_bpf_text_address+0x67/0x120
[ 492.991254][ T44] netif_change_flags+0x80/0x160
[ 492.991503][ T44] ? kernel_text_address+0xce/0xe0
[ 492.991748][ T44] do_setlink.constprop.0+0x98a/0x2650
[ 492.991991][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10
[ 492.992295][ T44] ? rcu_read_lock_any_held+0x43/0xb0
[ 492.992546][ T44] ? validate_chain+0x166/0x4d0
[ 492.992808][ T44] ? __kernel_text_address+0x12/0x40
[ 492.993058][ T44] ? __lock_acquire+0x44d/0x7e0
[ 492.993302][ T44] ? __mutex_trylock_common+0xf9/0x260
[ 492.993557][ T44] ? __pfx___mutex_trylock_common+0x10/0x10
[ 492.993852][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.994090][ T44] ? rcu_is_watching+0x12/0xc0
[ 492.994328][ T44] ? trace_contention_end+0xdc/0x140
[ 492.994583][ T44] ? __mutex_lock+0x19c/0xcd0
[ 492.994822][ T44] ? find_held_lock+0x2b/0x80
[ 492.995062][ T44] ? rtnl_newlink+0x651/0xa60
[ 492.995300][ T44] ? __create_object+0x5e/0xb0
[ 492.995561][ T44] ? __pfx___mutex_lock+0x10/0x10
[ 492.995803][ T44] ? trace_cap_capable+0x10f/0x190
[ 492.996048][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80
[ 492.996341][ T44] ? __rtnl_newlink+0x40e/0xa40
[ 492.996606][ T44] rtnl_newlink+0x69a/0xa60
[ 492.996853][ T44] ? __pfx_rtnl_newlink+0x10/0x10
[ 492.997097][ T44] ? __lock_acquire+0x44d/0x7e0
[ 492.997341][ T44] ? find_held_lock+0x2b/0x80
[ 492.997596][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00
[ 492.997842][ T44] ? __lock_release+0x5d/0x170
[ 492.998082][ T44] ? __pfx_rtnl_newlink+0x10/0x10
[ 492.998317][ T44] rtnetlink_rcv_msg+0x710/0xc00
[ 492.998575][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 492.998817][ T44] ? __lock_acquire+0x44d/0x7e0
[ 492.999059][ T44] netlink_rcv_skb+0x121/0x350
[ 492.999294][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 492.999546][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 492.999796][ T44] ? netlink_deliver_tap+0x13e/0x340
[ 493.000032][ T44] ? netlink_deliver_tap+0xc3/0x340
[ 493.000277][ T44] netlink_unicast+0x4a1/0x780
[ 493.000532][ T44] ? __pfx_netlink_unicast+0x10/0x10
[ 493.000781][ T44] ? __lock_acquire+0x44d/0x7e0
[ 493.001034][ T44] netlink_sendmsg+0x721/0xbe0
[ 493.001278][ T44] ? __pfx_netlink_sendmsg+0x10/0x10
[ 493.001529][ T44] ? __import_iovec+0x238/0x3c0
[ 493.001778][ T44] ____sys_sendmsg+0x7ad/0xa10
[ 493.002026][ T44] ? __pfx_____sys_sendmsg+0x10/0x10
[ 493.002264][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 493.002584][ T44] ___sys_sendmsg+0xed/0x170
[ 493.002820][ T44] ? kasan_record_aux_stack+0x8c/0xa0
[ 493.003060][ T44] ? __call_rcu_common.constprop.0+0xa8/0x640
[ 493.003359][ T44] ? __pfx____sys_sendmsg+0x10/0x10
[ 493.003611][ T44] ? find_held_lock+0x2b/0x80
[ 493.003860][ T44] ? __lock_acquire+0x44d/0x7e0
[ 493.004105][ T44] ? find_held_lock+0x2b/0x80
[ 493.004344][ T44] ? __virt_addr_valid+0x22e/0x450
[ 493.004591][ T44] ? __lock_release+0x5d/0x170
[ 493.004838][ T44] __sys_sendmsg+0x10b/0x1a0
[ 493.005081][ T44] ? __call_rcu_common.constprop.0+0x320/0x640
[ 493.005380][ T44] ? __pfx___sys_sendmsg+0x10/0x10
[ 493.005647][ T44] ? rcu_is_watching+0x12/0xc0
[ 493.005887][ T44] do_syscall_64+0xc1/0x380
[ 493.006126][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 493.006438][ T44] RIP: 0033:0x7f4d2b83b1e7
[ 493.006685][ T44] RSP: 002b:00007ffd6577e438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 493.007044][ T44] RAX: ffffffffffffffda RBX: 00007ffd6577eb60 RCX: 00007f4d2b83b1e7
[ 493.007403][ T44] RDX: 0000000000000000 RSI: 00007ffd6577e4a0 RDI: 0000000000000003
[ 493.007771][ T44] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 493.008179][ T44] R10: 00007f4d2b738ee8 R11: 0000000000000246 R12: 0000000000000003
[ 493.008565][ T44] R13: 0000000068784191 R14: 0000000000499600 R15: 0000000000000000
[ 493.008948][ T44]
[ 493.009155][ T44] INFO: task kworker/0:2:201 blocked for more than 245 seconds.
[ 493.009503][ T44] Not tainted 6.16.0-rc5-virtme #1
[ 493.009733][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 493.010119][ T44] task:kworker/0:2 state:D stack:28160 pid:201 tgid:201 ppid:2 task_flags:0x4208060 flags:0x00004000
[ 493.010660][ T44] Workqueue: events virtnet_rx_mode_work
[ 493.010929][ T44] Call Trace:
[ 493.011108][ T44]
[ 493.011236][ T44] __schedule+0x862/0x1b00
[ 493.011492][ T44] ? __pfx___schedule+0x10/0x10
[ 493.011747][ T44] ? schedule+0x1ee/0x270
[ 493.011931][ T44] ? __lock_release+0x5d/0x170
[ 493.012180][ T44] schedule+0xe2/0x270
[ 493.012359][ T44] schedule_preempt_disabled+0x18/0x30
[ 493.012613][ T44] __mutex_lock+0x77f/0xcd0
[ 493.012853][ T44] ? virtnet_rx_mode_work+0x145/0x860
[ 493.013095][ T44] ? __pfx___mutex_lock+0x10/0x10
[ 493.013334][ T44] ? mark_held_locks+0x49/0x80
[ 493.013587][ T44] ? lockdep_hardirqs_on+0x7c/0x110
[ 493.013833][ T44] ? rcu_is_watching+0x12/0xc0
[ 493.014074][ T44] ? trace_kmalloc+0x2a/0xe0
[ 493.014324][ T44] ? __kmalloc_cache_noprof+0x15f/0x360
[ 493.014581][ T44] ? virtnet_rx_mode_work+0x145/0x860
[ 493.014817][ T44] virtnet_rx_mode_work+0x145/0x860
[ 493.015052][ T44] ? __lock_acquire+0x44d/0x7e0
[ 493.015300][ T44] ? __pfx_virtnet_rx_mode_work+0x10/0x10
[ 493.015551][ T44] ? rcu_is_watching+0x12/0xc0
[ 493.015792][ T44] ? rcu_is_watching+0x12/0xc0
[ 493.016039][ T44] process_one_work+0xe40/0x1660
[ 493.016289][ T44] ? __pfx_process_one_work+0x10/0x10
[ 493.016547][ T44] ? assign_work+0x16c/0x240
[ 493.016792][ T44] worker_thread+0x591/0xcf0
[ 493.017036][ T44] ? __pfx_worker_thread+0x10/0x10
[ 493.017278][ T44] kthread+0x37e/0x600
[ 493.017471][ T44] ? __pfx_kthread+0x10/0x10
[ 493.017708][ T44] ? ret_from_fork+0x1b/0x320
[ 493.017953][ T44] ? __lock_release+0x5d/0x170
[ 493.018189][ T44] ? rcu_is_watching+0x12/0xc0
[ 493.018438][ T44] ? __pfx_kthread+0x10/0x10
[ 493.018676][ T44] ret_from_fork+0x240/0x320
[ 493.018910][ T44] ? __pfx_kthread+0x10/0x10
[ 493.019145][ T44] ret_from_fork_asm+0x1a/0x30
[ 493.019396][ T44]
[ 493.019613][ T44] INFO: task kworker/0:2:201 is blocked on a mutex likely owned by task ip:840.
[ 493.020047][ T44] task:ip state:D stack:25248 pid:840 tgid:840 ppid:837 task_flags:0x400100 flags:0x00004002
[ 493.020579][ T44] Call Trace:
[ 493.020782][ T44]
[ 493.020913][ T44] __schedule+0x862/0x1b00
[ 493.021157][ T44] ? __pfx___schedule+0x10/0x10
[ 493.021409][ T44] ? schedule+0x1ee/0x270
[ 493.021600][ T44] ? __lock_release+0x5d/0x170
[ 493.021852][ T44] schedule+0xe2/0x270
[ 493.022032][ T44] schedule_hrtimeout_range_clock+0x100/0x2d0
[ 493.022326][ T44] ? __pfx_schedule_hrtimeout_range_clock+0x10/0x10
[ 493.022630][ T44] ? find_held_lock+0x2b/0x80
[ 493.022871][ T44] ? __pfx_hrtimer_wakeup+0x10/0x10
[ 493.023112][ T44] ? ktime_get+0x178/0x200
[ 493.023350][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 493.023609][ T44] ? ktime_get+0xb8/0x200
[ 493.023793][ T44] usleep_range_state+0x141/0x1d0
[ 493.024034][ T44] ? __pfx_usleep_range_state+0x10/0x10
[ 493.024279][ T44] napi_disable_locked+0x3c0/0x5d0
[ 493.024534][ T44] ? __pfx_napi_disable_locked+0x10/0x10
[ 493.024779][ T44] napi_disable+0x43/0x80
[ 493.024960][ T44] virtnet_close+0x3b3/0x5c0
[ 493.025216][ T44] __dev_close_many+0x1ab/0x670
[ 493.025467][ T44] ? preempt_schedule_common+0x44/0xb0
[ 493.025705][ T44] ? __pfx___dev_close_many+0x10/0x10
[ 493.025949][ T44] __dev_change_flags+0x24e/0x6c0
[ 493.026193][ T44] ? __pfx___dev_change_flags+0x10/0x10
[ 493.026441][ T44] ? is_bpf_text_address+0x67/0x120
[ 493.026686][ T44] netif_change_flags+0x80/0x160
[ 493.026930][ T44] ? kernel_text_address+0xce/0xe0
[ 493.027172][ T44] do_setlink.constprop.0+0x98a/0x2650
[ 493.027415][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10
[ 493.027731][ T44] ? rcu_read_lock_any_held+0x43/0xb0
[ 493.027969][ T44] ? validate_chain+0x166/0x4d0
[ 493.028202][ T44] ? __kernel_text_address+0x12/0x40
[ 493.028450][ T44] ? __lock_acquire+0x44d/0x7e0
[ 493.028700][ T44] ? __mutex_trylock_common+0xf9/0x260
[ 493.028940][ T44] ? __pfx___mutex_trylock_common+0x10/0x10
[ 493.029236][ T44] ? rcu_is_watching+0x12/0xc0
[ 493.029486][ T44] ? rcu_is_watching+0x12/0xc0
[ 493.029726][ T44] ? trace_contention_end+0xdc/0x140
[ 493.030165][ T44] ? __mutex_lock+0x19c/0xcd0
[ 493.030406][ T44] ? find_held_lock+0x2b/0x80
[ 493.030667][ T44] ? rtnl_newlink+0x651/0xa60
[ 493.030916][ T44] ? __create_object+0x5e/0xb0
[ 493.031158][ T44] ? __pfx___mutex_lock+0x10/0x10
[ 493.031397][ T44] ? trace_cap_capable+0x10f/0x190
[ 493.031651][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80
[ 493.031947][ T44] ? __rtnl_newlink+0x40e/0xa40
[ 493.032192][ T44] rtnl_newlink+0x69a/0xa60
[ 493.032448][ T44] ? __pfx_rtnl_newlink+0x10/0x10
[ 493.032692][ T44] ? __lock_acquire+0x44d/0x7e0
[ 493.032935][ T44] ? find_held_lock+0x2b/0x80
[ 493.033319][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00
[ 493.033564][ T44] ? __lock_release+0x5d/0x170
[ 493.033802][ T44] ? __pfx_rtnl_newlink+0x10/0x10
[ 493.034042][ T44] rtnetlink_rcv_msg+0x710/0xc00
[ 493.034437][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 493.034692][ T44] ? __lock_acquire+0x44d/0x7e0
[ 493.034935][ T44] netlink_rcv_skb+0x121/0x350
[ 493.035174][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 493.035472][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 493.035727][ T44] ? netlink_deliver_tap+0x13e/0x340
[ 493.035988][ T44] ? netlink_deliver_tap+0xc3/0x340
[ 493.036229][ T44] netlink_unicast+0x4a1/0x780
[ 493.036570][ T44] ? __pfx_netlink_unicast+0x10/0x10
[ 493.036813][ T44] ? __lock_acquire+0x44d/0x7e0
[ 493.037065][ T44] netlink_sendmsg+0x721/0xbe0
[ 493.037306][ T44] ? __pfx_netlink_sendmsg+0x10/0x10
[ 493.037637][ T44] ? __import_iovec+0x238/0x3c0
[ 493.037914][ T44] ____sys_sendmsg+0x7ad/0xa10
[ 493.038155][ T44] ? __pfx_____sys_sendmsg+0x10/0x10
[ 493.038390][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 493.038723][ T44] ___sys_sendmsg+0xed/0x170
[ 493.038963][ T44] ? kasan_record_aux_stack+0x8c/0xa0
[ 493.039203][ T44] ? __call_rcu_common.constprop.0+0xa8/0x640
[ 493.039663][ T44] ? __pfx____sys_sendmsg+0x10/0x10
[ 493.039932][ T44] ? find_held_lock+0x2b/0x80
[ 493.040198][ T44] ? __lock_acquire+0x44d/0x7e0
[ 493.040470][ T44] ? find_held_lock+0x2b/0x80
[ 493.040717][ T44] ? __virt_addr_valid+0x22e/0x450
[ 493.040970][ T44] ? __lock_release+0x5d/0x170
[ 493.041218][ T44] __sys_sendmsg+0x10b/0x1a0
[ 493.041468][ T44] ? __call_rcu_common.constprop.0+0x320/0x640
[ 493.041769][ T44] ? __pfx___sys_sendmsg+0x10/0x10
[ 493.042024][ T44] ? rcu_is_watching+0x12/0xc0
[ 493.042269][ T44] do_syscall_64+0xc1/0x380
[ 493.042524][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 493.042962][ T44] RIP: 0033:0x7f4d2b83b1e7
[ 493.043209][ T44] RSP: 002b:00007ffd6577e438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 493.043584][ T44] RAX: ffffffffffffffda RBX: 00007ffd6577eb60 RCX: 00007f4d2b83b1e7
[ 493.043949][ T44] RDX: 0000000000000000 RSI: 00007ffd6577e4a0 RDI: 0000000000000003
[ 493.044316][ T44] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 493.044681][ T44] R10: 00007f4d2b738ee8 R11: 0000000000000246 R12: 0000000000000003
[ 493.045190][ T44] R13: 0000000068784191 R14: 0000000000499600 R15: 0000000000000000
[ 493.045571][ T44]
[ 493.045760][ T44]
[ 493.045760][ T44] Showing all locks held in the system:
[ 493.046110][ T44] 3 locks held by kworker/u16:0/12:
[ 493.046340][ T44] #0: ffff8880092ee548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1660
[ 493.046964][ T44] #1: ffffc900000c7d40 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1660
[ 493.047570][ T44] #2: ffffffffa8856228 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 493.048136][ T44] 1 lock held by khungtaskd/44:
[ 493.048365][ T44] #0: ffffffffa7f796e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x260
[ 493.048795][ T44] 3 locks held by kworker/0:2/201:
[ 493.049021][ T44] #0: ffff8880010a9548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1660
[ 493.049499][ T44] #1: ffffc90000a97d40 ((work_completion)(&vi->rx_mode_work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1660
[ 493.050186][ T44] #2: ffffffffa8856228 (rtnl_mutex){+.+.}-{4:4}, at: virtnet_rx_mode_work+0x145/0x860
[ 493.050621][ T44] 2 locks held by ip/840:
[ 493.050826][ T44] #0: ffffffffa8856228 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x651/0xa60
[ 493.051237][ T44] #1: ffff888008e42c80 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80
[ 493.051687][ T44]
[ 493.051804][ T44] =============================================
[ 493.051804][ T44]