[ 186.344303][ T10] [ 186.344479][ T10] ===================================================== [ 186.344653][ T10] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 186.344856][ T10] 6.9.0-rc1-virtme #1 Not tainted [ 186.344994][ T10] ----------------------------------------------------- [ 186.345171][ T10] kworker/u16:0/10 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 186.345383][ T10] ffff888001a70968 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 186.345639][ T10] [ 186.345639][ T10] and this task is already holding: [ 186.345838][ T10] ffff888016646d80 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 186.346079][ T10] which would create a new lock dependency: [ 186.346243][ T10] (&ndev->lock){++--}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 186.346448][ T10] [ 186.346448][ T10] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 186.346672][ T10] (&ndev->lock){++--}-{2:2} [ 186.346676][ T10] [ 186.346676][ T10] ... which became SOFTIRQ-irq-safe at: [ 186.347001][ T10] __lock_acquire+0x797/0x1570 [ 186.347140][ T10] lock_acquire.part.0+0xeb/0x330 [ 186.347275][ T10] _raw_write_lock+0x30/0x40 [ 186.347411][ T10] addrconf_rs_timer+0xa9/0x730 [ 186.347550][ T10] call_timer_fn+0x13b/0x230 [ 186.347685][ T10] __run_timers+0x545/0x810 [ 186.347818][ T10] run_timer_softirq+0xe8/0x1b0 [ 186.347952][ T10] __do_softirq+0x1f8/0x5df [ 186.348087][ T10] irq_exit_rcu+0x97/0xc0 [ 186.348221][ T10] sysvec_apic_timer_interrupt+0x75/0x80 [ 186.348358][ T10] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 186.348527][ T10] default_idle+0xf/0x20 [ 186.348628][ T10] default_idle_call+0x6d/0xb0 [ 186.348765][ T10] cpuidle_idle_call+0x1f4/0x280 [ 186.348901][ T10] do_idle+0xf9/0x160 [ 186.349005][ T10] cpu_startup_entry+0x54/0x60 [ 186.349138][ T10] start_secondary+0x21c/0x2b0 [ 186.349274][ T10] common_startup_64+0x12c/0x138 [ 186.349408][ T10] [ 186.349408][ T10] to a SOFTIRQ-irq-unsafe lock: [ 186.349572][ T10] (&p->alloc_lock){+.+.}-{2:2} [ 186.349576][ T10] [ 186.349576][ T10] ... which became SOFTIRQ-irq-unsafe at: [ 186.349923][ T10] ... [ 186.349924][ T10] __lock_acquire+0x797/0x1570 [ 186.350129][ T10] lock_acquire.part.0+0xeb/0x330 [ 186.350264][ T10] _raw_spin_lock+0x30/0x40 [ 186.350398][ T10] set_mems_allowed+0x1d/0x210 [ 186.350533][ T10] kernel_init_freeable+0x72/0x310 [ 186.350668][ T10] kernel_init+0x20/0x200 [ 186.350802][ T10] ret_from_fork+0x31/0x70 [ 186.350938][ T10] ret_from_fork_asm+0x1a/0x30 [ 186.351075][ T10] [ 186.351075][ T10] other info that might help us debug this: [ 186.351075][ T10] [ 186.351340][ T10] Possible interrupt unsafe locking scenario: [ 186.351340][ T10] [ 186.351537][ T10] CPU0 CPU1 [ 186.351670][ T10] ---- ---- [ 186.351802][ T10] lock(&p->alloc_lock); [ 186.351908][ T10] local_irq_disable(); [ 186.352081][ T10] lock(&ndev->lock); [ 186.352247][ T10] lock(&p->alloc_lock); [ 186.352413][ T10] [ 186.352515][ T10] lock(&ndev->lock); [ 186.352619][ T10] [ 186.352619][ T10] *** DEADLOCK *** [ 186.352619][ T10] [ 186.352814][ T10] 4 locks held by kworker/u16:0/10: [ 186.352952][ T10] #0: ffff88800547b548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 186.353230][ T10] #1: ffffc900000afda0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 186.353534][ T10] #2: ffffffffa31b7208 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xaf/0xab0 [ 186.353774][ T10] #3: ffff888016646d80 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 186.354020][ T10] [ 186.354020][ T10] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 186.354283][ T10] -> (&ndev->lock){++--}-{2:2} { [ 186.354423][ T10] HARDIRQ-ON-W at: [ 186.354526][ T10] __lock_acquire+0x797/0x1570 [ 186.354697][ T10] lock_acquire.part.0+0xeb/0x330 [ 186.354869][ T10] _raw_write_lock_bh+0x38/0x50 [ 186.355043][ T10] addrconf_permanent_addr+0x6e/0x670 [ 186.355215][ T10] addrconf_notify+0x749/0xd60 [ 186.355386][ T10] notifier_call_chain+0xcd/0x150 [ 186.355556][ T10] __dev_notify_flags+0xe6/0x250 [ 186.355731][ T10] dev_change_flags+0xec/0x160 [ 186.355898][ T10] do_setlink+0x7d6/0x21e0 [ 186.356075][ T10] __rtnl_newlink+0xaa7/0xd80 [ 186.356245][ T10] rtnl_newlink+0x63/0xa0 [ 186.356415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 186.356585][ T10] netlink_rcv_skb+0x130/0x360 [ 186.356757][ T10] netlink_unicast+0x449/0x710 [ 186.356927][ T10] netlink_sendmsg+0x723/0xbe0 [ 186.357099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 186.357274][ T10] ___sys_sendmsg+0xee/0x170 [ 186.357445][ T10] __sys_sendmsg+0xcd/0x170 [ 186.357614][ T10] do_syscall_64+0xc6/0x1e0 [ 186.357785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 186.357990][ T10] HARDIRQ-ON-R at: [ 186.358092][ T10] __lock_acquire+0x797/0x1570 [ 186.358263][ T10] lock_acquire.part.0+0xeb/0x330 [ 186.358438][ T10] _raw_read_lock_bh+0x44/0x80 [ 186.358608][ T10] inet6_fill_ifla6_attrs+0x516/0x740 [ 186.358778][ T10] inet6_fill_link_af+0x5e/0xe0 [ 186.358947][ T10] rtnl_fill_ifinfo+0x1615/0x2a90 [ 186.359114][ T10] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 186.359284][ T10] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 186.359492][ T10] rtmsg_ifinfo+0x5b/0xa0 [ 186.359680][ T10] register_netdevice+0x1177/0x1690 [ 186.359859][ T10] register_netdev+0x20/0x40 [ 186.360030][ T10] vti6_init_net+0x25d/0x380 [ 186.360199][ T10] ops_init+0x9b/0x560 [ 186.360334][ T10] register_pernet_operations+0x2db/0x710 [ 186.360540][ T10] register_pernet_device+0x2a/0x60 [ 186.360712][ T10] vti6_tunnel_init+0x18/0x110 [ 186.360880][ T10] do_one_initcall+0x8d/0x1e0 [ 186.361049][ T10] do_initcalls+0x1b2/0x3e0 [ 186.361219][ T10] kernel_init_freeable+0x232/0x310 [ 186.361391][ T10] kernel_init+0x20/0x200 [ 186.361570][ T10] ret_from_fork+0x31/0x70 [ 186.361741][ T10] ret_from_fork_asm+0x1a/0x30 [ 186.361912][ T10] IN-SOFTIRQ-W at: [ 186.362014][ T10] __lock_acquire+0x797/0x1570 [ 186.362182][ T10] lock_acquire.part.0+0xeb/0x330 [ 186.362353][ T10] _raw_write_lock+0x30/0x40 [ 186.362520][ T10] addrconf_rs_timer+0xa9/0x730 [ 186.362691][ T10] call_timer_fn+0x13b/0x230 [ 186.362861][ T10] __run_timers+0x545/0x810 [ 186.363034][ T10] run_timer_softirq+0xe8/0x1b0 [ 186.363206][ T10] __do_softirq+0x1f8/0x5df [ 186.363376][ T10] irq_exit_rcu+0x97/0xc0 [ 186.363547][ T10] sysvec_apic_timer_interrupt+0x75/0x80 [ 186.363748][ T10] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 186.363955][ T10] default_idle+0xf/0x20 [ 186.364127][ T10] default_idle_call+0x6d/0xb0 [ 186.364296][ T10] cpuidle_idle_call+0x1f4/0x280 [ 186.364467][ T10] do_idle+0xf9/0x160 [ 186.364604][ T10] cpu_startup_entry+0x54/0x60 [ 186.364775][ T10] start_secondary+0x21c/0x2b0 [ 186.364947][ T10] common_startup_64+0x12c/0x138 [ 186.365118][ T10] IN-SOFTIRQ-R at: [ 186.365218][ T10] __lock_acquire+0x797/0x1570 [ 186.365388][ T10] lock_acquire.part.0+0xeb/0x330 [ 186.365556][ T10] _raw_read_lock_bh+0x44/0x80 [ 186.365725][ T10] ipv6_get_lladdr+0xa9/0x3e0 [ 186.365893][ T10] addrconf_rs_timer+0x24a/0x730 [ 186.366066][ T10] call_timer_fn+0x13b/0x230 [ 186.366234][ T10] __run_timers+0x545/0x810 [ 186.366403][ T10] run_timer_softirq+0xe8/0x1b0 [ 186.366571][ T10] __do_softirq+0x1f8/0x5df [ 186.366740][ T10] irq_exit_rcu+0x97/0xc0 [ 186.366907][ T10] sysvec_apic_timer_interrupt+0x75/0x80 [ 186.367114][ T10] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 186.367314][ T10] default_idle+0xf/0x20 [ 186.367481][ T10] default_idle_call+0x6d/0xb0 [ 186.367648][ T10] cpuidle_idle_call+0x1f4/0x280 [ 186.367814][ T10] do_idle+0xf9/0x160 [ 186.367950][ T10] cpu_startup_entry+0x54/0x60 [ 186.368119][ T10] start_secondary+0x21c/0x2b0 [ 186.368293][ T10] common_startup_64+0x12c/0x138 [ 186.368460][ T10] INITIAL USE at: [ 186.368559][ T10] __lock_acquire+0x797/0x1570 [ 186.368736][ T10] lock_acquire.part.0+0xeb/0x330 [ 186.368907][ T10] _raw_write_lock_bh+0x38/0x50 [ 186.369077][ T10] addrconf_permanent_addr+0x6e/0x670 [ 186.369249][ T10] addrconf_notify+0x749/0xd60 [ 186.369496][ T10] notifier_call_chain+0xcd/0x150 [ 186.369674][ T10] __dev_notify_flags+0xe6/0x250 [ 186.369845][ T10] dev_change_flags+0xec/0x160 [ 186.370092][ T10] do_setlink+0x7d6/0x21e0 [ 186.370259][ T10] __rtnl_newlink+0xaa7/0xd80 [ 186.370428][ T10] rtnl_newlink+0x63/0xa0 [ 186.370599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 186.370844][ T10] netlink_rcv_skb+0x130/0x360 [ 186.371012][ T10] netlink_unicast+0x449/0x710 [ 186.371179][ T10] netlink_sendmsg+0x723/0xbe0 [ 186.371426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 186.371595][ T10] ___sys_sendmsg+0xee/0x170 [ 186.371768][ T10] __sys_sendmsg+0xcd/0x170 [ 186.372019][ T10] do_syscall_64+0xc6/0x1e0 [ 186.372187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 186.372389][ T10] INITIAL READ USE at: [ 186.372490][ T10] __lock_acquire+0x797/0x1570 [ 186.372737][ T10] lock_acquire.part.0+0xeb/0x330 [ 186.372907][ T10] _raw_read_lock_bh+0x44/0x80 [ 186.373079][ T10] inet6_fill_ifla6_attrs+0x516/0x740 [ 186.373356][ T10] inet6_fill_link_af+0x5e/0xe0 [ 186.373524][ T10] rtnl_fill_ifinfo+0x1615/0x2a90 [ 186.373690][ T10] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 186.373972][ T10] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 186.374177][ T10] rtmsg_ifinfo+0x5b/0xa0 [ 186.374346][ T10] register_netdevice+0x1177/0x1690 [ 186.374546][ T10] register_netdev+0x20/0x40 [ 186.374717][ T10] vti6_init_net+0x25d/0x380 [ 186.374890][ T10] ops_init+0x9b/0x560 [ 186.375057][ T10] register_pernet_operations+0x2db/0x710 [ 186.375343][ T10] register_pernet_device+0x2a/0x60 [ 186.375544][ T10] vti6_tunnel_init+0x18/0x110 [ 186.375713][ T10] do_one_initcall+0x8d/0x1e0 [ 186.375962][ T10] do_initcalls+0x1b2/0x3e0 [ 186.376131][ T10] kernel_init_freeable+0x232/0x310 [ 186.376335][ T10] kernel_init+0x20/0x200 [ 186.376510][ T10] ret_from_fork+0x31/0x70 [ 186.376680][ T10] ret_from_fork_asm+0x1a/0x30 [ 186.376849][ T10] } [ 186.376921][ T10] ... key at: [] __key.37+0x0/0x40 [ 186.377205][ T10] [ 186.377205][ T10] the dependencies between the lock to be acquired [ 186.377206][ T10] and SOFTIRQ-irq-unsafe lock: [ 186.377570][ T10] -> (&p->alloc_lock){+.+.}-{2:2} { [ 186.377801][ T10] HARDIRQ-ON-W at: [ 186.377904][ T10] __lock_acquire+0x797/0x1570 [ 186.378075][ T10] lock_acquire.part.0+0xeb/0x330 [ 186.378243][ T10] _raw_spin_lock+0x30/0x40 [ 186.378493][ T10] set_mems_allowed+0x1d/0x210 [ 186.378660][ T10] kernel_init_freeable+0x72/0x310 [ 186.378826][ T10] kernel_init+0x20/0x200 [ 186.379159][ T10] ret_from_fork+0x31/0x70 [ 186.379329][ T10] ret_from_fork_asm+0x1a/0x30 [ 186.379496][ T10] SOFTIRQ-ON-W at: [ 186.379604][ T10] __lock_acquire+0x797/0x1570 [ 186.379854][ T10] lock_acquire.part.0+0xeb/0x330 [ 186.380021][ T10] _raw_spin_lock+0x30/0x40 [ 186.380192][ T10] set_mems_allowed+0x1d/0x210 [ 186.380368][ T10] kernel_init_freeable+0x72/0x310 [ 186.380615][ T10] kernel_init+0x20/0x200 [ 186.380784][ T10] ret_from_fork+0x31/0x70 [ 186.380953][ T10] ret_from_fork_asm+0x1a/0x30 [ 186.381199][ T10] INITIAL USE at: [ 186.381300][ T10] __lock_acquire+0x797/0x1570 [ 186.381469][ T10] lock_acquire.part.0+0xeb/0x330 [ 186.381642][ T10] _raw_spin_lock+0x30/0x40 [ 186.381889][ T10] set_mems_allowed+0x1d/0x210 [ 186.382057][ T10] kernel_init_freeable+0x72/0x310 [ 186.382224][ T10] kernel_init+0x20/0x200 [ 186.382469][ T10] ret_from_fork+0x31/0x70 [ 186.382638][ T10] ret_from_fork_asm+0x1a/0x30 [ 186.382810][ T10] } [ 186.382881][ T10] ... key at: [] __key.388+0x0/0x40 [ 186.383159][ T10] ... acquired at: [ 186.383260][ T10] check_prev_add+0x194/0xce0 [ 186.383397][ T10] validate_chain+0x71d/0x9b0 [ 186.383532][ T10] __lock_acquire+0xaf0/0x1570 [ 186.383744][ T10] lock_acquire.part.0+0xeb/0x330 [ 186.383880][ T10] _raw_spin_lock+0x30/0x40 [ 186.384015][ T10] __get_task_comm+0x27/0x70 [ 186.384155][ T10] ref_tracker_alloc+0x2ee/0x490 [ 186.384292][ T10] netdev_get_by_index+0x5e/0x80 [ 186.384507][ T10] fib6_nh_init+0x3d8/0x1580 [ 186.384642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 186.384775][ T10] addrconf_f6i_alloc+0x265/0x560 [ 186.384908][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 186.385118][ T10] addrconf_join_anycast+0x1c0/0x220 [ 186.385254][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 186.385389][ T10] addrconf_dad_completed+0x12b/0xe20 [ 186.385522][ T10] addrconf_dad_begin+0x310/0x670 [ 186.385731][ T10] addrconf_dad_work+0x10b/0xab0 [ 186.385863][ T10] process_one_work+0xe2c/0x1730 [ 186.385996][ T10] worker_thread+0x587/0xd30 [ 186.386130][ T10] kthread+0x28a/0x350 [ 186.386234][ T10] ret_from_fork+0x31/0x70 [ 186.386445][ T10] ret_from_fork_asm+0x1a/0x30 [ 186.386583][ T10] [ 186.386652][ T10] [ 186.386652][ T10] stack backtrace: [ 186.386814][ T10] CPU: 3 PID: 10 Comm: kworker/u16:0 Not tainted 6.9.0-rc1-virtme #1 [ 186.387093][ T10] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 186.387392][ T10] Workqueue: ipv6_addrconf addrconf_dad_work [ 186.387568][ T10] Call Trace: [ 186.387672][ T10] [ 186.387742][ T10] dump_stack_lvl+0x82/0xd0 [ 186.387880][ T10] print_bad_irq_dependency+0x957/0xd40 [ 186.388014][ T10] ? __pfx_validate_chain+0x10/0x10 [ 186.388229][ T10] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 186.388394][ T10] ? __pfx_usage_skip+0x10/0x10 [ 186.388525][ T10] ? __bfs+0x246/0x650 [ 186.388625][ T10] ? __pfx_usage_match+0x10/0x10 [ 186.388762][ T10] check_irq_usage+0x596/0x850 [ 186.388974][ T10] ? __pfx_check_irq_usage+0x10/0x10 [ 186.389109][ T10] ? __bfs+0x246/0x650 [ 186.389210][ T10] ? __pfx_hlock_conflict+0x10/0x10 [ 186.389343][ T10] ? check_path.constprop.0+0x24/0x50 [ 186.389552][ T10] ? check_noncircular+0x14c/0x3e0 [ 186.389695][ T10] ? __pfx_check_noncircular+0x10/0x10 [ 186.389835][ T10] ? check_prev_add+0x194/0xce0 [ 186.389968][ T10] check_prev_add+0x194/0xce0 [ 186.390180][ T10] ? validate_chain+0x130/0x9b0 [ 186.390313][ T10] validate_chain+0x71d/0x9b0 [ 186.390448][ T10] ? mark_lock+0x38/0x3e0 [ 186.390549][ T10] ? __pfx_validate_chain+0x10/0x10 [ 186.390681][ T10] ? hlock_class+0x4e/0x130 [ 186.390889][ T10] ? mark_lock+0x38/0x3e0 [ 186.391000][ T10] __lock_acquire+0xaf0/0x1570 [ 186.391139][ T10] lock_acquire.part.0+0xeb/0x330 [ 186.391272][ T10] ? __get_task_comm+0x27/0x70 [ 186.391482][ T10] ? mark_lock+0x38/0x3e0 [ 186.391583][ T10] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 186.391716][ T10] ? trace_lock_acquire+0x135/0x1c0 [ 186.391848][ T10] ? __get_task_comm+0x27/0x70 [ 186.391983][ T10] ? lock_acquire+0x32/0xc0 [ 186.392190][ T10] ? __get_task_comm+0x27/0x70 [ 186.392323][ T10] _raw_spin_lock+0x30/0x40 [ 186.392459][ T10] ? __get_task_comm+0x27/0x70 [ 186.392590][ T10] __get_task_comm+0x27/0x70 [ 186.392797][ T10] ref_tracker_alloc+0x2ee/0x490 [ 186.392937][ T10] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 186.393068][ T10] ? dev_get_by_index+0x177/0x270 [ 186.393200][ T10] ? netdev_get_by_index+0x5e/0x80 [ 186.393408][ T10] ? fib6_nh_init+0x3d8/0x1580 [ 186.393541][ T10] ? ip6_route_info_create+0xf18/0x17d0 [ 186.393679][ T10] ? addrconf_f6i_alloc+0x265/0x560 [ 186.393813][ T10] ? __ipv6_dev_ac_inc+0x25f/0xb10 [ 186.393946][ T10] ? addrconf_join_anycast+0x1c0/0x220 [ 186.394154][ T10] ? __ipv6_ifa_notify+0x6b3/0xaf0 [ 186.394286][ T10] ? addrconf_dad_completed+0x12b/0xe20 [ 186.394419][ T10] ? addrconf_dad_begin+0x310/0x670 [ 186.394550][ T10] ? addrconf_dad_work+0x10b/0xab0 [ 186.394764][ T10] ? process_one_work+0xe2c/0x1730 [ 186.394900][ T10] ? worker_thread+0x587/0xd30 [ 186.395032][ T10] ? kthread+0x28a/0x350 [ 186.395134][ T10] ? ret_from_fork+0x31/0x70 [ 186.395343][ T10] ? ret_from_fork_asm+0x1a/0x30 [ 186.395480][ T10] ? dev_get_by_index+0x177/0x270 [ 186.395613][ T10] netdev_get_by_index+0x5e/0x80 [ 186.395749][ T10] fib6_nh_init+0x3d8/0x1580 [ 186.395881][ T10] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 186.396127][ T10] ? __pfx_fib6_nh_init+0x10/0x10 [ 186.396259][ T10] ? kasan_save_track+0x14/0x30 [ 186.396396][ T10] ? __kasan_kmalloc+0x7f/0x90 [ 186.396530][ T10] ? __kmalloc+0x1d7/0x3c0 [ 186.396742][ T10] ? fib6_get_table+0x116/0x290 [ 186.396877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 186.397009][ T10] ? __lock_release+0x103/0x460 [ 186.397143][ T10] ? __pfx_ip6_route_info_create+0x10/0x10 [ 186.397390][ T10] ? addrconf_f6i_alloc+0x12d/0x560 [ 186.397523][ T10] addrconf_f6i_alloc+0x265/0x560 [ 186.397659][ T10] ? __pfx_addrconf_f6i_alloc+0x10/0x10 [ 186.397794][ T10] ? do_raw_write_lock+0x122/0x3b0 [ 186.398009][ T10] ? __pfx_do_raw_write_lock+0x10/0x10 [ 186.398141][ T10] ? lock_acquire+0x32/0xc0 [ 186.398275][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 186.398407][ T10] ? mark_held_locks+0x9e/0xe0 [ 186.398549][ T10] addrconf_join_anycast+0x1c0/0x220 [ 186.398680][ T10] ? ip6_ins_rt+0xbd/0x110 [ 186.398812][ T10] ? __pfx_addrconf_join_anycast+0x10/0x10 [ 186.398979][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 186.399189][ T10] ? __pfx___ipv6_ifa_notify+0x10/0x10 [ 186.399322][ T10] ? __pfx___cancel_work+0x10/0x10 [ 186.399460][ T10] ? find_held_lock+0x2c/0x110 [ 186.399601][ T10] ? addrconf_dad_completed+0x12b/0xe20 [ 186.399897][ T10] addrconf_dad_completed+0x12b/0xe20 [ 186.400031][ T10] ? hlock_class+0x4e/0x130 [ 186.400165][ T10] ? __pfx_addrconf_dad_completed+0x10/0x10 [ 186.400330][ T10] ? mark_held_locks+0x9e/0xe0 [ 186.400471][ T10] ? addrconf_dad_begin+0x310/0x670 [ 186.400603][ T10] addrconf_dad_begin+0x310/0x670 [ 186.400735][ T10] ? hlock_class+0x4e/0x130 [ 186.400868][ T10] ? __pfx_addrconf_dad_begin+0x10/0x10 [ 186.401006][ T10] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 186.401250][ T10] addrconf_dad_work+0x10b/0xab0 [ 186.401387][ T10] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 186.401521][ T10] ? __pfx_addrconf_dad_work+0x10/0x10 [ 186.401653][ T10] ? process_one_work+0xde2/0x1730 [ 186.401861][ T10] ? lock_acquire+0x32/0xc0 [ 186.401996][ T10] ? process_one_work+0xde2/0x1730 [ 186.402133][ T10] process_one_work+0xe2c/0x1730 [ 186.402268][ T10] ? __pfx___lock_release+0x10/0x10 [ 186.402481][ T10] ? __pfx_process_one_work+0x10/0x10 [ 186.402615][ T10] ? assign_work+0x16c/0x240 [ 186.402749][ T10] worker_thread+0x587/0xd30 [ 186.402889][ T10] ? __pfx_worker_thread+0x10/0x10 [ 186.403100][ T10] kthread+0x28a/0x350 [ 186.403201][ T10] ? __pfx_kthread+0x10/0x10 [ 186.403337][ T10] ret_from_fork+0x31/0x70 [ 186.403475][ T10] ? __pfx_kthread+0x10/0x10 [ 186.403608][ T10] ret_from_fork_asm+0x1a/0x30 [ 186.403743][ T10] [ 517.598269][ T6011] br0: port 1(veth_A-C) entered blocking state [ 517.598502][ T6011] br0: port 1(veth_A-C) entered disabled state [ 517.598703][ T6011] veth_A-C: entered allmulticast mode [ 517.600093][ T6011] veth_A-C: entered promiscuous mode [ 517.605272][ T6011] br0: port 1(veth_A-C) entered blocking state [ 517.605450][ T6011] br0: port 1(veth_A-C) entered forwarding state [ 518.612344][ T6021] br0: port 2(vxlan_a) entered blocking state [ 518.612557][ T6021] br0: port 2(vxlan_a) entered disabled state [ 518.612753][ T6021] vxlan_a: entered allmulticast mode [ 518.613685][ T6021] vxlan_a: entered promiscuous mode [ 519.225971][ T6027] br0: port 2(vxlan_a) entered blocking state [ 519.226249][ T6027] br0: port 2(vxlan_a) entered forwarding state [ 526.542206][ T10] vxlan_a: left allmulticast mode [ 526.542358][ T10] vxlan_a: left promiscuous mode [ 526.542611][ T10] br0: port 2(vxlan_a) entered disabled state [ 526.543569][ T10] veth_A-C: left allmulticast mode [ 526.543693][ T10] veth_A-C: left promiscuous mode [ 526.543950][ T10] br0: port 1(veth_A-C) entered disabled state [ 537.568197][ T6208] br0: port 1(veth_A-C) entered blocking state [ 537.568401][ T6208] br0: port 1(veth_A-C) entered disabled state [ 537.568594][ T6208] veth_A-C: entered allmulticast mode [ 537.569506][ T6208] veth_A-C: entered promiscuous mode [ 537.570316][ T6208] br0: port 1(veth_A-C) entered blocking state [ 537.570483][ T6208] br0: port 1(veth_A-C) entered forwarding state [ 538.562089][ T6218] br0: port 2(vxlan_a) entered blocking state [ 538.562367][ T6218] br0: port 2(vxlan_a) entered disabled state [ 538.562559][ T6218] vxlan_a: entered allmulticast mode [ 538.568403][ T6218] vxlan_a: entered promiscuous mode [ 539.175775][ T6224] br0: port 2(vxlan_a) entered blocking state [ 539.175988][ T6224] br0: port 2(vxlan_a) entered forwarding state [ 546.399069][ T10] vxlan_a: left allmulticast mode [ 546.399220][ T10] vxlan_a: left promiscuous mode [ 546.399454][ T10] br0: port 2(vxlan_a) entered disabled state [ 546.400530][ T10] veth_A-C: left allmulticast mode [ 546.400663][ T10] veth_A-C: left promiscuous mode [ 546.400928][ T10] br0: port 1(veth_A-C) entered disabled state [ 556.902006][ T6393] br0: port 1(veth_A-C) entered blocking state [ 556.902274][ T6393] br0: port 1(veth_A-C) entered disabled state [ 556.902469][ T6393] veth_A-C: entered allmulticast mode [ 556.903413][ T6393] veth_A-C: entered promiscuous mode [ 556.905121][ T6393] br0: port 1(veth_A-C) entered blocking state [ 556.905285][ T6393] br0: port 1(veth_A-C) entered forwarding state [ 557.924366][ T6403] br0: port 2(vxlan_a) entered blocking state [ 557.924675][ T6403] br0: port 2(vxlan_a) entered disabled state [ 557.924880][ T6403] vxlan_a: entered allmulticast mode [ 557.925787][ T6403] vxlan_a: entered promiscuous mode [ 558.597642][ T6409] br0: port 2(vxlan_a) entered blocking state [ 558.597869][ T6409] br0: port 2(vxlan_a) entered forwarding state [ 566.023406][ T10] vxlan_a: left allmulticast mode [ 566.023578][ T10] vxlan_a: left promiscuous mode [ 566.023830][ T10] br0: port 2(vxlan_a) entered disabled state [ 566.024788][ T10] veth_A-C: left allmulticast mode [ 566.024970][ T10] veth_A-C: left promiscuous mode [ 566.025242][ T10] br0: port 1(veth_A-C) entered disabled state [ 577.479053][ T6590] br0: port 1(veth_A-C) entered blocking state [ 577.479312][ T6590] br0: port 1(veth_A-C) entered disabled state [ 577.479507][ T6590] veth_A-C: entered allmulticast mode [ 577.480423][ T6590] veth_A-C: entered promiscuous mode [ 577.482443][ T6590] br0: port 1(veth_A-C) entered blocking state [ 577.482705][ T6590] br0: port 1(veth_A-C) entered forwarding state [ 578.542486][ T6600] br0: port 2(vxlan_a) entered blocking state [ 578.542670][ T6600] br0: port 2(vxlan_a) entered disabled state [ 578.542879][ T6600] vxlan_a: entered allmulticast mode [ 578.543777][ T6600] vxlan_a: entered promiscuous mode [ 579.174188][ T6606] br0: port 2(vxlan_a) entered blocking state [ 579.174401][ T6606] br0: port 2(vxlan_a) entered forwarding state [ 586.534822][ T10] vxlan_a: left allmulticast mode [ 586.534979][ T10] vxlan_a: left promiscuous mode [ 586.535217][ T10] br0: port 2(vxlan_a) entered disabled state [ 586.537024][ T10] veth_A-C: left allmulticast mode [ 586.537157][ T10] veth_A-C: left promiscuous mode [ 586.537401][ T10] br0: port 1(veth_A-C) entered disabled state [ 597.252222][ T6775] br0: port 1(veth_A-C) entered blocking state [ 597.252518][ T6775] br0: port 1(veth_A-C) entered disabled state [ 597.252715][ T6775] veth_A-C: entered allmulticast mode [ 597.253992][ T6775] veth_A-C: entered promiscuous mode [ 597.254796][ T6775] br0: port 1(veth_A-C) entered blocking state [ 597.254970][ T6775] br0: port 1(veth_A-C) entered forwarding state [ 598.328620][ T6785] br0: port 2(vxlan_a) entered blocking state [ 598.328832][ T6785] br0: port 2(vxlan_a) entered disabled state [ 598.329036][ T6785] vxlan_a: entered allmulticast mode [ 598.329934][ T6785] vxlan_a: entered promiscuous mode [ 598.973297][ T6791] br0: port 2(vxlan_a) entered blocking state [ 598.973560][ T6791] br0: port 2(vxlan_a) entered forwarding state [ 606.385096][ T10] vxlan_a: left allmulticast mode [ 606.385243][ T10] vxlan_a: left promiscuous mode [ 606.385475][ T10] br0: port 2(vxlan_a) entered disabled state [ 606.386968][ T10] veth_A-C: left allmulticast mode [ 606.387098][ T10] veth_A-C: left promiscuous mode [ 606.387325][ T10] br0: port 1(veth_A-C) entered disabled state [ 617.572048][ T6972] br0: port 1(veth_A-C) entered blocking state [ 617.572301][ T6972] br0: port 1(veth_A-C) entered disabled state [ 617.572485][ T6972] veth_A-C: entered allmulticast mode [ 617.573407][ T6972] veth_A-C: entered promiscuous mode [ 617.574213][ T6972] br0: port 1(veth_A-C) entered blocking state [ 617.574378][ T6972] br0: port 1(veth_A-C) entered forwarding state [ 618.612031][ T6982] br0: port 2(vxlan_a) entered blocking state [ 618.612292][ T6982] br0: port 2(vxlan_a) entered disabled state [ 618.612475][ T6982] vxlan_a: entered allmulticast mode [ 618.613381][ T6982] vxlan_a: entered promiscuous mode [ 619.228927][ T6988] br0: port 2(vxlan_a) entered blocking state [ 619.229125][ T6988] br0: port 2(vxlan_a) entered forwarding state [ 626.561173][ T10] vxlan_a: left allmulticast mode [ 626.561323][ T10] vxlan_a: left promiscuous mode [ 626.561558][ T10] br0: port 2(vxlan_a) entered disabled state [ 626.562389][ T10] veth_A-C: left allmulticast mode [ 626.562514][ T10] veth_A-C: left promiscuous mode [ 626.562733][ T10] br0: port 1(veth_A-C) entered disabled state [ 636.988092][ T7157] br0: port 1(veth_A-C) entered blocking state [ 636.988310][ T7157] br0: port 1(veth_A-C) entered disabled state [ 636.988507][ T7157] veth_A-C: entered allmulticast mode [ 636.990217][ T7157] veth_A-C: entered promiscuous mode [ 636.991127][ T7157] br0: port 1(veth_A-C) entered blocking state [ 636.991308][ T7157] br0: port 1(veth_A-C) entered forwarding state [ 638.054315][ T7167] br0: port 2(vxlan_a) entered blocking state [ 638.054544][ T7167] br0: port 2(vxlan_a) entered disabled state [ 638.054750][ T7167] vxlan_a: entered allmulticast mode [ 638.056308][ T7167] vxlan_a: entered promiscuous mode [ 638.694891][ T7173] br0: port 2(vxlan_a) entered blocking state [ 638.695089][ T7173] br0: port 2(vxlan_a) entered forwarding state [ 646.083421][ T10] vxlan_a: left allmulticast mode [ 646.083574][ T10] vxlan_a: left promiscuous mode [ 646.083809][ T10] br0: port 2(vxlan_a) entered disabled state [ 646.084634][ T10] veth_A-C: left allmulticast mode [ 646.084758][ T10] veth_A-C: left promiscuous mode [ 646.085012][ T10] br0: port 1(veth_A-C) entered disabled state [ 657.369919][ T7354] br0: port 1(veth_A-C) entered blocking state [ 657.370161][ T7354] br0: port 1(veth_A-C) entered disabled state [ 657.370391][ T7354] veth_A-C: entered allmulticast mode [ 657.371349][ T7354] veth_A-C: entered promiscuous mode [ 657.372194][ T7354] br0: port 1(veth_A-C) entered blocking state [ 657.372400][ T7354] br0: port 1(veth_A-C) entered forwarding state [ 658.469466][ T7364] br0: port 2(vxlan_a) entered blocking state [ 658.469739][ T7364] br0: port 2(vxlan_a) entered disabled state [ 658.469948][ T7364] vxlan_a: entered allmulticast mode [ 658.470869][ T7364] vxlan_a: entered promiscuous mode [ 659.122440][ T7370] br0: port 2(vxlan_a) entered blocking state [ 659.122649][ T7370] br0: port 2(vxlan_a) entered forwarding state [ 666.508720][ T10] vxlan_a: left allmulticast mode [ 666.509340][ T10] vxlan_a: left promiscuous mode [ 666.509666][ T10] br0: port 2(vxlan_a) entered disabled state [ 666.512478][ T10] veth_A-C: left allmulticast mode [ 666.512603][ T10] veth_A-C: left promiscuous mode [ 666.512820][ T10] br0: port 1(veth_A-C) entered disabled state [ 677.053999][ T7540] br0: port 1(veth_A-C) entered blocking state [ 677.054186][ T7540] br0: port 1(veth_A-C) entered disabled state [ 677.054373][ T7540] veth_A-C: entered allmulticast mode [ 677.055289][ T7540] veth_A-C: entered promiscuous mode [ 677.056099][ T7540] br0: port 1(veth_A-C) entered blocking state [ 677.056264][ T7540] br0: port 1(veth_A-C) entered forwarding state [ 678.080729][ T7550] br0: port 2(geneve_a) entered blocking state [ 678.081027][ T7550] br0: port 2(geneve_a) entered disabled state [ 678.081228][ T7550] geneve_a: entered allmulticast mode [ 678.082658][ T7550] geneve_a: entered promiscuous mode [ 678.703297][ T7556] br0: port 2(geneve_a) entered blocking state [ 678.703563][ T7556] br0: port 2(geneve_a) entered forwarding state [ 685.855151][ T10] geneve_a: left allmulticast mode [ 685.855328][ T10] geneve_a: left promiscuous mode [ 685.855566][ T10] br0: port 2(geneve_a) entered disabled state [ 685.856461][ T10] veth_A-C: left allmulticast mode [ 685.856591][ T10] veth_A-C: left promiscuous mode [ 685.856811][ T10] br0: port 1(veth_A-C) entered disabled state [ 697.009484][ T7737] br0: port 1(veth_A-C) entered blocking state [ 697.009750][ T7737] br0: port 1(veth_A-C) entered disabled state [ 697.009958][ T7737] veth_A-C: entered allmulticast mode [ 697.010874][ T7737] veth_A-C: entered promiscuous mode [ 697.011705][ T7737] br0: port 1(veth_A-C) entered blocking state [ 697.011885][ T7737] br0: port 1(veth_A-C) entered forwarding state [ 698.096038][ T7747] br0: port 2(geneve_a) entered blocking state [ 698.096241][ T7747] br0: port 2(geneve_a) entered disabled state [ 698.096432][ T7747] geneve_a: entered allmulticast mode [ 698.097339][ T7747] geneve_a: entered promiscuous mode [ 698.737983][ T7753] br0: port 2(geneve_a) entered blocking state [ 698.738178][ T7753] br0: port 2(geneve_a) entered forwarding state [ 706.113680][ T10] geneve_a: left allmulticast mode [ 706.113861][ T10] geneve_a: left promiscuous mode [ 706.114103][ T10] br0: port 2(geneve_a) entered disabled state [ 706.115030][ T10] veth_A-C: left allmulticast mode [ 706.115159][ T10] veth_A-C: left promiscuous mode [ 706.115379][ T10] br0: port 1(veth_A-C) entered disabled state [ 716.736406][ T7924] br0: port 1(veth_A-C) entered blocking state [ 716.736610][ T7924] br0: port 1(veth_A-C) entered disabled state [ 716.736811][ T7924] veth_A-C: entered allmulticast mode [ 716.737753][ T7924] veth_A-C: entered promiscuous mode [ 716.738574][ T7924] br0: port 1(veth_A-C) entered blocking state [ 716.738741][ T7924] br0: port 1(veth_A-C) entered forwarding state [ 717.868878][ T7934] br0: port 2(geneve_a) entered blocking state [ 717.869142][ T7934] br0: port 2(geneve_a) entered disabled state [ 717.869327][ T7934] geneve_a: entered allmulticast mode [ 717.870246][ T7934] geneve_a: entered promiscuous mode [ 718.541193][ T7940] br0: port 2(geneve_a) entered blocking state [ 718.541390][ T7940] br0: port 2(geneve_a) entered forwarding state [ 725.841259][ T10] geneve_a: left allmulticast mode [ 725.841425][ T10] geneve_a: left promiscuous mode [ 725.841654][ T10] br0: port 2(geneve_a) entered disabled state [ 725.842528][ T10] veth_A-C: left allmulticast mode [ 725.842654][ T10] veth_A-C: left promiscuous mode [ 725.842941][ T10] br0: port 1(veth_A-C) entered disabled state [ 737.047529][ T8121] br0: port 1(veth_A-C) entered blocking state [ 737.047722][ T8121] br0: port 1(veth_A-C) entered disabled state [ 737.047917][ T8121] veth_A-C: entered allmulticast mode [ 737.048824][ T8121] veth_A-C: entered promiscuous mode [ 737.049631][ T8121] br0: port 1(veth_A-C) entered blocking state [ 737.049795][ T8121] br0: port 1(veth_A-C) entered forwarding state [ 738.059938][ T8131] br0: port 2(geneve_a) entered blocking state [ 738.060196][ T8131] br0: port 2(geneve_a) entered disabled state [ 738.060379][ T8131] geneve_a: entered allmulticast mode [ 738.061275][ T8131] geneve_a: entered promiscuous mode [ 738.676878][ T8137] br0: port 2(geneve_a) entered blocking state [ 738.677081][ T8137] br0: port 2(geneve_a) entered forwarding state [ 745.861628][ T10] geneve_a: left allmulticast mode [ 745.861794][ T10] geneve_a: left promiscuous mode [ 745.862075][ T10] br0: port 2(geneve_a) entered disabled state [ 745.863138][ T10] veth_A-C: left allmulticast mode [ 745.863266][ T10] veth_A-C: left promiscuous mode [ 745.863491][ T10] br0: port 1(veth_A-C) entered disabled state [ 756.272101][ T8306] br0: port 1(veth_A-C) entered blocking state [ 756.272362][ T8306] br0: port 1(veth_A-C) entered disabled state [ 756.272549][ T8306] veth_A-C: entered allmulticast mode [ 756.273463][ T8306] veth_A-C: entered promiscuous mode [ 756.274299][ T8306] br0: port 1(veth_A-C) entered blocking state [ 756.274459][ T8306] br0: port 1(veth_A-C) entered forwarding state [ 757.292027][ T8316] br0: port 2(geneve_a) entered blocking state [ 757.292299][ T8316] br0: port 2(geneve_a) entered disabled state [ 757.292493][ T8316] geneve_a: entered allmulticast mode [ 757.293420][ T8316] geneve_a: entered promiscuous mode [ 757.897056][ T8322] br0: port 2(geneve_a) entered blocking state [ 757.897271][ T8322] br0: port 2(geneve_a) entered forwarding state [ 765.119750][ T10] geneve_a: left allmulticast mode [ 765.119911][ T10] geneve_a: left promiscuous mode [ 765.120139][ T10] br0: port 2(geneve_a) entered disabled state [ 765.121340][ T10] veth_A-C: left allmulticast mode [ 765.121478][ T10] veth_A-C: left promiscuous mode [ 765.121702][ T10] br0: port 1(veth_A-C) entered disabled state [ 776.441310][ T8504] br0: port 1(veth_A-C) entered blocking state [ 776.441595][ T8504] br0: port 1(veth_A-C) entered disabled state [ 776.441787][ T8504] veth_A-C: entered allmulticast mode [ 776.442705][ T8504] veth_A-C: entered promiscuous mode [ 776.443547][ T8504] br0: port 1(veth_A-C) entered blocking state [ 776.443711][ T8504] br0: port 1(veth_A-C) entered forwarding state [ 777.493531][ T8514] br0: port 2(geneve_a) entered blocking state [ 777.493792][ T8514] br0: port 2(geneve_a) entered disabled state [ 777.494761][ T8514] geneve_a: entered allmulticast mode [ 777.495671][ T8514] geneve_a: entered promiscuous mode [ 778.119772][ T8520] br0: port 2(geneve_a) entered blocking state [ 778.120069][ T8520] br0: port 2(geneve_a) entered forwarding state [ 785.503200][ T10] geneve_a: left allmulticast mode [ 785.503358][ T10] geneve_a: left promiscuous mode [ 785.503599][ T10] br0: port 2(geneve_a) entered disabled state [ 785.504562][ T10] veth_A-C: left allmulticast mode [ 785.504685][ T10] veth_A-C: left promiscuous mode [ 785.505009][ T10] br0: port 1(veth_A-C) entered disabled state [ 795.943013][ T8692] br0: port 1(veth_A-C) entered blocking state [ 795.943276][ T8692] br0: port 1(veth_A-C) entered disabled state [ 795.943472][ T8692] veth_A-C: entered allmulticast mode [ 795.944411][ T8692] veth_A-C: entered promiscuous mode [ 795.946150][ T8692] br0: port 1(veth_A-C) entered blocking state [ 795.946320][ T8692] br0: port 1(veth_A-C) entered forwarding state [ 797.014415][ T8702] br0: port 2(geneve_a) entered blocking state [ 797.014663][ T8702] br0: port 2(geneve_a) entered disabled state [ 797.014866][ T8702] geneve_a: entered allmulticast mode [ 797.015789][ T8702] geneve_a: entered promiscuous mode [ 797.643581][ T8708] br0: port 2(geneve_a) entered blocking state [ 797.643785][ T8708] br0: port 2(geneve_a) entered forwarding state [ 805.024952][ T10] geneve_a: left allmulticast mode [ 805.025097][ T10] geneve_a: left promiscuous mode [ 805.025328][ T10] br0: port 2(geneve_a) entered disabled state [ 805.027336][ T10] veth_A-C: left allmulticast mode [ 805.027472][ T10] veth_A-C: left promiscuous mode [ 805.027697][ T10] br0: port 1(veth_A-C) entered disabled state [ 815.812475][ T8889] br0: port 1(veth_A-C) entered blocking state [ 815.812743][ T8889] br0: port 1(veth_A-C) entered disabled state [ 815.812947][ T8889] veth_A-C: entered allmulticast mode [ 815.813830][ T8889] veth_A-C: entered promiscuous mode [ 815.815037][ T8889] br0: port 1(veth_A-C) entered blocking state [ 815.815203][ T8889] br0: port 1(veth_A-C) entered forwarding state [ 816.857564][ T8899] br0: port 2(geneve_a) entered blocking state [ 816.857778][ T8899] br0: port 2(geneve_a) entered disabled state [ 816.857988][ T8899] geneve_a: entered allmulticast mode [ 816.858896][ T8899] geneve_a: entered promiscuous mode [ 817.481414][ T8905] br0: port 2(geneve_a) entered blocking state [ 817.481732][ T8905] br0: port 2(geneve_a) entered forwarding state [ 824.790674][ T10] geneve_a: left allmulticast mode [ 824.790840][ T10] geneve_a: left promiscuous mode [ 824.791097][ T10] br0: port 2(geneve_a) entered disabled state [ 824.792116][ T10] veth_A-C: left allmulticast mode [ 824.792246][ T10] veth_A-C: left promiscuous mode [ 824.792485][ T10] br0: port 1(veth_A-C) entered disabled state [ 1194.700202][T13139] Initializing XFRM netlink socket [ 1372.159943][T14840] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5 [ 1372.160392][T14840] ref_tracker: veth_A-R1@ffff8880061315e0 was allocated by ping and has 1/4 users at [ 1372.160392][T14840] dst_init+0x84/0x4a0 [ 1372.160392][T14840] dst_alloc+0x97/0x150 [ 1372.160392][T14840] ip6_dst_alloc+0x23/0x90 [ 1372.160392][T14840] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1372.160392][T14840] ip6_pol_route+0x56f/0x840 [ 1372.160392][T14840] fib6_rule_lookup+0x334/0x630 [ 1372.160392][T14840] ip6_route_output_flags+0x259/0x480 [ 1372.160392][T14840] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1372.160392][T14840] ip6_dst_lookup_flow+0x88/0x190 [ 1372.160392][T14840] udp_tunnel6_dst_lookup+0x2b0/0x4d0 [ 1372.160392][T14840] vxlan_xmit_one+0xd5e/0x4570 [vxlan] [ 1372.160392][T14840] vxlan_xmit+0x9b6/0xf40 [vxlan] [ 1372.160392][T14840] dev_hard_start_xmit+0x10e/0x360 [ 1372.160392][T14840] __dev_queue_xmit+0xe79/0x16e0 [ 1372.160392][T14840] arp_solicit+0x4aa/0xe20 [ 1372.160392][T14840] neigh_probe+0xaa/0xf0 [ 1372.160392][T14840] [ 1372.162411][T14840] ref_tracker: veth_A-R1@ffff8880061315e0 was allocated by kworker/3:1 and has 1/4 users at [ 1372.162411][T14840] dst_init+0x84/0x4a0 [ 1372.162411][T14840] dst_alloc+0x97/0x150 [ 1372.162411][T14840] ip6_dst_alloc+0x23/0x90 [ 1372.162411][T14840] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1372.162411][T14840] ip6_pol_route+0x56f/0x840 [ 1372.162411][T14840] fib6_rule_lookup+0x334/0x630 [ 1372.162411][T14840] ip6_route_output_flags+0x259/0x480 [ 1372.162411][T14840] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1372.162411][T14840] ip6_dst_lookup_flow+0x88/0x190 [ 1372.162411][T14840] udp_tunnel6_dst_lookup+0x2b0/0x4d0 [ 1372.162411][T14840] vxlan_xmit_one+0xd5e/0x4570 [vxlan] [ 1372.162411][T14840] vxlan_xmit+0x9b6/0xf40 [vxlan] [ 1372.162411][T14840] dev_hard_start_xmit+0x10e/0x360 [ 1372.162411][T14840] __dev_queue_xmit+0xe79/0x16e0 [ 1372.162411][T14840] ip6_finish_output2+0x59b/0xf60 [ 1372.162411][T14840] ip6_finish_output+0x553/0xdf0 [ 1372.162411][T14840] [ 1372.164438][T14840] ref_tracker: veth_A-R1@ffff8880061315e0 was allocated by ip and has 1/4 users at [ 1372.164438][T14840] netdev_get_by_index+0x5e/0x80 [ 1372.164438][T14840] fib6_nh_init+0x3d8/0x1580 [ 1372.164438][T14840] nh_create_ipv6+0x377/0x600 [ 1372.164438][T14840] nexthop_create+0x311/0x650 [ 1372.164438][T14840] rtm_new_nexthop+0x3f0/0x5c0 [ 1372.164438][T14840] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.164438][T14840] netlink_rcv_skb+0x130/0x360 [ 1372.164438][T14840] netlink_unicast+0x449/0x710 [ 1372.164438][T14840] netlink_sendmsg+0x723/0xbe0 [ 1372.164438][T14840] ____sys_sendmsg+0x7b2/0xa10 [ 1372.164438][T14840] ___sys_sendmsg+0xee/0x170 [ 1372.164438][T14840] __sys_sendmsg+0xcd/0x170 [ 1372.164438][T14840] do_syscall_64+0xc6/0x1e0 [ 1372.164438][T14840] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.164438][T14840] [ 1372.166154][T14840] ref_tracker: veth_A-R1@ffff8880061315e0 was allocated by ip and has 1/4 users at [ 1372.166154][T14840] ipv6_add_dev+0x3ba/0x11c0 [ 1372.166154][T14840] addrconf_notify+0x344/0xd60 [ 1372.166154][T14840] notifier_call_chain+0xcd/0x150 [ 1372.166154][T14840] register_netdevice+0x108b/0x1690 [ 1372.166154][T14840] veth_newlink+0x401/0x830 [ 1372.166154][T14840] rtnl_newlink_create+0x341/0x850 [ 1372.166154][T14840] __rtnl_newlink+0xac9/0xd80 [ 1372.166154][T14840] rtnl_newlink+0x63/0xa0 [ 1372.166154][T14840] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.166154][T14840] netlink_rcv_skb+0x130/0x360 [ 1372.166154][T14840] netlink_unicast+0x449/0x710 [ 1372.166154][T14840] netlink_sendmsg+0x723/0xbe0 [ 1372.166154][T14840] ____sys_sendmsg+0x7b2/0xa10 [ 1372.166154][T14840] ___sys_sendmsg+0xee/0x170 [ 1372.166154][T14840] __sys_sendmsg+0xcd/0x170 [ 1372.166154][T14840] do_syscall_64+0xc6/0x1e0 [ 1372.166154][T14840] [ 1382.303970][T14840] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5 [ 1382.304335][T14840] ref_tracker: veth_A-R1@ffff8880061315e0 was allocated by ping and has 1/4 users at [ 1382.304335][T14840] dst_init+0x84/0x4a0 [ 1382.304335][T14840] dst_alloc+0x97/0x150 [ 1382.304335][T14840] ip6_dst_alloc+0x23/0x90 [ 1382.304335][T14840] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1382.304335][T14840] ip6_pol_route+0x56f/0x840 [ 1382.304335][T14840] fib6_rule_lookup+0x334/0x630 [ 1382.304335][T14840] ip6_route_output_flags+0x259/0x480 [ 1382.304335][T14840] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1382.304335][T14840] ip6_dst_lookup_flow+0x88/0x190 [ 1382.304335][T14840] udp_tunnel6_dst_lookup+0x2b0/0x4d0 [ 1382.304335][T14840] vxlan_xmit_one+0xd5e/0x4570 [vxlan] [ 1382.304335][T14840] vxlan_xmit+0x9b6/0xf40 [vxlan] [ 1382.304335][T14840] dev_hard_start_xmit+0x10e/0x360 [ 1382.304335][T14840] __dev_queue_xmit+0xe79/0x16e0 [ 1382.304335][T14840] arp_solicit+0x4aa/0xe20 [ 1382.304335][T14840] neigh_probe+0xaa/0xf0 [ 1382.304335][T14840] [ 1382.306413][T14840] ref_tracker: veth_A-R1@ffff8880061315e0 was allocated by kworker/3:1 and has 1/4 users at [ 1382.306413][T14840] dst_init+0x84/0x4a0 [ 1382.306413][T14840] dst_alloc+0x97/0x150 [ 1382.306413][T14840] ip6_dst_alloc+0x23/0x90 [ 1382.306413][T14840] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1382.306413][T14840] ip6_pol_route+0x56f/0x840 [ 1382.306413][T14840] fib6_rule_lookup+0x334/0x630 [ 1382.306413][T14840] ip6_route_output_flags+0x259/0x480 [ 1382.306413][T14840] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1382.306413][T14840] ip6_dst_lookup_flow+0x88/0x190 [ 1382.306413][T14840] udp_tunnel6_dst_lookup+0x2b0/0x4d0 [ 1382.306413][T14840] vxlan_xmit_one+0xd5e/0x4570 [vxlan] [ 1382.306413][T14840] vxlan_xmit+0x9b6/0xf40 [vxlan] [ 1382.306413][T14840] dev_hard_start_xmit+0x10e/0x360 [ 1382.306413][T14840] __dev_queue_xmit+0xe79/0x16e0 [ 1382.306413][T14840] ip6_finish_output2+0x59b/0xf60 [ 1382.306413][T14840] ip6_finish_output+0x553/0xdf0 [ 1382.306413][T14840] [ 1382.308444][T14840] ref_tracker: veth_A-R1@ffff8880061315e0 was allocated by ip and has 1/4 users at [ 1382.308444][T14840] netdev_get_by_index+0x5e/0x80 [ 1382.308444][T14840] fib6_nh_init+0x3d8/0x1580 [ 1382.308444][T14840] nh_create_ipv6+0x377/0x600 [ 1382.308444][T14840] nexthop_create+0x311/0x650 [ 1382.308444][T14840] rtm_new_nexthop+0x3f0/0x5c0 [ 1382.308444][T14840] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.308444][T14840] netlink_rcv_skb+0x130/0x360 [ 1382.308444][T14840] netlink_unicast+0x449/0x710 [ 1382.308444][T14840] netlink_sendmsg+0x723/0xbe0 [ 1382.308444][T14840] ____sys_sendmsg+0x7b2/0xa10 [ 1382.308444][T14840] ___sys_sendmsg+0xee/0x170 [ 1382.308444][T14840] __sys_sendmsg+0xcd/0x170 [ 1382.308444][T14840] do_syscall_64+0xc6/0x1e0 [ 1382.308444][T14840] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.308444][T14840] [ 1382.310214][T14840] ref_tracker: veth_A-R1@ffff8880061315e0 was allocated by ip and has 1/4 users at [ 1382.310214][T14840] ipv6_add_dev+0x3ba/0x11c0 [ 1382.310214][T14840] addrconf_notify+0x344/0xd60 [ 1382.310214][T14840] notifier_call_chain+0xcd/0x150 [ 1382.310214][T14840] register_netdevice+0x108b/0x1690 [ 1382.310214][T14840] veth_newlink+0x401/0x830 [ 1382.310214][T14840] rtnl_newlink_create+0x341/0x850 [ 1382.310214][T14840] __rtnl_newlink+0xac9/0xd80 [ 1382.310214][T14840] rtnl_newlink+0x63/0xa0 [ 1382.310214][T14840] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.310214][T14840] netlink_rcv_skb+0x130/0x360 [ 1382.310214][T14840] netlink_unicast+0x449/0x710 [ 1382.310214][T14840] netlink_sendmsg+0x723/0xbe0 [ 1382.310214][T14840] ____sys_sendmsg+0x7b2/0xa10 [ 1382.310214][T14840] ___sys_sendmsg+0xee/0x170 [ 1382.310214][T14840] __sys_sendmsg+0xcd/0x170 [ 1382.310214][T14840] do_syscall_64+0xc6/0x1e0 [ 1382.310214][T14840]