[ 28.077105][ T273] eth1: renamed from tmp [ 29.097181][ T281] eth2: renamed from tmp [ 30.461000][ T292] l2tp_core: L2TP core driver, V2.0 [ 30.480468][ T292] l2tp_netlink: L2TP netlink interface [ 30.588956][ T293] l2tp_ip: L2TP IP encapsulation support (L2TPv3) [ 30.822838][ T297] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) [ 32.044209][ T307] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) [ 32.299383][ C1] [ 32.299564][ C1] ======================================================== [ 32.299807][ C1] WARNING: possible irq lock inversion dependency detected [ 32.300049][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 32.300207][ C1] -------------------------------------------------------- [ 32.300435][ C1] kworker/u16:0/10 just changed the state of lock: [ 32.300635][ C1] ffff888006643d80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 32.300919][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 32.301146][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 32.301150][ C1] [ 32.301150][ C1] [ 32.301150][ C1] and interrupts could create inverse lock ordering between them. [ 32.301150][ C1] [ 32.301721][ C1] [ 32.301721][ C1] other info that might help us debug this: [ 32.301954][ C1] Possible interrupt unsafe locking scenario: [ 32.301954][ C1] [ 32.302183][ C1] CPU0 CPU1 [ 32.302338][ C1] ---- ---- [ 32.302491][ C1] lock(&p->alloc_lock); [ 32.302613][ C1] local_irq_disable(); [ 32.302804][ C1] lock(&ndev->lock); [ 32.303001][ C1] lock(&p->alloc_lock); [ 32.303194][ C1] [ 32.303315][ C1] lock(&ndev->lock); [ 32.303433][ C1] [ 32.303433][ C1] *** DEADLOCK *** [ 32.303433][ C1] [ 32.303659][ C1] 9 locks held by kworker/u16:0/10: [ 32.303814][ C1] #0: ffff88800546b548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 32.304146][ C1] #1: ffffc900000afda0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 32.304496][ C1] #2: ffffffffb8db7208 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xaf/0xab0 [ 32.304771][ C1] #3: ffff8880067ebd38 (&idev->mc_lock){+.+.}-{3:3}, at: ipv6_mc_dad_complete+0x23/0x210 [ 32.305047][ C1] #4: ffffffffb8566360 (rcu_read_lock){....}-{1:2}, at: mld_sendpack+0x187/0xbc0 [ 32.305323][ C1] #5: ffffffffb8566360 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x32b/0xf60 [ 32.305594][ C1] #6: ffffffffb8566360 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 32.305869][ C1] #7: ffffffffb8566360 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x32b/0xf60 [ 32.306253][ C1] #8: ffffffffb8566360 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 32.306531][ C1] [ 32.306531][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 32.306900][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 32.307064][ C1] HARDIRQ-ON-W at: [ 32.307183][ C1] __lock_acquire+0x797/0x1570 [ 32.307383][ C1] lock_acquire.part.0+0xeb/0x330 [ 32.307680][ C1] _raw_spin_lock+0x30/0x40 [ 32.307888][ C1] set_mems_allowed+0x1d/0x210 [ 32.308087][ C1] kernel_init_freeable+0x72/0x310 [ 32.308386][ C1] kernel_init+0x20/0x200 [ 32.308582][ C1] ret_from_fork+0x31/0x70 [ 32.308780][ C1] ret_from_fork_asm+0x1a/0x30 [ 32.308977][ C1] SOFTIRQ-ON-W at: [ 32.309202][ C1] __lock_acquire+0x797/0x1570 [ 32.309407][ C1] lock_acquire.part.0+0xeb/0x330 [ 32.309604][ C1] _raw_spin_lock+0x30/0x40 [ 32.309800][ C1] set_mems_allowed+0x1d/0x210 [ 32.310107][ C1] kernel_init_freeable+0x72/0x310 [ 32.310305][ C1] kernel_init+0x20/0x200 [ 32.310500][ C1] ret_from_fork+0x31/0x70 [ 32.310701][ C1] ret_from_fork_asm+0x1a/0x30 [ 32.310897][ C1] INITIAL USE at: [ 32.311016][ C1] __lock_acquire+0x797/0x1570 [ 32.311214][ C1] lock_acquire.part.0+0xeb/0x330 [ 32.311413][ C1] _raw_spin_lock+0x30/0x40 [ 32.311612][ C1] set_mems_allowed+0x1d/0x210 [ 32.311811][ C1] kernel_init_freeable+0x72/0x310 [ 32.312111][ C1] kernel_init+0x20/0x200 [ 32.312308][ C1] ret_from_fork+0x31/0x70 [ 32.312506][ C1] ret_from_fork_asm+0x1a/0x30 [ 32.312703][ C1] } [ 32.312883][ C1] ... key at: [] __key.388+0x0/0x40 [ 32.313137][ C1] ... acquired at: [ 32.313271][ C1] __lock_acquire+0xaf0/0x1570 [ 32.313432][ C1] lock_acquire.part.0+0xeb/0x330 [ 32.313689][ C1] _raw_spin_lock+0x30/0x40 [ 32.313843][ C1] __get_task_comm+0x27/0x70 [ 32.314003][ C1] ref_tracker_alloc+0x2ee/0x490 [ 32.314159][ C1] netdev_get_by_index+0x5e/0x80 [ 32.314414][ C1] fib6_nh_init+0x3d8/0x1580 [ 32.314568][ C1] ip6_route_info_create+0xf18/0x17d0 [ 32.314731][ C1] addrconf_f6i_alloc+0x265/0x560 [ 32.314886][ C1] __ipv6_dev_ac_inc+0x25f/0xb10 [ 32.315041][ C1] addrconf_join_anycast+0x1c0/0x220 [ 32.315296][ C1] __ipv6_ifa_notify+0x6b3/0xaf0 [ 32.315450][ C1] addrconf_dad_completed+0x12b/0xe20 [ 32.315604][ C1] addrconf_dad_begin+0x310/0x670 [ 32.315760][ C1] addrconf_dad_work+0x10b/0xab0 [ 32.316030][ C1] process_one_work+0xe2c/0x1730 [ 32.316186][ C1] worker_thread+0x587/0xd30 [ 32.316340][ C1] kthread+0x28a/0x350 [ 32.316457][ C1] ret_from_fork+0x31/0x70 [ 32.316613][ C1] ret_from_fork_asm+0x1a/0x30 [ 32.316767][ C1] [ 32.316849][ C1] -> (&ndev->lock){++.-}-{2:2} { [ 32.317009][ C1] HARDIRQ-ON-W at: [ 32.317125][ C1] __lock_acquire+0x797/0x1570 [ 32.317324][ C1] lock_acquire.part.0+0xeb/0x330 [ 32.317518][ C1] _raw_write_lock_bh+0x38/0x50 [ 32.317712][ C1] addrconf_permanent_addr+0x6e/0x670 [ 32.317929][ C1] addrconf_notify+0x749/0xd60 [ 32.318225][ C1] notifier_call_chain+0xcd/0x150 [ 32.318418][ C1] __dev_notify_flags+0xe6/0x250 [ 32.318616][ C1] dev_change_flags+0xec/0x160 [ 32.318910][ C1] do_setlink+0x7d6/0x21e0 [ 32.319106][ C1] __rtnl_newlink+0xaa7/0xd80 [ 32.319300][ C1] rtnl_newlink+0x63/0xa0 [ 32.319595][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 32.319788][ C1] netlink_rcv_skb+0x130/0x360 [ 32.319988][ C1] netlink_unicast+0x449/0x710 [ 32.320184][ C1] netlink_sendmsg+0x723/0xbe0 [ 32.320479][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 32.320673][ C1] ___sys_sendmsg+0xee/0x170 [ 32.320868][ C1] __sys_sendmsg+0xcd/0x170 [ 32.321163][ C1] do_syscall_64+0xc6/0x1e0 [ 32.321362][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 32.321599][ C1] HARDIRQ-ON-R at: [ 32.321717][ C1] __lock_acquire+0x797/0x1570 [ 32.322022][ C1] lock_acquire.part.0+0xeb/0x330 [ 32.322222][ C1] _raw_read_lock_bh+0x44/0x80 [ 32.322419][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 32.322614][ C1] inet6_fill_link_af+0x5e/0xe0 [ 32.322808][ C1] rtnl_fill_ifinfo+0x1615/0x2a90 [ 32.323005][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 32.323199][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 32.323541][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 32.323734][ C1] register_netdevice+0x1177/0x1690 [ 32.323929][ C1] register_netdev+0x20/0x40 [ 32.324224][ C1] vti6_init_net+0x25d/0x380 [ 32.324422][ C1] ops_init+0x9b/0x560 [ 32.324581][ C1] register_pernet_operations+0x2db/0x710 [ 32.325051][ C1] register_pernet_device+0x2a/0x60 [ 32.325252][ C1] vti6_tunnel_init+0x18/0x110 [ 32.325445][ C1] do_one_initcall+0x8d/0x1e0 [ 32.325642][ C1] do_initcalls+0x1b2/0x3e0 [ 32.325842][ C1] kernel_init_freeable+0x232/0x310 [ 32.326037][ C1] kernel_init+0x20/0x200 [ 32.326231][ C1] ret_from_fork+0x31/0x70 [ 32.326425][ C1] ret_from_fork_asm+0x1a/0x30 [ 32.326619][ C1] IN-SOFTIRQ-R at: [ 32.326738][ C1] __lock_acquire+0x797/0x1570 [ 32.326932][ C1] lock_acquire.part.0+0xeb/0x330 [ 32.327132][ C1] _raw_read_lock_bh+0x44/0x80 [ 32.327326][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 32.327519][ C1] ndisc_send_ns+0xe7/0x100 [ 32.327823][ C1] ndisc_solicit+0x2ae/0x4d0 [ 32.328018][ C1] neigh_probe+0xaa/0xf0 [ 32.328212][ C1] __neigh_event_send+0x7af/0xfe0 [ 32.328407][ C1] neigh_resolve_output+0x470/0x7c0 [ 32.328704][ C1] ip6_finish_output2+0x512/0xf60 [ 32.328901][ C1] ip6_finish_output+0x553/0xdf0 [ 32.329094][ C1] ip6_output+0x1f3/0x770 [ 32.329387][ C1] ip6_forward+0xf29/0x2980 [ 32.329579][ C1] ipv6_rcv+0x626/0x810 [ 32.329772][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 32.330112][ C1] process_backlog+0x103/0x670 [ 32.330305][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 32.330498][ C1] net_rx_action+0x49f/0xc00 [ 32.330691][ C1] __do_softirq+0x1f8/0x5df [ 32.330985][ C1] do_softirq+0x4d/0xa0 [ 32.331181][ C1] __local_bh_enable_ip+0xf6/0x120 [ 32.331378][ C1] __dev_queue_xmit+0x6bc/0x16e0 [ 32.331673][ C1] ip6_finish_output2+0x512/0xf60 [ 32.331865][ C1] ip6_finish_output+0x553/0xdf0 [ 32.332059][ C1] ip6_output+0x1f3/0x770 [ 32.332358][ C1] NF_HOOK.constprop.0+0xe2/0x680 [ 32.332552][ C1] mld_sendpack+0x62d/0xbc0 [ 32.332749][ C1] ipv6_mc_dad_complete+0x195/0x210 [ 32.332944][ C1] addrconf_dad_completed+0x8bf/0xe20 [ 32.333238][ C1] addrconf_dad_begin+0x310/0x670 [ 32.333437][ C1] addrconf_dad_work+0x10b/0xab0 [ 32.333629][ C1] process_one_work+0xe2c/0x1730 [ 32.333924][ C1] worker_thread+0x587/0xd30 [ 32.334121][ C1] kthread+0x28a/0x350 [ 32.334278][ C1] ret_from_fork+0x31/0x70 [ 32.334480][ C1] ret_from_fork_asm+0x1a/0x30 [ 32.334775][ C1] INITIAL USE at: [ 32.334891][ C1] __lock_acquire+0x797/0x1570 [ 32.335086][ C1] lock_acquire.part.0+0xeb/0x330 [ 32.335280][ C1] _raw_write_lock_bh+0x38/0x50 [ 32.335579][ C1] addrconf_permanent_addr+0x6e/0x670 [ 32.335787][ C1] addrconf_notify+0x749/0xd60 [ 32.335980][ C1] notifier_call_chain+0xcd/0x150 [ 32.336275][ C1] __dev_notify_flags+0xe6/0x250 [ 32.336468][ C1] dev_change_flags+0xec/0x160 [ 32.336661][ C1] do_setlink+0x7d6/0x21e0 [ 32.337091][ C1] __rtnl_newlink+0xaa7/0xd80 [ 32.337286][ C1] rtnl_newlink+0x63/0xa0 [ 32.337479][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 32.337672][ C1] netlink_rcv_skb+0x130/0x360 [ 32.337874][ C1] netlink_unicast+0x449/0x710 [ 32.338076][ C1] netlink_sendmsg+0x723/0xbe0 [ 32.338270][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 32.338469][ C1] ___sys_sendmsg+0xee/0x170 [ 32.338663][ C1] __sys_sendmsg+0xcd/0x170 [ 32.338857][ C1] do_syscall_64+0xc6/0x1e0 [ 32.339062][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 32.339294][ C1] INITIAL READ USE at: [ 32.339410][ C1] __lock_acquire+0x797/0x1570 [ 32.339604][ C1] lock_acquire.part.0+0xeb/0x330 [ 32.339907][ C1] _raw_read_lock_bh+0x44/0x80 [ 32.340102][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 32.340337][ C1] inet6_fill_link_af+0x5e/0xe0 [ 32.340632][ C1] rtnl_fill_ifinfo+0x1615/0x2a90 [ 32.340826][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 32.341064][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 32.341407][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 32.341620][ C1] register_netdevice+0x1177/0x1690 [ 32.341864][ C1] register_netdev+0x20/0x40 [ 32.342057][ C1] vti6_init_net+0x25d/0x380 [ 32.342354][ C1] ops_init+0x9b/0x560 [ 32.342551][ C1] register_pernet_operations+0x2db/0x710 [ 32.342786][ C1] register_pernet_device+0x2a/0x60 [ 32.343141][ C1] vti6_tunnel_init+0x18/0x110 [ 32.343346][ C1] do_one_initcall+0x8d/0x1e0 [ 32.343548][ C1] do_initcalls+0x1b2/0x3e0 [ 32.343744][ C1] kernel_init_freeable+0x232/0x310 [ 32.343979][ C1] kernel_init+0x20/0x200 [ 32.344173][ C1] ret_from_fork+0x31/0x70 [ 32.344370][ C1] ret_from_fork_asm+0x1a/0x30 [ 32.344564][ C1] } [ 32.344644][ C1] ... key at: [] __key.37+0x0/0x40 [ 32.344878][ C1] ... acquired at: [ 32.345093][ C1] mark_lock+0x28d/0x3e0 [ 32.345252][ C1] mark_usage+0xd9/0x2a0 [ 32.345409][ C1] __lock_acquire+0x797/0x1570 [ 32.345565][ C1] lock_acquire.part.0+0xeb/0x330 [ 32.345719][ C1] _raw_read_lock_bh+0x44/0x80 [ 32.345972][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 32.346125][ C1] ndisc_send_ns+0xe7/0x100 [ 32.346280][ C1] ndisc_solicit+0x2ae/0x4d0 [ 32.346433][ C1] neigh_probe+0xaa/0xf0 [ 32.346690][ C1] __neigh_event_send+0x7af/0xfe0 [ 32.346854][ C1] neigh_resolve_output+0x470/0x7c0 [ 32.347008][ C1] ip6_finish_output2+0x512/0xf60 [ 32.347162][ C1] ip6_finish_output+0x553/0xdf0 [ 32.347416][ C1] ip6_output+0x1f3/0x770 [ 32.347570][ C1] ip6_forward+0xf29/0x2980 [ 32.347725][ C1] ipv6_rcv+0x626/0x810 [ 32.347847][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 32.348138][ C1] process_backlog+0x103/0x670 [ 32.348303][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 32.348457][ C1] net_rx_action+0x49f/0xc00 [ 32.348611][ C1] __do_softirq+0x1f8/0x5df [ 32.348767][ C1] do_softirq+0x4d/0xa0 [ 32.349118][ C1] __local_bh_enable_ip+0xf6/0x120 [ 32.349276][ C1] __dev_queue_xmit+0x6bc/0x16e0 [ 32.349430][ C1] ip6_finish_output2+0x512/0xf60 [ 32.349583][ C1] ip6_finish_output+0x553/0xdf0 [ 32.349739][ C1] ip6_output+0x1f3/0x770 [ 32.349892][ C1] NF_HOOK.constprop.0+0xe2/0x680 [ 32.350049][ C1] mld_sendpack+0x62d/0xbc0 [ 32.350203][ C1] ipv6_mc_dad_complete+0x195/0x210 [ 32.350359][ C1] addrconf_dad_completed+0x8bf/0xe20 [ 32.350512][ C1] addrconf_dad_begin+0x310/0x670 [ 32.350669][ C1] addrconf_dad_work+0x10b/0xab0 [ 32.350827][ C1] process_one_work+0xe2c/0x1730 [ 32.350984][ C1] worker_thread+0x587/0xd30 [ 32.351137][ C1] kthread+0x28a/0x350 [ 32.351254][ C1] ret_from_fork+0x31/0x70 [ 32.351420][ C1] ret_from_fork_asm+0x1a/0x30 [ 32.351572][ C1] [ 32.351650][ C1] [ 32.351650][ C1] stack backtrace: [ 32.351935][ C1] CPU: 1 PID: 10 Comm: kworker/u16:0 Not tainted 6.9.0-rc1-virtme #1 [ 32.352175][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.352614][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 32.352812][ C1] Call Trace: [ 32.352932][ C1] [ 32.353021][ C1] dump_stack_lvl+0x82/0xd0 [ 32.353183][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 32.353473][ C1] ? ret_from_fork_asm+0x1a/0x30 [ 32.353635][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 32.353825][ C1] ? __pfx_usage_skip+0x10/0x10 [ 32.354080][ C1] ? __pfx_usage_match+0x10/0x10 [ 32.354234][ C1] ? arch_stack_walk+0x8c/0xf0 [ 32.354394][ C1] mark_lock_irq+0x4cd/0xa10 [ 32.354549][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 32.354702][ C1] ? stack_trace_save+0x94/0xd0 [ 32.354957][ C1] ? save_trace+0x8f/0x5b0 [ 32.355112][ C1] mark_lock+0x28d/0x3e0 [ 32.355233][ C1] mark_usage+0xd9/0x2a0 [ 32.355352][ C1] __lock_acquire+0x797/0x1570 [ 32.355608][ C1] lock_acquire.part.0+0xeb/0x330 [ 32.355762][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 32.355916][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 32.356070][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 32.356232][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 32.356484][ C1] ? lock_acquire+0x32/0xc0 [ 32.356642][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 32.356796][ C1] _raw_read_lock_bh+0x44/0x80 [ 32.356950][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 32.357200][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 32.357354][ C1] ndisc_send_ns+0xe7/0x100 [ 32.357508][ C1] ? __pfx_ndisc_send_ns+0x10/0x10 [ 32.357664][ C1] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 32.357963][ C1] ndisc_solicit+0x2ae/0x4d0 [ 32.358118][ C1] ? __pfx_ndisc_solicit+0x10/0x10 [ 32.358279][ C1] ? neigh_probe+0x57/0xf0 [ 32.358434][ C1] neigh_probe+0xaa/0xf0 [ 32.358650][ C1] __neigh_event_send+0x7af/0xfe0 [ 32.358808][ C1] neigh_resolve_output+0x470/0x7c0 [ 32.358962][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 32.359116][ C1] ? ___neigh_create+0x7c6/0xe10 [ 32.359271][ C1] ip6_finish_output2+0x512/0xf60 [ 32.359524][ C1] ip6_finish_output+0x553/0xdf0 [ 32.359683][ C1] ip6_output+0x1f3/0x770 [ 32.359800][ C1] ? __pfx_ip6_output+0x10/0x10 [ 32.359963][ C1] ? ip6_dst_mtu_maybe_forward.constprop.0+0x189/0x3c0 [ 32.360255][ C1] ip6_forward+0xf29/0x2980 [ 32.360407][ C1] ? ip6_route_input+0x5a4/0xa50 [ 32.360568][ C1] ? __pfx_ip6_forward+0x10/0x10 [ 32.360723][ C1] ? ip6_rcv_core+0x9e5/0x1ae0 [ 32.361111][ C1] ? ipv6_rcv+0x626/0x810 [ 32.361230][ C1] ipv6_rcv+0x626/0x810 [ 32.361350][ C1] ? __pfx_ipv6_rcv+0x10/0x10 [ 32.361504][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 32.361658][ C1] ? process_backlog+0x1f8/0x670 [ 32.361812][ C1] ? __pfx_ipv6_rcv+0x10/0x10 [ 32.361968][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 32.362162][ C1] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 32.362354][ C1] ? process_backlog+0x1f8/0x670 [ 32.362507][ C1] ? lock_acquire+0x32/0xc0 [ 32.362665][ C1] ? process_backlog+0x1f8/0x670 [ 32.362819][ C1] process_backlog+0x103/0x670 [ 32.362975][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 32.363133][ C1] net_rx_action+0x49f/0xc00 [ 32.363289][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 32.363442][ C1] ? do_raw_spin_lock+0x131/0x270 [ 32.363595][ C1] ? tmigr_cpu_activate+0x280/0x290 [ 32.363851][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 32.364048][ C1] __do_softirq+0x1f8/0x5df [ 32.364208][ C1] ? __dev_queue_xmit+0x6a7/0x16e0 [ 32.364362][ C1] do_softirq+0x4d/0xa0 [ 32.364576][ C1] [ 32.364655][ C1] [ 32.364734][ C1] __local_bh_enable_ip+0xf6/0x120 [ 32.364890][ C1] ? __dev_queue_xmit+0x6a7/0x16e0 [ 32.365043][ C1] __dev_queue_xmit+0x6bc/0x16e0 [ 32.365197][ C1] ? mark_lock+0x38/0x3e0 [ 32.365417][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 32.365571][ C1] ? mark_held_locks+0x9e/0xe0 [ 32.365725][ C1] ? eth_header+0x158/0x1a0 [ 32.365880][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 32.366133][ C1] ? neigh_resolve_output+0x409/0x7c0 [ 32.366289][ C1] ip6_finish_output2+0x512/0xf60 [ 32.366445][ C1] ip6_finish_output+0x553/0xdf0 [ 32.366600][ C1] ip6_output+0x1f3/0x770 [ 32.366720][ C1] ? __pfx_ip6_output+0x10/0x10 [ 32.366972][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 32.367126][ C1] ? find_held_lock+0x2c/0x110 [ 32.367278][ C1] ? __lock_release+0x103/0x460 [ 32.367431][ C1] ? icmp6_dst_alloc+0x2c0/0x450 [ 32.367687][ C1] NF_HOOK.constprop.0+0xe2/0x680 [ 32.367854][ C1] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 32.368008][ C1] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10 [ 32.368200][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 32.368491][ C1] ? icmp6_dst_alloc+0x2c0/0x450 [ 32.368646][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 32.368800][ C1] mld_sendpack+0x62d/0xbc0 [ 32.368956][ C1] ? __pfx_mld_sendpack+0x10/0x10 [ 32.369212][ C1] ipv6_mc_dad_complete+0x195/0x210 [ 32.369367][ C1] addrconf_dad_completed+0x8bf/0xe20 [ 32.369519][ C1] ? hlock_class+0x4e/0x130 [ 32.369678][ C1] ? __pfx_addrconf_dad_completed+0x10/0x10 [ 32.369970][ C1] ? mark_held_locks+0x9e/0xe0 [ 32.370125][ C1] ? addrconf_dad_begin+0x310/0x670 [ 32.370278][ C1] addrconf_dad_begin+0x310/0x670 [ 32.370431][ C1] ? hlock_class+0x4e/0x130 [ 32.370683][ C1] ? __pfx_addrconf_dad_begin+0x10/0x10 [ 32.370837][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 32.371032][ C1] addrconf_dad_work+0x10b/0xab0 [ 32.371189][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 32.371443][ C1] ? __pfx_addrconf_dad_work+0x10/0x10 [ 32.371595][ C1] ? process_one_work+0xde2/0x1730 [ 32.371753][ C1] ? lock_acquire+0x32/0xc0 [ 32.371906][ C1] ? process_one_work+0xde2/0x1730 [ 32.372161][ C1] process_one_work+0xe2c/0x1730 [ 32.372316][ C1] ? __pfx___lock_release+0x10/0x10 [ 32.372470][ C1] ? __pfx_process_one_work+0x10/0x10 [ 32.372630][ C1] ? assign_work+0x16c/0x240 [ 32.372785][ C1] worker_thread+0x587/0xd30 [ 32.373186][ C1] ? __pfx_worker_thread+0x10/0x10 [ 32.373344][ C1] kthread+0x28a/0x350 [ 32.373472][ C1] ? __pfx_kthread+0x10/0x10 [ 32.373626][ C1] ret_from_fork+0x31/0x70 [ 32.373781][ C1] ? __pfx_kthread+0x10/0x10 [ 32.373933][ C1] ret_from_fork_asm+0x1a/0x30 [ 32.374097][ C1] [ 34.193306][ T327] Initializing XFRM netlink socket