[ 28.723488][ T271] ip (271) used greatest stack depth: 23520 bytes left [ 28.982077][ T274] eth1: renamed from tmp [ 29.986648][ T282] eth2: renamed from tmp [ 31.353794][ T293] l2tp_core: L2TP core driver, V2.0 [ 31.381737][ T293] l2tp_netlink: L2TP netlink interface [ 31.525711][ T294] l2tp_ip: L2TP IP encapsulation support (L2TPv3) [ 31.781858][ T298] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) [ 33.026481][ T308] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) [ 33.294494][ C0] [ 33.294674][ C0] ======================================================== [ 33.294907][ C0] WARNING: possible irq lock inversion dependency detected [ 33.295140][ C0] 6.9.0-rc1-virtme #1 Not tainted [ 33.295298][ C0] -------------------------------------------------------- [ 33.295529][ C0] kworker/u16:0/10 just changed the state of lock: [ 33.295721][ C0] ffff8880061b6d80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 33.296019][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 33.296252][ C0] (&p->alloc_lock){+.+.}-{2:2} [ 33.296256][ C0] [ 33.296256][ C0] [ 33.296256][ C0] and interrupts could create inverse lock ordering between them. [ 33.296256][ C0] [ 33.296828][ C0] [ 33.296828][ C0] other info that might help us debug this: [ 33.297058][ C0] Possible interrupt unsafe locking scenario: [ 33.297058][ C0] [ 33.297293][ C0] CPU0 CPU1 [ 33.297449][ C0] ---- ---- [ 33.297604][ C0] lock(&p->alloc_lock); [ 33.297723][ C0] local_irq_disable(); [ 33.297918][ C0] lock(&ndev->lock); [ 33.298116][ C0] lock(&p->alloc_lock); [ 33.298326][ C0] [ 33.298445][ C0] lock(&ndev->lock); [ 33.298565][ C0] [ 33.298565][ C0] *** DEADLOCK *** [ 33.298565][ C0] [ 33.298791][ C0] 9 locks held by kworker/u16:0/10: [ 33.298946][ C0] #0: ffff8880053f3548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 33.299270][ C0] #1: ffffc900000afda0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 33.299629][ C0] #2: ffffffff90bb7208 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xaf/0xab0 [ 33.299920][ C0] #3: ffff888005fb8d38 (&idev->mc_lock){+.+.}-{3:3}, at: ipv6_mc_dad_complete+0x23/0x210 [ 33.300196][ C0] #4: ffffffff90366360 (rcu_read_lock){....}-{1:2}, at: mld_sendpack+0x187/0xbc0 [ 33.300469][ C0] #5: ffffffff90366360 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x32b/0xf60 [ 33.300748][ C0] #6: ffffffff90366360 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 33.301021][ C0] #7: ffffffff90366360 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x32b/0xf60 [ 33.301297][ C0] #8: ffffffff90366360 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 33.301569][ C0] [ 33.301569][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 33.301839][ C0] -> (&p->alloc_lock){+.+.}-{2:2} { [ 33.302006][ C0] HARDIRQ-ON-W at: [ 33.302127][ C0] __lock_acquire+0x797/0x1570 [ 33.302327][ C0] lock_acquire.part.0+0xeb/0x330 [ 33.302524][ C0] _raw_spin_lock+0x30/0x40 [ 33.302722][ C0] set_mems_allowed+0x1d/0x210 [ 33.302924][ C0] kernel_init_freeable+0x72/0x310 [ 33.303120][ C0] kernel_init+0x20/0x200 [ 33.303330][ C0] ret_from_fork+0x31/0x70 [ 33.303531][ C0] ret_from_fork_asm+0x1a/0x30 [ 33.303727][ C0] SOFTIRQ-ON-W at: [ 33.303847][ C0] __lock_acquire+0x797/0x1570 [ 33.304048][ C0] lock_acquire.part.0+0xeb/0x330 [ 33.304248][ C0] _raw_spin_lock+0x30/0x40 [ 33.304449][ C0] set_mems_allowed+0x1d/0x210 [ 33.304646][ C0] kernel_init_freeable+0x72/0x310 [ 33.304843][ C0] kernel_init+0x20/0x200 [ 33.305039][ C0] ret_from_fork+0x31/0x70 [ 33.305240][ C0] ret_from_fork_asm+0x1a/0x30 [ 33.305438][ C0] INITIAL USE at: [ 33.305555][ C0] __lock_acquire+0x797/0x1570 [ 33.305754][ C0] lock_acquire.part.0+0xeb/0x330 [ 33.305949][ C0] _raw_spin_lock+0x30/0x40 [ 33.306145][ C0] set_mems_allowed+0x1d/0x210 [ 33.306340][ C0] kernel_init_freeable+0x72/0x310 [ 33.306540][ C0] kernel_init+0x20/0x200 [ 33.306737][ C0] ret_from_fork+0x31/0x70 [ 33.306932][ C0] ret_from_fork_asm+0x1a/0x30 [ 33.307133][ C0] } [ 33.307214][ C0] ... key at: [] __key.388+0x0/0x40 [ 33.307449][ C0] ... acquired at: [ 33.307566][ C0] __lock_acquire+0xaf0/0x1570 [ 33.307725][ C0] lock_acquire.part.0+0xeb/0x330 [ 33.307882][ C0] _raw_spin_lock+0x30/0x40 [ 33.308039][ C0] __get_task_comm+0x27/0x70 [ 33.308196][ C0] ref_tracker_alloc+0x2ee/0x490 [ 33.308362][ C0] netdev_get_by_index+0x5e/0x80 [ 33.308519][ C0] fib6_nh_init+0x3d8/0x1580 [ 33.308678][ C0] ip6_route_info_create+0xf18/0x17d0 [ 33.308835][ C0] addrconf_f6i_alloc+0x265/0x560 [ 33.308992][ C0] __ipv6_dev_ac_inc+0x25f/0xb10 [ 33.309148][ C0] addrconf_join_anycast+0x1c0/0x220 [ 33.309303][ C0] __ipv6_ifa_notify+0x6b3/0xaf0 [ 33.309563][ C0] addrconf_dad_completed+0x12b/0xe20 [ 33.309718][ C0] addrconf_dad_begin+0x310/0x670 [ 33.309872][ C0] addrconf_dad_work+0x10b/0xab0 [ 33.310025][ C0] process_one_work+0xe2c/0x1730 [ 33.310284][ C0] worker_thread+0x587/0xd30 [ 33.310440][ C0] kthread+0x28a/0x350 [ 33.310558][ C0] ret_from_fork+0x31/0x70 [ 33.310715][ C0] ret_from_fork_asm+0x1a/0x30 [ 33.310872][ C0] [ 33.311147][ C0] -> (&ndev->lock){++.-}-{2:2} { [ 33.311308][ C0] HARDIRQ-ON-W at: [ 33.311428][ C0] __lock_acquire+0x797/0x1570 [ 33.311625][ C0] lock_acquire.part.0+0xeb/0x330 [ 33.311935][ C0] _raw_write_lock_bh+0x38/0x50 [ 33.312134][ C0] addrconf_permanent_addr+0x6e/0x670 [ 33.312332][ C0] addrconf_notify+0x749/0xd60 [ 33.312533][ C0] notifier_call_chain+0xcd/0x150 [ 33.312839][ C0] __dev_notify_flags+0xe6/0x250 [ 33.313041][ C0] dev_change_flags+0xec/0x160 [ 33.313239][ C0] do_setlink+0x7d6/0x21e0 [ 33.313550][ C0] __rtnl_newlink+0xaa7/0xd80 [ 33.313748][ C0] rtnl_newlink+0x63/0xa0 [ 33.313950][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 33.314147][ C0] netlink_rcv_skb+0x130/0x360 [ 33.314345][ C0] netlink_unicast+0x449/0x710 [ 33.314555][ C0] netlink_sendmsg+0x723/0xbe0 [ 33.314756][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 33.314954][ C0] ___sys_sendmsg+0xee/0x170 [ 33.315154][ C0] __sys_sendmsg+0xcd/0x170 [ 33.315353][ C0] do_syscall_64+0xc6/0x1e0 [ 33.315652][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 33.315888][ C0] HARDIRQ-ON-R at: [ 33.316013][ C0] __lock_acquire+0x797/0x1570 [ 33.316210][ C0] lock_acquire.part.0+0xeb/0x330 [ 33.316532][ C0] _raw_read_lock_bh+0x44/0x80 [ 33.316731][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 33.316942][ C0] inet6_fill_link_af+0x5e/0xe0 [ 33.317141][ C0] rtnl_fill_ifinfo+0x1615/0x2a90 [ 33.317346][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 33.317544][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 33.317775][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 33.317969][ C0] register_netdevice+0x1177/0x1690 [ 33.318163][ C0] register_netdev+0x20/0x40 [ 33.318369][ C0] vti6_init_net+0x25d/0x380 [ 33.318673][ C0] ops_init+0x9b/0x560 [ 33.318829][ C0] register_pernet_operations+0x2db/0x710 [ 33.319060][ C0] register_pernet_device+0x2a/0x60 [ 33.319366][ C0] vti6_tunnel_init+0x18/0x110 [ 33.319563][ C0] do_one_initcall+0x8d/0x1e0 [ 33.319761][ C0] do_initcalls+0x1b2/0x3e0 [ 33.319967][ C0] kernel_init_freeable+0x232/0x310 [ 33.320166][ C0] kernel_init+0x20/0x200 [ 33.320360][ C0] ret_from_fork+0x31/0x70 [ 33.320555][ C0] ret_from_fork_asm+0x1a/0x30 [ 33.320754][ C0] IN-SOFTIRQ-R at: [ 33.320870][ C0] __lock_acquire+0x797/0x1570 [ 33.321065][ C0] lock_acquire.part.0+0xeb/0x330 [ 33.321259][ C0] _raw_read_lock_bh+0x44/0x80 [ 33.321574][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 33.321771][ C0] ndisc_send_ns+0xe7/0x100 [ 33.321966][ C0] ndisc_solicit+0x2ae/0x4d0 [ 33.322160][ C0] neigh_probe+0xaa/0xf0 [ 33.322362][ C0] __neigh_event_send+0x7af/0xfe0 [ 33.322556][ C0] neigh_resolve_output+0x470/0x7c0 [ 33.322763][ C0] ip6_finish_output2+0x512/0xf60 [ 33.323060][ C0] ip6_finish_output+0x553/0xdf0 [ 33.323254][ C0] ip6_output+0x1f3/0x770 [ 33.323452][ C0] ip6_forward+0xf29/0x2980 [ 33.323746][ C0] ipv6_rcv+0x626/0x810 [ 33.323943][ C0] __netif_receive_skb_one_core+0x118/0x1b0 [ 33.324179][ C0] process_backlog+0x103/0x670 [ 33.324490][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 33.324684][ C0] net_rx_action+0x49f/0xc00 [ 33.324881][ C0] __do_softirq+0x1f8/0x5df [ 33.325086][ C0] do_softirq+0x4d/0xa0 [ 33.325281][ C0] __local_bh_enable_ip+0xf6/0x120 [ 33.325476][ C0] __dev_queue_xmit+0x6bc/0x16e0 [ 33.325674][ C0] ip6_finish_output2+0x512/0xf60 [ 33.325868][ C0] ip6_finish_output+0x553/0xdf0 [ 33.326064][ C0] ip6_output+0x1f3/0x770 [ 33.326258][ C0] NF_HOOK.constprop.0+0xe2/0x680 [ 33.326554][ C0] mld_sendpack+0x62d/0xbc0 [ 33.326749][ C0] ipv6_mc_dad_complete+0x195/0x210 [ 33.326947][ C0] addrconf_dad_completed+0x8bf/0xe20 [ 33.327147][ C0] addrconf_dad_begin+0x310/0x670 [ 33.327445][ C0] addrconf_dad_work+0x10b/0xab0 [ 33.327640][ C0] process_one_work+0xe2c/0x1730 [ 33.327834][ C0] worker_thread+0x587/0xd30 [ 33.328031][ C0] kthread+0x28a/0x350 [ 33.328193][ C0] ret_from_fork+0x31/0x70 [ 33.328397][ C0] ret_from_fork_asm+0x1a/0x30 [ 33.328594][ C0] INITIAL USE at: [ 33.328712][ C0] __lock_acquire+0x797/0x1570 [ 33.328908][ C0] lock_acquire.part.0+0xeb/0x330 [ 33.329105][ C0] _raw_write_lock_bh+0x38/0x50 [ 33.329300][ C0] addrconf_permanent_addr+0x6e/0x670 [ 33.329609][ C0] addrconf_notify+0x749/0xd60 [ 33.329803][ C0] notifier_call_chain+0xcd/0x150 [ 33.329997][ C0] __dev_notify_flags+0xe6/0x250 [ 33.330194][ C0] dev_change_flags+0xec/0x160 [ 33.330388][ C0] do_setlink+0x7d6/0x21e0 [ 33.330582][ C0] __rtnl_newlink+0xaa7/0xd80 [ 33.330781][ C0] rtnl_newlink+0x63/0xa0 [ 33.330976][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 33.331177][ C0] netlink_rcv_skb+0x130/0x360 [ 33.331373][ C0] netlink_unicast+0x449/0x710 [ 33.331672][ C0] netlink_sendmsg+0x723/0xbe0 [ 33.331867][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 33.332063][ C0] ___sys_sendmsg+0xee/0x170 [ 33.332363][ C0] __sys_sendmsg+0xcd/0x170 [ 33.332557][ C0] do_syscall_64+0xc6/0x1e0 [ 33.332752][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 33.333085][ C0] INITIAL READ USE at: [ 33.333202][ C0] __lock_acquire+0x797/0x1570 [ 33.333398][ C0] lock_acquire.part.0+0xeb/0x330 [ 33.333597][ C0] _raw_read_lock_bh+0x44/0x80 [ 33.333893][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 33.334129][ C0] inet6_fill_link_af+0x5e/0xe0 [ 33.334324][ C0] rtnl_fill_ifinfo+0x1615/0x2a90 [ 33.334725][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 33.334968][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 33.335205][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 33.335500][ C0] register_netdevice+0x1177/0x1690 [ 33.335733][ C0] register_netdev+0x20/0x40 [ 33.335935][ C0] vti6_init_net+0x25d/0x380 [ 33.336130][ C0] ops_init+0x9b/0x560 [ 33.336431][ C0] register_pernet_operations+0x2db/0x710 [ 33.336666][ C0] register_pernet_device+0x2a/0x60 [ 33.336904][ C0] vti6_tunnel_init+0x18/0x110 [ 33.337203][ C0] do_one_initcall+0x8d/0x1e0 [ 33.337398][ C0] do_initcalls+0x1b2/0x3e0 [ 33.337592][ C0] kernel_init_freeable+0x232/0x310 [ 33.337927][ C0] kernel_init+0x20/0x200 [ 33.338125][ C0] ret_from_fork+0x31/0x70 [ 33.338328][ C0] ret_from_fork_asm+0x1a/0x30 [ 33.338640][ C0] } [ 33.338720][ C0] ... key at: [] __key.37+0x0/0x40 [ 33.338951][ C0] ... acquired at: [ 33.339066][ C0] mark_lock+0x28d/0x3e0 [ 33.339224][ C0] mark_usage+0xd9/0x2a0 [ 33.339493][ C0] __lock_acquire+0x797/0x1570 [ 33.339648][ C0] lock_acquire.part.0+0xeb/0x330 [ 33.339803][ C0] _raw_read_lock_bh+0x44/0x80 [ 33.339969][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 33.340124][ C0] ndisc_send_ns+0xe7/0x100 [ 33.340280][ C0] ndisc_solicit+0x2ae/0x4d0 [ 33.340434][ C0] neigh_probe+0xaa/0xf0 [ 33.340588][ C0] __neigh_event_send+0x7af/0xfe0 [ 33.340748][ C0] neigh_resolve_output+0x470/0x7c0 [ 33.340906][ C0] ip6_finish_output2+0x512/0xf60 [ 33.341063][ C0] ip6_finish_output+0x553/0xdf0 [ 33.341217][ C0] ip6_output+0x1f3/0x770 [ 33.341474][ C0] ip6_forward+0xf29/0x2980 [ 33.341628][ C0] ipv6_rcv+0x626/0x810 [ 33.341744][ C0] __netif_receive_skb_one_core+0x118/0x1b0 [ 33.341936][ C0] process_backlog+0x103/0x670 [ 33.342091][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 33.342348][ C0] net_rx_action+0x49f/0xc00 [ 33.342506][ C0] __do_softirq+0x1f8/0x5df [ 33.342661][ C0] do_softirq+0x4d/0xa0 [ 33.342778][ C0] __local_bh_enable_ip+0xf6/0x120 [ 33.343033][ C0] __dev_queue_xmit+0x6bc/0x16e0 [ 33.343187][ C0] ip6_finish_output2+0x512/0xf60 [ 33.343341][ C0] ip6_finish_output+0x553/0xdf0 [ 33.343509][ C0] ip6_output+0x1f3/0x770 [ 33.343764][ C0] NF_HOOK.constprop.0+0xe2/0x680 [ 33.343926][ C0] mld_sendpack+0x62d/0xbc0 [ 33.344081][ C0] ipv6_mc_dad_complete+0x195/0x210 [ 33.344237][ C0] addrconf_dad_completed+0x8bf/0xe20 [ 33.344392][ C0] addrconf_dad_begin+0x310/0x670 [ 33.344648][ C0] addrconf_dad_work+0x10b/0xab0 [ 33.344808][ C0] process_one_work+0xe2c/0x1730 [ 33.344965][ C0] worker_thread+0x587/0xd30 [ 33.345123][ C0] kthread+0x28a/0x350 [ 33.345241][ C0] ret_from_fork+0x31/0x70 [ 33.345395][ C0] ret_from_fork_asm+0x1a/0x30 [ 33.345550][ C0] [ 33.345627][ C0] [ 33.345627][ C0] stack backtrace: [ 33.345823][ C0] CPU: 0 PID: 10 Comm: kworker/u16:0 Not tainted 6.9.0-rc1-virtme #1 [ 33.346154][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.346501][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 33.346900][ C0] Call Trace: [ 33.347024][ C0] [ 33.347105][ C0] dump_stack_lvl+0x82/0xd0 [ 33.347263][ C0] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 33.347457][ C0] ? ret_from_fork_asm+0x1a/0x30 [ 33.347712][ C0] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 33.347907][ C0] ? __pfx_usage_skip+0x10/0x10 [ 33.348070][ C0] ? __pfx_usage_match+0x10/0x10 [ 33.348224][ C0] ? arch_stack_walk+0x8c/0xf0 [ 33.348514][ C0] mark_lock_irq+0x4cd/0xa10 [ 33.348671][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 33.348825][ C0] ? stack_trace_save+0x94/0xd0 [ 33.348982][ C0] ? save_trace+0x8f/0x5b0 [ 33.349141][ C0] mark_lock+0x28d/0x3e0 [ 33.349259][ C0] mark_usage+0xd9/0x2a0 [ 33.349380][ C0] __lock_acquire+0x797/0x1570 [ 33.349537][ C0] lock_acquire.part.0+0xeb/0x330 [ 33.349693][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 33.349847][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 33.350002][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 33.350159][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 33.350313][ C0] ? lock_acquire+0x32/0xc0 [ 33.350567][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 33.350723][ C0] _raw_read_lock_bh+0x44/0x80 [ 33.350878][ C0] ? ipv6_get_lladdr+0xa9/0x3e0 [ 33.351032][ C0] ipv6_get_lladdr+0xa9/0x3e0 [ 33.351286][ C0] ndisc_send_ns+0xe7/0x100 [ 33.351441][ C0] ? __pfx_ndisc_send_ns+0x10/0x10 [ 33.351596][ C0] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 33.351791][ C0] ndisc_solicit+0x2ae/0x4d0 [ 33.352050][ C0] ? __pfx_ndisc_solicit+0x10/0x10 [ 33.352206][ C0] ? neigh_probe+0x57/0xf0 [ 33.352368][ C0] neigh_probe+0xaa/0xf0 [ 33.352489][ C0] __neigh_event_send+0x7af/0xfe0 [ 33.352649][ C0] neigh_resolve_output+0x470/0x7c0 [ 33.352903][ C0] ? __local_bh_enable_ip+0xa6/0x120 [ 33.353057][ C0] ? ___neigh_create+0x7c6/0xe10 [ 33.353213][ C0] ip6_finish_output2+0x512/0xf60 [ 33.353369][ C0] ip6_finish_output+0x553/0xdf0 [ 33.353625][ C0] ip6_output+0x1f3/0x770 [ 33.353746][ C0] ? __pfx_ip6_output+0x10/0x10 [ 33.353902][ C0] ? ip6_dst_mtu_maybe_forward.constprop.0+0x189/0x3c0 [ 33.354096][ C0] ip6_forward+0xf29/0x2980 [ 33.354348][ C0] ? ip6_route_input+0x5a4/0xa50 [ 33.354505][ C0] ? __pfx_ip6_forward+0x10/0x10 [ 33.354664][ C0] ? ip6_rcv_core+0x9e5/0x1ae0 [ 33.354819][ C0] ? ipv6_rcv+0x626/0x810 [ 33.354935][ C0] ipv6_rcv+0x626/0x810 [ 33.355149][ C0] ? __pfx_ipv6_rcv+0x10/0x10 [ 33.355308][ C0] ? lock_acquire.part.0+0xeb/0x330 [ 33.355463][ C0] ? process_backlog+0x1f8/0x670 [ 33.355618][ C0] ? __pfx_ipv6_rcv+0x10/0x10 [ 33.355873][ C0] __netif_receive_skb_one_core+0x118/0x1b0 [ 33.356073][ C0] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 33.356265][ C0] ? process_backlog+0x1f8/0x670 [ 33.356419][ C0] ? lock_acquire+0x32/0xc0 [ 33.356672][ C0] ? process_backlog+0x1f8/0x670 [ 33.356831][ C0] process_backlog+0x103/0x670 [ 33.356988][ C0] ? find_held_lock+0x2c/0x110 [ 33.357143][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 33.357406][ C0] net_rx_action+0x49f/0xc00 [ 33.357564][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 33.357719][ C0] ? usage_skip+0x150/0x190 [ 33.357874][ C0] ? mark_held_locks+0x9e/0xe0 [ 33.358033][ C0] __do_softirq+0x1f8/0x5df [ 33.358190][ C0] ? __dev_queue_xmit+0x6a7/0x16e0 [ 33.358356][ C0] do_softirq+0x4d/0xa0 [ 33.358473][ C0] [ 33.358553][ C0] [ 33.358631][ C0] __local_bh_enable_ip+0xf6/0x120 [ 33.358885][ C0] ? __dev_queue_xmit+0x6a7/0x16e0 [ 33.359042][ C0] __dev_queue_xmit+0x6bc/0x16e0 [ 33.359196][ C0] ? mark_lock+0x38/0x3e0 [ 33.359312][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 33.359566][ C0] ? mark_held_locks+0x9e/0xe0 [ 33.359724][ C0] ? eth_header+0x158/0x1a0 [ 33.359879][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 33.360034][ C0] ? neigh_resolve_output+0x409/0x7c0 [ 33.360193][ C0] ip6_finish_output2+0x512/0xf60 [ 33.360456][ C0] ip6_finish_output+0x553/0xdf0 [ 33.360611][ C0] ip6_output+0x1f3/0x770 [ 33.360728][ C0] ? __pfx_ip6_output+0x10/0x10 [ 33.360885][ C0] ? lock_acquire.part.0+0xeb/0x330 [ 33.361045][ C0] ? find_held_lock+0x2c/0x110 [ 33.361201][ C0] ? __lock_release+0x103/0x460 [ 33.361355][ C0] ? icmp6_dst_alloc+0x2c0/0x450 [ 33.361511][ C0] NF_HOOK.constprop.0+0xe2/0x680 [ 33.361667][ C0] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 33.361821][ C0] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10 [ 33.362015][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 33.362209][ C0] ? icmp6_dst_alloc+0x2c0/0x450 [ 33.362481][ C0] ? __local_bh_enable_ip+0xa6/0x120 [ 33.362636][ C0] mld_sendpack+0x62d/0xbc0 [ 33.362792][ C0] ? __pfx_mld_sendpack+0x10/0x10 [ 33.362950][ C0] ipv6_mc_dad_complete+0x195/0x210 [ 33.363106][ C0] addrconf_dad_completed+0x8bf/0xe20 [ 33.363262][ C0] ? hlock_class+0x4e/0x130 [ 33.363416][ C0] ? __pfx_addrconf_dad_completed+0x10/0x10 [ 33.363608][ C0] ? mark_held_locks+0x9e/0xe0 [ 33.363768][ C0] ? addrconf_dad_begin+0x310/0x670 [ 33.363921][ C0] addrconf_dad_begin+0x310/0x670 [ 33.364074][ C0] ? hlock_class+0x4e/0x130 [ 33.364233][ C0] ? __pfx_addrconf_dad_begin+0x10/0x10 [ 33.364389][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 33.364683][ C0] addrconf_dad_work+0x10b/0xab0 [ 33.364837][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 33.364993][ C0] ? __pfx_addrconf_dad_work+0x10/0x10 [ 33.365151][ C0] ? process_one_work+0xde2/0x1730 [ 33.365313][ C0] ? lock_acquire+0x32/0xc0 [ 33.365467][ C0] ? process_one_work+0xde2/0x1730 [ 33.365622][ C0] process_one_work+0xe2c/0x1730 [ 33.365779][ C0] ? __pfx___lock_release+0x10/0x10 [ 33.366033][ C0] ? __pfx_process_one_work+0x10/0x10 [ 33.366189][ C0] ? assign_work+0x16c/0x240 [ 33.366349][ C0] worker_thread+0x587/0xd30 [ 33.366508][ C0] ? __pfx_worker_thread+0x10/0x10 [ 33.366762][ C0] kthread+0x28a/0x350 [ 33.366880][ C0] ? __pfx_kthread+0x10/0x10 [ 33.367035][ C0] ret_from_fork+0x31/0x70 [ 33.367190][ C0] ? __pfx_kthread+0x10/0x10 [ 33.367345][ C0] ret_from_fork_asm+0x1a/0x30 [ 33.367604][ C0] [ 35.228777][ T328] Initializing XFRM netlink socket