[ 28.408196][ T272] eth1: renamed from tmp [ 28.656627][ T274] ip (274) used greatest stack depth: 24512 bytes left [ 29.379284][ T280] eth2: renamed from tmp [ 29.758606][ T283] ip (283) used greatest stack depth: 24424 bytes left [ 30.752077][ T291] l2tp_core: L2TP core driver, V2.0 [ 30.773587][ T291] l2tp_netlink: L2TP netlink interface [ 30.879781][ T292] l2tp_ip: L2TP IP encapsulation support (L2TPv3) [ 31.120268][ T296] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) [ 31.266048][ T297] ip (297) used greatest stack depth: 24144 bytes left [ 32.304901][ T306] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) [ 32.563557][ C3] [ 32.563774][ C3] ======================================================== [ 32.564113][ C3] WARNING: possible irq lock inversion dependency detected [ 32.564370][ C3] 6.9.0-rc1-virtme #1 Not tainted [ 32.564546][ C3] -------------------------------------------------------- [ 32.564801][ C3] kworker/u16:1/72 just changed the state of lock: [ 32.565016][ C3] ffff888037a2ed80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 32.565323][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 32.565577][ C3] (&p->alloc_lock){+.+.}-{2:2} [ 32.565581][ C3] [ 32.565581][ C3] [ 32.565581][ C3] and interrupts could create inverse lock ordering between them. [ 32.565581][ C3] [ 32.566219][ C3] [ 32.566219][ C3] other info that might help us debug this: [ 32.566472][ C3] Possible interrupt unsafe locking scenario: [ 32.566472][ C3] [ 32.566725][ C3] CPU0 CPU1 [ 32.566893][ C3] ---- ---- [ 32.567062][ C3] lock(&p->alloc_lock); [ 32.567192][ C3] local_irq_disable(); [ 32.567403][ C3] lock(&ndev->lock); [ 32.567614][ C3] lock(&p->alloc_lock); [ 32.567826][ C3] [ 32.567953][ C3] lock(&ndev->lock); [ 32.568087][ C3] [ 32.568087][ C3] *** DEADLOCK *** [ 32.568087][ C3] [ 32.568336][ C3] 9 locks held by kworker/u16:1/72: [ 32.568509][ C3] #0: ffff888004f8b548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 32.568867][ C3] #1: ffffc900004dfda0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 32.569251][ C3] #2: ffffffff8bdb7208 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xaf/0xab0 [ 32.569556][ C3] #3: ffff88800848d538 (&idev->mc_lock){+.+.}-{3:3}, at: ipv6_mc_dad_complete+0x23/0x210 [ 32.569870][ C3] #4: ffffffff8b566360 (rcu_read_lock){....}-{1:2}, at: mld_sendpack+0x187/0xbc0 [ 32.570175][ C3] #5: ffffffff8b566360 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x32b/0xf60 [ 32.570475][ C3] #6: ffffffff8b566360 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 32.570780][ C3] #7: ffffffff8b566360 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x32b/0xf60 [ 32.571080][ C3] #8: ffffffff8b566360 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 32.571381][ C3] [ 32.571381][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 32.571678][ C3] -> (&p->alloc_lock){+.+.}-{2:2} { [ 32.571857][ C3] HARDIRQ-ON-W at: [ 32.571992][ C3] __lock_acquire+0x797/0x1570 [ 32.572214][ C3] lock_acquire.part.0+0xeb/0x330 [ 32.572436][ C3] _raw_spin_lock+0x30/0x40 [ 32.572652][ C3] set_mems_allowed+0x1d/0x210 [ 32.572866][ C3] kernel_init_freeable+0x72/0x310 [ 32.573186][ C3] kernel_init+0x20/0x200 [ 32.573403][ C3] ret_from_fork+0x31/0x70 [ 32.573618][ C3] ret_from_fork_asm+0x1a/0x30 [ 32.573840][ C3] SOFTIRQ-ON-W at: [ 32.574072][ C3] __lock_acquire+0x797/0x1570 [ 32.574286][ C3] lock_acquire.part.0+0xeb/0x330 [ 32.574507][ C3] _raw_spin_lock+0x30/0x40 [ 32.574821][ C3] set_mems_allowed+0x1d/0x210 [ 32.575035][ C3] kernel_init_freeable+0x72/0x310 [ 32.575257][ C3] kernel_init+0x20/0x200 [ 32.575473][ C3] ret_from_fork+0x31/0x70 [ 32.575790][ C3] ret_from_fork_asm+0x1a/0x30 [ 32.576004][ C3] INITIAL USE at: [ 32.576133][ C3] __lock_acquire+0x797/0x1570 [ 32.576349][ C3] lock_acquire.part.0+0xeb/0x330 [ 32.576668][ C3] _raw_spin_lock+0x30/0x40 [ 32.576884][ C3] set_mems_allowed+0x1d/0x210 [ 32.577100][ C3] kernel_init_freeable+0x72/0x310 [ 32.577419][ C3] kernel_init+0x20/0x200 [ 32.577633][ C3] ret_from_fork+0x31/0x70 [ 32.577855][ C3] ret_from_fork_asm+0x1a/0x30 [ 32.578069][ C3] } [ 32.578158][ C3] ... key at: [] __key.388+0x0/0x40 [ 32.578423][ C3] ... acquired at: [ 32.578551][ C3] __lock_acquire+0xaf0/0x1570 [ 32.578724][ C3] lock_acquire.part.0+0xeb/0x330 [ 32.578994][ C3] _raw_spin_lock+0x30/0x40 [ 32.579166][ C3] __get_task_comm+0x27/0x70 [ 32.579338][ C3] ref_tracker_alloc+0x2ee/0x490 [ 32.579509][ C3] netdev_get_by_index+0x5e/0x80 [ 32.579885][ C3] fib6_nh_init+0x3d8/0x1580 [ 32.580058][ C3] ip6_route_info_create+0xf18/0x17d0 [ 32.580231][ C3] addrconf_f6i_alloc+0x265/0x560 [ 32.580402][ C3] __ipv6_dev_ac_inc+0x25f/0xb10 [ 32.580674][ C3] addrconf_join_anycast+0x1c0/0x220 [ 32.580844][ C3] __ipv6_ifa_notify+0x6b3/0xaf0 [ 32.581014][ C3] addrconf_dad_completed+0x12b/0xe20 [ 32.581189][ C3] addrconf_dad_begin+0x310/0x670 [ 32.581361][ C3] addrconf_dad_work+0x10b/0xab0 [ 32.581629][ C3] process_one_work+0xe2c/0x1730 [ 32.581801][ C3] worker_thread+0x587/0xd30 [ 32.581974][ C3] kthread+0x28a/0x350 [ 32.582102][ C3] ret_from_fork+0x31/0x70 [ 32.582375][ C3] ret_from_fork_asm+0x1a/0x30 [ 32.582548][ C3] [ 32.582634][ C3] -> (&ndev->lock){++.-}-{2:2} { [ 32.582815][ C3] HARDIRQ-ON-W at: [ 32.582943][ C3] __lock_acquire+0x797/0x1570 [ 32.583159][ C3] lock_acquire.part.0+0xeb/0x330 [ 32.583374][ C3] _raw_write_lock_bh+0x38/0x50 [ 32.583592][ C3] addrconf_permanent_addr+0x6e/0x670 [ 32.583912][ C3] addrconf_notify+0x749/0xd60 [ 32.584133][ C3] notifier_call_chain+0xcd/0x150 [ 32.584345][ C3] __dev_notify_flags+0xe6/0x250 [ 32.584561][ C3] dev_change_flags+0xec/0x160 [ 32.584876][ C3] do_setlink+0x7d6/0x21e0 [ 32.585089][ C3] __rtnl_newlink+0xaa7/0xd80 [ 32.585308][ C3] rtnl_newlink+0x63/0xa0 [ 32.585622][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 32.585838][ C3] netlink_rcv_skb+0x130/0x360 [ 32.586059][ C3] netlink_unicast+0x449/0x710 [ 32.586276][ C3] netlink_sendmsg+0x723/0xbe0 [ 32.586594][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 32.586810][ C3] ___sys_sendmsg+0xee/0x170 [ 32.587024][ C3] __sys_sendmsg+0xcd/0x170 [ 32.587239][ C3] do_syscall_64+0xc6/0x1e0 [ 32.587454][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 32.587710][ C3] HARDIRQ-ON-R at: [ 32.587838][ C3] __lock_acquire+0x797/0x1570 [ 32.588154][ C3] lock_acquire.part.0+0xeb/0x330 [ 32.588370][ C3] _raw_read_lock_bh+0x44/0x80 [ 32.588585][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 32.588899][ C3] inet6_fill_link_af+0x5e/0xe0 [ 32.589111][ C3] rtnl_fill_ifinfo+0x1615/0x2a90 [ 32.589323][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 32.589635][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 32.589889][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 32.590101][ C3] register_netdevice+0x1177/0x1690 [ 32.590316][ C3] register_netdev+0x20/0x40 [ 32.590631][ C3] vti6_init_net+0x25d/0x380 [ 32.590845][ C3] ops_init+0x9b/0x560 [ 32.591017][ C3] register_pernet_operations+0x2db/0x710 [ 32.591273][ C3] register_pernet_device+0x2a/0x60 [ 32.591485][ C3] vti6_tunnel_init+0x18/0x110 [ 32.591698][ C3] do_one_initcall+0x8d/0x1e0 [ 32.592011][ C3] do_initcalls+0x1b2/0x3e0 [ 32.592226][ C3] kernel_init_freeable+0x232/0x310 [ 32.592439][ C3] kernel_init+0x20/0x200 [ 32.592650][ C3] ret_from_fork+0x31/0x70 [ 32.593062][ C3] ret_from_fork_asm+0x1a/0x30 [ 32.593275][ C3] IN-SOFTIRQ-R at: [ 32.593405][ C3] __lock_acquire+0x797/0x1570 [ 32.593621][ C3] lock_acquire.part.0+0xeb/0x330 [ 32.593940][ C3] _raw_read_lock_bh+0x44/0x80 [ 32.594155][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 32.594368][ C3] ndisc_send_ns+0xe7/0x100 [ 32.594683][ C3] ndisc_solicit+0x2ae/0x4d0 [ 32.594899][ C3] neigh_probe+0xaa/0xf0 [ 32.595119][ C3] __neigh_event_send+0x7af/0xfe0 [ 32.595432][ C3] neigh_resolve_output+0x470/0x7c0 [ 32.595644][ C3] ip6_finish_output2+0x512/0xf60 [ 32.595856][ C3] ip6_finish_output+0x553/0xdf0 [ 32.596070][ C3] ip6_output+0x1f3/0x770 [ 32.596383][ C3] ip6_forward+0xf29/0x2980 [ 32.596601][ C3] ipv6_rcv+0x626/0x810 [ 32.596813][ C3] __netif_receive_skb_one_core+0x118/0x1b0 [ 32.597168][ C3] process_backlog+0x103/0x670 [ 32.597384][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 32.597598][ C3] net_rx_action+0x49f/0xc00 [ 32.597910][ C3] __do_softirq+0x1f8/0x5df [ 32.598125][ C3] do_softirq+0x4d/0xa0 [ 32.598346][ C3] __local_bh_enable_ip+0xf6/0x120 [ 32.598560][ C3] __dev_queue_xmit+0x6bc/0x16e0 [ 32.598873][ C3] ip6_finish_output2+0x512/0xf60 [ 32.599085][ C3] ip6_finish_output+0x553/0xdf0 [ 32.599296][ C3] ip6_output+0x1f3/0x770 [ 32.599610][ C3] NF_HOOK.constprop.0+0xe2/0x680 [ 32.599824][ C3] mld_sendpack+0x62d/0xbc0 [ 32.600035][ C3] ipv6_mc_dad_complete+0x195/0x210 [ 32.600249][ C3] addrconf_dad_completed+0x8bf/0xe20 [ 32.600562][ C3] addrconf_dad_begin+0x310/0x670 [ 32.600777][ C3] addrconf_dad_work+0x10b/0xab0 [ 32.600990][ C3] process_one_work+0xe2c/0x1730 [ 32.601204][ C3] worker_thread+0x587/0xd30 [ 32.601417][ C3] kthread+0x28a/0x350 [ 32.601588][ C3] ret_from_fork+0x31/0x70 [ 32.601800][ C3] ret_from_fork_asm+0x1a/0x30 [ 32.602113][ C3] INITIAL USE at: [ 32.602241][ C3] __lock_acquire+0x797/0x1570 [ 32.602462][ C3] lock_acquire.part.0+0xeb/0x330 [ 32.602775][ C3] _raw_write_lock_bh+0x38/0x50 [ 32.602988][ C3] addrconf_permanent_addr+0x6e/0x670 [ 32.603206][ C3] addrconf_notify+0x749/0xd60 [ 32.603418][ C3] notifier_call_chain+0xcd/0x150 [ 32.603736][ C3] __dev_notify_flags+0xe6/0x250 [ 32.603957][ C3] dev_change_flags+0xec/0x160 [ 32.604169][ C3] do_setlink+0x7d6/0x21e0 [ 32.604482][ C3] __rtnl_newlink+0xaa7/0xd80 [ 32.604694][ C3] rtnl_newlink+0x63/0xa0 [ 32.604906][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 32.605116][ C3] netlink_rcv_skb+0x130/0x360 [ 32.605429][ C3] netlink_unicast+0x449/0x710 [ 32.605647][ C3] netlink_sendmsg+0x723/0xbe0 [ 32.605860][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 32.606175][ C3] ___sys_sendmsg+0xee/0x170 [ 32.606393][ C3] __sys_sendmsg+0xcd/0x170 [ 32.606606][ C3] do_syscall_64+0xc6/0x1e0 [ 32.606921][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 32.607179][ C3] INITIAL READ USE at: [ 32.607308][ C3] __lock_acquire+0x797/0x1570 [ 32.607521][ C3] lock_acquire.part.0+0xeb/0x330 [ 32.607832][ C3] _raw_read_lock_bh+0x44/0x80 [ 32.608043][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 32.608294][ C3] inet6_fill_link_af+0x5e/0xe0 [ 32.608606][ C3] rtnl_fill_ifinfo+0x1615/0x2a90 [ 32.608825][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 32.609077][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 32.609436][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 32.609649][ C3] register_netdevice+0x1177/0x1690 [ 32.609902][ C3] register_netdev+0x20/0x40 [ 32.610114][ C3] vti6_init_net+0x25d/0x380 [ 32.610342][ C3] ops_init+0x9b/0x560 [ 32.610554][ C3] register_pernet_operations+0x2db/0x710 [ 32.610808][ C3] register_pernet_device+0x2a/0x60 [ 32.611161][ C3] vti6_tunnel_init+0x18/0x110 [ 32.611374][ C3] do_one_initcall+0x8d/0x1e0 [ 32.611591][ C3] do_initcalls+0x1b2/0x3e0 [ 32.611904][ C3] kernel_init_freeable+0x232/0x310 [ 32.612157][ C3] kernel_init+0x20/0x200 [ 32.612372][ C3] ret_from_fork+0x31/0x70 [ 32.612684][ C3] ret_from_fork_asm+0x1a/0x30 [ 32.612900][ C3] } [ 32.612986][ C3] ... key at: [] __key.37+0x0/0x40 [ 32.613239][ C3] ... acquired at: [ 32.613463][ C3] mark_lock+0x28d/0x3e0 [ 32.613634][ C3] mark_usage+0xd9/0x2a0 [ 32.613803][ C3] __lock_acquire+0x797/0x1570 [ 32.613994][ C3] lock_acquire.part.0+0xeb/0x330 [ 32.614260][ C3] _raw_read_lock_bh+0x44/0x80 [ 32.614433][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 32.614602][ C3] ndisc_send_ns+0xe7/0x100 [ 32.614772][ C3] ndisc_solicit+0x2ae/0x4d0 [ 32.614945][ C3] neigh_probe+0xaa/0xf0 [ 32.615116][ C3] __neigh_event_send+0x7af/0xfe0 [ 32.615285][ C3] neigh_resolve_output+0x470/0x7c0 [ 32.615453][ C3] ip6_finish_output2+0x512/0xf60 [ 32.615620][ C3] ip6_finish_output+0x553/0xdf0 [ 32.615886][ C3] ip6_output+0x1f3/0x770 [ 32.616054][ C3] ip6_forward+0xf29/0x2980 [ 32.616221][ C3] ipv6_rcv+0x626/0x810 [ 32.616352][ C3] __netif_receive_skb_one_core+0x118/0x1b0 [ 32.616674][ C3] process_backlog+0x103/0x670 [ 32.616843][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 32.617011][ C3] net_rx_action+0x49f/0xc00 [ 32.617178][ C3] __do_softirq+0x1f8/0x5df [ 32.617444][ C3] do_softirq+0x4d/0xa0 [ 32.617573][ C3] __local_bh_enable_ip+0xf6/0x120 [ 32.617751][ C3] __dev_queue_xmit+0x6bc/0x16e0 [ 32.617923][ C3] ip6_finish_output2+0x512/0xf60 [ 32.618090][ C3] ip6_finish_output+0x553/0xdf0 [ 32.618358][ C3] ip6_output+0x1f3/0x770 [ 32.618536][ C3] NF_HOOK.constprop.0+0xe2/0x680 [ 32.618708][ C3] mld_sendpack+0x62d/0xbc0 [ 32.618879][ C3] ipv6_mc_dad_complete+0x195/0x210 [ 32.619147][ C3] addrconf_dad_completed+0x8bf/0xe20 [ 32.619317][ C3] addrconf_dad_begin+0x310/0x670 [ 32.619486][ C3] addrconf_dad_work+0x10b/0xab0 [ 32.619652][ C3] process_one_work+0xe2c/0x1730 [ 32.619919][ C3] worker_thread+0x587/0xd30 [ 32.620088][ C3] kthread+0x28a/0x350 [ 32.620214][ C3] ret_from_fork+0x31/0x70 [ 32.620383][ C3] ret_from_fork_asm+0x1a/0x30 [ 32.620554][ C3] [ 32.620735][ C3] [ 32.620735][ C3] stack backtrace: [ 32.620946][ C3] CPU: 3 PID: 72 Comm: kworker/u16:1 Not tainted 6.9.0-rc1-virtme #1 [ 32.621201][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.621675][ C3] Workqueue: ipv6_addrconf addrconf_dad_work [ 32.621891][ C3] Call Trace: [ 32.622021][ C3] [ 32.622108][ C3] dump_stack_lvl+0x82/0xd0 [ 32.622390][ C3] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 32.622602][ C3] ? ret_from_fork_asm+0x1a/0x30 [ 32.622773][ C3] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 32.622985][ C3] ? __pfx_usage_skip+0x10/0x10 [ 32.623154][ C3] ? __pfx_usage_match+0x10/0x10 [ 32.623323][ C3] ? arch_stack_walk+0x8c/0xf0 [ 32.623496][ C3] mark_lock_irq+0x4cd/0xa10 [ 32.623667][ C3] ? __pfx_mark_lock_irq+0x10/0x10 [ 32.623941][ C3] ? stack_trace_save+0x94/0xd0 [ 32.624121][ C3] ? save_trace+0x8f/0x5b0 [ 32.624296][ C3] mark_lock+0x28d/0x3e0 [ 32.624425][ C3] mark_usage+0xd9/0x2a0 [ 32.624554][ C3] __lock_acquire+0x797/0x1570 [ 32.624828][ C3] lock_acquire.part.0+0xeb/0x330 [ 32.624998][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 32.625167][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 32.625337][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 32.625606][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 32.625775][ C3] ? lock_acquire+0x32/0xc0 [ 32.625950][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 32.626119][ C3] _raw_read_lock_bh+0x44/0x80 [ 32.626288][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 32.626564][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 32.626734][ C3] ndisc_send_ns+0xe7/0x100 [ 32.626903][ C3] ? __pfx_ndisc_send_ns+0x10/0x10 [ 32.627072][ C3] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 32.627287][ C3] ndisc_solicit+0x2ae/0x4d0 [ 32.627455][ C3] ? __pfx_ndisc_solicit+0x10/0x10 [ 32.627634][ C3] ? neigh_probe+0x57/0xf0 [ 32.627819][ C3] neigh_probe+0xaa/0xf0 [ 32.628049][ C3] __neigh_event_send+0x7af/0xfe0 [ 32.628219][ C3] neigh_resolve_output+0x470/0x7c0 [ 32.628390][ C3] ? __local_bh_enable_ip+0xa6/0x120 [ 32.628557][ C3] ? ___neigh_create+0x7c6/0xe10 [ 32.628825][ C3] ip6_finish_output2+0x512/0xf60 [ 32.628995][ C3] ip6_finish_output+0x553/0xdf0 [ 32.629165][ C3] ip6_output+0x1f3/0x770 [ 32.629294][ C3] ? __pfx_ip6_output+0x10/0x10 [ 32.629466][ C3] ? ip6_dst_mtu_maybe_forward.constprop.0+0x189/0x3c0 [ 32.629777][ C3] ip6_forward+0xf29/0x2980 [ 32.629945][ C3] ? ip6_route_input+0x5a4/0xa50 [ 32.630115][ C3] ? __pfx_ip6_forward+0x10/0x10 [ 32.630285][ C3] ? ip6_rcv_core+0x9e5/0x1ae0 [ 32.630556][ C3] ? ipv6_rcv+0x626/0x810 [ 32.630687][ C3] ipv6_rcv+0x626/0x810 [ 32.630815][ C3] ? __pfx_ipv6_rcv+0x10/0x10 [ 32.630990][ C3] ? lock_acquire.part.0+0xeb/0x330 [ 32.631159][ C3] ? process_backlog+0x1f8/0x670 [ 32.631330][ C3] ? __pfx_ipv6_rcv+0x10/0x10 [ 32.631498][ C3] __netif_receive_skb_one_core+0x118/0x1b0 [ 32.631715][ C3] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 32.632127][ C3] ? process_backlog+0x1f8/0x670 [ 32.632296][ C3] ? lock_acquire+0x32/0xc0 [ 32.632465][ C3] ? process_backlog+0x1f8/0x670 [ 32.632635][ C3] process_backlog+0x103/0x670 [ 32.632806][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 32.633075][ C3] net_rx_action+0x49f/0xc00 [ 32.633252][ C3] ? __pfx_net_rx_action+0x10/0x10 [ 32.633420][ C3] ? do_raw_spin_lock+0x131/0x270 [ 32.633586][ C3] ? tmigr_cpu_activate+0x280/0x290 [ 32.633858][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 32.634075][ C3] __do_softirq+0x1f8/0x5df [ 32.634247][ C3] ? __dev_queue_xmit+0x6a7/0x16e0 [ 32.634419][ C3] do_softirq+0x4d/0xa0 [ 32.634643][ C3] [ 32.634731][ C3] [ 32.634816][ C3] __local_bh_enable_ip+0xf6/0x120 [ 32.634988][ C3] ? __dev_queue_xmit+0x6a7/0x16e0 [ 32.635157][ C3] __dev_queue_xmit+0x6bc/0x16e0 [ 32.635425][ C3] ? mark_lock+0x38/0x3e0 [ 32.635556][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 32.635725][ C3] ? mark_held_locks+0x9e/0xe0 [ 32.635894][ C3] ? eth_header+0x158/0x1a0 [ 32.636064][ C3] ? __pfx___dev_queue_xmit+0x10/0x10 [ 32.636332][ C3] ? neigh_resolve_output+0x409/0x7c0 [ 32.636501][ C3] ip6_finish_output2+0x512/0xf60 [ 32.636673][ C3] ip6_finish_output+0x553/0xdf0 [ 32.636846][ C3] ip6_output+0x1f3/0x770 [ 32.637071][ C3] ? __pfx_ip6_output+0x10/0x10 [ 32.637239][ C3] ? lock_acquire.part.0+0xeb/0x330 [ 32.637408][ C3] ? find_held_lock+0x2c/0x110 [ 32.637578][ C3] ? __lock_release+0x103/0x460 [ 32.637745][ C3] ? icmp6_dst_alloc+0x2c0/0x450 [ 32.638013][ C3] NF_HOOK.constprop.0+0xe2/0x680 [ 32.638181][ C3] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 32.638352][ C3] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10 [ 32.638569][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 32.638875][ C3] ? icmp6_dst_alloc+0x2c0/0x450 [ 32.639042][ C3] ? __local_bh_enable_ip+0xa6/0x120 [ 32.639214][ C3] mld_sendpack+0x62d/0xbc0 [ 32.639384][ C3] ? __pfx_mld_sendpack+0x10/0x10 [ 32.639656][ C3] ipv6_mc_dad_complete+0x195/0x210 [ 32.639848][ C3] addrconf_dad_completed+0x8bf/0xe20 [ 32.640016][ C3] ? hlock_class+0x4e/0x130 [ 32.640186][ C3] ? __pfx_addrconf_dad_completed+0x10/0x10 [ 32.640497][ C3] ? mark_held_locks+0x9e/0xe0 [ 32.640669][ C3] ? addrconf_dad_begin+0x310/0x670 [ 32.640840][ C3] addrconf_dad_begin+0x310/0x670 [ 32.641005][ C3] ? hlock_class+0x4e/0x130 [ 32.641176][ C3] ? __pfx_addrconf_dad_begin+0x10/0x10 [ 32.641347][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 32.641568][ C3] addrconf_dad_work+0x10b/0xab0 [ 32.641737][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 32.642006][ C3] ? __pfx_addrconf_dad_work+0x10/0x10 [ 32.642173][ C3] ? process_one_work+0xde2/0x1730 [ 32.642344][ C3] ? lock_acquire+0x32/0xc0 [ 32.642514][ C3] ? process_one_work+0xde2/0x1730 [ 32.642784][ C3] process_one_work+0xe2c/0x1730 [ 32.642958][ C3] ? __pfx___lock_release+0x10/0x10 [ 32.643129][ C3] ? __pfx_process_one_work+0x10/0x10 [ 32.643299][ C3] ? assign_work+0x16c/0x240 [ 32.643576][ C3] worker_thread+0x587/0xd30 [ 32.643759][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 32.643995][ C3] ? __pfx_worker_thread+0x10/0x10 [ 32.644164][ C3] ? __pfx_worker_thread+0x10/0x10 [ 32.644430][ C3] kthread+0x28a/0x350 [ 32.644564][ C3] ? __pfx_kthread+0x10/0x10 [ 32.644733][ C3] ret_from_fork+0x31/0x70 [ 32.644901][ C3] ? __pfx_kthread+0x10/0x10 [ 32.645068][ C3] ret_from_fork_asm+0x1a/0x30 [ 32.645446][ C3] [ 34.392164][ T326] Initializing XFRM netlink socket