[ 31.687674][ T314] br1: port 1(vx10) entered blocking state [ 31.689181][ T314] br1: port 1(vx10) entered disabled state [ 31.689754][ T314] vx10: entered allmulticast mode [ 31.691776][ T314] vx10: entered promiscuous mode [ 31.692652][ T314] br1: port 1(vx10) entered blocking state [ 31.693002][ T314] br1: port 1(vx10) entered forwarding state [ 32.237902][ T319] br1: port 2(vx20) entered blocking state [ 32.238174][ T319] br1: port 2(vx20) entered disabled state [ 32.238680][ T319] vx20: entered allmulticast mode [ 32.240657][ T319] vx20: entered promiscuous mode [ 32.241200][ T319] br1: port 2(vx20) entered blocking state [ 32.241443][ T319] br1: port 2(vx20) entered forwarding state [ 32.490880][ T321] br1: port 3(veth1) entered blocking state [ 32.491168][ T321] br1: port 3(veth1) entered disabled state [ 32.491450][ T321] veth1: entered allmulticast mode [ 32.494462][ T321] veth1: entered promiscuous mode [ 32.617691][ T63] br1: port 3(veth1) entered blocking state [ 32.618100][ T63] br1: port 3(veth1) entered forwarding state [ 32.811890][ T10] [ 32.811997][ T10] ===================================================== [ 32.812177][ T10] WARNING: SOFTIRQ-READ-safe -> SOFTIRQ-READ-unsafe lock order detected [ 32.812396][ T10] 6.9.0-rc1-virtme #1 Not tainted [ 32.812547][ T10] ----------------------------------------------------- [ 32.812722][ T10] kworker/u16:0/10 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 32.812934][ T10] ffff888001a60968 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 32.813194][ T10] [ 32.813194][ T10] and this task is already holding: [ 32.813404][ T10] ffff888005a1bd80 (&ndev->lock){++.-}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 32.813658][ T10] which would create a new lock dependency: [ 32.813830][ T10] (&ndev->lock){++.-}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 32.814045][ T10] [ 32.814045][ T10] but this new dependency connects a SOFTIRQ-READ-irq-safe lock: [ 32.814277][ T10] (&ndev->lock){++.-}-{2:2} [ 32.814281][ T10] [ 32.814281][ T10] ... which became SOFTIRQ-READ-irq-safe at: [ 32.814624][ T10] __lock_acquire+0x797/0x1570 [ 32.814765][ T10] lock_acquire.part.0+0xeb/0x330 [ 32.814905][ T10] _raw_read_lock_bh+0x44/0x80 [ 32.815047][ T10] ipv6_get_lladdr+0xa9/0x3e0 [ 32.815186][ T10] ndisc_send_ns+0xe7/0x100 [ 32.815328][ T10] ndisc_solicit+0x2ae/0x4d0 [ 32.815462][ T10] neigh_probe+0xaa/0xf0 [ 32.815573][ T10] neigh_timer_handler+0x45b/0xdf0 [ 32.815709][ T10] call_timer_fn+0x13b/0x230 [ 32.815847][ T10] __run_timers+0x545/0x810 [ 32.815985][ T10] run_timer_softirq+0xe8/0x1b0 [ 32.816120][ T10] __do_softirq+0x1f8/0x5df [ 32.816257][ T10] irq_exit_rcu+0x97/0xc0 [ 32.816396][ T10] sysvec_apic_timer_interrupt+0x75/0x80 [ 32.816534][ T10] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 32.816712][ T10] mod_delayed_work_on+0xc1/0x140 [ 32.816851][ T10] addrconf_add_linklocal+0x1c1/0x2f0 [ 32.816989][ T10] addrconf_addr_gen+0x2a4/0x2f0 [ 32.817123][ T10] addrconf_notify+0x977/0xd60 [ 32.817264][ T10] notifier_call_chain+0xcd/0x150 [ 32.817406][ T10] netdev_state_change+0xf5/0x120 [ 32.817555][ T10] linkwatch_do_dev+0xd2/0x100 [ 32.817700][ T10] __linkwatch_run_queue+0x1df/0x650 [ 32.817845][ T10] linkwatch_event+0x40/0x60 [ 32.817982][ T10] process_one_work+0xe2c/0x1730 [ 32.818122][ T10] worker_thread+0x587/0xd30 [ 32.818262][ T10] kthread+0x28a/0x350 [ 32.818369][ T10] ret_from_fork+0x31/0x70 [ 32.818509][ T10] ret_from_fork_asm+0x1a/0x30 [ 32.818656][ T10] [ 32.818656][ T10] to a SOFTIRQ-READ-irq-unsafe lock: [ 32.818864][ T10] (&p->alloc_lock){+.+.}-{2:2} [ 32.818868][ T10] [ 32.818868][ T10] ... which became SOFTIRQ-READ-irq-unsafe at: [ 32.819197][ T10] ... [ 32.819198][ T10] __lock_acquire+0x797/0x1570 [ 32.819433][ T10] lock_acquire.part.0+0xeb/0x330 [ 32.819568][ T10] _raw_spin_lock+0x30/0x40 [ 32.819710][ T10] set_mems_allowed+0x1d/0x210 [ 32.819850][ T10] kernel_init_freeable+0x72/0x310 [ 32.819994][ T10] kernel_init+0x20/0x200 [ 32.820137][ T10] ret_from_fork+0x31/0x70 [ 32.820275][ T10] ret_from_fork_asm+0x1a/0x30 [ 32.820411][ T10] [ 32.820411][ T10] other info that might help us debug this: [ 32.820411][ T10] [ 32.820682][ T10] Possible interrupt unsafe locking scenario: [ 32.820682][ T10] [ 32.820893][ T10] CPU0 CPU1 [ 32.821033][ T10] ---- ---- [ 32.821173][ T10] lock(&p->alloc_lock); [ 32.821282][ T10] local_irq_disable(); [ 32.821449][ T10] lock(&ndev->lock); [ 32.821620][ T10] lock(&p->alloc_lock); [ 32.821797][ T10] [ 32.821905][ T10] lock(&ndev->lock); [ 32.822010][ T10] [ 32.822010][ T10] *** DEADLOCK *** [ 32.822010][ T10] [ 32.822208][ T10] 4 locks held by kworker/u16:0/10: [ 32.822348][ T10] #0: ffff888005379148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 32.822631][ T10] #1: ffffc900000afda0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 32.822945][ T10] #2: ffffffff919969c8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xaf/0xab0 [ 32.823188][ T10] #3: ffff888005a1bd80 (&ndev->lock){++.-}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 32.823434][ T10] [ 32.823434][ T10] the dependencies between SOFTIRQ-READ-irq-safe lock and the holding lock: [ 32.823707][ T10] -> (&ndev->lock){++.-}-{2:2} { [ 32.823854][ T10] HARDIRQ-ON-W at: [ 32.823966][ T10] __lock_acquire+0x797/0x1570 [ 32.824149][ T10] lock_acquire.part.0+0xeb/0x330 [ 32.824325][ T10] _raw_write_lock_bh+0x38/0x50 [ 32.824501][ T10] addrconf_permanent_addr+0x6e/0x670 [ 32.824681][ T10] addrconf_notify+0x749/0xd60 [ 32.824851][ T10] notifier_call_chain+0xcd/0x150 [ 32.825023][ T10] __dev_notify_flags+0xe6/0x250 [ 32.825198][ T10] dev_change_flags+0xec/0x160 [ 32.825371][ T10] do_setlink+0x7d6/0x21e0 [ 32.825545][ T10] __rtnl_newlink+0xaa7/0xd80 [ 32.825723][ T10] rtnl_newlink+0x63/0xa0 [ 32.825904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 32.826080][ T10] netlink_rcv_skb+0x130/0x360 [ 32.826258][ T10] netlink_unicast+0x449/0x710 [ 32.826429][ T10] netlink_sendmsg+0x723/0xbe0 [ 32.826696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 32.826875][ T10] ___sys_sendmsg+0xee/0x170 [ 32.827056][ T10] __sys_sendmsg+0xcd/0x170 [ 32.827233][ T10] do_syscall_64+0xc6/0x1e0 [ 32.827409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 32.827619][ T10] HARDIRQ-ON-R at: [ 32.827812][ T10] __lock_acquire+0x797/0x1570 [ 32.827985][ T10] lock_acquire.part.0+0xeb/0x330 [ 32.828168][ T10] _raw_read_lock_bh+0x44/0x80 [ 32.828340][ T10] inet6_fill_ifla6_attrs+0x516/0x740 [ 32.828514][ T10] inet6_fill_link_af+0x5e/0xe0 [ 32.828772][ T10] rtnl_fill_ifinfo+0x1612/0x29e0 [ 32.828961][ T10] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 32.829139][ T10] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 32.829452][ T10] rtmsg_ifinfo+0x5b/0xa0 [ 32.829627][ T10] register_netdevice+0x1177/0x1690 [ 32.829799][ T10] register_netdev+0x20/0x40 [ 32.830078][ T10] sit_init_net+0x250/0x4f0 [ 32.830290][ T10] ops_init+0x9b/0x560 [ 32.830433][ T10] register_pernet_operations+0x2db/0x710 [ 32.830650][ T10] register_pernet_device+0x2a/0x60 [ 32.830928][ T10] sit_init+0x23/0xe0 [ 32.831069][ T10] do_one_initcall+0x8d/0x1e0 [ 32.831257][ T10] do_initcalls+0x1b2/0x3e0 [ 32.831518][ T10] kernel_init_freeable+0x232/0x310 [ 32.831696][ T10] kernel_init+0x20/0x200 [ 32.831885][ T10] ret_from_fork+0x31/0x70 [ 32.832067][ T10] ret_from_fork_asm+0x1a/0x30 [ 32.832326][ T10] IN-SOFTIRQ-R at: [ 32.832434][ T10] __lock_acquire+0x797/0x1570 [ 32.832606][ T10] lock_acquire.part.0+0xeb/0x330 [ 32.832782][ T10] _raw_read_lock_bh+0x44/0x80 [ 32.832993][ T10] ipv6_get_lladdr+0xa9/0x3e0 [ 32.833273][ T10] ndisc_send_ns+0xe7/0x100 [ 32.833705][ T10] ndisc_solicit+0x2ae/0x4d0 [ 32.833978][ T10] neigh_probe+0xaa/0xf0 [ 32.834249][ T10] neigh_timer_handler+0x45b/0xdf0 [ 32.834523][ T10] call_timer_fn+0x13b/0x230 [ 32.834805][ T10] __run_timers+0x545/0x810 [ 32.835080][ T10] run_timer_softirq+0xe8/0x1b0 [ 32.835285][ T10] __do_softirq+0x1f8/0x5df [ 32.835551][ T10] irq_exit_rcu+0x97/0xc0 [ 32.835723][ T10] sysvec_apic_timer_interrupt+0x75/0x80 [ 32.835936][ T10] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 32.836150][ T10] mod_delayed_work_on+0xc1/0x140 [ 32.836400][ T10] addrconf_add_linklocal+0x1c1/0x2f0 [ 32.836566][ T10] addrconf_addr_gen+0x2a4/0x2f0 [ 32.836733][ T10] addrconf_notify+0x977/0xd60 [ 32.836992][ T10] notifier_call_chain+0xcd/0x150 [ 32.837166][ T10] netdev_state_change+0xf5/0x120 [ 32.837340][ T10] linkwatch_do_dev+0xd2/0x100 [ 32.837692][ T10] __linkwatch_run_queue+0x1df/0x650 [ 32.837866][ T10] linkwatch_event+0x40/0x60 [ 32.838136][ T10] process_one_work+0xe2c/0x1730 [ 32.838412][ T10] worker_thread+0x587/0xd30 [ 32.838831][ T10] kthread+0x28a/0x350 [ 32.839052][ T10] ret_from_fork+0x31/0x70 [ 32.839340][ T10] ret_from_fork_asm+0x1a/0x30 [ 32.839773][ T10] INITIAL USE at: [ 32.839942][ T10] __lock_acquire+0x797/0x1570 [ 32.840208][ T10] lock_acquire.part.0+0xeb/0x330 [ 32.840488][ T10] _raw_write_lock_bh+0x38/0x50 [ 32.840880][ T10] addrconf_permanent_addr+0x6e/0x670 [ 32.841090][ T10] addrconf_notify+0x749/0xd60 [ 32.841262][ T10] notifier_call_chain+0xcd/0x150 [ 32.841517][ T10] __dev_notify_flags+0xe6/0x250 [ 32.841692][ T10] dev_change_flags+0xec/0x160 [ 32.841866][ T10] do_setlink+0x7d6/0x21e0 [ 32.842060][ T10] __rtnl_newlink+0xaa7/0xd80 [ 32.842320][ T10] rtnl_newlink+0x63/0xa0 [ 32.842575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 32.842751][ T10] netlink_rcv_skb+0x130/0x360 [ 32.842959][ T10] netlink_unicast+0x449/0x710 [ 32.843306][ T10] netlink_sendmsg+0x723/0xbe0 [ 32.843482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 32.843655][ T10] ___sys_sendmsg+0xee/0x170 [ 32.843832][ T10] __sys_sendmsg+0xcd/0x170 [ 32.844107][ T10] do_syscall_64+0xc6/0x1e0 [ 32.844287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 32.844491][ T10] INITIAL READ USE at: [ 32.844674][ T10] __lock_acquire+0x797/0x1570 [ 32.844855][ T10] lock_acquire.part.0+0xeb/0x330 [ 32.845032][ T10] _raw_read_lock_bh+0x44/0x80 [ 32.845296][ T10] inet6_fill_ifla6_attrs+0x516/0x740 [ 32.845500][ T10] inet6_fill_link_af+0x5e/0xe0 [ 32.845675][ T10] rtnl_fill_ifinfo+0x1612/0x29e0 [ 32.845945][ T10] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 32.846147][ T10] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 32.846350][ T10] rtmsg_ifinfo+0x5b/0xa0 [ 32.846602][ T10] register_netdevice+0x1177/0x1690 [ 32.846801][ T10] register_netdev+0x20/0x40 [ 32.846990][ T10] sit_init_net+0x250/0x4f0 [ 32.847248][ T10] ops_init+0x9b/0x560 [ 32.847423][ T10] register_pernet_operations+0x2db/0x710 [ 32.847629][ T10] register_pernet_device+0x2a/0x60 [ 32.847943][ T10] sit_init+0x23/0xe0 [ 32.848372][ T10] do_one_initcall+0x8d/0x1e0 [ 32.848668][ T10] do_initcalls+0x1b2/0x3e0 [ 32.848951][ T10] kernel_init_freeable+0x232/0x310 [ 32.849300][ T10] kernel_init+0x20/0x200 [ 32.849480][ T10] ret_from_fork+0x31/0x70 [ 32.849649][ T10] ret_from_fork_asm+0x1a/0x30 [ 32.849924][ T10] } [ 32.849995][ T10] ... key at: [] __key.37+0x0/0x40 [ 32.850282][ T10] [ 32.850282][ T10] the dependencies between the lock to be acquired [ 32.850284][ T10] and SOFTIRQ-READ-irq-unsafe lock: [ 32.850646][ T10] -> (&p->alloc_lock){+.+.}-{2:2} { [ 32.850790][ T10] HARDIRQ-ON-W at: [ 32.850991][ T10] __lock_acquire+0x797/0x1570 [ 32.851246][ T10] lock_acquire.part.0+0xeb/0x330 [ 32.851417][ T10] _raw_spin_lock+0x30/0x40 [ 32.851675][ T10] set_mems_allowed+0x1d/0x210 [ 32.851845][ T10] kernel_init_freeable+0x72/0x310 [ 32.852109][ T10] kernel_init+0x20/0x200 [ 32.852406][ T10] ret_from_fork+0x31/0x70 [ 32.852593][ T10] ret_from_fork_asm+0x1a/0x30 [ 32.852763][ T10] SOFTIRQ-ON-W at: [ 32.852867][ T10] __lock_acquire+0x797/0x1570 [ 32.853051][ T10] lock_acquire.part.0+0xeb/0x330 [ 32.853308][ T10] _raw_spin_lock+0x30/0x40 [ 32.853481][ T10] set_mems_allowed+0x1d/0x210 [ 32.853661][ T10] kernel_init_freeable+0x72/0x310 [ 32.853919][ T10] kernel_init+0x20/0x200 [ 32.854170][ T10] ret_from_fork+0x31/0x70 [ 32.854341][ T10] ret_from_fork_asm+0x1a/0x30 [ 32.854510][ T10] INITIAL USE at: [ 32.854617][ T10] __lock_acquire+0x797/0x1570 [ 32.854888][ T10] lock_acquire.part.0+0xeb/0x330 [ 32.855064][ T10] _raw_spin_lock+0x30/0x40 [ 32.855233][ T10] set_mems_allowed+0x1d/0x210 [ 32.855403][ T10] kernel_init_freeable+0x72/0x310 [ 32.855573][ T10] kernel_init+0x20/0x200 [ 32.855823][ T10] ret_from_fork+0x31/0x70 [ 32.856003][ T10] ret_from_fork_asm+0x1a/0x30 [ 32.856263][ T10] } [ 32.856334][ T10] ... key at: [] __key.387+0x0/0x40 [ 32.856539][ T10] ... acquired at: [ 32.856644][ T10] check_prev_add+0x194/0xce0 [ 32.856789][ T10] validate_chain+0x71d/0x9b0 [ 32.856941][ T10] __lock_acquire+0xaf0/0x1570 [ 32.857162][ T10] lock_acquire.part.0+0xeb/0x330 [ 32.857299][ T10] _raw_spin_lock+0x30/0x40 [ 32.857441][ T10] __get_task_comm+0x27/0x70 [ 32.857578][ T10] ref_tracker_alloc+0x2ee/0x490 [ 32.857714][ T10] netdev_get_by_index+0x5e/0x80 [ 32.857851][ T10] fib6_nh_init+0x3d8/0x15b0 [ 32.857999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 32.858291][ T10] addrconf_f6i_alloc+0x265/0x560 [ 32.858425][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 32.858562][ T10] addrconf_join_anycast+0x1c0/0x220 [ 32.858703][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 32.858916][ T10] addrconf_dad_completed+0x12b/0xe20 [ 32.859051][ T10] addrconf_dad_work+0x38c/0xab0 [ 32.859185][ T10] process_one_work+0xe2c/0x1730 [ 32.859337][ T10] worker_thread+0x587/0xd30 [ 32.859548][ T10] kthread+0x28a/0x350 [ 32.859652][ T10] ret_from_fork+0x31/0x70 [ 32.859788][ T10] ret_from_fork_asm+0x1a/0x30 [ 32.859923][ T10] [ 32.859991][ T10] [ 32.859991][ T10] stack backtrace: [ 32.860232][ T10] CPU: 3 PID: 10 Comm: kworker/u16:0 Not tainted 6.9.0-rc1-virtme #1 [ 32.860435][ T10] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.860734][ T10] Workqueue: ipv6_addrconf addrconf_dad_work [ 32.860985][ T10] Call Trace: [ 32.861092][ T10] [ 32.861163][ T10] dump_stack_lvl+0x82/0xd0 [ 32.861299][ T10] print_bad_irq_dependency+0x957/0xd40 [ 32.861511][ T10] ? __pfx_validate_chain+0x10/0x10 [ 32.861650][ T10] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 32.861815][ T10] ? __pfx_usage_skip+0x10/0x10 [ 32.861948][ T10] ? __bfs+0x246/0x650 [ 32.862049][ T10] ? __pfx_usage_match+0x10/0x10 [ 32.862260][ T10] check_irq_usage+0x596/0x850 [ 32.862398][ T10] ? __pfx_check_irq_usage+0x10/0x10 [ 32.862533][ T10] ? __bfs+0x246/0x650 [ 32.862634][ T10] ? __pfx_hlock_conflict+0x10/0x10 [ 32.862846][ T10] ? check_path.constprop.0+0x24/0x50 [ 32.862978][ T10] ? check_noncircular+0x14c/0x3e0 [ 32.863111][ T10] ? __pfx_check_noncircular+0x10/0x10 [ 32.863248][ T10] ? check_prev_add+0x194/0xce0 [ 32.863466][ T10] check_prev_add+0x194/0xce0 [ 32.863602][ T10] ? validate_chain+0x130/0x9b0 [ 32.863735][ T10] validate_chain+0x71d/0x9b0 [ 32.863869][ T10] ? mark_lock+0x38/0x3e0 [ 32.863970][ T10] ? __pfx_validate_chain+0x10/0x10 [ 32.864107][ T10] ? hlock_class+0x4e/0x130 [ 32.864244][ T10] ? mark_lock+0x38/0x3e0 [ 32.864346][ T10] __lock_acquire+0xaf0/0x1570 [ 32.864485][ T10] lock_acquire.part.0+0xeb/0x330 [ 32.864696][ T10] ? __get_task_comm+0x27/0x70 [ 32.864831][ T10] ? mark_lock+0x38/0x3e0 [ 32.864933][ T10] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 32.865066][ T10] ? trace_lock_acquire+0x135/0x1c0 [ 32.865198][ T10] ? __get_task_comm+0x27/0x70 [ 32.865409][ T10] ? lock_acquire+0x32/0xc0 [ 32.865540][ T10] ? __get_task_comm+0x27/0x70 [ 32.865673][ T10] _raw_spin_lock+0x30/0x40 [ 32.865805][ T10] ? __get_task_comm+0x27/0x70 [ 32.865945][ T10] __get_task_comm+0x27/0x70 [ 32.866077][ T10] ref_tracker_alloc+0x2ee/0x490 [ 32.866213][ T10] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 32.866345][ T10] ? dev_get_by_index+0x177/0x270 [ 32.866477][ T10] ? netdev_get_by_index+0x5e/0x80 [ 32.866608][ T10] ? fib6_nh_init+0x3d8/0x15b0 [ 32.866739][ T10] ? ip6_route_info_create+0xf18/0x17d0 [ 32.866870][ T10] ? addrconf_f6i_alloc+0x265/0x560 [ 32.867005][ T10] ? __ipv6_dev_ac_inc+0x25f/0xb10 [ 32.867220][ T10] ? addrconf_join_anycast+0x1c0/0x220 [ 32.867352][ T10] ? __ipv6_ifa_notify+0x6b3/0xaf0 [ 32.867483][ T10] ? addrconf_dad_completed+0x12b/0xe20 [ 32.867614][ T10] ? addrconf_dad_work+0x38c/0xab0 [ 32.867824][ T10] ? process_one_work+0xe2c/0x1730 [ 32.867955][ T10] ? worker_thread+0x587/0xd30 [ 32.868091][ T10] ? kthread+0x28a/0x350 [ 32.868191][ T10] ? ret_from_fork+0x31/0x70 [ 32.868483][ T10] ? ret_from_fork_asm+0x1a/0x30 [ 32.868615][ T10] ? dev_get_by_index+0x177/0x270 [ 32.868748][ T10] netdev_get_by_index+0x5e/0x80 [ 32.868879][ T10] fib6_nh_init+0x3d8/0x15b0 [ 32.869015][ T10] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 32.869179][ T10] ? __pfx_fib6_nh_init+0x10/0x10 [ 32.869328][ T10] ? kasan_save_track+0x14/0x30 [ 32.869468][ T10] ? __kasan_kmalloc+0x7f/0x90 [ 32.869600][ T10] ? __kmalloc+0x1d7/0x3c0 [ 32.869735][ T10] ? fib6_get_table+0x116/0x290 [ 32.869871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 32.870002][ T10] ? __lock_release+0x103/0x460 [ 32.870135][ T10] ? __pfx_ip6_route_info_create+0x10/0x10 [ 32.870377][ T10] ? addrconf_f6i_alloc+0x12d/0x560 [ 32.870512][ T10] addrconf_f6i_alloc+0x265/0x560 [ 32.870647][ T10] ? __pfx_addrconf_f6i_alloc+0x10/0x10 [ 32.870785][ T10] ? do_raw_write_lock+0x122/0x3b0 [ 32.870993][ T10] ? __pfx_do_raw_write_lock+0x10/0x10 [ 32.871124][ T10] ? lock_acquire+0x32/0xc0 [ 32.871257][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 32.871389][ T10] ? mark_held_locks+0x9e/0xe0 [ 32.871602][ T10] addrconf_join_anycast+0x1c0/0x220 [ 32.871734][ T10] ? ip6_ins_rt+0xbd/0x110 [ 32.871870][ T10] ? __pfx_addrconf_join_anycast+0x10/0x10 [ 32.872068][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 32.872280][ T10] ? __pfx___ipv6_ifa_notify+0x10/0x10 [ 32.872414][ T10] ? __pfx___cancel_work+0x10/0x10 [ 32.872547][ T10] ? find_held_lock+0x2c/0x110 [ 32.872680][ T10] ? addrconf_dad_completed+0x12b/0xe20 [ 32.872892][ T10] addrconf_dad_completed+0x12b/0xe20 [ 32.873023][ T10] ? hlock_class+0x4e/0x130 [ 32.873157][ T10] ? __pfx_addrconf_dad_completed+0x10/0x10 [ 32.873321][ T10] ? mark_held_locks+0x9e/0xe0 [ 32.873534][ T10] ? addrconf_dad_work+0x38c/0xab0 [ 32.873664][ T10] addrconf_dad_work+0x38c/0xab0 [ 32.873799][ T10] ? __pfx_addrconf_dad_work+0x10/0x10 [ 32.873930][ T10] ? process_one_work+0xde2/0x1730 [ 32.874061][ T10] ? lock_acquire+0x32/0xc0 [ 32.874270][ T10] ? process_one_work+0xde2/0x1730 [ 32.874408][ T10] process_one_work+0xe2c/0x1730 [ 32.874541][ T10] ? __pfx___lock_release+0x10/0x10 [ 32.874675][ T10] ? __pfx_process_one_work+0x10/0x10 [ 32.874886][ T10] ? assign_work+0x16c/0x240 [ 32.875018][ T10] worker_thread+0x587/0xd30 [ 32.875152][ T10] ? __pfx_worker_thread+0x10/0x10 [ 32.875283][ T10] kthread+0x28a/0x350 [ 32.875463][ T10] ? __pfx_kthread+0x10/0x10 [ 32.875600][ T10] ret_from_fork+0x31/0x70 [ 32.875732][ T10] ? __pfx_kthread+0x10/0x10 [ 32.875863][ T10] ret_from_fork_asm+0x1a/0x30 [ 32.876019][ T10] [ 32.877548][ T324] br1: port 4(veth2) entered blocking state [ 32.877812][ T324] br1: port 4(veth2) entered disabled state [ 32.878005][ T324] veth2: entered allmulticast mode [ 32.880676][ T324] veth2: entered promiscuous mode [ 33.019033][ T7] br1: port 4(veth2) entered blocking state [ 33.019414][ T7] br1: port 4(veth2) entered forwarding state [ 33.828919][ T334] 8021q: 802.1Q VLAN Support v1.8 [ 34.152220][ T337] br1: entered promiscuous mode [ 34.153936][ T337] br1: left promiscuous mode [ 34.163777][ T337] br1: entered promiscuous mode [ 40.455773][ T404] br1: port 1(vx10) entered blocking state [ 40.455990][ T404] br1: port 1(vx10) entered disabled state [ 40.456222][ T404] vx10: entered allmulticast mode [ 40.457720][ T404] vx10: entered promiscuous mode [ 40.458348][ T404] br1: port 1(vx10) entered blocking state [ 40.458541][ T404] br1: port 1(vx10) entered forwarding state [ 40.910414][ T408] br1: port 2(vx20) entered blocking state [ 40.910681][ T408] br1: port 2(vx20) entered disabled state [ 40.910913][ T408] vx20: entered allmulticast mode [ 40.912438][ T408] vx20: entered promiscuous mode [ 40.912866][ T408] br1: port 2(vx20) entered blocking state [ 40.913082][ T408] br1: port 2(vx20) entered forwarding state [ 41.140695][ T410] br1: port 3(w1) entered blocking state [ 41.141028][ T410] br1: port 3(w1) entered disabled state [ 41.141325][ T410] w1: entered allmulticast mode [ 41.144065][ T410] w1: entered promiscuous mode [ 41.250387][ T49] br1: port 3(w1) entered blocking state [ 41.250575][ T49] br1: port 3(w1) entered forwarding state [ 41.454471][ T413] br1: port 4(w3) entered blocking state [ 41.454660][ T413] br1: port 4(w3) entered disabled state [ 41.454858][ T413] w3: entered allmulticast mode [ 41.457226][ T413] w3: entered promiscuous mode [ 41.558189][ T7] br1: port 4(w3) entered blocking state [ 41.558403][ T7] br1: port 4(w3) entered forwarding state [ 42.521603][ T424] br1: entered promiscuous mode [ 42.523042][ T424] br1: left promiscuous mode [ 42.535813][ T424] br1: entered promiscuous mode [ 43.243972][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 43.245988][ C1] IPv6: vlan10-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 43.308689][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 43.308846][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 43.309392][ C1] IPv6: vlan10-v: IPv6 duplicate address 2001:db8:1::3 used by 00:00:5e:00:01:01 detected! [ 43.500268][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 43.500699][ C1] IPv6: vlan20-v: IPv6 duplicate address 2001:db8:2::3 used by 00:00:5e:00:01:01 detected! [ 43.830519][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 44.139895][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 44.140574][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 67.610213][ T579] ip (579) used greatest stack depth: 24256 bytes left [ 67.700056][ T10] w3: left allmulticast mode [ 67.700250][ T10] w3: left promiscuous mode [ 67.700547][ T10] br1: port 4(w3) entered disabled state [ 67.701967][ T10] w1: left allmulticast mode [ 67.702109][ T10] w1: left promiscuous mode [ 67.702498][ T10] br1: port 3(w1) entered disabled state [ 67.703344][ T10] vx20: left allmulticast mode [ 67.703509][ T10] vx20: left promiscuous mode [ 67.703773][ T10] br1: port 2(vx20) entered disabled state [ 67.704737][ T10] vx10: left allmulticast mode [ 67.704897][ T10] vx10: left promiscuous mode [ 67.705149][ T10] br1: port 1(vx10) entered disabled state [ 69.579543][ T600] br1: left promiscuous mode [ 70.374994][ T607] br1: port 4(veth2) entered disabled state [ 70.476533][ T608] veth2: left allmulticast mode [ 70.476792][ T608] veth2: left promiscuous mode [ 70.477161][ T608] br1: port 4(veth2) entered disabled state [ 70.707094][ T610] br1: port 3(veth1) entered disabled state [ 70.819251][ T611] veth1: left allmulticast mode [ 70.819475][ T611] veth1: left promiscuous mode [ 70.819751][ T611] br1: port 3(veth1) entered disabled state [ 71.012726][ T613] vx20: left allmulticast mode [ 71.012930][ T613] vx20: left promiscuous mode [ 71.013187][ T613] br1: port 2(vx20) entered disabled state [ 71.493913][ T617] vx10: left allmulticast mode [ 71.494090][ T617] vx10: left promiscuous mode [ 71.494351][ T617] br1: port 1(vx10) entered disabled state