[ 78.500180][ T555] eth3: renamed from tmp [ 78.734556][ T72] [ 78.734715][ T72] ===================================================== [ 78.734895][ T72] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 78.735092][ T72] 6.9.0-rc1-virtme #1 Not tainted [ 78.735227][ T72] ----------------------------------------------------- [ 78.735390][ T72] kworker/u16:1/72 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 78.735587][ T72] ffff8880052fcee8 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 78.735827][ T72] [ 78.735827][ T72] and this task is already holding: [ 78.736022][ T72] ffff888007fad580 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 78.736264][ T72] which would create a new lock dependency: [ 78.736424][ T72] (&ndev->lock){++--}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 78.736627][ T72] [ 78.736627][ T72] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 78.736852][ T72] (&ndev->lock){++--}-{2:2} [ 78.736856][ T72] [ 78.736856][ T72] ... which became SOFTIRQ-irq-safe at: [ 78.737176][ T72] __lock_acquire+0x797/0x1570 [ 78.737315][ T72] lock_acquire.part.0+0xeb/0x330 [ 78.737450][ T72] _raw_write_lock+0x30/0x40 [ 78.737584][ T72] addrconf_rs_timer+0xa9/0x730 [ 78.737717][ T72] call_timer_fn+0x13b/0x230 [ 78.737850][ T72] __run_timers+0x545/0x810 [ 78.737983][ T72] timer_expire_remote+0x9b/0xe0 [ 78.738115][ T72] tmigr_handle_remote_cpu+0x270/0x430 [ 78.738245][ T72] tmigr_handle_remote_up+0x19f/0x2e0 [ 78.738375][ T72] tmigr_handle_remote+0x21d/0x3a0 [ 78.738509][ T72] __do_softirq+0x1f8/0x5df [ 78.738639][ T72] irq_exit_rcu+0x97/0xc0 [ 78.738770][ T72] sysvec_apic_timer_interrupt+0x75/0x80 [ 78.738902][ T72] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 78.739068][ T72] default_idle+0xf/0x20 [ 78.739244][ T72] default_idle_call+0x6d/0xb0 [ 78.739373][ T72] cpuidle_idle_call+0x1f4/0x280 [ 78.739504][ T72] do_idle+0xf9/0x160 [ 78.739605][ T72] cpu_startup_entry+0x54/0x60 [ 78.739812][ T72] start_secondary+0x21c/0x2b0 [ 78.739945][ T72] common_startup_64+0x12c/0x138 [ 78.740085][ T72] [ 78.740085][ T72] to a SOFTIRQ-irq-unsafe lock: [ 78.740245][ T72] (&p->alloc_lock){+.+.}-{2:2} [ 78.740249][ T72] [ 78.740249][ T72] ... which became SOFTIRQ-irq-unsafe at: [ 78.740641][ T72] ... [ 78.740642][ T72] __lock_acquire+0x797/0x1570 [ 78.740842][ T72] lock_acquire.part.0+0xeb/0x330 [ 78.740974][ T72] _raw_spin_lock+0x30/0x40 [ 78.741254][ T72] set_mems_allowed+0x1d/0x210 [ 78.741387][ T72] kernel_init_freeable+0x72/0x310 [ 78.741518][ T72] kernel_init+0x20/0x200 [ 78.741647][ T72] ret_from_fork+0x31/0x70 [ 78.741856][ T72] ret_from_fork_asm+0x1a/0x30 [ 78.741987][ T72] [ 78.741987][ T72] other info that might help us debug this: [ 78.741987][ T72] [ 78.742242][ T72] Possible interrupt unsafe locking scenario: [ 78.742242][ T72] [ 78.742510][ T72] CPU0 CPU1 [ 78.742640][ T72] ---- ---- [ 78.742768][ T72] lock(&p->alloc_lock); [ 78.742868][ T72] local_irq_disable(); [ 78.743105][ T72] lock(&ndev->lock); [ 78.743271][ T72] lock(&p->alloc_lock); [ 78.743434][ T72] [ 78.743532][ T72] lock(&ndev->lock); [ 78.743710][ T72] [ 78.743710][ T72] *** DEADLOCK *** [ 78.743710][ T72] [ 78.743901][ T72] 4 locks held by kworker/u16:1/72: [ 78.744032][ T72] #0: ffff8880053cb548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 78.744379][ T72] #1: ffffc900004dfda0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 78.744675][ T72] #2: ffffffffb79b7208 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xaf/0xab0 [ 78.744995][ T72] #3: ffff888007fad580 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 78.745248][ T72] [ 78.745248][ T72] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 78.745532][ T72] -> (&ndev->lock){++--}-{2:2} { [ 78.745681][ T72] HARDIRQ-ON-W at: [ 78.745785][ T72] __lock_acquire+0x797/0x1570 [ 78.745967][ T72] lock_acquire.part.0+0xeb/0x330 [ 78.746150][ T72] _raw_write_lock_bh+0x38/0x50 [ 78.746331][ T72] addrconf_permanent_addr+0x6e/0x670 [ 78.746513][ T72] addrconf_notify+0x749/0xd60 [ 78.746695][ T72] notifier_call_chain+0xcd/0x150 [ 78.746957][ T72] __dev_notify_flags+0xe6/0x250 [ 78.747136][ T72] dev_change_flags+0xec/0x160 [ 78.747318][ T72] do_setlink+0x7d6/0x21e0 [ 78.747576][ T72] __rtnl_newlink+0xaa7/0xd80 [ 78.747758][ T72] rtnl_newlink+0x63/0xa0 [ 78.747941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 78.748120][ T72] netlink_rcv_skb+0x130/0x360 [ 78.748379][ T72] netlink_unicast+0x449/0x710 [ 78.748560][ T72] netlink_sendmsg+0x723/0xbe0 [ 78.748739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 78.749013][ T72] ___sys_sendmsg+0xee/0x170 [ 78.749193][ T72] __sys_sendmsg+0xcd/0x170 [ 78.749378][ T72] do_syscall_64+0xc6/0x1e0 [ 78.749555][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 78.749770][ T72] HARDIRQ-ON-R at: [ 78.749876][ T72] __lock_acquire+0x797/0x1570 [ 78.750068][ T72] lock_acquire.part.0+0xeb/0x330 [ 78.750257][ T72] _raw_read_lock_bh+0x44/0x80 [ 78.750441][ T72] inet6_fill_ifla6_attrs+0x516/0x740 [ 78.750621][ T72] inet6_fill_link_af+0x5e/0xe0 [ 78.750805][ T72] rtnl_fill_ifinfo+0x1615/0x2a90 [ 78.751063][ T72] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 78.751243][ T72] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 78.751455][ T72] rtmsg_ifinfo+0x5b/0xa0 [ 78.751787][ T72] register_netdevice+0x1177/0x1690 [ 78.751966][ T72] register_netdev+0x20/0x40 [ 78.752146][ T72] vti6_init_net+0x25d/0x380 [ 78.752409][ T72] ops_init+0x9b/0x560 [ 78.752555][ T72] register_pernet_operations+0x2db/0x710 [ 78.752769][ T72] register_pernet_device+0x2a/0x60 [ 78.752952][ T72] vti6_tunnel_init+0x18/0x110 [ 78.753213][ T72] do_one_initcall+0x8d/0x1e0 [ 78.753396][ T72] do_initcalls+0x1b2/0x3e0 [ 78.753577][ T72] kernel_init_freeable+0x232/0x310 [ 78.753838][ T72] kernel_init+0x20/0x200 [ 78.754021][ T72] ret_from_fork+0x31/0x70 [ 78.754204][ T72] ret_from_fork_asm+0x1a/0x30 [ 78.754468][ T72] IN-SOFTIRQ-W at: [ 78.754578][ T72] __lock_acquire+0x797/0x1570 [ 78.754760][ T72] lock_acquire.part.0+0xeb/0x330 [ 78.754940][ T72] _raw_write_lock+0x30/0x40 [ 78.755201][ T72] addrconf_rs_timer+0xa9/0x730 [ 78.755382][ T72] call_timer_fn+0x13b/0x230 [ 78.755563][ T72] __run_timers+0x545/0x810 [ 78.755748][ T72] timer_expire_remote+0x9b/0xe0 [ 78.756009][ T72] tmigr_handle_remote_cpu+0x270/0x430 [ 78.756191][ T72] tmigr_handle_remote_up+0x19f/0x2e0 [ 78.756372][ T72] tmigr_handle_remote+0x21d/0x3a0 [ 78.756629][ T72] __do_softirq+0x1f8/0x5df [ 78.756798][ T72] irq_exit_rcu+0x97/0xc0 [ 78.756979][ T72] sysvec_apic_timer_interrupt+0x75/0x80 [ 78.757272][ T72] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 78.757488][ T72] default_idle+0xf/0x20 [ 78.757667][ T72] default_idle_call+0x6d/0xb0 [ 78.757925][ T72] cpuidle_idle_call+0x1f4/0x280 [ 78.758095][ T72] do_idle+0xf9/0x160 [ 78.758231][ T72] cpu_startup_entry+0x54/0x60 [ 78.758400][ T72] start_secondary+0x21c/0x2b0 [ 78.758644][ T72] common_startup_64+0x12c/0x138 [ 78.758809][ T72] IN-SOFTIRQ-R at: [ 78.758908][ T72] __lock_acquire+0x797/0x1570 [ 78.759073][ T72] lock_acquire.part.0+0xeb/0x330 [ 78.759317][ T72] _raw_read_lock_bh+0x44/0x80 [ 78.759484][ T72] ipv6_get_lladdr+0xa9/0x3e0 [ 78.759648][ T72] addrconf_rs_timer+0x24a/0x730 [ 78.759890][ T72] call_timer_fn+0x13b/0x230 [ 78.760062][ T72] __run_timers+0x545/0x810 [ 78.760230][ T72] timer_expire_remote+0x9b/0xe0 [ 78.760399][ T72] tmigr_handle_remote_cpu+0x270/0x430 [ 78.760646][ T72] tmigr_handle_remote_up+0x19f/0x2e0 [ 78.760812][ T72] tmigr_handle_remote+0x21d/0x3a0 [ 78.760994][ T72] __do_softirq+0x1f8/0x5df [ 78.761254][ T72] irq_exit_rcu+0x97/0xc0 [ 78.761435][ T72] sysvec_apic_timer_interrupt+0x75/0x80 [ 78.761634][ T72] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 78.761929][ T72] default_idle+0xf/0x20 [ 78.762095][ T72] default_idle_call+0x6d/0xb0 [ 78.762270][ T72] cpuidle_idle_call+0x1f4/0x280 [ 78.762609][ T72] do_idle+0xf9/0x160 [ 78.762756][ T72] cpu_startup_entry+0x54/0x60 [ 78.762929][ T72] start_secondary+0x21c/0x2b0 [ 78.763111][ T72] common_startup_64+0x12c/0x138 [ 78.763373][ T72] INITIAL USE at: [ 78.763482][ T72] __lock_acquire+0x797/0x1570 [ 78.763665][ T72] lock_acquire.part.0+0xeb/0x330 [ 78.763847][ T72] _raw_write_lock_bh+0x38/0x50 [ 78.764108][ T72] addrconf_permanent_addr+0x6e/0x670 [ 78.764288][ T72] addrconf_notify+0x749/0xd60 [ 78.764470][ T72] notifier_call_chain+0xcd/0x150 [ 78.764653][ T72] __dev_notify_flags+0xe6/0x250 [ 78.764832][ T72] dev_change_flags+0xec/0x160 [ 78.765016][ T72] do_setlink+0x7d6/0x21e0 [ 78.765198][ T72] __rtnl_newlink+0xaa7/0xd80 [ 78.765381][ T72] rtnl_newlink+0x63/0xa0 [ 78.765561][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 78.765744][ T72] netlink_rcv_skb+0x130/0x360 [ 78.766008][ T72] netlink_unicast+0x449/0x710 [ 78.766188][ T72] netlink_sendmsg+0x723/0xbe0 [ 78.766369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 78.766552][ T72] ___sys_sendmsg+0xee/0x170 [ 78.766732][ T72] __sys_sendmsg+0xcd/0x170 [ 78.766916][ T72] do_syscall_64+0xc6/0x1e0 [ 78.767099][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 78.767319][ T72] INITIAL READ USE at: [ 78.767427][ T72] __lock_acquire+0x797/0x1570 [ 78.767608][ T72] lock_acquire.part.0+0xeb/0x330 [ 78.767869][ T72] _raw_read_lock_bh+0x44/0x80 [ 78.768053][ T72] inet6_fill_ifla6_attrs+0x516/0x740 [ 78.768272][ T72] inet6_fill_link_af+0x5e/0xe0 [ 78.768455][ T72] rtnl_fill_ifinfo+0x1615/0x2a90 [ 78.768715][ T72] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 78.768933][ T72] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 78.769150][ T72] rtmsg_ifinfo+0x5b/0xa0 [ 78.769409][ T72] register_netdevice+0x1177/0x1690 [ 78.769628][ T72] register_netdev+0x20/0x40 [ 78.769810][ T72] vti6_init_net+0x25d/0x380 [ 78.770080][ T72] ops_init+0x9b/0x560 [ 78.770262][ T72] register_pernet_operations+0x2db/0x710 [ 78.770478][ T72] register_pernet_device+0x2a/0x60 [ 78.770697][ T72] vti6_tunnel_init+0x18/0x110 [ 78.770878][ T72] do_one_initcall+0x8d/0x1e0 [ 78.771059][ T72] do_initcalls+0x1b2/0x3e0 [ 78.771243][ T72] kernel_init_freeable+0x232/0x310 [ 78.771461][ T72] kernel_init+0x20/0x200 [ 78.771643][ T72] ret_from_fork+0x31/0x70 [ 78.771907][ T72] ret_from_fork_asm+0x1a/0x30 [ 78.772087][ T72] } [ 78.772162][ T72] ... key at: [] __key.37+0x0/0x40 [ 78.772374][ T72] [ 78.772374][ T72] the dependencies between the lock to be acquired [ 78.772375][ T72] and SOFTIRQ-irq-unsafe lock: [ 78.772842][ T72] -> (&p->alloc_lock){+.+.}-{2:2} { [ 78.772994][ T72] HARDIRQ-ON-W at: [ 78.773107][ T72] __lock_acquire+0x797/0x1570 [ 78.773449][ T72] lock_acquire.part.0+0xeb/0x330 [ 78.773631][ T72] _raw_spin_lock+0x30/0x40 [ 78.773814][ T72] set_mems_allowed+0x1d/0x210 [ 78.774076][ T72] kernel_init_freeable+0x72/0x310 [ 78.774256][ T72] kernel_init+0x20/0x200 [ 78.774438][ T72] ret_from_fork+0x31/0x70 [ 78.774622][ T72] ret_from_fork_asm+0x1a/0x30 [ 78.774883][ T72] SOFTIRQ-ON-W at: [ 78.774991][ T72] __lock_acquire+0x797/0x1570 [ 78.775172][ T72] lock_acquire.part.0+0xeb/0x330 [ 78.775354][ T72] _raw_spin_lock+0x30/0x40 [ 78.775613][ T72] set_mems_allowed+0x1d/0x210 [ 78.775794][ T72] kernel_init_freeable+0x72/0x310 [ 78.775978][ T72] kernel_init+0x20/0x200 [ 78.776240][ T72] ret_from_fork+0x31/0x70 [ 78.776420][ T72] ret_from_fork_asm+0x1a/0x30 [ 78.776599][ T72] INITIAL USE at: [ 78.776708][ T72] __lock_acquire+0x797/0x1570 [ 78.776966][ T72] lock_acquire.part.0+0xeb/0x330 [ 78.777145][ T72] _raw_spin_lock+0x30/0x40 [ 78.777329][ T72] set_mems_allowed+0x1d/0x210 [ 78.777589][ T72] kernel_init_freeable+0x72/0x310 [ 78.777768][ T72] kernel_init+0x20/0x200 [ 78.777948][ T72] ret_from_fork+0x31/0x70 [ 78.778127][ T72] ret_from_fork_asm+0x1a/0x30 [ 78.778387][ T72] } [ 78.778462][ T72] ... key at: [] __key.388+0x0/0x40 [ 78.778678][ T72] ... acquired at: [ 78.778786][ T72] check_prev_add+0x194/0xce0 [ 78.779014][ T72] validate_chain+0x71d/0x9b0 [ 78.779159][ T72] __lock_acquire+0xaf0/0x1570 [ 78.779304][ T72] lock_acquire.part.0+0xeb/0x330 [ 78.779449][ T72] _raw_spin_lock+0x30/0x40 [ 78.779594][ T72] __get_task_comm+0x27/0x70 [ 78.779739][ T72] ref_tracker_alloc+0x2ee/0x490 [ 78.779886][ T72] netdev_get_by_index+0x5e/0x80 [ 78.780032][ T72] fib6_nh_init+0x3d8/0x1580 [ 78.780177][ T72] ip6_route_info_create+0xf18/0x17d0 [ 78.780319][ T72] addrconf_f6i_alloc+0x265/0x560 [ 78.780463][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 78.780607][ T72] addrconf_join_anycast+0x1c0/0x220 [ 78.780749][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 78.780971][ T72] addrconf_dad_completed+0x12b/0xe20 [ 78.781114][ T72] addrconf_dad_begin+0x310/0x670 [ 78.781255][ T72] addrconf_dad_work+0x10b/0xab0 [ 78.781397][ T72] process_one_work+0xe2c/0x1730 [ 78.781620][ T72] worker_thread+0x587/0xd30 [ 78.781764][ T72] kthread+0x28a/0x350 [ 78.781873][ T72] ret_from_fork+0x31/0x70 [ 78.782015][ T72] ret_from_fork_asm+0x1a/0x30 [ 78.782239][ T72] [ 78.782313][ T72] [ 78.782313][ T72] stack backtrace: [ 78.782490][ T72] CPU: 0 PID: 72 Comm: kworker/u16:1 Not tainted 6.9.0-rc1-virtme #1 [ 78.782704][ T72] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 78.783101][ T72] Workqueue: ipv6_addrconf addrconf_dad_work [ 78.783285][ T72] Call Trace: [ 78.783393][ T72] [ 78.783472][ T72] dump_stack_lvl+0x82/0xd0 [ 78.783698][ T72] print_bad_irq_dependency+0x957/0xd40 [ 78.783838][ T72] ? __pfx_validate_chain+0x10/0x10 [ 78.783985][ T72] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 78.784163][ T72] ? __pfx_usage_skip+0x10/0x10 [ 78.784462][ T72] ? __bfs+0x246/0x650 [ 78.784562][ T72] ? __pfx_usage_match+0x10/0x10 [ 78.784706][ T72] check_irq_usage+0x596/0x850 [ 78.784853][ T72] ? __pfx_check_irq_usage+0x10/0x10 [ 78.785077][ T72] ? __bfs+0x246/0x650 [ 78.785185][ T72] ? __pfx_hlock_conflict+0x10/0x10 [ 78.785333][ T72] ? check_path.constprop.0+0x24/0x50 [ 78.785477][ T72] ? check_noncircular+0x14c/0x3e0 [ 78.785625][ T72] ? __pfx_check_noncircular+0x10/0x10 [ 78.785850][ T72] ? check_prev_add+0x194/0xce0 [ 78.785995][ T72] check_prev_add+0x194/0xce0 [ 78.786145][ T72] ? validate_chain+0x130/0x9b0 [ 78.786289][ T72] validate_chain+0x71d/0x9b0 [ 78.786513][ T72] ? mark_lock+0x38/0x3e0 [ 78.786623][ T72] ? __pfx_validate_chain+0x10/0x10 [ 78.786770][ T72] ? hlock_class+0x4e/0x130 [ 78.786915][ T72] ? mark_lock+0x38/0x3e0 [ 78.787023][ T72] __lock_acquire+0xaf0/0x1570 [ 78.787246][ T72] lock_acquire.part.0+0xeb/0x330 [ 78.787388][ T72] ? __get_task_comm+0x27/0x70 [ 78.787538][ T72] ? mark_lock+0x38/0x3e0 [ 78.787649][ T72] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 78.787871][ T72] ? trace_lock_acquire+0x135/0x1c0 [ 78.788017][ T72] ? __get_task_comm+0x27/0x70 [ 78.788159][ T72] ? lock_acquire+0x32/0xc0 [ 78.788304][ T72] ? __get_task_comm+0x27/0x70 [ 78.788450][ T72] _raw_spin_lock+0x30/0x40 [ 78.788670][ T72] ? __get_task_comm+0x27/0x70 [ 78.788815][ T72] __get_task_comm+0x27/0x70 [ 78.788964][ T72] ref_tracker_alloc+0x2ee/0x490 [ 78.789109][ T72] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 78.789327][ T72] ? dev_get_by_index+0x177/0x270 [ 78.789471][ T72] ? netdev_get_by_index+0x5e/0x80 [ 78.789615][ T72] ? fib6_nh_init+0x3d8/0x1580 [ 78.789759][ T72] ? ip6_route_info_create+0xf18/0x17d0 [ 78.789980][ T72] ? addrconf_f6i_alloc+0x265/0x560 [ 78.790130][ T72] ? __ipv6_dev_ac_inc+0x25f/0xb10 [ 78.790277][ T72] ? addrconf_join_anycast+0x1c0/0x220 [ 78.790421][ T72] ? __ipv6_ifa_notify+0x6b3/0xaf0 [ 78.790566][ T72] ? addrconf_dad_completed+0x12b/0xe20 [ 78.790711][ T72] ? addrconf_dad_begin+0x310/0x670 [ 78.790853][ T72] ? addrconf_dad_work+0x10b/0xab0 [ 78.790984][ T72] ? process_one_work+0xe2c/0x1730 [ 78.791117][ T72] ? worker_thread+0x587/0xd30 [ 78.791251][ T72] ? kthread+0x28a/0x350 [ 78.791355][ T72] ? ret_from_fork+0x31/0x70 [ 78.791486][ T72] ? ret_from_fork_asm+0x1a/0x30 [ 78.791622][ T72] ? dev_get_by_index+0x177/0x270 [ 78.791832][ T72] netdev_get_by_index+0x5e/0x80 [ 78.791964][ T72] fib6_nh_init+0x3d8/0x1580 [ 78.792095][ T72] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 78.792258][ T72] ? __pfx_fib6_nh_init+0x10/0x10 [ 78.792473][ T72] ? kasan_save_track+0x14/0x30 [ 78.792607][ T72] ? __kasan_kmalloc+0x7f/0x90 [ 78.792739][ T72] ? __kmalloc+0x1d7/0x3c0 [ 78.792871][ T72] ? fib6_get_table+0x116/0x290 [ 78.793080][ T72] ip6_route_info_create+0xf18/0x17d0 [ 78.793212][ T72] ? __lock_release+0x103/0x460 [ 78.793352][ T72] ? __pfx_ip6_route_info_create+0x10/0x10 [ 78.793530][ T72] ? addrconf_f6i_alloc+0x12d/0x560 [ 78.793751][ T72] addrconf_f6i_alloc+0x265/0x560 [ 78.793899][ T72] ? __pfx_addrconf_f6i_alloc+0x10/0x10 [ 78.794036][ T72] ? do_raw_write_lock+0x122/0x3b0 [ 78.794168][ T72] ? __pfx_do_raw_write_lock+0x10/0x10 [ 78.794303][ T72] ? lock_acquire+0x32/0xc0 [ 78.794513][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 78.794644][ T72] ? mark_held_locks+0x9e/0xe0 [ 78.794777][ T72] addrconf_join_anycast+0x1c0/0x220 [ 78.794909][ T72] ? ip6_ins_rt+0xbd/0x110 [ 78.795196][ T72] ? __pfx_addrconf_join_anycast+0x10/0x10 [ 78.795367][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 78.795499][ T72] ? __pfx___ipv6_ifa_notify+0x10/0x10 [ 78.795631][ T72] ? __pfx___cancel_work+0x10/0x10 [ 78.795841][ T72] ? find_held_lock+0x2c/0x110 [ 78.795973][ T72] ? addrconf_dad_completed+0x12b/0xe20 [ 78.796103][ T72] addrconf_dad_completed+0x12b/0xe20 [ 78.796237][ T72] ? hlock_class+0x4e/0x130 [ 78.796450][ T72] ? __pfx_addrconf_dad_completed+0x10/0x10 [ 78.796614][ T72] ? mark_held_locks+0x9e/0xe0 [ 78.796748][ T72] ? addrconf_dad_begin+0x310/0x670 [ 78.796879][ T72] addrconf_dad_begin+0x310/0x670 [ 78.797086][ T72] ? hlock_class+0x4e/0x130 [ 78.797217][ T72] ? __pfx_addrconf_dad_begin+0x10/0x10 [ 78.797351][ T72] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 78.797519][ T72] addrconf_dad_work+0x10b/0xab0 [ 78.797725][ T72] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 78.797857][ T72] ? __pfx_addrconf_dad_work+0x10/0x10 [ 78.797988][ T72] ? process_one_work+0xde2/0x1730 [ 78.798119][ T72] ? lock_acquire+0x32/0xc0 [ 78.798325][ T72] ? process_one_work+0xde2/0x1730 [ 78.798458][ T72] process_one_work+0xe2c/0x1730 [ 78.798591][ T72] ? __pfx___lock_release+0x10/0x10 [ 78.798727][ T72] ? __pfx_process_one_work+0x10/0x10 [ 78.798861][ T72] ? assign_work+0x16c/0x240 [ 78.799081][ T72] worker_thread+0x587/0xd30 [ 78.799216][ T72] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 78.799392][ T72] ? __pfx_worker_thread+0x10/0x10 [ 78.799538][ T72] ? __pfx_worker_thread+0x10/0x10 [ 78.799682][ T72] kthread+0x28a/0x350 [ 78.799795][ T72] ? __pfx_kthread+0x10/0x10 [ 78.799936][ T72] ret_from_fork+0x31/0x70 [ 78.800073][ T72] ? __pfx_kthread+0x10/0x10 [ 78.800204][ T72] ret_from_fork_asm+0x1a/0x30 [ 78.800343][ T72] [ 80.022359][ T562] eth2: renamed from tmp [ 81.964068][ T572] eth0: renamed from tmp [ 82.547055][ T575] br0: port 1(eth0) entered blocking state [ 82.547304][ T575] br0: port 1(eth0) entered disabled state [ 82.547483][ T575] eth0: entered allmulticast mode [ 82.548405][ T575] eth0: entered promiscuous mode [ 82.549398][ T575] br0: port 1(eth0) entered blocking state [ 82.549561][ T575] br0: port 1(eth0) entered forwarding state [ 83.418630][ T579] eth1: renamed from tmp [ 84.008626][ T582] br0: port 2(eth1) entered blocking state [ 84.008829][ T582] br0: port 2(eth1) entered disabled state [ 84.009017][ T582] eth1: entered allmulticast mode [ 84.009909][ T582] eth1: entered promiscuous mode [ 84.010467][ T582] br0: port 2(eth1) entered blocking state [ 84.010629][ T582] br0: port 2(eth1) entered forwarding state [ 88.661559][ T72] br0: port 1(eth0) entered disabled state [ 88.663807][ T72] eth0 (unregistering): left allmulticast mode [ 88.663991][ T72] eth0 (unregistering): left promiscuous mode [ 88.664145][ T72] br0: port 1(eth0) entered disabled state [ 89.187969][ T72] eth1: left allmulticast mode [ 89.188127][ T72] eth1: left promiscuous mode [ 89.188366][ T72] br0: port 2(eth1) entered disabled state [ 95.744669][ T642] eth1: renamed from tmp [ 97.469316][ T651] eth2: renamed from tmp