[ 29.885859][ T312] br1: port 1(vx10) entered blocking state [ 29.886439][ T312] br1: port 1(vx10) entered disabled state [ 29.887371][ T312] vx10: entered allmulticast mode [ 29.889381][ T312] vx10: entered promiscuous mode [ 29.890191][ T312] br1: port 1(vx10) entered blocking state [ 29.890533][ T312] br1: port 1(vx10) entered forwarding state [ 30.448216][ T317] br1: port 2(vx20) entered blocking state [ 30.448505][ T317] br1: port 2(vx20) entered disabled state [ 30.448797][ T317] vx20: entered allmulticast mode [ 30.450633][ T317] vx20: entered promiscuous mode [ 30.451198][ T317] br1: port 2(vx20) entered blocking state [ 30.451455][ T317] br1: port 2(vx20) entered forwarding state [ 30.732324][ T319] br1: port 3(veth1) entered blocking state [ 30.732779][ T319] br1: port 3(veth1) entered disabled state [ 30.733198][ T319] veth1: entered allmulticast mode [ 30.746804][ T319] veth1: entered promiscuous mode [ 30.875288][ T7] br1: port 3(veth1) entered blocking state [ 30.875668][ T7] br1: port 3(veth1) entered forwarding state [ 30.998387][ T321] br1: port 4(veth2) entered blocking state [ 30.998678][ T321] br1: port 4(veth2) entered disabled state [ 30.999937][ T321] veth2: entered allmulticast mode [ 31.001833][ T321] veth2: entered promiscuous mode [ 31.082326][ T72] [ 31.082487][ T72] ===================================================== [ 31.082767][ T72] WARNING: SOFTIRQ-READ-safe -> SOFTIRQ-READ-unsafe lock order detected [ 31.083099][ T72] 6.9.0-rc1-virtme #1 Not tainted [ 31.083320][ T72] ----------------------------------------------------- [ 31.083592][ T72] kworker/u16:1/72 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 31.083902][ T72] ffff888004facee8 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 31.084276][ T72] [ 31.084276][ T72] and this task is already holding: [ 31.084568][ T72] ffff888007703d80 (&ndev->lock){++.-}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 31.084905][ T72] which would create a new lock dependency: [ 31.085141][ T72] (&ndev->lock){++.-}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 31.085438][ T72] [ 31.085438][ T72] but this new dependency connects a SOFTIRQ-READ-irq-safe lock: [ 31.085773][ T72] (&ndev->lock){++.-}-{2:2} [ 31.085780][ T72] [ 31.085780][ T72] ... which became SOFTIRQ-READ-irq-safe at: [ 31.086277][ T72] __lock_acquire+0x797/0x1570 [ 31.086485][ T72] lock_acquire.part.0+0xeb/0x330 [ 31.086707][ T72] _raw_read_lock_bh+0x44/0x80 [ 31.086917][ T72] ipv6_get_lladdr+0xa9/0x3e0 [ 31.087117][ T72] ndisc_send_ns+0xe7/0x100 [ 31.087321][ T72] ndisc_solicit+0x2ae/0x4d0 [ 31.087530][ T72] neigh_probe+0xaa/0xf0 [ 31.087681][ T72] neigh_timer_handler+0x45b/0xdf0 [ 31.087887][ T72] call_timer_fn+0x13b/0x230 [ 31.088099][ T72] __run_timers+0x545/0x810 [ 31.088298][ T72] timer_expire_remote+0x9b/0xe0 [ 31.088499][ T72] tmigr_handle_remote_cpu+0x270/0x430 [ 31.088692][ T72] tmigr_handle_remote_up+0x19f/0x2e0 [ 31.088885][ T72] tmigr_handle_remote+0x21d/0x3a0 [ 31.089101][ T72] __do_softirq+0x1f8/0x5df [ 31.089310][ T72] irq_exit_rcu+0x97/0xc0 [ 31.089504][ T72] sysvec_apic_timer_interrupt+0x75/0x80 [ 31.089690][ T72] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 31.089888][ T72] default_idle+0xf/0x20 [ 31.089997][ T72] default_idle_call+0x6d/0xb0 [ 31.090144][ T72] cpuidle_idle_call+0x1f4/0x280 [ 31.090293][ T72] do_idle+0xf9/0x160 [ 31.090403][ T72] cpu_startup_entry+0x54/0x60 [ 31.090549][ T72] rest_init+0x14f/0x260 [ 31.090664][ T72] start_kernel+0x318/0x3d0 [ 31.090814][ T72] x86_64_start_reservations+0x18/0x30 [ 31.090967][ T72] x86_64_start_kernel+0xba/0x110 [ 31.091118][ T72] common_startup_64+0x12c/0x138 [ 31.091265][ T72] [ 31.091265][ T72] to a SOFTIRQ-READ-irq-unsafe lock: [ 31.091482][ T72] (&p->alloc_lock){+.+.}-{2:2} [ 31.091487][ T72] [ 31.091487][ T72] ... which became SOFTIRQ-READ-irq-unsafe at: [ 31.091843][ T72] ... [ 31.091844][ T72] __lock_acquire+0x797/0x1570 [ 31.092075][ T72] lock_acquire.part.0+0xeb/0x330 [ 31.092233][ T72] _raw_spin_lock+0x30/0x40 [ 31.092379][ T72] set_mems_allowed+0x1d/0x210 [ 31.092520][ T72] kernel_init_freeable+0x72/0x310 [ 31.092666][ T72] kernel_init+0x20/0x200 [ 31.092812][ T72] ret_from_fork+0x31/0x70 [ 31.092959][ T72] ret_from_fork_asm+0x1a/0x30 [ 31.093111][ T72] [ 31.093111][ T72] other info that might help us debug this: [ 31.093111][ T72] [ 31.093387][ T72] Possible interrupt unsafe locking scenario: [ 31.093387][ T72] [ 31.093604][ T72] CPU0 CPU1 [ 31.093747][ T72] ---- ---- [ 31.093894][ T72] lock(&p->alloc_lock); [ 31.094005][ T72] local_irq_disable(); [ 31.094206][ T72] lock(&ndev->lock); [ 31.094397][ T72] lock(&p->alloc_lock); [ 31.094577][ T72] [ 31.094688][ T72] lock(&ndev->lock); [ 31.094799][ T72] [ 31.094799][ T72] *** DEADLOCK *** [ 31.094799][ T72] [ 31.095022][ T72] 4 locks held by kworker/u16:1/72: [ 31.095173][ T72] #0: ffff8880054c1148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 31.095471][ T72] #1: ffffc900004dfda0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 31.095805][ T72] #2: ffffffffbcd969c8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xaf/0xab0 [ 31.096066][ T72] #3: ffff888007703d80 (&ndev->lock){++.-}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 31.096326][ T72] [ 31.096326][ T72] the dependencies between SOFTIRQ-READ-irq-safe lock and the holding lock: [ 31.096637][ T72] -> (&ndev->lock){++.-}-{2:2} { [ 31.096875][ T72] HARDIRQ-ON-W at: [ 31.096994][ T72] __lock_acquire+0x797/0x1570 [ 31.097201][ T72] lock_acquire.part.0+0xeb/0x330 [ 31.097471][ T72] _raw_write_lock_bh+0x38/0x50 [ 31.097659][ T72] addrconf_permanent_addr+0x6e/0x670 [ 31.097849][ T72] addrconf_notify+0x749/0xd60 [ 31.098111][ T72] notifier_call_chain+0xcd/0x150 [ 31.098385][ T72] __dev_notify_flags+0xe6/0x250 [ 31.098575][ T72] dev_change_flags+0xec/0x160 [ 31.098760][ T72] do_setlink+0x7d6/0x21e0 [ 31.099031][ T72] __rtnl_newlink+0xaa7/0xd80 [ 31.099220][ T72] rtnl_newlink+0x63/0xa0 [ 31.099406][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 31.099589][ T72] netlink_rcv_skb+0x130/0x360 [ 31.099861][ T72] netlink_unicast+0x449/0x710 [ 31.100046][ T72] netlink_sendmsg+0x723/0xbe0 [ 31.100228][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 31.100503][ T72] ___sys_sendmsg+0xee/0x170 [ 31.100786][ T72] __sys_sendmsg+0xcd/0x170 [ 31.100975][ T72] do_syscall_64+0xc6/0x1e0 [ 31.101161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 31.101391][ T72] HARDIRQ-ON-R at: [ 31.101594][ T72] __lock_acquire+0x797/0x1570 [ 31.101782][ T72] lock_acquire.part.0+0xeb/0x330 [ 31.101977][ T72] _raw_read_lock_bh+0x44/0x80 [ 31.102168][ T72] inet6_fill_ifla6_attrs+0x516/0x740 [ 31.102446][ T72] inet6_fill_link_af+0x5e/0xe0 [ 31.102635][ T72] rtnl_fill_ifinfo+0x1612/0x29e0 [ 31.102818][ T72] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 31.103006][ T72] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 31.103226][ T72] rtmsg_ifinfo+0x5b/0xa0 [ 31.103486][ T72] register_netdevice+0x1177/0x1690 [ 31.103676][ T72] register_netdev+0x20/0x40 [ 31.103862][ T72] sit_init_net+0x250/0x4f0 [ 31.104132][ T72] ops_init+0x9b/0x560 [ 31.104286][ T72] register_pernet_operations+0x2db/0x710 [ 31.104505][ T72] register_pernet_device+0x2a/0x60 [ 31.104769][ T72] sit_init+0x23/0xe0 [ 31.104919][ T72] do_one_initcall+0x8d/0x1e0 [ 31.105104][ T72] do_initcalls+0x1b2/0x3e0 [ 31.105288][ T72] kernel_init_freeable+0x232/0x310 [ 31.105473][ T72] kernel_init+0x20/0x200 [ 31.105664][ T72] ret_from_fork+0x31/0x70 [ 31.105858][ T72] ret_from_fork_asm+0x1a/0x30 [ 31.106042][ T72] IN-SOFTIRQ-R at: [ 31.106151][ T72] __lock_acquire+0x797/0x1570 [ 31.106334][ T72] lock_acquire.part.0+0xeb/0x330 [ 31.106515][ T72] _raw_read_lock_bh+0x44/0x80 [ 31.106793][ T72] ipv6_get_lladdr+0xa9/0x3e0 [ 31.106978][ T72] ndisc_send_ns+0xe7/0x100 [ 31.107163][ T72] ndisc_solicit+0x2ae/0x4d0 [ 31.107349][ T72] neigh_probe+0xaa/0xf0 [ 31.107535][ T72] neigh_timer_handler+0x45b/0xdf0 [ 31.107717][ T72] call_timer_fn+0x13b/0x230 [ 31.107903][ T72] __run_timers+0x545/0x810 [ 31.108092][ T72] timer_expire_remote+0x9b/0xe0 [ 31.108374][ T72] tmigr_handle_remote_cpu+0x270/0x430 [ 31.108557][ T72] tmigr_handle_remote_up+0x19f/0x2e0 [ 31.108744][ T72] tmigr_handle_remote+0x21d/0x3a0 [ 31.108932][ T72] __do_softirq+0x1f8/0x5df [ 31.109277][ T72] irq_exit_rcu+0x97/0xc0 [ 31.109468][ T72] sysvec_apic_timer_interrupt+0x75/0x80 [ 31.109687][ T72] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 31.109996][ T72] default_idle+0xf/0x20 [ 31.110179][ T72] default_idle_call+0x6d/0xb0 [ 31.110367][ T72] cpuidle_idle_call+0x1f4/0x280 [ 31.110558][ T72] do_idle+0xf9/0x160 [ 31.110784][ T72] cpu_startup_entry+0x54/0x60 [ 31.110977][ T72] rest_init+0x14f/0x260 [ 31.111165][ T72] start_kernel+0x318/0x3d0 [ 31.111440][ T72] x86_64_start_reservations+0x18/0x30 [ 31.111627][ T72] x86_64_start_kernel+0xba/0x110 [ 31.111894][ T72] common_startup_64+0x12c/0x138 [ 31.112081][ T72] INITIAL USE at: [ 31.112193][ T72] __lock_acquire+0x797/0x1570 [ 31.112395][ T72] lock_acquire.part.0+0xeb/0x330 [ 31.112582][ T72] _raw_write_lock_bh+0x38/0x50 [ 31.112773][ T72] addrconf_permanent_addr+0x6e/0x670 [ 31.112956][ T72] addrconf_notify+0x749/0xd60 [ 31.113221][ T72] notifier_call_chain+0xcd/0x150 [ 31.113407][ T72] __dev_notify_flags+0xe6/0x250 [ 31.113587][ T72] dev_change_flags+0xec/0x160 [ 31.113854][ T72] do_setlink+0x7d6/0x21e0 [ 31.114042][ T72] __rtnl_newlink+0xaa7/0xd80 [ 31.114226][ T72] rtnl_newlink+0x63/0xa0 [ 31.114410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 31.114595][ T72] netlink_rcv_skb+0x130/0x360 [ 31.114777][ T72] netlink_unicast+0x449/0x710 [ 31.114956][ T72] netlink_sendmsg+0x723/0xbe0 [ 31.115141][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 31.115322][ T72] ___sys_sendmsg+0xee/0x170 [ 31.115501][ T72] __sys_sendmsg+0xcd/0x170 [ 31.115684][ T72] do_syscall_64+0xc6/0x1e0 [ 31.115961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 31.116180][ T72] INITIAL READ USE at: [ 31.116292][ T72] __lock_acquire+0x797/0x1570 [ 31.116479][ T72] lock_acquire.part.0+0xeb/0x330 [ 31.116669][ T72] _raw_read_lock_bh+0x44/0x80 [ 31.116852][ T72] inet6_fill_ifla6_attrs+0x516/0x740 [ 31.117070][ T72] inet6_fill_link_af+0x5e/0xe0 [ 31.117259][ T72] rtnl_fill_ifinfo+0x1612/0x29e0 [ 31.117444][ T72] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 31.117663][ T72] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 31.117971][ T72] rtmsg_ifinfo+0x5b/0xa0 [ 31.118152][ T72] register_netdevice+0x1177/0x1690 [ 31.118374][ T72] register_netdev+0x20/0x40 [ 31.118555][ T72] sit_init_net+0x250/0x4f0 [ 31.118756][ T72] ops_init+0x9b/0x560 [ 31.118941][ T72] register_pernet_operations+0x2db/0x710 [ 31.119161][ T72] register_pernet_device+0x2a/0x60 [ 31.119377][ T72] sit_init+0x23/0xe0 [ 31.119559][ T72] do_one_initcall+0x8d/0x1e0 [ 31.119820][ T72] do_initcalls+0x1b2/0x3e0 [ 31.120005][ T72] kernel_init_freeable+0x232/0x310 [ 31.120225][ T72] kernel_init+0x20/0x200 [ 31.120405][ T72] ret_from_fork+0x31/0x70 [ 31.120589][ T72] ret_from_fork_asm+0x1a/0x30 [ 31.120771][ T72] } [ 31.120845][ T72] ... key at: [] __key.37+0x0/0x40 [ 31.121068][ T72] [ 31.121068][ T72] the dependencies between the lock to be acquired [ 31.121069][ T72] and SOFTIRQ-READ-irq-unsafe lock: [ 31.121454][ T72] -> (&p->alloc_lock){+.+.}-{2:2} { [ 31.121681][ T72] HARDIRQ-ON-W at: [ 31.121792][ T72] __lock_acquire+0x797/0x1570 [ 31.121977][ T72] lock_acquire.part.0+0xeb/0x330 [ 31.122161][ T72] _raw_spin_lock+0x30/0x40 [ 31.122423][ T72] set_mems_allowed+0x1d/0x210 [ 31.122605][ T72] kernel_init_freeable+0x72/0x310 [ 31.122784][ T72] kernel_init+0x20/0x200 [ 31.122965][ T72] ret_from_fork+0x31/0x70 [ 31.123231][ T72] ret_from_fork_asm+0x1a/0x30 [ 31.123409][ T72] SOFTIRQ-ON-W at: [ 31.123515][ T72] __lock_acquire+0x797/0x1570 [ 31.123789][ T72] lock_acquire.part.0+0xeb/0x330 [ 31.123970][ T72] _raw_spin_lock+0x30/0x40 [ 31.124154][ T72] set_mems_allowed+0x1d/0x210 [ 31.124334][ T72] kernel_init_freeable+0x72/0x310 [ 31.124512][ T72] kernel_init+0x20/0x200 [ 31.124690][ T72] ret_from_fork+0x31/0x70 [ 31.124870][ T72] ret_from_fork_asm+0x1a/0x30 [ 31.125055][ T72] INITIAL USE at: [ 31.125164][ T72] __lock_acquire+0x797/0x1570 [ 31.125343][ T72] lock_acquire.part.0+0xeb/0x330 [ 31.125524][ T72] _raw_spin_lock+0x30/0x40 [ 31.125781][ T72] set_mems_allowed+0x1d/0x210 [ 31.125967][ T72] kernel_init_freeable+0x72/0x310 [ 31.126147][ T72] kernel_init+0x20/0x200 [ 31.126480][ T72] ret_from_fork+0x31/0x70 [ 31.126700][ T72] ret_from_fork_asm+0x1a/0x30 [ 31.126866][ T72] } [ 31.126934][ T72] ... key at: [] __key.387+0x0/0x40 [ 31.127215][ T72] ... acquired at: [ 31.127314][ T72] check_prev_add+0x194/0xce0 [ 31.127447][ T72] validate_chain+0x71d/0x9b0 [ 31.127583][ T72] __lock_acquire+0xaf0/0x1570 [ 31.127720][ T72] lock_acquire.part.0+0xeb/0x330 [ 31.127939][ T72] _raw_spin_lock+0x30/0x40 [ 31.128080][ T72] __get_task_comm+0x27/0x70 [ 31.128213][ T72] ref_tracker_alloc+0x2ee/0x490 [ 31.128346][ T72] netdev_get_by_index+0x5e/0x80 [ 31.128479][ T72] fib6_nh_init+0x3d8/0x15b0 [ 31.128611][ T72] ip6_route_info_create+0xf18/0x17d0 [ 31.128745][ T72] addrconf_f6i_alloc+0x265/0x560 [ 31.128883][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 31.129020][ T72] addrconf_join_anycast+0x1c0/0x220 [ 31.129152][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 31.129284][ T72] addrconf_dad_completed+0x12b/0xe20 [ 31.129417][ T72] addrconf_dad_work+0x38c/0xab0 [ 31.129624][ T72] process_one_work+0xe2c/0x1730 [ 31.129763][ T72] worker_thread+0x587/0xd30 [ 31.129905][ T72] kthread+0x28a/0x350 [ 31.130005][ T72] ret_from_fork+0x31/0x70 [ 31.130136][ T72] ret_from_fork_asm+0x1a/0x30 [ 31.130269][ T72] [ 31.130337][ T72] [ 31.130337][ T72] stack backtrace: [ 31.130498][ T72] CPU: 1 PID: 72 Comm: kworker/u16:1 Not tainted 6.9.0-rc1-virtme #1 [ 31.130712][ T72] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.131035][ T72] Workqueue: ipv6_addrconf addrconf_dad_work [ 31.131212][ T72] Call Trace: [ 31.131314][ T72] [ 31.131387][ T72] dump_stack_lvl+0x82/0xd0 [ 31.131532][ T72] print_bad_irq_dependency+0x957/0xd40 [ 31.131665][ T72] ? __pfx_validate_chain+0x10/0x10 [ 31.131799][ T72] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 31.131972][ T72] ? __pfx_usage_skip+0x10/0x10 [ 31.132103][ T72] ? __bfs+0x246/0x650 [ 31.132206][ T72] ? __pfx_usage_match+0x10/0x10 [ 31.132347][ T72] check_irq_usage+0x596/0x850 [ 31.132488][ T72] ? __pfx_check_irq_usage+0x10/0x10 [ 31.132622][ T72] ? __bfs+0x246/0x650 [ 31.132721][ T72] ? __pfx_hlock_conflict+0x10/0x10 [ 31.132866][ T72] ? check_path.constprop.0+0x24/0x50 [ 31.133005][ T72] ? check_noncircular+0x14c/0x3e0 [ 31.133141][ T72] ? __pfx_check_noncircular+0x10/0x10 [ 31.133282][ T72] ? check_prev_add+0x194/0xce0 [ 31.133428][ T72] check_prev_add+0x194/0xce0 [ 31.133560][ T72] ? validate_chain+0x130/0x9b0 [ 31.133702][ T72] validate_chain+0x71d/0x9b0 [ 31.133835][ T72] ? mark_lock+0x38/0x3e0 [ 31.133940][ T72] ? __pfx_validate_chain+0x10/0x10 [ 31.134071][ T72] ? hlock_class+0x4e/0x130 [ 31.134215][ T72] ? mark_lock+0x38/0x3e0 [ 31.134318][ T72] __lock_acquire+0xaf0/0x1570 [ 31.134453][ T72] lock_acquire.part.0+0xeb/0x330 [ 31.134588][ T72] ? __get_task_comm+0x27/0x70 [ 31.134724][ T72] ? mark_lock+0x38/0x3e0 [ 31.134825][ T72] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 31.134969][ T72] ? trace_lock_acquire+0x135/0x1c0 [ 31.135100][ T72] ? __get_task_comm+0x27/0x70 [ 31.135238][ T72] ? lock_acquire+0x32/0xc0 [ 31.135372][ T72] ? __get_task_comm+0x27/0x70 [ 31.135513][ T72] _raw_spin_lock+0x30/0x40 [ 31.135644][ T72] ? __get_task_comm+0x27/0x70 [ 31.135782][ T72] __get_task_comm+0x27/0x70 [ 31.135932][ T72] ref_tracker_alloc+0x2ee/0x490 [ 31.136067][ T72] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 31.136198][ T72] ? dev_get_by_index+0x177/0x270 [ 31.136329][ T72] ? netdev_get_by_index+0x5e/0x80 [ 31.136461][ T72] ? fib6_nh_init+0x3d8/0x15b0 [ 31.136602][ T72] ? ip6_route_info_create+0xf18/0x17d0 [ 31.136742][ T72] ? addrconf_f6i_alloc+0x265/0x560 [ 31.136873][ T72] ? __ipv6_dev_ac_inc+0x25f/0xb10 [ 31.137004][ T72] ? addrconf_join_anycast+0x1c0/0x220 [ 31.137135][ T72] ? __ipv6_ifa_notify+0x6b3/0xaf0 [ 31.137269][ T72] ? addrconf_dad_completed+0x12b/0xe20 [ 31.137400][ T72] ? addrconf_dad_work+0x38c/0xab0 [ 31.137536][ T72] ? process_one_work+0xe2c/0x1730 [ 31.137668][ T72] ? worker_thread+0x587/0xd30 [ 31.137801][ T72] ? kthread+0x28a/0x350 [ 31.137901][ T72] ? ret_from_fork+0x31/0x70 [ 31.138032][ T72] ? ret_from_fork_asm+0x1a/0x30 [ 31.138164][ T72] ? dev_get_by_index+0x177/0x270 [ 31.138299][ T72] netdev_get_by_index+0x5e/0x80 [ 31.138438][ T72] fib6_nh_init+0x3d8/0x15b0 [ 31.138574][ T72] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 31.138739][ T72] ? __pfx_fib6_nh_init+0x10/0x10 [ 31.138871][ T72] ? kasan_save_track+0x14/0x30 [ 31.139007][ T72] ? __kasan_kmalloc+0x7f/0x90 [ 31.139138][ T72] ? __kmalloc+0x1d7/0x3c0 [ 31.139274][ T72] ? fib6_get_table+0x116/0x290 [ 31.139406][ T72] ip6_route_info_create+0xf18/0x17d0 [ 31.139542][ T72] ? __lock_release+0x103/0x460 [ 31.139679][ T72] ? __pfx_ip6_route_info_create+0x10/0x10 [ 31.139845][ T72] ? addrconf_f6i_alloc+0x12d/0x560 [ 31.139979][ T72] addrconf_f6i_alloc+0x265/0x560 [ 31.140115][ T72] ? __pfx_addrconf_f6i_alloc+0x10/0x10 [ 31.140251][ T72] ? do_raw_write_lock+0x122/0x3b0 [ 31.140382][ T72] ? __pfx_do_raw_write_lock+0x10/0x10 [ 31.140511][ T72] ? lock_acquire+0x32/0xc0 [ 31.140645][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 31.140778][ T72] ? mark_held_locks+0x9e/0xe0 [ 31.140914][ T72] addrconf_join_anycast+0x1c0/0x220 [ 31.141043][ T72] ? ip6_ins_rt+0xbd/0x110 [ 31.141176][ T72] ? __pfx_addrconf_join_anycast+0x10/0x10 [ 31.141340][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 31.141471][ T72] ? __pfx___ipv6_ifa_notify+0x10/0x10 [ 31.141605][ T72] ? __pfx___cancel_work+0x10/0x10 [ 31.141825][ T72] ? find_held_lock+0x2c/0x110 [ 31.141960][ T72] ? addrconf_dad_completed+0x12b/0xe20 [ 31.142104][ T72] addrconf_dad_completed+0x12b/0xe20 [ 31.142315][ T72] ? hlock_class+0x4e/0x130 [ 31.142530][ T72] ? __pfx_addrconf_dad_completed+0x10/0x10 [ 31.142747][ T72] ? mark_held_locks+0x9e/0xe0 [ 31.142887][ T72] ? addrconf_dad_work+0x38c/0xab0 [ 31.143016][ T72] addrconf_dad_work+0x38c/0xab0 [ 31.143164][ T72] ? __pfx_addrconf_dad_work+0x10/0x10 [ 31.143300][ T72] ? process_one_work+0xde2/0x1730 [ 31.143431][ T72] ? lock_acquire+0x32/0xc0 [ 31.143562][ T72] ? process_one_work+0xde2/0x1730 [ 31.143703][ T72] process_one_work+0xe2c/0x1730 [ 31.143914][ T72] ? __pfx___lock_release+0x10/0x10 [ 31.144055][ T72] ? __pfx_process_one_work+0x10/0x10 [ 31.144193][ T72] ? assign_work+0x16c/0x240 [ 31.144325][ T72] worker_thread+0x587/0xd30 [ 31.144535][ T72] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 31.144702][ T72] ? __pfx_worker_thread+0x10/0x10 [ 31.144833][ T72] ? __pfx_worker_thread+0x10/0x10 [ 31.144963][ T72] kthread+0x28a/0x350 [ 31.145148][ T72] ? __pfx_kthread+0x10/0x10 [ 31.145285][ T72] ret_from_fork+0x31/0x70 [ 31.145416][ T72] ? __pfx_kthread+0x10/0x10 [ 31.145547][ T72] ret_from_fork_asm+0x1a/0x30 [ 31.145690][ T72] [ 31.150172][ T50] br1: port 4(veth2) entered blocking state [ 31.150372][ T50] br1: port 4(veth2) entered forwarding state [ 31.442485][ T326] br1: port 5(vx4001) entered blocking state [ 31.442703][ T326] br1: port 5(vx4001) entered disabled state [ 31.442930][ T326] vx4001: entered allmulticast mode [ 31.449948][ T326] vx4001: entered promiscuous mode [ 31.450394][ T326] br1: port 5(vx4001) entered blocking state [ 31.450587][ T326] br1: port 5(vx4001) entered forwarding state [ 32.217154][ T335] 8021q: 802.1Q VLAN Support v1.8 [ 32.540985][ T338] br1: entered promiscuous mode [ 32.542559][ T338] br1: left promiscuous mode [ 32.549239][ T338] br1: entered promiscuous mode [ 39.125243][ T412] br1: port 1(vx10) entered blocking state [ 39.125513][ T412] br1: port 1(vx10) entered disabled state [ 39.125745][ T412] vx10: entered allmulticast mode [ 39.127262][ T412] vx10: entered promiscuous mode [ 39.127919][ T412] br1: port 1(vx10) entered blocking state [ 39.128127][ T412] br1: port 1(vx10) entered forwarding state [ 39.523786][ T416] br1: port 2(vx20) entered blocking state [ 39.524053][ T416] br1: port 2(vx20) entered disabled state [ 39.524245][ T416] vx20: entered allmulticast mode [ 39.525674][ T416] vx20: entered promiscuous mode [ 39.526078][ T416] br1: port 2(vx20) entered blocking state [ 39.526258][ T416] br1: port 2(vx20) entered forwarding state [ 39.952886][ T420] br1: port 3(vx4001) entered blocking state [ 39.953091][ T420] br1: port 3(vx4001) entered disabled state [ 39.953319][ T420] vx4001: entered allmulticast mode [ 39.954838][ T420] vx4001: entered promiscuous mode [ 39.955237][ T420] br1: port 3(vx4001) entered blocking state [ 39.955416][ T420] br1: port 3(vx4001) entered forwarding state [ 40.157619][ T422] br1: port 4(w1) entered blocking state [ 40.158412][ T422] br1: port 4(w1) entered disabled state [ 40.158997][ T422] w1: entered allmulticast mode [ 40.160481][ T422] w1: entered promiscuous mode [ 40.254161][ T50] br1: port 4(w1) entered blocking state [ 40.254363][ T50] br1: port 4(w1) entered forwarding state [ 40.476863][ T425] br1: port 5(w3) entered blocking state [ 40.477064][ T425] br1: port 5(w3) entered disabled state [ 40.477249][ T425] w3: entered allmulticast mode [ 40.479535][ T425] w3: entered promiscuous mode [ 40.575312][ T49] br1: port 5(w3) entered blocking state [ 40.575507][ T49] br1: port 5(w3) entered forwarding state [ 41.497545][ T435] br1: entered promiscuous mode [ 41.499065][ T435] br1: left promiscuous mode [ 41.517295][ T435] br1: entered promiscuous mode [ 42.386163][ C0] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 42.388358][ C0] IPv6: vlan20-v: IPv6 duplicate address 2001:db8:2::3 used by 00:00:5e:00:01:01 detected! [ 42.474164][ C0] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 42.475061][ C0] IPv6: vlan10-v: IPv6 duplicate address 2001:db8:1::3 used by 00:00:5e:00:01:01 detected! [ 43.050256][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 43.114201][ C0] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 43.114867][ C0] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 43.116025][ C0] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 43.116612][ C0] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 43.338101][ C0] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 60.799769][ T72] w3: left allmulticast mode [ 60.800000][ T72] w3: left promiscuous mode [ 60.800298][ T72] br1: port 5(w3) entered disabled state [ 60.801436][ T72] w1: left allmulticast mode [ 60.801607][ T72] w1: left promiscuous mode [ 60.801882][ T72] br1: port 4(w1) entered disabled state [ 60.802802][ T72] vx4001: left allmulticast mode [ 60.802958][ T72] vx4001: left promiscuous mode [ 60.803213][ T72] br1: port 3(vx4001) entered disabled state [ 60.804162][ T72] vx20: left allmulticast mode [ 60.804330][ T72] vx20: left promiscuous mode [ 60.804592][ T72] br1: port 2(vx20) entered disabled state [ 60.805753][ T72] vx10: left allmulticast mode [ 60.805925][ T72] vx10: left promiscuous mode [ 60.806186][ T72] br1: port 1(vx10) entered disabled state [ 62.799390][ T595] br1: left promiscuous mode [ 63.465868][ T601] br1: port 4(veth2) entered disabled state [ 63.561218][ T602] veth2: left allmulticast mode [ 63.561456][ T602] veth2: left promiscuous mode [ 63.561703][ T602] br1: port 4(veth2) entered disabled state [ 63.790306][ T604] br1: port 3(veth1) entered disabled state [ 63.888062][ T605] veth1: left allmulticast mode [ 63.888360][ T605] veth1: left promiscuous mode [ 63.888604][ T605] br1: port 3(veth1) entered disabled state [ 64.086343][ T607] vx4001: left allmulticast mode [ 64.086518][ T607] vx4001: left promiscuous mode [ 64.086781][ T607] br1: port 5(vx4001) entered disabled state [ 64.492650][ T611] vx20: left allmulticast mode [ 64.492826][ T611] vx20: left promiscuous mode [ 64.493070][ T611] br1: port 2(vx20) entered disabled state [ 64.880139][ T615] vx10: left allmulticast mode [ 64.880302][ T615] vx10: left promiscuous mode [ 64.880544][ T615] br1: port 1(vx10) entered disabled state