[ 8.913673][ T185] ip (185) used greatest stack depth: 24448 bytes left [ 10.145880][ T227] 8021q: 802.1Q VLAN Support v1.8 [ 11.506156][ T278] br1: port 1(vx10) entered blocking state [ 11.506719][ T278] br1: port 1(vx10) entered disabled state [ 11.506927][ T278] vx10: entered allmulticast mode [ 11.518078][ T278] vx10: entered promiscuous mode [ 11.518682][ T278] br1: port 1(vx10) entered blocking state [ 11.518903][ T278] br1: port 1(vx10) entered forwarding state [ 11.617273][ T281] ip (281) used greatest stack depth: 24256 bytes left [ 11.647299][ T283] br1: port 2(vx20) entered blocking state [ 11.647613][ T283] br1: port 2(vx20) entered disabled state [ 11.648020][ T283] vx20: entered allmulticast mode [ 11.650584][ T283] vx20: entered promiscuous mode [ 11.651126][ T283] br1: port 2(vx20) entered blocking state [ 11.651410][ T283] br1: port 2(vx20) entered forwarding state [ 11.706543][ T285] br1: port 3(veth1) entered blocking state [ 11.706737][ T285] br1: port 3(veth1) entered disabled state [ 11.706919][ T285] veth1: entered allmulticast mode [ 11.708614][ T285] veth1: entered promiscuous mode [ 11.735123][ T39] br1: port 3(veth1) entered blocking state [ 11.735488][ T39] br1: port 3(veth1) entered forwarding state [ 11.811582][ T289] br1: port 4(veth2) entered blocking state [ 11.811826][ T289] br1: port 4(veth2) entered disabled state [ 11.812064][ T289] veth2: entered allmulticast mode [ 11.814059][ T289] veth2: entered promiscuous mode [ 11.836076][ T39] br1: port 4(veth2) entered blocking state [ 11.836254][ T39] br1: port 4(veth2) entered forwarding state [ 12.873858][ T336] ip (336) used greatest stack depth: 23872 bytes left [ 12.935129][ T338] br2: port 1(w1) entered blocking state [ 12.935323][ T338] br2: port 1(w1) entered disabled state [ 12.935535][ T338] w1: entered allmulticast mode [ 12.936977][ T338] w1: entered promiscuous mode [ 13.125941][ T346] br2: port 2(vx10) entered blocking state [ 13.126161][ T346] br2: port 2(vx10) entered disabled state [ 13.126384][ T346] vx10: entered allmulticast mode [ 13.127804][ T346] vx10: entered promiscuous mode [ 13.128212][ T346] br2: port 2(vx10) entered blocking state [ 13.128416][ T346] br2: port 2(vx10) entered forwarding state [ 13.292475][ T353] br2: port 3(vx20) entered blocking state [ 13.292653][ T353] br2: port 3(vx20) entered disabled state [ 13.292829][ T353] vx20: entered allmulticast mode [ 13.294183][ T353] vx20: entered promiscuous mode [ 13.294501][ T353] br2: port 3(vx20) entered blocking state [ 13.294662][ T353] br2: port 3(vx20) entered forwarding state [ 13.489597][ T36] br2: port 1(w1) entered blocking state [ 13.489789][ T36] br2: port 1(w1) entered forwarding state [ 14.122485][ T392] br2: port 1(w1) entered blocking state [ 14.122704][ T392] br2: port 1(w1) entered disabled state [ 14.122900][ T392] w1: entered allmulticast mode [ 14.124317][ T392] w1: entered promiscuous mode [ 14.326117][ T400] br2: port 2(vx10) entered blocking state [ 14.326330][ T400] br2: port 2(vx10) entered disabled state [ 14.326519][ T400] vx10: entered allmulticast mode [ 14.327908][ T400] vx10: entered promiscuous mode [ 14.328231][ T400] br2: port 2(vx10) entered blocking state [ 14.328393][ T400] br2: port 2(vx10) entered forwarding state [ 14.513860][ T407] br2: port 3(vx20) entered blocking state [ 14.514058][ T407] br2: port 3(vx20) entered disabled state [ 14.514238][ T407] vx20: entered allmulticast mode [ 14.515871][ T407] vx20: entered promiscuous mode [ 14.516198][ T407] br2: port 3(vx20) entered blocking state [ 14.516382][ T407] br2: port 3(vx20) entered forwarding state [ 14.748003][ T39] br2: port 1(w1) entered blocking state [ 14.748185][ T39] br2: port 1(w1) entered forwarding state [ 27.194345][ T531] GACT probability NOT on [ 50.841655][ T1771] veth3: entered promiscuous mode [ 68.132682][ T2698] veth3: left promiscuous mode [ 68.286293][ T2704] veth3: entered promiscuous mode [ 85.412149][ T3631] veth3: left promiscuous mode [ 85.695110][ T3649] vx20: left allmulticast mode [ 85.695318][ T3649] vx20: left promiscuous mode [ 85.696301][ T3649] br1: port 2(vx20) entered disabled state [ 85.724441][ T3650] vx10: left allmulticast mode [ 85.725365][ T3650] vx10: left promiscuous mode [ 85.725645][ T3650] br1: port 1(vx10) entered disabled state [ 90.827068][ T3655] br1: port 1(vx10) entered blocking state [ 90.827321][ T3655] br1: port 1(vx10) entered disabled state [ 90.827582][ T3655] vx10: entered allmulticast mode [ 90.829040][ T3655] vx10: entered promiscuous mode [ 90.829427][ T3655] br1: port 1(vx10) entered blocking state [ 90.829647][ T3655] br1: port 1(vx10) entered forwarding state [ 90.875596][ T3657] br1: port 2(vx20) entered blocking state [ 90.875816][ T3657] br1: port 2(vx20) entered disabled state [ 90.876050][ T3657] vx20: entered allmulticast mode [ 90.878002][ T3657] vx20: entered promiscuous mode [ 90.878379][ T3657] br1: port 2(vx20) entered blocking state [ 90.878595][ T3657] br1: port 2(vx20) entered forwarding state [ 125.117222][ T4953] veth3: entered promiscuous mode [ 142.329823][ T5880] veth3: left promiscuous mode [ 142.481619][ T5886] veth3: entered promiscuous mode [ 159.777591][ T6813] veth3: left promiscuous mode [ 160.168666][ T6836] vx20: left allmulticast mode [ 160.168837][ T6836] vx20: left promiscuous mode [ 160.169047][ T6836] br1: port 2(vx20) entered disabled state [ 160.196800][ T6837] vx10: left allmulticast mode [ 160.196956][ T6837] vx10: left promiscuous mode [ 160.197167][ T6837] br1: port 1(vx10) entered disabled state [ 165.301560][ T6842] br1: port 1(vx10) entered blocking state [ 165.301763][ T6842] br1: port 1(vx10) entered disabled state [ 165.301952][ T6842] vx10: entered allmulticast mode [ 165.304159][ T6842] vx10: entered promiscuous mode [ 165.304501][ T6842] br1: port 1(vx10) entered blocking state [ 165.304665][ T6842] br1: port 1(vx10) entered forwarding state [ 165.358445][ T6844] br1: port 2(vx20) entered blocking state [ 165.358960][ T6844] br1: port 2(vx20) entered disabled state [ 165.359146][ T6844] vx20: entered allmulticast mode [ 165.360632][ T6844] vx20: entered promiscuous mode [ 165.360969][ T6844] br1: port 2(vx20) entered blocking state [ 165.361127][ T6844] br1: port 2(vx20) entered forwarding state [ 361.228060][T10120] vx20: left allmulticast mode [ 361.228282][T10120] vx20: left promiscuous mode [ 361.229272][T10120] br1: port 2(vx20) entered disabled state [ 361.248700][T10121] vx10: left allmulticast mode [ 361.248845][T10121] vx10: left promiscuous mode [ 361.249051][T10121] br1: port 1(vx10) entered disabled state [ 366.354640][T10126] br1: port 1(vx10) entered blocking state [ 366.354895][T10126] br1: port 1(vx10) entered disabled state [ 366.355136][T10126] vx10: entered allmulticast mode [ 366.357174][T10126] vx10: entered promiscuous mode [ 366.357584][T10126] br1: port 1(vx10) entered blocking state [ 366.357796][T10126] br1: port 1(vx10) entered forwarding state [ 366.411501][T10128] br1: port 2(vx20) entered blocking state [ 366.411699][T10128] br1: port 2(vx20) entered disabled state [ 366.411885][T10128] vx20: entered allmulticast mode [ 366.413280][T10128] vx20: entered promiscuous mode [ 366.414422][T10128] br1: port 2(vx20) entered blocking state [ 366.414595][T10128] br1: port 2(vx20) entered forwarding state [ 405.722568][ T12] vx20: left allmulticast mode [ 405.722812][ T12] vx20: left promiscuous mode [ 405.723068][ T12] br2: port 3(vx20) entered disabled state [ 405.727849][ T12] vx10: left allmulticast mode [ 405.728029][ T12] vx10: left promiscuous mode [ 405.728255][ T12] br2: port 2(vx10) entered disabled state [ 405.729972][ T12] w1: left allmulticast mode [ 405.730125][ T12] w1: left promiscuous mode [ 405.730325][ T12] br2: port 1(w1) entered disabled state [ 405.840654][ T12] vx20: left allmulticast mode [ 405.840836][ T12] vx20: left promiscuous mode [ 405.841057][ T12] br2: port 3(vx20) entered disabled state [ 405.842610][ T12] vx10: left allmulticast mode [ 405.842771][ T12] vx10: left promiscuous mode [ 405.842973][ T12] br2: port 2(vx10) entered disabled state [ 405.844417][ T12] w1: left allmulticast mode [ 405.844608][ T12] w1: left promiscuous mode [ 405.844812][ T12] br2: port 1(w1) entered disabled state [ 405.958735][T12014] [ 405.958822][T12014] ======================================================== [ 405.958958][T12014] WARNING: possible irq lock inversion dependency detected [ 405.959082][T12014] 7.1.0-rc5-virtme #1 Not tainted [ 405.959169][T12014] -------------------------------------------------------- [ 405.959295][T12014] ip/12014 just changed the state of lock: [ 405.959399][T12014] ffffffff9c97e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 405.959564][T12014] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 405.959695][T12014] (&ndev->lock){++--}-{3:3} [ 405.959697][T12014] [ 405.959697][T12014] [ 405.959697][T12014] and interrupts could create inverse lock ordering between them. [ 405.959697][T12014] [ 405.960016][T12014] [ 405.960016][T12014] other info that might help us debug this: [ 405.960139][T12014] Possible interrupt unsafe locking scenario: [ 405.960139][T12014] [ 405.960267][T12014] CPU0 CPU1 [ 405.960351][T12014] ---- ---- [ 405.960433][T12014] lock(acaddr_hash_lock); [ 405.960518][T12014] local_irq_disable(); [ 405.960625][T12014] lock(&ndev->lock); [ 405.960733][T12014] lock(acaddr_hash_lock); [ 405.960846][T12014] [ 405.960911][T12014] lock(&ndev->lock); [ 405.960976][T12014] [ 405.960976][T12014] *** DEADLOCK *** [ 405.960976][T12014] [ 405.961104][T12014] 1 lock held by ip/12014: [ 405.961189][T12014] #0: ffffffff9c88c9c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0xef0 [ 405.961348][T12014] [ 405.961348][T12014] the shortest dependencies between 2nd lock and 1st lock: [ 405.961499][T12014] -> (&ndev->lock){++--}-{3:3} { [ 405.961587][T12014] HARDIRQ-ON-W at: [ 405.961652][T12014] __lock_acquire+0x378/0xc10 [ 405.961769][T12014] lock_acquire.part.0+0xbc/0x260 [ 405.961877][T12014] _raw_write_lock_bh+0x38/0x50 [ 405.961987][T12014] addrconf_permanent_addr+0x108/0x9c0 [ 405.962112][T12014] addrconf_notify+0x151/0xf30 [ 405.962217][T12014] notifier_call_chain+0xb0/0x320 [ 405.962323][T12014] __dev_notify_flags+0xde/0x280 [ 405.962430][T12014] netif_change_flags+0xfe/0x190 [ 405.962535][T12014] do_setlink.isra.0+0x1cc3/0x2750 [ 405.962642][T12014] rtnl_newlink+0x8d1/0xef0 [ 405.962752][T12014] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 405.962857][T12014] netlink_rcv_skb+0x14e/0x3a0 [ 405.962963][T12014] netlink_unicast+0x486/0x750 [ 405.963070][T12014] netlink_sendmsg+0x735/0xc60 [ 405.963175][T12014] ____sys_sendmsg+0x419/0x850 [ 405.963333][T12014] ___sys_sendmsg+0x14e/0x1d0 [ 405.963490][T12014] __sys_sendmsg+0x145/0x1f0 [ 405.963623][T12014] do_syscall_64+0x117/0x590 [ 405.963770][T12014] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 405.963906][T12014] HARDIRQ-ON-R at: [ 405.963971][T12014] __lock_acquire+0x378/0xc10 [ 405.964075][T12014] lock_acquire.part.0+0xbc/0x260 [ 405.964181][T12014] _raw_read_lock_bh+0x44/0x80 [ 405.964288][T12014] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 405.964416][T12014] inet6_fill_link_af+0x5c/0xe0 [ 405.964518][T12014] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 405.964642][T12014] rtnl_getlink+0x9c9/0xeb0 [ 405.964745][T12014] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 405.964855][T12014] netlink_rcv_skb+0x14e/0x3a0 [ 405.964962][T12014] netlink_unicast+0x486/0x750 [ 405.965071][T12014] netlink_sendmsg+0x735/0xc60 [ 405.965179][T12014] ____sys_sendmsg+0x419/0x850 [ 405.965287][T12014] ___sys_sendmsg+0x14e/0x1d0 [ 405.965398][T12014] __sys_sendmsg+0x145/0x1f0 [ 405.965509][T12014] do_syscall_64+0x117/0x590 [ 405.965619][T12014] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 405.965747][T12014] IN-SOFTIRQ-W at: [ 405.965813][T12014] __lock_acquire+0x378/0xc10 [ 405.965922][T12014] lock_acquire.part.0+0xbc/0x260 [ 405.966026][T12014] _raw_write_lock+0x33/0x40 [ 405.966132][T12014] addrconf_rs_timer+0xb0/0x770 [ 405.966239][T12014] call_timer_fn+0x163/0x4f0 [ 405.966345][T12014] __run_timers+0x68f/0xab0 [ 405.966450][T12014] run_timer_softirq+0xf0/0x160 [ 405.966555][T12014] handle_softirqs+0x1d8/0x940 [ 405.966659][T12014] __irq_exit_rcu+0x103/0x1c0 [ 405.966767][T12014] irq_exit_rcu+0xe/0x30 [ 405.966871][T12014] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 405.966998][T12014] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 405.967124][T12014] pv_native_safe_halt+0xf/0x10 [ 405.967232][T12014] default_idle+0x9/0x10 [ 405.967342][T12014] default_idle_call+0x6e/0xb0 [ 405.967445][T12014] cpuidle_idle_call.constprop.0+0x237/0x410 [ 405.967571][T12014] do_idle+0xf5/0x160 [ 405.967674][T12014] cpu_startup_entry+0x53/0x70 [ 405.967783][T12014] rest_init+0x1f7/0x200 [ 405.967887][T12014] start_kernel+0x3ad/0x3b0 [ 405.967997][T12014] x86_64_start_reservations+0x24/0x30 [ 405.968121][T12014] x86_64_start_kernel+0x12b/0x130 [ 405.968225][T12014] common_startup_64+0x13e/0x148 [ 405.968336][T12014] IN-SOFTIRQ-R at: [ 405.968399][T12014] __lock_acquire+0x378/0xc10 [ 405.968506][T12014] lock_acquire.part.0+0xbc/0x260 [ 405.968610][T12014] _raw_read_lock_bh+0x44/0x80 [ 405.968713][T12014] ipv6_get_lladdr+0xa8/0x3f0 [ 405.968823][T12014] addrconf_rs_timer+0x251/0x770 [ 405.968932][T12014] call_timer_fn+0x163/0x4f0 [ 405.969040][T12014] __run_timers+0x68f/0xab0 [ 405.969145][T12014] run_timer_softirq+0xf0/0x160 [ 405.969249][T12014] handle_softirqs+0x1d8/0x940 [ 405.969353][T12014] __irq_exit_rcu+0x103/0x1c0 [ 405.969462][T12014] irq_exit_rcu+0xe/0x30 [ 405.969566][T12014] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 405.969692][T12014] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 405.969821][T12014] pv_native_safe_halt+0xf/0x10 [ 405.969925][T12014] default_idle+0x9/0x10 [ 405.970032][T12014] default_idle_call+0x6e/0xb0 [ 405.970137][T12014] cpuidle_idle_call.constprop.0+0x237/0x410 [ 405.970261][T12014] do_idle+0xf5/0x160 [ 405.970366][T12014] cpu_startup_entry+0x53/0x70 [ 405.970470][T12014] rest_init+0x1f7/0x200 [ 405.970575][T12014] start_kernel+0x3ad/0x3b0 [ 405.970681][T12014] x86_64_start_reservations+0x24/0x30 [ 405.970808][T12014] x86_64_start_kernel+0x12b/0x130 [ 405.970913][T12014] common_startup_64+0x13e/0x148 [ 405.971017][T12014] INITIAL USE at: [ 405.971078][T12014] __lock_acquire+0x378/0xc10 [ 405.971183][T12014] lock_acquire.part.0+0xbc/0x260 [ 405.971287][T12014] _raw_write_lock_bh+0x38/0x50 [ 405.971391][T12014] addrconf_permanent_addr+0x108/0x9c0 [ 405.971516][T12014] addrconf_notify+0x151/0xf30 [ 405.971620][T12014] notifier_call_chain+0xb0/0x320 [ 405.971725][T12014] __dev_notify_flags+0xde/0x280 [ 405.971834][T12014] netif_change_flags+0xfe/0x190 [ 405.971938][T12014] do_setlink.isra.0+0x1cc3/0x2750 [ 405.972041][T12014] rtnl_newlink+0x8d1/0xef0 [ 405.972145][T12014] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 405.972249][T12014] netlink_rcv_skb+0x14e/0x3a0 [ 405.972355][T12014] netlink_unicast+0x486/0x750 [ 405.972459][T12014] netlink_sendmsg+0x735/0xc60 [ 405.972615][T12014] ____sys_sendmsg+0x419/0x850 [ 405.972770][T12014] ___sys_sendmsg+0x14e/0x1d0 [ 405.972925][T12014] __sys_sendmsg+0x145/0x1f0 [ 405.973063][T12014] do_syscall_64+0x117/0x590 [ 405.973219][T12014] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 405.973375][T12014] INITIAL READ USE at: [ 405.973459][T12014] __lock_acquire+0x378/0xc10 [ 405.973569][T12014] lock_acquire.part.0+0xbc/0x260 [ 405.973694][T12014] _raw_read_lock_bh+0x44/0x80 [ 405.973810][T12014] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 405.973936][T12014] inet6_fill_link_af+0x5c/0xe0 [ 405.974041][T12014] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 405.974169][T12014] rtnl_getlink+0x9c9/0xeb0 [ 405.974273][T12014] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 405.974409][T12014] netlink_rcv_skb+0x14e/0x3a0 [ 405.974536][T12014] netlink_unicast+0x486/0x750 [ 405.974644][T12014] netlink_sendmsg+0x735/0xc60 [ 405.974747][T12014] ____sys_sendmsg+0x419/0x850 [ 405.974880][T12014] ___sys_sendmsg+0x14e/0x1d0 [ 405.975016][T12014] __sys_sendmsg+0x145/0x1f0 [ 405.975121][T12014] do_syscall_64+0x117/0x590 [ 405.975226][T12014] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 405.975350][T12014] } [ 405.975393][T12014] ... key at: [] __key.37+0x0/0x40 [ 405.975522][T12014] ... acquired at: [ 405.975584][T12014] __lock_acquire+0x508/0xc10 [ 405.975669][T12014] lock_acquire.part.0+0xbc/0x260 [ 405.975753][T12014] _raw_spin_lock+0x33/0x40 [ 405.975837][T12014] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 405.975941][T12014] __ipv6_dev_ac_inc+0x57e/0x930 [ 405.976027][T12014] addrconf_join_anycast+0x1bc/0x260 [ 405.976111][T12014] __ipv6_ifa_notify+0x75b/0xad0 [ 405.976194][T12014] addrconf_dad_completed+0x14b/0xe10 [ 405.976277][T12014] addrconf_dad_work+0x3c1/0x930 [ 405.976374][T12014] process_one_work+0xdf8/0x1410 [ 405.976473][T12014] worker_thread+0x4f1/0xd60 [ 405.976561][T12014] kthread+0x367/0x460 [ 405.976639][T12014] ret_from_fork+0x474/0x6b0 [ 405.976755][T12014] ret_from_fork_asm+0x11/0x20 [ 405.976863][T12014] [ 405.976924][T12014] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 405.977038][T12014] HARDIRQ-ON-W at: [ 405.977125][T12014] __lock_acquire+0x378/0xc10 [ 405.977267][T12014] lock_acquire.part.0+0xbc/0x260 [ 405.977415][T12014] _raw_spin_lock+0x33/0x40 [ 405.977553][T12014] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 405.977681][T12014] __ipv6_dev_ac_inc+0x57e/0x930 [ 405.977815][T12014] addrconf_join_anycast+0x1bc/0x260 [ 405.977974][T12014] __ipv6_ifa_notify+0x75b/0xad0 [ 405.978108][T12014] addrconf_dad_completed+0x14b/0xe10 [ 405.978218][T12014] addrconf_dad_work+0x3c1/0x930 [ 405.978352][T12014] process_one_work+0xdf8/0x1410 [ 405.978488][T12014] worker_thread+0x4f1/0xd60 [ 405.978637][T12014] kthread+0x367/0x460 [ 405.978737][T12014] ret_from_fork+0x474/0x6b0 [ 405.978850][T12014] ret_from_fork_asm+0x11/0x20 [ 405.978986][T12014] SOFTIRQ-ON-W at: [ 405.979053][T12014] __lock_acquire+0x378/0xc10 [ 405.979203][T12014] lock_acquire.part.0+0xbc/0x260 [ 405.979338][T12014] _raw_spin_lock+0x33/0x40 [ 405.979446][T12014] __ipv6_dev_ac_dec+0x236/0x5d0 [ 405.979577][T12014] addrconf_leave_anycast+0x1bc/0x260 [ 405.979726][T12014] __ipv6_ifa_notify+0x6b4/0xad0 [ 405.979879][T12014] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 405.979990][T12014] addrconf_notify+0x2c8/0xf30 [ 405.980125][T12014] notifier_call_chain+0xb0/0x320 [ 405.980260][T12014] __dev_notify_flags+0x165/0x280 [ 405.980394][T12014] netif_change_flags+0xfe/0x190 [ 405.980503][T12014] do_setlink.isra.0+0x1cc3/0x2750 [ 405.980636][T12014] rtnl_newlink+0x8d1/0xef0 [ 405.980774][T12014] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 405.980920][T12014] netlink_rcv_skb+0x14e/0x3a0 [ 405.981044][T12014] netlink_unicast+0x486/0x750 [ 405.981151][T12014] netlink_sendmsg+0x735/0xc60 [ 405.981284][T12014] ____sys_sendmsg+0x419/0x850 [ 405.981440][T12014] ___sys_sendmsg+0x14e/0x1d0 [ 405.981575][T12014] __sys_sendmsg+0x145/0x1f0 [ 405.981683][T12014] do_syscall_64+0x117/0x590 [ 405.981819][T12014] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 405.981998][T12014] INITIAL USE at: [ 405.982078][T12014] __lock_acquire+0x378/0xc10 [ 405.982199][T12014] lock_acquire.part.0+0xbc/0x260 [ 405.982331][T12014] _raw_spin_lock+0x33/0x40 [ 405.982442][T12014] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 405.982574][T12014] __ipv6_dev_ac_inc+0x57e/0x930 [ 405.982680][T12014] addrconf_join_anycast+0x1bc/0x260 [ 405.982788][T12014] __ipv6_ifa_notify+0x75b/0xad0 [ 405.982896][T12014] addrconf_dad_completed+0x14b/0xe10 [ 405.983006][T12014] addrconf_dad_work+0x3c1/0x930 [ 405.983143][T12014] process_one_work+0xdf8/0x1410 [ 405.983252][T12014] worker_thread+0x4f1/0xd60 [ 405.983362][T12014] kthread+0x367/0x460 [ 405.983474][T12014] ret_from_fork+0x474/0x6b0 [ 405.983583][T12014] ret_from_fork_asm+0x11/0x20 [ 405.983691][T12014] } [ 405.983733][T12014] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 405.983867][T12014] ... acquired at: [ 405.983929][T12014] mark_lock+0x1d7/0xa00 [ 405.984016][T12014] mark_usage+0x105/0x170 [ 405.984100][T12014] __lock_acquire+0x378/0xc10 [ 405.984183][T12014] lock_acquire.part.0+0xbc/0x260 [ 405.984264][T12014] _raw_spin_lock+0x33/0x40 [ 405.984351][T12014] __ipv6_dev_ac_dec+0x236/0x5d0 [ 405.984435][T12014] addrconf_leave_anycast+0x1bc/0x260 [ 405.984518][T12014] __ipv6_ifa_notify+0x6b4/0xad0 [ 405.984603][T12014] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 405.984690][T12014] addrconf_notify+0x2c8/0xf30 [ 405.984781][T12014] notifier_call_chain+0xb0/0x320 [ 405.984863][T12014] __dev_notify_flags+0x165/0x280 [ 405.984949][T12014] netif_change_flags+0xfe/0x190 [ 405.985032][T12014] do_setlink.isra.0+0x1cc3/0x2750 [ 405.985113][T12014] rtnl_newlink+0x8d1/0xef0 [ 405.985199][T12014] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 405.985286][T12014] netlink_rcv_skb+0x14e/0x3a0 [ 405.985368][T12014] netlink_unicast+0x486/0x750 [ 405.985452][T12014] netlink_sendmsg+0x735/0xc60 [ 405.985537][T12014] ____sys_sendmsg+0x419/0x850 [ 405.985622][T12014] ___sys_sendmsg+0x14e/0x1d0 [ 405.985709][T12014] __sys_sendmsg+0x145/0x1f0 [ 405.985795][T12014] do_syscall_64+0x117/0x590 [ 405.985882][T12014] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 405.985987][T12014] [ 405.986028][T12014] [ 405.986028][T12014] stack backtrace: [ 405.986133][T12014] CPU: 3 UID: 0 PID: 12014 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 405.986135][T12014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 405.986137][T12014] Call Trace: [ 405.986139][T12014] [ 405.986140][T12014] dump_stack_lvl+0x6f/0xa0 [ 405.986144][T12014] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 405.986147][T12014] mark_lock_irq+0x989/0x9c0 [ 405.986150][T12014] mark_lock+0x1d7/0xa00 [ 405.986152][T12014] mark_usage+0x105/0x170 [ 405.986153][T12014] __lock_acquire+0x378/0xc10 [ 405.986155][T12014] lock_acquire.part.0+0xbc/0x260 [ 405.986157][T12014] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 405.986158][T12014] ? rcu_is_watching+0x15/0xd0 [ 405.986161][T12014] ? do_raw_read_unlock+0x70/0x70 [ 405.986163][T12014] ? lock_acquire+0x134/0x160 [ 405.986164][T12014] _raw_spin_lock+0x33/0x40 [ 405.986166][T12014] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 405.986167][T12014] __ipv6_dev_ac_dec+0x236/0x5d0 [ 405.986169][T12014] addrconf_leave_anycast+0x1bc/0x260 [ 405.986171][T12014] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 405.986173][T12014] ? __ipv6_isatap_ifid+0x210/0x210 [ 405.986175][T12014] ? nlmsg_notify+0x62/0x250 [ 405.986177][T12014] __ipv6_ifa_notify+0x6b4/0xad0 [ 405.986179][T12014] ? cleanup_prefix_route+0x550/0x550 [ 405.986181][T12014] ? find_held_lock+0x2b/0x80 [ 405.986183][T12014] ? __lock_release.isra.0+0x6b/0x1a0 [ 405.986185][T12014] ? __rwlock_init+0x150/0x150 [ 405.986186][T12014] ? mark_held_locks+0x40/0x70 [ 405.986188][T12014] ? addrconf_ifdown.isra.0+0xa70/0x15f0 [ 405.986189][T12014] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 405.986192][T12014] ? addrconf_dad_run+0x1b0/0x1b0 [ 405.986194][T12014] ? neigh_flush_one+0x580/0x580 [ 405.986196][T12014] ? mark_held_locks+0x40/0x70 [ 405.986198][T12014] addrconf_notify+0x2c8/0xf30 [ 405.986200][T12014] ? team_port_get_rtnl+0x65/0xc0 [ 405.986203][T12014] notifier_call_chain+0xb0/0x320 [ 405.986205][T12014] __dev_notify_flags+0x165/0x280 [ 405.986207][T12014] ? netif_change_name+0x8c0/0x8c0 [ 405.986208][T12014] ? netif_set_allmulti+0x250/0x250 [ 405.986210][T12014] ? is_bpf_text_address+0x68/0x110 [ 405.986214][T12014] netif_change_flags+0xfe/0x190 [ 405.986215][T12014] do_setlink.isra.0+0x1cc3/0x2750 [ 405.986218][T12014] ? rtnl_link_get_size+0x350/0x350 [ 405.986220][T12014] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 405.986222][T12014] ? rcu_read_lock_any_held+0x3c/0x90 [ 405.986223][T12014] ? validate_chain+0x38b/0xc20 [ 405.986225][T12014] ? rcu_read_lock_any_held+0x66/0x90 [ 405.986226][T12014] ? stack_depot_save_flags+0x367/0x770 [ 405.986229][T12014] ? __kernel_text_address+0x12/0x30 [ 405.986231][T12014] ? __lock_acquire+0x508/0xc10 [ 405.986233][T12014] ? lock_acquire.part.0+0xbc/0x260 [ 405.986234][T12014] ? rtnl_newlink+0x883/0xef0 [ 405.986236][T12014] ? rcu_is_watching+0x15/0xd0 [ 405.986237][T12014] ? lock_acquire+0x134/0x160 [ 405.986239][T12014] ? rcu_is_watching+0x15/0xd0 [ 405.986240][T12014] ? rcu_is_watching+0x15/0xd0 [ 405.986242][T12014] ? trace_contention_end+0xb3/0x1a0 [ 405.986244][T12014] ? __mutex_lock+0x1db/0x2010 [ 405.986245][T12014] ? __mutex_lock+0x9b2/0x2010 [ 405.986247][T12014] ? rtnl_newlink+0x883/0xef0 [ 405.986249][T12014] ? ww_mutex_lock+0x160/0x160 [ 405.986251][T12014] ? __rtnl_newlink+0x3fa/0xa50 [ 405.986253][T12014] rtnl_newlink+0x8d1/0xef0 [ 405.986255][T12014] ? lock_acquire.part.0+0xbc/0x260 [ 405.986256][T12014] ? find_held_lock+0x2b/0x80 [ 405.986258][T12014] ? __rtnl_newlink+0xa50/0xa50 [ 405.986259][T12014] ? mark_usage+0x61/0x170 [ 405.986260][T12014] ? __lock_release.isra.0+0x6b/0x1a0 [ 405.986262][T12014] ? lock_acquire.part.0+0xbc/0x260 [ 405.986263][T12014] ? find_held_lock+0x2b/0x80 [ 405.986265][T12014] ? __rtnl_newlink+0xa50/0xa50 [ 405.986266][T12014] ? __lock_release.isra.0+0x6b/0x1a0 [ 405.986268][T12014] ? __rtnl_newlink+0xa50/0xa50 [ 405.986270][T12014] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 405.986271][T12014] ? validate_chain+0x38b/0xc20 [ 405.986272][T12014] ? rtnl_link_fill+0x920/0x920 [ 405.986274][T12014] ? __lock_acquire+0x508/0xc10 [ 405.986276][T12014] ? lock_acquire.part.0+0xbc/0x260 [ 405.986277][T12014] ? find_held_lock+0x2b/0x80 [ 405.986279][T12014] netlink_rcv_skb+0x14e/0x3a0 [ 405.986281][T12014] ? rtnl_link_fill+0x920/0x920 [ 405.986282][T12014] ? netlink_ack+0xcf0/0xcf0 [ 405.986285][T12014] ? netlink_deliver_tap+0xc5/0x330 [ 405.986286][T12014] ? netlink_deliver_tap+0x13c/0x330 [ 405.986288][T12014] netlink_unicast+0x486/0x750 [ 405.986290][T12014] ? netlink_attachskb+0x810/0x810 [ 405.986292][T12014] ? __lock_acquire+0x508/0xc10 [ 405.986294][T12014] netlink_sendmsg+0x735/0xc60 [ 405.986296][T12014] ? netlink_unicast+0x750/0x750 [ 405.986298][T12014] ? __might_fault+0x97/0x140 [ 405.986301][T12014] ____sys_sendmsg+0x419/0x850 [ 405.986303][T12014] ? copy_msghdr_from_user+0x2a0/0x460 [ 405.986305][T12014] ? get_timestamp.constprop.0+0x390/0x390 [ 405.986306][T12014] ? move_addr_to_kernel+0x40/0x40 [ 405.986308][T12014] ? stack_depot_save_flags+0x367/0x770 [ 405.986310][T12014] ? validate_chain+0x38b/0xc20 [ 405.986312][T12014] ___sys_sendmsg+0x14e/0x1d0 [ 405.986313][T12014] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 405.986315][T12014] ? copy_msghdr_from_user+0x460/0x460 [ 405.986321][T12014] __sys_sendmsg+0x145/0x1f0 [ 405.986322][T12014] ? __sys_sendmsg_sock+0x20/0x20 [ 405.986323][T12014] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 405.986325][T12014] ? do_raw_spin_unlock+0x59/0x250 [ 405.986327][T12014] ? rcu_is_watching+0x15/0xd0 [ 405.986329][T12014] do_syscall_64+0x117/0x590 [ 405.986330][T12014] ? trace_hardirqs_off+0xd/0x30 [ 405.986333][T12014] ? exc_page_fault+0xee/0x100 [ 405.986335][T12014] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 405.986336][T12014] RIP: 0033:0x7f62e924a08e [ 405.986339][T12014] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 405.986341][T12014] RSP: 002b:00007ffef1353e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 405.986344][T12014] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f62e924a08e [ 405.986345][T12014] RDX: 0000000000000000 RSI: 00007ffef1353f10 RDI: 0000000000000005 [ 405.986346][T12014] RBP: 00007ffef1353e70 R08: 0000000000000000 R09: 0000000000000000 [ 405.986347][T12014] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a1988d8 [ 405.986348][T12014] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef13545d0 [ 405.986350][T12014] [ 406.006008][T12014] ip (12014) used greatest stack depth: 23592 bytes left [ 406.334260][T12034] br1: port 4(veth2) entered disabled state [ 406.346782][T12035] veth2: left allmulticast mode [ 406.346954][T12035] veth2: left promiscuous mode [ 406.347148][T12035] br1: port 4(veth2) entered disabled state [ 406.400537][T12038] br1: port 3(veth1) entered disabled state [ 406.413922][T12039] veth1: left allmulticast mode [ 406.414030][T12039] veth1: left promiscuous mode [ 406.414170][T12039] br1: port 3(veth1) entered disabled state [ 406.442162][T12041] vx20: left allmulticast mode [ 406.442281][T12041] vx20: left promiscuous mode [ 406.442419][T12041] br1: port 2(vx20) entered disabled state [ 406.509451][T12045] vx10: left allmulticast mode [ 406.509565][T12045] vx10: left promiscuous mode [ 406.509697][T12045] br1: port 1(vx10) entered disabled state