[ 9.194021][ T197] modprobe (197) used greatest stack depth: 24072 bytes left [ 10.824752][ T257] br1: port 1(vx1) entered blocking state [ 10.824979][ T257] br1: port 1(vx1) entered disabled state [ 10.825125][ T257] vx1: entered allmulticast mode [ 10.826575][ T257] vx1: entered promiscuous mode [ 10.827192][ T257] br1: port 1(vx1) entered blocking state [ 10.827446][ T257] br1: port 1(vx1) entered forwarding state [ 10.854936][ T258] br1: port 2(veth1) entered blocking state [ 10.855139][ T258] br1: port 2(veth1) entered disabled state [ 10.855323][ T258] veth1: entered allmulticast mode [ 10.856845][ T258] veth1: entered promiscuous mode [ 10.885101][ T37] br1: port 2(veth1) entered blocking state [ 10.885408][ T37] br1: port 2(veth1) entered forwarding state [ 10.912743][ T260] br1: port 3(veth2) entered blocking state [ 10.912953][ T260] br1: port 3(veth2) entered disabled state [ 10.913140][ T260] veth2: entered allmulticast mode [ 10.914656][ T260] veth2: entered promiscuous mode [ 10.956030][ T38] br1: port 3(veth2) entered blocking state [ 10.956410][ T38] br1: port 3(veth2) entered forwarding state [ 11.992703][ T306] br2: port 1(w1) entered blocking state [ 11.992887][ T306] br2: port 1(w1) entered disabled state [ 11.993037][ T306] w1: entered allmulticast mode [ 11.994981][ T306] w1: entered promiscuous mode [ 12.149632][ T312] br2: port 2(vx2) entered blocking state [ 12.149864][ T312] br2: port 2(vx2) entered disabled state [ 12.150073][ T312] vx2: entered allmulticast mode [ 12.151588][ T312] vx2: entered promiscuous mode [ 12.152205][ T312] br2: port 2(vx2) entered blocking state [ 12.152400][ T312] br2: port 2(vx2) entered forwarding state [ 12.343222][ T38] br2: port 1(w1) entered blocking state [ 12.343546][ T38] br2: port 1(w1) entered forwarding state [ 12.887594][ T343] br2: port 1(w1) entered blocking state [ 12.887775][ T343] br2: port 1(w1) entered disabled state [ 12.887920][ T343] w1: entered allmulticast mode [ 12.889277][ T343] w1: entered promiscuous mode [ 13.064250][ T349] br2: port 2(vx2) entered blocking state [ 13.064891][ T349] br2: port 2(vx2) entered disabled state [ 13.065097][ T349] vx2: entered allmulticast mode [ 13.066564][ T349] vx2: entered promiscuous mode [ 13.067798][ T349] br2: port 2(vx2) entered blocking state [ 13.067980][ T349] br2: port 2(vx2) entered forwarding state [ 13.270239][ T46] br2: port 1(w1) entered blocking state [ 13.270449][ T46] br2: port 1(w1) entered forwarding state [ 22.352662][ T12] vx2: left allmulticast mode [ 22.352876][ T12] vx2: left promiscuous mode [ 22.353107][ T12] br2: port 2(vx2) entered disabled state [ 22.358073][ T12] w1: left allmulticast mode [ 22.358250][ T12] w1: left promiscuous mode [ 22.358462][ T12] br2: port 1(w1) entered disabled state [ 22.470965][ T12] vx2: left allmulticast mode [ 22.471138][ T12] vx2: left promiscuous mode [ 22.471388][ T12] br2: port 2(vx2) entered disabled state [ 22.476246][ T12] w1: left allmulticast mode [ 22.476537][ T12] w1: left promiscuous mode [ 22.476842][ T12] br2: port 1(w1) entered disabled state [ 22.571698][ T455] [ 22.571778][ T455] ======================================================== [ 22.571913][ T455] WARNING: possible irq lock inversion dependency detected [ 22.572040][ T455] 7.1.0-rc5-virtme #1 Not tainted [ 22.572124][ T455] -------------------------------------------------------- [ 22.572254][ T455] ip/455 just changed the state of lock: [ 22.572347][ T455] ffffffff9957e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 22.572508][ T455] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 22.572633][ T455] (&ndev->lock){++--}-{3:3} [ 22.572635][ T455] [ 22.572635][ T455] [ 22.572635][ T455] and interrupts could create inverse lock ordering between them. [ 22.572635][ T455] [ 22.572940][ T455] [ 22.572940][ T455] other info that might help us debug this: [ 22.573063][ T455] Possible interrupt unsafe locking scenario: [ 22.573063][ T455] [ 22.573191][ T455] CPU0 CPU1 [ 22.573274][ T455] ---- ---- [ 22.573360][ T455] lock(acaddr_hash_lock); [ 22.573447][ T455] local_irq_disable(); [ 22.573551][ T455] lock(&ndev->lock); [ 22.573657][ T455] lock(acaddr_hash_lock); [ 22.573763][ T455] [ 22.573827][ T455] lock(&ndev->lock); [ 22.573895][ T455] [ 22.573895][ T455] *** DEADLOCK *** [ 22.573895][ T455] [ 22.574019][ T455] 1 lock held by ip/455: [ 22.574084][ T455] #0: ffffffff9948c9c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0xef0 [ 22.574241][ T455] [ 22.574241][ T455] the shortest dependencies between 2nd lock and 1st lock: [ 22.574382][ T455] -> (&ndev->lock){++--}-{3:3} { [ 22.574473][ T455] HARDIRQ-ON-W at: [ 22.574538][ T455] __lock_acquire+0x378/0xc10 [ 22.574647][ T455] lock_acquire.part.0+0xbc/0x260 [ 22.574754][ T455] _raw_write_lock_bh+0x38/0x50 [ 22.574860][ T455] addrconf_permanent_addr+0x108/0x9c0 [ 22.574985][ T455] addrconf_notify+0x151/0xf30 [ 22.575093][ T455] notifier_call_chain+0xb0/0x320 [ 22.575202][ T455] __dev_notify_flags+0xde/0x280 [ 22.575306][ T455] netif_change_flags+0xfe/0x190 [ 22.575409][ T455] do_setlink.isra.0+0x1cc3/0x2750 [ 22.575526][ T455] rtnl_newlink+0x8d1/0xef0 [ 22.575633][ T455] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.575738][ T455] netlink_rcv_skb+0x14e/0x3a0 [ 22.575843][ T455] netlink_unicast+0x486/0x750 [ 22.575947][ T455] netlink_sendmsg+0x735/0xc60 [ 22.576051][ T455] ____sys_sendmsg+0x419/0x850 [ 22.576164][ T455] ___sys_sendmsg+0x14e/0x1d0 [ 22.576266][ T455] __sys_sendmsg+0x145/0x1f0 [ 22.576369][ T455] do_syscall_64+0x117/0x590 [ 22.576473][ T455] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.576596][ T455] HARDIRQ-ON-R at: [ 22.576660][ T455] __lock_acquire+0x378/0xc10 [ 22.576764][ T455] lock_acquire.part.0+0xbc/0x260 [ 22.576869][ T455] _raw_read_lock_bh+0x44/0x80 [ 22.576972][ T455] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 22.577097][ T455] inet6_fill_link_af+0x5c/0xe0 [ 22.577204][ T455] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 22.577330][ T455] rtnl_getlink+0x9c9/0xeb0 [ 22.577435][ T455] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.577539][ T455] netlink_rcv_skb+0x14e/0x3a0 [ 22.577641][ T455] netlink_unicast+0x486/0x750 [ 22.577745][ T455] netlink_sendmsg+0x735/0xc60 [ 22.577854][ T455] ____sys_sendmsg+0x419/0x850 [ 22.577957][ T455] ___sys_sendmsg+0x14e/0x1d0 [ 22.578060][ T455] __sys_sendmsg+0x145/0x1f0 [ 22.578169][ T455] do_syscall_64+0x117/0x590 [ 22.578274][ T455] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.578400][ T455] IN-SOFTIRQ-W at: [ 22.578493][ T455] __lock_acquire+0x378/0xc10 [ 22.578597][ T455] lock_acquire.part.0+0xbc/0x260 [ 22.578701][ T455] _raw_write_lock+0x33/0x40 [ 22.578806][ T455] addrconf_rs_timer+0xb0/0x770 [ 22.578910][ T455] call_timer_fn+0x163/0x4f0 [ 22.579018][ T455] __run_timers+0x68f/0xab0 [ 22.579124][ T455] run_timer_softirq+0xf0/0x160 [ 22.579230][ T455] handle_softirqs+0x1d8/0x940 [ 22.579335][ T455] __irq_exit_rcu+0x103/0x1c0 [ 22.579438][ T455] irq_exit_rcu+0xe/0x30 [ 22.579541][ T455] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 22.579668][ T455] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 22.579792][ T455] pv_native_safe_halt+0xf/0x10 [ 22.579895][ T455] default_idle+0x9/0x10 [ 22.580000][ T455] default_idle_call+0x6e/0xb0 [ 22.580104][ T455] cpuidle_idle_call.constprop.0+0x237/0x410 [ 22.580235][ T455] do_idle+0xf5/0x160 [ 22.580338][ T455] cpu_startup_entry+0x53/0x70 [ 22.580442][ T455] rest_init+0x1f7/0x200 [ 22.580544][ T455] start_kernel+0x3ad/0x3b0 [ 22.580651][ T455] x86_64_start_reservations+0x24/0x30 [ 22.580780][ T455] x86_64_start_kernel+0x12b/0x130 [ 22.580883][ T455] common_startup_64+0x13e/0x148 [ 22.580987][ T455] IN-SOFTIRQ-R at: [ 22.581050][ T455] __lock_acquire+0x378/0xc10 [ 22.581152][ T455] lock_acquire.part.0+0xbc/0x260 [ 22.581257][ T455] _raw_read_lock_bh+0x44/0x80 [ 22.581364][ T455] ipv6_get_lladdr+0xa8/0x3f0 [ 22.581467][ T455] addrconf_rs_timer+0x251/0x770 [ 22.581570][ T455] call_timer_fn+0x163/0x4f0 [ 22.581674][ T455] __run_timers+0x68f/0xab0 [ 22.581778][ T455] run_timer_softirq+0xf0/0x160 [ 22.581881][ T455] handle_softirqs+0x1d8/0x940 [ 22.581983][ T455] __irq_exit_rcu+0x103/0x1c0 [ 22.582086][ T455] irq_exit_rcu+0xe/0x30 [ 22.582194][ T455] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 22.582319][ T455] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 22.582446][ T455] pv_native_safe_halt+0xf/0x10 [ 22.582551][ T455] default_idle+0x9/0x10 [ 22.582655][ T455] default_idle_call+0x6e/0xb0 [ 22.582759][ T455] cpuidle_idle_call.constprop.0+0x237/0x410 [ 22.582880][ T455] do_idle+0xf5/0x160 [ 22.582984][ T455] cpu_startup_entry+0x53/0x70 [ 22.583091][ T455] rest_init+0x1f7/0x200 [ 22.583202][ T455] start_kernel+0x3ad/0x3b0 [ 22.583304][ T455] x86_64_start_reservations+0x24/0x30 [ 22.583430][ T455] x86_64_start_kernel+0x12b/0x130 [ 22.583533][ T455] common_startup_64+0x13e/0x148 [ 22.583638][ T455] INITIAL USE at: [ 22.583702][ T455] __lock_acquire+0x378/0xc10 [ 22.583807][ T455] lock_acquire.part.0+0xbc/0x260 [ 22.583910][ T455] _raw_write_lock_bh+0x38/0x50 [ 22.584015][ T455] addrconf_permanent_addr+0x108/0x9c0 [ 22.584138][ T455] addrconf_notify+0x151/0xf30 [ 22.584250][ T455] notifier_call_chain+0xb0/0x320 [ 22.584356][ T455] __dev_notify_flags+0xde/0x280 [ 22.584459][ T455] netif_change_flags+0xfe/0x190 [ 22.584563][ T455] do_setlink.isra.0+0x1cc3/0x2750 [ 22.584665][ T455] rtnl_newlink+0x8d1/0xef0 [ 22.584770][ T455] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.584874][ T455] netlink_rcv_skb+0x14e/0x3a0 [ 22.584977][ T455] netlink_unicast+0x486/0x750 [ 22.585080][ T455] netlink_sendmsg+0x735/0xc60 [ 22.585188][ T455] ____sys_sendmsg+0x419/0x850 [ 22.585293][ T455] ___sys_sendmsg+0x14e/0x1d0 [ 22.585397][ T455] __sys_sendmsg+0x145/0x1f0 [ 22.585499][ T455] do_syscall_64+0x117/0x590 [ 22.585600][ T455] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.585722][ T455] INITIAL READ USE at: [ 22.585802][ T455] __lock_acquire+0x378/0xc10 [ 22.585907][ T455] lock_acquire.part.0+0xbc/0x260 [ 22.586030][ T455] _raw_read_lock_bh+0x44/0x80 [ 22.586132][ T455] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 22.586260][ T455] inet6_fill_link_af+0x5c/0xe0 [ 22.586363][ T455] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 22.586491][ T455] rtnl_getlink+0x9c9/0xeb0 [ 22.586595][ T455] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.586698][ T455] netlink_rcv_skb+0x14e/0x3a0 [ 22.586801][ T455] netlink_unicast+0x486/0x750 [ 22.586902][ T455] netlink_sendmsg+0x735/0xc60 [ 22.587009][ T455] ____sys_sendmsg+0x419/0x850 [ 22.587114][ T455] ___sys_sendmsg+0x14e/0x1d0 [ 22.587222][ T455] __sys_sendmsg+0x145/0x1f0 [ 22.587325][ T455] do_syscall_64+0x117/0x590 [ 22.587427][ T455] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.587552][ T455] } [ 22.587595][ T455] ... key at: [] __key.37+0x0/0x40 [ 22.587722][ T455] ... acquired at: [ 22.587786][ T455] __lock_acquire+0x508/0xc10 [ 22.587869][ T455] lock_acquire.part.0+0xbc/0x260 [ 22.587951][ T455] _raw_spin_lock+0x33/0x40 [ 22.588036][ T455] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 22.588141][ T455] __ipv6_dev_ac_inc+0x57e/0x930 [ 22.588228][ T455] addrconf_join_anycast+0x1bc/0x260 [ 22.588310][ T455] __ipv6_ifa_notify+0x75b/0xad0 [ 22.588393][ T455] addrconf_dad_completed+0x14b/0xe10 [ 22.588475][ T455] addrconf_dad_work+0x3c1/0x930 [ 22.588556][ T455] process_one_work+0xdf8/0x1410 [ 22.588643][ T455] worker_thread+0x4f1/0xd60 [ 22.588724][ T455] kthread+0x367/0x460 [ 22.588786][ T455] ret_from_fork+0x474/0x6b0 [ 22.588870][ T455] ret_from_fork_asm+0x11/0x20 [ 22.588954][ T455] [ 22.588996][ T455] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 22.589081][ T455] HARDIRQ-ON-W at: [ 22.589144][ T455] __lock_acquire+0x378/0xc10 [ 22.589254][ T455] lock_acquire.part.0+0xbc/0x260 [ 22.589358][ T455] _raw_spin_lock+0x33/0x40 [ 22.589462][ T455] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 22.589585][ T455] __ipv6_dev_ac_inc+0x57e/0x930 [ 22.589689][ T455] addrconf_join_anycast+0x1bc/0x260 [ 22.589792][ T455] __ipv6_ifa_notify+0x75b/0xad0 [ 22.589895][ T455] addrconf_dad_completed+0x14b/0xe10 [ 22.589997][ T455] addrconf_dad_work+0x3c1/0x930 [ 22.590149][ T455] process_one_work+0xdf8/0x1410 [ 22.590257][ T455] worker_thread+0x4f1/0xd60 [ 22.590359][ T455] kthread+0x367/0x460 [ 22.590490][ T455] ret_from_fork+0x474/0x6b0 [ 22.590594][ T455] ret_from_fork_asm+0x11/0x20 [ 22.590695][ T455] SOFTIRQ-ON-W at: [ 22.590759][ T455] __lock_acquire+0x378/0xc10 [ 22.590908][ T455] lock_acquire.part.0+0xbc/0x260 [ 22.591011][ T455] _raw_spin_lock+0x33/0x40 [ 22.591117][ T455] __ipv6_dev_ac_dec+0x236/0x5d0 [ 22.591271][ T455] addrconf_leave_anycast+0x1bc/0x260 [ 22.591375][ T455] __ipv6_ifa_notify+0x6b4/0xad0 [ 22.591478][ T455] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 22.591627][ T455] addrconf_notify+0x2c8/0xf30 [ 22.591732][ T455] notifier_call_chain+0xb0/0x320 [ 22.591833][ T455] __dev_notify_flags+0x165/0x280 [ 22.591982][ T455] netif_change_flags+0xfe/0x190 [ 22.592085][ T455] do_setlink.isra.0+0x1cc3/0x2750 [ 22.592192][ T455] rtnl_newlink+0x8d1/0xef0 [ 22.592297][ T455] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.592448][ T455] netlink_rcv_skb+0x14e/0x3a0 [ 22.592553][ T455] netlink_unicast+0x486/0x750 [ 22.592659][ T455] netlink_sendmsg+0x735/0xc60 [ 22.592811][ T455] ____sys_sendmsg+0x419/0x850 [ 22.592917][ T455] ___sys_sendmsg+0x14e/0x1d0 [ 22.593024][ T455] __sys_sendmsg+0x145/0x1f0 [ 22.593180][ T455] do_syscall_64+0x117/0x590 [ 22.593284][ T455] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.593408][ T455] INITIAL USE at: [ 22.593519][ T455] __lock_acquire+0x378/0xc10 [ 22.593625][ T455] lock_acquire.part.0+0xbc/0x260 [ 22.593732][ T455] _raw_spin_lock+0x33/0x40 [ 22.593835][ T455] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 22.594008][ T455] __ipv6_dev_ac_inc+0x57e/0x930 [ 22.594113][ T455] addrconf_join_anycast+0x1bc/0x260 [ 22.594221][ T455] __ipv6_ifa_notify+0x75b/0xad0 [ 22.594374][ T455] addrconf_dad_completed+0x14b/0xe10 [ 22.594479][ T455] addrconf_dad_work+0x3c1/0x930 [ 22.594583][ T455] process_one_work+0xdf8/0x1410 [ 22.594733][ T455] worker_thread+0x4f1/0xd60 [ 22.594837][ T455] kthread+0x367/0x460 [ 22.594921][ T455] ret_from_fork+0x474/0x6b0 [ 22.595072][ T455] ret_from_fork_asm+0x11/0x20 [ 22.595179][ T455] } [ 22.595221][ T455] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 22.595346][ T455] ... acquired at: [ 22.595453][ T455] mark_lock+0x1d7/0xa00 [ 22.595539][ T455] mark_usage+0x105/0x170 [ 22.595620][ T455] __lock_acquire+0x378/0xc10 [ 22.595705][ T455] lock_acquire.part.0+0xbc/0x260 [ 22.595834][ T455] _raw_spin_lock+0x33/0x40 [ 22.595915][ T455] __ipv6_dev_ac_dec+0x236/0x5d0 [ 22.595996][ T455] addrconf_leave_anycast+0x1bc/0x260 [ 22.596079][ T455] __ipv6_ifa_notify+0x6b4/0xad0 [ 22.596214][ T455] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 22.596297][ T455] addrconf_notify+0x2c8/0xf30 [ 22.596382][ T455] notifier_call_chain+0xb0/0x320 [ 22.596466][ T455] __dev_notify_flags+0x165/0x280 [ 22.596594][ T455] netif_change_flags+0xfe/0x190 [ 22.596675][ T455] do_setlink.isra.0+0x1cc3/0x2750 [ 22.596757][ T455] rtnl_newlink+0x8d1/0xef0 [ 22.596838][ T455] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.596965][ T455] netlink_rcv_skb+0x14e/0x3a0 [ 22.597052][ T455] netlink_unicast+0x486/0x750 [ 22.597133][ T455] netlink_sendmsg+0x735/0xc60 [ 22.597220][ T455] ____sys_sendmsg+0x419/0x850 [ 22.597349][ T455] ___sys_sendmsg+0x14e/0x1d0 [ 22.597432][ T455] __sys_sendmsg+0x145/0x1f0 [ 22.597515][ T455] do_syscall_64+0x117/0x590 [ 22.597597][ T455] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.597746][ T455] [ 22.597793][ T455] [ 22.597793][ T455] stack backtrace: [ 22.597899][ T455] CPU: 2 UID: 0 PID: 455 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 22.597901][ T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.597904][ T455] Call Trace: [ 22.597906][ T455] [ 22.597907][ T455] dump_stack_lvl+0x6f/0xa0 [ 22.597911][ T455] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 22.597914][ T455] mark_lock_irq+0x989/0x9c0 [ 22.597917][ T455] mark_lock+0x1d7/0xa00 [ 22.597918][ T455] mark_usage+0x105/0x170 [ 22.597920][ T455] __lock_acquire+0x378/0xc10 [ 22.597922][ T455] lock_acquire.part.0+0xbc/0x260 [ 22.597923][ T455] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 22.597925][ T455] ? rcu_is_watching+0x15/0xd0 [ 22.597928][ T455] ? do_raw_read_unlock+0x70/0x70 [ 22.597930][ T455] ? lock_acquire+0x134/0x160 [ 22.597932][ T455] _raw_spin_lock+0x33/0x40 [ 22.597933][ T455] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 22.597935][ T455] __ipv6_dev_ac_dec+0x236/0x5d0 [ 22.597937][ T455] addrconf_leave_anycast+0x1bc/0x260 [ 22.597938][ T455] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 22.597940][ T455] ? __ipv6_isatap_ifid+0x210/0x210 [ 22.597942][ T455] ? nlmsg_notify+0x62/0x250 [ 22.597944][ T455] __ipv6_ifa_notify+0x6b4/0xad0 [ 22.597946][ T455] ? cleanup_prefix_route+0x550/0x550 [ 22.597948][ T455] ? find_held_lock+0x2b/0x80 [ 22.597950][ T455] ? __lock_release.isra.0+0x6b/0x1a0 [ 22.597952][ T455] ? __rwlock_init+0x150/0x150 [ 22.597953][ T455] ? mark_held_locks+0x40/0x70 [ 22.597955][ T455] ? addrconf_ifdown.isra.0+0xa70/0x15f0 [ 22.597957][ T455] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 22.597959][ T455] ? addrconf_dad_run+0x1b0/0x1b0 [ 22.597961][ T455] ? neigh_flush_one+0x580/0x580 [ 22.597964][ T455] ? mark_held_locks+0x40/0x70 [ 22.597965][ T455] addrconf_notify+0x2c8/0xf30 [ 22.597967][ T455] ? team_port_get_rtnl+0x65/0xc0 [ 22.597971][ T455] notifier_call_chain+0xb0/0x320 [ 22.597973][ T455] __dev_notify_flags+0x165/0x280 [ 22.597974][ T455] ? netif_change_name+0x8c0/0x8c0 [ 22.597976][ T455] ? netif_set_allmulti+0x250/0x250 [ 22.597977][ T455] ? is_bpf_text_address+0x68/0x110 [ 22.597981][ T455] netif_change_flags+0xfe/0x190 [ 22.597983][ T455] do_setlink.isra.0+0x1cc3/0x2750 [ 22.597986][ T455] ? rtnl_link_get_size+0x350/0x350 [ 22.597988][ T455] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 22.597990][ T455] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.597992][ T455] ? validate_chain+0x38b/0xc20 [ 22.597993][ T455] ? rcu_read_lock_any_held+0x66/0x90 [ 22.597994][ T455] ? stack_depot_save_flags+0x367/0x770 [ 22.597998][ T455] ? __kernel_text_address+0x12/0x30 [ 22.597999][ T455] ? __lock_acquire+0x508/0xc10 [ 22.598001][ T455] ? lock_acquire.part.0+0xbc/0x260 [ 22.598003][ T455] ? rtnl_newlink+0x883/0xef0 [ 22.598004][ T455] ? rcu_is_watching+0x15/0xd0 [ 22.598006][ T455] ? lock_acquire+0x134/0x160 [ 22.598007][ T455] ? rcu_is_watching+0x15/0xd0 [ 22.598008][ T455] ? rcu_is_watching+0x15/0xd0 [ 22.598010][ T455] ? trace_contention_end+0xb3/0x1a0 [ 22.598012][ T455] ? __mutex_lock+0x1db/0x2010 [ 22.598013][ T455] ? __mutex_lock+0x9b2/0x2010 [ 22.598015][ T455] ? rtnl_newlink+0x883/0xef0 [ 22.598017][ T455] ? ww_mutex_lock+0x160/0x160 [ 22.598019][ T455] ? __rtnl_newlink+0x3fa/0xa50 [ 22.598021][ T455] rtnl_newlink+0x8d1/0xef0 [ 22.598023][ T455] ? lock_acquire.part.0+0xbc/0x260 [ 22.598024][ T455] ? find_held_lock+0x2b/0x80 [ 22.598026][ T455] ? __rtnl_newlink+0xa50/0xa50 [ 22.598027][ T455] ? mark_usage+0x61/0x170 [ 22.598028][ T455] ? __lock_release.isra.0+0x6b/0x1a0 [ 22.598030][ T455] ? lock_acquire.part.0+0xbc/0x260 [ 22.598031][ T455] ? find_held_lock+0x2b/0x80 [ 22.598033][ T455] ? __rtnl_newlink+0xa50/0xa50 [ 22.598034][ T455] ? __lock_release.isra.0+0x6b/0x1a0 [ 22.598036][ T455] ? __rtnl_newlink+0xa50/0xa50 [ 22.598037][ T455] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.598039][ T455] ? validate_chain+0x38b/0xc20 [ 22.598040][ T455] ? rtnl_link_fill+0x920/0x920 [ 22.598042][ T455] ? __lock_acquire+0x508/0xc10 [ 22.598044][ T455] ? lock_acquire.part.0+0xbc/0x260 [ 22.598045][ T455] ? find_held_lock+0x2b/0x80 [ 22.598047][ T455] netlink_rcv_skb+0x14e/0x3a0 [ 22.598048][ T455] ? rtnl_link_fill+0x920/0x920 [ 22.598050][ T455] ? netlink_ack+0xcf0/0xcf0 [ 22.598053][ T455] ? netlink_deliver_tap+0xc5/0x330 [ 22.598054][ T455] ? netlink_deliver_tap+0x13c/0x330 [ 22.598056][ T455] netlink_unicast+0x486/0x750 [ 22.598058][ T455] ? netlink_attachskb+0x810/0x810 [ 22.598060][ T455] ? __lock_acquire+0x508/0xc10 [ 22.598062][ T455] netlink_sendmsg+0x735/0xc60 [ 22.598064][ T455] ? netlink_unicast+0x750/0x750 [ 22.598066][ T455] ? __might_fault+0x97/0x140 [ 22.598069][ T455] ____sys_sendmsg+0x419/0x850 [ 22.598070][ T455] ? copy_msghdr_from_user+0x2a0/0x460 [ 22.598072][ T455] ? get_timestamp.constprop.0+0x390/0x390 [ 22.598074][ T455] ? move_addr_to_kernel+0x40/0x40 [ 22.598076][ T455] ? stack_depot_save_flags+0x367/0x770 [ 22.598077][ T455] ? validate_chain+0x38b/0xc20 [ 22.598079][ T455] ___sys_sendmsg+0x14e/0x1d0 [ 22.598081][ T455] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 22.598083][ T455] ? copy_msghdr_from_user+0x460/0x460 [ 22.598088][ T455] __sys_sendmsg+0x145/0x1f0 [ 22.598089][ T455] ? __sys_sendmsg_sock+0x20/0x20 [ 22.598090][ T455] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 22.598092][ T455] ? do_raw_spin_unlock+0x59/0x250 [ 22.598094][ T455] ? rcu_is_watching+0x15/0xd0 [ 22.598096][ T455] do_syscall_64+0x117/0x590 [ 22.598097][ T455] ? trace_hardirqs_off+0xd/0x30 [ 22.598100][ T455] ? exc_page_fault+0xee/0x100 [ 22.598102][ T455] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.598104][ T455] RIP: 0033:0x7f3766ec108e [ 22.598107][ T455] 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 [ 22.598109][ T455] RSP: 002b:00007ffca175a570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.598111][ T455] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3766ec108e [ 22.598113][ T455] RDX: 0000000000000000 RSI: 00007ffca175a620 RDI: 0000000000000005 [ 22.598114][ T455] RBP: 00007ffca175a580 R08: 0000000000000000 R09: 0000000000000000 [ 22.598114][ T455] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a1989ed [ 22.598115][ T455] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca175ace0 [ 22.598118][ T455] [ 22.612568][ T455] ip (455) used greatest stack depth: 23592 bytes left [ 22.948802][ T476] vx1: left allmulticast mode [ 22.948972][ T476] vx1: left promiscuous mode [ 22.949178][ T476] br1: port 1(vx1) entered disabled state [ 23.006153][ T479] br1: port 3(veth2) entered disabled state [ 23.021770][ T480] veth2: left allmulticast mode [ 23.021875][ T480] veth2: left promiscuous mode [ 23.022009][ T480] br1: port 3(veth2) entered disabled state [ 23.034722][ T481] br1: port 2(veth1) entered disabled state [ 23.050978][ T482] veth1: left allmulticast mode [ 23.051111][ T482] veth1: left promiscuous mode [ 23.051304][ T482] br1: port 2(veth1) entered disabled state