[ 404.664046][ T2194] br0: port 1(veth1) entered blocking state [ 404.664272][ T2194] br0: port 1(veth1) entered disabled state [ 404.664468][ T2194] veth1: entered allmulticast mode [ 404.666887][ T2194] veth1: entered promiscuous mode [ 404.712407][ T91] br0: port 1(veth1) entered blocking state [ 404.712752][ T91] br0: port 1(veth1) entered forwarding state [ 404.760095][ T2197] br0: port 2(veth2) entered blocking state [ 404.760306][ T2197] br0: port 2(veth2) entered disabled state [ 404.760491][ T2197] veth2: entered allmulticast mode [ 404.762377][ T2197] veth2: entered promiscuous mode [ 404.790722][ T46] br0: port 2(veth2) entered blocking state [ 404.790926][ T46] br0: port 2(veth2) entered forwarding state [ 448.028884][ T3984] [ 448.028971][ T3984] ======================================================== [ 448.029116][ T3984] WARNING: possible irq lock inversion dependency detected [ 448.029254][ T3984] 7.1.0-rc5-virtme #1 Not tainted [ 448.029345][ T3984] -------------------------------------------------------- [ 448.029484][ T3984] ip/3984 just changed the state of lock: [ 448.029581][ T3984] ffffffff9937e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 448.029752][ T3984] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 448.029897][ T3984] (&ndev->lock){++--}-{3:3} [ 448.029900][ T3984] [ 448.029900][ T3984] [ 448.029900][ T3984] and interrupts could create inverse lock ordering between them. [ 448.029900][ T3984] [ 448.030235][ T3984] [ 448.030235][ T3984] other info that might help us debug this: [ 448.030368][ T3984] Possible interrupt unsafe locking scenario: [ 448.030368][ T3984] [ 448.030514][ T3984] CPU0 CPU1 [ 448.030613][ T3984] ---- ---- [ 448.030715][ T3984] lock(acaddr_hash_lock); [ 448.030818][ T3984] local_irq_disable(); [ 448.030933][ T3984] lock(&ndev->lock); [ 448.031051][ T3984] lock(acaddr_hash_lock); [ 448.031179][ T3984] [ 448.031249][ T3984] lock(&ndev->lock); [ 448.031319][ T3984] [ 448.031319][ T3984] *** DEADLOCK *** [ 448.031319][ T3984] [ 448.031451][ T3984] 1 lock held by ip/3984: [ 448.031521][ T3984] #0: ffffffff9928c9c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0xef0 [ 448.031693][ T3984] [ 448.031693][ T3984] the shortest dependencies between 2nd lock and 1st lock: [ 448.031860][ T3984] -> (&ndev->lock){++--}-{3:3} { [ 448.031957][ T3984] HARDIRQ-ON-W at: [ 448.032027][ T3984] __lock_acquire+0x378/0xc10 [ 448.032157][ T3984] lock_acquire.part.0+0xbc/0x260 [ 448.032274][ T3984] _raw_write_lock_bh+0x38/0x50 [ 448.032388][ T3984] addrconf_permanent_addr+0x108/0x9c0 [ 448.032526][ T3984] addrconf_notify+0x151/0xf30 [ 448.032639][ T3984] notifier_call_chain+0xb0/0x320 [ 448.032752][ T3984] __dev_notify_flags+0xde/0x280 [ 448.032868][ T3984] netif_change_flags+0xfe/0x190 [ 448.032982][ T3984] do_setlink.isra.0+0x1cc3/0x2750 [ 448.033104][ T3984] rtnl_newlink+0x8d1/0xef0 [ 448.033226][ T3984] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 448.033347][ T3984] netlink_rcv_skb+0x14e/0x3a0 [ 448.033465][ T3984] netlink_unicast+0x486/0x750 [ 448.033577][ T3984] netlink_sendmsg+0x735/0xc60 [ 448.033691][ T3984] ____sys_sendmsg+0x419/0x850 [ 448.033811][ T3984] ___sys_sendmsg+0x14e/0x1d0 [ 448.033930][ T3984] __sys_sendmsg+0x145/0x1f0 [ 448.034047][ T3984] do_syscall_64+0x117/0x590 [ 448.034170][ T3984] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 448.034309][ T3984] HARDIRQ-ON-R at: [ 448.034381][ T3984] __lock_acquire+0x378/0xc10 [ 448.034499][ T3984] lock_acquire.part.0+0xbc/0x260 [ 448.034618][ T3984] _raw_read_lock_bh+0x44/0x80 [ 448.034735][ T3984] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 448.034880][ T3984] inet6_fill_link_af+0x5c/0xe0 [ 448.034995][ T3984] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 448.035136][ T3984] rtnl_getlink+0x9c9/0xeb0 [ 448.035255][ T3984] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 448.035373][ T3984] netlink_rcv_skb+0x14e/0x3a0 [ 448.035485][ T3984] netlink_unicast+0x486/0x750 [ 448.035600][ T3984] netlink_sendmsg+0x735/0xc60 [ 448.035714][ T3984] ____sys_sendmsg+0x419/0x850 [ 448.035836][ T3984] ___sys_sendmsg+0x14e/0x1d0 [ 448.035954][ T3984] __sys_sendmsg+0x145/0x1f0 [ 448.036073][ T3984] do_syscall_64+0x117/0x590 [ 448.036197][ T3984] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 448.036332][ T3984] IN-SOFTIRQ-W at: [ 448.036402][ T3984] __lock_acquire+0x378/0xc10 [ 448.036517][ T3984] lock_acquire.part.0+0xbc/0x260 [ 448.036634][ T3984] _raw_write_lock+0x33/0x40 [ 448.036749][ T3984] addrconf_rs_timer+0xb0/0x770 [ 448.036871][ T3984] call_timer_fn+0x163/0x4f0 [ 448.036987][ T3984] __run_timers+0x68f/0xab0 [ 448.037112][ T3984] run_timer_softirq+0xf0/0x160 [ 448.037233][ T3984] handle_softirqs+0x1d8/0x940 [ 448.037351][ T3984] __irq_exit_rcu+0x103/0x1c0 [ 448.037465][ T3984] irq_exit_rcu+0xe/0x30 [ 448.037582][ T3984] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 448.037720][ T3984] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 448.037859][ T3984] pv_native_safe_halt+0xf/0x10 [ 448.037976][ T3984] default_idle+0x9/0x10 [ 448.038115][ T3984] default_idle_call+0x6e/0xb0 [ 448.038229][ T3984] cpuidle_idle_call.constprop.0+0x237/0x410 [ 448.038366][ T3984] do_idle+0xf5/0x160 [ 448.038483][ T3984] cpu_startup_entry+0x53/0x70 [ 448.038600][ T3984] rest_init+0x1f7/0x200 [ 448.038734][ T3984] start_kernel+0x3ad/0x3b0 [ 448.038859][ T3984] x86_64_start_reservations+0x24/0x30 [ 448.038997][ T3984] x86_64_start_kernel+0x12b/0x130 [ 448.039122][ T3984] common_startup_64+0x13e/0x148 [ 448.039238][ T3984] IN-SOFTIRQ-R at: [ 448.039306][ T3984] __lock_acquire+0x378/0xc10 [ 448.039419][ T3984] lock_acquire.part.0+0xbc/0x260 [ 448.039533][ T3984] _raw_read_lock_bh+0x44/0x80 [ 448.039654][ T3984] ipv6_get_lladdr+0xa8/0x3f0 [ 448.039771][ T3984] addrconf_rs_timer+0x251/0x770 [ 448.039898][ T3984] call_timer_fn+0x163/0x4f0 [ 448.040012][ T3984] __run_timers+0x68f/0xab0 [ 448.040134][ T3984] run_timer_softirq+0xf0/0x160 [ 448.040253][ T3984] handle_softirqs+0x1d8/0x940 [ 448.040373][ T3984] __irq_exit_rcu+0x103/0x1c0 [ 448.040494][ T3984] irq_exit_rcu+0xe/0x30 [ 448.040616][ T3984] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 448.040762][ T3984] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 448.040904][ T3984] pv_native_safe_halt+0xf/0x10 [ 448.041024][ T3984] default_idle+0x9/0x10 [ 448.041144][ T3984] default_idle_call+0x6e/0xb0 [ 448.041257][ T3984] cpuidle_idle_call.constprop.0+0x237/0x410 [ 448.041393][ T3984] do_idle+0xf5/0x160 [ 448.041508][ T3984] cpu_startup_entry+0x53/0x70 [ 448.041626][ T3984] rest_init+0x1f7/0x200 [ 448.041740][ T3984] start_kernel+0x3ad/0x3b0 [ 448.041857][ T3984] x86_64_start_reservations+0x24/0x30 [ 448.041997][ T3984] x86_64_start_kernel+0x12b/0x130 [ 448.042118][ T3984] common_startup_64+0x13e/0x148 [ 448.042233][ T3984] INITIAL USE at: [ 448.042302][ T3984] __lock_acquire+0x378/0xc10 [ 448.042414][ T3984] lock_acquire.part.0+0xbc/0x260 [ 448.042530][ T3984] _raw_write_lock_bh+0x38/0x50 [ 448.042650][ T3984] addrconf_permanent_addr+0x108/0x9c0 [ 448.042791][ T3984] addrconf_notify+0x151/0xf30 [ 448.042907][ T3984] notifier_call_chain+0xb0/0x320 [ 448.043019][ T3984] __dev_notify_flags+0xde/0x280 [ 448.043136][ T3984] netif_change_flags+0xfe/0x190 [ 448.043250][ T3984] do_setlink.isra.0+0x1cc3/0x2750 [ 448.043370][ T3984] rtnl_newlink+0x8d1/0xef0 [ 448.043487][ T3984] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 448.043598][ T3984] netlink_rcv_skb+0x14e/0x3a0 [ 448.043711][ T3984] netlink_unicast+0x486/0x750 [ 448.043829][ T3984] netlink_sendmsg+0x735/0xc60 [ 448.043945][ T3984] ____sys_sendmsg+0x419/0x850 [ 448.044063][ T3984] ___sys_sendmsg+0x14e/0x1d0 [ 448.044187][ T3984] __sys_sendmsg+0x145/0x1f0 [ 448.044303][ T3984] do_syscall_64+0x117/0x590 [ 448.044419][ T3984] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 448.044561][ T3984] INITIAL READ USE at: [ 448.044658][ T3984] __lock_acquire+0x378/0xc10 [ 448.044775][ T3984] lock_acquire.part.0+0xbc/0x260 [ 448.044911][ T3984] _raw_read_lock_bh+0x44/0x80 [ 448.045028][ T3984] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 448.045175][ T3984] inet6_fill_link_af+0x5c/0xe0 [ 448.045288][ T3984] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 448.045435][ T3984] rtnl_getlink+0x9c9/0xeb0 [ 448.045553][ T3984] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 448.045665][ T3984] netlink_rcv_skb+0x14e/0x3a0 [ 448.045779][ T3984] netlink_unicast+0x486/0x750 [ 448.045903][ T3984] netlink_sendmsg+0x735/0xc60 [ 448.046015][ T3984] ____sys_sendmsg+0x419/0x850 [ 448.046135][ T3984] ___sys_sendmsg+0x14e/0x1d0 [ 448.046248][ T3984] __sys_sendmsg+0x145/0x1f0 [ 448.046365][ T3984] do_syscall_64+0x117/0x590 [ 448.046480][ T3984] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 448.046613][ T3984] } [ 448.046660][ T3984] ... key at: [] __key.37+0x0/0x40 [ 448.046805][ T3984] ... acquired at: [ 448.046888][ T3984] __lock_acquire+0x508/0xc10 [ 448.046986][ T3984] lock_acquire.part.0+0xbc/0x260 [ 448.047077][ T3984] _raw_spin_lock+0x33/0x40 [ 448.047181][ T3984] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 448.047292][ T3984] __ipv6_dev_ac_inc+0x57e/0x930 [ 448.047392][ T3984] addrconf_join_anycast+0x1bc/0x260 [ 448.047481][ T3984] __ipv6_ifa_notify+0x75b/0xad0 [ 448.047570][ T3984] addrconf_dad_completed+0x14b/0xe10 [ 448.047660][ T3984] addrconf_dad_work+0x3c1/0x930 [ 448.047754][ T3984] process_one_work+0xdf8/0x1410 [ 448.047848][ T3984] worker_thread+0x4f1/0xd60 [ 448.047947][ T3984] kthread+0x367/0x460 [ 448.048018][ T3984] ret_from_fork+0x474/0x6b0 [ 448.048118][ T3984] ret_from_fork_asm+0x11/0x20 [ 448.048214][ T3984] [ 448.048259][ T3984] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 448.048355][ T3984] HARDIRQ-ON-W at: [ 448.048428][ T3984] __lock_acquire+0x378/0xc10 [ 448.048541][ T3984] lock_acquire.part.0+0xbc/0x260 [ 448.048652][ T3984] _raw_spin_lock+0x33/0x40 [ 448.048769][ T3984] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 448.048912][ T3984] __ipv6_dev_ac_inc+0x57e/0x930 [ 448.049030][ T3984] addrconf_join_anycast+0x1bc/0x260 [ 448.049157][ T3984] __ipv6_ifa_notify+0x75b/0xad0 [ 448.049275][ T3984] addrconf_dad_completed+0x14b/0xe10 [ 448.049388][ T3984] addrconf_dad_work+0x3c1/0x930 [ 448.049505][ T3984] process_one_work+0xdf8/0x1410 [ 448.049623][ T3984] worker_thread+0x4f1/0xd60 [ 448.049739][ T3984] kthread+0x367/0x460 [ 448.049834][ T3984] ret_from_fork+0x474/0x6b0 [ 448.049952][ T3984] ret_from_fork_asm+0x11/0x20 [ 448.050067][ T3984] SOFTIRQ-ON-W at: [ 448.050142][ T3984] __lock_acquire+0x378/0xc10 [ 448.050258][ T3984] lock_acquire.part.0+0xbc/0x260 [ 448.050376][ T3984] _raw_spin_lock+0x33/0x40 [ 448.050494][ T3984] __ipv6_dev_ac_dec+0x236/0x5d0 [ 448.050611][ T3984] addrconf_leave_anycast+0x1bc/0x260 [ 448.050723][ T3984] __ipv6_ifa_notify+0x6b4/0xad0 [ 448.050845][ T3984] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 448.050966][ T3984] addrconf_notify+0x2c8/0xf30 [ 448.051079][ T3984] notifier_call_chain+0xb0/0x320 [ 448.051198][ T3984] __dev_notify_flags+0x165/0x280 [ 448.051311][ T3984] netif_change_flags+0xfe/0x190 [ 448.051424][ T3984] do_setlink.isra.0+0x1cc3/0x2750 [ 448.051544][ T3984] rtnl_newlink+0x8d1/0xef0 [ 448.051660][ T3984] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 448.051772][ T3984] netlink_rcv_skb+0x14e/0x3a0 [ 448.051890][ T3984] netlink_unicast+0x486/0x750 [ 448.052005][ T3984] netlink_sendmsg+0x735/0xc60 [ 448.052127][ T3984] ____sys_sendmsg+0x419/0x850 [ 448.052243][ T3984] ___sys_sendmsg+0x14e/0x1d0 [ 448.052356][ T3984] __sys_sendmsg+0x145/0x1f0 [ 448.052468][ T3984] do_syscall_64+0x117/0x590 [ 448.052580][ T3984] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 448.052715][ T3984] INITIAL USE at: [ 448.052781][ T3984] __lock_acquire+0x378/0xc10 [ 448.052898][ T3984] lock_acquire.part.0+0xbc/0x260 [ 448.053012][ T3984] _raw_spin_lock+0x33/0x40 [ 448.053145][ T3984] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 448.053287][ T3984] __ipv6_dev_ac_inc+0x57e/0x930 [ 448.053403][ T3984] addrconf_join_anycast+0x1bc/0x260 [ 448.053516][ T3984] __ipv6_ifa_notify+0x75b/0xad0 [ 448.053633][ T3984] addrconf_dad_completed+0x14b/0xe10 [ 448.053750][ T3984] addrconf_dad_work+0x3c1/0x930 [ 448.053872][ T3984] process_one_work+0xdf8/0x1410 [ 448.053987][ T3984] worker_thread+0x4f1/0xd60 [ 448.054105][ T3984] kthread+0x367/0x460 [ 448.054197][ T3984] ret_from_fork+0x474/0x6b0 [ 448.054314][ T3984] ret_from_fork_asm+0x11/0x20 [ 448.054426][ T3984] } [ 448.054472][ T3984] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 448.054611][ T3984] ... acquired at: [ 448.054682][ T3984] mark_lock+0x1d7/0xa00 [ 448.054782][ T3984] mark_usage+0x105/0x170 [ 448.054882][ T3984] __lock_acquire+0x378/0xc10 [ 448.054971][ T3984] lock_acquire.part.0+0xbc/0x260 [ 448.055065][ T3984] _raw_spin_lock+0x33/0x40 [ 448.055162][ T3984] __ipv6_dev_ac_dec+0x236/0x5d0 [ 448.055251][ T3984] addrconf_leave_anycast+0x1bc/0x260 [ 448.055342][ T3984] __ipv6_ifa_notify+0x6b4/0xad0 [ 448.055441][ T3984] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 448.055532][ T3984] addrconf_notify+0x2c8/0xf30 [ 448.055621][ T3984] notifier_call_chain+0xb0/0x320 [ 448.055710][ T3984] __dev_notify_flags+0x165/0x280 [ 448.055799][ T3984] netif_change_flags+0xfe/0x190 [ 448.055891][ T3984] do_setlink.isra.0+0x1cc3/0x2750 [ 448.055982][ T3984] rtnl_newlink+0x8d1/0xef0 [ 448.056076][ T3984] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 448.056171][ T3984] netlink_rcv_skb+0x14e/0x3a0 [ 448.056261][ T3984] netlink_unicast+0x486/0x750 [ 448.056354][ T3984] netlink_sendmsg+0x735/0xc60 [ 448.056454][ T3984] ____sys_sendmsg+0x419/0x850 [ 448.056543][ T3984] ___sys_sendmsg+0x14e/0x1d0 [ 448.056632][ T3984] __sys_sendmsg+0x145/0x1f0 [ 448.056721][ T3984] do_syscall_64+0x117/0x590 [ 448.056815][ T3984] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 448.056934][ T3984] [ 448.056980][ T3984] [ 448.056980][ T3984] stack backtrace: [ 448.057107][ T3984] CPU: 3 UID: 0 PID: 3984 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 448.057110][ T3984] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 448.057112][ T3984] Call Trace: [ 448.057113][ T3984] [ 448.057114][ T3984] dump_stack_lvl+0x6f/0xa0 [ 448.057119][ T3984] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 448.057122][ T3984] mark_lock_irq+0x989/0x9c0 [ 448.057125][ T3984] mark_lock+0x1d7/0xa00 [ 448.057127][ T3984] mark_usage+0x105/0x170 [ 448.057128][ T3984] __lock_acquire+0x378/0xc10 [ 448.057131][ T3984] lock_acquire.part.0+0xbc/0x260 [ 448.057132][ T3984] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 448.057134][ T3984] ? rcu_is_watching+0x15/0xd0 [ 448.057137][ T3984] ? do_raw_read_unlock+0x70/0x70 [ 448.057139][ T3984] ? lock_acquire+0x134/0x160 [ 448.057141][ T3984] _raw_spin_lock+0x33/0x40 [ 448.057142][ T3984] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 448.057144][ T3984] __ipv6_dev_ac_dec+0x236/0x5d0 [ 448.057146][ T3984] addrconf_leave_anycast+0x1bc/0x260 [ 448.057148][ T3984] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 448.057150][ T3984] ? __ipv6_isatap_ifid+0x210/0x210 [ 448.057152][ T3984] ? nlmsg_notify+0x62/0x250 [ 448.057154][ T3984] __ipv6_ifa_notify+0x6b4/0xad0 [ 448.057156][ T3984] ? cleanup_prefix_route+0x550/0x550 [ 448.057159][ T3984] ? find_held_lock+0x2b/0x80 [ 448.057162][ T3984] ? __lock_release.isra.0+0x6b/0x1a0 [ 448.057163][ T3984] ? __rwlock_init+0x150/0x150 [ 448.057165][ T3984] ? mark_held_locks+0x40/0x70 [ 448.057166][ T3984] ? addrconf_ifdown.isra.0+0xa70/0x15f0 [ 448.057168][ T3984] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 448.057171][ T3984] ? addrconf_dad_run+0x1b0/0x1b0 [ 448.057173][ T3984] ? neigh_flush_one+0x580/0x580 [ 448.057176][ T3984] ? mark_held_locks+0x40/0x70 [ 448.057178][ T3984] addrconf_notify+0x2c8/0xf30 [ 448.057180][ T3984] ? team_port_get_rtnl+0x65/0xc0 [ 448.057183][ T3984] notifier_call_chain+0xb0/0x320 [ 448.057185][ T3984] __dev_notify_flags+0x165/0x280 [ 448.057187][ T3984] ? netif_change_name+0x8c0/0x8c0 [ 448.057188][ T3984] ? netif_set_allmulti+0x250/0x250 [ 448.057190][ T3984] ? is_bpf_text_address+0x68/0x110 [ 448.057194][ T3984] netif_change_flags+0xfe/0x190 [ 448.057196][ T3984] do_setlink.isra.0+0x1cc3/0x2750 [ 448.057199][ T3984] ? rtnl_link_get_size+0x350/0x350 [ 448.057200][ T3984] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 448.057203][ T3984] ? rcu_read_lock_any_held+0x3c/0x90 [ 448.057204][ T3984] ? validate_chain+0x38b/0xc20 [ 448.057206][ T3984] ? rcu_read_lock_any_held+0x66/0x90 [ 448.057207][ T3984] ? stack_depot_save_flags+0x367/0x770 [ 448.057210][ T3984] ? __kernel_text_address+0x12/0x30 [ 448.057212][ T3984] ? __lock_acquire+0x508/0xc10 [ 448.057214][ T3984] ? lock_acquire.part.0+0xbc/0x260 [ 448.057216][ T3984] ? rtnl_newlink+0x883/0xef0 [ 448.057217][ T3984] ? rcu_is_watching+0x15/0xd0 [ 448.057219][ T3984] ? lock_acquire+0x134/0x160 [ 448.057220][ T3984] ? rcu_is_watching+0x15/0xd0 [ 448.057222][ T3984] ? rcu_is_watching+0x15/0xd0 [ 448.057223][ T3984] ? trace_contention_end+0xb3/0x1a0 [ 448.057226][ T3984] ? __mutex_lock+0x1db/0x2010 [ 448.057227][ T3984] ? __mutex_lock+0x9b2/0x2010 [ 448.057229][ T3984] ? rtnl_newlink+0x883/0xef0 [ 448.057230][ T3984] ? ww_mutex_lock+0x160/0x160 [ 448.057233][ T3984] ? __rtnl_newlink+0x3fa/0xa50 [ 448.057235][ T3984] rtnl_newlink+0x8d1/0xef0 [ 448.057237][ T3984] ? lock_acquire.part.0+0xbc/0x260 [ 448.057239][ T3984] ? find_held_lock+0x2b/0x80 [ 448.057241][ T3984] ? __rtnl_newlink+0xa50/0xa50 [ 448.057242][ T3984] ? mark_usage+0x61/0x170 [ 448.057243][ T3984] ? __lock_release.isra.0+0x6b/0x1a0 [ 448.057245][ T3984] ? lock_acquire.part.0+0xbc/0x260 [ 448.057247][ T3984] ? find_held_lock+0x2b/0x80 [ 448.057249][ T3984] ? __rtnl_newlink+0xa50/0xa50 [ 448.057250][ T3984] ? __lock_release.isra.0+0x6b/0x1a0 [ 448.057252][ T3984] ? __rtnl_newlink+0xa50/0xa50 [ 448.057253][ T3984] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 448.057255][ T3984] ? validate_chain+0x38b/0xc20 [ 448.057257][ T3984] ? rtnl_link_fill+0x920/0x920 [ 448.057258][ T3984] ? __lock_acquire+0x508/0xc10 [ 448.057260][ T3984] ? lock_acquire.part.0+0xbc/0x260 [ 448.057261][ T3984] ? find_held_lock+0x2b/0x80 [ 448.057264][ T3984] netlink_rcv_skb+0x14e/0x3a0 [ 448.057265][ T3984] ? rtnl_link_fill+0x920/0x920 [ 448.057267][ T3984] ? netlink_ack+0xcf0/0xcf0 [ 448.057270][ T3984] ? netlink_deliver_tap+0xc5/0x330 [ 448.057272][ T3984] ? netlink_deliver_tap+0x13c/0x330 [ 448.057274][ T3984] netlink_unicast+0x486/0x750 [ 448.057276][ T3984] ? netlink_attachskb+0x810/0x810 [ 448.057278][ T3984] ? __lock_acquire+0x508/0xc10 [ 448.057280][ T3984] netlink_sendmsg+0x735/0xc60 [ 448.057282][ T3984] ? netlink_unicast+0x750/0x750 [ 448.057284][ T3984] ? __might_fault+0x97/0x140 [ 448.057287][ T3984] ____sys_sendmsg+0x419/0x850 [ 448.057289][ T3984] ? copy_msghdr_from_user+0x2a0/0x460 [ 448.057291][ T3984] ? get_timestamp.constprop.0+0x390/0x390 [ 448.057293][ T3984] ? move_addr_to_kernel+0x40/0x40 [ 448.057296][ T3984] ? stack_depot_save_flags+0x367/0x770 [ 448.057297][ T3984] ? validate_chain+0x38b/0xc20 [ 448.057299][ T3984] ___sys_sendmsg+0x14e/0x1d0 [ 448.057301][ T3984] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 448.057303][ T3984] ? copy_msghdr_from_user+0x460/0x460 [ 448.057308][ T3984] __sys_sendmsg+0x145/0x1f0 [ 448.057310][ T3984] ? __sys_sendmsg_sock+0x20/0x20 [ 448.057311][ T3984] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 448.057313][ T3984] ? do_raw_spin_unlock+0x59/0x250 [ 448.057315][ T3984] ? rcu_is_watching+0x15/0xd0 [ 448.057317][ T3984] do_syscall_64+0x117/0x590 [ 448.057318][ T3984] ? trace_hardirqs_off+0xd/0x30 [ 448.057321][ T3984] ? exc_page_fault+0xee/0x100 [ 448.057324][ T3984] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 448.057325][ T3984] RIP: 0033:0x7f0acdace08e [ 448.057329][ T3984] 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 [ 448.057331][ T3984] RSP: 002b:00007ffe767b1100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 448.057334][ T3984] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0acdace08e [ 448.057335][ T3984] RDX: 0000000000000000 RSI: 00007ffe767b11b0 RDI: 0000000000000005 [ 448.057336][ T3984] RBP: 00007ffe767b1110 R08: 0000000000000000 R09: 0000000000000000 [ 448.057337][ T3984] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a195955 [ 448.057338][ T3984] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe767b1870 [ 448.057340][ T3984] [ 448.070413][ T3984] br0: port 2(veth2) entered disabled state [ 448.073894][ T3984] ip (3984) used greatest stack depth: 23592 bytes left [ 448.088808][ T3985] veth2: left allmulticast mode [ 448.088943][ T3985] veth2: left promiscuous mode [ 448.089096][ T3985] br0: port 2(veth2) entered disabled state [ 448.107966][ T3986] br0: port 1(veth1) entered disabled state [ 448.121147][ T3987] veth1: left allmulticast mode [ 448.121267][ T3987] veth1: left promiscuous mode [ 448.121418][ T3987] br0: port 1(veth1) entered disabled state [ 448.286459][ T4005] br0: port 1(veth1) entered blocking state [ 448.286611][ T4005] br0: port 1(veth1) entered disabled state [ 448.286732][ T4005] veth1: entered allmulticast mode [ 448.288024][ T4005] veth1: entered promiscuous mode [ 448.313188][ T39] br0: port 1(veth1) entered blocking state [ 448.313322][ T39] br0: port 1(veth1) entered forwarding state [ 448.373957][ T4010] br0: port 2(veth2) entered blocking state [ 448.374082][ T4010] br0: port 2(veth2) entered disabled state [ 448.374209][ T4010] veth2: entered allmulticast mode [ 448.375010][ T4010] veth2: entered promiscuous mode [ 448.395228][ T39] br0: port 2(veth2) entered blocking state [ 448.395365][ T39] br0: port 2(veth2) entered forwarding state [ 485.281529][ T5806] br0: port 2(veth2) entered disabled state [ 485.294545][ T5807] veth2: left allmulticast mode [ 485.294706][ T5807] veth2: left promiscuous mode [ 485.294925][ T5807] br0: port 2(veth2) entered disabled state [ 485.309737][ T5808] br0: port 1(veth1) entered disabled state [ 485.326643][ T5809] veth1: left allmulticast mode [ 485.326785][ T5809] veth1: left promiscuous mode [ 485.327025][ T5809] br0: port 1(veth1) entered disabled state [ 485.489271][ T5827] br0: port 1(veth1) entered blocking state [ 485.489429][ T5827] br0: port 1(veth1) entered disabled state [ 485.489551][ T5827] veth1: entered allmulticast mode [ 485.490382][ T5827] veth1: entered promiscuous mode [ 485.514171][ T91] br0: port 1(veth1) entered blocking state [ 485.514382][ T91] br0: port 1(veth1) entered forwarding state [ 485.564540][ T5832] br0: port 2(veth2) entered blocking state [ 485.564680][ T5832] br0: port 2(veth2) entered disabled state [ 485.564800][ T5832] veth2: entered allmulticast mode [ 485.565646][ T5832] veth2: entered promiscuous mode [ 485.589192][ T91] br0: port 2(veth2) entered blocking state [ 485.589327][ T91] br0: port 2(veth2) entered forwarding state [ 558.832372][ T9685] br0: port 2(veth2) entered disabled state [ 558.848758][ T9686] veth2: left allmulticast mode [ 558.848894][ T9686] veth2: left promiscuous mode [ 558.849046][ T9686] br0: port 2(veth2) entered disabled state [ 558.864448][ T9687] br0: port 1(veth1) entered disabled state [ 558.884385][ T9688] veth1: left allmulticast mode [ 558.884493][ T9688] veth1: left promiscuous mode [ 558.884644][ T9688] br0: port 1(veth1) entered disabled state [ 559.075902][ T9706] br0: port 1(veth1) entered blocking state [ 559.076061][ T9706] br0: port 1(veth1) entered disabled state [ 559.076189][ T9706] veth1: entered allmulticast mode [ 559.077020][ T9706] veth1: entered promiscuous mode [ 559.098229][ T39] br0: port 1(veth1) entered blocking state [ 559.098409][ T39] br0: port 1(veth1) entered forwarding state [ 559.169173][ T9711] br0: port 2(veth2) entered blocking state [ 559.169321][ T9711] br0: port 2(veth2) entered disabled state [ 559.169447][ T9711] veth2: entered allmulticast mode [ 559.170284][ T9711] veth2: entered promiscuous mode [ 559.188846][ T46] br0: port 2(veth2) entered blocking state [ 559.189035][ T46] br0: port 2(veth2) entered forwarding state [ 564.420042][ T9735] br0: port 2(veth2) entered disabled state [ 564.420503][ T9735] br0: port 1(veth1) entered disabled state [ 564.498554][ T9741] br0: port 2(veth2) entered blocking state [ 564.498713][ T9741] br0: port 2(veth2) entered forwarding state [ 564.498945][ T9741] br0: port 1(veth1) entered blocking state [ 564.499068][ T9741] br0: port 1(veth1) entered forwarding state [ 564.691649][ T9757] br0: port 2(veth2) entered disabled state [ 564.691882][ T9757] br0: port 1(veth1) entered disabled state [ 564.734436][ T9760] br0: port 2(veth2) entered blocking state [ 564.734592][ T9760] br0: port 2(veth2) entered forwarding state [ 564.734812][ T9760] br0: port 1(veth1) entered blocking state [ 564.734942][ T9760] br0: port 1(veth1) entered forwarding state [ 564.818981][ T9767] br0: port 2(veth2) entered disabled state [ 564.836411][ T9768] veth2: left allmulticast mode [ 564.836526][ T9768] veth2: left promiscuous mode [ 564.836678][ T9768] br0: port 2(veth2) entered disabled state [ 564.855090][ T9769] br0: port 1(veth1) entered disabled state [ 564.874130][ T9770] veth1: left allmulticast mode [ 564.874243][ T9770] veth1: left promiscuous mode [ 564.874386][ T9770] br0: port 1(veth1) entered disabled state