[ 25.621122][ T268] ip (268) used greatest stack depth: 23744 bytes left [ 27.424953][ T286] lag1: Mode changed to "loadbalance" [ 28.140085][ T295] lag1: Port device veth0 added [ 28.252744][ T296] lag1: Port device veth6 added [ 29.523556][ T308] 8021q: 802.1Q VLAN Support v1.8 [ 29.523837][ T308] 8021q: adding VLAN 0 to HW filter on device lag1 [ 31.374059][ T327] lag4: Mode changed to "loadbalance" [ 31.526282][ T329] 8021q: adding VLAN 0 to HW filter on device lag4 [ 32.061593][ T335] lag4: Port device veth3 added [ 32.187169][ T336] lag4: Port device veth5 added [ 32.825230][ T342] 8021q: adding VLAN 0 to HW filter on device lag4 [ 35.067329][ T365] lag2: Mode changed to "loadbalance" [ 35.181808][ T367] 8021q: adding VLAN 0 to HW filter on device lag2 [ 35.680161][ T373] lag2: Port device veth1 added [ 35.803512][ T374] lag2: Port device veth7 added [ 37.117280][ T388] br1: port 1(lag2.100) entered blocking state [ 37.117554][ T388] br1: port 1(lag2.100) entered disabled state [ 37.117976][ T388] lag2.100: entered allmulticast mode [ 37.118870][ T388] lag2: entered allmulticast mode [ 37.119087][ T388] veth1: entered allmulticast mode [ 37.119400][ T388] veth7: entered allmulticast mode [ 37.121884][ T388] lag2.100: entered promiscuous mode [ 37.122096][ T388] lag2: entered promiscuous mode [ 37.122280][ T388] veth1: entered promiscuous mode [ 37.122791][ T388] veth7: entered promiscuous mode [ 37.641446][ T395] br2: port 1(lag2.200) entered blocking state [ 37.641703][ T395] br2: port 1(lag2.200) entered disabled state [ 37.641941][ T395] lag2.200: entered allmulticast mode [ 37.643811][ T395] lag2.200: entered promiscuous mode [ 38.046753][ T398] br1: port 1(lag2.100) entered blocking state [ 38.047162][ T398] br1: port 1(lag2.100) entered forwarding state [ 38.164254][ T399] br2: port 1(lag2.200) entered blocking state [ 38.164533][ T399] br2: port 1(lag2.200) entered forwarding state [ 38.834975][ T407] lag3: Mode changed to "loadbalance" [ 38.970689][ T409] 8021q: adding VLAN 0 to HW filter on device lag3 [ 39.514756][ T415] lag3: Port device veth2 added [ 39.641732][ T416] lag3: Port device veth4 added [ 41.269045][ T432] [ 41.269216][ T432] ===================================================== [ 41.269390][ T432] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 41.269591][ T432] 6.9.0-rc1-virtme #1 Not tainted [ 41.269729][ T432] ----------------------------------------------------- [ 41.269903][ T432] sysctl/432 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 41.270107][ T432] ffff888005f3ac28 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 41.270365][ T432] [ 41.270365][ T432] and this task is already holding: [ 41.270569][ T432] ffff8880052ba580 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 41.270814][ T432] which would create a new lock dependency: [ 41.270985][ T432] (&ndev->lock){++--}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 41.271192][ T432] [ 41.271192][ T432] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 41.271420][ T432] (&ndev->lock){++--}-{2:2} [ 41.271424][ T432] [ 41.271424][ T432] ... which became SOFTIRQ-irq-safe at: [ 41.271756][ T432] __lock_acquire+0x797/0x1570 [ 41.271896][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.272030][ T432] _raw_write_lock+0x30/0x40 [ 41.272168][ T432] addrconf_rs_timer+0xa9/0x730 [ 41.272303][ T432] call_timer_fn+0x13b/0x230 [ 41.272438][ T432] __run_timers+0x545/0x810 [ 41.272572][ T432] timer_expire_remote+0x9b/0xe0 [ 41.272719][ T432] tmigr_handle_remote_cpu+0x270/0x430 [ 41.272856][ T432] tmigr_handle_remote_up+0x19f/0x2e0 [ 41.272989][ T432] tmigr_handle_remote+0x21d/0x3a0 [ 41.273122][ T432] __do_softirq+0x1f8/0x5df [ 41.273257][ T432] irq_exit_rcu+0x97/0xc0 [ 41.273393][ T432] sysvec_apic_timer_interrupt+0x75/0x80 [ 41.273527][ T432] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 41.273698][ T432] default_idle+0xf/0x20 [ 41.273803][ T432] default_idle_call+0x6d/0xb0 [ 41.273936][ T432] cpuidle_idle_call+0x1f4/0x280 [ 41.274073][ T432] do_idle+0xf9/0x160 [ 41.274175][ T432] cpu_startup_entry+0x54/0x60 [ 41.274308][ T432] rest_init+0x14f/0x260 [ 41.274409][ T432] start_kernel+0x318/0x3d0 [ 41.274545][ T432] x86_64_start_reservations+0x18/0x30 [ 41.274681][ T432] x86_64_start_kernel+0xba/0x110 [ 41.274820][ T432] common_startup_64+0x12c/0x138 [ 41.274955][ T432] [ 41.274955][ T432] to a SOFTIRQ-irq-unsafe lock: [ 41.275122][ T432] (&p->alloc_lock){+.+.}-{2:2} [ 41.275126][ T432] [ 41.275126][ T432] ... which became SOFTIRQ-irq-unsafe at: [ 41.275452][ T432] ... [ 41.275454][ T432] __lock_acquire+0x797/0x1570 [ 41.275656][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.275794][ T432] _raw_spin_lock+0x30/0x40 [ 41.275935][ T432] set_mems_allowed+0x1d/0x210 [ 41.276072][ T432] kernel_init_freeable+0x72/0x310 [ 41.276209][ T432] kernel_init+0x20/0x200 [ 41.276344][ T432] ret_from_fork+0x31/0x70 [ 41.276481][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.276616][ T432] [ 41.276616][ T432] other info that might help us debug this: [ 41.276616][ T432] [ 41.276878][ T432] Possible interrupt unsafe locking scenario: [ 41.276878][ T432] [ 41.277080][ T432] CPU0 CPU1 [ 41.277215][ T432] ---- ---- [ 41.277349][ T432] lock(&p->alloc_lock); [ 41.277455][ T432] local_irq_disable(); [ 41.277620][ T432] lock(&ndev->lock); [ 41.277788][ T432] lock(&p->alloc_lock); [ 41.277959][ T432] [ 41.278062][ T432] lock(&ndev->lock); [ 41.278166][ T432] [ 41.278166][ T432] *** DEADLOCK *** [ 41.278166][ T432] [ 41.278362][ T432] 3 locks held by sysctl/432: [ 41.278498][ T432] #0: ffff88801741c3f0 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0xf5/0x1e0 [ 41.278744][ T432] #1: ffffffffa81969c8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_fixup_forwarding+0x20/0x460 [ 41.279017][ T432] #2: ffff8880052ba580 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 41.279262][ T432] [ 41.279262][ T432] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 41.279519][ T432] -> (&ndev->lock){++--}-{2:2} { [ 41.279661][ T432] HARDIRQ-ON-W at: [ 41.279767][ T432] __lock_acquire+0x797/0x1570 [ 41.279939][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.280112][ T432] _raw_write_lock_bh+0x38/0x50 [ 41.280283][ T432] addrconf_permanent_addr+0x6e/0x670 [ 41.280457][ T432] addrconf_notify+0x749/0xd60 [ 41.280627][ T432] notifier_call_chain+0xcd/0x150 [ 41.280800][ T432] __dev_notify_flags+0xe6/0x250 [ 41.280974][ T432] dev_change_flags+0xec/0x160 [ 41.281150][ T432] do_setlink+0x7d6/0x21e0 [ 41.281325][ T432] __rtnl_newlink+0xaa7/0xd80 [ 41.281501][ T432] rtnl_newlink+0x63/0xa0 [ 41.281672][ T432] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 41.281842][ T432] netlink_rcv_skb+0x130/0x360 [ 41.282014][ T432] netlink_unicast+0x449/0x710 [ 41.282187][ T432] netlink_sendmsg+0x723/0xbe0 [ 41.282362][ T432] ____sys_sendmsg+0x7b2/0xa10 [ 41.282532][ T432] ___sys_sendmsg+0xee/0x170 [ 41.282714][ T432] __sys_sendmsg+0xcd/0x170 [ 41.282888][ T432] do_syscall_64+0xc6/0x1e0 [ 41.283060][ T432] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 41.283266][ T432] HARDIRQ-ON-R at: [ 41.283369][ T432] __lock_acquire+0x797/0x1570 [ 41.283543][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.283713][ T432] _raw_read_lock_bh+0x44/0x80 [ 41.283966][ T432] inet6_fill_ifla6_attrs+0x516/0x740 [ 41.284136][ T432] inet6_fill_link_af+0x5e/0xe0 [ 41.284304][ T432] rtnl_fill_ifinfo+0x1612/0x29e0 [ 41.284472][ T432] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 41.284725][ T432] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 41.284927][ T432] rtmsg_ifinfo+0x5b/0xa0 [ 41.285094][ T432] register_netdevice+0x1177/0x1690 [ 41.285345][ T432] register_netdev+0x20/0x40 [ 41.285512][ T432] sit_init_net+0x250/0x4f0 [ 41.285681][ T432] ops_init+0x9b/0x560 [ 41.285820][ T432] register_pernet_operations+0x2db/0x710 [ 41.286101][ T432] register_pernet_device+0x2a/0x60 [ 41.286269][ T432] sit_init+0x23/0xe0 [ 41.286405][ T432] do_one_initcall+0x8d/0x1e0 [ 41.286657][ T432] do_initcalls+0x1b2/0x3e0 [ 41.286826][ T432] kernel_init_freeable+0x232/0x310 [ 41.286994][ T432] kernel_init+0x20/0x200 [ 41.287248][ T432] ret_from_fork+0x31/0x70 [ 41.287419][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.287588][ T432] IN-SOFTIRQ-W at: [ 41.287691][ T432] __lock_acquire+0x797/0x1570 [ 41.287942][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.288112][ T432] _raw_write_lock+0x30/0x40 [ 41.288283][ T432] addrconf_rs_timer+0xa9/0x730 [ 41.288457][ T432] call_timer_fn+0x13b/0x230 [ 41.288707][ T432] __run_timers+0x545/0x810 [ 41.288874][ T432] timer_expire_remote+0x9b/0xe0 [ 41.289043][ T432] tmigr_handle_remote_cpu+0x270/0x430 [ 41.289292][ T432] tmigr_handle_remote_up+0x19f/0x2e0 [ 41.289462][ T432] tmigr_handle_remote+0x21d/0x3a0 [ 41.289638][ T432] __do_softirq+0x1f8/0x5df [ 41.289888][ T432] irq_exit_rcu+0x97/0xc0 [ 41.290058][ T432] sysvec_apic_timer_interrupt+0x75/0x80 [ 41.290263][ T432] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 41.290549][ T432] default_idle+0xf/0x20 [ 41.290720][ T432] default_idle_call+0x6d/0xb0 [ 41.290891][ T432] cpuidle_idle_call+0x1f4/0x280 [ 41.291063][ T432] do_idle+0xf9/0x160 [ 41.291365][ T432] cpu_startup_entry+0x54/0x60 [ 41.291533][ T432] rest_init+0x14f/0x260 [ 41.291702][ T432] start_kernel+0x318/0x3d0 [ 41.291952][ T432] x86_64_start_reservations+0x18/0x30 [ 41.292125][ T432] x86_64_start_kernel+0xba/0x110 [ 41.292297][ T432] common_startup_64+0x12c/0x138 [ 41.292468][ T432] IN-SOFTIRQ-R at: [ 41.292659][ T432] __lock_acquire+0x797/0x1570 [ 41.292831][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.293002][ T432] _raw_read_lock_bh+0x44/0x80 [ 41.293171][ T432] ipv6_get_lladdr+0xa9/0x3e0 [ 41.293424][ T432] addrconf_rs_timer+0x24a/0x730 [ 41.293595][ T432] call_timer_fn+0x13b/0x230 [ 41.293766][ T432] __run_timers+0x545/0x810 [ 41.294016][ T432] timer_expire_remote+0x9b/0xe0 [ 41.294186][ T432] tmigr_handle_remote_cpu+0x270/0x430 [ 41.294356][ T432] tmigr_handle_remote_up+0x19f/0x2e0 [ 41.294611][ T432] tmigr_handle_remote+0x21d/0x3a0 [ 41.294782][ T432] __do_softirq+0x1f8/0x5df [ 41.294950][ T432] irq_exit_rcu+0x97/0xc0 [ 41.295118][ T432] sysvec_apic_timer_interrupt+0x75/0x80 [ 41.295402][ T432] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 41.295605][ T432] default_idle+0xf/0x20 [ 41.295781][ T432] default_idle_call+0x6d/0xb0 [ 41.296031][ T432] cpuidle_idle_call+0x1f4/0x280 [ 41.296201][ T432] do_idle+0xf9/0x160 [ 41.296336][ T432] cpu_startup_entry+0x54/0x60 [ 41.296586][ T432] rest_init+0x14f/0x260 [ 41.296755][ T432] start_kernel+0x318/0x3d0 [ 41.296925][ T432] x86_64_start_reservations+0x18/0x30 [ 41.297099][ T432] x86_64_start_kernel+0xba/0x110 [ 41.297348][ T432] common_startup_64+0x12c/0x138 [ 41.297518][ T432] INITIAL USE at: [ 41.297620][ T432] __lock_acquire+0x797/0x1570 [ 41.297792][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.298045][ T432] _raw_write_lock_bh+0x38/0x50 [ 41.298220][ T432] addrconf_permanent_addr+0x6e/0x670 [ 41.298391][ T432] addrconf_notify+0x749/0xd60 [ 41.298644][ T432] notifier_call_chain+0xcd/0x150 [ 41.298816][ T432] __dev_notify_flags+0xe6/0x250 [ 41.298987][ T432] dev_change_flags+0xec/0x160 [ 41.299240][ T432] do_setlink+0x7d6/0x21e0 [ 41.299414][ T432] __rtnl_newlink+0xaa7/0xd80 [ 41.299586][ T432] rtnl_newlink+0x63/0xa0 [ 41.299756][ T432] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 41.300008][ T432] netlink_rcv_skb+0x130/0x360 [ 41.300184][ T432] netlink_unicast+0x449/0x710 [ 41.300356][ T432] netlink_sendmsg+0x723/0xbe0 [ 41.300608][ T432] ____sys_sendmsg+0x7b2/0xa10 [ 41.300783][ T432] ___sys_sendmsg+0xee/0x170 [ 41.300956][ T432] __sys_sendmsg+0xcd/0x170 [ 41.301127][ T432] do_syscall_64+0xc6/0x1e0 [ 41.301377][ T432] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 41.301580][ T432] INITIAL READ USE at: [ 41.301681][ T432] __lock_acquire+0x797/0x1570 [ 41.302011][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.302185][ T432] _raw_read_lock_bh+0x44/0x80 [ 41.302355][ T432] inet6_fill_ifla6_attrs+0x516/0x740 [ 41.302648][ T432] inet6_fill_link_af+0x5e/0xe0 [ 41.302818][ T432] rtnl_fill_ifinfo+0x1612/0x29e0 [ 41.302991][ T432] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 41.303201][ T432] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 41.303486][ T432] rtmsg_ifinfo+0x5b/0xa0 [ 41.303655][ T432] register_netdevice+0x1177/0x1690 [ 41.303859][ T432] register_netdev+0x20/0x40 [ 41.304109][ T432] sit_init_net+0x250/0x4f0 [ 41.304281][ T432] ops_init+0x9b/0x560 [ 41.304454][ T432] register_pernet_operations+0x2db/0x710 [ 41.304737][ T432] register_pernet_device+0x2a/0x60 [ 41.304939][ T432] sit_init+0x23/0xe0 [ 41.305108][ T432] do_one_initcall+0x8d/0x1e0 [ 41.305358][ T432] do_initcalls+0x1b2/0x3e0 [ 41.305528][ T432] kernel_init_freeable+0x232/0x310 [ 41.305733][ T432] kernel_init+0x20/0x200 [ 41.306019][ T432] ret_from_fork+0x31/0x70 [ 41.306188][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.306358][ T432] } [ 41.306430][ T432] ... key at: [] __key.37+0x0/0x40 [ 41.306714][ T432] [ 41.306714][ T432] the dependencies between the lock to be acquired [ 41.306716][ T432] and SOFTIRQ-irq-unsafe lock: [ 41.307081][ T432] -> (&p->alloc_lock){+.+.}-{2:2} { [ 41.307302][ T432] HARDIRQ-ON-W at: [ 41.307408][ T432] __lock_acquire+0x797/0x1570 [ 41.307580][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.307749][ T432] _raw_spin_lock+0x30/0x40 [ 41.308001][ T432] set_mems_allowed+0x1d/0x210 [ 41.308171][ T432] kernel_init_freeable+0x72/0x310 [ 41.308345][ T432] kernel_init+0x20/0x200 [ 41.308516][ T432] ret_from_fork+0x31/0x70 [ 41.308766][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.308940][ T432] SOFTIRQ-ON-W at: [ 41.309041][ T432] __lock_acquire+0x797/0x1570 [ 41.309294][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.309466][ T432] _raw_spin_lock+0x30/0x40 [ 41.309641][ T432] set_mems_allowed+0x1d/0x210 [ 41.309812][ T432] kernel_init_freeable+0x72/0x310 [ 41.310062][ T432] kernel_init+0x20/0x200 [ 41.310233][ T432] ret_from_fork+0x31/0x70 [ 41.310411][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.310662][ T432] INITIAL USE at: [ 41.310764][ T432] __lock_acquire+0x797/0x1570 [ 41.310939][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.311110][ T432] _raw_spin_lock+0x30/0x40 [ 41.311362][ T432] set_mems_allowed+0x1d/0x210 [ 41.311533][ T432] kernel_init_freeable+0x72/0x310 [ 41.311706][ T432] kernel_init+0x20/0x200 [ 41.311956][ T432] ret_from_fork+0x31/0x70 [ 41.312128][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.312299][ T432] } [ 41.312369][ T432] ... key at: [] __key.387+0x0/0x40 [ 41.312741][ T432] ... acquired at: [ 41.312843][ T432] check_prev_add+0x194/0xce0 [ 41.312981][ T432] validate_chain+0x71d/0x9b0 [ 41.313118][ T432] __lock_acquire+0xaf0/0x1570 [ 41.313253][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.313475][ T432] _raw_spin_lock+0x30/0x40 [ 41.313612][ T432] __get_task_comm+0x27/0x70 [ 41.313749][ T432] ref_tracker_alloc+0x2ee/0x490 [ 41.313886][ T432] netdev_get_by_index+0x5e/0x80 [ 41.314102][ T432] fib6_nh_init+0x3d8/0x15b0 [ 41.314239][ T432] ip6_route_info_create+0xf18/0x17d0 [ 41.314376][ T432] addrconf_f6i_alloc+0x265/0x560 [ 41.314510][ T432] __ipv6_dev_ac_inc+0x25f/0xb10 [ 41.314727][ T432] addrconf_join_anycast+0x1c0/0x220 [ 41.314864][ T432] dev_forward_change+0x2a6/0x7b0 [ 41.315006][ T432] addrconf_fixup_forwarding+0x23f/0x460 [ 41.315173][ T432] addrconf_sysctl_forward+0x212/0x2b0 [ 41.315387][ T432] proc_sys_call_handler+0x403/0x5e0 [ 41.315523][ T432] vfs_write+0x9e5/0x10a0 [ 41.315657][ T432] ksys_write+0xf5/0x1e0 [ 41.315791][ T432] do_syscall_64+0xc6/0x1e0 [ 41.316011][ T432] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 41.316177][ T432] [ 41.316245][ T432] [ 41.316245][ T432] stack backtrace: [ 41.316410][ T432] CPU: 2 PID: 432 Comm: sysctl Not tainted 6.9.0-rc1-virtme #1 [ 41.316689][ T432] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 41.316987][ T432] Call Trace: [ 41.317093][ T432] [ 41.317163][ T432] dump_stack_lvl+0x82/0xd0 [ 41.317385][ T432] print_bad_irq_dependency+0x957/0xd40 [ 41.317520][ T432] ? hlock_class+0x4e/0x130 [ 41.317655][ T432] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 41.317825][ T432] ? __pfx_usage_skip+0x10/0x10 [ 41.318036][ T432] ? __bfs+0x246/0x650 [ 41.318137][ T432] ? __pfx_usage_match+0x10/0x10 [ 41.318271][ T432] check_irq_usage+0x596/0x850 [ 41.318411][ T432] ? __pfx_check_irq_usage+0x10/0x10 [ 41.318625][ T432] ? __bfs+0x246/0x650 [ 41.318726][ T432] ? __pfx_hlock_conflict+0x10/0x10 [ 41.318862][ T432] ? check_path.constprop.0+0x24/0x50 [ 41.318996][ T432] ? check_noncircular+0x14c/0x3e0 [ 41.319129][ T432] ? __pfx_check_noncircular+0x10/0x10 [ 41.319346][ T432] ? check_prev_add+0x194/0xce0 [ 41.319479][ T432] check_prev_add+0x194/0xce0 [ 41.319617][ T432] ? validate_chain+0x130/0x9b0 [ 41.319754][ T432] validate_chain+0x71d/0x9b0 [ 41.319967][ T432] ? mark_lock+0x38/0x3e0 [ 41.320069][ T432] ? __pfx_validate_chain+0x10/0x10 [ 41.320202][ T432] ? hlock_class+0x4e/0x130 [ 41.320337][ T432] ? mark_lock+0x38/0x3e0 [ 41.320440][ T432] __lock_acquire+0xaf0/0x1570 [ 41.320655][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.320792][ T432] ? __get_task_comm+0x27/0x70 [ 41.320931][ T432] ? mark_lock+0x38/0x3e0 [ 41.321033][ T432] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 41.321246][ T432] ? trace_lock_acquire+0x135/0x1c0 [ 41.321379][ T432] ? __get_task_comm+0x27/0x70 [ 41.321512][ T432] ? lock_acquire+0x32/0xc0 [ 41.321649][ T432] ? __get_task_comm+0x27/0x70 [ 41.321782][ T432] _raw_spin_lock+0x30/0x40 [ 41.321994][ T432] ? __get_task_comm+0x27/0x70 [ 41.322126][ T432] __get_task_comm+0x27/0x70 [ 41.322263][ T432] ref_tracker_alloc+0x2ee/0x490 [ 41.322397][ T432] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 41.322621][ T432] ? dev_get_by_index+0x177/0x270 [ 41.322756][ T432] ? netdev_get_by_index+0x5e/0x80 [ 41.322888][ T432] ? fib6_nh_init+0x3d8/0x15b0 [ 41.323021][ T432] ? ip6_route_info_create+0xf18/0x17d0 [ 41.323313][ T432] ? addrconf_f6i_alloc+0x265/0x560 [ 41.323447][ T432] ? __ipv6_dev_ac_inc+0x25f/0xb10 [ 41.323584][ T432] ? addrconf_join_anycast+0x1c0/0x220 [ 41.323720][ T432] ? dev_forward_change+0x2a6/0x7b0 [ 41.323933][ T432] ? addrconf_fixup_forwarding+0x23f/0x460 [ 41.324099][ T432] ? addrconf_sysctl_forward+0x212/0x2b0 [ 41.324233][ T432] ? proc_sys_call_handler+0x403/0x5e0 [ 41.324367][ T432] ? vfs_write+0x9e5/0x10a0 [ 41.324577][ T432] ? ksys_write+0xf5/0x1e0 [ 41.324715][ T432] ? do_syscall_64+0xc6/0x1e0 [ 41.324848][ T432] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 41.325014][ T432] ? dev_get_by_index+0x177/0x270 [ 41.325233][ T432] netdev_get_by_index+0x5e/0x80 [ 41.325366][ T432] fib6_nh_init+0x3d8/0x15b0 [ 41.325499][ T432] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 41.325668][ T432] ? __pfx_fib6_nh_init+0x10/0x10 [ 41.325880][ T432] ? kasan_save_track+0x14/0x30 [ 41.326019][ T432] ? __kasan_kmalloc+0x7f/0x90 [ 41.326153][ T432] ? __kmalloc+0x1d7/0x3c0 [ 41.326286][ T432] ? fib6_get_table+0x116/0x290 [ 41.326421][ T432] ip6_route_info_create+0xf18/0x17d0 [ 41.326635][ T432] ? __lock_release+0x103/0x460 [ 41.326770][ T432] ? __pfx_ip6_route_info_create+0x10/0x10 [ 41.326936][ T432] ? addrconf_f6i_alloc+0x12d/0x560 [ 41.327070][ T432] addrconf_f6i_alloc+0x265/0x560 [ 41.327284][ T432] ? __pfx_addrconf_f6i_alloc+0x10/0x10 [ 41.327424][ T432] ? do_raw_write_lock+0x122/0x3b0 [ 41.327561][ T432] ? __pfx_do_raw_write_lock+0x10/0x10 [ 41.327694][ T432] ? lock_acquire+0x32/0xc0 [ 41.327908][ T432] __ipv6_dev_ac_inc+0x25f/0xb10 [ 41.328042][ T432] addrconf_join_anycast+0x1c0/0x220 [ 41.328175][ T432] ? mark_lock+0x38/0x3e0 [ 41.328276][ T432] ? __pfx_addrconf_join_anycast+0x10/0x10 [ 41.328528][ T432] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 41.328695][ T432] dev_forward_change+0x2a6/0x7b0 [ 41.328829][ T432] ? __pfx_dev_forward_change+0x10/0x10 [ 41.328966][ T432] addrconf_fixup_forwarding+0x23f/0x460 [ 41.329179][ T432] addrconf_sysctl_forward+0x212/0x2b0 [ 41.329313][ T432] ? __pfx_addrconf_sysctl_forward+0x10/0x10 [ 41.329483][ T432] ? __pfx_addrconf_sysctl_forward+0x10/0x10 [ 41.329654][ T432] ? trace_kmalloc+0x2a/0xe0 [ 41.329867][ T432] ? __kmalloc_node+0x220/0x400 [ 41.330000][ T432] ? proc_sys_call_handler+0x30b/0x5e0 [ 41.330135][ T432] proc_sys_call_handler+0x403/0x5e0 [ 41.330269][ T432] ? __pfx_proc_sys_call_handler+0x10/0x10 [ 41.330515][ T432] ? __lock_acquire+0xaf0/0x1570 [ 41.330650][ T432] vfs_write+0x9e5/0x10a0 [ 41.330752][ T432] ? do_user_addr_fault+0x449/0xbe0 [ 41.330891][ T432] ? __pfx_vfs_write+0x10/0x10 [ 41.331106][ T432] ? find_held_lock+0x2c/0x110 [ 41.331239][ T432] ? __pfx___lock_release+0x10/0x10 [ 41.331377][ T432] ? __fget_light+0x53/0x1e0 [ 41.331512][ T432] ksys_write+0xf5/0x1e0 [ 41.331613][ T432] ? __pfx_ksys_write+0x10/0x10 [ 41.331826][ T432] ? do_user_addr_fault+0x4bd/0xbe0 [ 41.331960][ T432] do_syscall_64+0xc6/0x1e0 [ 41.332094][ T432] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 41.332266][ T432] RIP: 0033:0x7fc825715957 [ 41.332490][ T432] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 41.332972][ T432] RSP: 002b:00007ffd593d30a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.333261][ T432] RAX: ffffffffffffffda RBX: 000055ec4b477360 RCX: 00007fc825715957 [ 41.333465][ T432] RDX: 0000000000000002 RSI: 000055ec4b4773a0 RDI: 0000000000000005 [ 41.333828][ T432] RBP: 000055ec4b4794d0 R08: 0000000000000003 R09: 0000000000000077 [ 41.334029][ T432] R10: 000000000000006b R11: 0000000000000246 R12: 0000000000000002 [ 41.334228][ T432] R13: 0000000000000002 R14: 0000000000000002 R15: 00007fc8257cc9c0 [ 41.334515][ T432] [ 53.022861][ T480] veth7: left promiscuous mode [ 53.023833][ T480] veth7: left allmulticast mode [ 53.025054][ T480] lag2: Port device veth7 removed [ 68.655147][ T509] veth7: entered promiscuous mode [ 68.655533][ T509] veth7: entered allmulticast mode [ 68.656328][ T509] lag2: Port device veth7 added [ 68.978066][ T512] veth1: left promiscuous mode [ 68.978643][ T512] veth1: left allmulticast mode [ 68.981516][ T512] lag2: Port device veth1 removed [ 84.582245][ T458] br1: port 1(lag2.100) entered disabled state [ 84.583263][ T458] br2: port 1(lag2.200) entered disabled state [ 84.672569][ T541] veth7: left promiscuous mode [ 84.672967][ T541] veth7: left allmulticast mode [ 84.674914][ T541] lag2: Port device veth7 removed [ 84.983530][ T544] veth1: entered promiscuous mode [ 84.983957][ T544] veth1: entered allmulticast mode [ 84.984714][ T544] lag2: Port device veth1 added [ 85.010125][ T7] br1: port 1(lag2.100) entered blocking state [ 85.010329][ T7] br1: port 1(lag2.100) entered forwarding state [ 85.010878][ T7] br2: port 1(lag2.200) entered blocking state [ 85.011058][ T7] br2: port 1(lag2.200) entered forwarding state [ 85.293397][ T547] veth7: entered promiscuous mode [ 85.293765][ T547] veth7: entered allmulticast mode [ 85.294556][ T547] lag2: Port device veth7 added [ 100.811733][ T575] lag2.200: left allmulticast mode [ 100.811931][ T575] lag2.200: left promiscuous mode [ 100.812498][ T575] br2: port 1(lag2.200) entered disabled state [ 100.916525][ T576] lag2.100: left allmulticast mode [ 100.916714][ T576] lag2: left allmulticast mode [ 100.916909][ T576] veth1: left allmulticast mode [ 100.917316][ T576] veth7: left allmulticast mode [ 100.917492][ T576] lag2.100: left promiscuous mode [ 100.917640][ T576] lag2: left promiscuous mode [ 100.917835][ T576] veth1: left promiscuous mode [ 100.918249][ T576] veth7: left promiscuous mode [ 100.918984][ T576] br1: port 1(lag2.100) entered disabled state [ 103.101758][ T578] br1: port 1(lag2.100) entered blocking state [ 103.102018][ T578] br1: port 1(lag2.100) entered disabled state [ 103.102243][ T578] lag2.100: entered allmulticast mode [ 103.102410][ T578] lag2: entered allmulticast mode [ 103.102561][ T578] veth1: entered allmulticast mode [ 103.102718][ T578] veth7: entered allmulticast mode [ 103.104287][ T578] lag2.100: entered promiscuous mode [ 103.104459][ T578] lag2: entered promiscuous mode [ 103.104614][ T578] veth1: entered promiscuous mode [ 103.104969][ T578] veth7: entered promiscuous mode [ 103.106621][ T578] br1: port 1(lag2.100) entered blocking state [ 103.106839][ T578] br1: port 1(lag2.100) entered forwarding state [ 103.206842][ T579] br2: port 1(lag2.200) entered blocking state [ 103.207088][ T579] br2: port 1(lag2.200) entered disabled state [ 103.207314][ T579] lag2.200: entered allmulticast mode [ 103.209994][ T579] lag2.200: entered promiscuous mode [ 103.210941][ T579] br2: port 1(lag2.200) entered blocking state [ 103.211146][ T579] br2: port 1(lag2.200) entered forwarding state [ 118.838845][ T607] lag3: Port device veth2 removed [ 134.479264][ T636] lag3: Port device veth2 added [ 134.787574][ T639] lag3: Port device veth4 removed [ 150.545803][ T668] lag3: Port device veth2 removed [ 150.877308][ T671] lag3: Port device veth4 added [ 151.221842][ T674] lag3: Port device veth2 added [ 167.819968][ T714] lag3: Port device veth4 removed [ 167.919677][ T715] lag3: Port device veth2 removed [ 168.639567][ T727] br2: port 1(lag2.200) entered disabled state [ 168.744938][ T728] br1: port 1(lag2.100) entered disabled state [ 169.060884][ T732] lag2.200: left allmulticast mode [ 169.061654][ T732] lag2.200: left promiscuous mode [ 169.062186][ T732] br2: port 1(lag2.200) entered disabled state [ 169.309661][ T734] lag2.100: left allmulticast mode [ 169.309847][ T734] lag2: left allmulticast mode [ 169.309994][ T734] veth1: left allmulticast mode [ 169.310179][ T734] veth7: left allmulticast mode [ 169.310332][ T734] lag2.100: left promiscuous mode [ 169.310479][ T734] lag2: left promiscuous mode [ 169.310617][ T734] veth1: left promiscuous mode [ 169.310974][ T734] veth7: left promiscuous mode [ 169.311636][ T734] br1: port 1(lag2.100) entered disabled state [ 169.780711][ T738] lag2: Port device veth7 removed [ 169.883659][ T739] lag2: Port device veth1 removed [ 171.642204][ T754] lag4: Port device veth5 removed [ 171.748279][ T755] lag4: Port device veth3 removed [ 173.471419][ T771] lag1: Port device veth6 removed [ 173.574783][ T772] lag1: Port device veth0 removed