[ 27.404808][ T287] lag1: Mode changed to "loadbalance" [ 28.093965][ T295] lag1: Port device veth0 added [ 28.209063][ T296] lag1: Port device veth6 added [ 29.530872][ T308] 8021q: 802.1Q VLAN Support v1.8 [ 29.531524][ T308] 8021q: adding VLAN 0 to HW filter on device lag1 [ 31.309144][ T327] lag4: Mode changed to "loadbalance" [ 31.455576][ T329] 8021q: adding VLAN 0 to HW filter on device lag4 [ 31.944723][ T335] lag4: Port device veth3 added [ 32.070907][ T336] lag4: Port device veth5 added [ 32.681211][ T342] 8021q: adding VLAN 0 to HW filter on device lag4 [ 34.966015][ T365] lag2: Mode changed to "loadbalance" [ 35.083706][ T367] 8021q: adding VLAN 0 to HW filter on device lag2 [ 35.576363][ T373] lag2: Port device veth1 added [ 35.708722][ T374] lag2: Port device veth7 added [ 35.966042][ T376] ip (376) used greatest stack depth: 23424 bytes left [ 36.985043][ T388] br1: port 1(lag2.100) entered blocking state [ 36.985444][ T388] br1: port 1(lag2.100) entered disabled state [ 36.986194][ T388] lag2.100: entered allmulticast mode [ 36.986393][ T388] lag2: entered allmulticast mode [ 36.986558][ T388] veth1: entered allmulticast mode [ 36.986938][ T388] veth7: entered allmulticast mode [ 36.989349][ T388] lag2.100: entered promiscuous mode [ 36.989528][ T388] lag2: entered promiscuous mode [ 36.989703][ T388] veth1: entered promiscuous mode [ 36.990184][ T388] veth7: entered promiscuous mode [ 37.506640][ T395] br2: port 1(lag2.200) entered blocking state [ 37.506919][ T395] br2: port 1(lag2.200) entered disabled state [ 37.507179][ T395] lag2.200: entered allmulticast mode [ 37.509116][ T395] lag2.200: entered promiscuous mode [ 37.868092][ T398] br1: port 1(lag2.100) entered blocking state [ 37.868515][ T398] br1: port 1(lag2.100) entered forwarding state [ 37.999060][ T399] br2: port 1(lag2.200) entered blocking state [ 37.999364][ T399] br2: port 1(lag2.200) entered forwarding state [ 38.742873][ T407] lag3: Mode changed to "loadbalance" [ 38.878873][ T409] 8021q: adding VLAN 0 to HW filter on device lag3 [ 39.413980][ T415] lag3: Port device veth2 added [ 39.587436][ T416] lag3: Port device veth4 added [ 41.249005][ T432] [ 41.249238][ T432] ===================================================== [ 41.249521][ T432] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 41.249851][ T432] 6.9.0-rc1-virtme #1 Not tainted [ 41.250070][ T432] ----------------------------------------------------- [ 41.250336][ T432] sysctl/432 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 41.250674][ T432] ffff888006520968 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 41.251068][ T432] [ 41.251068][ T432] and this task is already holding: [ 41.251394][ T432] ffff8880055f2580 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 41.251794][ T432] which would create a new lock dependency: [ 41.252054][ T432] (&ndev->lock){++--}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 41.252389][ T432] [ 41.252389][ T432] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 41.252766][ T432] (&ndev->lock){++--}-{2:2} [ 41.252774][ T432] [ 41.252774][ T432] ... which became SOFTIRQ-irq-safe at: [ 41.253315][ T432] __lock_acquire+0x797/0x1570 [ 41.253541][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.253761][ T432] _raw_write_lock+0x30/0x40 [ 41.253990][ T432] addrconf_rs_timer+0xa9/0x730 [ 41.254207][ T432] call_timer_fn+0x13b/0x230 [ 41.254430][ T432] __run_timers+0x545/0x810 [ 41.254650][ T432] run_timer_softirq+0xe8/0x1b0 [ 41.254872][ T432] __do_softirq+0x1f8/0x5df [ 41.255094][ T432] irq_exit_rcu+0x97/0xc0 [ 41.255321][ T432] sysvec_apic_timer_interrupt+0x75/0x80 [ 41.255538][ T432] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 41.255795][ T432] default_idle+0xf/0x20 [ 41.255951][ T432] default_idle_call+0x6d/0xb0 [ 41.256160][ T432] cpuidle_idle_call+0x1f4/0x280 [ 41.256375][ T432] do_idle+0xf9/0x160 [ 41.256534][ T432] cpu_startup_entry+0x54/0x60 [ 41.256743][ T432] start_secondary+0x21c/0x2b0 [ 41.256957][ T432] common_startup_64+0x12c/0x138 [ 41.257186][ T432] [ 41.257186][ T432] to a SOFTIRQ-irq-unsafe lock: [ 41.257456][ T432] (&p->alloc_lock){+.+.}-{2:2} [ 41.257465][ T432] [ 41.257465][ T432] ... which became SOFTIRQ-irq-unsafe at: [ 41.257952][ T432] ... [ 41.257955][ T432] __lock_acquire+0x797/0x1570 [ 41.258264][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.258470][ T432] _raw_spin_lock+0x30/0x40 [ 41.258686][ T432] set_mems_allowed+0x1d/0x210 [ 41.258903][ T432] kernel_init_freeable+0x72/0x310 [ 41.259117][ T432] kernel_init+0x20/0x200 [ 41.259328][ T432] ret_from_fork+0x31/0x70 [ 41.259539][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.259748][ T432] [ 41.259748][ T432] other info that might help us debug this: [ 41.259748][ T432] [ 41.260164][ T432] Possible interrupt unsafe locking scenario: [ 41.260164][ T432] [ 41.260496][ T432] CPU0 CPU1 [ 41.260708][ T432] ---- ---- [ 41.260920][ T432] lock(&p->alloc_lock); [ 41.261080][ T432] local_irq_disable(); [ 41.261335][ T432] lock(&ndev->lock); [ 41.261600][ T432] lock(&p->alloc_lock); [ 41.261868][ T432] [ 41.262024][ T432] lock(&ndev->lock); [ 41.262198][ T432] [ 41.262198][ T432] *** DEADLOCK *** [ 41.262198][ T432] [ 41.262536][ T432] 3 locks held by sysctl/432: [ 41.262763][ T432] #0: ffff8880062cc3f0 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0xf5/0x1e0 [ 41.263164][ T432] #1: ffffffff9cb969c8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_fixup_forwarding+0x20/0x460 [ 41.263599][ T432] #2: ffff8880055f2580 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 41.263999][ T432] [ 41.263999][ T432] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 41.264422][ T432] -> (&ndev->lock){++--}-{2:2} { [ 41.264652][ T432] HARDIRQ-ON-W at: [ 41.264824][ T432] __lock_acquire+0x797/0x1570 [ 41.265099][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.265370][ T432] _raw_write_lock_bh+0x38/0x50 [ 41.265642][ T432] addrconf_permanent_addr+0x6e/0x670 [ 41.265912][ T432] addrconf_notify+0x749/0xd60 [ 41.266192][ T432] notifier_call_chain+0xcd/0x150 [ 41.266474][ T432] __dev_notify_flags+0xe6/0x250 [ 41.266737][ T432] dev_change_flags+0xec/0x160 [ 41.267037][ T432] do_setlink+0x7d6/0x21e0 [ 41.267330][ T432] __rtnl_newlink+0xaa7/0xd80 [ 41.267596][ T432] rtnl_newlink+0x63/0xa0 [ 41.267870][ T432] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 41.268145][ T432] netlink_rcv_skb+0x130/0x360 [ 41.268424][ T432] netlink_unicast+0x449/0x710 [ 41.268698][ T432] netlink_sendmsg+0x723/0xbe0 [ 41.268969][ T432] ____sys_sendmsg+0x7b2/0xa10 [ 41.269248][ T432] ___sys_sendmsg+0xee/0x170 [ 41.269525][ T432] __sys_sendmsg+0xcd/0x170 [ 41.269801][ T432] do_syscall_64+0xc6/0x1e0 [ 41.270086][ T432] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 41.270393][ T432] HARDIRQ-ON-R at: [ 41.270511][ T432] __lock_acquire+0x797/0x1570 [ 41.270713][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.270907][ T432] _raw_read_lock_bh+0x44/0x80 [ 41.271114][ T432] inet6_fill_ifla6_attrs+0x516/0x740 [ 41.271304][ T432] inet6_fill_link_af+0x5e/0xe0 [ 41.271495][ T432] rtnl_fill_ifinfo+0x1612/0x29e0 [ 41.271688][ T432] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 41.271881][ T432] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 41.272118][ T432] rtmsg_ifinfo+0x5b/0xa0 [ 41.272311][ T432] register_netdevice+0x1177/0x1690 [ 41.272502][ T432] register_netdev+0x20/0x40 [ 41.272690][ T432] sit_init_net+0x250/0x4f0 [ 41.272884][ T432] ops_init+0x9b/0x560 [ 41.273051][ T432] register_pernet_operations+0x2db/0x710 [ 41.273278][ T432] register_pernet_device+0x2a/0x60 [ 41.273471][ T432] sit_init+0x23/0xe0 [ 41.273627][ T432] do_one_initcall+0x8d/0x1e0 [ 41.273819][ T432] do_initcalls+0x1b2/0x3e0 [ 41.274018][ T432] kernel_init_freeable+0x232/0x310 [ 41.274210][ T432] kernel_init+0x20/0x200 [ 41.274409][ T432] ret_from_fork+0x31/0x70 [ 41.274605][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.274800][ T432] IN-SOFTIRQ-W at: [ 41.274918][ T432] __lock_acquire+0x797/0x1570 [ 41.275119][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.275311][ T432] _raw_write_lock+0x30/0x40 [ 41.275507][ T432] addrconf_rs_timer+0xa9/0x730 [ 41.275704][ T432] call_timer_fn+0x13b/0x230 [ 41.275901][ T432] __run_timers+0x545/0x810 [ 41.276094][ T432] run_timer_softirq+0xe8/0x1b0 [ 41.276289][ T432] __do_softirq+0x1f8/0x5df [ 41.276478][ T432] irq_exit_rcu+0x97/0xc0 [ 41.276665][ T432] sysvec_apic_timer_interrupt+0x75/0x80 [ 41.276904][ T432] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 41.277219][ T432] default_idle+0xf/0x20 [ 41.277469][ T432] default_idle_call+0x6d/0xb0 [ 41.277664][ T432] cpuidle_idle_call+0x1f4/0x280 [ 41.277859][ T432] do_idle+0xf9/0x160 [ 41.278018][ T432] cpu_startup_entry+0x54/0x60 [ 41.278210][ T432] start_secondary+0x21c/0x2b0 [ 41.278408][ T432] common_startup_64+0x12c/0x138 [ 41.278598][ T432] IN-SOFTIRQ-R at: [ 41.278712][ T432] __lock_acquire+0x797/0x1570 [ 41.278906][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.279104][ T432] _raw_read_lock_bh+0x44/0x80 [ 41.279300][ T432] ipv6_get_lladdr+0xa9/0x3e0 [ 41.279498][ T432] addrconf_rs_timer+0x24a/0x730 [ 41.279696][ T432] call_timer_fn+0x13b/0x230 [ 41.279890][ T432] __run_timers+0x545/0x810 [ 41.280096][ T432] run_timer_softirq+0xe8/0x1b0 [ 41.280295][ T432] __do_softirq+0x1f8/0x5df [ 41.280484][ T432] irq_exit_rcu+0x97/0xc0 [ 41.280673][ T432] sysvec_apic_timer_interrupt+0x75/0x80 [ 41.280908][ T432] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 41.281145][ T432] default_idle+0xf/0x20 [ 41.281341][ T432] default_idle_call+0x6d/0xb0 [ 41.281532][ T432] cpuidle_idle_call+0x1f4/0x280 [ 41.281727][ T432] do_idle+0xf9/0x160 [ 41.281879][ T432] cpu_startup_entry+0x54/0x60 [ 41.282085][ T432] start_secondary+0x21c/0x2b0 [ 41.282282][ T432] common_startup_64+0x12c/0x138 [ 41.282474][ T432] INITIAL USE at: [ 41.282590][ T432] __lock_acquire+0x797/0x1570 [ 41.282782][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.283077][ T432] _raw_write_lock_bh+0x38/0x50 [ 41.283269][ T432] addrconf_permanent_addr+0x6e/0x670 [ 41.283464][ T432] addrconf_notify+0x749/0xd60 [ 41.283657][ T432] notifier_call_chain+0xcd/0x150 [ 41.283936][ T432] __dev_notify_flags+0xe6/0x250 [ 41.284133][ T432] dev_change_flags+0xec/0x160 [ 41.284326][ T432] do_setlink+0x7d6/0x21e0 [ 41.284603][ T432] __rtnl_newlink+0xaa7/0xd80 [ 41.284800][ T432] rtnl_newlink+0x63/0xa0 [ 41.284997][ T432] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 41.285434][ T432] netlink_rcv_skb+0x130/0x360 [ 41.285702][ T432] netlink_unicast+0x449/0x710 [ 41.285896][ T432] netlink_sendmsg+0x723/0xbe0 [ 41.286094][ T432] ____sys_sendmsg+0x7b2/0xa10 [ 41.286374][ T432] ___sys_sendmsg+0xee/0x170 [ 41.286570][ T432] __sys_sendmsg+0xcd/0x170 [ 41.286762][ T432] do_syscall_64+0xc6/0x1e0 [ 41.287055][ T432] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 41.287299][ T432] INITIAL READ USE at: [ 41.287418][ T432] __lock_acquire+0x797/0x1570 [ 41.287610][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.287807][ T432] _raw_read_lock_bh+0x44/0x80 [ 41.288004][ T432] inet6_fill_ifla6_attrs+0x516/0x740 [ 41.288240][ T432] inet6_fill_link_af+0x5e/0xe0 [ 41.288602][ T432] rtnl_fill_ifinfo+0x1612/0x29e0 [ 41.288792][ T432] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 41.289027][ T432] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 41.289344][ T432] rtmsg_ifinfo+0x5b/0xa0 [ 41.289538][ T432] register_netdevice+0x1177/0x1690 [ 41.289768][ T432] register_netdev+0x20/0x40 [ 41.290056][ T432] sit_init_net+0x250/0x4f0 [ 41.290248][ T432] ops_init+0x9b/0x560 [ 41.290441][ T432] register_pernet_operations+0x2db/0x710 [ 41.290674][ T432] register_pernet_device+0x2a/0x60 [ 41.290904][ T432] sit_init+0x23/0xe0 [ 41.291106][ T432] do_one_initcall+0x8d/0x1e0 [ 41.291302][ T432] do_initcalls+0x1b2/0x3e0 [ 41.291582][ T432] kernel_init_freeable+0x232/0x310 [ 41.291811][ T432] kernel_init+0x20/0x200 [ 41.292012][ T432] ret_from_fork+0x31/0x70 [ 41.292286][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.292475][ T432] } [ 41.292554][ T432] ... key at: [] __key.37+0x0/0x40 [ 41.292799][ T432] [ 41.292799][ T432] the dependencies between the lock to be acquired [ 41.292801][ T432] and SOFTIRQ-irq-unsafe lock: [ 41.293364][ T432] -> (&p->alloc_lock){+.+.}-{2:2} { [ 41.293520][ T432] HARDIRQ-ON-W at: [ 41.293636][ T432] __lock_acquire+0x797/0x1570 [ 41.293824][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.294015][ T432] _raw_spin_lock+0x30/0x40 [ 41.294205][ T432] set_mems_allowed+0x1d/0x210 [ 41.294477][ T432] kernel_init_freeable+0x72/0x310 [ 41.294665][ T432] kernel_init+0x20/0x200 [ 41.294851][ T432] ret_from_fork+0x31/0x70 [ 41.295132][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.295325][ T432] SOFTIRQ-ON-W at: [ 41.295439][ T432] __lock_acquire+0x797/0x1570 [ 41.295628][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.295902][ T432] _raw_spin_lock+0x30/0x40 [ 41.296101][ T432] set_mems_allowed+0x1d/0x210 [ 41.296291][ T432] kernel_init_freeable+0x72/0x310 [ 41.296561][ T432] kernel_init+0x20/0x200 [ 41.296751][ T432] ret_from_fork+0x31/0x70 [ 41.296940][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.297145][ T432] INITIAL USE at: [ 41.297344][ T432] __lock_acquire+0x797/0x1570 [ 41.297534][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.297719][ T432] _raw_spin_lock+0x30/0x40 [ 41.297909][ T432] set_mems_allowed+0x1d/0x210 [ 41.298188][ T432] kernel_init_freeable+0x72/0x310 [ 41.298382][ T432] kernel_init+0x20/0x200 [ 41.298569][ T432] ret_from_fork+0x31/0x70 [ 41.298842][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.299041][ T432] } [ 41.299119][ T432] ... key at: [] __key.387+0x0/0x40 [ 41.299348][ T432] ... acquired at: [ 41.299547][ T432] check_prev_add+0x194/0xce0 [ 41.299698][ T432] validate_chain+0x71d/0x9b0 [ 41.299850][ T432] __lock_acquire+0xaf0/0x1570 [ 41.300008][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.300325][ T432] _raw_spin_lock+0x30/0x40 [ 41.300478][ T432] __get_task_comm+0x27/0x70 [ 41.300635][ T432] ref_tracker_alloc+0x2ee/0x490 [ 41.300789][ T432] netdev_get_by_index+0x5e/0x80 [ 41.300941][ T432] fib6_nh_init+0x3d8/0x15b0 [ 41.301182][ T432] ip6_route_info_create+0xf18/0x17d0 [ 41.301332][ T432] addrconf_f6i_alloc+0x265/0x560 [ 41.301482][ T432] __ipv6_dev_ac_inc+0x25f/0xb10 [ 41.301636][ T432] addrconf_join_anycast+0x1c0/0x220 [ 41.301872][ T432] dev_forward_change+0x2a6/0x7b0 [ 41.302034][ T432] addrconf_fixup_forwarding+0x23f/0x460 [ 41.302234][ T432] addrconf_sysctl_forward+0x212/0x2b0 [ 41.302386][ T432] proc_sys_call_handler+0x403/0x5e0 [ 41.302618][ T432] vfs_write+0x9e5/0x10a0 [ 41.302767][ T432] ksys_write+0xf5/0x1e0 [ 41.302918][ T432] do_syscall_64+0xc6/0x1e0 [ 41.303080][ T432] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 41.303349][ T432] [ 41.303429][ T432] [ 41.303429][ T432] stack backtrace: [ 41.303612][ T432] CPU: 3 PID: 432 Comm: sysctl Not tainted 6.9.0-rc1-virtme #1 [ 41.303840][ T432] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 41.304266][ T432] Call Trace: [ 41.304380][ T432] [ 41.304462][ T432] dump_stack_lvl+0x82/0xd0 [ 41.304615][ T432] print_bad_irq_dependency+0x957/0xd40 [ 41.304766][ T432] ? hlock_class+0x4e/0x130 [ 41.304920][ T432] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 41.305119][ T432] ? __pfx_usage_skip+0x10/0x10 [ 41.305267][ T432] ? __bfs+0x246/0x650 [ 41.305464][ T432] ? __pfx_usage_match+0x10/0x10 [ 41.305616][ T432] check_irq_usage+0x596/0x850 [ 41.305765][ T432] ? __pfx_check_irq_usage+0x10/0x10 [ 41.305920][ T432] ? __bfs+0x246/0x650 [ 41.306124][ T432] ? __pfx_hlock_conflict+0x10/0x10 [ 41.306276][ T432] ? check_path.constprop.0+0x24/0x50 [ 41.306424][ T432] ? check_noncircular+0x14c/0x3e0 [ 41.306574][ T432] ? __pfx_check_noncircular+0x10/0x10 [ 41.306727][ T432] ? check_prev_add+0x194/0xce0 [ 41.306957][ T432] check_prev_add+0x194/0xce0 [ 41.307128][ T432] ? validate_chain+0x130/0x9b0 [ 41.307281][ T432] validate_chain+0x71d/0x9b0 [ 41.307431][ T432] ? mark_lock+0x38/0x3e0 [ 41.307628][ T432] ? __pfx_validate_chain+0x10/0x10 [ 41.307777][ T432] ? hlock_class+0x4e/0x130 [ 41.307925][ T432] ? mark_lock+0x38/0x3e0 [ 41.308049][ T432] __lock_acquire+0xaf0/0x1570 [ 41.308204][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.308438][ T432] ? __get_task_comm+0x27/0x70 [ 41.308591][ T432] ? mark_lock+0x38/0x3e0 [ 41.308709][ T432] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 41.308860][ T432] ? trace_lock_acquire+0x135/0x1c0 [ 41.309140][ T432] ? __get_task_comm+0x27/0x70 [ 41.309315][ T432] ? lock_acquire+0x32/0xc0 [ 41.309464][ T432] ? __get_task_comm+0x27/0x70 [ 41.309606][ T432] _raw_spin_lock+0x30/0x40 [ 41.309826][ T432] ? __get_task_comm+0x27/0x70 [ 41.309963][ T432] __get_task_comm+0x27/0x70 [ 41.310102][ T432] ref_tracker_alloc+0x2ee/0x490 [ 41.310244][ T432] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 41.310382][ T432] ? dev_get_by_index+0x177/0x270 [ 41.310599][ T432] ? netdev_get_by_index+0x5e/0x80 [ 41.310735][ T432] ? fib6_nh_init+0x3d8/0x15b0 [ 41.310872][ T432] ? ip6_route_info_create+0xf18/0x17d0 [ 41.311010][ T432] ? addrconf_f6i_alloc+0x265/0x560 [ 41.311229][ T432] ? __ipv6_dev_ac_inc+0x25f/0xb10 [ 41.311371][ T432] ? addrconf_join_anycast+0x1c0/0x220 [ 41.311506][ T432] ? dev_forward_change+0x2a6/0x7b0 [ 41.311643][ T432] ? addrconf_fixup_forwarding+0x23f/0x460 [ 41.311978][ T432] ? addrconf_sysctl_forward+0x212/0x2b0 [ 41.312118][ T432] ? proc_sys_call_handler+0x403/0x5e0 [ 41.312255][ T432] ? vfs_write+0x9e5/0x10a0 [ 41.312395][ T432] ? ksys_write+0xf5/0x1e0 [ 41.312533][ T432] ? do_syscall_64+0xc6/0x1e0 [ 41.312673][ T432] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 41.312843][ T432] ? dev_get_by_index+0x177/0x270 [ 41.312979][ T432] netdev_get_by_index+0x5e/0x80 [ 41.313201][ T432] fib6_nh_init+0x3d8/0x15b0 [ 41.313343][ T432] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 41.313513][ T432] ? __pfx_fib6_nh_init+0x10/0x10 [ 41.313649][ T432] ? kasan_save_track+0x14/0x30 [ 41.313869][ T432] ? __kasan_kmalloc+0x7f/0x90 [ 41.314008][ T432] ? __kmalloc+0x1d7/0x3c0 [ 41.314147][ T432] ? fib6_get_table+0x116/0x290 [ 41.314288][ T432] ip6_route_info_create+0xf18/0x17d0 [ 41.314507][ T432] ? __lock_release+0x103/0x460 [ 41.314645][ T432] ? __pfx_ip6_route_info_create+0x10/0x10 [ 41.314816][ T432] ? addrconf_f6i_alloc+0x12d/0x560 [ 41.314955][ T432] addrconf_f6i_alloc+0x265/0x560 [ 41.315176][ T432] ? __pfx_addrconf_f6i_alloc+0x10/0x10 [ 41.315321][ T432] ? do_raw_write_lock+0x122/0x3b0 [ 41.315459][ T432] ? __pfx_do_raw_write_lock+0x10/0x10 [ 41.315597][ T432] ? lock_acquire+0x32/0xc0 [ 41.315736][ T432] __ipv6_dev_ac_inc+0x25f/0xb10 [ 41.315955][ T432] addrconf_join_anycast+0x1c0/0x220 [ 41.316095][ T432] ? mark_lock+0x38/0x3e0 [ 41.316204][ T432] ? __pfx_addrconf_join_anycast+0x10/0x10 [ 41.316376][ T432] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 41.316631][ T432] dev_forward_change+0x2a6/0x7b0 [ 41.316771][ T432] ? __pfx_dev_forward_change+0x10/0x10 [ 41.316911][ T432] addrconf_fixup_forwarding+0x23f/0x460 [ 41.317055][ T432] addrconf_sysctl_forward+0x212/0x2b0 [ 41.317306][ T432] ? __pfx_addrconf_sysctl_forward+0x10/0x10 [ 41.317495][ T432] ? __pfx_addrconf_sysctl_forward+0x10/0x10 [ 41.317680][ T432] ? trace_kmalloc+0x2a/0xe0 [ 41.317830][ T432] ? __kmalloc_node+0x220/0x400 [ 41.318065][ T432] ? proc_sys_call_handler+0x30b/0x5e0 [ 41.318203][ T432] proc_sys_call_handler+0x403/0x5e0 [ 41.318346][ T432] ? __pfx_proc_sys_call_handler+0x10/0x10 [ 41.318517][ T432] ? __lock_acquire+0xaf0/0x1570 [ 41.318656][ T432] vfs_write+0x9e5/0x10a0 [ 41.318760][ T432] ? do_user_addr_fault+0x449/0xbe0 [ 41.318898][ T432] ? __pfx_vfs_write+0x10/0x10 [ 41.319038][ T432] ? find_held_lock+0x2c/0x110 [ 41.319261][ T432] ? __pfx___lock_release+0x10/0x10 [ 41.319400][ T432] ? __fget_light+0x53/0x1e0 [ 41.319540][ T432] ksys_write+0xf5/0x1e0 [ 41.319645][ T432] ? __pfx_ksys_write+0x10/0x10 [ 41.319784][ T432] ? do_user_addr_fault+0x4bd/0xbe0 [ 41.320002][ T432] do_syscall_64+0xc6/0x1e0 [ 41.320144][ T432] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 41.320316][ T432] RIP: 0033:0x7efe83372957 [ 41.320465][ 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 [ 41.320952][ T432] RSP: 002b:00007ffd9aa659d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.321252][ T432] RAX: ffffffffffffffda RBX: 0000557e40e0b360 RCX: 00007efe83372957 [ 41.321461][ T432] RDX: 0000000000000002 RSI: 0000557e40e0b3a0 RDI: 0000000000000005 [ 41.321676][ T432] RBP: 0000557e40e0d4d0 R08: 0000000000000003 R09: 0000000000000077 [ 41.321969][ T432] R10: 000000000000006b R11: 0000000000000246 R12: 0000000000000002 [ 41.322282][ T432] R13: 0000000000000002 R14: 0000000000000002 R15: 00007efe834299c0 [ 41.322496][ T432] [ 52.998566][ T479] veth7: left promiscuous mode [ 52.999037][ T479] veth7: left allmulticast mode [ 53.000285][ T479] lag2: Port device veth7 removed [ 68.637157][ T508] veth7: entered promiscuous mode [ 68.637507][ T508] veth7: entered allmulticast mode [ 68.638252][ T508] lag2: Port device veth7 added [ 68.947341][ T511] veth1: left promiscuous mode [ 68.947778][ T511] veth1: left allmulticast mode [ 68.950094][ T511] lag2: Port device veth1 removed [ 84.462353][ T7] br1: port 1(lag2.100) entered disabled state [ 84.469298][ T7] br2: port 1(lag2.200) entered disabled state [ 84.567287][ T541] veth7: left promiscuous mode [ 84.567700][ T541] veth7: left allmulticast mode [ 84.568965][ T541] lag2: Port device veth7 removed [ 84.909598][ T544] veth1: entered promiscuous mode [ 84.910196][ T544] veth1: entered allmulticast mode [ 84.911316][ T544] lag2: Port device veth1 added [ 84.939971][ T7] br1: port 1(lag2.100) entered blocking state [ 84.940301][ T7] br1: port 1(lag2.100) entered forwarding state [ 84.941252][ T7] br2: port 1(lag2.200) entered blocking state [ 84.941544][ T7] br2: port 1(lag2.200) entered forwarding state [ 84.944432][ T7] br1: port 1(lag2.100) entered disabled state [ 84.945833][ T7] br2: port 1(lag2.200) entered disabled state [ 84.950340][ T51] br1: port 1(lag2.100) entered blocking state [ 84.950540][ T51] br1: port 1(lag2.100) entered forwarding state [ 84.951082][ T51] br2: port 1(lag2.200) entered blocking state [ 84.951264][ T51] br2: port 1(lag2.200) entered forwarding state [ 85.237328][ T547] veth7: entered promiscuous mode [ 85.237689][ T547] veth7: entered allmulticast mode [ 85.238450][ T547] lag2: Port device veth7 added [ 100.824026][ T575] lag2.200: left allmulticast mode [ 100.824212][ T575] lag2.200: left promiscuous mode [ 100.824737][ T575] br2: port 1(lag2.200) entered disabled state [ 100.925863][ T576] lag2.100: left allmulticast mode [ 100.926065][ T576] lag2: left allmulticast mode [ 100.926261][ T576] veth1: left allmulticast mode [ 100.926411][ T576] veth7: left allmulticast mode [ 100.926566][ T576] lag2.100: left promiscuous mode [ 100.926699][ T576] lag2: left promiscuous mode [ 100.926841][ T576] veth1: left promiscuous mode [ 100.927237][ T576] veth7: left promiscuous mode [ 100.927921][ T576] br1: port 1(lag2.100) entered disabled state [ 103.116385][ T578] br1: port 1(lag2.100) entered blocking state [ 103.116609][ T578] br1: port 1(lag2.100) entered disabled state [ 103.116821][ T578] lag2.100: entered allmulticast mode [ 103.116978][ T578] lag2: entered allmulticast mode [ 103.117123][ T578] veth1: entered allmulticast mode [ 103.117271][ T578] veth7: entered allmulticast mode [ 103.118819][ T578] lag2.100: entered promiscuous mode [ 103.118977][ T578] lag2: entered promiscuous mode [ 103.119116][ T578] veth1: entered promiscuous mode [ 103.119470][ T578] veth7: entered promiscuous mode [ 103.120553][ T578] br1: port 1(lag2.100) entered blocking state [ 103.120743][ T578] br1: port 1(lag2.100) entered forwarding state [ 103.213789][ T579] br2: port 1(lag2.200) entered blocking state [ 103.214667][ T579] br2: port 1(lag2.200) entered disabled state [ 103.214993][ T579] lag2.200: entered allmulticast mode [ 103.216619][ T579] lag2.200: entered promiscuous mode [ 103.217657][ T579] br2: port 1(lag2.200) entered blocking state [ 103.217866][ T579] br2: port 1(lag2.200) entered forwarding state [ 118.788348][ T607] lag3: Port device veth2 removed [ 134.464539][ T636] lag3: Port device veth2 added [ 134.766250][ T639] lag3: Port device veth4 removed [ 150.364838][ T668] lag3: Port device veth2 removed [ 150.659533][ T671] lag3: Port device veth4 added [ 150.980391][ T674] lag3: Port device veth2 added [ 167.514241][ T714] lag3: Port device veth4 removed [ 167.632812][ T715] lag3: Port device veth2 removed [ 168.368488][ T727] br2: port 1(lag2.200) entered disabled state [ 168.468980][ T728] br1: port 1(lag2.100) entered disabled state [ 168.773971][ T731] lag2.200: left allmulticast mode [ 168.774143][ T731] lag2.200: left promiscuous mode [ 168.774699][ T731] br2: port 1(lag2.200) entered disabled state [ 169.010434][ T733] lag2.100: left allmulticast mode [ 169.010636][ T733] lag2: left allmulticast mode [ 169.010811][ T733] veth1: left allmulticast mode [ 169.010992][ T733] veth7: left allmulticast mode [ 169.011171][ T733] lag2.100: left promiscuous mode [ 169.011331][ T733] lag2: left promiscuous mode [ 169.011483][ T733] veth1: left promiscuous mode [ 169.011860][ T733] veth7: left promiscuous mode [ 169.012522][ T733] br1: port 1(lag2.100) entered disabled state [ 169.486026][ T737] lag2: Port device veth7 removed [ 169.601976][ T738] lag2: Port device veth1 removed [ 171.320840][ T753] lag4: Port device veth5 removed [ 171.429276][ T754] lag4: Port device veth3 removed [ 173.240398][ T771] lag1: Port device veth6 removed [ 173.340650][ T772] lag1: Port device veth0 removed