[ 24.334885][ T239] ip (239) used greatest stack depth: 23328 bytes left [ 27.674114][ T286] lag1: Mode changed to "loadbalance" [ 28.343165][ T295] lag1: Port device veth0 added [ 28.453852][ T296] lag1: Port device veth6 added [ 29.764556][ T308] 8021q: 802.1Q VLAN Support v1.8 [ 29.765020][ T308] 8021q: adding VLAN 0 to HW filter on device lag1 [ 31.474441][ T327] lag4: Mode changed to "loadbalance" [ 31.581162][ T328] 8021q: adding VLAN 0 to HW filter on device lag4 [ 32.075731][ T335] lag4: Port device veth3 added [ 32.194177][ T336] lag4: Port device veth5 added [ 32.808101][ T342] 8021q: adding VLAN 0 to HW filter on device lag4 [ 35.037782][ T365] lag2: Mode changed to "loadbalance" [ 35.151059][ T366] 8021q: adding VLAN 0 to HW filter on device lag2 [ 35.623360][ T373] lag2: Port device veth1 added [ 35.744409][ T374] lag2: Port device veth7 added [ 36.975730][ T388] br1: port 1(lag2.100) entered blocking state [ 36.975984][ T388] br1: port 1(lag2.100) entered disabled state [ 36.976328][ T388] lag2.100: entered allmulticast mode [ 36.976496][ T388] lag2: entered allmulticast mode [ 36.976693][ T388] veth1: entered allmulticast mode [ 36.976965][ T388] veth7: entered allmulticast mode [ 36.979852][ T388] lag2.100: entered promiscuous mode [ 36.980035][ T388] lag2: entered promiscuous mode [ 36.980235][ T388] veth1: entered promiscuous mode [ 36.980702][ T388] veth7: entered promiscuous mode [ 37.500741][ T395] br2: port 1(lag2.200) entered blocking state [ 37.501017][ T395] br2: port 1(lag2.200) entered disabled state [ 37.501276][ T395] lag2.200: entered allmulticast mode [ 37.503868][ T395] lag2.200: entered promiscuous mode [ 37.855654][ T398] br1: port 1(lag2.100) entered blocking state [ 37.856088][ T398] br1: port 1(lag2.100) entered forwarding state [ 37.999251][ T399] br2: port 1(lag2.200) entered blocking state [ 37.999557][ T399] br2: port 1(lag2.200) entered forwarding state [ 38.681510][ T407] lag3: Mode changed to "loadbalance" [ 38.805471][ T408] 8021q: adding VLAN 0 to HW filter on device lag3 [ 39.303713][ T415] lag3: Port device veth2 added [ 39.428416][ T416] lag3: Port device veth4 added [ 41.097709][ T432] [ 41.097833][ T432] ===================================================== [ 41.098026][ T432] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 41.098256][ T432] 6.9.0-rc1-virtme #1 Not tainted [ 41.098416][ T432] ----------------------------------------------------- [ 41.098625][ T432] sysctl/432 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 41.098851][ T432] ffff88800573cee8 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 41.099128][ T432] [ 41.099128][ T432] and this task is already holding: [ 41.099349][ T432] ffff88800285ed80 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 41.099625][ T432] which would create a new lock dependency: [ 41.099815][ T432] (&ndev->lock){++--}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 41.100046][ T432] [ 41.100046][ T432] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 41.100320][ T432] (&ndev->lock){++--}-{2:2} [ 41.100324][ T432] [ 41.100324][ T432] ... which became SOFTIRQ-irq-safe at: [ 41.100695][ T432] __lock_acquire+0x797/0x1570 [ 41.100861][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.101012][ T432] _raw_write_lock+0x30/0x40 [ 41.101169][ T432] addrconf_rs_timer+0xa9/0x730 [ 41.101320][ T432] call_timer_fn+0x13b/0x230 [ 41.101482][ T432] __run_timers+0x545/0x810 [ 41.101633][ T432] run_timer_softirq+0xe8/0x1b0 [ 41.101794][ T432] __do_softirq+0x1f8/0x5df [ 41.101948][ T432] irq_exit_rcu+0x97/0xc0 [ 41.102100][ T432] sysvec_apic_timer_interrupt+0x75/0x80 [ 41.102259][ T432] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 41.102449][ T432] default_idle+0xf/0x20 [ 41.102568][ T432] default_idle_call+0x6d/0xb0 [ 41.102718][ T432] cpuidle_idle_call+0x1f4/0x280 [ 41.102873][ T432] do_idle+0xf9/0x160 [ 41.102996][ T432] cpu_startup_entry+0x54/0x60 [ 41.103148][ T432] rest_init+0x14f/0x260 [ 41.103271][ T432] start_kernel+0x318/0x3d0 [ 41.103444][ T432] x86_64_start_reservations+0x18/0x30 [ 41.103627][ T432] x86_64_start_kernel+0xba/0x110 [ 41.103791][ T432] common_startup_64+0x12c/0x138 [ 41.103968][ T432] [ 41.103968][ T432] to a SOFTIRQ-irq-unsafe lock: [ 41.104171][ T432] (&p->alloc_lock){+.+.}-{2:2} [ 41.104175][ T432] [ 41.104175][ T432] ... which became SOFTIRQ-irq-unsafe at: [ 41.104567][ T432] ... [ 41.104569][ T432] __lock_acquire+0x797/0x1570 [ 41.104828][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.104979][ T432] _raw_spin_lock+0x30/0x40 [ 41.105130][ T432] set_mems_allowed+0x1d/0x210 [ 41.105280][ T432] kernel_init_freeable+0x72/0x310 [ 41.105430][ T432] kernel_init+0x20/0x200 [ 41.105583][ T432] ret_from_fork+0x31/0x70 [ 41.105734][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.105906][ T432] [ 41.105906][ T432] other info that might help us debug this: [ 41.105906][ T432] [ 41.106203][ T432] Possible interrupt unsafe locking scenario: [ 41.106203][ T432] [ 41.106456][ T432] CPU0 CPU1 [ 41.106607][ T432] ---- ---- [ 41.106761][ T432] lock(&p->alloc_lock); [ 41.106879][ T432] local_irq_disable(); [ 41.107062][ T432] lock(&ndev->lock); [ 41.107250][ T432] lock(&p->alloc_lock); [ 41.107438][ T432] [ 41.107565][ T432] lock(&ndev->lock); [ 41.107683][ T432] [ 41.107683][ T432] *** DEADLOCK *** [ 41.107683][ T432] [ 41.107900][ T432] 3 locks held by sysctl/432: [ 41.108051][ T432] #0: ffff8880185613f0 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0xf5/0x1e0 [ 41.108326][ T432] #1: ffffffff873969c8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_fixup_forwarding+0x20/0x460 [ 41.108643][ T432] #2: ffff88800285ed80 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 41.108910][ T432] [ 41.108910][ T432] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 41.109202][ T432] -> (&ndev->lock){++--}-{2:2} { [ 41.109359][ T432] HARDIRQ-ON-W at: [ 41.109482][ T432] __lock_acquire+0x797/0x1570 [ 41.109679][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.109881][ T432] _raw_write_lock_bh+0x38/0x50 [ 41.110073][ T432] addrconf_permanent_addr+0x6e/0x670 [ 41.110294][ T432] addrconf_notify+0x749/0xd60 [ 41.110501][ T432] notifier_call_chain+0xcd/0x150 [ 41.110704][ T432] __dev_notify_flags+0xe6/0x250 [ 41.110919][ T432] dev_change_flags+0xec/0x160 [ 41.111129][ T432] do_setlink+0x7d6/0x21e0 [ 41.111350][ T432] __rtnl_newlink+0xaa7/0xd80 [ 41.111571][ T432] rtnl_newlink+0x63/0xa0 [ 41.111792][ T432] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 41.111996][ T432] netlink_rcv_skb+0x130/0x360 [ 41.112202][ T432] netlink_unicast+0x449/0x710 [ 41.112397][ T432] netlink_sendmsg+0x723/0xbe0 [ 41.112614][ T432] ____sys_sendmsg+0x7b2/0xa10 [ 41.112834][ T432] ___sys_sendmsg+0xee/0x170 [ 41.113058][ T432] __sys_sendmsg+0xcd/0x170 [ 41.113267][ T432] do_syscall_64+0xc6/0x1e0 [ 41.113460][ T432] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 41.113703][ T432] HARDIRQ-ON-R at: [ 41.113831][ T432] __lock_acquire+0x797/0x1570 [ 41.114023][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.114219][ T432] _raw_read_lock_bh+0x44/0x80 [ 41.114427][ T432] inet6_fill_ifla6_attrs+0x516/0x740 [ 41.114627][ T432] inet6_fill_link_af+0x5e/0xe0 [ 41.114822][ T432] rtnl_fill_ifinfo+0x1612/0x29e0 [ 41.115018][ T432] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 41.115210][ T432] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 41.115444][ T432] rtmsg_ifinfo+0x5b/0xa0 [ 41.115633][ T432] register_netdevice+0x1177/0x1690 [ 41.115831][ T432] register_netdev+0x20/0x40 [ 41.116025][ T432] sit_init_net+0x250/0x4f0 [ 41.116222][ T432] ops_init+0x9b/0x560 [ 41.116380][ T432] register_pernet_operations+0x2db/0x710 [ 41.116614][ T432] register_pernet_device+0x2a/0x60 [ 41.116805][ T432] sit_init+0x23/0xe0 [ 41.116963][ T432] do_one_initcall+0x8d/0x1e0 [ 41.117157][ T432] do_initcalls+0x1b2/0x3e0 [ 41.117358][ T432] kernel_init_freeable+0x232/0x310 [ 41.117555][ T432] kernel_init+0x20/0x200 [ 41.117760][ T432] ret_from_fork+0x31/0x70 [ 41.117955][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.118149][ T432] IN-SOFTIRQ-W at: [ 41.118264][ T432] __lock_acquire+0x797/0x1570 [ 41.118464][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.118659][ T432] _raw_write_lock+0x30/0x40 [ 41.118854][ T432] addrconf_rs_timer+0xa9/0x730 [ 41.119048][ T432] call_timer_fn+0x13b/0x230 [ 41.119240][ T432] __run_timers+0x545/0x810 [ 41.119435][ T432] run_timer_softirq+0xe8/0x1b0 [ 41.119628][ T432] __do_softirq+0x1f8/0x5df [ 41.119820][ T432] irq_exit_rcu+0x97/0xc0 [ 41.120013][ T432] sysvec_apic_timer_interrupt+0x75/0x80 [ 41.120245][ T432] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 41.120483][ T432] default_idle+0xf/0x20 [ 41.120671][ T432] default_idle_call+0x6d/0xb0 [ 41.120866][ T432] cpuidle_idle_call+0x1f4/0x280 [ 41.121063][ T432] do_idle+0xf9/0x160 [ 41.121219][ T432] cpu_startup_entry+0x54/0x60 [ 41.121413][ T432] rest_init+0x14f/0x260 [ 41.121618][ T432] start_kernel+0x318/0x3d0 [ 41.121825][ T432] x86_64_start_reservations+0x18/0x30 [ 41.122019][ T432] x86_64_start_kernel+0xba/0x110 [ 41.122214][ T432] common_startup_64+0x12c/0x138 [ 41.122408][ T432] IN-SOFTIRQ-R at: [ 41.122532][ T432] __lock_acquire+0x797/0x1570 [ 41.122721][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.122914][ T432] _raw_read_lock_bh+0x44/0x80 [ 41.123108][ T432] ipv6_get_lladdr+0xa9/0x3e0 [ 41.123298][ T432] addrconf_rs_timer+0x24a/0x730 [ 41.123498][ T432] call_timer_fn+0x13b/0x230 [ 41.123695][ T432] __run_timers+0x545/0x810 [ 41.123882][ T432] run_timer_softirq+0xe8/0x1b0 [ 41.124074][ T432] __do_softirq+0x1f8/0x5df [ 41.124265][ T432] irq_exit_rcu+0x97/0xc0 [ 41.124487][ T432] sysvec_apic_timer_interrupt+0x75/0x80 [ 41.124732][ T432] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 41.124976][ T432] default_idle+0xf/0x20 [ 41.125185][ T432] default_idle_call+0x6d/0xb0 [ 41.125425][ T432] cpuidle_idle_call+0x1f4/0x280 [ 41.125615][ T432] do_idle+0xf9/0x160 [ 41.125782][ T432] cpu_startup_entry+0x54/0x60 [ 41.125986][ T432] rest_init+0x14f/0x260 [ 41.126185][ T432] start_kernel+0x318/0x3d0 [ 41.126387][ T432] x86_64_start_reservations+0x18/0x30 [ 41.126587][ T432] x86_64_start_kernel+0xba/0x110 [ 41.126778][ T432] common_startup_64+0x12c/0x138 [ 41.126968][ T432] INITIAL USE at: [ 41.127082][ T432] __lock_acquire+0x797/0x1570 [ 41.127272][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.127469][ T432] _raw_write_lock_bh+0x38/0x50 [ 41.127663][ T432] addrconf_permanent_addr+0x6e/0x670 [ 41.127940][ T432] addrconf_notify+0x749/0xd60 [ 41.128128][ T432] notifier_call_chain+0xcd/0x150 [ 41.128318][ T432] __dev_notify_flags+0xe6/0x250 [ 41.128513][ T432] dev_change_flags+0xec/0x160 [ 41.128796][ T432] do_setlink+0x7d6/0x21e0 [ 41.128983][ T432] __rtnl_newlink+0xaa7/0xd80 [ 41.129178][ T432] rtnl_newlink+0x63/0xa0 [ 41.129456][ T432] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 41.129653][ T432] netlink_rcv_skb+0x130/0x360 [ 41.129866][ T432] netlink_unicast+0x449/0x710 [ 41.130146][ T432] netlink_sendmsg+0x723/0xbe0 [ 41.130343][ T432] ____sys_sendmsg+0x7b2/0xa10 [ 41.130540][ T432] ___sys_sendmsg+0xee/0x170 [ 41.130738][ T432] __sys_sendmsg+0xcd/0x170 [ 41.131014][ T432] do_syscall_64+0xc6/0x1e0 [ 41.131207][ T432] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 41.131440][ T432] INITIAL READ USE at: [ 41.131641][ T432] __lock_acquire+0x797/0x1570 [ 41.131836][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.132024][ T432] _raw_read_lock_bh+0x44/0x80 [ 41.132218][ T432] inet6_fill_ifla6_attrs+0x516/0x740 [ 41.132656][ T432] inet6_fill_link_af+0x5e/0xe0 [ 41.132851][ T432] rtnl_fill_ifinfo+0x1612/0x29e0 [ 41.133070][ T432] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 41.133406][ T432] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 41.133650][ T432] rtmsg_ifinfo+0x5b/0xa0 [ 41.133887][ T432] register_netdevice+0x1177/0x1690 [ 41.134216][ T432] register_netdev+0x20/0x40 [ 41.134443][ T432] sit_init_net+0x250/0x4f0 [ 41.134644][ T432] ops_init+0x9b/0x560 [ 41.134930][ T432] register_pernet_operations+0x2db/0x710 [ 41.135158][ T432] register_pernet_device+0x2a/0x60 [ 41.135385][ T432] sit_init+0x23/0xe0 [ 41.135659][ T432] do_one_initcall+0x8d/0x1e0 [ 41.135929][ T432] do_initcalls+0x1b2/0x3e0 [ 41.136203][ T432] kernel_init_freeable+0x232/0x310 [ 41.136675][ T432] kernel_init+0x20/0x200 [ 41.136964][ T432] ret_from_fork+0x31/0x70 [ 41.137248][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.137527][ T432] } [ 41.137800][ T432] ... key at: [] __key.37+0x0/0x40 [ 41.138157][ T432] [ 41.138157][ T432] the dependencies between the lock to be acquired [ 41.138160][ T432] and SOFTIRQ-irq-unsafe lock: [ 41.138800][ T432] -> (&p->alloc_lock){+.+.}-{2:2} { [ 41.139043][ T432] HARDIRQ-ON-W at: [ 41.139226][ T432] __lock_acquire+0x797/0x1570 [ 41.139536][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.139976][ T432] _raw_spin_lock+0x30/0x40 [ 41.140275][ T432] set_mems_allowed+0x1d/0x210 [ 41.140588][ T432] kernel_init_freeable+0x72/0x310 [ 41.140881][ T432] kernel_init+0x20/0x200 [ 41.141327][ T432] ret_from_fork+0x31/0x70 [ 41.141631][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.141933][ T432] SOFTIRQ-ON-W at: [ 41.142118][ T432] __lock_acquire+0x797/0x1570 [ 41.142570][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.142871][ T432] _raw_spin_lock+0x30/0x40 [ 41.143164][ T432] set_mems_allowed+0x1d/0x210 [ 41.143608][ T432] kernel_init_freeable+0x72/0x310 [ 41.143915][ T432] kernel_init+0x20/0x200 [ 41.144213][ T432] ret_from_fork+0x31/0x70 [ 41.144676][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.144982][ T432] INITIAL USE at: [ 41.145164][ T432] __lock_acquire+0x797/0x1570 [ 41.145458][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.145909][ T432] _raw_spin_lock+0x30/0x40 [ 41.146207][ T432] set_mems_allowed+0x1d/0x210 [ 41.146501][ T432] kernel_init_freeable+0x72/0x310 [ 41.146798][ T432] kernel_init+0x20/0x200 [ 41.147101][ T432] ret_from_fork+0x31/0x70 [ 41.147400][ T432] ret_from_fork_asm+0x1a/0x30 [ 41.147701][ T432] } [ 41.147827][ T432] ... key at: [] __key.387+0x0/0x40 [ 41.148330][ T432] ... acquired at: [ 41.148523][ T432] check_prev_add+0x194/0xce0 [ 41.148765][ T432] validate_chain+0x71d/0x9b0 [ 41.149010][ T432] __lock_acquire+0xaf0/0x1570 [ 41.149545][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.149775][ T432] _raw_spin_lock+0x30/0x40 [ 41.150003][ T432] __get_task_comm+0x27/0x70 [ 41.150236][ T432] ref_tracker_alloc+0x2ee/0x490 [ 41.150605][ T432] netdev_get_by_index+0x5e/0x80 [ 41.150832][ T432] fib6_nh_init+0x3d8/0x15b0 [ 41.151065][ T432] ip6_route_info_create+0xf18/0x17d0 [ 41.151291][ T432] addrconf_f6i_alloc+0x265/0x560 [ 41.151666][ T432] __ipv6_dev_ac_inc+0x25f/0xb10 [ 41.151927][ T432] addrconf_join_anycast+0x1c0/0x220 [ 41.152156][ T432] dev_forward_change+0x2a6/0x7b0 [ 41.152380][ T432] addrconf_fixup_forwarding+0x23f/0x460 [ 41.152808][ T432] addrconf_sysctl_forward+0x212/0x2b0 [ 41.153032][ T432] proc_sys_call_handler+0x403/0x5e0 [ 41.153259][ T432] vfs_write+0x9e5/0x10a0 [ 41.153493][ T432] ksys_write+0xf5/0x1e0 [ 41.153721][ T432] do_syscall_64+0xc6/0x1e0 [ 41.153944][ T432] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 41.154224][ T432] [ 41.154340][ T432] [ 41.154340][ T432] stack backtrace: [ 41.154632][ T432] CPU: 1 PID: 432 Comm: sysctl Not tainted 6.9.0-rc1-virtme #1 [ 41.155138][ T432] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 41.155676][ T432] Call Trace: [ 41.155852][ T432] [ 41.155979][ T432] dump_stack_lvl+0x82/0xd0 [ 41.156229][ T432] print_bad_irq_dependency+0x957/0xd40 [ 41.156471][ T432] ? hlock_class+0x4e/0x130 [ 41.156715][ T432] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 41.157153][ T432] ? __pfx_usage_skip+0x10/0x10 [ 41.157385][ T432] ? __bfs+0x246/0x650 [ 41.157569][ T432] ? __pfx_usage_match+0x10/0x10 [ 41.157815][ T432] check_irq_usage+0x596/0x850 [ 41.158202][ T432] ? __pfx_check_irq_usage+0x10/0x10 [ 41.158437][ T432] ? __bfs+0x246/0x650 [ 41.158618][ T432] ? __pfx_hlock_conflict+0x10/0x10 [ 41.158862][ T432] ? check_path.constprop.0+0x24/0x50 [ 41.159106][ T432] ? check_noncircular+0x14c/0x3e0 [ 41.159509][ T432] ? __pfx_check_noncircular+0x10/0x10 [ 41.159748][ T432] ? check_prev_add+0x194/0xce0 [ 41.159995][ T432] check_prev_add+0x194/0xce0 [ 41.160234][ T432] ? validate_chain+0x130/0x9b0 [ 41.160622][ T432] validate_chain+0x71d/0x9b0 [ 41.160855][ T432] ? mark_lock+0x38/0x3e0 [ 41.161035][ T432] ? __pfx_validate_chain+0x10/0x10 [ 41.161270][ T432] ? hlock_class+0x4e/0x130 [ 41.161512][ T432] ? mark_lock+0x38/0x3e0 [ 41.161840][ T432] __lock_acquire+0xaf0/0x1570 [ 41.162087][ T432] lock_acquire.part.0+0xeb/0x330 [ 41.162329][ T432] ? __get_task_comm+0x27/0x70 [ 41.162574][ T432] ? mark_lock+0x38/0x3e0 [ 41.162759][ T432] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 41.162992][ T432] ? trace_lock_acquire+0x135/0x1c0 [ 41.163226][ T432] ? __get_task_comm+0x27/0x70 [ 41.163469][ T432] ? lock_acquire+0x32/0xc0 [ 41.163710][ T432] ? __get_task_comm+0x27/0x70 [ 41.164089][ T432] _raw_spin_lock+0x30/0x40 [ 41.164333][ T432] ? __get_task_comm+0x27/0x70 [ 41.164586][ T432] __get_task_comm+0x27/0x70 [ 41.164823][ T432] ref_tracker_alloc+0x2ee/0x490 [ 41.165201][ T432] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 41.165429][ T432] ? dev_get_by_index+0x177/0x270 [ 41.165668][ T432] ? netdev_get_by_index+0x5e/0x80 [ 41.165902][ T432] ? fib6_nh_init+0x3d8/0x15b0 [ 41.166283][ T432] ? ip6_route_info_create+0xf18/0x17d0 [ 41.166521][ T432] ? addrconf_f6i_alloc+0x265/0x560 [ 41.166767][ T432] ? __ipv6_dev_ac_inc+0x25f/0xb10 [ 41.167006][ T432] ? addrconf_join_anycast+0x1c0/0x220 [ 41.167525][ T432] ? dev_forward_change+0x2a6/0x7b0 [ 41.167762][ T432] ? addrconf_fixup_forwarding+0x23f/0x460 [ 41.168058][ T432] ? addrconf_sysctl_forward+0x212/0x2b0 [ 41.168288][ T432] ? proc_sys_call_handler+0x403/0x5e0 [ 41.168663][ T432] ? vfs_write+0x9e5/0x10a0 [ 41.168910][ T432] ? ksys_write+0xf5/0x1e0 [ 41.169145][ T432] ? do_syscall_64+0xc6/0x1e0 [ 41.169372][ T432] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 41.169813][ T432] ? dev_get_by_index+0x177/0x270 [ 41.170062][ T432] netdev_get_by_index+0x5e/0x80 [ 41.170306][ T432] fib6_nh_init+0x3d8/0x15b0 [ 41.170535][ T432] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 41.170827][ T432] ? __pfx_fib6_nh_init+0x10/0x10 [ 41.171070][ T432] ? kasan_save_track+0x14/0x30 [ 41.171305][ T432] ? __kasan_kmalloc+0x7f/0x90 [ 41.171540][ T432] ? __kmalloc+0x1d7/0x3c0 [ 41.171775][ T432] ? fib6_get_table+0x116/0x290 [ 41.172157][ T432] ip6_route_info_create+0xf18/0x17d0 [ 41.172395][ T432] ? __lock_release+0x103/0x460 [ 41.172637][ T432] ? __pfx_ip6_route_info_create+0x10/0x10 [ 41.172930][ T432] ? addrconf_f6i_alloc+0x12d/0x560 [ 41.173311][ T432] addrconf_f6i_alloc+0x265/0x560 [ 41.173545][ T432] ? __pfx_addrconf_f6i_alloc+0x10/0x10 [ 41.173779][ T432] ? do_raw_write_lock+0x122/0x3b0 [ 41.174005][ T432] ? __pfx_do_raw_write_lock+0x10/0x10 [ 41.174371][ T432] ? lock_acquire+0x32/0xc0 [ 41.174617][ T432] __ipv6_dev_ac_inc+0x25f/0xb10 [ 41.174859][ T432] addrconf_join_anycast+0x1c0/0x220 [ 41.175102][ T432] ? mark_lock+0x38/0x3e0 [ 41.175441][ T432] ? __pfx_addrconf_join_anycast+0x10/0x10 [ 41.175734][ T432] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 41.176019][ T432] dev_forward_change+0x2a6/0x7b0 [ 41.176248][ T432] ? __pfx_dev_forward_change+0x10/0x10 [ 41.176621][ T432] addrconf_fixup_forwarding+0x23f/0x460 [ 41.176856][ T432] addrconf_sysctl_forward+0x212/0x2b0 [ 41.177082][ T432] ? __pfx_addrconf_sysctl_forward+0x10/0x10 [ 41.177375][ T432] ? __pfx_addrconf_sysctl_forward+0x10/0x10 [ 41.177802][ T432] ? trace_kmalloc+0x2a/0xe0 [ 41.178031][ T432] ? __kmalloc_node+0x220/0x400 [ 41.178258][ T432] ? proc_sys_call_handler+0x30b/0x5e0 [ 41.178492][ T432] proc_sys_call_handler+0x403/0x5e0 [ 41.178723][ T432] ? __pfx_proc_sys_call_handler+0x10/0x10 [ 41.179009][ T432] ? __lock_acquire+0xaf0/0x1570 [ 41.179236][ T432] vfs_write+0x9e5/0x10a0 [ 41.179416][ T432] ? do_user_addr_fault+0x449/0xbe0 [ 41.179793][ T432] ? __pfx_vfs_write+0x10/0x10 [ 41.180022][ T432] ? find_held_lock+0x2c/0x110 [ 41.180256][ T432] ? __pfx___lock_release+0x10/0x10 [ 41.180489][ T432] ? __fget_light+0x53/0x1e0 [ 41.180721][ T432] ksys_write+0xf5/0x1e0 [ 41.180891][ T432] ? __pfx_ksys_write+0x10/0x10 [ 41.181119][ T432] ? do_user_addr_fault+0x4bd/0xbe0 [ 41.181348][ T432] do_syscall_64+0xc6/0x1e0 [ 41.181590][ T432] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 41.182033][ T432] RIP: 0033:0x7f3166a65957 [ 41.182277][ 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 [ 41.183279][ T432] RSP: 002b:00007ffcbcbba658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.183650][ T432] RAX: ffffffffffffffda RBX: 000056210d144360 RCX: 00007f3166a65957 [ 41.183971][ T432] RDX: 0000000000000002 RSI: 000056210d1443a0 RDI: 0000000000000005 [ 41.184287][ T432] RBP: 000056210d1464d0 R08: 0000000000000003 R09: 0000000000000077 [ 41.184529][ T432] R10: 000000000000006b R11: 0000000000000246 R12: 0000000000000002 [ 41.184769][ T432] R13: 0000000000000002 R14: 0000000000000002 R15: 00007f3166b1c9c0 [ 41.185177][ T432] [ 52.861518][ T479] veth7: left promiscuous mode [ 52.862036][ T479] veth7: left allmulticast mode [ 52.863239][ T479] lag2: Port device veth7 removed [ 68.433397][ T508] veth7: entered promiscuous mode [ 68.433744][ T508] veth7: entered allmulticast mode [ 68.434490][ T508] lag2: Port device veth7 added [ 68.724080][ T511] veth1: left promiscuous mode [ 68.724474][ T511] veth1: left allmulticast mode [ 68.726364][ T511] lag2: Port device veth1 removed [ 84.288653][ T24] br1: port 1(lag2.100) entered disabled state [ 84.290795][ T24] br2: port 1(lag2.200) entered disabled state [ 84.394494][ T541] veth7: left promiscuous mode [ 84.395010][ T541] veth7: left allmulticast mode [ 84.396136][ T541] lag2: Port device veth7 removed [ 84.688140][ T544] veth1: entered promiscuous mode [ 84.688484][ T544] veth1: entered allmulticast mode [ 84.689180][ T544] lag2: Port device veth1 added [ 84.713462][ T7] br1: port 1(lag2.100) entered blocking state [ 84.713665][ T7] br1: port 1(lag2.100) entered forwarding state [ 84.714321][ T7] br2: port 1(lag2.200) entered blocking state [ 84.714501][ T7] br2: port 1(lag2.200) entered forwarding state [ 84.998719][ T547] veth7: entered promiscuous mode [ 84.999109][ T547] veth7: entered allmulticast mode [ 84.999840][ T547] lag2: Port device veth7 added [ 100.478920][ T575] lag2.200: left allmulticast mode [ 100.479099][ T575] lag2.200: left promiscuous mode [ 100.479593][ T575] br2: port 1(lag2.200) entered disabled state [ 100.584232][ T577] lag2.100: left allmulticast mode [ 100.584407][ T577] lag2: left allmulticast mode [ 100.584562][ T577] veth1: left allmulticast mode [ 100.585251][ T577] veth7: left allmulticast mode [ 100.585407][ T577] lag2.100: left promiscuous mode [ 100.585557][ T577] lag2: left promiscuous mode [ 100.585719][ T577] veth1: left promiscuous mode [ 100.586095][ T577] veth7: left promiscuous mode [ 100.586772][ T577] br1: port 1(lag2.100) entered disabled state [ 102.755635][ T579] br1: port 1(lag2.100) entered blocking state [ 102.756259][ T579] br1: port 1(lag2.100) entered disabled state [ 102.756465][ T579] lag2.100: entered allmulticast mode [ 102.756607][ T579] lag2: entered allmulticast mode [ 102.756774][ T579] veth1: entered allmulticast mode [ 102.756937][ T579] veth7: entered allmulticast mode [ 102.758452][ T579] lag2.100: entered promiscuous mode [ 102.758607][ T579] lag2: entered promiscuous mode [ 102.758758][ T579] veth1: entered promiscuous mode [ 102.759094][ T579] veth7: entered promiscuous mode [ 102.760266][ T579] br1: port 1(lag2.100) entered blocking state [ 102.760454][ T579] br1: port 1(lag2.100) entered forwarding state [ 102.857590][ T580] br2: port 1(lag2.200) entered blocking state [ 102.857806][ T580] br2: port 1(lag2.200) entered disabled state [ 102.858009][ T580] lag2.200: entered allmulticast mode [ 102.859509][ T580] lag2.200: entered promiscuous mode [ 102.860385][ T580] br2: port 1(lag2.200) entered blocking state [ 102.860560][ T580] br2: port 1(lag2.200) entered forwarding state [ 118.341941][ T608] lag3: Port device veth2 removed [ 133.946076][ T637] lag3: Port device veth2 added [ 134.262441][ T640] lag3: Port device veth4 removed [ 149.856393][ T669] lag3: Port device veth2 removed [ 150.156748][ T672] lag3: Port device veth4 added [ 150.459719][ T675] lag3: Port device veth2 added [ 166.964026][ T715] lag3: Port device veth4 removed [ 167.064460][ T716] lag3: Port device veth2 removed [ 167.779575][ T727] br2: port 1(lag2.200) entered disabled state [ 167.878303][ T728] br1: port 1(lag2.100) entered disabled state [ 168.157800][ T731] lag2.200: left allmulticast mode [ 168.157969][ T731] lag2.200: left promiscuous mode [ 168.158481][ T731] br2: port 1(lag2.200) entered disabled state [ 168.383464][ T733] lag2.100: left allmulticast mode [ 168.383627][ T733] lag2: left allmulticast mode [ 168.383797][ T733] veth1: left allmulticast mode [ 168.383955][ T733] veth7: left allmulticast mode [ 168.384102][ T733] lag2.100: left promiscuous mode [ 168.384235][ T733] lag2: left promiscuous mode [ 168.384373][ T733] veth1: left promiscuous mode [ 168.384734][ T733] veth7: left promiscuous mode [ 168.385326][ T733] br1: port 1(lag2.100) entered disabled state [ 168.837810][ T737] lag2: Port device veth7 removed [ 168.936229][ T738] lag2: Port device veth1 removed [ 170.679839][ T756] lag4: Port device veth5 removed [ 170.782462][ T757] lag4: Port device veth3 removed [ 172.467545][ T772] lag1: Port device veth6 removed [ 172.569477][ T773] lag1: Port device veth0 removed