[ 90.826645][ T673] veth0: entered allmulticast mode
[ 90.827131][ T673] veth1: entered allmulticast mode
[ 90.827482][ T673] veth2: entered allmulticast mode
[ 90.827807][ T673] veth3: entered allmulticast mode
[ 90.828149][ T673] veth4: entered allmulticast mode
[ 90.828494][ T673] veth5: entered allmulticast mode
[ 97.283685][ T735]
[ 97.283898][ T735] =====================================================
[ 97.284075][ T735] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected
[ 97.284280][ T735] 6.9.0-rc1-virtme #1 Not tainted
[ 97.284419][ T735] -----------------------------------------------------
[ 97.284596][ T735] sysctl/735 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire:
[ 97.284800][ T735] ffff88800552cee8 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70
[ 97.285054][ T735]
[ 97.285054][ T735] and this task is already holding:
[ 97.285254][ T735] ffff888005c8d580 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10
[ 97.285496][ T735] which would create a new lock dependency:
[ 97.285664][ T735] (&ndev->lock){++--}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2}
[ 97.285871][ T735]
[ 97.285871][ T735] but this new dependency connects a SOFTIRQ-irq-safe lock:
[ 97.286104][ T735] (&ndev->lock){++--}-{2:2}
[ 97.286108][ T735]
[ 97.286108][ T735] ... which became SOFTIRQ-irq-safe at:
[ 97.286440][ T735] __lock_acquire+0x797/0x1570
[ 97.286580][ T735] lock_acquire.part.0+0xeb/0x330
[ 97.286716][ T735] _raw_write_lock+0x30/0x40
[ 97.286854][ T735] addrconf_rs_timer+0xa9/0x730
[ 97.286990][ T735] call_timer_fn+0x13b/0x230
[ 97.287126][ T735] __run_timers+0x545/0x810
[ 97.287263][ T735] timer_expire_remote+0x9b/0xe0
[ 97.287417][ T735] tmigr_handle_remote_cpu+0x270/0x430
[ 97.287553][ T735] tmigr_handle_remote_up+0x19f/0x2e0
[ 97.287688][ T735] tmigr_handle_remote+0x21d/0x3a0
[ 97.287822][ T735] __do_softirq+0x1f8/0x5df
[ 97.287958][ T735] irq_exit_rcu+0x97/0xc0
[ 97.288094][ T735] sysvec_apic_timer_interrupt+0x75/0x80
[ 97.288228][ T735] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 97.288401][ T735] default_idle+0xf/0x20
[ 97.288504][ T735] default_idle_call+0x6d/0xb0
[ 97.288642][ T735] cpuidle_idle_call+0x1f4/0x280
[ 97.288791][ T735] do_idle+0xf9/0x160
[ 97.288894][ T735] cpu_startup_entry+0x54/0x60
[ 97.289030][ T735] start_secondary+0x21c/0x2b0
[ 97.289170][ T735] common_startup_64+0x12c/0x138
[ 97.289305][ T735]
[ 97.289305][ T735] to a SOFTIRQ-irq-unsafe lock:
[ 97.289478][ T735] (&p->alloc_lock){+.+.}-{2:2}
[ 97.289482][ T735]
[ 97.289482][ T735] ... which became SOFTIRQ-irq-unsafe at:
[ 97.289812][ T735] ...
[ 97.289814][ T735] __lock_acquire+0x797/0x1570
[ 97.290018][ T735] lock_acquire.part.0+0xeb/0x330
[ 97.290153][ T735] _raw_spin_lock+0x30/0x40
[ 97.290295][ T735] set_mems_allowed+0x1d/0x210
[ 97.290432][ T735] kernel_init_freeable+0x72/0x310
[ 97.290572][ T735] kernel_init+0x20/0x200
[ 97.290707][ T735] ret_from_fork+0x31/0x70
[ 97.290844][ T735] ret_from_fork_asm+0x1a/0x30
[ 97.290981][ T735]
[ 97.290981][ T735] other info that might help us debug this:
[ 97.290981][ T735]
[ 97.291243][ T735] Possible interrupt unsafe locking scenario:
[ 97.291243][ T735]
[ 97.291448][ T735] CPU0 CPU1
[ 97.291582][ T735] ---- ----
[ 97.291718][ T735] lock(&p->alloc_lock);
[ 97.291822][ T735] local_irq_disable();
[ 97.291989][ T735] lock(&ndev->lock);
[ 97.292161][ T735] lock(&p->alloc_lock);
[ 97.292329][ T735] <Interrupt>
[ 97.292432][ T735] lock(&ndev->lock);
[ 97.292544][ T735]
[ 97.292544][ T735] *** DEADLOCK ***
[ 97.292544][ T735]
[ 97.292746][ T735] 3 locks held by sysctl/735:
[ 97.292882][ T735] #0: ffff8880060443f0 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0xf5/0x1e0
[ 97.293131][ T735] #1: ffffffffaab969c8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_fixup_forwarding+0x20/0x460
[ 97.293408][ T735] #2: ffff888005c8d580 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10
[ 97.293654][ T735]
[ 97.293654][ T735] the dependencies between SOFTIRQ-irq-safe lock and the holding lock:
[ 97.293924][ T735] -> (&ndev->lock){++--}-{2:2} {
[ 97.294067][ T735] HARDIRQ-ON-W at:
[ 97.294171][ T735] __lock_acquire+0x797/0x1570
[ 97.294347][ T735] lock_acquire.part.0+0xeb/0x330
[ 97.294520][ T735] _raw_write_lock_bh+0x38/0x50
[ 97.294692][ T735] addrconf_permanent_addr+0x6e/0x670
[ 97.294866][ T735] addrconf_notify+0x749/0xd60
[ 97.295038][ T735] notifier_call_chain+0xcd/0x150
[ 97.295211][ T735] __dev_notify_flags+0xe6/0x250
[ 97.295381][ T735] dev_change_flags+0xec/0x160
[ 97.295552][ T735] do_setlink+0x7d6/0x21e0
[ 97.295725][ T735] __rtnl_newlink+0xaa7/0xd80
[ 97.295900][ T735] rtnl_newlink+0x63/0xa0
[ 97.296078][ T735] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 97.296251][ T735] netlink_rcv_skb+0x130/0x360
[ 97.296425][ T735] netlink_unicast+0x449/0x710
[ 97.296598][ T735] netlink_sendmsg+0x723/0xbe0
[ 97.296772][ T735] ____sys_sendmsg+0x7b2/0xa10
[ 97.296945][ T735] ___sys_sendmsg+0xee/0x170
[ 97.297119][ T735] __sys_sendmsg+0xcd/0x170
[ 97.297291][ T735] do_syscall_64+0xc6/0x1e0
[ 97.297483][ T735] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 97.297689][ T735] HARDIRQ-ON-R at:
[ 97.297799][ T735] __lock_acquire+0x797/0x1570
[ 97.297973][ T735] lock_acquire.part.0+0xeb/0x330
[ 97.298147][ T735] _raw_read_lock_bh+0x44/0x80
[ 97.298325][ T735] inet6_fill_ifla6_attrs+0x516/0x740
[ 97.298499][ T735] inet6_fill_link_af+0x5e/0xe0
[ 97.298672][ T735] rtnl_fill_ifinfo+0x1612/0x29e0
[ 97.298842][ T735] rtmsg_ifinfo_build_skb+0x13c/0x240
[ 97.299014][ T735] rtmsg_ifinfo_event.part.0+0x2d/0x120
[ 97.299222][ T735] rtmsg_ifinfo+0x5b/0xa0
[ 97.299395][ T735] register_netdevice+0x1177/0x1690
[ 97.299566][ T735] register_netdev+0x20/0x40
[ 97.299737][ T735] sit_init_net+0x250/0x4f0
[ 97.299917][ T735] ops_init+0x9b/0x560
[ 97.300054][ T735] register_pernet_operations+0x2db/0x710
[ 97.300258][ T735] register_pernet_device+0x2a/0x60
[ 97.300436][ T735] sit_init+0x23/0xe0
[ 97.300575][ T735] do_one_initcall+0x8d/0x1e0
[ 97.300748][ T735] do_initcalls+0x1b2/0x3e0
[ 97.300922][ T735] kernel_init_freeable+0x232/0x310
[ 97.301092][ T735] kernel_init+0x20/0x200
[ 97.301265][ T735] ret_from_fork+0x31/0x70
[ 97.301438][ T735] ret_from_fork_asm+0x1a/0x30
[ 97.301614][ T735] IN-SOFTIRQ-W at:
[ 97.301719][ T735] __lock_acquire+0x797/0x1570
[ 97.301890][ T735] lock_acquire.part.0+0xeb/0x330
[ 97.302063][ T735] _raw_write_lock+0x30/0x40
[ 97.302234][ T735] addrconf_rs_timer+0xa9/0x730
[ 97.302404][ T735] call_timer_fn+0x13b/0x230
[ 97.302583][ T735] __run_timers+0x545/0x810
[ 97.302759][ T735] timer_expire_remote+0x9b/0xe0
[ 97.302934][ T735] tmigr_handle_remote_cpu+0x270/0x430
[ 97.303108][ T735] tmigr_handle_remote_up+0x19f/0x2e0
[ 97.303281][ T735] tmigr_handle_remote+0x21d/0x3a0
[ 97.303454][ T735] __do_softirq+0x1f8/0x5df
[ 97.303629][ T735] irq_exit_rcu+0x97/0xc0
[ 97.303802][ T735] sysvec_apic_timer_interrupt+0x75/0x80
[ 97.304009][ T735] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 97.304214][ T735] default_idle+0xf/0x20
[ 97.304384][ T735] default_idle_call+0x6d/0xb0
[ 97.304559][ T735] cpuidle_idle_call+0x1f4/0x280
[ 97.304734][ T735] do_idle+0xf9/0x160
[ 97.304877][ T735] cpu_startup_entry+0x54/0x60
[ 97.305053][ T735] start_secondary+0x21c/0x2b0
[ 97.305227][ T735] common_startup_64+0x12c/0x138
[ 97.305399][ T735] IN-SOFTIRQ-R at:
[ 97.305501][ T735] __lock_acquire+0x797/0x1570
[ 97.305675][ T735] lock_acquire.part.0+0xeb/0x330
[ 97.305851][ T735] _raw_read_lock_bh+0x44/0x80
[ 97.306031][ T735] ipv6_get_lladdr+0xa9/0x3e0
[ 97.306205][ T735] addrconf_rs_timer+0x24a/0x730
[ 97.306376][ T735] call_timer_fn+0x13b/0x230
[ 97.306547][ T735] __run_timers+0x545/0x810
[ 97.306721][ T735] timer_expire_remote+0x9b/0xe0
[ 97.306895][ T735] tmigr_handle_remote_cpu+0x270/0x430
[ 97.307071][ T735] tmigr_handle_remote_up+0x19f/0x2e0
[ 97.307243][ T735] tmigr_handle_remote+0x21d/0x3a0
[ 97.307432][ T735] __do_softirq+0x1f8/0x5df
[ 97.307603][ T735] irq_exit_rcu+0x97/0xc0
[ 97.307774][ T735] sysvec_apic_timer_interrupt+0x75/0x80
[ 97.307982][ T735] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 97.308274][ T735] default_idle+0xf/0x20
[ 97.308445][ T735] default_idle_call+0x6d/0xb0
[ 97.308617][ T735] cpuidle_idle_call+0x1f4/0x280
[ 97.308869][ T735] do_idle+0xf9/0x160
[ 97.309006][ T735] cpu_startup_entry+0x54/0x60
[ 97.309179][ T735] start_secondary+0x21c/0x2b0
[ 97.309437][ T735] common_startup_64+0x12c/0x138
[ 97.309611][ T735] INITIAL USE at:
[ 97.309715][ T735] __lock_acquire+0x797/0x1570
[ 97.309887][ T735] lock_acquire.part.0+0xeb/0x330
[ 97.310146][ T735] _raw_write_lock_bh+0x38/0x50
[ 97.310321][ T735] addrconf_permanent_addr+0x6e/0x670
[ 97.310494][ T735] addrconf_notify+0x749/0xd60
[ 97.310668][ T735] notifier_call_chain+0xcd/0x150
[ 97.310920][ T735] __dev_notify_flags+0xe6/0x250
[ 97.311090][ T735] dev_change_flags+0xec/0x160
[ 97.311261][ T735] do_setlink+0x7d6/0x21e0
[ 97.311516][ T735] __rtnl_newlink+0xaa7/0xd80
[ 97.311691][ T735] rtnl_newlink+0x63/0xa0
[ 97.311865][ T735] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 97.312201][ T735] netlink_rcv_skb+0x130/0x360
[ 97.312372][ T735] netlink_unicast+0x449/0x710
[ 97.312545][ T735] netlink_sendmsg+0x723/0xbe0
[ 97.312719][ T735] ____sys_sendmsg+0x7b2/0xa10
[ 97.312974][ T735] ___sys_sendmsg+0xee/0x170
[ 97.313157][ T735] __sys_sendmsg+0xcd/0x170
[ 97.313334][ T735] do_syscall_64+0xc6/0x1e0
[ 97.313506][ T735] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 97.313712][ T735] INITIAL READ USE at:
[ 97.313815][ T735] __lock_acquire+0x797/0x1570
[ 97.313987][ T735] lock_acquire.part.0+0xeb/0x330
[ 97.314243][ T735] _raw_read_lock_bh+0x44/0x80
[ 97.314419][ T735] inet6_fill_ifla6_attrs+0x516/0x740
[ 97.314626][ T735] inet6_fill_link_af+0x5e/0xe0
[ 97.314879][ T735] rtnl_fill_ifinfo+0x1612/0x29e0
[ 97.315051][ T735] rtmsg_ifinfo_build_skb+0x13c/0x240
[ 97.315257][ T735] rtmsg_ifinfo_event.part.0+0x2d/0x120
[ 97.315544][ T735] rtmsg_ifinfo+0x5b/0xa0
[ 97.315718][ T735] register_netdevice+0x1177/0x1690
[ 97.315931][ T735] register_netdev+0x20/0x40
[ 97.316183][ T735] sit_init_net+0x250/0x4f0
[ 97.316363][ T735] ops_init+0x9b/0x560
[ 97.316535][ T735] register_pernet_operations+0x2db/0x710
[ 97.316822][ T735] register_pernet_device+0x2a/0x60
[ 97.317032][ T735] sit_init+0x23/0xe0
[ 97.317203][ T735] do_one_initcall+0x8d/0x1e0
[ 97.317394][ T735] do_initcalls+0x1b2/0x3e0
[ 97.317648][ T735] kernel_init_freeable+0x232/0x310
[ 97.317852][ T735] kernel_init+0x20/0x200
[ 97.318025][ T735] ret_from_fork+0x31/0x70
[ 97.318205][ T735] ret_from_fork_asm+0x1a/0x30
[ 97.318375][ T735] }
[ 97.318446][ T735] ... key at: [<ffffffffacc58300>] __key.37+0x0/0x40
[ 97.318655][ T735]
[ 97.318655][ T735] the dependencies between the lock to be acquired
[ 97.318656][ T735] and SOFTIRQ-irq-unsafe lock:
[ 97.319031][ T735] -> (&p->alloc_lock){+.+.}-{2:2} {
[ 97.319174][ T735] HARDIRQ-ON-W at:
[ 97.319282][ T735] __lock_acquire+0x797/0x1570
[ 97.319460][ T735] lock_acquire.part.0+0xeb/0x330
[ 97.319632][ T735] _raw_spin_lock+0x30/0x40
[ 97.319806][ T735] set_mems_allowed+0x1d/0x210
[ 97.319979][ T735] kernel_init_freeable+0x72/0x310
[ 97.320150][ T735] kernel_init+0x20/0x200
[ 97.320329][ T735] ret_from_fork+0x31/0x70
[ 97.320506][ T735] ret_from_fork_asm+0x1a/0x30
[ 97.320683][ T735] SOFTIRQ-ON-W at:
[ 97.320787][ T735] __lock_acquire+0x797/0x1570
[ 97.320960][ T735] lock_acquire.part.0+0xeb/0x330
[ 97.321134][ T735] _raw_spin_lock+0x30/0x40
[ 97.321307][ T735] set_mems_allowed+0x1d/0x210
[ 97.321478][ T735] kernel_init_freeable+0x72/0x310
[ 97.321655][ T735] kernel_init+0x20/0x200
[ 97.321826][ T735] ret_from_fork+0x31/0x70
[ 97.321998][ T735] ret_from_fork_asm+0x1a/0x30
[ 97.322173][ T735] INITIAL USE at:
[ 97.322278][ T735] __lock_acquire+0x797/0x1570
[ 97.322448][ T735] lock_acquire.part.0+0xeb/0x330
[ 97.322623][ T735] _raw_spin_lock+0x30/0x40
[ 97.322797][ T735] set_mems_allowed+0x1d/0x210
[ 97.322968][ T735] kernel_init_freeable+0x72/0x310
[ 97.323139][ T735] kernel_init+0x20/0x200
[ 97.323310][ T735] ret_from_fork+0x31/0x70
[ 97.323482][ T735] ret_from_fork_asm+0x1a/0x30
[ 97.323660][ T735] }
[ 97.323738][ T735] ... key at: [<ffffffffabbffd20>] __key.387+0x0/0x40
[ 97.323951][ T735] ... acquired at:
[ 97.324071][ T735] check_prev_add+0x194/0xce0
[ 97.324209][ T735] validate_chain+0x71d/0x9b0
[ 97.324350][ T735] __lock_acquire+0xaf0/0x1570
[ 97.324487][ T735] lock_acquire.part.0+0xeb/0x330
[ 97.324635][ T735] _raw_spin_lock+0x30/0x40
[ 97.324775][ T735] __get_task_comm+0x27/0x70
[ 97.324915][ T735] ref_tracker_alloc+0x2ee/0x490
[ 97.325065][ T735] netdev_get_by_index+0x5e/0x80
[ 97.325204][ T735] fib6_nh_init+0x3d8/0x15b0
[ 97.325349][ T735] ip6_route_info_create+0xf18/0x17d0
[ 97.325490][ T735] addrconf_f6i_alloc+0x265/0x560
[ 97.325630][ T735] __ipv6_dev_ac_inc+0x25f/0xb10
[ 97.325776][ T735] addrconf_join_anycast+0x1c0/0x220
[ 97.325914][ T735] dev_forward_change+0x2a6/0x7b0
[ 97.326060][ T735] addrconf_fixup_forwarding+0x23f/0x460
[ 97.326229][ T735] addrconf_sysctl_forward+0x212/0x2b0
[ 97.326368][ T735] proc_sys_call_handler+0x403/0x5e0
[ 97.326508][ T735] vfs_write+0x9e5/0x10a0
[ 97.326646][ T735] ksys_write+0xf5/0x1e0
[ 97.326782][ T735] do_syscall_64+0xc6/0x1e0
[ 97.326919][ T735] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 97.327100][ T735]
[ 97.327174][ T735]
[ 97.327174][ T735] stack backtrace:
[ 97.327348][ T735] CPU: 3 PID: 735 Comm: sysctl Not tainted 6.9.0-rc1-virtme #1
[ 97.327555][ T735] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 97.327858][ T735] Call Trace:
[ 97.327963][ T735] <TASK>
[ 97.328035][ T735] dump_stack_lvl+0x82/0xd0
[ 97.328178][ T735] print_bad_irq_dependency+0x957/0xd40
[ 97.328319][ T735] ? hlock_class+0x4e/0x130
[ 97.328457][ T735] ? __pfx_print_bad_irq_dependency+0x10/0x10
[ 97.328627][ T735] ? __pfx_usage_skip+0x10/0x10
[ 97.328766][ T735] ? __bfs+0x246/0x650
[ 97.328884][ T735] ? __pfx_usage_match+0x10/0x10
[ 97.329033][ T735] check_irq_usage+0x596/0x850
[ 97.329171][ T735] ? __pfx_check_irq_usage+0x10/0x10
[ 97.329322][ T735] ? __bfs+0x246/0x650
[ 97.329430][ T735] ? __pfx_hlock_conflict+0x10/0x10
[ 97.329580][ T735] ? check_path.constprop.0+0x24/0x50
[ 97.329716][ T735] ? check_noncircular+0x14c/0x3e0
[ 97.329861][ T735] ? __pfx_check_noncircular+0x10/0x10
[ 97.330000][ T735] ? hlock_class+0x4e/0x130
[ 97.330141][ T735] ? mark_lock+0x38/0x3e0
[ 97.330254][ T735] ? check_prev_add+0x194/0xce0
[ 97.330391][ T735] check_prev_add+0x194/0xce0
[ 97.330527][ T735] ? validate_chain+0x130/0x9b0
[ 97.330668][ T735] validate_chain+0x71d/0x9b0
[ 97.330805][ T735] ? mark_lock+0x38/0x3e0
[ 97.330909][ T735] ? __pfx_validate_chain+0x10/0x10
[ 97.331045][ T735] ? hlock_class+0x4e/0x130
[ 97.331183][ T735] ? mark_lock+0x38/0x3e0
[ 97.331295][ T735] __lock_acquire+0xaf0/0x1570
[ 97.331437][ T735] lock_acquire.part.0+0xeb/0x330
[ 97.331573][ T735] ? __get_task_comm+0x27/0x70
[ 97.331710][ T735] ? mark_lock+0x38/0x3e0
[ 97.331819][ T735] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 97.331956][ T735] ? trace_lock_acquire+0x135/0x1c0
[ 97.332092][ T735] ? __get_task_comm+0x27/0x70
[ 97.332227][ T735] ? lock_acquire+0x32/0xc0
[ 97.332365][ T735] ? __get_task_comm+0x27/0x70
[ 97.332502][ T735] _raw_spin_lock+0x30/0x40
[ 97.332638][ T735] ? __get_task_comm+0x27/0x70
[ 97.332772][ T735] __get_task_comm+0x27/0x70
[ 97.332912][ T735] ref_tracker_alloc+0x2ee/0x490
[ 97.333065][ T735] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 97.333202][ T735] ? dev_get_by_index+0x177/0x270
[ 97.333339][ T735] ? netdev_get_by_index+0x5e/0x80
[ 97.333482][ T735] ? fib6_nh_init+0x3d8/0x15b0
[ 97.333621][ T735] ? ip6_route_info_create+0xf18/0x17d0
[ 97.333758][ T735] ? addrconf_f6i_alloc+0x265/0x560
[ 97.333896][ T735] ? __ipv6_dev_ac_inc+0x25f/0xb10
[ 97.334037][ T735] ? addrconf_join_anycast+0x1c0/0x220
[ 97.334256][ T735] ? dev_forward_change+0x2a6/0x7b0
[ 97.334398][ T735] ? addrconf_fixup_forwarding+0x23f/0x460
[ 97.334568][ T735] ? addrconf_sysctl_forward+0x212/0x2b0
[ 97.334704][ T735] ? proc_sys_call_handler+0x403/0x5e0
[ 97.334939][ T735] ? vfs_write+0x9e5/0x10a0
[ 97.335076][ T735] ? ksys_write+0xf5/0x1e0
[ 97.335217][ T735] ? do_syscall_64+0xc6/0x1e0
[ 97.335359][ T735] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 97.335536][ T735] ? dev_get_by_index+0x177/0x270
[ 97.335674][ T735] netdev_get_by_index+0x5e/0x80
[ 97.335814][ T735] fib6_nh_init+0x3d8/0x15b0
[ 97.335955][ T735] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370
[ 97.336133][ T735] ? __pfx_fib6_nh_init+0x10/0x10
[ 97.336276][ T735] ? kasan_save_track+0x14/0x30
[ 97.336418][ T735] ? __kasan_kmalloc+0x7f/0x90
[ 97.336561][ T735] ? __kmalloc+0x1d7/0x3c0
[ 97.336703][ T735] ? fib6_get_table+0x116/0x290
[ 97.336925][ T735] ip6_route_info_create+0xf18/0x17d0
[ 97.337061][ T735] ? __lock_release+0x103/0x460
[ 97.337207][ T735] ? __pfx_ip6_route_info_create+0x10/0x10
[ 97.337389][ T735] ? addrconf_f6i_alloc+0x12d/0x560
[ 97.337612][ T735] addrconf_f6i_alloc+0x265/0x560
[ 97.337749][ T735] ? __pfx_addrconf_f6i_alloc+0x10/0x10
[ 97.337893][ T735] ? do_raw_write_lock+0x122/0x3b0
[ 97.338031][ T735] ? __pfx_do_raw_write_lock+0x10/0x10
[ 97.338255][ T735] ? lock_acquire+0x32/0xc0
[ 97.338392][ T735] __ipv6_dev_ac_inc+0x25f/0xb10
[ 97.338531][ T735] addrconf_join_anycast+0x1c0/0x220
[ 97.338667][ T735] ? mark_lock+0x38/0x3e0
[ 97.338849][ T735] ? __pfx_addrconf_join_anycast+0x10/0x10
[ 97.339019][ T735] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 97.339198][ T735] dev_forward_change+0x2a6/0x7b0
[ 97.339351][ T735] ? __pfx_dev_forward_change+0x10/0x10
[ 97.339574][ T735] addrconf_fixup_forwarding+0x23f/0x460
[ 97.339718][ T735] addrconf_sysctl_forward+0x212/0x2b0
[ 97.339860][ T735] ? __pfx_addrconf_sysctl_forward+0x10/0x10
[ 97.340033][ T735] ? __pfx_addrconf_sysctl_forward+0x10/0x10
[ 97.340286][ T735] ? trace_kmalloc+0x2a/0xe0
[ 97.340444][ T735] ? __kmalloc_node+0x220/0x400
[ 97.340583][ T735] ? proc_sys_call_handler+0x30b/0x5e0
[ 97.340722][ T735] proc_sys_call_handler+0x403/0x5e0
[ 97.340942][ T735] ? __pfx_proc_sys_call_handler+0x10/0x10
[ 97.341118][ T735] ? __lock_acquire+0xaf0/0x1570
[ 97.341257][ T735] vfs_write+0x9e5/0x10a0
[ 97.341371][ T735] ? do_user_addr_fault+0x449/0xbe0
[ 97.341509][ T735] ? __pfx_vfs_write+0x10/0x10
[ 97.341653][ T735] ? find_held_lock+0x2c/0x110
[ 97.341795][ T735] ? __pfx___lock_release+0x10/0x10
[ 97.341932][ T735] ? __fget_light+0x53/0x1e0
[ 97.342070][ T735] ksys_write+0xf5/0x1e0
[ 97.342179][ T735] ? __pfx_ksys_write+0x10/0x10
[ 97.342315][ T735] ? do_user_addr_fault+0x4bd/0xbe0
[ 97.342453][ T735] do_syscall_64+0xc6/0x1e0
[ 97.342594][ T735] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 97.342850][ T735] RIP: 0033:0x7f2a101f8957
[ 97.343002][ T735] 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
[ 97.343579][ T735] RSP: 002b:00007fffe59a03e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 97.343794][ T735] RAX: ffffffffffffffda RBX: 00005633327ab360 RCX: 00007f2a101f8957
[ 97.344008][ T735] RDX: 0000000000000002 RSI: 00005633327ab3a0 RDI: 0000000000000005
[ 97.344388][ T735] RBP: 00005633327ad4d0 R08: 0000000000000003 R09: 0000000000000077
[ 97.344595][ T735] R10: 000000000000006b R11: 0000000000000246 R12: 0000000000000002
[ 97.344803][ T735] R13: 0000000000000002 R14: 0000000000000002 R15: 00007f2a102af9c0
[ 97.345106][ T735] </TASK>
[ 137.628217][ T673] veth0: left allmulticast mode
[ 137.628449][ T673] veth1: left allmulticast mode
[ 137.628616][ T673] veth2: left allmulticast mode
[ 137.628801][ T673] veth3: left allmulticast mode
[ 137.628985][ T673] veth4: left allmulticast mode
[ 137.629166][ T673] veth5: left allmulticast mode