[ 24.583615][ T237] ip (237) used greatest stack depth: 23184 bytes left
[ 30.921053][ T310] gre: GRE over IPv4 demultiplexor driver
[ 30.939237][ T310] ip_gre: GRE over IPv4 tunneling driver
[ 33.065997][ T333] 8021q: 802.1Q VLAN Support v1.8
[ 37.137261][ T372] GACT probability NOT on
[ 40.708159][ T405]
[ 40.708284][ T405] =====================================================
[ 40.708459][ T405] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected
[ 40.708669][ T405] 6.9.0-rc1-virtme #1 Not tainted
[ 40.708811][ T405] -----------------------------------------------------
[ 40.708983][ T405] sysctl/405 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire:
[ 40.709194][ T405] ffff8880250e0968 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70
[ 40.709451][ T405]
[ 40.709451][ T405] and this task is already holding:
[ 40.709653][ T405] ffff888007d4d580 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10
[ 40.709909][ T405] which would create a new lock dependency:
[ 40.710076][ T405] (&ndev->lock){++--}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2}
[ 40.710287][ T405]
[ 40.710287][ T405] but this new dependency connects a SOFTIRQ-irq-safe lock:
[ 40.710521][ T405] (&ndev->lock){++--}-{2:2}
[ 40.710525][ T405]
[ 40.710525][ T405] ... which became SOFTIRQ-irq-safe at:
[ 40.710857][ T405] __lock_acquire+0x797/0x1570
[ 40.711003][ T405] lock_acquire.part.0+0xeb/0x330
[ 40.711139][ T405] _raw_write_lock+0x30/0x40
[ 40.711281][ T405] addrconf_rs_timer+0xa9/0x730
[ 40.711421][ T405] call_timer_fn+0x13b/0x230
[ 40.711565][ T405] __run_timers+0x545/0x810
[ 40.711701][ T405] run_timer_softirq+0xe8/0x1b0
[ 40.711845][ T405] __do_softirq+0x1f8/0x5df
[ 40.711980][ T405] irq_exit_rcu+0x97/0xc0
[ 40.712122][ T405] sysvec_apic_timer_interrupt+0x75/0x80
[ 40.712265][ T405] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 40.712439][ T405] default_idle+0xf/0x20
[ 40.712547][ T405] default_idle_call+0x6d/0xb0
[ 40.712684][ T405] cpuidle_idle_call+0x1f4/0x280
[ 40.712826][ T405] do_idle+0xf9/0x160
[ 40.712931][ T405] cpu_startup_entry+0x54/0x60
[ 40.713071][ T405] rest_init+0x14f/0x260
[ 40.713176][ T405] start_kernel+0x318/0x3d0
[ 40.713336][ T405] x86_64_start_reservations+0x18/0x30
[ 40.713472][ T405] x86_64_start_kernel+0xba/0x110
[ 40.713607][ T405] common_startup_64+0x12c/0x138
[ 40.713743][ T405]
[ 40.713743][ T405] to a SOFTIRQ-irq-unsafe lock:
[ 40.713929][ T405] (&p->alloc_lock){+.+.}-{2:2}
[ 40.713934][ T405]
[ 40.713934][ T405] ... which became SOFTIRQ-irq-unsafe at:
[ 40.714269][ T405] ...
[ 40.714271][ T405] __lock_acquire+0x797/0x1570
[ 40.714511][ T405] lock_acquire.part.0+0xeb/0x330
[ 40.714647][ T405] _raw_spin_lock+0x30/0x40
[ 40.714785][ T405] set_mems_allowed+0x1d/0x210
[ 40.714944][ T405] kernel_init_freeable+0x72/0x310
[ 40.715081][ T405] kernel_init+0x20/0x200
[ 40.715222][ T405] ret_from_fork+0x31/0x70
[ 40.715374][ T405] ret_from_fork_asm+0x1a/0x30
[ 40.715512][ T405]
[ 40.715512][ T405] other info that might help us debug this:
[ 40.715512][ T405]
[ 40.715818][ T405] Possible interrupt unsafe locking scenario:
[ 40.715818][ T405]
[ 40.716022][ T405] CPU0 CPU1
[ 40.716162][ T405] ---- ----
[ 40.716315][ T405] lock(&p->alloc_lock);
[ 40.716430][ T405] local_irq_disable();
[ 40.716598][ T405] lock(&ndev->lock);
[ 40.716784][ T405] lock(&p->alloc_lock);
[ 40.716955][ T405] <Interrupt>
[ 40.717076][ T405] lock(&ndev->lock);
[ 40.717183][ T405]
[ 40.717183][ T405] *** DEADLOCK ***
[ 40.717183][ T405]
[ 40.717383][ T405] 3 locks held by sysctl/405:
[ 40.717542][ T405] #0: ffff8880250543f0 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0xf5/0x1e0
[ 40.717797][ T405] #1: ffffffffacf969c8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_fixup_forwarding+0x20/0x460
[ 40.718087][ T405] #2: ffff888007d4d580 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10
[ 40.718361][ T405]
[ 40.718361][ T405] the dependencies between SOFTIRQ-irq-safe lock and the holding lock:
[ 40.718632][ T405] -> (&ndev->lock){++--}-{2:2} {
[ 40.718784][ T405] HARDIRQ-ON-W at:
[ 40.718907][ T405] __lock_acquire+0x797/0x1570
[ 40.719084][ T405] lock_acquire.part.0+0xeb/0x330
[ 40.719272][ T405] _raw_write_lock_bh+0x38/0x50
[ 40.719454][ T405] addrconf_permanent_addr+0x6e/0x670
[ 40.719642][ T405] addrconf_notify+0x749/0xd60
[ 40.719817][ T405] notifier_call_chain+0xcd/0x150
[ 40.719990][ T405] __dev_notify_flags+0xe6/0x250
[ 40.720186][ T405] dev_change_flags+0xec/0x160
[ 40.720361][ T405] do_setlink+0x7d6/0x21e0
[ 40.720544][ T405] __rtnl_newlink+0xaa7/0xd80
[ 40.720720][ T405] rtnl_newlink+0x63/0xa0
[ 40.720895][ T405] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 40.721064][ T405] netlink_rcv_skb+0x130/0x360
[ 40.721239][ T405] netlink_unicast+0x449/0x710
[ 40.721433][ T405] netlink_sendmsg+0x723/0xbe0
[ 40.721604][ T405] ____sys_sendmsg+0x7b2/0xa10
[ 40.721776][ T405] ___sys_sendmsg+0xee/0x170
[ 40.721974][ T405] __sys_sendmsg+0xcd/0x170
[ 40.722152][ T405] do_syscall_64+0xc6/0x1e0
[ 40.722335][ T405] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 40.722546][ T405] HARDIRQ-ON-R at:
[ 40.722666][ T405] __lock_acquire+0x797/0x1570
[ 40.722839][ T405] lock_acquire.part.0+0xeb/0x330
[ 40.723014][ T405] _raw_read_lock_bh+0x44/0x80
[ 40.723225][ T405] inet6_fill_ifla6_attrs+0x516/0x740
[ 40.723408][ T405] inet6_fill_link_af+0x5e/0xe0
[ 40.723588][ T405] rtnl_fill_ifinfo+0x1612/0x29e0
[ 40.723766][ T405] rtmsg_ifinfo_build_skb+0x13c/0x240
[ 40.723952][ T405] rtmsg_ifinfo_event.part.0+0x2d/0x120
[ 40.724168][ T405] rtmsg_ifinfo+0x5b/0xa0
[ 40.724338][ T405] register_netdevice+0x1177/0x1690
[ 40.724534][ T405] register_netdev+0x20/0x40
[ 40.724705][ T405] sit_init_net+0x250/0x4f0
[ 40.724885][ T405] ops_init+0x9b/0x560
[ 40.725029][ T405] register_pernet_operations+0x2db/0x710
[ 40.725262][ T405] register_pernet_device+0x2a/0x60
[ 40.725436][ T405] sit_init+0x23/0xe0
[ 40.725593][ T405] do_one_initcall+0x8d/0x1e0
[ 40.725793][ T405] do_initcalls+0x1b2/0x3e0
[ 40.725966][ T405] kernel_init_freeable+0x232/0x310
[ 40.726145][ T405] kernel_init+0x20/0x200
[ 40.726321][ T405] ret_from_fork+0x31/0x70
[ 40.726514][ T405] ret_from_fork_asm+0x1a/0x30
[ 40.726687][ T405] IN-SOFTIRQ-W at:
[ 40.726795][ T405] __lock_acquire+0x797/0x1570
[ 40.726986][ T405] lock_acquire.part.0+0xeb/0x330
[ 40.727164][ T405] _raw_write_lock+0x30/0x40
[ 40.727351][ T405] addrconf_rs_timer+0xa9/0x730
[ 40.727525][ T405] call_timer_fn+0x13b/0x230
[ 40.727702][ T405] __run_timers+0x545/0x810
[ 40.727896][ T405] run_timer_softirq+0xe8/0x1b0
[ 40.728070][ T405] __do_softirq+0x1f8/0x5df
[ 40.728271][ T405] irq_exit_rcu+0x97/0xc0
[ 40.728446][ T405] sysvec_apic_timer_interrupt+0x75/0x80
[ 40.728664][ T405] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 40.728876][ T405] default_idle+0xf/0x20
[ 40.729048][ T405] default_idle_call+0x6d/0xb0
[ 40.729248][ T405] cpuidle_idle_call+0x1f4/0x280
[ 40.729507][ T405] do_idle+0xf9/0x160
[ 40.729659][ T405] cpu_startup_entry+0x54/0x60
[ 40.729833][ T405] rest_init+0x14f/0x260
[ 40.730011][ T405] start_kernel+0x318/0x3d0
[ 40.730269][ T405] x86_64_start_reservations+0x18/0x30
[ 40.730465][ T405] x86_64_start_kernel+0xba/0x110
[ 40.730638][ T405] common_startup_64+0x12c/0x138
[ 40.730902][ T405] IN-SOFTIRQ-R at:
[ 40.731011][ T405] __lock_acquire+0x797/0x1570
[ 40.731185][ T405] lock_acquire.part.0+0xeb/0x330
[ 40.731368][ T405] _raw_read_lock_bh+0x44/0x80
[ 40.731707][ T405] ipv6_get_lladdr+0xa9/0x3e0
[ 40.731886][ T405] addrconf_rs_timer+0x24a/0x730
[ 40.732060][ T405] call_timer_fn+0x13b/0x230
[ 40.732325][ T405] __run_timers+0x545/0x810
[ 40.732496][ T405] run_timer_softirq+0xe8/0x1b0
[ 40.732668][ T405] __do_softirq+0x1f8/0x5df
[ 40.732839][ T405] irq_exit_rcu+0x97/0xc0
[ 40.733017][ T405] sysvec_apic_timer_interrupt+0x75/0x80
[ 40.733241][ T405] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 40.733447][ T405] default_idle+0xf/0x20
[ 40.733704][ T405] default_idle_call+0x6d/0xb0
[ 40.733880][ T405] cpuidle_idle_call+0x1f4/0x280
[ 40.734053][ T405] do_idle+0xf9/0x160
[ 40.734293][ T405] cpu_startup_entry+0x54/0x60
[ 40.734469][ T405] rest_init+0x14f/0x260
[ 40.734644][ T405] start_kernel+0x318/0x3d0
[ 40.734818][ T405] x86_64_start_reservations+0x18/0x30
[ 40.734995][ T405] x86_64_start_kernel+0xba/0x110
[ 40.735173][ T405] common_startup_64+0x12c/0x138
[ 40.735348][ T405] INITIAL USE at:
[ 40.735460][ T405] __lock_acquire+0x797/0x1570
[ 40.735719][ T405] lock_acquire.part.0+0xeb/0x330
[ 40.735895][ T405] _raw_write_lock_bh+0x38/0x50
[ 40.736070][ T405] addrconf_permanent_addr+0x6e/0x670
[ 40.736330][ T405] addrconf_notify+0x749/0xd60
[ 40.736503][ T405] notifier_call_chain+0xcd/0x150
[ 40.736682][ T405] __dev_notify_flags+0xe6/0x250
[ 40.736860][ T405] dev_change_flags+0xec/0x160
[ 40.737033][ T405] do_setlink+0x7d6/0x21e0
[ 40.737206][ T405] __rtnl_newlink+0xaa7/0xd80
[ 40.737379][ T405] rtnl_newlink+0x63/0xa0
[ 40.737637][ T405] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 40.737811][ T405] netlink_rcv_skb+0x130/0x360
[ 40.737992][ T405] netlink_unicast+0x449/0x710
[ 40.738247][ T405] netlink_sendmsg+0x723/0xbe0
[ 40.738419][ T405] ____sys_sendmsg+0x7b2/0xa10
[ 40.738593][ T405] ___sys_sendmsg+0xee/0x170
[ 40.738765][ T405] __sys_sendmsg+0xcd/0x170
[ 40.739022][ T405] do_syscall_64+0xc6/0x1e0
[ 40.739203][ T405] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 40.739417][ T405] INITIAL READ USE at:
[ 40.739604][ T405] __lock_acquire+0x797/0x1570
[ 40.739805][ T405] lock_acquire.part.0+0xeb/0x330
[ 40.739982][ T405] _raw_read_lock_bh+0x44/0x80
[ 40.740163][ T405] inet6_fill_ifla6_attrs+0x516/0x740
[ 40.740481][ T405] inet6_fill_link_af+0x5e/0xe0
[ 40.740665][ T405] rtnl_fill_ifinfo+0x1612/0x29e0
[ 40.740839][ T405] rtmsg_ifinfo_build_skb+0x13c/0x240
[ 40.741046][ T405] rtmsg_ifinfo_event.part.0+0x2d/0x120
[ 40.741250][ T405] rtmsg_ifinfo+0x5b/0xa0
[ 40.741423][ T405] register_netdevice+0x1177/0x1690
[ 40.741718][ T405] register_netdev+0x20/0x40
[ 40.741891][ T405] sit_init_net+0x250/0x4f0
[ 40.742068][ T405] ops_init+0x9b/0x560
[ 40.742424][ T405] register_pernet_operations+0x2db/0x710
[ 40.742657][ T405] register_pernet_device+0x2a/0x60
[ 40.742881][ T405] sit_init+0x23/0xe0
[ 40.743092][ T405] do_one_initcall+0x8d/0x1e0
[ 40.743289][ T405] do_initcalls+0x1b2/0x3e0
[ 40.743472][ T405] kernel_init_freeable+0x232/0x310
[ 40.743772][ T405] kernel_init+0x20/0x200
[ 40.743970][ T405] ret_from_fork+0x31/0x70
[ 40.744146][ T405] ret_from_fork_asm+0x1a/0x30
[ 40.744328][ T405] }
[ 40.744501][ T405] ... key at: [<ffffffffaf058300>] __key.37+0x0/0x40
[ 40.744714][ T405]
[ 40.744714][ T405] the dependencies between the lock to be acquired
[ 40.744716][ T405] and SOFTIRQ-irq-unsafe lock:
[ 40.745175][ T405] -> (&p->alloc_lock){+.+.}-{2:2} {
[ 40.745348][ T405] HARDIRQ-ON-W at:
[ 40.745459][ T405] __lock_acquire+0x797/0x1570
[ 40.745639][ T405] lock_acquire.part.0+0xeb/0x330
[ 40.745921][ T405] _raw_spin_lock+0x30/0x40
[ 40.746096][ T405] set_mems_allowed+0x1d/0x210
[ 40.746281][ T405] kernel_init_freeable+0x72/0x310
[ 40.746455][ T405] kernel_init+0x20/0x200
[ 40.746733][ T405] ret_from_fork+0x31/0x70
[ 40.746909][ T405] ret_from_fork_asm+0x1a/0x30
[ 40.747104][ T405] SOFTIRQ-ON-W at:
[ 40.747295][ T405] __lock_acquire+0x797/0x1570
[ 40.747476][ T405] lock_acquire.part.0+0xeb/0x330
[ 40.747652][ T405] _raw_spin_lock+0x30/0x40
[ 40.747825][ T405] set_mems_allowed+0x1d/0x210
[ 40.748016][ T405] kernel_init_freeable+0x72/0x310
[ 40.748193][ T405] kernel_init+0x20/0x200
[ 40.748390][ T405] ret_from_fork+0x31/0x70
[ 40.748648][ T405] ret_from_fork_asm+0x1a/0x30
[ 40.748822][ T405] INITIAL USE at:
[ 40.748927][ T405] __lock_acquire+0x797/0x1570
[ 40.749098][ T405] lock_acquire.part.0+0xeb/0x330
[ 40.749373][ T405] _raw_spin_lock+0x30/0x40
[ 40.749551][ T405] set_mems_allowed+0x1d/0x210
[ 40.749730][ T405] kernel_init_freeable+0x72/0x310
[ 40.749922][ T405] kernel_init+0x20/0x200
[ 40.750106][ T405] ret_from_fork+0x31/0x70
[ 40.750281][ T405] ret_from_fork_asm+0x1a/0x30
[ 40.750474][ T405] }
[ 40.750631][ T405] ... key at: [<ffffffffadfffd20>] __key.387+0x0/0x40
[ 40.750856][ T405] ... acquired at:
[ 40.750964][ T405] check_prev_add+0x194/0xce0
[ 40.751105][ T405] validate_chain+0x71d/0x9b0
[ 40.751352][ T405] __lock_acquire+0xaf0/0x1570
[ 40.751493][ T405] lock_acquire.part.0+0xeb/0x330
[ 40.751630][ T405] _raw_spin_lock+0x30/0x40
[ 40.751792][ T405] __get_task_comm+0x27/0x70
[ 40.751932][ T405] ref_tracker_alloc+0x2ee/0x490
[ 40.752079][ T405] netdev_get_by_index+0x5e/0x80
[ 40.752229][ T405] fib6_nh_init+0x3d8/0x15b0
[ 40.752372][ T405] ip6_route_info_create+0xf18/0x17d0
[ 40.752535][ T405] addrconf_f6i_alloc+0x265/0x560
[ 40.752759][ T405] __ipv6_dev_ac_inc+0x25f/0xb10
[ 40.752899][ T405] addrconf_join_anycast+0x1c0/0x220
[ 40.753058][ T405] dev_forward_change+0x2a6/0x7b0
[ 40.753211][ T405] addrconf_fixup_forwarding+0x23f/0x460
[ 40.753558][ T405] addrconf_sysctl_forward+0x212/0x2b0
[ 40.753705][ T405] proc_sys_call_handler+0x403/0x5e0
[ 40.753871][ T405] vfs_write+0x9e5/0x10a0
[ 40.754012][ T405] ksys_write+0xf5/0x1e0
[ 40.754232][ T405] do_syscall_64+0xc6/0x1e0
[ 40.754390][ T405] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 40.754564][ T405]
[ 40.754637][ T405]
[ 40.754637][ T405] stack backtrace:
[ 40.754904][ T405] CPU: 0 PID: 405 Comm: sysctl Not tainted 6.9.0-rc1-virtme #1
[ 40.755121][ T405] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 40.755442][ T405] Call Trace:
[ 40.755659][ T405] <TASK>
[ 40.755732][ T405] dump_stack_lvl+0x82/0xd0
[ 40.755877][ T405] print_bad_irq_dependency+0x957/0xd40
[ 40.756016][ T405] ? hlock_class+0x4e/0x130
[ 40.756161][ T405] ? __pfx_print_bad_irq_dependency+0x10/0x10
[ 40.756441][ T405] ? __pfx_usage_skip+0x10/0x10
[ 40.756578][ T405] ? __bfs+0x246/0x650
[ 40.756681][ T405] ? __pfx_usage_match+0x10/0x10
[ 40.756819][ T405] check_irq_usage+0x596/0x850
[ 40.756961][ T405] ? __pfx_check_irq_usage+0x10/0x10
[ 40.757099][ T405] ? __bfs+0x246/0x650
[ 40.757212][ T405] ? __pfx_hlock_conflict+0x10/0x10
[ 40.757381][ T405] ? check_path.constprop.0+0x24/0x50
[ 40.757526][ T405] ? check_noncircular+0x14c/0x3e0
[ 40.757749][ T405] ? __pfx_check_noncircular+0x10/0x10
[ 40.757909][ T405] ? check_prev_add+0x194/0xce0
[ 40.758049][ T405] check_prev_add+0x194/0xce0
[ 40.758189][ T405] ? validate_chain+0x130/0x9b0
[ 40.758438][ T405] validate_chain+0x71d/0x9b0
[ 40.758579][ T405] ? mark_lock+0x38/0x3e0
[ 40.758682][ T405] ? __pfx_validate_chain+0x10/0x10
[ 40.758828][ T405] ? hlock_class+0x4e/0x130
[ 40.759048][ T405] ? mark_lock+0x38/0x3e0
[ 40.759172][ T405] __lock_acquire+0xaf0/0x1570
[ 40.759328][ T405] lock_acquire.part.0+0xeb/0x330
[ 40.759468][ T405] ? __get_task_comm+0x27/0x70
[ 40.759607][ T405] ? mark_lock+0x38/0x3e0
[ 40.759796][ T405] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 40.759934][ T405] ? trace_lock_acquire+0x135/0x1c0
[ 40.760069][ T405] ? __get_task_comm+0x27/0x70
[ 40.760216][ T405] ? lock_acquire+0x32/0xc0
[ 40.760438][ T405] ? __get_task_comm+0x27/0x70
[ 40.760578][ T405] _raw_spin_lock+0x30/0x40
[ 40.760727][ T405] ? __get_task_comm+0x27/0x70
[ 40.760889][ T405] __get_task_comm+0x27/0x70
[ 40.761027][ T405] ref_tracker_alloc+0x2ee/0x490
[ 40.761252][ T405] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 40.761390][ T405] ? dev_get_by_index+0x177/0x270
[ 40.761530][ T405] ? netdev_get_by_index+0x5e/0x80
[ 40.761674][ T405] ? fib6_nh_init+0x3d8/0x15b0
[ 40.761894][ T405] ? ip6_route_info_create+0xf18/0x17d0
[ 40.762030][ T405] ? addrconf_f6i_alloc+0x265/0x560
[ 40.762169][ T405] ? __ipv6_dev_ac_inc+0x25f/0xb10
[ 40.762309][ T405] ? addrconf_join_anycast+0x1c0/0x220
[ 40.762525][ T405] ? dev_forward_change+0x2a6/0x7b0
[ 40.762665][ T405] ? addrconf_fixup_forwarding+0x23f/0x460
[ 40.762839][ T405] ? addrconf_sysctl_forward+0x212/0x2b0
[ 40.762977][ T405] ? proc_sys_call_handler+0x403/0x5e0
[ 40.763207][ T405] ? vfs_write+0x9e5/0x10a0
[ 40.763350][ T405] ? ksys_write+0xf5/0x1e0
[ 40.763486][ T405] ? do_syscall_64+0xc6/0x1e0
[ 40.763626][ T405] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 40.763878][ T405] ? dev_get_by_index+0x177/0x270
[ 40.764013][ T405] netdev_get_by_index+0x5e/0x80
[ 40.764155][ T405] fib6_nh_init+0x3d8/0x15b0
[ 40.764291][ T405] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370
[ 40.764621][ T405] ? __pfx_fib6_nh_init+0x10/0x10
[ 40.764758][ T405] ? kasan_save_track+0x14/0x30
[ 40.764895][ T405] ? __kasan_kmalloc+0x7f/0x90
[ 40.765030][ T405] ? __kmalloc+0x1d7/0x3c0
[ 40.765247][ T405] ? fib6_get_table+0x116/0x290
[ 40.765383][ T405] ip6_route_info_create+0xf18/0x17d0
[ 40.765518][ T405] ? __lock_release+0x103/0x460
[ 40.765665][ T405] ? __pfx_ip6_route_info_create+0x10/0x10
[ 40.765837][ T405] ? addrconf_f6i_alloc+0x12d/0x560
[ 40.765974][ T405] addrconf_f6i_alloc+0x265/0x560
[ 40.766112][ T405] ? __pfx_addrconf_f6i_alloc+0x10/0x10
[ 40.766252][ T405] ? do_raw_write_lock+0x122/0x3b0
[ 40.766388][ T405] ? __pfx_do_raw_write_lock+0x10/0x10
[ 40.766605][ T405] ? lock_acquire+0x32/0xc0
[ 40.766749][ T405] __ipv6_dev_ac_inc+0x25f/0xb10
[ 40.766888][ T405] addrconf_join_anycast+0x1c0/0x220
[ 40.767025][ T405] ? mark_lock+0x38/0x3e0
[ 40.767210][ T405] ? __pfx_addrconf_join_anycast+0x10/0x10
[ 40.767380][ T405] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 40.767550][ T405] dev_forward_change+0x2a6/0x7b0
[ 40.767690][ T405] ? __pfx_dev_forward_change+0x10/0x10
[ 40.767910][ T405] addrconf_fixup_forwarding+0x23f/0x460
[ 40.768052][ T405] addrconf_sysctl_forward+0x212/0x2b0
[ 40.768195][ T405] ? __pfx_addrconf_sysctl_forward+0x10/0x10
[ 40.768366][ T405] ? __pfx_addrconf_sysctl_forward+0x10/0x10
[ 40.768621][ T405] ? trace_kmalloc+0x2a/0xe0
[ 40.768762][ T405] ? __kmalloc_node+0x220/0x400
[ 40.768902][ T405] ? proc_sys_call_handler+0x30b/0x5e0
[ 40.769039][ T405] proc_sys_call_handler+0x403/0x5e0
[ 40.769263][ T405] ? __pfx_proc_sys_call_handler+0x10/0x10
[ 40.769435][ T405] ? __lock_acquire+0xaf0/0x1570
[ 40.769573][ T405] vfs_write+0x9e5/0x10a0
[ 40.769677][ T405] ? do_user_addr_fault+0x449/0xbe0
[ 40.769893][ T405] ? __pfx_vfs_write+0x10/0x10
[ 40.770031][ T405] ? find_held_lock+0x2c/0x110
[ 40.770169][ T405] ? __pfx___lock_release+0x10/0x10
[ 40.770307][ T405] ? __fget_light+0x53/0x1e0
[ 40.770527][ T405] ksys_write+0xf5/0x1e0
[ 40.770635][ T405] ? __pfx_ksys_write+0x10/0x10
[ 40.770770][ T405] ? do_user_addr_fault+0x4bd/0xbe0
[ 40.770905][ T405] do_syscall_64+0xc6/0x1e0
[ 40.771043][ T405] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 40.771294][ T405] RIP: 0033:0x7f2c529c0957
[ 40.771440][ T405] 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
[ 40.772010][ T405] RSP: 002b:00007fffebdd2758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 40.772219][ T405] RAX: ffffffffffffffda RBX: 000055d532c99360 RCX: 00007f2c529c0957
[ 40.772427][ T405] RDX: 0000000000000002 RSI: 000055d532c993a0 RDI: 0000000000000005
[ 40.772720][ T405] RBP: 000055d532c9b4d0 R08: 0000000000000003 R09: 0000000000000077
[ 40.772940][ T405] R10: 000000000000006b R11: 0000000000000246 R12: 0000000000000002
[ 40.773249][ T405] R13: 0000000000000002 R14: 0000000000000002 R15: 00007f2c52a779c0
[ 40.773460][ T405] </TASK>