[ 239.993071][ T833]
[ 239.993220][ T833] =====================================================
[ 239.993424][ T833] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected
[ 239.993668][ T833] 6.9.0-rc1-virtme #1 Not tainted
[ 239.993831][ T833] -----------------------------------------------------
[ 239.994036][ T833] self-connect_ip/833 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire:
[ 239.994282][ T833] ffff888005308968 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70
[ 239.994594][ T833]
[ 239.994594][ T833] and this task is already holding:
[ 239.994840][ T833] ffff8880093ced80 (&ndev->lock){++--}-{2:2}, at: addrconf_permanent_addr+0x6e/0x670
[ 239.995133][ T833] which would create a new lock dependency:
[ 239.995336][ T833] (&ndev->lock){++--}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2}
[ 239.995587][ T833]
[ 239.995587][ T833] but this new dependency connects a SOFTIRQ-irq-safe lock:
[ 239.995867][ T833] (&ndev->lock){++--}-{2:2}
[ 239.995871][ T833]
[ 239.995871][ T833] ... which became SOFTIRQ-irq-safe at:
[ 239.996277][ T833] __lock_acquire+0x797/0x1570
[ 239.996447][ T833] lock_acquire.part.0+0xeb/0x330
[ 239.996611][ T833] _raw_write_lock+0x30/0x40
[ 239.996783][ T833] addrconf_rs_timer+0xa9/0x730
[ 239.996947][ T833] call_timer_fn+0x13b/0x230
[ 239.997115][ T833] __run_timers+0x545/0x810
[ 239.997284][ T833] run_timer_softirq+0xe8/0x1b0
[ 239.997451][ T833] __do_softirq+0x1f8/0x5df
[ 239.997616][ T833] irq_exit_rcu+0x97/0xc0
[ 239.997784][ T833] sysvec_apic_timer_interrupt+0x75/0x80
[ 239.997947][ T833] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 239.998158][ T833] default_idle+0xf/0x20
[ 239.998282][ T833] default_idle_call+0x6d/0xb0
[ 239.998444][ T833] cpuidle_idle_call+0x1f4/0x280
[ 239.998609][ T833] do_idle+0xf9/0x160
[ 239.998728][ T833] cpu_startup_entry+0x54/0x60
[ 239.998874][ T833] start_secondary+0x21c/0x2b0
[ 239.999026][ T833] common_startup_64+0x12c/0x138
[ 239.999188][ T833]
[ 239.999188][ T833] to a SOFTIRQ-irq-unsafe lock:
[ 239.999387][ T833] (&p->alloc_lock){+.+.}-{2:2}
[ 239.999391][ T833]
[ 239.999391][ T833] ... which became SOFTIRQ-irq-unsafe at:
[ 239.999767][ T833] ...
[ 239.999769][ T833] __lock_acquire+0x797/0x1570
[ 239.999992][ T833] lock_acquire.part.0+0xeb/0x330
[ 240.000139][ T833] _raw_spin_lock+0x30/0x40
[ 240.000283][ T833] set_mems_allowed+0x1d/0x210
[ 240.000427][ T833] kernel_init_freeable+0x72/0x310
[ 240.000585][ T833] kernel_init+0x20/0x200
[ 240.000744][ T833] ret_from_fork+0x31/0x70
[ 240.000909][ T833] ret_from_fork_asm+0x1a/0x30
[ 240.001071][ T833]
[ 240.001071][ T833] other info that might help us debug this:
[ 240.001071][ T833]
[ 240.001391][ T833] Possible interrupt unsafe locking scenario:
[ 240.001391][ T833]
[ 240.001635][ T833] CPU0 CPU1
[ 240.001797][ T833] ---- ----
[ 240.001958][ T833] lock(&p->alloc_lock);
[ 240.002083][ T833] local_irq_disable();
[ 240.002284][ T833] lock(&ndev->lock);
[ 240.002490][ T833] lock(&p->alloc_lock);
[ 240.002709][ T833] <Interrupt>
[ 240.002819][ T833] lock(&ndev->lock);
[ 240.002937][ T833]
[ 240.002937][ T833] *** DEADLOCK ***
[ 240.002937][ T833]
[ 240.003151][ T833] 2 locks held by self-connect_ip/833:
[ 240.003298][ T833] #0: ffffffff90d94cc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xbf0
[ 240.003569][ T833] #1: ffff8880093ced80 (&ndev->lock){++--}-{2:2}, at: addrconf_permanent_addr+0x6e/0x670
[ 240.003835][ T833]
[ 240.003835][ T833] the dependencies between SOFTIRQ-irq-safe lock and the holding lock:
[ 240.004144][ T833] -> (&ndev->lock){++--}-{2:2} {
[ 240.004309][ T833] HARDIRQ-ON-W at:
[ 240.004444][ T833] __lock_acquire+0x797/0x1570
[ 240.004901][ T833] lock_acquire.part.0+0xeb/0x330
[ 240.005095][ T833] _raw_write_lock_bh+0x38/0x50
[ 240.005279][ T833] addrconf_permanent_addr+0x6e/0x670
[ 240.005478][ T833] addrconf_notify+0x749/0xd60
[ 240.005662][ T833] notifier_call_chain+0xcd/0x150
[ 240.005860][ T833] __dev_notify_flags+0xe6/0x250
[ 240.006047][ T833] dev_change_flags+0xec/0x160
[ 240.006241][ T833] do_setlink+0x7d6/0x21e0
[ 240.006429][ T833] __rtnl_newlink+0xaa7/0xd80
[ 240.006627][ T833] rtnl_newlink+0x63/0xa0
[ 240.006812][ T833] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 240.006996][ T833] netlink_rcv_skb+0x130/0x360
[ 240.007188][ T833] netlink_unicast+0x449/0x710
[ 240.007378][ T833] netlink_sendmsg+0x723/0xbe0
[ 240.007571][ T833] ____sys_sendmsg+0x7b2/0xa10
[ 240.007758][ T833] ___sys_sendmsg+0xee/0x170
[ 240.007951][ T833] __sys_sendmsg+0xcd/0x170
[ 240.008138][ T833] do_syscall_64+0xc6/0x1e0
[ 240.008332][ T833] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 240.008559][ T833] HARDIRQ-ON-R at:
[ 240.008676][ T833] __lock_acquire+0x797/0x1570
[ 240.008869][ T833] lock_acquire.part.0+0xeb/0x330
[ 240.009055][ T833] _raw_read_lock_bh+0x44/0x80
[ 240.009248][ T833] inet6_fill_ifla6_attrs+0x516/0x740
[ 240.009434][ T833] inet6_fill_link_af+0x5e/0xe0
[ 240.009659][ T833] rtnl_fill_ifinfo+0x1612/0x29e0
[ 240.009849][ T833] rtmsg_ifinfo_build_skb+0x13c/0x240
[ 240.010042][ T833] rtmsg_ifinfo_event.part.0+0x2d/0x120
[ 240.010280][ T833] rtmsg_ifinfo+0x5b/0xa0
[ 240.010479][ T833] register_netdevice+0x1177/0x1690
[ 240.010671][ T833] register_netdev+0x20/0x40
[ 240.010857][ T833] sit_init_net+0x250/0x4f0
[ 240.011060][ T833] ops_init+0x9b/0x560
[ 240.011225][ T833] register_pernet_operations+0x2db/0x710
[ 240.011466][ T833] register_pernet_device+0x2a/0x60
[ 240.011672][ T833] sit_init+0x23/0xe0
[ 240.011841][ T833] do_one_initcall+0x8d/0x1e0
[ 240.012045][ T833] do_initcalls+0x1b2/0x3e0
[ 240.012236][ T833] kernel_init_freeable+0x232/0x310
[ 240.012426][ T833] kernel_init+0x20/0x200
[ 240.012620][ T833] ret_from_fork+0x31/0x70
[ 240.012814][ T833] ret_from_fork_asm+0x1a/0x30
[ 240.013004][ T833] IN-SOFTIRQ-W at:
[ 240.013138][ T833] __lock_acquire+0x797/0x1570
[ 240.013339][ T833] lock_acquire.part.0+0xeb/0x330
[ 240.013528][ T833] _raw_write_lock+0x30/0x40
[ 240.013819][ T833] addrconf_rs_timer+0xa9/0x730
[ 240.014025][ T833] call_timer_fn+0x13b/0x230
[ 240.014222][ T833] __run_timers+0x545/0x810
[ 240.014454][ T833] run_timer_softirq+0xe8/0x1b0
[ 240.014822][ T833] __do_softirq+0x1f8/0x5df
[ 240.015031][ T833] irq_exit_rcu+0x97/0xc0
[ 240.015241][ T833] sysvec_apic_timer_interrupt+0x75/0x80
[ 240.015486][ T833] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 240.015735][ T833] default_idle+0xf/0x20
[ 240.015948][ T833] default_idle_call+0x6d/0xb0
[ 240.016156][ T833] cpuidle_idle_call+0x1f4/0x280
[ 240.016364][ T833] do_idle+0xf9/0x160
[ 240.016539][ T833] cpu_startup_entry+0x54/0x60
[ 240.016747][ T833] start_secondary+0x21c/0x2b0
[ 240.016958][ T833] common_startup_64+0x12c/0x138
[ 240.017172][ T833] IN-SOFTIRQ-R at:
[ 240.017296][ T833] __lock_acquire+0x797/0x1570
[ 240.017500][ T833] lock_acquire.part.0+0xeb/0x330
[ 240.017811][ T833] _raw_read_lock_bh+0x44/0x80
[ 240.018021][ T833] ipv6_get_lladdr+0xa9/0x3e0
[ 240.018224][ T833] addrconf_rs_timer+0x24a/0x730
[ 240.018434][ T833] call_timer_fn+0x13b/0x230
[ 240.018641][ T833] __run_timers+0x545/0x810
[ 240.018851][ T833] run_timer_softirq+0xe8/0x1b0
[ 240.019055][ T833] __do_softirq+0x1f8/0x5df
[ 240.019263][ T833] irq_exit_rcu+0x97/0xc0
[ 240.019470][ T833] sysvec_apic_timer_interrupt+0x75/0x80
[ 240.019721][ T833] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 240.020065][ T833] default_idle+0xf/0x20
[ 240.020277][ T833] default_idle_call+0x6d/0xb0
[ 240.020480][ T833] cpuidle_idle_call+0x1f4/0x280
[ 240.020784][ T833] do_idle+0xf9/0x160
[ 240.020960][ T833] cpu_startup_entry+0x54/0x60
[ 240.021162][ T833] start_secondary+0x21c/0x2b0
[ 240.021362][ T833] common_startup_64+0x12c/0x138
[ 240.021546][ T833] INITIAL USE at:
[ 240.021688][ T833] __lock_acquire+0x797/0x1570
[ 240.021894][ T833] lock_acquire.part.0+0xeb/0x330
[ 240.022102][ T833] _raw_write_lock_bh+0x38/0x50
[ 240.022307][ T833] addrconf_permanent_addr+0x6e/0x670
[ 240.022514][ T833] addrconf_notify+0x749/0xd60
[ 240.022719][ T833] notifier_call_chain+0xcd/0x150
[ 240.023011][ T833] __dev_notify_flags+0xe6/0x250
[ 240.023202][ T833] dev_change_flags+0xec/0x160
[ 240.023392][ T833] do_setlink+0x7d6/0x21e0
[ 240.023696][ T833] __rtnl_newlink+0xaa7/0xd80
[ 240.023881][ T833] rtnl_newlink+0x63/0xa0
[ 240.024065][ T833] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 240.024249][ T833] netlink_rcv_skb+0x130/0x360
[ 240.024444][ T833] netlink_unicast+0x449/0x710
[ 240.024635][ T833] netlink_sendmsg+0x723/0xbe0
[ 240.024818][ T833] ____sys_sendmsg+0x7b2/0xa10
[ 240.025005][ T833] ___sys_sendmsg+0xee/0x170
[ 240.025190][ T833] __sys_sendmsg+0xcd/0x170
[ 240.025373][ T833] do_syscall_64+0xc6/0x1e0
[ 240.025654][ T833] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 240.025874][ T833] INITIAL READ USE at:
[ 240.025984][ T833] __lock_acquire+0x797/0x1570
[ 240.026174][ T833] lock_acquire.part.0+0xeb/0x330
[ 240.026360][ T833] _raw_read_lock_bh+0x44/0x80
[ 240.026543][ T833] inet6_fill_ifla6_attrs+0x516/0x740
[ 240.026764][ T833] inet6_fill_link_af+0x5e/0xe0
[ 240.026947][ T833] rtnl_fill_ifinfo+0x1612/0x29e0
[ 240.027130][ T833] rtmsg_ifinfo_build_skb+0x13c/0x240
[ 240.027353][ T833] rtmsg_ifinfo_event.part.0+0x2d/0x120
[ 240.027694][ T833] rtmsg_ifinfo+0x5b/0xa0
[ 240.027881][ T833] register_netdevice+0x1177/0x1690
[ 240.028100][ T833] register_netdev+0x20/0x40
[ 240.028284][ T833] sit_init_net+0x250/0x4f0
[ 240.028468][ T833] ops_init+0x9b/0x560
[ 240.028656][ T833] register_pernet_operations+0x2db/0x710
[ 240.028875][ T833] register_pernet_device+0x2a/0x60
[ 240.029109][ T833] sit_init+0x23/0xe0
[ 240.029293][ T833] do_one_initcall+0x8d/0x1e0
[ 240.029478][ T833] do_initcalls+0x1b2/0x3e0
[ 240.029674][ T833] kernel_init_freeable+0x232/0x310
[ 240.029894][ T833] kernel_init+0x20/0x200
[ 240.030078][ T833] ret_from_fork+0x31/0x70
[ 240.030352][ T833] ret_from_fork_asm+0x1a/0x30
[ 240.030537][ T833] }
[ 240.030614][ T833] ... key at: [<ffffffff92e28a00>] __key.36+0x0/0x40
[ 240.030841][ T833]
[ 240.030841][ T833] the dependencies between the lock to be acquired
[ 240.030843][ T833] and SOFTIRQ-irq-unsafe lock:
[ 240.031328][ T833] -> (&p->alloc_lock){+.+.}-{2:2} {
[ 240.031482][ T833] HARDIRQ-ON-W at:
[ 240.031686][ T833] __lock_acquire+0x797/0x1570
[ 240.031873][ T833] lock_acquire.part.0+0xeb/0x330
[ 240.032058][ T833] _raw_spin_lock+0x30/0x40
[ 240.032242][ T833] set_mems_allowed+0x1d/0x210
[ 240.032516][ T833] kernel_init_freeable+0x72/0x310
[ 240.032705][ T833] kernel_init+0x20/0x200
[ 240.032889][ T833] ret_from_fork+0x31/0x70
[ 240.033164][ T833] ret_from_fork_asm+0x1a/0x30
[ 240.033348][ T833] SOFTIRQ-ON-W at:
[ 240.033458][ T833] __lock_acquire+0x797/0x1570
[ 240.033643][ T833] lock_acquire.part.0+0xeb/0x330
[ 240.033921][ T833] _raw_spin_lock+0x30/0x40
[ 240.034105][ T833] set_mems_allowed+0x1d/0x210
[ 240.034289][ T833] kernel_init_freeable+0x72/0x310
[ 240.034576][ T833] kernel_init+0x20/0x200
[ 240.034762][ T833] ret_from_fork+0x31/0x70
[ 240.034948][ T833] ret_from_fork_asm+0x1a/0x30
[ 240.035134][ T833] INITIAL USE at:
[ 240.035249][ T833] __lock_acquire+0x797/0x1570
[ 240.035434][ T833] lock_acquire.part.0+0xeb/0x330
[ 240.035618][ T833] _raw_spin_lock+0x30/0x40
[ 240.035805][ T833] set_mems_allowed+0x1d/0x210
[ 240.036079][ T833] kernel_init_freeable+0x72/0x310
[ 240.036264][ T833] kernel_init+0x20/0x200
[ 240.036447][ T833] ret_from_fork+0x31/0x70
[ 240.036742][ T833] ret_from_fork_asm+0x1a/0x30
[ 240.036928][ T833] }
[ 240.037005][ T833] ... key at: [<ffffffff91dd0d20>] __key.387+0x0/0x40
[ 240.037226][ T833] ... acquired at:
[ 240.037339][ T833] check_prev_add+0x194/0xce0
[ 240.037491][ T833] validate_chain+0x71d/0x9b0
[ 240.037640][ T833] __lock_acquire+0xaf0/0x1570
[ 240.037789][ T833] lock_acquire.part.0+0xeb/0x330
[ 240.037940][ T833] _raw_spin_lock+0x30/0x40
[ 240.038086][ T833] __get_task_comm+0x27/0x70
[ 240.038234][ T833] ref_tracker_alloc+0x2ee/0x490
[ 240.038382][ T833] netdev_get_by_index+0x5e/0x80
[ 240.038529][ T833] fib6_nh_init+0x3d8/0x15b0
[ 240.038790][ T833] ip6_route_info_create+0xf18/0x17d0
[ 240.038936][ T833] ip6_route_add+0x1c/0x140
[ 240.039081][ T833] addrconf_prefix_route+0x2a6/0x430
[ 240.039230][ T833] addrconf_permanent_addr+0x32f/0x670
[ 240.039378][ T833] addrconf_notify+0x749/0xd60
[ 240.039523][ T833] notifier_call_chain+0xcd/0x150
[ 240.039671][ T833] __dev_notify_flags+0xe6/0x250
[ 240.039817][ T833] dev_change_flags+0xec/0x160
[ 240.039965][ T833] do_setlink+0x7d6/0x21e0
[ 240.040112][ T833] __rtnl_newlink+0xaa7/0xd80
[ 240.040260][ T833] rtnl_newlink+0x63/0xa0
[ 240.040410][ T833] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 240.040559][ T833] netlink_rcv_skb+0x130/0x360
[ 240.040707][ T833] netlink_unicast+0x449/0x710
[ 240.040873][ T833] netlink_sendmsg+0x723/0xbe0
[ 240.041018][ T833] __sys_sendto+0x37d/0x410
[ 240.041165][ T833] __x64_sys_sendto+0xe0/0x1c0
[ 240.041397][ T833] do_syscall_64+0xc6/0x1e0
[ 240.041543][ T833] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 240.041727][ T833]
[ 240.041803][ T833]
[ 240.041803][ T833] stack backtrace:
[ 240.042071][ T833] CPU: 1 PID: 833 Comm: self-connect_ip Not tainted 6.9.0-rc1-virtme #1
[ 240.042290][ T833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 240.042704][ T833] Call Trace:
[ 240.042816][ T833] <TASK>
[ 240.042895][ T833] dump_stack_lvl+0x82/0xd0
[ 240.043052][ T833] print_bad_irq_dependency+0x957/0xd40
[ 240.043205][ T833] ? hlock_class+0x4e/0x130
[ 240.043445][ T833] ? __pfx_print_bad_irq_dependency+0x10/0x10
[ 240.043627][ T833] ? __pfx_usage_skip+0x10/0x10
[ 240.043772][ T833] ? __bfs+0x246/0x650
[ 240.043881][ T833] ? __pfx_usage_match+0x10/0x10
[ 240.044030][ T833] check_irq_usage+0x596/0x850
[ 240.044268][ T833] ? __pfx_check_irq_usage+0x10/0x10
[ 240.044414][ T833] ? __bfs+0x246/0x650
[ 240.044548][ T833] ? __pfx_hlock_conflict+0x10/0x10
[ 240.044699][ T833] ? check_path.constprop.0+0x24/0x50
[ 240.044954][ T833] ? check_noncircular+0x14c/0x3e0
[ 240.045102][ T833] ? __pfx_check_noncircular+0x10/0x10
[ 240.045279][ T833] ? check_prev_add+0x194/0xce0
[ 240.045437][ T833] check_prev_add+0x194/0xce0
[ 240.045686][ T833] ? validate_chain+0x130/0x9b0
[ 240.045867][ T833] validate_chain+0x71d/0x9b0
[ 240.046037][ T833] ? mark_lock+0x38/0x3e0
[ 240.046152][ T833] ? __pfx_validate_chain+0x10/0x10
[ 240.046300][ T833] ? hlock_class+0x4e/0x130
[ 240.046623][ T833] ? mark_lock+0x38/0x3e0
[ 240.046739][ T833] __lock_acquire+0xaf0/0x1570
[ 240.046887][ T833] lock_acquire.part.0+0xeb/0x330
[ 240.047037][ T833] ? __get_task_comm+0x27/0x70
[ 240.047184][ T833] ? mark_lock+0x38/0x3e0
[ 240.047302][ T833] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 240.047453][ T833] ? trace_lock_acquire+0x135/0x1c0
[ 240.047601][ T833] ? __get_task_comm+0x27/0x70
[ 240.047749][ T833] ? lock_acquire+0x32/0xc0
[ 240.047895][ T833] ? __get_task_comm+0x27/0x70
[ 240.048042][ T833] _raw_spin_lock+0x30/0x40
[ 240.048188][ T833] ? __get_task_comm+0x27/0x70
[ 240.048336][ T833] __get_task_comm+0x27/0x70
[ 240.048571][ T833] ref_tracker_alloc+0x2ee/0x490
[ 240.048719][ T833] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 240.048889][ T833] ? dev_get_by_index+0x177/0x270
[ 240.049036][ T833] ? netdev_get_by_index+0x5e/0x80
[ 240.049281][ T833] ? fib6_nh_init+0x3d8/0x15b0
[ 240.049435][ T833] ? ip6_route_info_create+0xf18/0x17d0
[ 240.049585][ T833] ? ip6_route_add+0x1c/0x140
[ 240.049731][ T833] ? addrconf_prefix_route+0x2a6/0x430
[ 240.049887][ T833] ? addrconf_permanent_addr+0x32f/0x670
[ 240.050133][ T833] ? addrconf_notify+0x749/0xd60
[ 240.050292][ T833] ? notifier_call_chain+0xcd/0x150
[ 240.050439][ T833] ? __dev_notify_flags+0xe6/0x250
[ 240.050596][ T833] ? dev_change_flags+0xec/0x160
[ 240.050835][ T833] ? do_setlink+0x7d6/0x21e0
[ 240.050988][ T833] ? __rtnl_newlink+0xaa7/0xd80
[ 240.051135][ T833] ? rtnl_newlink+0x63/0xa0
[ 240.051283][ T833] ? rtnetlink_rcv_msg+0x2fb/0xbf0
[ 240.051526][ T833] ? netlink_rcv_skb+0x130/0x360
[ 240.051678][ T833] ? netlink_unicast+0x449/0x710
[ 240.051831][ T833] ? dev_get_by_index+0x177/0x270
[ 240.051980][ T833] netdev_get_by_index+0x5e/0x80
[ 240.052229][ T833] fib6_nh_init+0x3d8/0x15b0
[ 240.052380][ T833] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370
[ 240.052568][ T833] ? __pfx_fib6_nh_init+0x10/0x10
[ 240.052714][ T833] ? kasan_save_track+0x14/0x30
[ 240.052980][ T833] ? __kasan_kmalloc+0x7f/0x90
[ 240.053128][ T833] ? __kmalloc+0x1d7/0x3c0
[ 240.053296][ T833] ? fib6_get_table+0x116/0x290
[ 240.053468][ T833] ip6_route_info_create+0xf18/0x17d0
[ 240.053629][ T833] ? __pfx_ip6_route_info_create+0x10/0x10
[ 240.053921][ T833] ? __pfx_validate_chain+0x10/0x10
[ 240.054068][ T833] ip6_route_add+0x1c/0x140
[ 240.054237][ T833] addrconf_prefix_route+0x2a6/0x430
[ 240.054386][ T833] ? __pfx_addrconf_prefix_route+0x10/0x10
[ 240.054690][ T833] ? do_raw_write_lock+0x122/0x3b0
[ 240.054872][ T833] ? __pfx_do_raw_write_lock+0x10/0x10
[ 240.055018][ T833] ? lock_acquire+0x32/0xc0
[ 240.055173][ T833] ? addrconf_permanent_addr+0x6e/0x670
[ 240.055410][ T833] addrconf_permanent_addr+0x32f/0x670
[ 240.055569][ T833] addrconf_notify+0x749/0xd60
[ 240.055714][ T833] ? fib_netdev_event+0x3f7/0x5a0
[ 240.055868][ T833] notifier_call_chain+0xcd/0x150
[ 240.056107][ T833] __dev_notify_flags+0xe6/0x250
[ 240.056269][ T833] ? __pfx___dev_notify_flags+0x10/0x10
[ 240.056416][ T833] ? __dev_change_flags+0x469/0x6c0
[ 240.056563][ T833] ? __pfx___dev_change_flags+0x10/0x10
[ 240.056798][ T833] ? find_held_lock+0x2c/0x110
[ 240.056946][ T833] dev_change_flags+0xec/0x160
[ 240.057093][ T833] do_setlink+0x7d6/0x21e0
[ 240.057242][ T833] ? is_bpf_text_address+0x6c/0x120
[ 240.057485][ T833] ? __pfx_do_setlink+0x10/0x10
[ 240.057633][ T833] ? is_bpf_text_address+0x71/0x120
[ 240.057782][ T833] ? kernel_text_address+0xce/0xe0
[ 240.057932][ T833] ? __kernel_text_address+0x12/0x40
[ 240.058078][ T833] ? unwind_get_return_address+0x5e/0xa0
[ 240.058418][ T833] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 240.058607][ T833] ? arch_stack_walk+0xa2/0xf0
[ 240.058761][ T833] ? stack_trace_save+0x94/0xd0
[ 240.058912][ T833] ? __pfx_stack_trace_save+0x10/0x10
[ 240.059175][ T833] ? stack_depot_save_flags+0x45/0x530
[ 240.059336][ T833] ? mark_lock+0x38/0x3e0
[ 240.059470][ T833] ? kasan_save_stack+0x34/0x50
[ 240.059634][ T833] ? kasan_save_stack+0x24/0x50
[ 240.059883][ T833] ? kasan_save_track+0x14/0x30
[ 240.060048][ T833] ? __kasan_kmalloc+0x7f/0x90
[ 240.060207][ T833] ? rtnl_newlink+0x4a/0xa0
[ 240.060366][ T833] ? rtnetlink_rcv_msg+0x2fb/0xbf0
[ 240.060649][ T833] ? netlink_rcv_skb+0x130/0x360
[ 240.060812][ T833] ? validate_nla+0x1d30/0x1d30
[ 240.060980][ T833] ? netlink_sendmsg+0x723/0xbe0
[ 240.061140][ T833] ? __sys_sendto+0x37d/0x410
[ 240.061304][ T833] ? __x64_sys_sendto+0xe0/0x1c0
[ 240.061464][ T833] __rtnl_newlink+0xaa7/0xd80
[ 240.061629][ T833] ? hlock_class+0x4e/0x130
[ 240.061789][ T833] ? __pfx___rtnl_newlink+0x10/0x10
[ 240.061975][ T833] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 240.062187][ T833] ? __create_object+0x5e/0xb0
[ 240.062350][ T833] ? trace_kmalloc+0x2a/0xe0
[ 240.062515][ T833] rtnl_newlink+0x63/0xa0
[ 240.062635][ T833] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 240.062880][ T833] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 240.063029][ T833] ? hlock_class+0x4e/0x130
[ 240.063173][ T833] ? mark_lock+0x38/0x3e0
[ 240.063298][ T833] ? __lock_acquire+0xaf0/0x1570
[ 240.063448][ T833] netlink_rcv_skb+0x130/0x360
[ 240.063710][ T833] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 240.063864][ T833] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 240.064028][ T833] ? lock_acquire.part.0+0xeb/0x330
[ 240.064191][ T833] ? netlink_deliver_tap+0xc8/0x340
[ 240.064358][ T833] ? lock_acquire+0x32/0xc0
[ 240.064526][ T833] ? netlink_deliver_tap+0xc8/0x340
[ 240.064699][ T833] ? netlink_deliver_tap+0xc8/0x340
[ 240.064859][ T833] ? netlink_deliver_tap+0x149/0x340
[ 240.065017][ T833] netlink_unicast+0x449/0x710
[ 240.065178][ T833] ? __pfx_netlink_unicast+0x10/0x10
[ 240.065337][ T833] ? netlink_autobind.isra.0+0xa5/0x270
[ 240.065501][ T833] ? netlink_autobind.isra.0+0x18a/0x270
[ 240.065664][ T833] netlink_sendmsg+0x723/0xbe0
[ 240.065833][ T833] ? __pfx_netlink_sendmsg+0x10/0x10
[ 240.065998][ T833] ? __fget_light+0x53/0x1e0
[ 240.066171][ T833] __sys_sendto+0x37d/0x410
[ 240.066332][ T833] ? __pfx___sys_sendto+0x10/0x10
[ 240.066587][ T833] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 240.066791][ T833] ? __pfx___debug_check_no_obj_freed+0x10/0x10
[ 240.066991][ T833] ? __virt_addr_valid+0x227/0x420
[ 240.067242][ T833] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 240.067448][ T833] __x64_sys_sendto+0xe0/0x1c0
[ 240.067608][ T833] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 240.067807][ T833] do_syscall_64+0xc6/0x1e0
[ 240.068058][ T833] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 240.068259][ T833] RIP: 0033:0x7f69c59a6700
[ 240.068429][ T833] Code: ff ff 64 89 02 eb bd 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 1d 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 68 c3 0f 1f 80 00 00 00 00 41 54 48 83 ec 20
[ 240.069090][ T833] RSP: 002b:00007ffc037ccc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 240.069333][ T833] RAX: ffffffffffffffda RBX: 0000000000001b62 RCX: 00007f69c59a6700
[ 240.069671][ T833] RDX: 0000000000000020 RSI: 00007ffc037ccc40 RDI: 0000000000000008
[ 240.069913][ T833] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
[ 240.070158][ T833] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc037ccc40
[ 240.070401][ T833] R13: 0000000000000080 R14: 0100000000000000 R15: 00005402b80d0120
[ 240.070644][ T833] </TASK>
[ 240.202211][ T833] self-connect_ip (833) used greatest stack depth: 22592 bytes left