[ 237.667068][ T832] [ 237.667237][ T832] ===================================================== [ 237.667446][ T832] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 237.667690][ T832] 6.9.0-rc1-virtme #1 Not tainted [ 237.667853][ T832] ----------------------------------------------------- [ 237.668063][ T832] self-connect_ip/832 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 237.668311][ T832] ffff88800826cee8 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 237.668620][ T832] [ 237.668620][ T832] and this task is already holding: [ 237.668869][ T832] ffff888006576d80 (&ndev->lock){++--}-{2:2}, at: addrconf_permanent_addr+0x6e/0x670 [ 237.669161][ T832] which would create a new lock dependency: [ 237.669365][ T832] (&ndev->lock){++--}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 237.669642][ T832] [ 237.669642][ T832] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 237.669901][ T832] (&ndev->lock){++--}-{2:2} [ 237.669904][ T832] [ 237.669904][ T832] ... which became SOFTIRQ-irq-safe at: [ 237.670280][ T832] __lock_acquire+0x797/0x1570 [ 237.670433][ T832] lock_acquire.part.0+0xeb/0x330 [ 237.670591][ T832] _raw_write_lock+0x30/0x40 [ 237.670772][ T832] addrconf_rs_timer+0xa9/0x730 [ 237.670922][ T832] call_timer_fn+0x13b/0x230 [ 237.671075][ T832] __run_timers+0x545/0x810 [ 237.671226][ T832] run_timer_softirq+0xe8/0x1b0 [ 237.671376][ T832] __do_softirq+0x1f8/0x5df [ 237.671529][ T832] irq_exit_rcu+0x97/0xc0 [ 237.671709][ T832] sysvec_apic_timer_interrupt+0x75/0x80 [ 237.671874][ T832] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 237.672081][ T832] unwind_next_frame+0x173/0x1d00 [ 237.672244][ T832] arch_stack_walk+0x8c/0xf0 [ 237.672431][ T832] stack_trace_save+0x94/0xd0 [ 237.672590][ T832] set_track_prepare+0x79/0xd0 [ 237.672759][ T832] __alloc_object+0x2bf/0x6f0 [ 237.672926][ T832] __create_object+0x22/0xb0 [ 237.673092][ T832] kmem_cache_alloc_lru+0x208/0x270 [ 237.673262][ T832] sock_alloc_inode+0x23/0x1c0 [ 237.673455][ T832] alloc_inode+0x5b/0x200 [ 237.673619][ T832] new_inode_pseudo+0x11/0x70 [ 237.673786][ T832] sock_alloc+0x40/0x280 [ 237.673925][ T832] __sock_create+0x6b/0x5c0 [ 237.674095][ T832] __sys_socket+0x11c/0x1e0 [ 237.674261][ T832] __x64_sys_socket+0x72/0xb0 [ 237.674430][ T832] do_syscall_64+0xc6/0x1e0 [ 237.674601][ T832] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 237.674840][ T832] [ 237.674840][ T832] to a SOFTIRQ-irq-unsafe lock: [ 237.675047][ T832] (&p->alloc_lock){+.+.}-{2:2} [ 237.675052][ T832] [ 237.675052][ T832] ... which became SOFTIRQ-irq-unsafe at: [ 237.675463][ T832] ... [ 237.675465][ T832] __lock_acquire+0x797/0x1570 [ 237.675718][ T832] lock_acquire.part.0+0xeb/0x330 [ 237.675885][ T832] _raw_spin_lock+0x30/0x40 [ 237.676052][ T832] set_mems_allowed+0x1d/0x210 [ 237.676222][ T832] kernel_init_freeable+0x72/0x310 [ 237.676393][ T832] kernel_init+0x20/0x200 [ 237.676554][ T832] ret_from_fork+0x31/0x70 [ 237.676721][ T832] ret_from_fork_asm+0x1a/0x30 [ 237.676881][ T832] [ 237.676881][ T832] other info that might help us debug this: [ 237.676881][ T832] [ 237.677200][ T832] Possible interrupt unsafe locking scenario: [ 237.677200][ T832] [ 237.677440][ T832] CPU0 CPU1 [ 237.677590][ T832] ---- ---- [ 237.677744][ T832] lock(&p->alloc_lock); [ 237.677893][ T832] local_irq_disable(); [ 237.678089][ T832] lock(&ndev->lock); [ 237.678274][ T832] lock(&p->alloc_lock); [ 237.678467][ T832] [ 237.678588][ T832] lock(&ndev->lock); [ 237.678739][ T832] [ 237.678739][ T832] *** DEADLOCK *** [ 237.678739][ T832] [ 237.678969][ T832] 2 locks held by self-connect_ip/832: [ 237.679123][ T832] #0: ffffffffa6194cc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xbf0 [ 237.679407][ T832] #1: ffff888006576d80 (&ndev->lock){++--}-{2:2}, at: addrconf_permanent_addr+0x6e/0x670 [ 237.679699][ T832] [ 237.679699][ T832] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 237.680008][ T832] -> (&ndev->lock){++--}-{2:2} { [ 237.680170][ T832] HARDIRQ-ON-W at: [ 237.680283][ T832] __lock_acquire+0x797/0x1570 [ 237.680494][ T832] lock_acquire.part.0+0xeb/0x330 [ 237.680719][ T832] _raw_write_lock_bh+0x38/0x50 [ 237.680967][ T832] addrconf_permanent_addr+0x6e/0x670 [ 237.681182][ T832] addrconf_notify+0x749/0xd60 [ 237.681392][ T832] notifier_call_chain+0xcd/0x150 [ 237.681602][ T832] __dev_notify_flags+0xe6/0x250 [ 237.681813][ T832] dev_change_flags+0xec/0x160 [ 237.682018][ T832] do_setlink+0x7d6/0x21e0 [ 237.682226][ T832] __rtnl_newlink+0xaa7/0xd80 [ 237.682437][ T832] rtnl_newlink+0x63/0xa0 [ 237.682651][ T832] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 237.682882][ T832] netlink_rcv_skb+0x130/0x360 [ 237.683096][ T832] netlink_unicast+0x449/0x710 [ 237.683304][ T832] netlink_sendmsg+0x723/0xbe0 [ 237.683507][ T832] ____sys_sendmsg+0x7b2/0xa10 [ 237.683717][ T832] ___sys_sendmsg+0xee/0x170 [ 237.683937][ T832] __sys_sendmsg+0xcd/0x170 [ 237.684147][ T832] do_syscall_64+0xc6/0x1e0 [ 237.684357][ T832] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 237.684607][ T832] HARDIRQ-ON-R at: [ 237.684734][ T832] __lock_acquire+0x797/0x1570 [ 237.684944][ T832] lock_acquire.part.0+0xeb/0x330 [ 237.685141][ T832] _raw_read_lock_bh+0x44/0x80 [ 237.685335][ T832] inet6_fill_ifla6_attrs+0x516/0x740 [ 237.685519][ T832] inet6_fill_link_af+0x5e/0xe0 [ 237.685714][ T832] rtnl_fill_ifinfo+0x1612/0x29e0 [ 237.685902][ T832] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 237.686100][ T832] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 237.686352][ T832] rtmsg_ifinfo+0x5b/0xa0 [ 237.686546][ T832] register_netdevice+0x1177/0x1690 [ 237.686764][ T832] register_netdev+0x20/0x40 [ 237.686967][ T832] sit_init_net+0x250/0x4f0 [ 237.687284][ T832] ops_init+0x9b/0x560 [ 237.687441][ T832] register_pernet_operations+0x2db/0x710 [ 237.687679][ T832] register_pernet_device+0x2a/0x60 [ 237.687887][ T832] sit_init+0x23/0xe0 [ 237.688059][ T832] do_one_initcall+0x8d/0x1e0 [ 237.688270][ T832] do_initcalls+0x1b2/0x3e0 [ 237.688476][ T832] kernel_init_freeable+0x232/0x310 [ 237.688681][ T832] kernel_init+0x20/0x200 [ 237.688886][ T832] ret_from_fork+0x31/0x70 [ 237.689093][ T832] ret_from_fork_asm+0x1a/0x30 [ 237.689302][ T832] IN-SOFTIRQ-W at: [ 237.689518][ T832] __lock_acquire+0x797/0x1570 [ 237.689726][ T832] lock_acquire.part.0+0xeb/0x330 [ 237.689934][ T832] _raw_write_lock+0x30/0x40 [ 237.690141][ T832] addrconf_rs_timer+0xa9/0x730 [ 237.690462][ T832] call_timer_fn+0x13b/0x230 [ 237.690670][ T832] __run_timers+0x545/0x810 [ 237.690898][ T832] run_timer_softirq+0xe8/0x1b0 [ 237.691106][ T832] __do_softirq+0x1f8/0x5df [ 237.691314][ T832] irq_exit_rcu+0x97/0xc0 [ 237.691522][ T832] sysvec_apic_timer_interrupt+0x75/0x80 [ 237.691775][ T832] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 237.692023][ T832] unwind_next_frame+0x173/0x1d00 [ 237.692235][ T832] arch_stack_walk+0x8c/0xf0 [ 237.692531][ T832] stack_trace_save+0x94/0xd0 [ 237.692729][ T832] set_track_prepare+0x79/0xd0 [ 237.692916][ T832] __alloc_object+0x2bf/0x6f0 [ 237.693107][ T832] __create_object+0x22/0xb0 [ 237.693409][ T832] kmem_cache_alloc_lru+0x208/0x270 [ 237.693611][ T832] sock_alloc_inode+0x23/0x1c0 [ 237.693812][ T832] alloc_inode+0x5b/0x200 [ 237.694071][ T832] new_inode_pseudo+0x11/0x70 [ 237.694260][ T832] sock_alloc+0x40/0x280 [ 237.694443][ T832] __sock_create+0x6b/0x5c0 [ 237.694662][ T832] __sys_socket+0x11c/0x1e0 [ 237.694975][ T832] __x64_sys_socket+0x72/0xb0 [ 237.695182][ T832] do_syscall_64+0xc6/0x1e0 [ 237.695374][ T832] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 237.695712][ T832] IN-SOFTIRQ-R at: [ 237.695837][ T832] __lock_acquire+0x797/0x1570 [ 237.696044][ T832] lock_acquire.part.0+0xeb/0x330 [ 237.696249][ T832] _raw_read_lock_bh+0x44/0x80 [ 237.696544][ T832] ipv6_get_lladdr+0xa9/0x3e0 [ 237.696756][ T832] addrconf_rs_timer+0x24a/0x730 [ 237.696964][ T832] call_timer_fn+0x13b/0x230 [ 237.697264][ T832] __run_timers+0x545/0x810 [ 237.697471][ T832] run_timer_softirq+0xe8/0x1b0 [ 237.697677][ T832] __do_softirq+0x1f8/0x5df [ 237.697973][ T832] irq_exit_rcu+0x97/0xc0 [ 237.698179][ T832] sysvec_apic_timer_interrupt+0x75/0x80 [ 237.698429][ T832] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 237.698796][ T832] unwind_next_frame+0x173/0x1d00 [ 237.699005][ T832] arch_stack_walk+0x8c/0xf0 [ 237.699213][ T832] stack_trace_save+0x94/0xd0 [ 237.699419][ T832] set_track_prepare+0x79/0xd0 [ 237.699717][ T832] __alloc_object+0x2bf/0x6f0 [ 237.699931][ T832] __create_object+0x22/0xb0 [ 237.700128][ T832] kmem_cache_alloc_lru+0x208/0x270 [ 237.700406][ T832] sock_alloc_inode+0x23/0x1c0 [ 237.700639][ T832] alloc_inode+0x5b/0x200 [ 237.700824][ T832] new_inode_pseudo+0x11/0x70 [ 237.701029][ T832] sock_alloc+0x40/0x280 [ 237.701324][ T832] __sock_create+0x6b/0x5c0 [ 237.701549][ T832] __sys_socket+0x11c/0x1e0 [ 237.701737][ T832] __x64_sys_socket+0x72/0xb0 [ 237.702033][ T832] do_syscall_64+0xc6/0x1e0 [ 237.702239][ T832] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 237.702485][ T832] INITIAL USE at: [ 237.702601][ T832] __lock_acquire+0x797/0x1570 [ 237.702904][ T832] lock_acquire.part.0+0xeb/0x330 [ 237.703117][ T832] _raw_write_lock_bh+0x38/0x50 [ 237.703322][ T832] addrconf_permanent_addr+0x6e/0x670 [ 237.703602][ T832] addrconf_notify+0x749/0xd60 [ 237.703789][ T832] notifier_call_chain+0xcd/0x150 [ 237.703984][ T832] __dev_notify_flags+0xe6/0x250 [ 237.704285][ T832] dev_change_flags+0xec/0x160 [ 237.704481][ T832] do_setlink+0x7d6/0x21e0 [ 237.704700][ T832] __rtnl_newlink+0xaa7/0xd80 [ 237.704906][ T832] rtnl_newlink+0x63/0xa0 [ 237.705110][ T832] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 237.705318][ T832] netlink_rcv_skb+0x130/0x360 [ 237.705527][ T832] netlink_unicast+0x449/0x710 [ 237.705732][ T832] netlink_sendmsg+0x723/0xbe0 [ 237.705946][ T832] ____sys_sendmsg+0x7b2/0xa10 [ 237.706152][ T832] ___sys_sendmsg+0xee/0x170 [ 237.706358][ T832] __sys_sendmsg+0xcd/0x170 [ 237.706656][ T832] do_syscall_64+0xc6/0x1e0 [ 237.706880][ T832] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 237.707128][ T832] INITIAL READ USE at: [ 237.707373][ T832] __lock_acquire+0x797/0x1570 [ 237.707584][ T832] lock_acquire.part.0+0xeb/0x330 [ 237.707779][ T832] _raw_read_lock_bh+0x44/0x80 [ 237.707971][ T832] inet6_fill_ifla6_attrs+0x516/0x740 [ 237.708230][ T832] inet6_fill_link_af+0x5e/0xe0 [ 237.708431][ T832] rtnl_fill_ifinfo+0x1612/0x29e0 [ 237.708642][ T832] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 237.708911][ T832] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 237.709142][ T832] rtmsg_ifinfo+0x5b/0xa0 [ 237.709333][ T832] register_netdevice+0x1177/0x1690 [ 237.709685][ T832] register_netdev+0x20/0x40 [ 237.709887][ T832] sit_init_net+0x250/0x4f0 [ 237.710095][ T832] ops_init+0x9b/0x560 [ 237.710419][ T832] register_pernet_operations+0x2db/0x710 [ 237.710666][ T832] register_pernet_device+0x2a/0x60 [ 237.710935][ T832] sit_init+0x23/0xe0 [ 237.711144][ T832] do_one_initcall+0x8d/0x1e0 [ 237.711355][ T832] do_initcalls+0x1b2/0x3e0 [ 237.711569][ T832] kernel_init_freeable+0x232/0x310 [ 237.711817][ T832] kernel_init+0x20/0x200 [ 237.712023][ T832] ret_from_fork+0x31/0x70 [ 237.712229][ T832] ret_from_fork_asm+0x1a/0x30 [ 237.712452][ T832] } [ 237.712634][ T832] ... key at: [] __key.36+0x0/0x40 [ 237.712880][ T832] [ 237.712880][ T832] the dependencies between the lock to be acquired [ 237.712882][ T832] and SOFTIRQ-irq-unsafe lock: [ 237.713431][ T832] -> (&p->alloc_lock){+.+.}-{2:2} { [ 237.713604][ T832] HARDIRQ-ON-W at: [ 237.713729][ T832] __lock_acquire+0x797/0x1570 [ 237.713969][ T832] lock_acquire.part.0+0xeb/0x330 [ 237.714269][ T832] _raw_spin_lock+0x30/0x40 [ 237.714478][ T832] set_mems_allowed+0x1d/0x210 [ 237.714677][ T832] kernel_init_freeable+0x72/0x310 [ 237.714887][ T832] kernel_init+0x20/0x200 [ 237.715079][ T832] ret_from_fork+0x31/0x70 [ 237.715282][ T832] ret_from_fork_asm+0x1a/0x30 [ 237.715486][ T832] SOFTIRQ-ON-W at: [ 237.715602][ T832] __lock_acquire+0x797/0x1570 [ 237.715802][ T832] lock_acquire.part.0+0xeb/0x330 [ 237.716015][ T832] _raw_spin_lock+0x30/0x40 [ 237.716217][ T832] set_mems_allowed+0x1d/0x210 [ 237.716528][ T832] kernel_init_freeable+0x72/0x310 [ 237.716731][ T832] kernel_init+0x20/0x200 [ 237.716937][ T832] ret_from_fork+0x31/0x70 [ 237.717228][ T832] ret_from_fork_asm+0x1a/0x30 [ 237.717436][ T832] INITIAL USE at: [ 237.717560][ T832] __lock_acquire+0x797/0x1570 [ 237.717764][ T832] lock_acquire.part.0+0xeb/0x330 [ 237.718057][ T832] _raw_spin_lock+0x30/0x40 [ 237.718261][ T832] set_mems_allowed+0x1d/0x210 [ 237.718466][ T832] kernel_init_freeable+0x72/0x310 [ 237.718788][ T832] kernel_init+0x20/0x200 [ 237.719004][ T832] ret_from_fork+0x31/0x70 [ 237.719210][ T832] ret_from_fork_asm+0x1a/0x30 [ 237.719417][ T832] } [ 237.719678][ T832] ... key at: [] __key.387+0x0/0x40 [ 237.719928][ T832] ... acquired at: [ 237.720051][ T832] check_prev_add+0x194/0xce0 [ 237.720217][ T832] validate_chain+0x71d/0x9b0 [ 237.720473][ T832] __lock_acquire+0xaf0/0x1570 [ 237.720645][ T832] lock_acquire.part.0+0xeb/0x330 [ 237.720810][ T832] _raw_spin_lock+0x30/0x40 [ 237.720971][ T832] __get_task_comm+0x27/0x70 [ 237.721134][ T832] ref_tracker_alloc+0x2ee/0x490 [ 237.721410][ T832] netdev_get_by_index+0x5e/0x80 [ 237.721574][ T832] fib6_nh_init+0x3d8/0x15b0 [ 237.721739][ T832] ip6_route_info_create+0xf18/0x17d0 [ 237.721903][ T832] ip6_route_add+0x1c/0x140 [ 237.722071][ T832] addrconf_prefix_route+0x2a6/0x430 [ 237.722232][ T832] addrconf_permanent_addr+0x32f/0x670 [ 237.722397][ T832] addrconf_notify+0x749/0xd60 [ 237.722560][ T832] notifier_call_chain+0xcd/0x150 [ 237.722740][ T832] __dev_notify_flags+0xe6/0x250 [ 237.722905][ T832] dev_change_flags+0xec/0x160 [ 237.723072][ T832] do_setlink+0x7d6/0x21e0 [ 237.723237][ T832] __rtnl_newlink+0xaa7/0xd80 [ 237.723497][ T832] rtnl_newlink+0x63/0xa0 [ 237.723661][ T832] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 237.723825][ T832] netlink_rcv_skb+0x130/0x360 [ 237.724002][ T832] netlink_unicast+0x449/0x710 [ 237.724169][ T832] netlink_sendmsg+0x723/0xbe0 [ 237.724437][ T832] __sys_sendto+0x37d/0x410 [ 237.724599][ T832] __x64_sys_sendto+0xe0/0x1c0 [ 237.724758][ T832] do_syscall_64+0xc6/0x1e0 [ 237.724920][ T832] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 237.725128][ T832] [ 237.725212][ T832] [ 237.725212][ T832] stack backtrace: [ 237.725412][ T832] CPU: 0 PID: 832 Comm: self-connect_ip Not tainted 6.9.0-rc1-virtme #1 [ 237.725637][ T832] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 237.725963][ T832] Call Trace: [ 237.726103][ T832] [ 237.726185][ T832] dump_stack_lvl+0x82/0xd0 [ 237.726432][ T832] print_bad_irq_dependency+0x957/0xd40 [ 237.726585][ T832] ? hlock_class+0x4e/0x130 [ 237.726754][ T832] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 237.726960][ T832] ? __pfx_usage_skip+0x10/0x10 [ 237.727252][ T832] ? __bfs+0x246/0x650 [ 237.727366][ T832] ? __pfx_usage_match+0x10/0x10 [ 237.727532][ T832] check_irq_usage+0x596/0x850 [ 237.727683][ T832] ? __pfx_check_irq_usage+0x10/0x10 [ 237.727838][ T832] ? __bfs+0x246/0x650 [ 237.727966][ T832] ? __pfx_hlock_conflict+0x10/0x10 [ 237.728116][ T832] ? check_path.constprop.0+0x24/0x50 [ 237.728263][ T832] ? check_noncircular+0x14c/0x3e0 [ 237.728410][ T832] ? __pfx_check_noncircular+0x10/0x10 [ 237.728586][ T832] ? check_prev_add+0x194/0xce0 [ 237.728745][ T832] check_prev_add+0x194/0xce0 [ 237.728988][ T832] ? validate_chain+0x130/0x9b0 [ 237.729209][ T832] validate_chain+0x71d/0x9b0 [ 237.729414][ T832] ? mark_lock+0x38/0x3e0 [ 237.729755][ T832] ? __pfx_validate_chain+0x10/0x10 [ 237.729986][ T832] ? hlock_class+0x4e/0x130 [ 237.730233][ T832] ? mark_lock+0x38/0x3e0 [ 237.730415][ T832] __lock_acquire+0xaf0/0x1570 [ 237.730812][ T832] lock_acquire.part.0+0xeb/0x330 [ 237.731058][ T832] ? __get_task_comm+0x27/0x70 [ 237.731306][ T832] ? mark_lock+0x38/0x3e0 [ 237.731504][ T832] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 237.731743][ T832] ? trace_lock_acquire+0x135/0x1c0 [ 237.732162][ T832] ? __get_task_comm+0x27/0x70 [ 237.732411][ T832] ? lock_acquire+0x32/0xc0 [ 237.732641][ T832] ? __get_task_comm+0x27/0x70 [ 237.732883][ T832] _raw_spin_lock+0x30/0x40 [ 237.733471][ T832] ? __get_task_comm+0x27/0x70 [ 237.733714][ T832] __get_task_comm+0x27/0x70 [ 237.733970][ T832] ref_tracker_alloc+0x2ee/0x490 [ 237.734244][ T832] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 237.734504][ T832] ? dev_get_by_index+0x177/0x270 [ 237.734751][ T832] ? netdev_get_by_index+0x5e/0x80 [ 237.735025][ T832] ? fib6_nh_init+0x3d8/0x15b0 [ 237.735271][ T832] ? ip6_route_info_create+0xf18/0x17d0 [ 237.735540][ T832] ? ip6_route_add+0x1c/0x140 [ 237.735782][ T832] ? addrconf_prefix_route+0x2a6/0x430 [ 237.736035][ T832] ? addrconf_permanent_addr+0x32f/0x670 [ 237.736279][ T832] ? addrconf_notify+0x749/0xd60 [ 237.736519][ T832] ? notifier_call_chain+0xcd/0x150 [ 237.736949][ T832] ? __dev_notify_flags+0xe6/0x250 [ 237.737199][ T832] ? dev_change_flags+0xec/0x160 [ 237.737465][ T832] ? do_setlink+0x7d6/0x21e0 [ 237.737705][ T832] ? __rtnl_newlink+0xaa7/0xd80 [ 237.738110][ T832] ? rtnl_newlink+0x63/0xa0 [ 237.738343][ T832] ? rtnetlink_rcv_msg+0x2fb/0xbf0 [ 237.738590][ T832] ? netlink_rcv_skb+0x130/0x360 [ 237.738851][ T832] ? netlink_unicast+0x449/0x710 [ 237.739288][ T832] ? dev_get_by_index+0x177/0x270 [ 237.739558][ T832] netdev_get_by_index+0x5e/0x80 [ 237.739830][ T832] fib6_nh_init+0x3d8/0x15b0 [ 237.740090][ T832] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 237.740441][ T832] ? __pfx_fib6_nh_init+0x10/0x10 [ 237.740684][ T832] ? kasan_save_track+0x14/0x30 [ 237.740936][ T832] ? __kasan_kmalloc+0x7f/0x90 [ 237.741182][ T832] ? __kmalloc+0x1d7/0x3c0 [ 237.741432][ T832] ? fib6_get_table+0x116/0x290 [ 237.741701][ T832] ip6_route_info_create+0xf18/0x17d0 [ 237.741947][ T832] ? __pfx_ip6_route_info_create+0x10/0x10 [ 237.742241][ T832] ? __pfx_validate_chain+0x10/0x10 [ 237.742478][ T832] ip6_route_add+0x1c/0x140 [ 237.742868][ T832] addrconf_prefix_route+0x2a6/0x430 [ 237.743115][ T832] ? __pfx_addrconf_prefix_route+0x10/0x10 [ 237.743428][ T832] ? do_raw_write_lock+0x122/0x3b0 [ 237.743664][ T832] ? __pfx_do_raw_write_lock+0x10/0x10 [ 237.744097][ T832] ? lock_acquire+0x32/0xc0 [ 237.744354][ T832] ? addrconf_permanent_addr+0x6e/0x670 [ 237.744594][ T832] addrconf_permanent_addr+0x32f/0x670 [ 237.744832][ T832] addrconf_notify+0x749/0xd60 [ 237.745220][ T832] ? fib_netdev_event+0x3f7/0x5a0 [ 237.745469][ T832] notifier_call_chain+0xcd/0x150 [ 237.745705][ T832] __dev_notify_flags+0xe6/0x250 [ 237.745943][ T832] ? __pfx___dev_notify_flags+0x10/0x10 [ 237.746344][ T832] ? __dev_change_flags+0x469/0x6c0 [ 237.746591][ T832] ? __pfx___dev_change_flags+0x10/0x10 [ 237.746834][ T832] ? find_held_lock+0x2c/0x110 [ 237.747089][ T832] dev_change_flags+0xec/0x160 [ 237.747329][ T832] do_setlink+0x7d6/0x21e0 [ 237.747574][ T832] ? is_bpf_text_address+0x6c/0x120 [ 237.747815][ T832] ? __pfx_do_setlink+0x10/0x10 [ 237.748051][ T832] ? is_bpf_text_address+0x71/0x120 [ 237.748283][ T832] ? kernel_text_address+0xce/0xe0 [ 237.748516][ T832] ? __kernel_text_address+0x12/0x40 [ 237.748744][ T832] ? unwind_get_return_address+0x5e/0xa0 [ 237.748993][ T832] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 237.749317][ T832] ? arch_stack_walk+0xa2/0xf0 [ 237.749719][ T832] ? stack_trace_save+0x94/0xd0 [ 237.749958][ T832] ? __pfx_stack_trace_save+0x10/0x10 [ 237.750192][ T832] ? stack_depot_save_flags+0x45/0x530 [ 237.750430][ T832] ? mark_lock+0x38/0x3e0 [ 237.750775][ T832] ? kasan_save_stack+0x34/0x50 [ 237.751021][ T832] ? kasan_save_stack+0x24/0x50 [ 237.751271][ T832] ? kasan_save_track+0x14/0x30 [ 237.751522][ T832] ? __kasan_kmalloc+0x7f/0x90 [ 237.752070][ T832] ? rtnl_newlink+0x4a/0xa0 [ 237.752323][ T832] ? rtnetlink_rcv_msg+0x2fb/0xbf0 [ 237.752599][ T832] ? netlink_rcv_skb+0x130/0x360 [ 237.752842][ T832] ? validate_nla+0x1d30/0x1d30 [ 237.753077][ T832] ? netlink_sendmsg+0x723/0xbe0 [ 237.753490][ T832] ? __sys_sendto+0x37d/0x410 [ 237.753733][ T832] ? __x64_sys_sendto+0xe0/0x1c0 [ 237.753985][ T832] __rtnl_newlink+0xaa7/0xd80 [ 237.754238][ T832] ? hlock_class+0x4e/0x130 [ 237.754519][ T832] ? __pfx___rtnl_newlink+0x10/0x10 [ 237.754778][ T832] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 237.755083][ T832] ? __create_object+0x5e/0xb0 [ 237.755328][ T832] ? trace_kmalloc+0x2a/0xe0 [ 237.755596][ T832] rtnl_newlink+0x63/0xa0 [ 237.755776][ T832] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 237.756043][ T832] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 237.756279][ T832] ? hlock_class+0x4e/0x130 [ 237.756713][ T832] ? mark_lock+0x38/0x3e0 [ 237.756907][ T832] ? __lock_acquire+0xaf0/0x1570 [ 237.757192][ T832] netlink_rcv_skb+0x130/0x360 [ 237.757436][ T832] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 237.757680][ T832] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 237.758093][ T832] ? lock_acquire.part.0+0xeb/0x330 [ 237.758380][ T832] ? netlink_deliver_tap+0xc8/0x340 [ 237.758645][ T832] ? lock_acquire+0x32/0xc0 [ 237.758888][ T832] ? netlink_deliver_tap+0xc8/0x340 [ 237.759293][ T832] ? netlink_deliver_tap+0xc8/0x340 [ 237.759556][ T832] ? netlink_deliver_tap+0x149/0x340 [ 237.759807][ T832] netlink_unicast+0x449/0x710 [ 237.760073][ T832] ? __pfx_netlink_unicast+0x10/0x10 [ 237.760313][ T832] ? netlink_autobind.isra.0+0xa5/0x270 [ 237.760560][ T832] ? netlink_autobind.isra.0+0x18a/0x270 [ 237.760811][ T832] netlink_sendmsg+0x723/0xbe0 [ 237.761080][ T832] ? __pfx_netlink_sendmsg+0x10/0x10 [ 237.761350][ T832] ? __fget_light+0x53/0x1e0 [ 237.761628][ T832] __sys_sendto+0x37d/0x410 [ 237.761868][ T832] ? __pfx___sys_sendto+0x10/0x10 [ 237.762117][ T832] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 237.762419][ T832] ? __pfx___debug_check_no_obj_freed+0x10/0x10 [ 237.762870][ T832] ? __virt_addr_valid+0x227/0x420 [ 237.763113][ T832] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 237.763417][ T832] __x64_sys_sendto+0xe0/0x1c0 [ 237.763817][ T832] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 237.764150][ T832] do_syscall_64+0xc6/0x1e0 [ 237.764390][ T832] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 237.764688][ T832] RIP: 0033:0x7fb82e3d3700 [ 237.765147][ T832] 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 [ 237.766057][ T832] RSP: 002b:00007ffcaa3609b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 237.766585][ T832] RAX: ffffffffffffffda RBX: 0000000000001b62 RCX: 00007fb82e3d3700 [ 237.766972][ T832] RDX: 0000000000000020 RSI: 00007ffcaa3609c0 RDI: 0000000000000008 [ 237.767369][ T832] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 237.767755][ T832] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcaa3609c0 [ 237.768145][ T832] R13: 0000000000000080 R14: 0100000000000000 R15: 00005402b80d0120 [ 237.768541][ T832] [ 237.932112][ T832] self-connect_ip (832) used greatest stack depth: 22720 bytes left