[ 33.431792][ T312] gre: GRE over IPv4 demultiplexor driver [ 33.487161][ T312] ip6_gre: GRE over IPv6 tunneling driver [ 35.705071][ T335] 8021q: 802.1Q VLAN Support v1.8 [ 39.917273][ T373] GACT probability NOT on [ 42.283293][ T390] ip (390) used greatest stack depth: 24176 bytes left [ 44.596745][ T410] [ 44.596868][ T410] ===================================================== [ 44.597063][ T410] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 44.597310][ T410] 6.9.0-rc1-virtme #1 Not tainted [ 44.597464][ T410] ----------------------------------------------------- [ 44.597650][ T410] sysctl/410 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 44.597882][ T410] ffff888006d34ee8 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 44.598161][ T410] [ 44.598161][ T410] and this task is already holding: [ 44.598388][ T410] ffff88800666d580 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 44.598663][ T410] which would create a new lock dependency: [ 44.598851][ T410] (&ndev->lock){++--}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 44.599082][ T410] [ 44.599082][ T410] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 44.599338][ T410] (&ndev->lock){++--}-{2:2} [ 44.599342][ T410] [ 44.599342][ T410] ... which became SOFTIRQ-irq-safe at: [ 44.599707][ T410] __lock_acquire+0x797/0x1570 [ 44.599870][ T410] lock_acquire.part.0+0xeb/0x330 [ 44.600031][ T410] _raw_write_lock+0x30/0x40 [ 44.600185][ T410] addrconf_rs_timer+0xa9/0x730 [ 44.600337][ T410] call_timer_fn+0x13b/0x230 [ 44.600490][ T410] __run_timers+0x545/0x810 [ 44.600640][ T410] run_timer_softirq+0xe8/0x1b0 [ 44.600788][ T410] __do_softirq+0x1f8/0x5df [ 44.600941][ T410] irq_exit_rcu+0x97/0xc0 [ 44.601090][ T410] sysvec_apic_timer_interrupt+0x75/0x80 [ 44.601244][ T410] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 44.601436][ T410] __orc_find+0x75/0xf0 [ 44.601552][ T410] unwind_next_frame+0x1d2/0x1d00 [ 44.601705][ T410] arch_stack_walk+0x8c/0xf0 [ 44.601855][ T410] stack_trace_save+0x94/0xd0 [ 44.602006][ T410] kasan_save_stack+0x24/0x50 [ 44.602158][ T410] kasan_save_track+0x14/0x30 [ 44.602308][ T410] __kasan_slab_alloc+0x59/0x70 [ 44.602458][ T410] kmem_cache_alloc+0xef/0x270 [ 44.602613][ T410] __alloc_object+0x39/0x6f0 [ 44.602764][ T410] __create_object+0x22/0xb0 [ 44.602917][ T410] __kmalloc+0x2ce/0x3c0 [ 44.603032][ T410] p9pdu_vreadf+0x1684/0x21f0 [ 44.603186][ T410] p9pdu_readf+0xa7/0xe0 [ 44.603300][ T410] p9_client_walk+0x293/0x650 [ 44.603453][ T410] v9fs_vfs_lookup.part.0+0x12f/0x390 [ 44.603605][ T410] __lookup_slow+0x209/0x3c0 [ 44.603758][ T410] walk_component+0x2ab/0x4f0 [ 44.603912][ T410] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 44.604103][ T410] path_openat+0x1be/0x440 [ 44.604256][ T410] do_filp_open+0x1b3/0x3e0 [ 44.604405][ T410] do_sys_openat2+0x122/0x160 [ 44.604555][ T410] __x64_sys_openat+0x123/0x1e0 [ 44.604704][ T410] do_syscall_64+0xc6/0x1e0 [ 44.604859][ T410] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.605045][ T410] [ 44.605045][ T410] to a SOFTIRQ-irq-unsafe lock: [ 44.605237][ T410] (&p->alloc_lock){+.+.}-{2:2} [ 44.605241][ T410] [ 44.605241][ T410] ... which became SOFTIRQ-irq-unsafe at: [ 44.605611][ T410] ... [ 44.605613][ T410] __lock_acquire+0x797/0x1570 [ 44.605845][ T410] lock_acquire.part.0+0xeb/0x330 [ 44.605997][ T410] _raw_spin_lock+0x30/0x40 [ 44.606150][ T410] set_mems_allowed+0x1d/0x210 [ 44.606308][ T410] kernel_init_freeable+0x72/0x310 [ 44.606467][ T410] kernel_init+0x20/0x200 [ 44.606619][ T410] ret_from_fork+0x31/0x70 [ 44.606776][ T410] ret_from_fork_asm+0x1a/0x30 [ 44.606927][ T410] [ 44.606927][ T410] other info that might help us debug this: [ 44.606927][ T410] [ 44.607221][ T410] Possible interrupt unsafe locking scenario: [ 44.607221][ T410] [ 44.607447][ T410] CPU0 CPU1 [ 44.607603][ T410] ---- ---- [ 44.607752][ T410] lock(&p->alloc_lock); [ 44.607871][ T410] local_irq_disable(); [ 44.608057][ T410] lock(&ndev->lock); [ 44.608242][ T410] lock(&p->alloc_lock); [ 44.608426][ T410] [ 44.608539][ T410] lock(&ndev->lock); [ 44.608653][ T410] [ 44.608653][ T410] *** DEADLOCK *** [ 44.608653][ T410] [ 44.608875][ T410] 3 locks held by sysctl/410: [ 44.609024][ T410] #0: ffff8880060bc3f0 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0xf5/0x1e0 [ 44.609297][ T410] #1: ffffffffb0d969c8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_fixup_forwarding+0x20/0x460 [ 44.609601][ T410] #2: ffff88800666d580 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 44.609884][ T410] [ 44.609884][ T410] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 44.610182][ T410] -> (&ndev->lock){++--}-{2:2} { [ 44.610337][ T410] HARDIRQ-ON-W at: [ 44.610452][ T410] __lock_acquire+0x797/0x1570 [ 44.610645][ T410] lock_acquire.part.0+0xeb/0x330 [ 44.610834][ T410] _raw_write_lock_bh+0x38/0x50 [ 44.611023][ T410] addrconf_permanent_addr+0x6e/0x670 [ 44.611215][ T410] addrconf_notify+0x749/0xd60 [ 44.611403][ T410] notifier_call_chain+0xcd/0x150 [ 44.611593][ T410] __dev_notify_flags+0xe6/0x250 [ 44.611781][ T410] dev_change_flags+0xec/0x160 [ 44.611969][ T410] do_setlink+0x7d6/0x21e0 [ 44.612156][ T410] __rtnl_newlink+0xaa7/0xd80 [ 44.612362][ T410] rtnl_newlink+0x63/0xa0 [ 44.612553][ T410] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 44.612743][ T410] netlink_rcv_skb+0x130/0x360 [ 44.612934][ T410] netlink_unicast+0x449/0x710 [ 44.613129][ T410] netlink_sendmsg+0x723/0xbe0 [ 44.613321][ T410] ____sys_sendmsg+0x7b2/0xa10 [ 44.613514][ T410] ___sys_sendmsg+0xee/0x170 [ 44.613707][ T410] __sys_sendmsg+0xcd/0x170 [ 44.613896][ T410] do_syscall_64+0xc6/0x1e0 [ 44.614083][ T410] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.614307][ T410] HARDIRQ-ON-R at: [ 44.614421][ T410] __lock_acquire+0x797/0x1570 [ 44.614612][ T410] lock_acquire.part.0+0xeb/0x330 [ 44.614803][ T410] _raw_read_lock_bh+0x44/0x80 [ 44.614998][ T410] inet6_fill_ifla6_attrs+0x516/0x740 [ 44.615191][ T410] inet6_fill_link_af+0x5e/0xe0 [ 44.615383][ T410] rtnl_fill_ifinfo+0x1612/0x29e0 [ 44.615571][ T410] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 44.615761][ T410] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 44.615994][ T410] rtmsg_ifinfo+0x5b/0xa0 [ 44.616184][ T410] register_netdevice+0x1177/0x1690 [ 44.616374][ T410] register_netdev+0x20/0x40 [ 44.616566][ T410] sit_init_net+0x250/0x4f0 [ 44.616757][ T410] ops_init+0x9b/0x560 [ 44.616913][ T410] register_pernet_operations+0x2db/0x710 [ 44.617141][ T410] register_pernet_device+0x2a/0x60 [ 44.617335][ T410] sit_init+0x23/0xe0 [ 44.617489][ T410] do_one_initcall+0x8d/0x1e0 [ 44.617679][ T410] do_initcalls+0x1b2/0x3e0 [ 44.617873][ T410] kernel_init_freeable+0x232/0x310 [ 44.618062][ T410] kernel_init+0x20/0x200 [ 44.618253][ T410] ret_from_fork+0x31/0x70 [ 44.618452][ T410] ret_from_fork_asm+0x1a/0x30 [ 44.618643][ T410] IN-SOFTIRQ-W at: [ 44.618756][ T410] __lock_acquire+0x797/0x1570 [ 44.618948][ T410] lock_acquire.part.0+0xeb/0x330 [ 44.619137][ T410] _raw_write_lock+0x30/0x40 [ 44.619327][ T410] addrconf_rs_timer+0xa9/0x730 [ 44.619516][ T410] call_timer_fn+0x13b/0x230 [ 44.619713][ T410] __run_timers+0x545/0x810 [ 44.620014][ T410] run_timer_softirq+0xe8/0x1b0 [ 44.620205][ T410] __do_softirq+0x1f8/0x5df [ 44.620400][ T410] irq_exit_rcu+0x97/0xc0 [ 44.620678][ T410] sysvec_apic_timer_interrupt+0x75/0x80 [ 44.620904][ T410] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 44.621149][ T410] __orc_find+0x75/0xf0 [ 44.621423][ T410] unwind_next_frame+0x1d2/0x1d00 [ 44.621614][ T410] arch_stack_walk+0x8c/0xf0 [ 44.621811][ T410] stack_trace_save+0x94/0xd0 [ 44.622006][ T410] kasan_save_stack+0x24/0x50 [ 44.622278][ T410] kasan_save_track+0x14/0x30 [ 44.622470][ T410] __kasan_slab_alloc+0x59/0x70 [ 44.622666][ T410] kmem_cache_alloc+0xef/0x270 [ 44.622939][ T410] __alloc_object+0x39/0x6f0 [ 44.623131][ T410] __create_object+0x22/0xb0 [ 44.623323][ T410] __kmalloc+0x2ce/0x3c0 [ 44.623595][ T410] p9pdu_vreadf+0x1684/0x21f0 [ 44.623787][ T410] p9pdu_readf+0xa7/0xe0 [ 44.623979][ T410] p9_client_walk+0x293/0x650 [ 44.624176][ T410] v9fs_vfs_lookup.part.0+0x12f/0x390 [ 44.624463][ T410] __lookup_slow+0x209/0x3c0 [ 44.624653][ T410] walk_component+0x2ab/0x4f0 [ 44.624843][ T410] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 44.625072][ T410] path_openat+0x1be/0x440 [ 44.625261][ T410] do_filp_open+0x1b3/0x3e0 [ 44.625456][ T410] do_sys_openat2+0x122/0x160 [ 44.625728][ T410] __x64_sys_openat+0x123/0x1e0 [ 44.625919][ T410] do_syscall_64+0xc6/0x1e0 [ 44.626111][ T410] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.626334][ T410] IN-SOFTIRQ-R at: [ 44.626532][ T410] __lock_acquire+0x797/0x1570 [ 44.626722][ T410] lock_acquire.part.0+0xeb/0x330 [ 44.626918][ T410] _raw_read_lock_bh+0x44/0x80 [ 44.627190][ T410] ipv6_get_lladdr+0xa9/0x3e0 [ 44.627383][ T410] addrconf_rs_timer+0x24a/0x730 [ 44.627572][ T410] call_timer_fn+0x13b/0x230 [ 44.627765][ T410] __run_timers+0x545/0x810 [ 44.628038][ T410] run_timer_softirq+0xe8/0x1b0 [ 44.628235][ T410] __do_softirq+0x1f8/0x5df [ 44.628426][ T410] irq_exit_rcu+0x97/0xc0 [ 44.628702][ T410] sysvec_apic_timer_interrupt+0x75/0x80 [ 44.628930][ T410] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 44.629157][ T410] __orc_find+0x75/0xf0 [ 44.629432][ T410] unwind_next_frame+0x1d2/0x1d00 [ 44.629627][ T410] arch_stack_walk+0x8c/0xf0 [ 44.629820][ T410] stack_trace_save+0x94/0xd0 [ 44.630028][ T410] kasan_save_stack+0x24/0x50 [ 44.630300][ T410] kasan_save_track+0x14/0x30 [ 44.630491][ T410] __kasan_slab_alloc+0x59/0x70 [ 44.630683][ T410] kmem_cache_alloc+0xef/0x270 [ 44.630956][ T410] __alloc_object+0x39/0x6f0 [ 44.631177][ T410] __create_object+0x22/0xb0 [ 44.631367][ T410] __kmalloc+0x2ce/0x3c0 [ 44.631642][ T410] p9pdu_vreadf+0x1684/0x21f0 [ 44.631835][ T410] p9pdu_readf+0xa7/0xe0 [ 44.632024][ T410] p9_client_walk+0x293/0x650 [ 44.632215][ T410] v9fs_vfs_lookup.part.0+0x12f/0x390 [ 44.632488][ T410] __lookup_slow+0x209/0x3c0 [ 44.632684][ T410] walk_component+0x2ab/0x4f0 [ 44.632878][ T410] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 44.633188][ T410] path_openat+0x1be/0x440 [ 44.633378][ T410] do_filp_open+0x1b3/0x3e0 [ 44.633569][ T410] do_sys_openat2+0x122/0x160 [ 44.633839][ T410] __x64_sys_openat+0x123/0x1e0 [ 44.634034][ T410] do_syscall_64+0xc6/0x1e0 [ 44.634227][ T410] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.634457][ T410] INITIAL USE at: [ 44.634654][ T410] __lock_acquire+0x797/0x1570 [ 44.634850][ T410] lock_acquire.part.0+0xeb/0x330 [ 44.635039][ T410] _raw_write_lock_bh+0x38/0x50 [ 44.635318][ T410] addrconf_permanent_addr+0x6e/0x670 [ 44.635513][ T410] addrconf_notify+0x749/0xd60 [ 44.635700][ T410] notifier_call_chain+0xcd/0x150 [ 44.635891][ T410] __dev_notify_flags+0xe6/0x250 [ 44.636164][ T410] dev_change_flags+0xec/0x160 [ 44.636352][ T410] do_setlink+0x7d6/0x21e0 [ 44.636542][ T410] __rtnl_newlink+0xaa7/0xd80 [ 44.636819][ T410] rtnl_newlink+0x63/0xa0 [ 44.637009][ T410] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 44.637197][ T410] netlink_rcv_skb+0x130/0x360 [ 44.637389][ T410] netlink_unicast+0x449/0x710 [ 44.637661][ T410] netlink_sendmsg+0x723/0xbe0 [ 44.637853][ T410] ____sys_sendmsg+0x7b2/0xa10 [ 44.638047][ T410] ___sys_sendmsg+0xee/0x170 [ 44.638326][ T410] __sys_sendmsg+0xcd/0x170 [ 44.638518][ T410] do_syscall_64+0xc6/0x1e0 [ 44.638709][ T410] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.638938][ T410] INITIAL READ USE at: [ 44.639052][ T410] __lock_acquire+0x797/0x1570 [ 44.639240][ T410] lock_acquire.part.0+0xeb/0x330 [ 44.639432][ T410] _raw_read_lock_bh+0x44/0x80 [ 44.639705][ T410] inet6_fill_ifla6_attrs+0x516/0x740 [ 44.639949][ T410] inet6_fill_link_af+0x5e/0xe0 [ 44.640137][ T410] rtnl_fill_ifinfo+0x1612/0x29e0 [ 44.640420][ T410] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 44.640643][ T410] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 44.640878][ T410] rtmsg_ifinfo+0x5b/0xa0 [ 44.641153][ T410] register_netdevice+0x1177/0x1690 [ 44.641378][ T410] register_netdev+0x20/0x40 [ 44.641565][ T410] sit_init_net+0x250/0x4f0 [ 44.641841][ T410] ops_init+0x9b/0x560 [ 44.642036][ T410] register_pernet_operations+0x2db/0x710 [ 44.642268][ T410] register_pernet_device+0x2a/0x60 [ 44.642579][ T410] sit_init+0x23/0xe0 [ 44.642774][ T410] do_one_initcall+0x8d/0x1e0 [ 44.642969][ T410] do_initcalls+0x1b2/0x3e0 [ 44.643162][ T410] kernel_init_freeable+0x232/0x310 [ 44.643495][ T410] kernel_init+0x20/0x200 [ 44.643693][ T410] ret_from_fork+0x31/0x70 [ 44.643888][ T410] ret_from_fork_asm+0x1a/0x30 [ 44.644080][ T410] } [ 44.644161][ T410] ... key at: [] __key.37+0x0/0x40 [ 44.644391][ T410] [ 44.644391][ T410] the dependencies between the lock to be acquired [ 44.644393][ T410] and SOFTIRQ-irq-unsafe lock: [ 44.644887][ T410] -> (&p->alloc_lock){+.+.}-{2:2} { [ 44.645048][ T410] HARDIRQ-ON-W at: [ 44.645167][ T410] __lock_acquire+0x797/0x1570 [ 44.645364][ T410] lock_acquire.part.0+0xeb/0x330 [ 44.645639][ T410] _raw_spin_lock+0x30/0x40 [ 44.645832][ T410] set_mems_allowed+0x1d/0x210 [ 44.646025][ T410] kernel_init_freeable+0x72/0x310 [ 44.646305][ T410] kernel_init+0x20/0x200 [ 44.646498][ T410] ret_from_fork+0x31/0x70 [ 44.646686][ T410] ret_from_fork_asm+0x1a/0x30 [ 44.646963][ T410] SOFTIRQ-ON-W at: [ 44.647078][ T410] __lock_acquire+0x797/0x1570 [ 44.647272][ T410] lock_acquire.part.0+0xeb/0x330 [ 44.647463][ T410] _raw_spin_lock+0x30/0x40 [ 44.647830][ T410] set_mems_allowed+0x1d/0x210 [ 44.648029][ T410] kernel_init_freeable+0x72/0x310 [ 44.648219][ T410] kernel_init+0x20/0x200 [ 44.648413][ T410] ret_from_fork+0x31/0x70 [ 44.648688][ T410] ret_from_fork_asm+0x1a/0x30 [ 44.648880][ T410] INITIAL USE at: [ 44.648995][ T410] __lock_acquire+0x797/0x1570 [ 44.649281][ T410] lock_acquire.part.0+0xeb/0x330 [ 44.649476][ T410] _raw_spin_lock+0x30/0x40 [ 44.649667][ T410] set_mems_allowed+0x1d/0x210 [ 44.649859][ T410] kernel_init_freeable+0x72/0x310 [ 44.650067][ T410] kernel_init+0x20/0x200 [ 44.650259][ T410] ret_from_fork+0x31/0x70 [ 44.650459][ T410] ret_from_fork_asm+0x1a/0x30 [ 44.650739][ T410] } [ 44.650819][ T410] ... key at: [] __key.387+0x0/0x40 [ 44.651057][ T410] ... acquired at: [ 44.651176][ T410] check_prev_add+0x194/0xce0 [ 44.651333][ T410] validate_chain+0x71d/0x9b0 [ 44.651567][ T410] __lock_acquire+0xaf0/0x1570 [ 44.651721][ T410] lock_acquire.part.0+0xeb/0x330 [ 44.651873][ T410] _raw_spin_lock+0x30/0x40 [ 44.652033][ T410] __get_task_comm+0x27/0x70 [ 44.652269][ T410] ref_tracker_alloc+0x2ee/0x490 [ 44.652425][ T410] netdev_get_by_index+0x5e/0x80 [ 44.652577][ T410] fib6_nh_init+0x3d8/0x15b0 [ 44.652729][ T410] ip6_route_info_create+0xf18/0x17d0 [ 44.652966][ T410] addrconf_f6i_alloc+0x265/0x560 [ 44.653119][ T410] __ipv6_dev_ac_inc+0x25f/0xb10 [ 44.653276][ T410] addrconf_join_anycast+0x1c0/0x220 [ 44.653437][ T410] dev_forward_change+0x2a6/0x7b0 [ 44.653676][ T410] addrconf_fixup_forwarding+0x23f/0x460 [ 44.653872][ T410] addrconf_sysctl_forward+0x212/0x2b0 [ 44.654026][ T410] proc_sys_call_handler+0x403/0x5e0 [ 44.654180][ T410] vfs_write+0x9e5/0x10a0 [ 44.654415][ T410] ksys_write+0xf5/0x1e0 [ 44.654570][ T410] do_syscall_64+0xc6/0x1e0 [ 44.654726][ T410] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.654920][ T410] [ 44.654998][ T410] [ 44.654998][ T410] stack backtrace: [ 44.655264][ T410] CPU: 3 PID: 410 Comm: sysctl Not tainted 6.9.0-rc1-virtme #1 [ 44.655494][ T410] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 44.655941][ T410] Call Trace: [ 44.656060][ T410] [ 44.656147][ T410] dump_stack_lvl+0x82/0xd0 [ 44.656305][ T410] print_bad_irq_dependency+0x957/0xd40 [ 44.656457][ T410] ? hlock_class+0x4e/0x130 [ 44.656697][ T410] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 44.656885][ T410] ? __pfx_usage_skip+0x10/0x10 [ 44.657040][ T410] ? __bfs+0x246/0x650 [ 44.657153][ T410] ? __pfx_usage_match+0x10/0x10 [ 44.657386][ T410] check_irq_usage+0x596/0x850 [ 44.657542][ T410] ? __pfx_check_irq_usage+0x10/0x10 [ 44.657701][ T410] ? __bfs+0x246/0x650 [ 44.657821][ T410] ? __pfx_hlock_conflict+0x10/0x10 [ 44.657978][ T410] ? check_path.constprop.0+0x24/0x50 [ 44.658211][ T410] ? check_noncircular+0x14c/0x3e0 [ 44.658364][ T410] ? __pfx_check_noncircular+0x10/0x10 [ 44.658521][ T410] ? check_prev_add+0x194/0xce0 [ 44.658673][ T410] check_prev_add+0x194/0xce0 [ 44.658908][ T410] ? validate_chain+0x130/0x9b0 [ 44.659068][ T410] validate_chain+0x71d/0x9b0 [ 44.659224][ T410] ? mark_lock+0x38/0x3e0 [ 44.659339][ T410] ? __pfx_validate_chain+0x10/0x10 [ 44.659492][ T410] ? hlock_class+0x4e/0x130 [ 44.659807][ T410] ? mark_lock+0x38/0x3e0 [ 44.659934][ T410] __lock_acquire+0xaf0/0x1570 [ 44.660089][ T410] lock_acquire.part.0+0xeb/0x330 [ 44.660241][ T410] ? __get_task_comm+0x27/0x70 [ 44.660476][ T410] ? mark_lock+0x38/0x3e0 [ 44.660596][ T410] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 44.660750][ T410] ? trace_lock_acquire+0x135/0x1c0 [ 44.660903][ T410] ? __get_task_comm+0x27/0x70 [ 44.661054][ T410] ? lock_acquire+0x32/0xc0 [ 44.661288][ T410] ? __get_task_comm+0x27/0x70 [ 44.661440][ T410] _raw_spin_lock+0x30/0x40 [ 44.661593][ T410] ? __get_task_comm+0x27/0x70 [ 44.661743][ T410] __get_task_comm+0x27/0x70 [ 44.661982][ T410] ref_tracker_alloc+0x2ee/0x490 [ 44.662137][ T410] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 44.662289][ T410] ? dev_get_by_index+0x177/0x270 [ 44.662441][ T410] ? netdev_get_by_index+0x5e/0x80 [ 44.662681][ T410] ? fib6_nh_init+0x3d8/0x15b0 [ 44.662836][ T410] ? ip6_route_info_create+0xf18/0x17d0 [ 44.662989][ T410] ? addrconf_f6i_alloc+0x265/0x560 [ 44.663140][ T410] ? __ipv6_dev_ac_inc+0x25f/0xb10 [ 44.663379][ T410] ? addrconf_join_anycast+0x1c0/0x220 [ 44.663532][ T410] ? dev_forward_change+0x2a6/0x7b0 [ 44.663682][ T410] ? addrconf_fixup_forwarding+0x23f/0x460 [ 44.663877][ T410] ? addrconf_sysctl_forward+0x212/0x2b0 [ 44.664117][ T410] ? proc_sys_call_handler+0x403/0x5e0 [ 44.664271][ T410] ? vfs_write+0x9e5/0x10a0 [ 44.664425][ T410] ? ksys_write+0xf5/0x1e0 [ 44.664578][ T410] ? do_syscall_64+0xc6/0x1e0 [ 44.664738][ T410] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.665011][ T410] ? dev_get_by_index+0x177/0x270 [ 44.665164][ T410] netdev_get_by_index+0x5e/0x80 [ 44.665317][ T410] fib6_nh_init+0x3d8/0x15b0 [ 44.665469][ T410] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 44.665740][ T410] ? __pfx_fib6_nh_init+0x10/0x10 [ 44.665897][ T410] ? kasan_save_track+0x14/0x30 [ 44.666053][ T410] ? __kasan_kmalloc+0x7f/0x90 [ 44.666212][ T410] ? __kmalloc+0x1d7/0x3c0 [ 44.666447][ T410] ? fib6_get_table+0x116/0x290 [ 44.666600][ T410] ip6_route_info_create+0xf18/0x17d0 [ 44.666750][ T410] ? __lock_release+0x103/0x460 [ 44.666905][ T410] ? __pfx_ip6_route_info_create+0x10/0x10 [ 44.667095][ T410] ? addrconf_f6i_alloc+0x12d/0x560 [ 44.667249][ T410] addrconf_f6i_alloc+0x265/0x560 [ 44.667401][ T410] ? __pfx_addrconf_f6i_alloc+0x10/0x10 [ 44.667562][ T410] ? do_raw_write_lock+0x122/0x3b0 [ 44.667795][ T410] ? __pfx_do_raw_write_lock+0x10/0x10 [ 44.667947][ T410] ? lock_acquire+0x32/0xc0 [ 44.668102][ T410] __ipv6_dev_ac_inc+0x25f/0xb10 [ 44.668256][ T410] addrconf_join_anycast+0x1c0/0x220 [ 44.668491][ T410] ? mark_lock+0x38/0x3e0 [ 44.668607][ T410] ? __pfx_addrconf_join_anycast+0x10/0x10 [ 44.668799][ T410] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 44.669011][ T410] dev_forward_change+0x2a6/0x7b0 [ 44.669246][ T410] ? __pfx_dev_forward_change+0x10/0x10 [ 44.669400][ T410] addrconf_fixup_forwarding+0x23f/0x460 [ 44.669556][ T410] addrconf_sysctl_forward+0x212/0x2b0 [ 44.669708][ T410] ? __pfx_addrconf_sysctl_forward+0x10/0x10 [ 44.670000][ T410] ? __pfx_addrconf_sysctl_forward+0x10/0x10 [ 44.670190][ T410] ? trace_kmalloc+0x2a/0xe0 [ 44.670345][ T410] ? __kmalloc_node+0x220/0x400 [ 44.670500][ T410] ? proc_sys_call_handler+0x30b/0x5e0 [ 44.670734][ T410] proc_sys_call_handler+0x403/0x5e0 [ 44.670886][ T410] ? __pfx_proc_sys_call_handler+0x10/0x10 [ 44.671072][ T410] ? __lock_acquire+0xaf0/0x1570 [ 44.671230][ T410] vfs_write+0x9e5/0x10a0 [ 44.671509][ T410] ? do_user_addr_fault+0x449/0xbe0 [ 44.671661][ T410] ? __pfx_vfs_write+0x10/0x10 [ 44.671822][ T410] ? find_held_lock+0x2c/0x110 [ 44.671977][ T410] ? __pfx___lock_release+0x10/0x10 [ 44.672130][ T410] ? __fget_light+0x53/0x1e0 [ 44.672365][ T410] ksys_write+0xf5/0x1e0 [ 44.672483][ T410] ? __pfx_ksys_write+0x10/0x10 [ 44.672639][ T410] ? do_user_addr_fault+0x4bd/0xbe0 [ 44.672791][ T410] do_syscall_64+0xc6/0x1e0 [ 44.673030][ T410] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.673226][ T410] RIP: 0033:0x7f26c3aff957 [ 44.673386][ T410] 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 [ 44.674000][ T410] RSP: 002b:00007ffc37110c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.674213][ T410] RAX: ffffffffffffffda RBX: 0000563db3781360 RCX: 00007f26c3aff957 [ 44.674518][ T410] RDX: 0000000000000002 RSI: 0000563db37813a0 RDI: 0000000000000005 [ 44.674730][ T410] RBP: 0000563db37834d0 R08: 0000000000000003 R09: 0000000000000077 [ 44.674939][ T410] R10: 000000000000006b R11: 0000000000000246 R12: 0000000000000002 [ 44.675146][ T410] R13: 0000000000000002 R14: 0000000000000002 R15: 00007f26c3bb69c0 [ 44.675357][ T410] WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr