[ 28.079260][ T259] ip (259) used greatest stack depth: 23856 bytes left [ 34.769833][ T313] gre: GRE over IPv4 demultiplexor driver [ 34.858439][ T313] ip6_gre: GRE over IPv6 tunneling driver [ 37.281693][ T335] 8021q: 802.1Q VLAN Support v1.8 [ 41.761590][ T373] GACT probability NOT on [ 46.059544][ T410] [ 46.059671][ T410] ===================================================== [ 46.059854][ T410] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 46.060067][ T410] 6.9.0-rc1-virtme #1 Not tainted [ 46.060210][ T410] ----------------------------------------------------- [ 46.060420][ T410] sysctl/410 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 46.060647][ T410] ffff8880061a2c28 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 46.060909][ T410] [ 46.060909][ T410] and this task is already holding: [ 46.061131][ T410] ffff888005552580 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 46.061404][ T410] which would create a new lock dependency: [ 46.061577][ T410] (&ndev->lock){++--}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 46.061791][ T410] [ 46.061791][ T410] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 46.062052][ T410] (&ndev->lock){++--}-{2:2} [ 46.062056][ T410] [ 46.062056][ T410] ... which became SOFTIRQ-irq-safe at: [ 46.062464][ T410] __lock_acquire+0x797/0x1570 [ 46.062627][ T410] lock_acquire.part.0+0xeb/0x330 [ 46.062767][ T410] _raw_write_lock+0x30/0x40 [ 46.062915][ T410] addrconf_rs_timer+0xa9/0x730 [ 46.063058][ T410] call_timer_fn+0x13b/0x230 [ 46.063225][ T410] __run_timers+0x545/0x810 [ 46.063362][ T410] run_timer_softirq+0xe8/0x1b0 [ 46.063532][ T410] __do_softirq+0x1f8/0x5df [ 46.063682][ T410] irq_exit_rcu+0x97/0xc0 [ 46.063826][ T410] sysvec_apic_timer_interrupt+0x75/0x80 [ 46.063986][ T410] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 46.064162][ T410] stack_trace_consume_entry+0x37/0x170 [ 46.064324][ T410] arch_stack_walk+0x79/0xf0 [ 46.064481][ T410] stack_trace_save+0x94/0xd0 [ 46.064648][ T410] kasan_save_stack+0x24/0x50 [ 46.064832][ T410] kasan_save_track+0x14/0x30 [ 46.064996][ T410] __kasan_slab_alloc+0x59/0x70 [ 46.065170][ T410] kmem_cache_alloc+0xef/0x270 [ 46.065320][ T410] __alloc_object+0x39/0x6f0 [ 46.065468][ T410] __create_object+0x22/0xb0 [ 46.065643][ T410] kmem_cache_alloc+0x208/0x270 [ 46.065783][ T410] p9_tag_alloc+0x99/0x700 [ 46.065949][ T410] p9_client_prepare_req+0xe6/0x290 [ 46.066091][ T410] p9_client_rpc+0x18d/0x930 [ 46.066246][ T410] p9_client_readlink+0x71/0x120 [ 46.066417][ T410] v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 46.066557][ T410] pick_link+0x8b4/0x1160 [ 46.066715][ T410] step_into+0x84e/0xfa0 [ 46.066819][ T410] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 46.067003][ T410] path_openat+0x1be/0x440 [ 46.067160][ T410] do_filp_open+0x1b3/0x3e0 [ 46.067300][ T410] do_sys_openat2+0x122/0x160 [ 46.067464][ T410] __x64_sys_openat+0x123/0x1e0 [ 46.067607][ T410] do_syscall_64+0xc6/0x1e0 [ 46.067760][ T410] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 46.067957][ T410] [ 46.067957][ T410] to a SOFTIRQ-irq-unsafe lock: [ 46.068127][ T410] (&p->alloc_lock){+.+.}-{2:2} [ 46.068132][ T410] [ 46.068132][ T410] ... which became SOFTIRQ-irq-unsafe at: [ 46.068494][ T410] ... [ 46.068495][ T410] __lock_acquire+0x797/0x1570 [ 46.068734][ T410] lock_acquire.part.0+0xeb/0x330 [ 46.068876][ T410] _raw_spin_lock+0x30/0x40 [ 46.069037][ T410] set_mems_allowed+0x1d/0x210 [ 46.069181][ T410] kernel_init_freeable+0x72/0x310 [ 46.069334][ T410] kernel_init+0x20/0x200 [ 46.069500][ T410] ret_from_fork+0x31/0x70 [ 46.069648][ T410] ret_from_fork_asm+0x1a/0x30 [ 46.069805][ T410] [ 46.069805][ T410] other info that might help us debug this: [ 46.069805][ T410] [ 46.070080][ T410] Possible interrupt unsafe locking scenario: [ 46.070080][ T410] [ 46.070292][ T410] CPU0 CPU1 [ 46.070438][ T410] ---- ---- [ 46.070580][ T410] lock(&p->alloc_lock); [ 46.070688][ T410] local_irq_disable(); [ 46.070875][ T410] lock(&ndev->lock); [ 46.071056][ T410] lock(&p->alloc_lock); [ 46.071249][ T410] [ 46.071355][ T410] lock(&ndev->lock); [ 46.071483][ T410] [ 46.071483][ T410] *** DEADLOCK *** [ 46.071483][ T410] [ 46.071687][ T410] 3 locks held by sysctl/410: [ 46.071855][ T410] #0: ffff88802c0343f0 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0xf5/0x1e0 [ 46.072126][ T410] #1: ffffffff9b7969c8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_fixup_forwarding+0x20/0x460 [ 46.072440][ T410] #2: ffff888005552580 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 46.072712][ T410] [ 46.072712][ T410] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 46.072999][ T410] -> (&ndev->lock){++--}-{2:2} { [ 46.073170][ T410] HARDIRQ-ON-W at: [ 46.073286][ T410] __lock_acquire+0x797/0x1570 [ 46.073491][ T410] lock_acquire.part.0+0xeb/0x330 [ 46.073675][ T410] _raw_write_lock_bh+0x38/0x50 [ 46.073857][ T410] addrconf_permanent_addr+0x6e/0x670 [ 46.074057][ T410] addrconf_notify+0x749/0xd60 [ 46.074254][ T410] notifier_call_chain+0xcd/0x150 [ 46.074434][ T410] __dev_notify_flags+0xe6/0x250 [ 46.074639][ T410] dev_change_flags+0xec/0x160 [ 46.074836][ T410] do_setlink+0x7d6/0x21e0 [ 46.075016][ T410] __rtnl_newlink+0xaa7/0xd80 [ 46.075195][ T410] rtnl_newlink+0x63/0xa0 [ 46.075379][ T410] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 46.075553][ T410] netlink_rcv_skb+0x130/0x360 [ 46.075731][ T410] netlink_unicast+0x449/0x710 [ 46.075913][ T410] netlink_sendmsg+0x723/0xbe0 [ 46.076092][ T410] ____sys_sendmsg+0x7b2/0xa10 [ 46.076270][ T410] ___sys_sendmsg+0xee/0x170 [ 46.076455][ T410] __sys_sendmsg+0xcd/0x170 [ 46.076638][ T410] do_syscall_64+0xc6/0x1e0 [ 46.076811][ T410] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 46.077026][ T410] HARDIRQ-ON-R at: [ 46.077132][ T410] __lock_acquire+0x797/0x1570 [ 46.077308][ T410] lock_acquire.part.0+0xeb/0x330 [ 46.077486][ T410] _raw_read_lock_bh+0x44/0x80 [ 46.077664][ T410] inet6_fill_ifla6_attrs+0x516/0x740 [ 46.077844][ T410] inet6_fill_link_af+0x5e/0xe0 [ 46.078018][ T410] rtnl_fill_ifinfo+0x1612/0x29e0 [ 46.078203][ T410] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 46.078383][ T410] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 46.078593][ T410] rtmsg_ifinfo+0x5b/0xa0 [ 46.078765][ T410] register_netdevice+0x1177/0x1690 [ 46.078941][ T410] register_netdev+0x20/0x40 [ 46.079118][ T410] sit_init_net+0x250/0x4f0 [ 46.079308][ T410] ops_init+0x9b/0x560 [ 46.079478][ T410] register_pernet_operations+0x2db/0x710 [ 46.079718][ T410] register_pernet_device+0x2a/0x60 [ 46.079921][ T410] sit_init+0x23/0xe0 [ 46.080093][ T410] do_one_initcall+0x8d/0x1e0 [ 46.080283][ T410] do_initcalls+0x1b2/0x3e0 [ 46.080492][ T410] kernel_init_freeable+0x232/0x310 [ 46.080688][ T410] kernel_init+0x20/0x200 [ 46.080884][ T410] ret_from_fork+0x31/0x70 [ 46.081072][ T410] ret_from_fork_asm+0x1a/0x30 [ 46.081273][ T410] IN-SOFTIRQ-W at: [ 46.081381][ T410] __lock_acquire+0x797/0x1570 [ 46.081579][ T410] lock_acquire.part.0+0xeb/0x330 [ 46.081776][ T410] _raw_write_lock+0x30/0x40 [ 46.081957][ T410] addrconf_rs_timer+0xa9/0x730 [ 46.082156][ T410] call_timer_fn+0x13b/0x230 [ 46.082354][ T410] __run_timers+0x545/0x810 [ 46.082532][ T410] run_timer_softirq+0xe8/0x1b0 [ 46.082712][ T410] __do_softirq+0x1f8/0x5df [ 46.082909][ T410] irq_exit_rcu+0x97/0xc0 [ 46.083210][ T410] sysvec_apic_timer_interrupt+0x75/0x80 [ 46.083424][ T410] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 46.083668][ T410] stack_trace_consume_entry+0x37/0x170 [ 46.083877][ T410] arch_stack_walk+0x79/0xf0 [ 46.084097][ T410] stack_trace_save+0x94/0xd0 [ 46.084281][ T410] kasan_save_stack+0x24/0x50 [ 46.084612][ T410] kasan_save_track+0x14/0x30 [ 46.084806][ T410] __kasan_slab_alloc+0x59/0x70 [ 46.084986][ T410] kmem_cache_alloc+0xef/0x270 [ 46.085278][ T410] __alloc_object+0x39/0x6f0 [ 46.085462][ T410] __create_object+0x22/0xb0 [ 46.085660][ T410] kmem_cache_alloc+0x208/0x270 [ 46.085854][ T410] p9_tag_alloc+0x99/0x700 [ 46.086119][ T410] p9_client_prepare_req+0xe6/0x290 [ 46.086310][ T410] p9_client_rpc+0x18d/0x930 [ 46.086498][ T410] p9_client_readlink+0x71/0x120 [ 46.086692][ T410] v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 46.086881][ T410] pick_link+0x8b4/0x1160 [ 46.087118][ T410] step_into+0x84e/0xfa0 [ 46.087307][ T410] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 46.087530][ T410] path_openat+0x1be/0x440 [ 46.087706][ T410] do_filp_open+0x1b3/0x3e0 [ 46.087884][ T410] do_sys_openat2+0x122/0x160 [ 46.088062][ T410] __x64_sys_openat+0x123/0x1e0 [ 46.088238][ T410] do_syscall_64+0xc6/0x1e0 [ 46.088421][ T410] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 46.088642][ T410] IN-SOFTIRQ-R at: [ 46.088750][ T410] __lock_acquire+0x797/0x1570 [ 46.088927][ T410] lock_acquire.part.0+0xeb/0x330 [ 46.089109][ T410] _raw_read_lock_bh+0x44/0x80 [ 46.089305][ T410] ipv6_get_lladdr+0xa9/0x3e0 [ 46.089482][ T410] addrconf_rs_timer+0x24a/0x730 [ 46.089667][ T410] call_timer_fn+0x13b/0x230 [ 46.089844][ T410] __run_timers+0x545/0x810 [ 46.090020][ T410] run_timer_softirq+0xe8/0x1b0 [ 46.090200][ T410] __do_softirq+0x1f8/0x5df [ 46.090391][ T410] irq_exit_rcu+0x97/0xc0 [ 46.090569][ T410] sysvec_apic_timer_interrupt+0x75/0x80 [ 46.090792][ T410] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 46.091004][ T410] stack_trace_consume_entry+0x37/0x170 [ 46.091215][ T410] arch_stack_walk+0x79/0xf0 [ 46.091401][ T410] stack_trace_save+0x94/0xd0 [ 46.091579][ T410] kasan_save_stack+0x24/0x50 [ 46.091756][ T410] kasan_save_track+0x14/0x30 [ 46.091937][ T410] __kasan_slab_alloc+0x59/0x70 [ 46.092117][ T410] kmem_cache_alloc+0xef/0x270 [ 46.092299][ T410] __alloc_object+0x39/0x6f0 [ 46.092481][ T410] __create_object+0x22/0xb0 [ 46.092667][ T410] kmem_cache_alloc+0x208/0x270 [ 46.092842][ T410] p9_tag_alloc+0x99/0x700 [ 46.093021][ T410] p9_client_prepare_req+0xe6/0x290 [ 46.093205][ T410] p9_client_rpc+0x18d/0x930 [ 46.093389][ T410] p9_client_readlink+0x71/0x120 [ 46.093595][ T410] v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 46.093772][ T410] pick_link+0x8b4/0x1160 [ 46.093943][ T410] step_into+0x84e/0xfa0 [ 46.094119][ T410] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 46.094342][ T410] path_openat+0x1be/0x440 [ 46.094514][ T410] do_filp_open+0x1b3/0x3e0 [ 46.094703][ T410] do_sys_openat2+0x122/0x160 [ 46.094874][ T410] __x64_sys_openat+0x123/0x1e0 [ 46.095052][ T410] do_syscall_64+0xc6/0x1e0 [ 46.095224][ T410] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 46.095436][ T410] INITIAL USE at: [ 46.095542][ T410] __lock_acquire+0x797/0x1570 [ 46.095773][ T410] lock_acquire.part.0+0xeb/0x330 [ 46.095951][ T410] _raw_write_lock_bh+0x38/0x50 [ 46.096126][ T410] addrconf_permanent_addr+0x6e/0x670 [ 46.096295][ T410] addrconf_notify+0x749/0xd60 [ 46.096470][ T410] notifier_call_chain+0xcd/0x150 [ 46.096649][ T410] __dev_notify_flags+0xe6/0x250 [ 46.096823][ T410] dev_change_flags+0xec/0x160 [ 46.096999][ T410] do_setlink+0x7d6/0x21e0 [ 46.097183][ T410] __rtnl_newlink+0xaa7/0xd80 [ 46.097356][ T410] rtnl_newlink+0x63/0xa0 [ 46.097529][ T410] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 46.097704][ T410] netlink_rcv_skb+0x130/0x360 [ 46.097886][ T410] netlink_unicast+0x449/0x710 [ 46.098056][ T410] netlink_sendmsg+0x723/0xbe0 [ 46.098230][ T410] ____sys_sendmsg+0x7b2/0xa10 [ 46.098410][ T410] ___sys_sendmsg+0xee/0x170 [ 46.098584][ T410] __sys_sendmsg+0xcd/0x170 [ 46.098765][ T410] do_syscall_64+0xc6/0x1e0 [ 46.098948][ T410] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 46.099156][ T410] INITIAL READ USE at: [ 46.099260][ T410] __lock_acquire+0x797/0x1570 [ 46.099434][ T410] lock_acquire.part.0+0xeb/0x330 [ 46.099610][ T410] _raw_read_lock_bh+0x44/0x80 [ 46.099781][ T410] inet6_fill_ifla6_attrs+0x516/0x740 [ 46.099999][ T410] inet6_fill_link_af+0x5e/0xe0 [ 46.100181][ T410] rtnl_fill_ifinfo+0x1612/0x29e0 [ 46.100358][ T410] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 46.100565][ T410] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 46.100842][ T410] rtmsg_ifinfo+0x5b/0xa0 [ 46.101014][ T410] register_netdevice+0x1177/0x1690 [ 46.101235][ T410] register_netdev+0x20/0x40 [ 46.101414][ T410] sit_init_net+0x250/0x4f0 [ 46.101588][ T410] ops_init+0x9b/0x560 [ 46.101762][ T410] register_pernet_operations+0x2db/0x710 [ 46.101969][ T410] register_pernet_device+0x2a/0x60 [ 46.102175][ T410] sit_init+0x23/0xe0 [ 46.102359][ T410] do_one_initcall+0x8d/0x1e0 [ 46.102533][ T410] do_initcalls+0x1b2/0x3e0 [ 46.102713][ T410] kernel_init_freeable+0x232/0x310 [ 46.102920][ T410] kernel_init+0x20/0x200 [ 46.103093][ T410] ret_from_fork+0x31/0x70 [ 46.103268][ T410] ret_from_fork_asm+0x1a/0x30 [ 46.103454][ T410] } [ 46.103526][ T410] ... key at: [] __key.37+0x0/0x40 [ 46.103732][ T410] [ 46.103732][ T410] the dependencies between the lock to be acquired [ 46.103734][ T410] and SOFTIRQ-irq-unsafe lock: [ 46.104112][ T410] -> (&p->alloc_lock){+.+.}-{2:2} { [ 46.104260][ T410] HARDIRQ-ON-W at: [ 46.104365][ T410] __lock_acquire+0x797/0x1570 [ 46.104546][ T410] lock_acquire.part.0+0xeb/0x330 [ 46.104738][ T410] _raw_spin_lock+0x30/0x40 [ 46.104915][ T410] set_mems_allowed+0x1d/0x210 [ 46.105180][ T410] kernel_init_freeable+0x72/0x310 [ 46.105355][ T410] kernel_init+0x20/0x200 [ 46.105527][ T410] ret_from_fork+0x31/0x70 [ 46.105763][ T410] ret_from_fork_asm+0x1a/0x30 [ 46.105958][ T410] SOFTIRQ-ON-W at: [ 46.106063][ T410] __lock_acquire+0x797/0x1570 [ 46.106235][ T410] lock_acquire.part.0+0xeb/0x330 [ 46.106489][ T410] _raw_spin_lock+0x30/0x40 [ 46.106660][ T410] set_mems_allowed+0x1d/0x210 [ 46.106830][ T410] kernel_init_freeable+0x72/0x310 [ 46.107016][ T410] kernel_init+0x20/0x200 [ 46.107270][ T410] ret_from_fork+0x31/0x70 [ 46.107446][ T410] ret_from_fork_asm+0x1a/0x30 [ 46.107617][ T410] INITIAL USE at: [ 46.107720][ T410] __lock_acquire+0x797/0x1570 [ 46.107982][ T410] lock_acquire.part.0+0xeb/0x330 [ 46.108170][ T410] _raw_spin_lock+0x30/0x40 [ 46.108352][ T410] set_mems_allowed+0x1d/0x210 [ 46.108610][ T410] kernel_init_freeable+0x72/0x310 [ 46.108782][ T410] kernel_init+0x20/0x200 [ 46.108963][ T410] ret_from_fork+0x31/0x70 [ 46.109217][ T410] ret_from_fork_asm+0x1a/0x30 [ 46.109392][ T410] } [ 46.109471][ T410] ... key at: [] __key.387+0x0/0x40 [ 46.109685][ T410] ... acquired at: [ 46.109790][ T410] check_prev_add+0x194/0xce0 [ 46.110013][ T410] validate_chain+0x71d/0x9b0 [ 46.110154][ T410] __lock_acquire+0xaf0/0x1570 [ 46.110290][ T410] lock_acquire.part.0+0xeb/0x330 [ 46.110426][ T410] _raw_spin_lock+0x30/0x40 [ 46.110648][ T410] __get_task_comm+0x27/0x70 [ 46.110805][ T410] ref_tracker_alloc+0x2ee/0x490 [ 46.110945][ T410] netdev_get_by_index+0x5e/0x80 [ 46.111092][ T410] fib6_nh_init+0x3d8/0x15b0 [ 46.111312][ T410] ip6_route_info_create+0xf18/0x17d0 [ 46.111449][ T410] addrconf_f6i_alloc+0x265/0x560 [ 46.111585][ T410] __ipv6_dev_ac_inc+0x25f/0xb10 [ 46.111727][ T410] addrconf_join_anycast+0x1c0/0x220 [ 46.111946][ T410] dev_forward_change+0x2a6/0x7b0 [ 46.112082][ T410] addrconf_fixup_forwarding+0x23f/0x460 [ 46.112257][ T410] addrconf_sysctl_forward+0x212/0x2b0 [ 46.112394][ T410] proc_sys_call_handler+0x403/0x5e0 [ 46.112700][ T410] vfs_write+0x9e5/0x10a0 [ 46.112843][ T410] ksys_write+0xf5/0x1e0 [ 46.112982][ T410] do_syscall_64+0xc6/0x1e0 [ 46.113122][ T410] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 46.113389][ T410] [ 46.113460][ T410] [ 46.113460][ T410] stack backtrace: [ 46.113636][ T410] CPU: 3 PID: 410 Comm: sysctl Not tainted 6.9.0-rc1-virtme #1 [ 46.113838][ T410] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 46.114229][ T410] Call Trace: [ 46.114335][ T410] [ 46.114410][ T410] dump_stack_lvl+0x82/0xd0 [ 46.114552][ T410] print_bad_irq_dependency+0x957/0xd40 [ 46.114727][ T410] ? hlock_class+0x4e/0x130 [ 46.114873][ T410] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 46.115050][ T410] ? __pfx_usage_skip+0x10/0x10 [ 46.115186][ T410] ? __bfs+0x246/0x650 [ 46.115374][ T410] ? __pfx_usage_match+0x10/0x10 [ 46.115515][ T410] check_irq_usage+0x596/0x850 [ 46.115660][ T410] ? __pfx_check_irq_usage+0x10/0x10 [ 46.115798][ T410] ? __bfs+0x246/0x650 [ 46.115905][ T410] ? __pfx_hlock_conflict+0x10/0x10 [ 46.116131][ T410] ? check_path.constprop.0+0x24/0x50 [ 46.116271][ T410] ? check_noncircular+0x14c/0x3e0 [ 46.116412][ T410] ? __pfx_check_noncircular+0x10/0x10 [ 46.116552][ T410] ? check_prev_add+0x194/0xce0 [ 46.116696][ T410] check_prev_add+0x194/0xce0 [ 46.116833][ T410] ? validate_chain+0x130/0x9b0 [ 46.116979][ T410] validate_chain+0x71d/0x9b0 [ 46.117119][ T410] ? mark_lock+0x38/0x3e0 [ 46.117224][ T410] ? __pfx_validate_chain+0x10/0x10 [ 46.117451][ T410] ? hlock_class+0x4e/0x130 [ 46.117587][ T410] ? mark_lock+0x38/0x3e0 [ 46.117694][ T410] __lock_acquire+0xaf0/0x1570 [ 46.117849][ T410] lock_acquire.part.0+0xeb/0x330 [ 46.118067][ T410] ? __get_task_comm+0x27/0x70 [ 46.118202][ T410] ? mark_lock+0x38/0x3e0 [ 46.118306][ T410] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 46.118442][ T410] ? trace_lock_acquire+0x135/0x1c0 [ 46.118583][ T410] ? __get_task_comm+0x27/0x70 [ 46.118802][ T410] ? lock_acquire+0x32/0xc0 [ 46.118943][ T410] ? __get_task_comm+0x27/0x70 [ 46.119089][ T410] _raw_spin_lock+0x30/0x40 [ 46.119229][ T410] ? __get_task_comm+0x27/0x70 [ 46.119446][ T410] __get_task_comm+0x27/0x70 [ 46.119584][ T410] ref_tracker_alloc+0x2ee/0x490 [ 46.119720][ T410] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 46.119862][ T410] ? dev_get_by_index+0x177/0x270 [ 46.120092][ T410] ? netdev_get_by_index+0x5e/0x80 [ 46.120231][ T410] ? fib6_nh_init+0x3d8/0x15b0 [ 46.120371][ T410] ? ip6_route_info_create+0xf18/0x17d0 [ 46.120508][ T410] ? addrconf_f6i_alloc+0x265/0x560 [ 46.120646][ T410] ? __ipv6_dev_ac_inc+0x25f/0xb10 [ 46.120786][ T410] ? addrconf_join_anycast+0x1c0/0x220 [ 46.120921][ T410] ? dev_forward_change+0x2a6/0x7b0 [ 46.121057][ T410] ? addrconf_fixup_forwarding+0x23f/0x460 [ 46.121308][ T410] ? addrconf_sysctl_forward+0x212/0x2b0 [ 46.121444][ T410] ? proc_sys_call_handler+0x403/0x5e0 [ 46.121582][ T410] ? vfs_write+0x9e5/0x10a0 [ 46.121723][ T410] ? ksys_write+0xf5/0x1e0 [ 46.121861][ T410] ? do_syscall_64+0xc6/0x1e0 [ 46.122077][ T410] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 46.122245][ T410] ? dev_get_by_index+0x177/0x270 [ 46.122381][ T410] netdev_get_by_index+0x5e/0x80 [ 46.122545][ T410] fib6_nh_init+0x3d8/0x15b0 [ 46.122770][ T410] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 46.122955][ T410] ? __pfx_fib6_nh_init+0x10/0x10 [ 46.123090][ T410] ? kasan_save_track+0x14/0x30 [ 46.123229][ T410] ? __kasan_kmalloc+0x7f/0x90 [ 46.123536][ T410] ? __kmalloc+0x1d7/0x3c0 [ 46.123678][ T410] ? fib6_get_table+0x116/0x290 [ 46.123818][ T410] ip6_route_info_create+0xf18/0x17d0 [ 46.123962][ T410] ? __lock_release+0x103/0x460 [ 46.124192][ T410] ? __pfx_ip6_route_info_create+0x10/0x10 [ 46.124364][ T410] ? addrconf_f6i_alloc+0x12d/0x560 [ 46.124502][ T410] addrconf_f6i_alloc+0x265/0x560 [ 46.124660][ T410] ? __pfx_addrconf_f6i_alloc+0x10/0x10 [ 46.124807][ T410] ? do_raw_write_lock+0x122/0x3b0 [ 46.124948][ T410] ? __pfx_do_raw_write_lock+0x10/0x10 [ 46.125084][ T410] ? lock_acquire+0x32/0xc0 [ 46.125232][ T410] __ipv6_dev_ac_inc+0x25f/0xb10 [ 46.125453][ T410] addrconf_join_anycast+0x1c0/0x220 [ 46.125589][ T410] ? mark_lock+0x38/0x3e0 [ 46.125698][ T410] ? __pfx_addrconf_join_anycast+0x10/0x10 [ 46.125870][ T410] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 46.126135][ T410] dev_forward_change+0x2a6/0x7b0 [ 46.126272][ T410] ? __pfx_dev_forward_change+0x10/0x10 [ 46.126413][ T410] addrconf_fixup_forwarding+0x23f/0x460 [ 46.126551][ T410] addrconf_sysctl_forward+0x212/0x2b0 [ 46.126691][ T410] ? __pfx_addrconf_sysctl_forward+0x10/0x10 [ 46.126869][ T410] ? __pfx_addrconf_sysctl_forward+0x10/0x10 [ 46.127038][ T410] ? trace_kmalloc+0x2a/0xe0 [ 46.127175][ T410] ? __kmalloc_node+0x220/0x400 [ 46.127392][ T410] ? proc_sys_call_handler+0x30b/0x5e0 [ 46.127536][ T410] proc_sys_call_handler+0x403/0x5e0 [ 46.127679][ T410] ? __pfx_proc_sys_call_handler+0x10/0x10 [ 46.127848][ T410] ? __lock_acquire+0xaf0/0x1570 [ 46.128070][ T410] vfs_write+0x9e5/0x10a0 [ 46.128178][ T410] ? do_user_addr_fault+0x449/0xbe0 [ 46.128321][ T410] ? __pfx_vfs_write+0x10/0x10 [ 46.128458][ T410] ? find_held_lock+0x2c/0x110 [ 46.128600][ T410] ? __pfx___lock_release+0x10/0x10 [ 46.128816][ T410] ? __fget_light+0x53/0x1e0 [ 46.128961][ T410] ksys_write+0xf5/0x1e0 [ 46.129068][ T410] ? __pfx_ksys_write+0x10/0x10 [ 46.129206][ T410] ? do_user_addr_fault+0x4bd/0xbe0 [ 46.129425][ T410] do_syscall_64+0xc6/0x1e0 [ 46.129563][ T410] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 46.129735][ T410] RIP: 0033:0x7f74f0b9f957 [ 46.129879][ 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 [ 46.130465][ T410] RSP: 002b:00007ffd74c87968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.130676][ T410] RAX: ffffffffffffffda RBX: 000056511b2d4360 RCX: 00007f74f0b9f957 [ 46.130889][ T410] RDX: 0000000000000002 RSI: 000056511b2d43a0 RDI: 0000000000000005 [ 46.131094][ T410] RBP: 000056511b2d64d0 R08: 0000000000000003 R09: 0000000000000077 [ 46.131394][ T410] R10: 000000000000006b R11: 0000000000000246 R12: 0000000000000002 [ 46.131599][ T410] R13: 0000000000000002 R14: 0000000000000002 R15: 00007f74f0c569c0 [ 46.131811][ T410] WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr