[ 25.029810][ T264] veth0: renamed from veth-rt-1 [ 26.315952][ T272] veth0: renamed from veth-rt-2 [ 33.897533][ C3] [ 33.897665][ C3] ======================================================== [ 33.897922][ C3] WARNING: possible irq lock inversion dependency detected [ 33.898177][ C3] 6.9.0-rc1-virtme #1 Not tainted [ 33.898354][ C3] -------------------------------------------------------- [ 33.898615][ C3] ip/321 just changed the state of lock: [ 33.898786][ C3] ffff888005430d80 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 33.899094][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 33.899355][ C3] (&p->alloc_lock){+.+.}-{2:2} [ 33.899359][ C3] [ 33.899359][ C3] [ 33.899359][ C3] and interrupts could create inverse lock ordering between them. [ 33.899359][ C3] [ 33.899999][ C3] [ 33.899999][ C3] other info that might help us debug this: [ 33.900249][ C3] Possible interrupt unsafe locking scenario: [ 33.900249][ C3] [ 33.900509][ C3] CPU0 CPU1 [ 33.900681][ C3] ---- ---- [ 33.900852][ C3] lock(&p->alloc_lock); [ 33.900986][ C3] local_irq_disable(); [ 33.901198][ C3] lock(&ndev->lock); [ 33.901418][ C3] lock(&p->alloc_lock); [ 33.901636][ C3] [ 33.901764][ C3] lock(&ndev->lock); [ 33.901895][ C3] [ 33.901895][ C3] *** DEADLOCK *** [ 33.901895][ C3] [ 33.902149][ C3] 3 locks held by ip/321: [ 33.902276][ C3] #0: ffffffffa879bc50 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x438/0x730 [ 33.902583][ C3] #1: ffffffffa87b7208 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x14/0x40 [ 33.902893][ C3] #2: ffffc90000288d68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 33.903197][ C3] [ 33.903197][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 33.903498][ C3] -> (&p->alloc_lock){+.+.}-{2:2} { [ 33.903677][ C3] HARDIRQ-ON-W at: [ 33.903808][ C3] __lock_acquire+0x797/0x1570 [ 33.904028][ C3] lock_acquire.part.0+0xeb/0x330 [ 33.904244][ C3] _raw_spin_lock+0x30/0x40 [ 33.904464][ C3] set_mems_allowed+0x1d/0x210 [ 33.904688][ C3] kernel_init_freeable+0x72/0x310 [ 33.904910][ C3] kernel_init+0x20/0x200 [ 33.905131][ C3] ret_from_fork+0x31/0x70 [ 33.905350][ C3] ret_from_fork_asm+0x1a/0x30 [ 33.905570][ C3] SOFTIRQ-ON-W at: [ 33.905700][ C3] __lock_acquire+0x797/0x1570 [ 33.905919][ C3] lock_acquire.part.0+0xeb/0x330 [ 33.906138][ C3] _raw_spin_lock+0x30/0x40 [ 33.906357][ C3] set_mems_allowed+0x1d/0x210 [ 33.906573][ C3] kernel_init_freeable+0x72/0x310 [ 33.906789][ C3] kernel_init+0x20/0x200 [ 33.907011][ C3] ret_from_fork+0x31/0x70 [ 33.907229][ C3] ret_from_fork_asm+0x1a/0x30 [ 33.907447][ C3] INITIAL USE at: [ 33.907578][ C3] __lock_acquire+0x797/0x1570 [ 33.907793][ C3] lock_acquire.part.0+0xeb/0x330 [ 33.908014][ C3] _raw_spin_lock+0x30/0x40 [ 33.908232][ C3] set_mems_allowed+0x1d/0x210 [ 33.908448][ C3] kernel_init_freeable+0x72/0x310 [ 33.908663][ C3] kernel_init+0x20/0x200 [ 33.908881][ C3] ret_from_fork+0x31/0x70 [ 33.909095][ C3] ret_from_fork_asm+0x1a/0x30 [ 33.909313][ C3] } [ 33.909403][ C3] ... key at: [] __key.388+0x0/0x40 [ 33.909673][ C3] ... acquired at: [ 33.909810][ C3] __lock_acquire+0xaf0/0x1570 [ 33.909986][ C3] lock_acquire.part.0+0xeb/0x330 [ 33.910160][ C3] _raw_spin_lock+0x30/0x40 [ 33.910335][ C3] __get_task_comm+0x27/0x70 [ 33.910514][ C3] ref_tracker_alloc+0x2ee/0x490 [ 33.910686][ C3] netdev_get_by_index+0x5e/0x80 [ 33.910859][ C3] fib6_nh_init+0x3d8/0x1580 [ 33.911038][ C3] ip6_route_info_create+0xf18/0x17d0 [ 33.911210][ C3] ip6_route_add+0x1c/0x140 [ 33.911383][ C3] addrconf_prefix_route+0x2a6/0x430 [ 33.911554][ C3] addrconf_permanent_addr+0x32f/0x670 [ 33.911728][ C3] addrconf_notify+0x749/0xd60 [ 33.911901][ C3] notifier_call_chain+0xcd/0x150 [ 33.912072][ C3] __dev_notify_flags+0xe6/0x250 [ 33.912245][ C3] dev_change_flags+0xec/0x160 [ 33.912421][ C3] do_setlink+0x7d6/0x21e0 [ 33.912596][ C3] __rtnl_newlink+0xaa7/0xd80 [ 33.912772][ C3] rtnl_newlink+0x63/0xa0 [ 33.912942][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 33.913113][ C3] netlink_rcv_skb+0x130/0x360 [ 33.913292][ C3] netlink_unicast+0x449/0x710 [ 33.913466][ C3] netlink_sendmsg+0x723/0xbe0 [ 33.913639][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 33.913817][ C3] ___sys_sendmsg+0xee/0x170 [ 33.913989][ C3] __sys_sendmsg+0xcd/0x170 [ 33.914163][ C3] do_syscall_64+0xc6/0x1e0 [ 33.914341][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 33.914559][ C3] [ 33.914645][ C3] -> (&ndev->lock){++-.}-{2:2} { [ 33.914823][ C3] HARDIRQ-ON-W at: [ 33.914952][ C3] __lock_acquire+0x797/0x1570 [ 33.915171][ C3] lock_acquire.part.0+0xeb/0x330 [ 33.915386][ C3] _raw_write_lock_bh+0x38/0x50 [ 33.915608][ C3] addrconf_permanent_addr+0x6e/0x670 [ 33.915826][ C3] addrconf_notify+0x749/0xd60 [ 33.916043][ C3] notifier_call_chain+0xcd/0x150 [ 33.916261][ C3] __dev_notify_flags+0xe6/0x250 [ 33.916477][ C3] dev_change_flags+0xec/0x160 [ 33.916693][ C3] do_setlink+0x7d6/0x21e0 [ 33.916915][ C3] __rtnl_newlink+0xaa7/0xd80 [ 33.917137][ C3] rtnl_newlink+0x63/0xa0 [ 33.917359][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 33.917576][ C3] netlink_rcv_skb+0x130/0x360 [ 33.917793][ C3] netlink_unicast+0x449/0x710 [ 33.918007][ C3] netlink_sendmsg+0x723/0xbe0 [ 33.918220][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 33.918445][ C3] ___sys_sendmsg+0xee/0x170 [ 33.918665][ C3] __sys_sendmsg+0xcd/0x170 [ 33.918881][ C3] do_syscall_64+0xc6/0x1e0 [ 33.919097][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 33.919355][ C3] HARDIRQ-ON-R at: [ 33.919484][ C3] __lock_acquire+0x797/0x1570 [ 33.919701][ C3] lock_acquire.part.0+0xeb/0x330 [ 33.919919][ C3] _raw_read_lock_bh+0x44/0x80 [ 33.920136][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 33.920353][ C3] inet6_fill_link_af+0x5e/0xe0 [ 33.920568][ C3] rtnl_fill_ifinfo+0x1615/0x2a90 [ 33.920786][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 33.921002][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 33.921262][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 33.921486][ C3] register_netdevice+0x1177/0x1690 [ 33.921700][ C3] register_netdev+0x20/0x40 [ 33.921914][ C3] vti6_init_net+0x25d/0x380 [ 33.922134][ C3] ops_init+0x9b/0x560 [ 33.922309][ C3] register_pernet_operations+0x2db/0x710 [ 33.922572][ C3] register_pernet_device+0x2a/0x60 [ 33.922786][ C3] vti6_tunnel_init+0x18/0x110 [ 33.923003][ C3] do_one_initcall+0x8d/0x1e0 [ 33.923221][ C3] do_initcalls+0x1b2/0x3e0 [ 33.923437][ C3] kernel_init_freeable+0x232/0x310 [ 33.923655][ C3] kernel_init+0x20/0x200 [ 33.923870][ C3] ret_from_fork+0x31/0x70 [ 33.924090][ C3] ret_from_fork_asm+0x1a/0x30 [ 33.924309][ C3] IN-SOFTIRQ-W at: [ 33.924441][ C3] __lock_acquire+0x797/0x1570 [ 33.924657][ C3] lock_acquire.part.0+0xeb/0x330 [ 33.924874][ C3] _raw_write_lock+0x30/0x40 [ 33.925089][ C3] addrconf_rs_timer+0xa9/0x730 [ 33.925306][ C3] call_timer_fn+0x13b/0x230 [ 33.925526][ C3] __run_timers+0x545/0x810 [ 33.925742][ C3] run_timer_softirq+0xe8/0x1b0 [ 33.925959][ C3] __do_softirq+0x1f8/0x5df [ 33.926177][ C3] irq_exit_rcu+0x97/0xc0 [ 33.926390][ C3] sysvec_apic_timer_interrupt+0x75/0x80 [ 33.926654][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 33.926921][ C3] _raw_spin_unlock_irqrestore+0x43/0x70 [ 33.927182][ C3] get_partial_node.part.0+0x1c5/0x3a0 [ 33.927510][ C3] ___slab_alloc+0xb70/0x10a0 [ 33.927729][ C3] kmem_cache_alloc+0x243/0x270 [ 33.927944][ C3] __alloc_object+0x39/0x6f0 [ 33.928162][ C3] __create_object+0x22/0xb0 [ 33.928380][ C3] __kmalloc_node_track_caller+0x33a/0x400 [ 33.928643][ C3] kstrdup+0x37/0x70 [ 33.928817][ C3] kobject_set_name_vargs+0x45/0x120 [ 33.929136][ C3] dev_set_name+0xaf/0xe0 [ 33.929353][ C3] netdev_register_kobject+0xc5/0x2f0 [ 33.929575][ C3] register_netdevice+0xe80/0x1690 [ 33.929794][ C3] register_netdev+0x20/0x40 [ 33.930109][ C3] sit_init_net+0x250/0x4f0 [ 33.930326][ C3] ops_init+0x9b/0x560 [ 33.930498][ C3] setup_net+0x575/0xc30 [ 33.930934][ C3] copy_net_ns+0x44d/0x730 [ 33.931150][ C3] create_new_namespaces+0x35f/0x920 [ 33.931363][ C3] unshare_nsproxy_namespaces+0x8a/0x1b0 [ 33.931727][ C3] ksys_unshare+0x2cc/0x6e0 [ 33.931946][ C3] __x64_sys_unshare+0x31/0x40 [ 33.932164][ C3] do_syscall_64+0xc6/0x1e0 [ 33.932379][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 33.932742][ C3] INITIAL USE at: [ 33.932872][ C3] __lock_acquire+0x797/0x1570 [ 33.933088][ C3] lock_acquire.part.0+0xeb/0x330 [ 33.933309][ C3] _raw_write_lock_bh+0x38/0x50 [ 33.933525][ C3] addrconf_permanent_addr+0x6e/0x670 [ 33.933740][ C3] addrconf_notify+0x749/0xd60 [ 33.933962][ C3] notifier_call_chain+0xcd/0x150 [ 33.934278][ C3] __dev_notify_flags+0xe6/0x250 [ 33.934496][ C3] dev_change_flags+0xec/0x160 [ 33.934717][ C3] do_setlink+0x7d6/0x21e0 [ 33.935035][ C3] __rtnl_newlink+0xaa7/0xd80 [ 33.935250][ C3] rtnl_newlink+0x63/0xa0 [ 33.935467][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 33.935683][ C3] netlink_rcv_skb+0x130/0x360 [ 33.936002][ C3] netlink_unicast+0x449/0x710 [ 33.936222][ C3] netlink_sendmsg+0x723/0xbe0 [ 33.936442][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 33.936758][ C3] ___sys_sendmsg+0xee/0x170 [ 33.936983][ C3] __sys_sendmsg+0xcd/0x170 [ 33.937201][ C3] do_syscall_64+0xc6/0x1e0 [ 33.937520][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 33.937777][ C3] INITIAL READ USE at: [ 33.937907][ C3] __lock_acquire+0x797/0x1570 [ 33.938122][ C3] lock_acquire.part.0+0xeb/0x330 [ 33.938337][ C3] _raw_read_lock_bh+0x44/0x80 [ 33.938553][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 33.938808][ C3] inet6_fill_link_af+0x5e/0xe0 [ 33.939126][ C3] rtnl_fill_ifinfo+0x1615/0x2a90 [ 33.939345][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 33.939603][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 33.939965][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 33.940192][ C3] register_netdevice+0x1177/0x1690 [ 33.940450][ C3] register_netdev+0x20/0x40 [ 33.940760][ C3] vti6_init_net+0x25d/0x380 [ 33.940978][ C3] ops_init+0x9b/0x560 [ 33.941191][ C3] register_pernet_operations+0x2db/0x710 [ 33.941447][ C3] register_pernet_device+0x2a/0x60 [ 33.941823][ C3] vti6_tunnel_init+0x18/0x110 [ 33.942043][ C3] do_one_initcall+0x8d/0x1e0 [ 33.942260][ C3] do_initcalls+0x1b2/0x3e0 [ 33.942483][ C3] kernel_init_freeable+0x232/0x310 [ 33.942743][ C3] kernel_init+0x20/0x200 [ 33.942966][ C3] ret_from_fork+0x31/0x70 [ 33.943297][ C3] ret_from_fork_asm+0x1a/0x30 [ 33.943514][ C3] } [ 33.943601][ C3] ... key at: [] __key.37+0x0/0x40 [ 33.943862][ C3] ... acquired at: [ 33.944183][ C3] mark_lock+0x28d/0x3e0 [ 33.944358][ C3] mark_usage+0xd9/0x2a0 [ 33.944529][ C3] __lock_acquire+0x797/0x1570 [ 33.944703][ C3] lock_acquire.part.0+0xeb/0x330 [ 33.944974][ C3] _raw_write_lock+0x30/0x40 [ 33.945148][ C3] addrconf_rs_timer+0xa9/0x730 [ 33.945319][ C3] call_timer_fn+0x13b/0x230 [ 33.945491][ C3] __run_timers+0x545/0x810 [ 33.945667][ C3] run_timer_softirq+0xe8/0x1b0 [ 33.945937][ C3] __do_softirq+0x1f8/0x5df [ 33.946110][ C3] irq_exit_rcu+0x97/0xc0 [ 33.946281][ C3] sysvec_apic_timer_interrupt+0x75/0x80 [ 33.946495][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 33.946807][ C3] _raw_spin_unlock_irqrestore+0x43/0x70 [ 33.947033][ C3] get_partial_node.part.0+0x1c5/0x3a0 [ 33.947205][ C3] ___slab_alloc+0xb70/0x10a0 [ 33.947479][ C3] kmem_cache_alloc+0x243/0x270 [ 33.947650][ C3] __alloc_object+0x39/0x6f0 [ 33.947822][ C3] __create_object+0x22/0xb0 [ 33.947992][ C3] __kmalloc_node_track_caller+0x33a/0x400 [ 33.948206][ C3] kstrdup+0x37/0x70 [ 33.948335][ C3] kobject_set_name_vargs+0x45/0x120 [ 33.948508][ C3] dev_set_name+0xaf/0xe0 [ 33.948680][ C3] netdev_register_kobject+0xc5/0x2f0 [ 33.948855][ C3] register_netdevice+0xe80/0x1690 [ 33.949124][ C3] register_netdev+0x20/0x40 [ 33.949294][ C3] sit_init_net+0x250/0x4f0 [ 33.949462][ C3] ops_init+0x9b/0x560 [ 33.949592][ C3] setup_net+0x575/0xc30 [ 33.949860][ C3] copy_net_ns+0x44d/0x730 [ 33.950031][ C3] create_new_namespaces+0x35f/0x920 [ 33.950199][ C3] unshare_nsproxy_namespaces+0x8a/0x1b0 [ 33.950417][ C3] ksys_unshare+0x2cc/0x6e0 [ 33.950693][ C3] __x64_sys_unshare+0x31/0x40 [ 33.950866][ C3] do_syscall_64+0xc6/0x1e0 [ 33.951037][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 33.951247][ C3] [ 33.951334][ C3] [ 33.951334][ C3] stack backtrace: [ 33.951643][ C3] CPU: 3 PID: 321 Comm: ip Not tainted 6.9.0-rc1-virtme #1 [ 33.951899][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.952279][ C3] Call Trace: [ 33.952413][ C3] [ 33.952502][ C3] dump_stack_lvl+0x82/0xd0 [ 33.952677][ C3] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 33.952886][ C3] ? kernel_text_address+0xce/0xe0 [ 33.953158][ C3] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 33.953368][ C3] ? __pfx_usage_skip+0x10/0x10 [ 33.953544][ C3] ? __pfx_usage_match+0x10/0x10 [ 33.953719][ C3] ? arch_stack_walk+0xa2/0xf0 [ 33.953991][ C3] mark_lock_irq+0x4cd/0xa10 [ 33.954163][ C3] ? __pfx_mark_lock_irq+0x10/0x10 [ 33.954335][ C3] ? __pfx_stack_trace_save+0x10/0x10 [ 33.954509][ C3] ? save_trace+0x8f/0x5b0 [ 33.954781][ C3] mark_lock+0x28d/0x3e0 [ 33.954910][ C3] ? __pfx_stack_trace_save+0x10/0x10 [ 33.955082][ C3] mark_usage+0xd9/0x2a0 [ 33.955215][ C3] __lock_acquire+0x797/0x1570 [ 33.955387][ C3] ? __pfx_validate_chain+0x10/0x10 [ 33.955660][ C3] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 33.955829][ C3] lock_acquire.part.0+0xeb/0x330 [ 33.955999][ C3] ? addrconf_rs_timer+0xa9/0x730 [ 33.956171][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 33.956342][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 33.956513][ C3] ? addrconf_rs_timer+0xa9/0x730 [ 33.956685][ C3] ? lock_acquire+0x32/0xc0 [ 33.956856][ C3] ? addrconf_rs_timer+0xa9/0x730 [ 33.957228][ C3] _raw_write_lock+0x30/0x40 [ 33.957401][ C3] ? addrconf_rs_timer+0xa9/0x730 [ 33.957571][ C3] addrconf_rs_timer+0xa9/0x730 [ 33.957742][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 33.957913][ C3] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 33.958182][ C3] ? call_timer_fn+0xe8/0x230 [ 33.958351][ C3] ? lock_acquire+0x32/0xc0 [ 33.958526][ C3] ? call_timer_fn+0xe8/0x230 [ 33.958699][ C3] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 33.958969][ C3] call_timer_fn+0x13b/0x230 [ 33.959139][ C3] ? call_timer_fn+0xe8/0x230 [ 33.959308][ C3] ? call_timer_fn+0xe8/0x230 [ 33.959497][ C3] ? __pfx_call_timer_fn+0x10/0x10 [ 33.959766][ C3] ? hlock_class+0x4e/0x130 [ 33.959935][ C3] ? mark_held_locks+0x9e/0xe0 [ 33.960112][ C3] __run_timers+0x545/0x810 [ 33.960282][ C3] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 33.960552][ C3] ? __pfx___run_timers+0x10/0x10 [ 33.960722][ C3] ? do_raw_spin_lock+0x131/0x270 [ 33.960893][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 33.961067][ C3] ? lock_acquire+0x32/0xc0 [ 33.961237][ C3] ? run_timer_softirq+0xe0/0x1b0 [ 33.961407][ C3] run_timer_softirq+0xe8/0x1b0 [ 33.961577][ C3] __do_softirq+0x1f8/0x5df [ 33.961752][ C3] irq_exit_rcu+0x97/0xc0 [ 33.961881][ C3] sysvec_apic_timer_interrupt+0x75/0x80 [ 33.962152][ C3] [ 33.962245][ C3] [ 33.962333][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 33.962545][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 33.962767][ C3] Code: 10 e8 81 21 79 fd 48 89 ef e8 b9 91 79 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d f5 7b 2d 59 <74> 0e 5b 5d c3 cc cc cc cc e8 0f f0 9c fd eb dc 0f 1f 44 00 00 5b [ 33.963477][ C3] RSP: 0018:ffffc90000fbf750 EFLAGS: 00000282 [ 33.963801][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff5403e3d [ 33.964058][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa6d64de1 [ 33.964312][ C3] RBP: ffff88800104f440 R08: 0000000000000001 R09: fffffbfff54032a5 [ 33.964673][ C3] R10: ffffffffaa01952f R11: 0000000000000008 R12: ffff88800104f440 [ 33.964929][ C3] R13: ffffea00000d2e00 R14: ffff88800104de40 R15: ffff8880034b9cc8 [ 33.965186][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 33.965499][ C3] get_partial_node.part.0+0x1c5/0x3a0 [ 33.965675][ C3] ___slab_alloc+0xb70/0x10a0 [ 33.965845][ C3] ? kmem_cache_alloc+0x42/0x270 [ 33.966015][ C3] ? __alloc_object+0x39/0x6f0 [ 33.966194][ C3] ? __pfx___lock_release+0x10/0x10 [ 33.966366][ C3] ? __alloc_object+0x39/0x6f0 [ 33.966539][ C3] ? kmem_cache_alloc+0x243/0x270 [ 33.966710][ C3] kmem_cache_alloc+0x243/0x270 [ 33.966896][ C3] __alloc_object+0x39/0x6f0 [ 33.967165][ C3] __create_object+0x22/0xb0 [ 33.967337][ C3] __kmalloc_node_track_caller+0x33a/0x400 [ 33.967550][ C3] ? kobject_set_name_vargs+0x45/0x120 [ 33.967723][ C3] kstrdup+0x37/0x70 [ 33.967953][ C3] kobject_set_name_vargs+0x45/0x120 [ 33.968124][ C3] ? mark_lock+0x38/0x3e0 [ 33.968252][ C3] dev_set_name+0xaf/0xe0 [ 33.968382][ C3] ? __pfx_dev_set_name+0x10/0x10 [ 33.968553][ C3] ? __init_waitqueue_head+0xcf/0x150 [ 33.968825][ C3] netdev_register_kobject+0xc5/0x2f0 [ 33.968996][ C3] register_netdevice+0xe80/0x1690 [ 33.969172][ C3] ? __pfx_register_netdevice+0x10/0x10 [ 33.969344][ C3] register_netdev+0x20/0x40 [ 33.969618][ C3] sit_init_net+0x250/0x4f0 [ 33.969790][ C3] ops_init+0x9b/0x560 [ 33.969922][ C3] setup_net+0x575/0xc30 [ 33.970051][ C3] ? __pfx_setup_net+0x10/0x10 [ 33.970224][ C3] ? __pfx_down_read_killable+0x10/0x10 [ 33.970494][ C3] copy_net_ns+0x44d/0x730 [ 33.970666][ C3] create_new_namespaces+0x35f/0x920 [ 33.970851][ C3] unshare_nsproxy_namespaces+0x8a/0x1b0 [ 33.971021][ C3] ksys_unshare+0x2cc/0x6e0 [ 33.971290][ C3] ? __pfx_ksys_unshare+0x10/0x10 [ 33.971460][ C3] ? __x64_sys_openat+0x123/0x1e0 [ 33.971629][ C3] ? __pfx___x64_sys_openat+0x10/0x10 [ 33.971798][ C3] __x64_sys_unshare+0x31/0x40 [ 33.972069][ C3] do_syscall_64+0xc6/0x1e0 [ 33.972246][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 33.972459][ C3] RIP: 0033:0x7f9272b3890b [ 33.972633][ C3] Code: 73 01 c3 48 8b 0d f5 94 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 94 1b 00 f7 d8 64 89 01 48 [ 33.973347][ C3] RSP: 002b:00007fff277d36c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 33.973715][ C3] RAX: ffffffffffffffda RBX: 000000000046d7b0 RCX: 00007f9272b3890b [ 33.973972][ C3] RDX: 0000000000000000 RSI: 00000000004711d5 RDI: 0000000040000000 [ 33.974224][ C3] RBP: 0000000000000007 R08: 0000000000000000 R09: 00007fff277d3560 [ 33.974477][ C3] R10: 00007f9272b0df18 R11: 0000000000000202 R12: 0000000000000000 [ 33.974738][ C3] R13: 00007fff277d58e0 R14: 0000000000000001 R15: 00007fff277d7a0c [ 33.974995][ C3]