[ 11.450171][ T175] netconsole: network logging started
[ 11.536045][ T176] ------------[ cut here ]------------
[ 11.536336][ T176] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/176
[ 11.536732][ T176] Modules linked in: netconsole
[ 11.536906][ T176] CPU: 1 UID: 0 PID: 176 Comm: ip Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 11.537183][ T176] Tainted: [W]=WARN
[ 11.537303][ T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.537496][ T176] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 11.537758][ T176] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cb f0 ff b9 a6 ff ff
[ 11.538491][ T176] RSP: 0018:ffa0000000617aa8 EFLAGS: 00010286
[ 11.538731][ T176] RAX: 00000000ffffffa6 RBX: ff1100000958a640 RCX: 1ff40000000c2f1b
[ 11.539023][ T176] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000958a6f0
[ 11.539302][ T176] RBP: ff11000007d2c000 R08: 1fe22000012b14df R09: ff11000008b4ae80
[ 11.539570][ T176] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 11.539902][ T176] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007d2c000
[ 11.540239][ T176] FS: 00007f3dc32cc840(0000) GS:ff1100007e3f9000(0000) knlGS:0000000000000000
[ 11.540518][ T176] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 11.540698][ T176] CR2: 0000000000479648 CR3: 000000000c41f001 CR4: 0000000000771ef0
[ 11.540900][ T176] PKRU: 55555554
[ 11.541001][ T176] Call Trace:
[ 11.541102][ T176]
[ 11.541171][ T176] ? ip6_route_dev_notify+0x250/0x380
[ 11.541320][ T176] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 11.541457][ T176] ? notifier_call_chain+0xb0/0x320
[ 11.541619][ T176] rtmsg_ifinfo+0x5c/0xb0
[ 11.541755][ T176] register_netdevice+0x1526/0x1bc0
[ 11.541960][ T176] ? unregister_netdevice_queue+0x470/0x470
[ 11.542223][ T176] ? alloc_netdev_mqs+0xeda/0x1430
[ 11.542452][ T176] register_netdev+0x23/0x40
[ 11.542625][ T176] loopback_net_init+0x7d/0x150
[ 11.542772][ T176] ops_init+0x187/0x560
[ 11.542875][ T176] setup_net+0x11b/0x3b0
[ 11.542982][ T176] ? unregister_pernet_device+0x80/0x80
[ 11.543123][ T176] ? lockdep_init_map_type+0x5d/0x250
[ 11.543266][ T176] ? mutex_init_lockdep+0xf6/0x120
[ 11.543403][ T176] copy_net_ns+0x2fd/0x450
[ 11.543552][ T176] create_new_namespaces+0x371/0xa10
[ 11.543694][ T176] unshare_nsproxy_namespaces+0xa5/0x150
[ 11.543836][ T176] ksys_unshare+0x47e/0x8c0
[ 11.543974][ T176] ? walk_process_tree+0x350/0x350
[ 11.544131][ T176] ? __ia32_sys_open+0x1b0/0x1b0
[ 11.544289][ T176] __x64_sys_unshare+0x34/0x50
[ 11.544426][ T176] ? do_syscall_64+0x82/0xfc0
[ 11.544732][ T176] do_syscall_64+0x117/0xfc0
[ 11.544867][ T176] ? trace_hardirqs_off+0xd/0x30
[ 11.545019][ T176] ? exc_page_fault+0xee/0x100
[ 11.545162][ T176] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 11.545344][ T176] RIP: 0033:0x7f3dc358ebcb
[ 11.545493][ T176] Code: 73 01 c3 48 8b 0d 2d 82 0f 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 fd 81 0f 00 f7 d8 64 89 01 48
[ 11.546049][ T176] RSP: 002b:00007ffd9f2a5c08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 11.546272][ T176] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3dc358ebcb
[ 11.546485][ T176] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[ 11.546760][ T176] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[ 11.546964][ T176] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd9f2a7e30
[ 11.547166][ T176] R13: 0000000000000001 R14: 00007f3dc32cc6f8 R15: 00007ffd9f2a8856
[ 11.547381][ T176]
[ 11.547484][ T176] irq event stamp: 36425
[ 11.547593][ T176] hardirqs last enabled at (36433): [] __up_console_sem+0x5a/0x70
[ 11.547856][ T176] hardirqs last disabled at (36440): [] __up_console_sem+0x3f/0x70
[ 11.548099][ T176] softirqs last enabled at (35906): [] __alloc_skb+0x4c5/0x5f0
[ 11.548339][ T176] softirqs last disabled at (35904): [] __alloc_skb+0x4c5/0x5f0
[ 11.548578][ T176] ---[ end trace 0000000000000000 ]---
[ 11.677479][ T174] ------------[ cut here ]------------
[ 11.677892][ T174] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/174
[ 11.678571][ T174] Modules linked in: netdevsim netconsole
[ 11.678936][ T174] CPU: 3 UID: 0 PID: 174 Comm: python3 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 11.679502][ T174] Tainted: [W]=WARN
[ 11.679713][ T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.680052][ T174] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 11.680435][ T174] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cb f0 ff b9 a6 ff ff
[ 11.681409][ T174] RSP: 0018:ffa0000000867500 EFLAGS: 00010286
[ 11.681760][ T174] RAX: 00000000ffffffa6 RBX: ff11000004c881c0 RCX: 1ff400000010ce66
[ 11.682157][ T174] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004c88270
[ 11.682600][ T174] RBP: ff1100000c042000 R08: 1fe220000099104f R09: ff1100000c4cd248
[ 11.683004][ T174] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 11.683412][ T174] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c042000
[ 11.683821][ T174] FS: 00007f06da045400(0000) GS:ff1100007e4f9000(0000) knlGS:0000000000000000
[ 11.684304][ T174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 11.684648][ T174] CR2: 0000563ca17a7e90 CR3: 000000000bbc6003 CR4: 0000000000771ef0
[ 11.685036][ T174] PKRU: 55555554
[ 11.685249][ T174] Call Trace:
[ 11.685451][ T174]
[ 11.685612][ T174] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 11.685900][ T174] rtmsg_ifinfo+0x5c/0xb0
[ 11.686111][ T174] register_netdevice+0x1526/0x1bc0
[ 11.686389][ T174] ? unregister_netdevice_queue+0x470/0x470
[ 11.686816][ T174] ? __debugfs_create_file+0x2cf/0x3c0
[ 11.687098][ T174] nsim_init_netdevsim+0x80e/0xcb0 [netdevsim]
[ 11.687452][ T174] nsim_create+0x45b/0x5b0 [netdevsim]
[ 11.687737][ T174] __nsim_dev_port_add+0x30b/0x7a0 [netdevsim]
[ 11.688077][ T174] ? add_timer_on+0x580/0x580
[ 11.688360][ T174] ? nsim_dev_get_vfs+0x90/0x90 [netdevsim]
[ 11.688711][ T174] ? is_module_address+0x68/0x110
[ 11.688986][ T174] ? static_obj+0x5d/0x90
[ 11.689195][ T174] ? mark_held_locks+0x40/0x70
[ 11.689487][ T174] ? nsim_dev_hwstats_init+0x3a4/0x4d0 [netdevsim]
[ 11.689851][ T174] nsim_drv_probe+0x59e/0x8d0 [netdevsim]
[ 11.690132][ T174] call_driver_probe+0x61/0x1c0
[ 11.690409][ T174] really_probe+0x199/0x760
[ 11.690680][ T174] ? driver_probe_device+0x130/0x130
[ 11.690938][ T174] __driver_probe_device+0x1dc/0x430
[ 11.691216][ T174] driver_probe_device+0x4a/0x130
[ 11.691483][ T174] __device_attach_driver+0x16d/0x2a0
[ 11.691777][ T174] bus_for_each_drv+0x135/0x1e0
[ 11.692053][ T174] ? bus_find_device_reverse+0x1c0/0x1c0
[ 11.692337][ T174] __device_attach+0x1a6/0x410
[ 11.692608][ T174] ? __rwlock_init+0x150/0x150
[ 11.692877][ T174] ? __driver_attach_async_helper+0x2a0/0x2a0
[ 11.693228][ T174] ? do_raw_spin_unlock+0x59/0x250
[ 11.693514][ T174] ? _raw_spin_unlock+0x2d/0x50
[ 11.693806][ T174] device_initial_probe+0x8b/0xc0
[ 11.694097][ T174] bus_probe_device+0x63/0x160
[ 11.694389][ T174] device_add+0xb16/0x1130
[ 11.694667][ T174] ? __fw_devlink_link_to_consumers.isra.0+0x2d0/0x2d0
[ 11.695005][ T174] ? __init_waitqueue_head+0xcb/0x160
[ 11.695294][ T174] ? pm_runtime_init+0x323/0x3f0
[ 11.695573][ T174] new_device_store+0x3d4/0x730 [netdevsim]
[ 11.695913][ T174] ? __lock_release.isra.0+0x6b/0x1a0
[ 11.696183][ T174] ? new_port_store+0x1a0/0x1a0 [netdevsim]
[ 11.696532][ T174] ? sysfs_file_kobj+0xb3/0x1e0
[ 11.696806][ T174] ? sysfs_file_kobj+0xbd/0x1e0
[ 11.697077][ T174] ? sysfs_file_ops+0x140/0x140
[ 11.697353][ T174] kernfs_fop_write_iter+0x335/0x510
[ 11.697630][ T174] ? kernfs_ops+0xf0/0xf0
[ 11.697837][ T174] new_sync_write+0x333/0x750
[ 11.698109][ T174] ? __lock_acquire+0x508/0xc10
[ 11.698374][ T174] ? new_sync_read+0x740/0x740
[ 11.698644][ T174] ? lock_acquire.part.0+0xbc/0x260
[ 11.698907][ T174] ? ksys_write+0x116/0x250
[ 11.699185][ T174] vfs_write+0x6a4/0xc10
[ 11.699401][ T174] ksys_write+0x116/0x250
[ 11.699609][ T174] ? __ia32_sys_read+0xc0/0xc0
[ 11.699904][ T174] ? kernfs_fop_llseek+0x160/0x1f0
[ 11.700179][ T174] ? rcu_is_watching+0x15/0xd0
[ 11.700461][ T174] do_syscall_64+0x117/0xfc0
[ 11.700757][ T174] ? trace_hardirqs_off+0xd/0x30
[ 11.701035][ T174] ? exc_page_fault+0xee/0x100
[ 11.701311][ T174] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 11.701649][ T174] RIP: 0033:0x7f06da1cd08e
[ 11.701932][ T174] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[ 11.702905][ T174] RSP: 002b:00007ffc6aad5e90 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 11.703323][ T174] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f06da1cd08e
[ 11.703732][ T174] RDX: 0000000000000009 RSI: 0000561115d566f0 RDI: 0000000000000006
[ 11.704146][ T174] RBP: 00007ffc6aad5ea0 R08: 0000000000000000 R09: 0000000000000000
[ 11.704559][ T174] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f06da045390
[ 11.704956][ T174] R13: 0000561115d566f0 R14: 0000000000000006 R15: 00007f06d9fd10d0
[ 11.705382][ T174]
[ 11.705591][ T174] irq event stamp: 332291
[ 11.705796][ T174] hardirqs last enabled at (332299): [] __up_console_sem+0x5a/0x70
[ 11.706305][ T174] hardirqs last disabled at (332308): [] __up_console_sem+0x3f/0x70
[ 11.706788][ T174] softirqs last enabled at (331576): [] handle_softirqs+0x611/0x940
[ 11.707260][ T174] softirqs last disabled at (331567): [] __irq_exit_rcu+0x103/0x1c0
[ 11.707738][ T174] ---[ end trace 0000000000000000 ]---
[ 12.352069][ T12] ------------[ cut here ]------------
[ 12.352433][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: kworker/u16:0/12
[ 12.352923][ T12] Modules linked in: netdevsim netconsole
[ 12.353185][ T12] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 12.353649][ T12] Tainted: [W]=WARN
[ 12.353798][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.354046][ T12] Workqueue: netns cleanup_net
[ 12.354286][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 12.354556][ T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cb f0 ff b9 a6 ff ff
[ 12.355257][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 12.355502][ T12] RAX: 00000000ffffffa6 RBX: ff1100000b9af240 RCX: 1ff4000000018ed5
[ 12.355814][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b9af2f0
[ 12.356109][ T12] RBP: ff11000007d2c000 R08: 1fe2200001735e5f R09: ff11000001b051d0
[ 12.356411][ T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 12.356708][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 12.357007][ T12] FS: 0000000000000000(0000) GS:ff1100007e4f9000(0000) knlGS:0000000000000000
[ 12.357355][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 12.357608][ T12] CR2: 00007fbf7823eab0 CR3: 000000000c36b002 CR4: 0000000000771ef0
[ 12.357914][ T12] PKRU: 55555554
[ 12.358063][ T12] Call Trace:
[ 12.358219][ T12]
[ 12.358330][ T12] unregister_netdevice_many_notify+0xce3/0x1b30
[ 12.358590][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 12.358841][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 12.359049][ T12] default_device_exit_batch+0x38b/0x600
[ 12.359251][ T12] ? unregister_netdev+0x60/0x60
[ 12.359444][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 12.359650][ T12] ops_undo_list+0x2ce/0x8f0
[ 12.359853][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 12.360055][ T12] ? do_raw_spin_unlock+0x59/0x250
[ 12.360262][ T12] cleanup_net+0x431/0x890
[ 12.360461][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 12.360661][ T12] ? process_one_work+0xdb7/0x1410
[ 12.360869][ T12] ? lock_acquire+0x134/0x160
[ 12.361065][ T12] ? rcu_is_watching+0x15/0xd0
[ 12.361280][ T12] process_one_work+0xdf8/0x1410
[ 12.361479][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 12.361682][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 12.361923][ T12] worker_thread+0x4f1/0xd60
[ 12.362127][ T12] ? rescuer_thread+0x1320/0x1320
[ 12.362330][ T12] kthread+0x367/0x460
[ 12.362482][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 12.362727][ T12] ? kthread_affine_node+0x330/0x330
[ 12.362920][ T12] ret_from_fork+0x474/0x6b0
[ 12.363115][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 12.363372][ T12] ? __switch_to+0x5a3/0xe00
[ 12.363572][ T12] ? kthread_affine_node+0x330/0x330
[ 12.363770][ T12] ret_from_fork_asm+0x11/0x20
[ 12.363979][ T12]
[ 12.364130][ T12] irq event stamp: 2301
[ 12.364289][ T12] hardirqs last enabled at (2311): [] __up_console_sem+0x5a/0x70
[ 12.364633][ T12] hardirqs last disabled at (2318): [] __up_console_sem+0x3f/0x70
[ 12.364973][ T12] softirqs last enabled at (2182): [] handle_softirqs+0x611/0x940
[ 12.365323][ T12] softirqs last disabled at (2177): [] __irq_exit_rcu+0x103/0x1c0
[ 12.365675][ T12] ---[ end trace 0000000000000000 ]---