[ 9.363703][ T175] ------------[ cut here ]------------
[ 9.364103][ T175] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/175
[ 9.364491][ T175] Modules linked in: netdevsim
[ 9.364800][ T175] CPU: 2 UID: 0 PID: 175 Comm: python3 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.365380][ T175] Tainted: [W]=WARN
[ 9.365552][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.365816][ T175] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.366097][ T175] 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
[ 9.366784][ T175] RSP: 0018:ffa0000000857500 EFLAGS: 00010286
[ 9.367056][ T175] RAX: 00000000ffffffa6 RBX: ff1100000c8bde40 RCX: 1ff400000010ae66
[ 9.367350][ T175] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c8bdef0
[ 9.367648][ T175] RBP: ff11000005f9a000 R08: 1fe2200001917bdf R09: ff1100000db8d248
[ 9.367944][ T175] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.368250][ T175] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005f9a000
[ 9.368544][ T175] FS: 00007f6d62246400(0000) GS:ff11000082a79000(0000) knlGS:0000000000000000
[ 9.368891][ T175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.369156][ T175] CR2: 00007f9ea6f81808 CR3: 0000000005bf8006 CR4: 0000000000771ef0
[ 9.369448][ T175] PKRU: 55555554
[ 9.369627][ T175] Call Trace:
[ 9.369799][ T175]
[ 9.369933][ T175] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.370162][ T175] rtmsg_ifinfo+0x5c/0xb0
[ 9.370336][ T175] register_netdevice+0x1526/0x1bc0
[ 9.370550][ T175] ? unregister_netdevice_queue+0x470/0x470
[ 9.370814][ T175] ? __debugfs_create_file+0x2cf/0x3c0
[ 9.371050][ T175] nsim_init_netdevsim+0x80e/0xcb0 [netdevsim]
[ 9.371312][ T175] nsim_create+0x45b/0x5b0 [netdevsim]
[ 9.371529][ T175] __nsim_dev_port_add+0x30b/0x7a0 [netdevsim]
[ 9.371792][ T175] ? add_timer_on+0x580/0x580
[ 9.372022][ T175] ? nsim_dev_get_vfs+0x90/0x90 [netdevsim]
[ 9.372289][ T175] ? is_module_address+0x68/0x110
[ 9.372502][ T175] ? static_obj+0x5d/0x90
[ 9.372684][ T175] ? mark_held_locks+0x40/0x70
[ 9.372902][ T175] ? nsim_dev_hwstats_init+0x3a4/0x4d0 [netdevsim]
[ 9.373173][ T175] nsim_drv_probe+0x59e/0x8d0 [netdevsim]
[ 9.373390][ T175] call_driver_probe+0x61/0x1c0
[ 9.373611][ T175] really_probe+0x199/0x760
[ 9.373827][ T175] ? driver_probe_device+0x130/0x130
[ 9.374053][ T175] __driver_probe_device+0x1dc/0x430
[ 9.374266][ T175] driver_probe_device+0x4a/0x130
[ 9.374479][ T175] __device_attach_driver+0x16d/0x2a0
[ 9.374700][ T175] bus_for_each_drv+0x135/0x1e0
[ 9.374916][ T175] ? bus_find_device_reverse+0x1c0/0x1c0
[ 9.375145][ T175] __device_attach+0x1a6/0x410
[ 9.375358][ T175] ? __rwlock_init+0x150/0x150
[ 9.375575][ T175] ? __driver_attach_async_helper+0x2a0/0x2a0
[ 9.375838][ T175] ? do_raw_spin_unlock+0x59/0x250
[ 9.376068][ T175] ? _raw_spin_unlock+0x2d/0x50
[ 9.376282][ T175] device_initial_probe+0x8b/0xc0
[ 9.376497][ T175] bus_probe_device+0x63/0x160
[ 9.376720][ T175] device_add+0xb16/0x1130
[ 9.376935][ T175] ? __fw_devlink_link_to_consumers.isra.0+0x2d0/0x2d0
[ 9.377200][ T175] ? __init_waitqueue_head+0xcb/0x160
[ 9.377412][ T175] ? pm_runtime_init+0x323/0x3f0
[ 9.377635][ T175] new_device_store+0x3d4/0x730 [netdevsim]
[ 9.377891][ T175] ? __lock_release.isra.0+0x6b/0x1a0
[ 9.378115][ T175] ? new_port_store+0x1a0/0x1a0 [netdevsim]
[ 9.378369][ T175] ? sysfs_file_kobj+0xb3/0x1e0
[ 9.378585][ T175] ? sysfs_file_kobj+0xbd/0x1e0
[ 9.378811][ T175] ? sysfs_file_ops+0x140/0x140
[ 9.379039][ T175] kernfs_fop_write_iter+0x335/0x510
[ 9.379251][ T175] ? kernfs_ops+0xf0/0xf0
[ 9.379423][ T175] new_sync_write+0x333/0x750
[ 9.379655][ T175] ? __lock_acquire+0x508/0xc10
[ 9.379876][ T175] ? new_sync_read+0x740/0x740
[ 9.380107][ T175] ? lock_acquire.part.0+0xbc/0x260
[ 9.380319][ T175] ? ksys_write+0x116/0x250
[ 9.380538][ T175] vfs_write+0x6a4/0xc10
[ 9.380722][ T175] ksys_write+0x116/0x250
[ 9.380897][ T175] ? __ia32_sys_read+0xc0/0xc0
[ 9.381123][ T175] ? kernfs_fop_llseek+0x160/0x1f0
[ 9.381334][ T175] ? rcu_is_watching+0x15/0xd0
[ 9.381548][ T175] do_syscall_64+0x117/0xfc0
[ 9.381770][ T175] ? irq_exit_rcu+0x1a/0x30
[ 9.381998][ T175] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.382251][ T175] RIP: 0033:0x7f6d623ce08e
[ 9.382468][ T175] 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
[ 9.383108][ T175] RSP: 002b:00007ffdb31ab060 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 9.383405][ T175] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f6d623ce08e
[ 9.383705][ T175] RDX: 0000000000000009 RSI: 000055ab8f38c480 RDI: 0000000000000006
[ 9.384009][ T175] RBP: 00007ffdb31ab070 R08: 0000000000000000 R09: 0000000000000000
[ 9.384298][ T175] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6d62246390
[ 9.384588][ T175] R13: 000055ab8f38c480 R14: 0000000000000006 R15: 00007f6d621d50d0
[ 9.384898][ T175]
[ 9.385081][ T175] irq event stamp: 331049
[ 9.385250][ T175] hardirqs last enabled at (331059): [] __up_console_sem+0x5a/0x70
[ 9.385580][ T175] hardirqs last disabled at (331068): [] __up_console_sem+0x3f/0x70
[ 9.385919][ T175] softirqs last enabled at (330194): [] handle_softirqs+0x611/0x940
[ 9.386264][ T175] softirqs last disabled at (329943): [] __irq_exit_rcu+0x103/0x1c0
[ 9.386593][ T175] ---[ end trace 0000000000000000 ]---