[ 9.697828][ T175] ------------[ cut here ]------------
[ 9.698095][ T175] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/175
[ 9.698483][ T175] Modules linked in: netdevsim
[ 9.698750][ T175] CPU: 3 UID: 0 PID: 175 Comm: python3 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.699105][ T175] Tainted: [W]=WARN
[ 9.699236][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.699451][ T175] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.699691][ 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
[ 9.700302][ T175] RSP: 0018:ffa0000000807500 EFLAGS: 00010286
[ 9.700559][ T175] RAX: 00000000ffffffa6 RBX: ff1100000b5de940 RCX: 1ff4000000100e66
[ 9.700819][ T175] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b5de9f0
[ 9.701083][ T175] RBP: ff11000005872000 R08: 1fe22000016bbd3f R09: ff1100000c778c48
[ 9.701337][ T175] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.701595][ T175] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005872000
[ 9.701853][ T175] FS: 00007fa00ba88400(0000) GS:ff11000077cf9000(0000) knlGS:0000000000000000
[ 9.702155][ T175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.702369][ T175] CR2: 00007fa00be890a1 CR3: 000000000c5a1002 CR4: 0000000000771ef0
[ 9.702628][ T175] PKRU: 55555554
[ 9.702756][ T175] Call Trace:
[ 9.702892][ T175]
[ 9.702981][ T175] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.703149][ T175] rtmsg_ifinfo+0x5c/0xb0
[ 9.703275][ T175] register_netdevice+0x1526/0x1bc0
[ 9.703442][ T175] ? unregister_netdevice_queue+0x470/0x470
[ 9.703653][ T175] ? __debugfs_create_file+0x2cf/0x3c0
[ 9.703827][ T175] nsim_init_netdevsim+0x80e/0xcb0 [netdevsim]
[ 9.704050][ T175] nsim_create+0x45b/0x5b0 [netdevsim]
[ 9.704217][ T175] __nsim_dev_port_add+0x30b/0x7a0 [netdevsim]
[ 9.704426][ T175] ? add_timer_on+0x580/0x580
[ 9.704599][ T175] ? nsim_dev_get_vfs+0x90/0x90 [netdevsim]
[ 9.704806][ T175] ? is_module_address+0x68/0x110
[ 9.704980][ T175] ? static_obj+0x5d/0x90
[ 9.705106][ T175] ? mark_held_locks+0x40/0x70
[ 9.705277][ T175] ? nsim_dev_hwstats_init+0x3a4/0x4d0 [netdevsim]
[ 9.705486][ T175] nsim_drv_probe+0x59e/0x8d0 [netdevsim]
[ 9.705661][ T175] call_driver_probe+0x61/0x1c0
[ 9.705829][ T175] really_probe+0x199/0x760
[ 9.706004][ T175] ? driver_probe_device+0x130/0x130
[ 9.706167][ T175] __driver_probe_device+0x1dc/0x430
[ 9.706334][ T175] driver_probe_device+0x4a/0x130
[ 9.706508][ T175] __device_attach_driver+0x16d/0x2a0
[ 9.706677][ T175] bus_for_each_drv+0x135/0x1e0
[ 9.706850][ T175] ? bus_find_device_reverse+0x1c0/0x1c0
[ 9.707024][ T175] __device_attach+0x1a6/0x410
[ 9.707192][ T175] ? __rwlock_init+0x150/0x150
[ 9.707362][ T175] ? __driver_attach_async_helper+0x2a0/0x2a0
[ 9.707579][ T175] ? do_raw_spin_unlock+0x59/0x250
[ 9.707749][ T175] ? _raw_spin_unlock+0x2d/0x50
[ 9.707930][ T175] device_initial_probe+0x8b/0xc0
[ 9.708097][ T175] bus_probe_device+0x63/0x160
[ 9.708268][ T175] device_add+0xb16/0x1130
[ 9.708437][ T175] ? __fw_devlink_link_to_consumers.isra.0+0x2d0/0x2d0
[ 9.708650][ T175] ? __init_waitqueue_head+0xcb/0x160
[ 9.708824][ T175] ? pm_runtime_init+0x323/0x3f0
[ 9.709006][ T175] new_device_store+0x3d4/0x730 [netdevsim]
[ 9.709222][ T175] ? __lock_release.isra.0+0x6b/0x1a0
[ 9.709390][ T175] ? new_port_store+0x1a0/0x1a0 [netdevsim]
[ 9.709604][ T175] ? sysfs_file_kobj+0xb3/0x1e0
[ 9.709779][ T175] ? sysfs_file_kobj+0xbd/0x1e0
[ 9.709962][ T175] ? sysfs_file_ops+0x140/0x140
[ 9.710131][ T175] kernfs_fop_write_iter+0x335/0x510
[ 9.710300][ T175] ? kernfs_ops+0xf0/0xf0
[ 9.710428][ T175] new_sync_write+0x333/0x750
[ 9.710603][ T175] ? __lock_acquire+0x508/0xc10
[ 9.710782][ T175] ? new_sync_read+0x740/0x740
[ 9.710962][ T175] ? lock_acquire.part.0+0xbc/0x260
[ 9.711130][ T175] ? ksys_write+0x116/0x250
[ 9.711301][ T175] vfs_write+0x6a4/0xc10
[ 9.711429][ T175] ksys_write+0x116/0x250
[ 9.711562][ T175] ? __ia32_sys_read+0xc0/0xc0
[ 9.711728][ T175] ? kernfs_fop_llseek+0x160/0x1f0
[ 9.711908][ T175] ? rcu_is_watching+0x15/0xd0
[ 9.712082][ T175] do_syscall_64+0x117/0xfc0
[ 9.712249][ T175] ? irq_exit_rcu+0x1a/0x30
[ 9.712418][ T175] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.712634][ T175] RIP: 0033:0x7fa00bc1008e
[ 9.712808][ 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
[ 9.713411][ T175] RSP: 002b:00007ffd31112540 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 9.713670][ T175] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fa00bc1008e
[ 9.713932][ T175] RDX: 000000000000000b RSI: 000055d7c3e5af00 RDI: 0000000000000009
[ 9.714183][ T175] RBP: 00007ffd31112550 R08: 0000000000000000 R09: 0000000000000000
[ 9.714437][ T175] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa00ba88390
[ 9.714690][ T175] R13: 000055d7c3e5af00 R14: 0000000000000009 R15: 00007fa00ba150d0
[ 9.714961][ T175]
[ 9.715088][ T175] irq event stamp: 409825
[ 9.715214][ T175] hardirqs last enabled at (409833): [] __up_console_sem+0x5a/0x70
[ 9.715513][ T175] hardirqs last disabled at (409842): [] __up_console_sem+0x3f/0x70
[ 9.715803][ T175] softirqs last enabled at (409162): [] handle_softirqs+0x611/0x940
[ 9.716101][ T175] softirqs last disabled at (409157): [] __irq_exit_rcu+0x103/0x1c0
[ 9.716394][ T175] ---[ end trace 0000000000000000 ]---