[ 9.203187][ T173] ------------[ cut here ]------------
[ 9.203446][ T173] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: python3/173
[ 9.203784][ T173] Modules linked in: netdevsim
[ 9.204034][ T173] CPU: 0 UID: 0 PID: 173 Comm: python3 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.204372][ T173] Tainted: [W]=WARN
[ 9.204498][ T173] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.204731][ T173] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.204947][ T173] 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
[ 9.205641][ T173] RSP: 0018:ffa00000007d7500 EFLAGS: 00010286
[ 9.205848][ T173] RAX: 00000000ffffffa6 RBX: ff1100001542a4c0 RCX: 1ff40000000fae66
[ 9.206132][ T173] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001542a570
[ 9.206382][ T173] RBP: ff110000058b2000 R08: 1fe2200002a854af R09: ff11000004be5248
[ 9.206628][ T173] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.206872][ T173] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058b2000
[ 9.207127][ T173] FS: 00007f5f33772400(0000) GS:ff11000084979000(0000) knlGS:0000000000000000
[ 9.207416][ T173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.207622][ T173] CR2: 00005569fc770c80 CR3: 000000000905b006 CR4: 0000000000771ef0
[ 9.207869][ T173] PKRU: 55555554
[ 9.208066][ T173] Call Trace:
[ 9.208196][ T173]
[ 9.208282][ T173] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.208449][ T173] rtmsg_ifinfo+0x5c/0xb0
[ 9.208616][ T173] register_netdevice+0x1526/0x1bc0
[ 9.208783][ T173] ? unregister_netdevice_queue+0x470/0x470
[ 9.208993][ T173] ? __debugfs_create_file+0x2cf/0x3c0
[ 9.209170][ T173] nsim_init_netdevsim+0x80e/0xcb0 [netdevsim]
[ 9.209382][ T173] nsim_create+0x45b/0x5b0 [netdevsim]
[ 9.209549][ T173] __nsim_dev_port_add+0x30b/0x7a0 [netdevsim]
[ 9.209753][ T173] ? add_timer_on+0x580/0x580
[ 9.209921][ T173] ? nsim_dev_get_vfs+0x90/0x90 [netdevsim]
[ 9.210146][ T173] ? is_module_address+0x68/0x110
[ 9.210312][ T173] ? static_obj+0x5d/0x90
[ 9.210436][ T173] ? mark_held_locks+0x40/0x70
[ 9.210604][ T173] ? nsim_dev_hwstats_init+0x3a4/0x4d0 [netdevsim]
[ 9.210817][ T173] nsim_drv_probe+0x59e/0x8d0 [netdevsim]
[ 9.210994][ T173] call_driver_probe+0x61/0x1c0
[ 9.211170][ T173] really_probe+0x199/0x760
[ 9.211337][ T173] ? driver_probe_device+0x130/0x130
[ 9.211501][ T173] __driver_probe_device+0x1dc/0x430
[ 9.211667][ T173] driver_probe_device+0x4a/0x130
[ 9.211832][ T173] __device_attach_driver+0x16d/0x2a0
[ 9.211999][ T173] bus_for_each_drv+0x135/0x1e0
[ 9.212167][ T173] ? bus_find_device_reverse+0x1c0/0x1c0
[ 9.212334][ T173] __device_attach+0x1a6/0x410
[ 9.212494][ T173] ? __rwlock_init+0x150/0x150
[ 9.212657][ T173] ? __driver_attach_async_helper+0x2a0/0x2a0
[ 9.212860][ T173] ? do_raw_spin_unlock+0x59/0x250
[ 9.213032][ T173] ? _raw_spin_unlock+0x2d/0x50
[ 9.213201][ T173] device_initial_probe+0x8b/0xc0
[ 9.213364][ T173] bus_probe_device+0x63/0x160
[ 9.213527][ T173] device_add+0xb16/0x1130
[ 9.213689][ T173] ? __fw_devlink_link_to_consumers.isra.0+0x2d0/0x2d0
[ 9.213890][ T173] ? __init_waitqueue_head+0xcb/0x160
[ 9.214058][ T173] ? pm_runtime_init+0x323/0x3f0
[ 9.214229][ T173] new_device_store+0x3d4/0x730 [netdevsim]
[ 9.214433][ T173] ? __lock_release.isra.0+0x6b/0x1a0
[ 9.214595][ T173] ? new_port_store+0x1a0/0x1a0 [netdevsim]
[ 9.214798][ T173] ? sysfs_file_kobj+0xb3/0x1e0
[ 9.214965][ T173] ? sysfs_file_kobj+0xbd/0x1e0
[ 9.215142][ T173] ? sysfs_file_ops+0x140/0x140
[ 9.215307][ T173] kernfs_fop_write_iter+0x335/0x510
[ 9.215480][ T173] ? kernfs_ops+0xf0/0xf0
[ 9.215603][ T173] new_sync_write+0x333/0x750
[ 9.215768][ T173] ? __lock_acquire+0x508/0xc10
[ 9.215930][ T173] ? new_sync_read+0x740/0x740
[ 9.216103][ T173] ? lock_acquire.part.0+0xbc/0x260
[ 9.216280][ T173] ? ksys_write+0x116/0x250
[ 9.216447][ T173] vfs_write+0x6a4/0xc10
[ 9.216572][ T173] ksys_write+0x116/0x250
[ 9.216697][ T173] ? __ia32_sys_read+0xc0/0xc0
[ 9.216860][ T173] ? rcu_is_watching+0x15/0xd0
[ 9.217029][ T173] ? rcu_is_watching+0x15/0xd0
[ 9.217197][ T173] do_syscall_64+0x117/0xfc0
[ 9.217359][ T173] ? irq_exit_rcu+0x1a/0x30
[ 9.217523][ T173] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.217724][ T173] RIP: 0033:0x7f5f338fa08e
[ 9.217892][ T173] 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
[ 9.218477][ T173] RSP: 002b:00007ffea68d1990 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 9.218726][ T173] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5f338fa08e
[ 9.218971][ T173] RDX: 000000000000000a RSI: 000055d16aded320 RDI: 0000000000000006
[ 9.219229][ T173] RBP: 00007ffea68d19a0 R08: 0000000000000000 R09: 0000000000000000
[ 9.219472][ T173] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5f33772390
[ 9.219717][ T173] R13: 000055d16aded320 R14: 0000000000000006 R15: 00007f5f337010d0
[ 9.219968][ T173]
[ 9.220098][ T173] irq event stamp: 390543
[ 9.220226][ T173] hardirqs last enabled at (390551): [] __up_console_sem+0x5a/0x70
[ 9.220509][ T173] hardirqs last disabled at (390558): [] __up_console_sem+0x3f/0x70
[ 9.220788][ T173] softirqs last enabled at (390014): [] handle_softirqs+0x611/0x940
[ 9.221074][ T173] softirqs last disabled at (389957): [] __irq_exit_rcu+0x103/0x1c0
[ 9.221363][ T173] ---[ end trace 0000000000000000 ]---