[ 9.363510][ T174] ------------[ cut here ]------------
[ 9.363796][ T174] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: python3/174
[ 9.364245][ T174] Modules linked in: netdevsim
[ 9.364539][ T174] CPU: 2 UID: 0 PID: 174 Comm: python3 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.364940][ T174] Tainted: [W]=WARN
[ 9.365114][ T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.365442][ T174] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.365713][ 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
[ 9.366388][ T174] RSP: 0018:ffa0000000877500 EFLAGS: 00010286
[ 9.366653][ T174] RAX: 00000000ffffffa6 RBX: ff1100000b860dc0 RCX: 1ff400000010ee66
[ 9.366967][ T174] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b860e70
[ 9.367265][ T174] RBP: ff110000058ea000 R08: 1fe220000170c1cf R09: ff1100000c90d248
[ 9.367584][ T174] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.367897][ T174] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058ea000
[ 9.368196][ T174] FS: 00007f426f29e400(0000) GS:ff11000092079000(0000) knlGS:0000000000000000
[ 9.368645][ T174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.368948][ T174] CR2: 000055dfd8cbbc50 CR3: 000000000b8cd006 CR4: 0000000000771ef0
[ 9.369245][ T174] PKRU: 55555554
[ 9.369442][ T174] Call Trace:
[ 9.369615][ T174]
[ 9.369750][ T174] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.369983][ T174] rtmsg_ifinfo+0x5c/0xb0
[ 9.370161][ T174] register_netdevice+0x1526/0x1bc0
[ 9.370403][ T174] ? unregister_netdevice_queue+0x470/0x470
[ 9.370670][ T174] ? __debugfs_create_file+0x2cf/0x3c0
[ 9.370907][ T174] nsim_init_netdevsim+0x80e/0xcb0 [netdevsim]
[ 9.371174][ T174] nsim_create+0x45b/0x5b0 [netdevsim]
[ 9.371419][ T174] __nsim_dev_port_add+0x30b/0x7a0 [netdevsim]
[ 9.371679][ T174] ? add_timer_on+0x580/0x580
[ 9.371921][ T174] ? nsim_dev_get_vfs+0x90/0x90 [netdevsim]
[ 9.372182][ T174] ? is_module_address+0x68/0x110
[ 9.372418][ T174] ? static_obj+0x5d/0x90
[ 9.372595][ T174] ? mark_held_locks+0x40/0x70
[ 9.372818][ T174] ? nsim_dev_hwstats_init+0x3a4/0x4d0 [netdevsim]
[ 9.373085][ T174] nsim_drv_probe+0x59e/0x8d0 [netdevsim]
[ 9.373329][ T174] call_driver_probe+0x61/0x1c0
[ 9.373570][ T174] really_probe+0x199/0x760
[ 9.373788][ T174] ? driver_probe_device+0x130/0x130
[ 9.374012][ T174] __driver_probe_device+0x1dc/0x430
[ 9.374232][ T174] driver_probe_device+0x4a/0x130
[ 9.374466][ T174] __device_attach_driver+0x16d/0x2a0
[ 9.374684][ T174] bus_for_each_drv+0x135/0x1e0
[ 9.374911][ T174] ? bus_find_device_reverse+0x1c0/0x1c0
[ 9.375133][ T174] __device_attach+0x1a6/0x410
[ 9.375369][ T174] ? __rwlock_init+0x150/0x150
[ 9.375588][ T174] ? __driver_attach_async_helper+0x2a0/0x2a0
[ 9.375857][ T174] ? do_raw_spin_unlock+0x59/0x250
[ 9.376075][ T174] ? _raw_spin_unlock+0x2d/0x50
[ 9.376300][ T174] device_initial_probe+0x8b/0xc0
[ 9.376530][ T174] bus_probe_device+0x63/0x160
[ 9.376749][ T174] device_add+0xb16/0x1130
[ 9.376980][ T174] ? __fw_devlink_link_to_consumers.isra.0+0x2d0/0x2d0
[ 9.377236][ T174] ? __init_waitqueue_head+0xcb/0x160
[ 9.377474][ T174] ? pm_runtime_init+0x323/0x3f0
[ 9.377695][ T174] new_device_store+0x3d4/0x730 [netdevsim]
[ 9.377969][ T174] ? __lock_release.isra.0+0x6b/0x1a0
[ 9.378185][ T174] ? new_port_store+0x1a0/0x1a0 [netdevsim]
[ 9.378474][ T174] ? sysfs_file_kobj+0xb3/0x1e0
[ 9.378696][ T174] ? sysfs_file_kobj+0xbd/0x1e0
[ 9.378927][ T174] ? sysfs_file_ops+0x140/0x140
[ 9.379143][ T174] kernfs_fop_write_iter+0x335/0x510
[ 9.379381][ T174] ? kernfs_ops+0xf0/0xf0
[ 9.379559][ T174] new_sync_write+0x333/0x750
[ 9.379781][ T174] ? __lock_acquire+0x508/0xc10
[ 9.380008][ T174] ? new_sync_read+0x740/0x740
[ 9.380231][ T174] ? lock_acquire.part.0+0xbc/0x260
[ 9.380466][ T174] ? ksys_write+0x116/0x250
[ 9.380689][ T174] vfs_write+0x6a4/0xc10
[ 9.380876][ T174] ksys_write+0x116/0x250
[ 9.381053][ T174] ? __ia32_sys_read+0xc0/0xc0
[ 9.381277][ T174] ? kernfs_fop_llseek+0x160/0x1f0
[ 9.381509][ T174] ? rcu_is_watching+0x15/0xd0
[ 9.381733][ T174] do_syscall_64+0x117/0xfc0
[ 9.381960][ T174] ? trace_hardirqs_off+0xd/0x30
[ 9.382176][ T174] ? exc_page_fault+0xee/0x100
[ 9.382418][ T174] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.382677][ T174] RIP: 0033:0x7f426f42608e
[ 9.382911][ 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
[ 9.383572][ T174] RSP: 002b:00007ffd62388d40 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 9.383885][ T174] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f426f42608e
[ 9.384182][ T174] RDX: 0000000000000006 RSI: 0000559da1724480 RDI: 0000000000000006
[ 9.384499][ T174] RBP: 00007ffd62388d50 R08: 0000000000000000 R09: 0000000000000000
[ 9.384799][ T174] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f426f29e390
[ 9.385108][ T174] R13: 0000559da1724480 R14: 0000000000000006 R15: 00007f426f22d0d0
[ 9.385435][ T174]
[ 9.385609][ T174] irq event stamp: 326575
[ 9.385783][ T174] hardirqs last enabled at (326585): [] __up_console_sem+0x5a/0x70
[ 9.386136][ T174] hardirqs last disabled at (326594): [] __up_console_sem+0x3f/0x70
[ 9.386496][ T174] softirqs last enabled at (325840): [] handle_softirqs+0x611/0x940
[ 9.386842][ T174] softirqs last disabled at (325797): [] __irq_exit_rcu+0x103/0x1c0
[ 9.387181][ T174] ---[ end trace 0000000000000000 ]---