[ 9.806639][ T176] ------------[ cut here ]------------
[ 9.806889][ T176] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: python3/176
[ 9.807276][ T176] Modules linked in: netdevsim
[ 9.807485][ T176] CPU: 3 UID: 0 PID: 176 Comm: python3 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.807836][ T176] Tainted: [W]=WARN
[ 9.807964][ T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.808184][ T176] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.808438][ 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
[ 9.809039][ T176] RSP: 0018:ffa00000008b7500 EFLAGS: 00010286
[ 9.809253][ T176] RAX: 00000000ffffffa6 RBX: ff1100000c62d3c0 RCX: 1ff4000000116e66
[ 9.809505][ T176] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c62d470
[ 9.809760][ T176] RBP: ff110000058ba000 R08: 1fe22000018c5a8f R09: ff1100000d0b5248
[ 9.810008][ T176] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.810374][ T176] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058ba000
[ 9.810676][ T176] FS: 00007f6ff8cac400(0000) GS:ff1100008f2f9000(0000) knlGS:0000000000000000
[ 9.810976][ T176] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.811198][ T176] CR2: 00007f6ff90ad0a1 CR3: 000000000c1b4005 CR4: 0000000000771ef0
[ 9.811451][ T176] PKRU: 55555554
[ 9.811578][ T176] Call Trace:
[ 9.811707][ T176]
[ 9.811795][ T176] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.811978][ T176] rtmsg_ifinfo+0x5c/0xb0
[ 9.812104][ T176] register_netdevice+0x1526/0x1bc0
[ 9.812280][ T176] ? unregister_netdevice_queue+0x470/0x470
[ 9.812483][ T176] ? __debugfs_create_file+0x2cf/0x3c0
[ 9.812653][ T176] nsim_init_netdevsim+0x80e/0xcb0 [netdevsim]
[ 9.812871][ T176] nsim_create+0x45b/0x5b0 [netdevsim]
[ 9.813039][ T176] __nsim_dev_port_add+0x30b/0x7a0 [netdevsim]
[ 9.813250][ T176] ? add_timer_on+0x580/0x580
[ 9.813417][ T176] ? nsim_dev_get_vfs+0x90/0x90 [netdevsim]
[ 9.813631][ T176] ? is_module_address+0x68/0x110
[ 9.813799][ T176] ? static_obj+0x5d/0x90
[ 9.813927][ T176] ? mark_held_locks+0x40/0x70
[ 9.814095][ T176] ? nsim_dev_hwstats_init+0x3a4/0x4d0 [netdevsim]
[ 9.814312][ T176] nsim_drv_probe+0x59e/0x8d0 [netdevsim]
[ 9.814483][ T176] call_driver_probe+0x61/0x1c0
[ 9.814651][ T176] really_probe+0x199/0x760
[ 9.814823][ T176] ? driver_probe_device+0x130/0x130
[ 9.814990][ T176] __driver_probe_device+0x1dc/0x430
[ 9.815163][ T176] driver_probe_device+0x4a/0x130
[ 9.815330][ T176] __device_attach_driver+0x16d/0x2a0
[ 9.815496][ T176] bus_for_each_drv+0x135/0x1e0
[ 9.815663][ T176] ? bus_find_device_reverse+0x1c0/0x1c0
[ 9.815837][ T176] __device_attach+0x1a6/0x410
[ 9.816001][ T176] ? __rwlock_init+0x150/0x150
[ 9.816173][ T176] ? __driver_attach_async_helper+0x2a0/0x2a0
[ 9.816379][ T176] ? do_raw_spin_unlock+0x59/0x250
[ 9.816546][ T176] ? _raw_spin_unlock+0x2d/0x50
[ 9.816717][ T176] device_initial_probe+0x8b/0xc0
[ 9.816884][ T176] bus_probe_device+0x63/0x160
[ 9.817049][ T176] device_add+0xb16/0x1130
[ 9.817224][ T176] ? __fw_devlink_link_to_consumers.isra.0+0x2d0/0x2d0
[ 9.817429][ T176] ? __init_waitqueue_head+0xcb/0x160
[ 9.817595][ T176] ? pm_runtime_init+0x323/0x3f0
[ 9.817767][ T176] new_device_store+0x3d4/0x730 [netdevsim]
[ 9.817973][ T176] ? __lock_release.isra.0+0x6b/0x1a0
[ 9.818141][ T176] ? new_port_store+0x1a0/0x1a0 [netdevsim]
[ 9.818392][ T176] ? sysfs_file_kobj+0xb3/0x1e0
[ 9.818560][ T176] ? sysfs_file_kobj+0xbd/0x1e0
[ 9.818732][ T176] ? sysfs_file_ops+0x140/0x140
[ 9.818896][ T176] kernfs_fop_write_iter+0x335/0x510
[ 9.819066][ T176] ? kernfs_ops+0xf0/0xf0
[ 9.819202][ T176] new_sync_write+0x333/0x750
[ 9.819376][ T176] ? __lock_acquire+0x508/0xc10
[ 9.819548][ T176] ? new_sync_read+0x740/0x740
[ 9.819722][ T176] ? lock_acquire.part.0+0xbc/0x260
[ 9.819886][ T176] ? ksys_write+0x116/0x250
[ 9.820054][ T176] vfs_write+0x6a4/0xc10
[ 9.820187][ T176] ksys_write+0x116/0x250
[ 9.820311][ T176] ? __ia32_sys_read+0xc0/0xc0
[ 9.820477][ T176] ? kernfs_fop_llseek+0x160/0x1f0
[ 9.820643][ T176] ? rcu_is_watching+0x15/0xd0
[ 9.820816][ T176] do_syscall_64+0x117/0xfc0
[ 9.820981][ T176] ? trace_hardirqs_off+0xd/0x30
[ 9.821154][ T176] ? exc_page_fault+0xee/0x100
[ 9.821319][ T176] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.821524][ T176] RIP: 0033:0x7f6ff8e3408e
[ 9.821694][ T176] 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
[ 9.822288][ T176] RSP: 002b:00007ffd45eba280 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 9.822537][ T176] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f6ff8e3408e
[ 9.822787][ T176] RDX: 0000000000000008 RSI: 00005643a0af7480 RDI: 0000000000000006
[ 9.823033][ T176] RBP: 00007ffd45eba290 R08: 0000000000000000 R09: 0000000000000000
[ 9.823285][ T176] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6ff8cac390
[ 9.823529][ T176] R13: 00005643a0af7480 R14: 0000000000000006 R15: 00007f6ff8c390d0
[ 9.823787][ T176]
[ 9.823912][ T176] irq event stamp: 339975
[ 9.824037][ T176] hardirqs last enabled at (339983): [] __up_console_sem+0x5a/0x70
[ 9.824330][ T176] hardirqs last disabled at (339992): [] __up_console_sem+0x3f/0x70
[ 9.824615][ T176] softirqs last enabled at (339372): [] handle_softirqs+0x611/0x940
[ 9.824907][ T176] softirqs last disabled at (339307): [] __irq_exit_rcu+0x103/0x1c0
[ 9.825201][ T176] ---[ end trace 0000000000000000 ]---