[ 10.080492] ------------[ cut here ]------------ [ 10.080550] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: python3/806 [ 10.080607] Modules linked in: netconsole netdevsim [ 10.080640] CPU: 0 UID: 0 PID: 806 Comm: python3 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 10.080701] Tainted: [W]=WARN [ 10.080726] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.080763] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 10.080792] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 a5 fb ff b9 a6 ff ff [ 10.080883] RSP: 0018:ff56fe98c09c39d0 EFLAGS: 00010286 [ 10.080913] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 10.080961] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f7601890000 [ 10.081006] RBP: 0000000000000000 R08: ff355f76032ef950 R09: ff355f76060b9030 [ 10.081048] R10: ff355f76030aa118 R11: fefefefefefefeff R12: 0000000000000000 [ 10.081091] R13: 0000000000000010 R14: ff355f76030aa000 R15: ff355f7601890000 [ 10.081140] FS: 00007f4c427a0400(0000) GS:ff355f76b4855000(0000) knlGS:0000000000000000 [ 10.081185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.081221] CR2: 00007f4c41f5d030 CR3: 0000000004a9b006 CR4: 0000000000771ef0 [ 10.081265] PKRU: 55555554 [ 10.081281] Call Trace: [ 10.081298] [ 10.081313] rtmsg_ifinfo+0x3c/0xa0 [ 10.081336] register_netdevice+0x8e1/0xa70 [ 10.081363] nsim_create+0x319/0x410 [netdevsim] [ 10.081395] __nsim_dev_port_add+0x1cc/0x420 [netdevsim] [ 10.081424] nsim_drv_probe+0x655/0x750 [netdevsim] [ 10.081458] really_probe+0xc9/0x290 [ 10.081483] ? driver_probe_device+0xe0/0xe0 [ 10.081510] __driver_probe_device+0x8d/0x160 [ 10.081539] driver_probe_device+0x1f/0xe0 [ 10.081562] __device_attach_driver+0x71/0x100 [ 10.081591] bus_for_each_drv+0x9d/0x100 [ 10.081613] __device_attach+0xb0/0x1b0 [ 10.081638] device_initial_probe+0x4a/0x70 [ 10.081660] bus_probe_device+0x3c/0xb0 [ 10.081682] device_add+0x675/0x8a0 [ 10.081702] new_device_store+0x19b/0x2b0 [netdevsim] [ 10.081729] kernfs_fop_write_iter+0x151/0x200 [ 10.081760] vfs_write+0x257/0x5c0 [ 10.081785] ksys_write+0x7b/0x110 [ 10.081811] do_syscall_64+0x104/0xfc0 [ 10.081835] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.081865] RIP: 0033:0x7f4c4292808e [ 10.081887] 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 [ 10.081985] RSP: 002b:00007ffdfb7d0400 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 10.082027] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f4c4292808e [ 10.082069] RDX: 0000000000000009 RSI: 0000559899a59050 RDI: 0000000000000006 [ 10.082115] RBP: 00007ffdfb7d0410 R08: 0000000000000000 R09: 0000000000000000 [ 10.082160] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4c427a0390 [ 10.082202] R13: 0000559899a59050 R14: 0000000000000006 R15: 00007f4c4272d0d0 [ 10.082245] [ 10.082257] ---[ end trace 0000000000000000 ]---