[ 11.434425] ------------[ cut here ]------------ [ 11.434514] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: python3/919 [ 11.434603] Modules linked in: netconsole netdevsim [ 11.434675] CPU: 2 UID: 0 PID: 919 Comm: python3 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 11.434768] Tainted: [W]=WARN [ 11.434827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.434901] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 11.434972] 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 [ 11.435108] RSP: 0018:ff56fe98c0a7b9d0 EFLAGS: 00010286 [ 11.435174] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 11.435251] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f76018f3c00 [ 11.435327] RBP: 0000000000000000 R08: ff355f760495ac10 R09: ff355f7602acd030 [ 11.435404] R10: ff355f76030a8118 R11: fefefefefefefeff R12: 0000000000000000 [ 11.435482] R13: 0000000000000010 R14: ff355f76030a8000 R15: ff355f76018f3c00 [ 11.435560] FS: 00007f5470af1400(0000) GS:ff355f76b4955000(0000) knlGS:0000000000000000 [ 11.435639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 11.435705] CR2: 00007f54701c7050 CR3: 0000000009601001 CR4: 0000000000771ef0 [ 11.435787] PKRU: 55555554 [ 11.435836] Call Trace: [ 11.435888] [ 11.435946] rtmsg_ifinfo+0x3c/0xa0 [ 11.436007] register_netdevice+0x8e1/0xa70 [ 11.436066] nsim_create+0x319/0x410 [netdevsim] [ 11.436139] __nsim_dev_port_add+0x1cc/0x420 [netdevsim] [ 11.436204] nsim_drv_probe+0x655/0x750 [netdevsim] [ 11.436275] really_probe+0xc9/0x290 [ 11.436335] ? driver_probe_device+0xe0/0xe0 [ 11.436401] __driver_probe_device+0x8d/0x160 [ 11.436466] driver_probe_device+0x1f/0xe0 [ 11.436527] __device_attach_driver+0x71/0x100 [ 11.436591] bus_for_each_drv+0x9d/0x100 [ 11.436652] __device_attach+0xb0/0x1b0 [ 11.436712] device_initial_probe+0x4a/0x70 [ 11.436772] bus_probe_device+0x3c/0xb0 [ 11.436832] device_add+0x675/0x8a0 [ 11.436892] new_device_store+0x19b/0x2b0 [netdevsim] [ 11.436967] kernfs_fop_write_iter+0x151/0x200 [ 11.437035] vfs_write+0x257/0x5c0 [ 11.437099] ksys_write+0x7b/0x110 [ 11.437160] do_syscall_64+0x104/0xfc0 [ 11.437222] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.437293] RIP: 0033:0x7f5470c7908e [ 11.437352] 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 [ 11.437477] RSP: 002b:00007fff4d7db3f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 11.437554] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f5470c7908e [ 11.437634] RDX: 0000000000000009 RSI: 000055783e508670 RDI: 0000000000000006 [ 11.437716] RBP: 00007fff4d7db400 R08: 0000000000000000 R09: 0000000000000000 [ 11.437796] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5470af1390 [ 11.437873] R13: 000055783e508670 R14: 0000000000000006 R15: 00007f5470a7d0d0 [ 11.437960] [ 11.438007] ---[ end trace 0000000000000000 ]---