[ 15.634491] ------------[ cut here ]------------ [ 15.634538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/1266 [ 15.634600] Modules linked in: netconsole netdevsim [ 15.634634] CPU: 0 UID: 0 PID: 1266 Comm: ip Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 15.634679] Tainted: [W]=WARN [ 15.634699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.634732] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 15.634761] 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 [ 15.634856] RSP: 0018:ff56fe98c0f03cc8 EFLAGS: 00010286 [ 15.634885] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 15.634932] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f76018e4500 [ 15.634971] RBP: 0000000000000000 R08: ff355f76032ef710 R09: ff355f760619e02c [ 15.635013] R10: ff355f7606198118 R11: fefefefefefefeff R12: 0000000000000000 [ 15.635060] R13: 0000000000000010 R14: ff355f7606198000 R15: ff355f76018e4500 [ 15.635105] FS: 00007effa3083840(0000) GS:ff355f76b4855000(0000) knlGS:0000000000000000 [ 15.635146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.635179] CR2: 00007effa328a430 CR3: 0000000006327002 CR4: 0000000000771ef0 [ 15.635220] PKRU: 55555554 [ 15.635234] Call Trace: [ 15.635248] [ 15.635263] rtmsg_ifinfo+0x3c/0xa0 [ 15.635288] register_netdevice+0x8e1/0xa70 [ 15.635310] register_netdev+0x1e/0x30 [ 15.635331] loopback_net_init+0x57/0xb0 [ 15.635353] ? vsock_sysctl_init_net+0xb6/0x140 [ 15.635385] ops_init+0x68/0x140 [ 15.635407] setup_net+0x85/0x150 [ 15.635430] copy_net_ns+0xf5/0x200 [ 15.635453] create_new_namespaces+0x117/0x2f0 [ 15.635482] unshare_nsproxy_namespaces+0x85/0xb0 [ 15.635511] ksys_unshare+0x346/0x5e0 [ 15.635532] __x64_sys_unshare+0x12/0x20 [ 15.635552] do_syscall_64+0x104/0xfc0 [ 15.635575] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.635599] RIP: 0033:0x7effa3345bcb [ 15.635625] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48 [ 15.635729] RSP: 002b:00007fff386760c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 15.635771] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007effa3345bcb [ 15.635815] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000 [ 15.635860] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 15.635899] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff386782f0 [ 15.635942] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff386798a1 [ 15.635984] [ 15.635998] ---[ end trace 0000000000000000 ]--- [ 15.636484] ------------[ cut here ]------------ [ 15.636518] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: python3/1265 [ 15.636572] Modules linked in: netconsole netdevsim [ 15.636604] CPU: 3 UID: 0 PID: 1265 Comm: python3 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 15.636659] Tainted: [W]=WARN [ 15.636680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.636714] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 15.636747] 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 [ 15.636843] RSP: 0018:ff56fe98c0f2b9d0 EFLAGS: 00010286 [ 15.636871] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 15.636918] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f7601906f00 [ 15.636968] RBP: 0000000000000000 R08: ff355f760489fc10 R09: ff355f760c06d030 [ 15.637007] R10: ff355f76061aa118 R11: fefefefefefefeff R12: 0000000000000000 [ 15.637050] R13: 0000000000000010 R14: ff355f76061aa000 R15: ff355f7601906f00 [ 15.637088] FS: 00007fcb27ade400(0000) GS:ff355f76b49d5000(0000) knlGS:0000000000000000 [ 15.637130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.637161] CR2: 000055deed489948 CR3: 0000000004bc2002 CR4: 0000000000771ef0 [ 15.637211] PKRU: 55555554 [ 15.637225] Call Trace: [ 15.637240] [ 15.637255] rtmsg_ifinfo+0x3c/0xa0 [ 15.637280] register_netdevice+0x8e1/0xa70 [ 15.637303] nsim_create+0x319/0x410 [netdevsim] [ 15.637334] __nsim_dev_port_add+0x1cc/0x420 [netdevsim] [ 15.637364] nsim_drv_probe+0x655/0x750 [netdevsim] [ 15.637394] really_probe+0xc9/0x290 [ 15.637418] ? driver_probe_device+0xe0/0xe0 [ 15.637447] __driver_probe_device+0x8d/0x160 [ 15.637477] driver_probe_device+0x1f/0xe0 [ 15.637497] __device_attach_driver+0x71/0x100 [ 15.637526] bus_for_each_drv+0x9d/0x100 [ 15.637550] __device_attach+0xb0/0x1b0 [ 15.637572] device_initial_probe+0x4a/0x70 [ 15.637597] bus_probe_device+0x3c/0xb0 [ 15.637620] device_add+0x675/0x8a0 [ 15.637641] new_device_store+0x19b/0x2b0 [netdevsim] [ 15.637668] kernfs_fop_write_iter+0x151/0x200 [ 15.637700] vfs_write+0x257/0x5c0 [ 15.637724] ksys_write+0x7b/0x110 [ 15.637745] do_syscall_64+0x104/0xfc0 [ 15.637766] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.637795] RIP: 0033:0x7fcb27c6608e [ 15.637817] 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 [ 15.637909] RSP: 002b:00007fffec898680 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 15.637953] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fcb27c6608e [ 15.637991] RDX: 0000000000000009 RSI: 000055deed4410e0 RDI: 0000000000000006 [ 15.638033] RBP: 00007fffec898690 R08: 0000000000000000 R09: 0000000000000000 [ 15.638074] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcb27ade390 [ 15.638116] R13: 000055deed4410e0 R14: 0000000000000006 R15: 00007fcb27a6d0d0 [ 15.638156] [ 15.638169] ---[ end trace 0000000000000000 ]--- [ 15.685160] ------------[ cut here ]------------ [ 15.685235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: kworker/u16:1/65 [ 15.685330] Modules linked in: netconsole netdevsim [ 15.685400] CPU: 2 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 15.685506] Tainted: [W]=WARN [ 15.685571] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.685653] Workqueue: netns cleanup_net [ 15.685717] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 15.685787] 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 [ 15.685961] RSP: 0018:ff56fe98c023fc78 EFLAGS: 00010286 [ 15.686033] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 15.686111] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f76032cd600 [ 15.686201] RBP: 0000000000000000 R08: ff355f76032ef710 R09: ff355f7604b2f82c [ 15.686296] R10: ff355f7606198118 R11: fefefefefefefeff R12: 0000000000000000 [ 15.686376] R13: 0000000000000011 R14: ff355f7606198000 R15: ff355f76032cd600 [ 15.686452] FS: 0000000000000000(0000) GS:ff355f76b4955000(0000) knlGS:0000000000000000 [ 15.686528] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.686605] CR2: 00007fa1e4643574 CR3: 0000000024642001 CR4: 0000000000771ef0 [ 15.686693] PKRU: 55555554 [ 15.686747] Call Trace: [ 15.686804] [ 15.686863] unregister_netdevice_many_notify+0x595/0xa40 [ 15.686943] default_device_exit_batch+0x328/0x3a0 [ 15.687020] ops_undo_list+0x10b/0x240 [ 15.687099] cleanup_net+0x1d7/0x2e0 [ 15.687155] process_one_work+0x162/0x360 [ 15.687210] worker_thread+0x16e/0x2d0 [ 15.687290] ? rescuer_thread+0x510/0x510 [ 15.687359] kthread+0xe1/0x120 [ 15.687432] ? kthread_park+0xa0/0xa0 [ 15.687500] ret_from_fork+0x16d/0x250 [ 15.687572] ? kthread_park+0xa0/0xa0 [ 15.687639] ret_from_fork_asm+0x11/0x20 [ 15.687700] [ 15.687746] ---[ end trace 0000000000000000 ]---