[ 411.427384] ------------[ cut here ]------------ [ 411.427464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: unshare/558 [ 411.427553] Modules linked in: [ 411.427609] CPU: 2 UID: 0 PID: 558 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 411.427701] Tainted: [W]=WARN [ 411.427756] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 411.427833] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 411.427897] Code: 80 00 00 00 e8 59 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 b2 fb ff b9 a6 ff ff [ 411.428038] RSP: 0018:ff71d8c6808afcc8 EFLAGS: 00010286 [ 411.428103] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 411.428180] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3cc9a4c2b77800 [ 411.428258] RBP: 0000000000000000 R08: ff3cc9a4c191a350 R09: ff3cc9a4c4cf602c [ 411.428337] R10: ff3cc9a4c4c11118 R11: fefefefefefefeff R12: 0000000000000000 [ 411.428413] R13: 0000000000000010 R14: ff3cc9a4c4c11000 R15: ff3cc9a4c2b77800 [ 411.428495] FS: 00007f0f6dda4740(0000) GS:ff3cc9a545f96000(0000) knlGS:0000000000000000 [ 411.428574] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 411.428646] CR2: 000055ff53bdf008 CR3: 00000000012a4006 CR4: 0000000000771ef0 [ 411.428724] PKRU: 55555554 [ 411.428772] Call Trace: [ 411.428821] [ 411.428877] rtmsg_ifinfo+0x3c/0xa0 [ 411.428933] register_netdevice+0x889/0x9f0 [ 411.428996] register_netdev+0x1e/0x30 [ 411.429053] loopback_net_init+0x57/0xb0 [ 411.429112] ? vsock_sysctl_init_net+0xb6/0x140 [ 411.429178] ops_init+0x68/0x140 [ 411.429236] setup_net+0x85/0x150 [ 411.429294] copy_net_ns+0xf5/0x200 [ 411.429352] create_new_namespaces+0x117/0x2f0 [ 411.429418] unshare_nsproxy_namespaces+0x85/0xb0 [ 411.429483] ksys_unshare+0x346/0x5e0 [ 411.429542] __x64_sys_unshare+0x12/0x20 [ 411.429599] do_syscall_64+0x104/0xfc0 [ 411.429656] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 411.429720] RIP: 0033:0x7f0f6de9fbcb [ 411.429777] 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 [ 411.429911] RSP: 002b:00007ffdbcc272a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 411.429995] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0f6de9fbcb [ 411.430076] RDX: 0000000000000000 RSI: 00007ffdbcc27010 RDI: 0000000040000000 [ 411.430152] RBP: 00007ffdbcc27630 R08: 00007ffdbcc27200 R09: 0000000000000000 [ 411.430228] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000 [ 411.430306] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055ff1e2e0b68 [ 411.430383] [ 411.430431] ---[ end trace 0000000000000000 ]--- [ 411.431139] ------------[ cut here ]------------ [ 411.431204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/558 [ 411.431290] Modules linked in: [ 411.431348] CPU: 2 UID: 0 PID: 558 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 411.431440] Tainted: [W]=WARN [ 411.431495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 411.431564] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 411.431628] Code: 80 00 00 00 e8 59 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 b2 fb ff b9 a6 ff ff [ 411.431761] RSP: 0018:ff71d8c6808afd68 EFLAGS: 00010286 [ 411.431831] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 411.431908] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3cc9a4c2b77800 [ 411.431990] RBP: 0000000000000000 R08: ff3cc9a4c1986e10 R09: ff3cc9a4c4cf5030 [ 411.432068] R10: ff3cc9a4c3290118 R11: fefefefefefefeff R12: 0000000000000000 [ 411.432143] R13: 0000000000000010 R14: ff3cc9a4c3290000 R15: ff3cc9a4c2b77800 [ 411.432222] FS: 000000001ed31400(0000) GS:ff3cc9a545f96000(0000) knlGS:0000000000000000 [ 411.432301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 411.432371] CR2: 00007f1a3dac2000 CR3: 0000000004e7a001 CR4: 0000000000771ef0 [ 411.432451] PKRU: 55555554 [ 411.432499] Call Trace: [ 411.432548] [ 411.432596] rtmsg_ifinfo+0x3c/0xa0 [ 411.432653] register_netdevice+0x889/0x9f0 [ 411.432710] __tun_chr_ioctl+0x83c/0x16c0 [ 411.432768] ? do_sys_openat2+0x9a/0xe0 [ 411.432831] __x64_sys_ioctl+0xa1/0xe0 [ 411.432890] do_syscall_64+0x104/0xfc0 [ 411.432955] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 411.433019] RIP: 0033:0x47cc8d [ 411.433076] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00 [ 411.433207] RSP: 002b:00007ffd7f5168d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 411.433284] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d [ 411.433360] RDX: 00007ffd7f516950 RSI: 00000000400454ca RDI: 0000000000000005 [ 411.433437] RBP: 00007ffd7f516920 R08: 0000000000000000 R09: 0000000000000000 [ 411.433512] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd7f516e28 [ 411.433589] R13: 00007ffd7f516ea8 R14: 0000000000000002 R15: 0000000000543540 [ 411.433665] [ 411.433713] ---[ end trace 0000000000000000 ]--- [ 411.433796] ------------[ cut here ]------------ [ 411.433864] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/558 [ 411.433960] Modules linked in: [ 411.434015] CPU: 2 UID: 0 PID: 558 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 411.434109] Tainted: [W]=WARN [ 411.434164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 411.434235] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 411.434299] Code: 80 00 00 00 e8 59 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 b2 fb ff b9 a6 ff ff [ 411.434429] RSP: 0018:ff71d8c6808afd60 EFLAGS: 00010286 [ 411.434493] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000 [ 411.434568] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3cc9a4c2b77800 [ 411.434643] RBP: 0000000000000002 R08: ff3cc9a4c1986e10 R09: ff3cc9a4c4cf5030 [ 411.434721] R10: ff3cc9a4c3290118 R11: fefefefefefefeff R12: 0000000000000000 [ 411.434797] R13: 0000000000000010 R14: ff3cc9a4c3290000 R15: ff3cc9a4c2b77800 [ 411.434882] FS: 000000001ed31400(0000) GS:ff3cc9a545f96000(0000) knlGS:0000000000000000 [ 411.434967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 411.435037] CR2: 00007f1a3dac2000 CR3: 0000000004e7a001 CR4: 0000000000771ef0 [ 411.435116] PKRU: 55555554 [ 411.435164] Call Trace: [ 411.435212] [ 411.435260] rtnetlink_event+0x6e/0xb0 [ 411.435317] notifier_call_chain+0x6d/0x100 [ 411.435375] netdev_update_features+0x56/0x60 [ 411.435440] __tun_chr_ioctl+0xbf1/0x16c0 [ 411.435497] ? file_init_path+0x62/0x120 [ 411.435555] __x64_sys_ioctl+0xa1/0xe0 [ 411.435612] do_syscall_64+0x104/0xfc0 [ 411.435669] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 411.435732] RIP: 0033:0x47cc8d [ 411.435788] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00 [ 411.435926] RSP: 002b:00007ffd7f516910 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 411.436009] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d [ 411.436090] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005 [ 411.436167] RBP: 00007ffd7f516960 R08: 0000000000000000 R09: 0000000000000000 [ 411.436243] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd7f516e28 [ 411.436320] R13: 00007ffd7f516ea8 R14: 0000000000000002 R15: 0000000000543540 [ 411.436397] [ 411.436445] ---[ end trace 0000000000000000 ]--- [ 411.436527] ------------[ cut here ]------------ [ 411.436588] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/558 [ 411.436674] Modules linked in: [ 411.436731] CPU: 2 UID: 0 PID: 558 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 411.436831] Tainted: [W]=WARN [ 411.436887] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 411.436962] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 411.437025] Code: 80 00 00 00 e8 59 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 b2 fb ff b9 a6 ff ff [ 411.437160] RSP: 0018:ff71d8c6808afc10 EFLAGS: 00010286 [ 411.437223] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000 [ 411.437300] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3cc9a4c2b77800 [ 411.437376] RBP: 0000000000000000 R08: ff3cc9a4c1986e10 R09: ff3cc9a4c4c46030 [ 411.437452] R10: ff3cc9a4c3290118 R11: fefefefefefefeff R12: 0000000000000000 [ 411.437528] R13: 0000000000000010 R14: ff3cc9a4c3290000 R15: ff3cc9a4c2b77800 [ 411.437607] FS: 000000001ed31400(0000) GS:ff3cc9a545f96000(0000) knlGS:0000000000000000 [ 411.437685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 411.437754] CR2: 00007f1a3dac2000 CR3: 0000000004e7a001 CR4: 0000000000771ef0 [ 411.437837] PKRU: 55555554 [ 411.437886] Call Trace: [ 411.437933] [ 411.437985] rtmsg_ifinfo+0x3c/0xa0 [ 411.438042] __dev_notify_flags+0xb1/0xf0 [ 411.438100] netif_change_flags+0x54/0x70 [ 411.438158] dev_change_flags+0x45/0x80 [ 411.438214] devinet_ioctl+0x607/0x7f0 [ 411.438274] inet_ioctl+0x229/0x240 [ 411.438331] ? __rtnl_unlock+0x35/0x60 [ 411.438388] sock_do_ioctl+0x75/0x140 [ 411.438447] __x64_sys_ioctl+0xa1/0xe0 [ 411.438504] do_syscall_64+0x104/0xfc0 [ 411.438561] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 411.438625] RIP: 0033:0x47cc8d [ 411.438681] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00 [ 411.438812] RSP: 002b:00007ffd7f5168f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 411.438896] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d [ 411.438980] RDX: 00007ffd7f516960 RSI: 0000000000008914 RDI: 0000000000000006 [ 411.439056] RBP: 00007ffd7f516940 R08: 0000000000000000 R09: 0000000000000000 [ 411.439132] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd7f516e28 [ 411.439208] R13: 00007ffd7f516ea8 R14: 0000000000000002 R15: 0000000000543540 [ 411.439285] [ 411.439333] ---[ end trace 0000000000000000 ]--- [ 456.412705] ------------[ cut here ]------------ [ 456.412839] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/558 [ 456.412938] Modules linked in: [ 456.413044] CPU: 2 UID: 0 PID: 558 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 456.413145] Tainted: [W]=WARN [ 456.413203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 456.413274] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 456.413338] Code: 80 00 00 00 e8 59 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 b2 fb ff b9 a6 ff ff [ 456.413469] RSP: 0018:ff71d8c6808afb58 EFLAGS: 00010286 [ 456.413532] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000 [ 456.413607] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3cc9a4c2b77c00 [ 456.413683] RBP: 0000000000000000 R08: ff3cc9a4c1986e10 R09: ff3cc9a4c4c46030 [ 456.413760] R10: ff3cc9a4c3290118 R11: fefefefefefefeff R12: 0000000000000000 [ 456.413836] R13: 0000000000000010 R14: ff3cc9a4c3290000 R15: ff3cc9a4c2b77c00 [ 456.413918] FS: 0000000000000000(0000) GS:ff3cc9a545f96000(0000) knlGS:0000000000000000 [ 456.414016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 456.414092] CR2: 00007f1a3dac2000 CR3: 0000000013a42002 CR4: 0000000000771ef0 [ 456.414171] PKRU: 55555554 [ 456.414219] Call Trace: [ 456.414269] [ 456.414318] rtmsg_ifinfo+0x3c/0xa0 [ 456.414376] netif_close_many+0xed/0x190 [ 456.414435] unregister_netdevice_many_notify+0x267/0x9d0 [ 456.414500] ? __queue_work+0x141/0x550 [ 456.414560] unregister_netdevice_queue+0x9e/0xd0 [ 456.414623] __tun_detach+0x591/0x5b0 [ 456.414684] tun_chr_close+0x3f/0xc0 [ 456.414741] __fput+0xe8/0x2c0 [ 456.414806] task_work_run+0x63/0xa0 [ 456.414864] do_exit+0x2c1/0xba0 [ 456.414922] ? __x64_sys_close+0x47/0xa0 [ 456.414990] do_group_exit+0x2d/0xc0 [ 456.415048] get_signal+0x82e/0x900 [ 456.415107] ? fsnotify_grab_connector+0x4a/0x90 [ 456.415173] arch_do_signal_or_restart+0x77/0x2b0 [ 456.415240] ? __call_rcu_common.constprop.0+0x9a/0x340 [ 456.415307] ? __fput+0x17f/0x2c0 [ 456.415365] exit_to_user_mode_loop+0x75/0x4a0 [ 456.415432] do_syscall_64+0x439/0xfc0 [ 456.415511] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 456.415578] RIP: 0033:0x47fb83 [ 456.415636] Code: Unable to access opcode bytes at 0x47fb59. [ 456.415706] RSP: 002b:00007ffd7f5163c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 456.415784] RAX: 0000000000000000 RBX: 00000000fffffff5 RCX: 000000000047fb83 [ 456.415890] RDX: 000000000000000e RSI: f6e32406b9338065 RDI: 0000000000000007 [ 456.416246] RBP: 00007ffd7f5168c0 R08: 0000000000000041 R09: 000000001ed323e0 [ 456.416370] R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000 [ 456.416504] R13: fffffffffffffff0 R14: 0000000000000000 R15: 0000000000543540 [ 456.416623] [ 456.416695] ---[ end trace 0000000000000000 ]--- [ 456.417239] ------------[ cut here ]------------ [ 456.417305] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/558 [ 456.417391] Modules linked in: [ 456.417448] CPU: 2 UID: 0 PID: 558 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 456.417547] Tainted: [W]=WARN [ 456.417598] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 456.417667] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 456.417732] Code: 80 00 00 00 e8 59 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 b2 fb ff b9 a6 ff ff [ 456.417925] RSP: 0018:ff71d8c6808afbc8 EFLAGS: 00010286 [ 456.418277] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 456.418399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3cc9a4c2b77c00 [ 456.418516] RBP: 0000000000000000 R08: ff3cc9a4c1986e10 R09: ff3cc9a4c4e27830 [ 456.418622] R10: ff3cc9a4c3290118 R11: fefefefefefefeff R12: 0000000000000000 [ 456.418739] R13: 0000000000000011 R14: ff3cc9a4c3290000 R15: ff3cc9a4c2b77c00 [ 456.418860] FS: 0000000000000000(0000) GS:ff3cc9a545f96000(0000) knlGS:0000000000000000 [ 456.418999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 456.419074] CR2: 00007f1a3dac2000 CR3: 0000000013a42002 CR4: 0000000000771ef0 [ 456.419155] PKRU: 55555554 [ 456.419204] Call Trace: [ 456.419280] [ 456.419338] unregister_netdevice_many_notify+0x877/0x9d0 [ 456.419427] unregister_netdevice_queue+0x9e/0xd0 [ 456.419487] __tun_detach+0x591/0x5b0 [ 456.419547] tun_chr_close+0x3f/0xc0 [ 456.419605] __fput+0xe8/0x2c0 [ 456.419664] task_work_run+0x63/0xa0 [ 456.419723] do_exit+0x2c1/0xba0 [ 456.419781] ? __x64_sys_close+0x47/0xa0 [ 456.419839] do_group_exit+0x2d/0xc0 [ 456.419896] get_signal+0x82e/0x900 [ 456.419960] ? fsnotify_grab_connector+0x4a/0x90 [ 456.420033] arch_do_signal_or_restart+0x77/0x2b0 [ 456.420102] ? __call_rcu_common.constprop.0+0x9a/0x340 [ 456.420168] ? __fput+0x17f/0x2c0 [ 456.420225] exit_to_user_mode_loop+0x75/0x4a0 [ 456.420290] do_syscall_64+0x439/0xfc0 [ 456.420349] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 456.420413] RIP: 0033:0x47fb83 [ 456.420469] Code: Unable to access opcode bytes at 0x47fb59. [ 456.420538] RSP: 002b:00007ffd7f5163c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 456.420617] RAX: 0000000000000000 RBX: 00000000fffffff5 RCX: 000000000047fb83 [ 456.420694] RDX: 000000000000000e RSI: f6e32406b9338065 RDI: 0000000000000007 [ 456.420771] RBP: 00007ffd7f5168c0 R08: 0000000000000041 R09: 000000001ed323e0 [ 456.420848] R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000 [ 456.420925] R13: fffffffffffffff0 R14: 0000000000000000 R15: 0000000000543540 [ 456.421016] [ 456.421064] ---[ end trace 0000000000000000 ]--- [ 456.431026] ------------[ cut here ]------------ [ 456.431067] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/65 [ 456.431131] Modules linked in: [ 456.431156] CPU: 0 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 456.431217] Tainted: [W]=WARN [ 456.431235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 456.431264] Workqueue: netns cleanup_net [ 456.431290] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 456.431314] Code: 80 00 00 00 e8 59 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 b2 fb ff b9 a6 ff ff [ 456.431406] RSP: 0018:ff71d8c68023fc78 EFLAGS: 00010286 [ 456.431439] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 456.431482] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3cc9a4c2b77d00 [ 456.431526] RBP: 0000000000000000 R08: ff3cc9a4c191a350 R09: ff3cc9a4c4e2402c [ 456.431569] R10: ff3cc9a4c4c11118 R11: fefefefefefefeff R12: 0000000000000000 [ 456.431614] R13: 0000000000000011 R14: ff3cc9a4c4c11000 R15: ff3cc9a4c2b77d00 [ 456.431655] FS: 0000000000000000(0000) GS:ff3cc9a545e96000(0000) knlGS:0000000000000000 [ 456.431700] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 456.431737] CR2: 00007f5681d13f98 CR3: 0000000013a42003 CR4: 0000000000771ef0 [ 456.431781] PKRU: 55555554 [ 456.431794] Call Trace: [ 456.431808] [ 456.431823] unregister_netdevice_many_notify+0x877/0x9d0 [ 456.431852] default_device_exit_batch+0x318/0x390 [ 456.431876] ops_undo_list+0x10b/0x240 [ 456.431900] cleanup_net+0x1d7/0x2e0 [ 456.431922] process_one_work+0x162/0x360 [ 456.431946] worker_thread+0x16e/0x2d0 [ 456.431975] ? rescuer_thread+0x510/0x510 [ 456.431999] kthread+0xe1/0x120 [ 456.432022] ? kthread_park+0xa0/0xa0 [ 456.432044] ret_from_fork+0x16d/0x250 [ 456.432069] ? kthread_park+0xa0/0xa0 [ 456.432091] ret_from_fork_asm+0x11/0x20 [ 456.432113] [ 456.432127] ---[ end trace 0000000000000000 ]---