[ 320.443686] ------------[ cut here ]------------ [ 320.443767] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: unshare/468 [ 320.443854] Modules linked in: [ 320.443910] CPU: 2 UID: 0 PID: 468 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 320.444011] Tainted: [W]=WARN [ 320.444071] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 320.444139] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 320.444202] 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 [ 320.444349] RSP: 0018:ff60724180777cc8 EFLAGS: 00010286 [ 320.444413] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 320.444489] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a2600310fc00 [ 320.444565] RBP: 0000000000000000 R08: ff29a26001f00bd0 R09: ff29a26002fdd02c [ 320.444640] R10: ff29a260032db118 R11: fefefefefefefeff R12: 0000000000000000 [ 320.444716] R13: 0000000000000010 R14: ff29a260032db000 R15: ff29a2600310fc00 [ 320.444796] FS: 00007f06eebf6740(0000) GS:ff29a26083996000(0000) knlGS:0000000000000000 [ 320.444874] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 320.444944] CR2: 000055eed94b0008 CR3: 00000000030b3006 CR4: 0000000000771ef0 [ 320.445028] PKRU: 55555554 [ 320.445074] Call Trace: [ 320.445122] [ 320.445170] rtmsg_ifinfo+0x3c/0xa0 [ 320.445227] register_netdevice+0x889/0x9f0 [ 320.445290] register_netdev+0x1e/0x30 [ 320.445348] loopback_net_init+0x57/0xb0 [ 320.445407] ? vsock_sysctl_init_net+0xb6/0x140 [ 320.445471] ops_init+0x68/0x140 [ 320.445529] setup_net+0x85/0x150 [ 320.445586] copy_net_ns+0xf5/0x200 [ 320.445643] create_new_namespaces+0x117/0x2f0 [ 320.445708] unshare_nsproxy_namespaces+0x85/0xb0 [ 320.445772] ksys_unshare+0x346/0x5e0 [ 320.445830] __x64_sys_unshare+0x12/0x20 [ 320.445887] do_syscall_64+0x104/0xfc0 [ 320.445944] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 320.446012] RIP: 0033:0x7f06eecf1bcb [ 320.446069] 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 [ 320.446198] RSP: 002b:00007ffcabd28c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 320.446283] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f06eecf1bcb [ 320.446361] RDX: 0000000000000000 RSI: 00007ffcabd289a0 RDI: 0000000040000000 [ 320.446438] RBP: 00007ffcabd28fc0 R08: 00007ffcabd28b90 R09: 0000000000000000 [ 320.446517] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000 [ 320.446591] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055eecc51eb68 [ 320.446669] [ 320.446716] ---[ end trace 0000000000000000 ]--- [ 320.447422] ------------[ cut here ]------------ [ 320.447485] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/468 [ 320.447572] Modules linked in: [ 320.447627] CPU: 2 UID: 0 PID: 468 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 320.447718] Tainted: [W]=WARN [ 320.447772] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 320.447841] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 320.447904] 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 [ 320.448052] RSP: 0018:ff60724180777d68 EFLAGS: 00010286 [ 320.448115] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 320.448190] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a2600310fc00 [ 320.448267] RBP: 0000000000000000 R08: ff29a26002fa8090 R09: ff29a26006be9030 [ 320.448395] R10: ff29a26004cc0118 R11: fefefefefefefeff R12: 0000000000000000 [ 320.448471] R13: 0000000000000010 R14: ff29a26004cc0000 R15: ff29a2600310fc00 [ 320.448552] FS: 000000002b276400(0000) GS:ff29a26083996000(0000) knlGS:0000000000000000 [ 320.448629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 320.448697] CR2: 00007fb7412ae000 CR3: 0000000002fb1001 CR4: 0000000000771ef0 [ 320.448775] PKRU: 55555554 [ 320.448822] Call Trace: [ 320.448870] [ 320.448917] rtmsg_ifinfo+0x3c/0xa0 [ 320.448981] register_netdevice+0x889/0x9f0 [ 320.449036] __tun_chr_ioctl+0x83c/0x16c0 [ 320.449093] ? do_sys_openat2+0x9a/0xe0 [ 320.449150] __x64_sys_ioctl+0xa1/0xe0 [ 320.449208] do_syscall_64+0x104/0xfc0 [ 320.449265] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 320.449336] RIP: 0033:0x47cc8d [ 320.449393] 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 [ 320.449526] RSP: 002b:00007fffe94537f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 320.449601] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d [ 320.449677] RDX: 00007fffe9453870 RSI: 00000000400454ca RDI: 0000000000000005 [ 320.449753] RBP: 00007fffe9453840 R08: 0000000000000000 R09: 0000000000000000 [ 320.449829] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffe9453d48 [ 320.449906] R13: 00007fffe9453dc8 R14: 0000000000000002 R15: 0000000000543540 [ 320.449989] [ 320.450037] ---[ end trace 0000000000000000 ]--- [ 320.450116] ------------[ cut here ]------------ [ 320.450177] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/468 [ 320.450263] Modules linked in: [ 320.450324] CPU: 2 UID: 0 PID: 468 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 320.450415] Tainted: [W]=WARN [ 320.450469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 320.450538] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 320.450601] 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 [ 320.450733] RSP: 0018:ff60724180777d60 EFLAGS: 00010286 [ 320.450795] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000 [ 320.450870] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a2600310fc00 [ 320.450945] RBP: 0000000000000002 R08: ff29a26002fa8090 R09: ff29a26006be9030 [ 320.451026] R10: ff29a26004cc0118 R11: fefefefefefefeff R12: 0000000000000000 [ 320.451106] R13: 0000000000000010 R14: ff29a26004cc0000 R15: ff29a2600310fc00 [ 320.451189] FS: 000000002b276400(0000) GS:ff29a26083996000(0000) knlGS:0000000000000000 [ 320.451268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 320.451346] CR2: 00007fb7412ae000 CR3: 0000000002fb1001 CR4: 0000000000771ef0 [ 320.451424] PKRU: 55555554 [ 320.451471] Call Trace: [ 320.451519] [ 320.451566] rtnetlink_event+0x6e/0xb0 [ 320.451623] notifier_call_chain+0x6d/0x100 [ 320.451679] netdev_update_features+0x56/0x60 [ 320.451743] __tun_chr_ioctl+0xbf1/0x16c0 [ 320.451800] ? file_init_path+0x62/0x120 [ 320.451857] __x64_sys_ioctl+0xa1/0xe0 [ 320.451913] do_syscall_64+0x104/0xfc0 [ 320.451976] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 320.452040] RIP: 0033:0x47cc8d [ 320.452095] 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 [ 320.452225] RSP: 002b:00007fffe9453830 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 320.452309] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d [ 320.452388] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005 [ 320.452466] RBP: 00007fffe9453880 R08: 0000000000000000 R09: 0000000000000000 [ 320.452542] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffe9453d48 [ 320.452617] R13: 00007fffe9453dc8 R14: 0000000000000002 R15: 0000000000543540 [ 320.452692] [ 320.452740] ---[ end trace 0000000000000000 ]--- [ 320.452820] ------------[ cut here ]------------ [ 320.452882] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/468 [ 320.452975] Modules linked in: [ 320.453031] CPU: 2 UID: 0 PID: 468 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 320.453123] Tainted: [W]=WARN [ 320.453177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 320.453246] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 320.453317] 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 [ 320.453450] RSP: 0018:ff60724180777c10 EFLAGS: 00010286 [ 320.453512] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000 [ 320.453589] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a2600310fc00 [ 320.453665] RBP: 0000000000000000 R08: ff29a26002fa8090 R09: ff29a26002d27030 [ 320.453741] R10: ff29a26004cc0118 R11: fefefefefefefeff R12: 0000000000000000 [ 320.453819] R13: 0000000000000010 R14: ff29a26004cc0000 R15: ff29a2600310fc00 [ 320.453897] FS: 000000002b276400(0000) GS:ff29a26083996000(0000) knlGS:0000000000000000 [ 320.453981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 320.454050] CR2: 00007fb7412ae000 CR3: 0000000002fb1001 CR4: 0000000000771ef0 [ 320.454130] PKRU: 55555554 [ 320.454177] Call Trace: [ 320.454225] [ 320.454281] rtmsg_ifinfo+0x3c/0xa0 [ 320.454337] __dev_notify_flags+0xb1/0xf0 [ 320.454395] netif_change_flags+0x54/0x70 [ 320.454452] dev_change_flags+0x45/0x80 [ 320.454509] devinet_ioctl+0x607/0x7f0 [ 320.454568] inet_ioctl+0x229/0x240 [ 320.454625] ? __rtnl_unlock+0x35/0x60 [ 320.454682] sock_do_ioctl+0x75/0x140 [ 320.454740] __x64_sys_ioctl+0xa1/0xe0 [ 320.454797] do_syscall_64+0x104/0xfc0 [ 320.454854] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 320.454918] RIP: 0033:0x47cc8d [ 320.454980] 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 [ 320.455114] RSP: 002b:00007fffe9453810 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 320.455192] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d [ 320.455267] RDX: 00007fffe9453880 RSI: 0000000000008914 RDI: 0000000000000006 [ 320.455352] RBP: 00007fffe9453860 R08: 0000000000000000 R09: 0000000000000000 [ 320.455429] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffe9453d48 [ 320.455505] R13: 00007fffe9453dc8 R14: 0000000000000002 R15: 0000000000543540 [ 320.455582] [ 320.455630] ---[ end trace 0000000000000000 ]--- [ 365.428670] ------------[ cut here ]------------ [ 365.428787] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/468 [ 365.428918] Modules linked in: [ 365.428989] CPU: 2 UID: 0 PID: 468 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 365.429091] Tainted: [W]=WARN [ 365.429146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 365.429220] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 365.429284] 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 [ 365.429452] RSP: 0018:ff60724180777b58 EFLAGS: 00010286 [ 365.429516] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000 [ 365.429593] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a2600310dd00 [ 365.429670] RBP: 0000000000000000 R08: ff29a26002fa8090 R09: ff29a26002d27030 [ 365.429747] R10: ff29a26004cc0118 R11: fefefefefefefeff R12: 0000000000000000 [ 365.429824] R13: 0000000000000010 R14: ff29a26004cc0000 R15: ff29a2600310dd00 [ 365.429905] FS: 0000000000000000(0000) GS:ff29a26083996000(0000) knlGS:0000000000000000 [ 365.430164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.430238] CR2: 00007fb7412ae000 CR3: 000000001a642002 CR4: 0000000000771ef0 [ 365.430315] PKRU: 55555554 [ 365.430367] Call Trace: [ 365.430424] [ 365.430473] rtmsg_ifinfo+0x3c/0xa0 [ 365.430530] netif_close_many+0xed/0x190 [ 365.430590] unregister_netdevice_many_notify+0x267/0x9d0 [ 365.430655] ? __queue_work+0x141/0x550 [ 365.430714] unregister_netdevice_queue+0x9e/0xd0 [ 365.430778] __tun_detach+0x591/0x5b0 [ 365.430839] tun_chr_close+0x3f/0xc0 [ 365.430896] __fput+0xe8/0x2c0 [ 365.430956] task_work_run+0x63/0xa0 [ 365.431018] do_exit+0x2c1/0xba0 [ 365.431076] do_group_exit+0x2d/0xc0 [ 365.431133] get_signal+0x82e/0x900 [ 365.431192] ? __d_alloc+0x40/0x200 [ 365.431250] ? alloc_empty_file+0x3f/0xd0 [ 365.431307] arch_do_signal_or_restart+0x77/0x2b0 [ 365.431377] ? alloc_file_pseudo+0xc1/0x110 [ 365.431443] ? __sys_socket+0xda/0x130 [ 365.431502] exit_to_user_mode_loop+0x75/0x4a0 [ 365.431568] do_syscall_64+0x439/0xfc0 [ 365.431628] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 365.431692] RIP: 0033:0x47ea2b [ 365.431749] Code: Unable to access opcode bytes at 0x47ea01. [ 365.431817] RSP: 002b:00007fffe9453298 EFLAGS: 00000206 ORIG_RAX: 0000000000000029 [ 365.431892] RAX: 0000000000000007 RBX: 00007fffe9453370 RCX: 000000000047ea2b [ 365.431976] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010 [ 365.432050] RBP: 00007fffe94532d0 R08: 0000000000000041 R09: 000000002b2773e0 [ 365.432126] R10: 0000000000000040 R11: 0000000000000206 R12: 00007fffe9453d48 [ 365.432203] R13: 00007fffe9453dc8 R14: 00007fffe9453848 R15: 0000000000543540 [ 365.432281] [ 365.432328] ---[ end trace 0000000000000000 ]--- [ 365.432481] ------------[ cut here ]------------ [ 365.432515] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/468 [ 365.432568] Modules linked in: [ 365.432591] CPU: 3 UID: 0 PID: 468 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 365.432650] Tainted: [W]=WARN [ 365.432670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 365.432706] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 365.432732] 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 [ 365.432835] RSP: 0018:ff60724180777bc8 EFLAGS: 00010286 [ 365.432863] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 365.432907] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003080c00 [ 365.432952] RBP: 0000000000000000 R08: ff29a26002fa8090 R09: ff29a260076d1030 [ 365.432998] R10: ff29a26004cc0118 R11: fefefefefefefeff R12: 0000000000000000 [ 365.433032] R13: 0000000000000011 R14: ff29a26004cc0000 R15: ff29a26003080c00 [ 365.433076] FS: 0000000000000000(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000 [ 365.433122] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.433158] CR2: 00007fa645310680 CR3: 000000001a642001 CR4: 0000000000771ef0 [ 365.433202] PKRU: 55555554 [ 365.433218] Call Trace: [ 365.433232] [ 365.433245] unregister_netdevice_many_notify+0x877/0x9d0 [ 365.433274] unregister_netdevice_queue+0x9e/0xd0 [ 365.433305] __tun_detach+0x591/0x5b0 [ 365.433330] tun_chr_close+0x3f/0xc0 [ 365.433357] __fput+0xe8/0x2c0 [ 365.433387] task_work_run+0x63/0xa0 [ 365.433410] do_exit+0x2c1/0xba0 [ 365.433432] do_group_exit+0x2d/0xc0 [ 365.433450] get_signal+0x82e/0x900 [ 365.433474] ? __d_alloc+0x40/0x200 [ 365.433497] ? alloc_empty_file+0x3f/0xd0 [ 365.433518] arch_do_signal_or_restart+0x77/0x2b0 [ 365.433547] ? alloc_file_pseudo+0xc1/0x110 [ 365.433575] ? __sys_socket+0xda/0x130 [ 365.433602] exit_to_user_mode_loop+0x75/0x4a0 [ 365.433633] do_syscall_64+0x439/0xfc0 [ 365.433653] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 365.433682] RIP: 0033:0x47ea2b [ 365.433703] Code: Unable to access opcode bytes at 0x47ea01. [ 365.433738] RSP: 002b:00007fffe9453298 EFLAGS: 00000206 ORIG_RAX: 0000000000000029 [ 365.433779] RAX: 0000000000000007 RBX: 00007fffe9453370 RCX: 000000000047ea2b [ 365.433821] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010 [ 365.433863] RBP: 00007fffe94532d0 R08: 0000000000000041 R09: 000000002b2773e0 [ 365.433906] R10: 0000000000000040 R11: 0000000000000206 R12: 00007fffe9453d48 [ 365.433946] R13: 00007fffe9453dc8 R14: 00007fffe9453848 R15: 0000000000543540 [ 365.433991] [ 365.434006] ---[ end trace 0000000000000000 ]--- [ 365.443065] ------------[ cut here ]------------ [ 365.443115] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/64 [ 365.443177] Modules linked in: [ 365.443198] CPU: 0 UID: 0 PID: 64 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 365.443254] Tainted: [W]=WARN [ 365.443278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 365.443315] Workqueue: netns cleanup_net [ 365.443339] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 365.443372] 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 [ 365.443480] RSP: 0018:ff60724180237c78 EFLAGS: 00010286 [ 365.443508] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 365.443550] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a2600310de00 [ 365.443594] RBP: 0000000000000000 R08: ff29a26001f00bd0 R09: ff29a260060bf82c [ 365.443634] R10: ff29a260032db118 R11: fefefefefefefeff R12: 0000000000000000 [ 365.443676] R13: 0000000000000011 R14: ff29a260032db000 R15: ff29a2600310de00 [ 365.443731] FS: 0000000000000000(0000) GS:ff29a26083896000(0000) knlGS:0000000000000000 [ 365.443778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.443814] CR2: 0000561bed0aa2b8 CR3: 0000000002e8d005 CR4: 0000000000771ef0 [ 365.443858] PKRU: 55555554 [ 365.443872] Call Trace: [ 365.443887] [ 365.443902] unregister_netdevice_many_notify+0x877/0x9d0 [ 365.443931] default_device_exit_batch+0x318/0x390 [ 365.443959] ops_undo_list+0x10b/0x240 [ 365.443988] cleanup_net+0x1d7/0x2e0 [ 365.444012] process_one_work+0x162/0x360 [ 365.444033] worker_thread+0x16e/0x2d0 [ 365.444055] ? rescuer_thread+0x510/0x510 [ 365.444079] kthread+0xe1/0x120 [ 365.444101] ? kthread_park+0xa0/0xa0 [ 365.444122] ret_from_fork+0x16d/0x250 [ 365.444146] ? kthread_park+0xa0/0xa0 [ 365.444169] ret_from_fork_asm+0x11/0x20 [ 365.444194] [ 365.444209] ---[ end trace 0000000000000000 ]---