[ 274.985383] ------------[ cut here ]------------
[ 274.985431] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: unshare/424
[ 274.985508] Modules linked in:
[ 274.985534] CPU: 3 UID: 0 PID: 424 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 274.985597] Tainted: [W]=WARN
[ 274.985621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 274.985659] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 274.985684] 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
[ 274.985790] RSP: 0018:ff607241806dfcc8 EFLAGS: 00010286
[ 274.985822] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 274.985865] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003111900
[ 274.985910] RBP: 0000000000000000 R08: ff29a26002e6b8d0 R09: ff29a26001d8002c
[ 274.985953] R10: ff29a260032da118 R11: fefefefefefefeff R12: 0000000000000000
[ 274.986009] R13: 0000000000000010 R14: ff29a260032da000 R15: ff29a26003111900
[ 274.986057] FS: 00007f6e4c39c740(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000
[ 274.986106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 274.986150] CR2: 00005649b14eb008 CR3: 0000000003233003 CR4: 0000000000771ef0
[ 274.986204] PKRU: 55555554
[ 274.986218] Call Trace:
[ 274.986234]
[ 274.986248] rtmsg_ifinfo+0x3c/0xa0
[ 274.986274] register_netdevice+0x889/0x9f0
[ 274.986299] register_netdev+0x1e/0x30
[ 274.986324] loopback_net_init+0x57/0xb0
[ 274.986348] ? vsock_sysctl_init_net+0xb6/0x140
[ 274.986379] ops_init+0x68/0x140
[ 274.986403] setup_net+0x85/0x150
[ 274.986428] copy_net_ns+0xf5/0x200
[ 274.986456] create_new_namespaces+0x117/0x2f0
[ 274.986486] unshare_nsproxy_namespaces+0x85/0xb0
[ 274.986514] ksys_unshare+0x346/0x5e0
[ 274.986537] __x64_sys_unshare+0x12/0x20
[ 274.986561] do_syscall_64+0x104/0xfc0
[ 274.986585] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 274.986617] RIP: 0033:0x7f6e4c497bcb
[ 274.986642] 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
[ 274.986740] RSP: 002b:00007fffa6199998 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 274.986776] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6e4c497bcb
[ 274.986821] RDX: 0000000000000000 RSI: 00007fffa6199700 RDI: 0000000040000000
[ 274.986864] RBP: 00007fffa6199d20 R08: 00007fffa61998f0 R09: 0000000000000000
[ 274.986906] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 274.986943] R13: 0000000000000000 R14: 00000000ffffffff R15: 00005649747d7b68
[ 274.986987]
[ 274.987003] ---[ end trace 0000000000000000 ]---
[ 274.987628] ------------[ cut here ]------------
[ 274.987675] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/424
[ 274.987728] Modules linked in:
[ 274.987751] CPU: 3 UID: 0 PID: 424 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 274.987803] Tainted: [W]=WARN
[ 274.987823] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 274.987860] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 274.987885] 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
[ 274.988002] RSP: 0018:ff607241806dfd68 EFLAGS: 00010286
[ 274.988034] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 274.988077] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003111900
[ 274.988115] RBP: 0000000000000000 R08: ff29a2600311c3d0 R09: ff29a26002d25030
[ 274.988164] R10: ff29a26003320118 R11: fefefefefefefeff R12: 0000000000000000
[ 274.988204] R13: 0000000000000010 R14: ff29a26003320000 R15: ff29a26003111900
[ 274.988256] FS: 000000003a600400(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000
[ 274.988305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 274.988342] CR2: 00007f222d83e000 CR3: 0000000003003004 CR4: 0000000000771ef0
[ 274.988387] PKRU: 55555554
[ 274.988401] Call Trace:
[ 274.988418]
[ 274.988434] rtmsg_ifinfo+0x3c/0xa0
[ 274.988453] register_netdevice+0x889/0x9f0
[ 274.988473] __tun_chr_ioctl+0x83c/0x16c0
[ 274.988494] ? do_sys_openat2+0x9a/0xe0
[ 274.988521] __x64_sys_ioctl+0xa1/0xe0
[ 274.988543] do_syscall_64+0x104/0xfc0
[ 274.988567] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 274.988593] RIP: 0033:0x47cc8d
[ 274.988618] 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
[ 274.988709] RSP: 002b:00007fffc314e8b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 274.988753] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 274.988794] RDX: 00007fffc314e930 RSI: 00000000400454ca RDI: 0000000000000005
[ 274.988832] RBP: 00007fffc314e900 R08: 0000000000000000 R09: 0000000000000000
[ 274.988873] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffc314ee08
[ 274.988913] R13: 00007fffc314ee88 R14: 0000000000000002 R15: 0000000000543540
[ 274.988953]
[ 274.988969] ---[ end trace 0000000000000000 ]---
[ 274.989013] ------------[ cut here ]------------
[ 274.989061] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/424
[ 274.989115] Modules linked in:
[ 274.989137] CPU: 3 UID: 0 PID: 424 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 274.989207] Tainted: [W]=WARN
[ 274.989233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 274.989266] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 274.989296] 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
[ 274.989394] RSP: 0018:ff607241806dfd60 EFLAGS: 00010286
[ 274.989422] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 274.989465] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003111900
[ 274.989513] RBP: 0000000000000002 R08: ff29a2600311c3d0 R09: ff29a26002d25030
[ 274.989549] R10: ff29a26003320118 R11: fefefefefefefeff R12: 0000000000000000
[ 274.989592] R13: 0000000000000010 R14: ff29a26003320000 R15: ff29a26003111900
[ 274.989633] FS: 000000003a600400(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000
[ 274.989669] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 274.989704] CR2: 00007f222d83e000 CR3: 0000000003003004 CR4: 0000000000771ef0
[ 274.989748] PKRU: 55555554
[ 274.989764] Call Trace:
[ 274.989778]
[ 274.989793] rtnetlink_event+0x6e/0xb0
[ 274.989812] notifier_call_chain+0x6d/0x100
[ 274.989837] netdev_update_features+0x56/0x60
[ 274.989861] __tun_chr_ioctl+0xbf1/0x16c0
[ 274.989885] ? file_init_path+0x62/0x120
[ 274.989910] __x64_sys_ioctl+0xa1/0xe0
[ 274.989935] do_syscall_64+0x104/0xfc0
[ 274.989951] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 274.989982] RIP: 0033:0x47cc8d
[ 274.990003] 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
[ 274.990117] RSP: 002b:00007fffc314e8f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 274.990195] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 274.990251] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 274.990294] RBP: 00007fffc314e940 R08: 0000000000000005 R09: 000000000054b7c0
[ 274.990337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffc314ee08
[ 274.990386] R13: 00007fffc314ee88 R14: 0000000000000002 R15: 0000000000543540
[ 274.990433]
[ 274.990445] ---[ end trace 0000000000000000 ]---
[ 274.990487] ------------[ cut here ]------------
[ 274.990535] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/424
[ 274.990585] Modules linked in:
[ 274.990605] CPU: 3 UID: 0 PID: 424 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 274.990700] Tainted: [W]=WARN
[ 274.990743] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 274.990816] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 274.990869] 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
[ 274.991058] RSP: 0018:ff607241806dfc10 EFLAGS: 00010286
[ 274.991101] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 274.991137] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003111900
[ 274.991184] RBP: 0000000000000000 R08: ff29a2600311c3d0 R09: ff29a26006beb030
[ 274.991225] R10: ff29a26003320118 R11: fefefefefefefeff R12: 0000000000000000
[ 274.991265] R13: 0000000000000010 R14: ff29a26003320000 R15: ff29a26003111900
[ 274.991317] FS: 000000003a600400(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000
[ 274.991364] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 274.991404] CR2: 00007f222d83e000 CR3: 0000000003003004 CR4: 0000000000771ef0
[ 274.991447] PKRU: 55555554
[ 274.991461] Call Trace:
[ 274.991477]
[ 274.991490] rtmsg_ifinfo+0x3c/0xa0
[ 274.991515] __dev_notify_flags+0xb1/0xf0
[ 274.991540] netif_change_flags+0x54/0x70
[ 274.991563] dev_change_flags+0x45/0x80
[ 274.991584] devinet_ioctl+0x607/0x7f0
[ 274.991607] inet_ioctl+0x229/0x240
[ 274.991627] ? __rtnl_unlock+0x35/0x60
[ 274.991650] sock_do_ioctl+0x75/0x140
[ 274.991673] __x64_sys_ioctl+0xa1/0xe0
[ 274.991697] do_syscall_64+0x104/0xfc0
[ 274.991721] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 274.991752] RIP: 0033:0x47cc8d
[ 274.991774] 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
[ 274.991875] RSP: 002b:00007fffc314e8d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 274.991915] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 274.991957] RDX: 00007fffc314e940 RSI: 0000000000008914 RDI: 0000000000000006
[ 274.992004] RBP: 00007fffc314e920 R08: 0000000000000005 R09: 000000000054b7c0
[ 274.992044] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffc314ee08
[ 274.992089] R13: 00007fffc314ee88 R14: 0000000000000002 R15: 0000000000543540
[ 274.992129]
[ 274.992142] ---[ end trace 0000000000000000 ]---
[ 319.971313] ------------[ cut here ]------------
[ 319.971399] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/424
[ 319.971472] Modules linked in:
[ 319.971497] CPU: 3 UID: 0 PID: 424 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 319.971559] Tainted: [W]=WARN
[ 319.971584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 319.971620] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 319.971644] 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
[ 319.971754] RSP: 0018:ff607241806dfb58 EFLAGS: 00010286
[ 319.971783] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 319.971831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a2600310d900
[ 319.971874] RBP: 0000000000000000 R08: ff29a2600311c3d0 R09: ff29a260028dd030
[ 319.971918] R10: ff29a26003320118 R11: fefefefefefefeff R12: 0000000000000000
[ 319.971961] R13: 0000000000000010 R14: ff29a26003320000 R15: ff29a2600310d900
[ 319.972010] FS: 0000000000000000(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000
[ 319.972055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 319.972091] CR2: 00007f222d83e000 CR3: 000000001a642005 CR4: 0000000000771ef0
[ 319.972136] PKRU: 55555554
[ 319.972152] Call Trace:
[ 319.972168]
[ 319.972189] rtmsg_ifinfo+0x3c/0xa0
[ 319.972213] netif_close_many+0xed/0x190
[ 319.972235] unregister_netdevice_many_notify+0x267/0x9d0
[ 319.972265] ? __queue_work+0x141/0x550
[ 319.972297] unregister_netdevice_queue+0x9e/0xd0
[ 319.972327] __tun_detach+0x591/0x5b0
[ 319.972353] tun_chr_close+0x3f/0xc0
[ 319.972377] __fput+0xe8/0x2c0
[ 319.972401] task_work_run+0x63/0xa0
[ 319.972423] do_exit+0x2c1/0xba0
[ 319.972448] do_group_exit+0x2d/0xc0
[ 319.972470] ? __sys_sendto+0x194/0x220
[ 319.972491] get_signal+0x82e/0x900
[ 319.972516] ? irqentry_exit+0x10a/0x540
[ 319.972539] ? sysvec_reschedule_ipi+0x25/0x120
[ 319.972569] arch_do_signal_or_restart+0x77/0x2b0
[ 319.972602] exit_to_user_mode_loop+0x75/0x4a0
[ 319.972635] do_syscall_64+0x439/0xfc0
[ 319.972655] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 319.972685] RIP: 0033:0x4c2d9e
[ 319.972708] Code: Unable to access opcode bytes at 0x4c2d74.
[ 319.972742] RSP: 002b:00007fffc314e260 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 319.972789] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 319.972830] RDX: 0000000000000014 RSI: 00007fffc314e340 RDI: 0000000000000007
[ 319.972870] RBP: 00007fffc314e270 R08: 00007fffc314e300 R09: 000000000000000c
[ 319.972918] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffc314ee08
[ 319.972958] R13: 00007fffc314ee88 R14: 00007fffc314e430 R15: 0000000000543540
[ 319.973004]
[ 319.973017] ---[ end trace 0000000000000000 ]---
[ 319.973136] ------------[ cut here ]------------
[ 319.973174] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/424
[ 319.973230] Modules linked in:
[ 319.973255] CPU: 0 UID: 0 PID: 424 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 319.973324] Tainted: [W]=WARN
[ 319.973348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 319.973386] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 319.973417] 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
[ 319.973511] RSP: 0018:ff607241806dfbc8 EFLAGS: 00010286
[ 319.973537] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 319.973582] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a2600310da00
[ 319.973625] RBP: 0000000000000000 R08: ff29a2600311c3d0 R09: ff29a26004e4a030
[ 319.973674] R10: ff29a26003320118 R11: fefefefefefefeff R12: 0000000000000000
[ 319.973716] R13: 0000000000000011 R14: ff29a26003320000 R15: ff29a2600310da00
[ 319.973760] FS: 0000000000000000(0000) GS:ff29a26083896000(0000) knlGS:0000000000000000
[ 319.973807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 319.973846] CR2: 00007f86d328e6f0 CR3: 0000000001cf4006 CR4: 0000000000771ef0
[ 319.973889] PKRU: 55555554
[ 319.973903] Call Trace:
[ 319.973919]
[ 319.973934] unregister_netdevice_many_notify+0x877/0x9d0
[ 319.973970] unregister_netdevice_queue+0x9e/0xd0
[ 319.974005] __tun_detach+0x591/0x5b0
[ 319.974033] tun_chr_close+0x3f/0xc0
[ 319.974061] __fput+0xe8/0x2c0
[ 319.974084] task_work_run+0x63/0xa0
[ 319.974112] do_exit+0x2c1/0xba0
[ 319.974135] do_group_exit+0x2d/0xc0
[ 319.974156] ? __sys_sendto+0x194/0x220
[ 319.974180] get_signal+0x82e/0x900
[ 319.974202] ? irqentry_exit+0x10a/0x540
[ 319.974227] ? sysvec_reschedule_ipi+0x25/0x120
[ 319.974253] arch_do_signal_or_restart+0x77/0x2b0
[ 319.974292] exit_to_user_mode_loop+0x75/0x4a0
[ 319.974325] do_syscall_64+0x439/0xfc0
[ 319.974347] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 319.974378] RIP: 0033:0x4c2d9e
[ 319.974401] Code: Unable to access opcode bytes at 0x4c2d74.
[ 319.974438] RSP: 002b:00007fffc314e260 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 319.974481] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 319.974522] RDX: 0000000000000014 RSI: 00007fffc314e340 RDI: 0000000000000007
[ 319.974565] RBP: 00007fffc314e270 R08: 00007fffc314e300 R09: 000000000000000c
[ 319.974609] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffc314ee08
[ 319.974651] R13: 00007fffc314ee88 R14: 00007fffc314e430 R15: 0000000000543540
[ 319.974690]
[ 319.974706] ---[ end trace 0000000000000000 ]---
[ 319.979102] ------------[ cut here ]------------
[ 319.979148] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/64
[ 319.979218] Modules linked in:
[ 319.979240] CPU: 0 UID: 0 PID: 64 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 319.979303] Tainted: [W]=WARN
[ 319.979326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 319.979369] Workqueue: netns cleanup_net
[ 319.979395] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 319.979421] 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
[ 319.979518] RSP: 0018:ff60724180237c78 EFLAGS: 00010286
[ 319.979548] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 319.979596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a2600310da00
[ 319.979638] RBP: 0000000000000000 R08: ff29a26002e6b8d0 R09: ff29a26004e4e82c
[ 319.979678] R10: ff29a260032da118 R11: fefefefefefefeff R12: 0000000000000000
[ 319.979722] R13: 0000000000000011 R14: ff29a260032da000 R15: ff29a2600310da00
[ 319.979765] FS: 0000000000000000(0000) GS:ff29a26083896000(0000) knlGS:0000000000000000
[ 319.979809] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 319.979846] CR2: 0000561bed0aa2b8 CR3: 0000000002e8d001 CR4: 0000000000771ef0
[ 319.979887] PKRU: 55555554
[ 319.979900] Call Trace:
[ 319.979916]
[ 319.979933] unregister_netdevice_many_notify+0x877/0x9d0
[ 319.979961] default_device_exit_batch+0x318/0x390
[ 319.979996] ops_undo_list+0x10b/0x240
[ 319.980018] cleanup_net+0x1d7/0x2e0
[ 319.980042] process_one_work+0x162/0x360
[ 319.980074] worker_thread+0x16e/0x2d0
[ 319.980097] ? rescuer_thread+0x510/0x510
[ 319.980119] kthread+0xe1/0x120
[ 319.980142] ? kthread_park+0xa0/0xa0
[ 319.980165] ret_from_fork+0x16d/0x250
[ 319.980188] ? kthread_park+0xa0/0xa0
[ 319.980212] ret_from_fork_asm+0x11/0x20
[ 319.980236]
[ 319.980251] ---[ end trace 0000000000000000 ]---