[ 365.997296] ------------[ cut here ]------------
[ 365.997344] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: unshare/513
[ 365.997394] Modules linked in:
[ 365.997415] CPU: 3 UID: 0 PID: 513 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 365.997468] Tainted: [W]=WARN
[ 365.997492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 365.997522] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 365.997551] 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
[ 365.997637] RSP: 0018:ff6a9ac84080fcc8 EFLAGS: 00010286
[ 365.997661] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 365.997701] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e83840600
[ 365.997751] RBP: 0000000000000000 R08: ff48218e83948090 R09: ff48218e82dc602c
[ 365.997795] R10: ff48218e82e99118 R11: fefefefefefefeff R12: 0000000000000000
[ 365.997837] R13: 0000000000000010 R14: ff48218e82e99000 R15: ff48218e83840600
[ 365.997883] FS: 00007f6f2e31d740(0000) GS:ff48218f0ca16000(0000) knlGS:0000000000000000
[ 365.997926] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 365.997959] CR2: 000056333d39e008 CR3: 00000000074c8004 CR4: 0000000000771ef0
[ 365.998000] PKRU: 55555554
[ 365.998016] Call Trace:
[ 365.998032]
[ 365.998047] rtmsg_ifinfo+0x3c/0xa0
[ 365.998071] register_netdevice+0x889/0x9f0
[ 365.998092] register_netdev+0x1e/0x30
[ 365.998112] loopback_net_init+0x57/0xb0
[ 365.998133] ? vsock_sysctl_init_net+0xb6/0x140
[ 365.998160] ops_init+0x68/0x140
[ 365.998190] setup_net+0x85/0x150
[ 365.998213] copy_net_ns+0xf5/0x200
[ 365.998233] create_new_namespaces+0x117/0x2f0
[ 365.998265] unshare_nsproxy_namespaces+0x85/0xb0
[ 365.998294] ksys_unshare+0x346/0x5e0
[ 365.998321] __x64_sys_unshare+0x12/0x20
[ 365.998353] do_syscall_64+0x104/0xfc0
[ 365.998378] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 365.998403] RIP: 0033:0x7f6f2e418bcb
[ 365.998425] 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
[ 365.998519] RSP: 002b:00007fffaebc3bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 365.998556] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f2e418bcb
[ 365.998596] RDX: 0000000000000000 RSI: 00007fffaebc3940 RDI: 0000000040000000
[ 365.998632] RBP: 00007fffaebc3f60 R08: 00007fffaebc3b30 R09: 0000000000000000
[ 365.998672] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 365.998711] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000563317b3db68
[ 365.998757]
[ 365.998771] ---[ end trace 0000000000000000 ]---
[ 365.999382] ------------[ cut here ]------------
[ 365.999418] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/513
[ 365.999466] Modules linked in:
[ 365.999487] CPU: 3 UID: 0 PID: 513 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 365.999540] Tainted: [W]=WARN
[ 365.999561] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 365.999602] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 365.999637] 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
[ 365.999743] RSP: 0018:ff6a9ac84080fd68 EFLAGS: 00010286
[ 365.999771] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 365.999809] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e83840600
[ 365.999856] RBP: 0000000000000000 R08: ff48218e838227d0 R09: ff48218e84bc5030
[ 365.999892] R10: ff48218e81880118 R11: fefefefefefefeff R12: 0000000000000000
[ 365.999929] R13: 0000000000000010 R14: ff48218e81880000 R15: ff48218e83840600
[ 365.999969] FS: 000000002e7d2400(0000) GS:ff48218f0ca16000(0000) knlGS:0000000000000000
[ 366.000012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 366.000051] CR2: 00007f94c5727000 CR3: 00000000075cd005 CR4: 0000000000771ef0
[ 366.000106] PKRU: 55555554
[ 366.000121] Call Trace:
[ 366.000134]
[ 366.000151] rtmsg_ifinfo+0x3c/0xa0
[ 366.000171] register_netdevice+0x889/0x9f0
[ 366.000192] __tun_chr_ioctl+0x83c/0x16c0
[ 366.000216] ? do_sys_openat2+0x9a/0xe0
[ 366.000239] __x64_sys_ioctl+0xa1/0xe0
[ 366.000266] do_syscall_64+0x104/0xfc0
[ 366.000288] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 366.000315] RIP: 0033:0x47cc8d
[ 366.000339] 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
[ 366.000430] RSP: 002b:00007ffedc4a9bc0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 366.000473] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 366.000512] RDX: 00007ffedc4a9c40 RSI: 00000000400454ca RDI: 0000000000000005
[ 366.000559] RBP: 00007ffedc4a9c10 R08: 0000000000000000 R09: 0000000000000000
[ 366.000596] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffedc4aa118
[ 366.000644] R13: 00007ffedc4aa198 R14: 0000000000000002 R15: 0000000000543540
[ 366.000686]
[ 366.000700] ---[ end trace 0000000000000000 ]---
[ 366.000741] ------------[ cut here ]------------
[ 366.000768] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/513
[ 366.000812] Modules linked in:
[ 366.000831] CPU: 3 UID: 0 PID: 513 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 366.000882] Tainted: [W]=WARN
[ 366.000908] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 366.000942] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 366.000967] 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
[ 366.001055] RSP: 0018:ff6a9ac84080fd60 EFLAGS: 00010286
[ 366.001082] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 366.001117] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e83840600
[ 366.001160] RBP: 0000000000000002 R08: ff48218e838227d0 R09: ff48218e84bc5030
[ 366.001203] R10: ff48218e81880118 R11: fefefefefefefeff R12: 0000000000000000
[ 366.001240] R13: 0000000000000010 R14: ff48218e81880000 R15: ff48218e83840600
[ 366.001284] FS: 000000002e7d2400(0000) GS:ff48218f0ca16000(0000) knlGS:0000000000000000
[ 366.001327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 366.001361] CR2: 00007f94c5727000 CR3: 00000000075cd005 CR4: 0000000000771ef0
[ 366.001419] PKRU: 55555554
[ 366.001437] Call Trace:
[ 366.001449]
[ 366.001465] rtnetlink_event+0x6e/0xb0
[ 366.001485] notifier_call_chain+0x6d/0x100
[ 366.001511] netdev_update_features+0x56/0x60
[ 366.001539] __tun_chr_ioctl+0xbf1/0x16c0
[ 366.001560] ? file_init_path+0x62/0x120
[ 366.001581] __x64_sys_ioctl+0xa1/0xe0
[ 366.001601] do_syscall_64+0x104/0xfc0
[ 366.001619] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 366.001645] RIP: 0033:0x47cc8d
[ 366.001664] 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
[ 366.001760] RSP: 002b:00007ffedc4a9c00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 366.001798] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 366.001840] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 366.001877] RBP: 00007ffedc4a9c50 R08: 0000000000000000 R09: 0000000000000000
[ 366.001917] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffedc4aa118
[ 366.001953] R13: 00007ffedc4aa198 R14: 0000000000000002 R15: 0000000000543540
[ 366.001998]
[ 366.002012] ---[ end trace 0000000000000000 ]---
[ 366.002051] ------------[ cut here ]------------
[ 366.002079] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/513
[ 366.002123] Modules linked in:
[ 366.002141] CPU: 3 UID: 0 PID: 513 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 366.002191] Tainted: [W]=WARN
[ 366.002213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 366.002247] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 366.002277] 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
[ 366.002364] RSP: 0018:ff6a9ac84080fc10 EFLAGS: 00010286
[ 366.002394] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 366.002430] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e83840600
[ 366.002468] RBP: 0000000000000000 R08: ff48218e838227d0 R09: ff48218e81135030
[ 366.002509] R10: ff48218e81880118 R11: fefefefefefefeff R12: 0000000000000000
[ 366.002547] R13: 0000000000000010 R14: ff48218e81880000 R15: ff48218e83840600
[ 366.002589] FS: 000000002e7d2400(0000) GS:ff48218f0ca16000(0000) knlGS:0000000000000000
[ 366.002628] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 366.002662] CR2: 00007f94c5727000 CR3: 00000000075cd005 CR4: 0000000000771ef0
[ 366.002701] PKRU: 55555554
[ 366.002713] Call Trace:
[ 366.002734]
[ 366.002748] rtmsg_ifinfo+0x3c/0xa0
[ 366.002768] __dev_notify_flags+0xb1/0xf0
[ 366.002793] netif_change_flags+0x54/0x70
[ 366.002816] dev_change_flags+0x45/0x80
[ 366.002836] devinet_ioctl+0x607/0x7f0
[ 366.002860] inet_ioctl+0x229/0x240
[ 366.002885] ? __rtnl_unlock+0x35/0x60
[ 366.002906] sock_do_ioctl+0x75/0x140
[ 366.002930] __x64_sys_ioctl+0xa1/0xe0
[ 366.002951] do_syscall_64+0x104/0xfc0
[ 366.002977] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 366.003026] RIP: 0033:0x47cc8d
[ 366.003057] 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
[ 366.003142] RSP: 002b:00007ffedc4a9be0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 366.003225] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 366.003311] RDX: 00007ffedc4a9c50 RSI: 0000000000008914 RDI: 0000000000000006
[ 366.003362] RBP: 00007ffedc4a9c30 R08: 0000000000000000 R09: 0000000000000000
[ 366.003398] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffedc4aa118
[ 366.003435] R13: 00007ffedc4aa198 R14: 0000000000000002 R15: 0000000000543540
[ 366.003496]
[ 366.003508] ---[ end trace 0000000000000000 ]---
[ 410.984043] ------------[ cut here ]------------
[ 410.984117] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/513
[ 410.984174] Modules linked in:
[ 410.984199] CPU: 0 UID: 0 PID: 513 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 410.984265] Tainted: [W]=WARN
[ 410.984285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 410.984319] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 410.984348] 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
[ 410.984446] RSP: 0018:ff6a9ac84080fb58 EFLAGS: 00010286
[ 410.984470] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 410.984513] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e81dec100
[ 410.984553] RBP: 0000000000000000 R08: ff48218e838227d0 R09: ff48218e82061030
[ 410.984592] R10: ff48218e81880118 R11: fefefefefefefeff R12: 0000000000000000
[ 410.984632] R13: 0000000000000010 R14: ff48218e81880000 R15: ff48218e81dec100
[ 410.984674] FS: 0000000000000000(0000) GS:ff48218f0c896000(0000) knlGS:0000000000000000
[ 410.984716] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 410.984751] CR2: 00007fd104094680 CR3: 0000000003981006 CR4: 0000000000771ef0
[ 410.984795] PKRU: 55555554
[ 410.984810] Call Trace:
[ 410.984826]
[ 410.984843] rtmsg_ifinfo+0x3c/0xa0
[ 410.984865] netif_close_many+0xed/0x190
[ 410.984895] unregister_netdevice_many_notify+0x267/0x9d0
[ 410.984927] ? __queue_work+0x141/0x550
[ 410.984952] unregister_netdevice_queue+0x9e/0xd0
[ 410.984982] __tun_detach+0x591/0x5b0
[ 410.985008] tun_chr_close+0x3f/0xc0
[ 410.985031] __fput+0xe8/0x2c0
[ 410.985054] task_work_run+0x63/0xa0
[ 410.985077] do_exit+0x2c1/0xba0
[ 410.985101] do_group_exit+0x2d/0xc0
[ 410.985123] ? __sys_sendto+0x194/0x220
[ 410.985149] get_signal+0x82e/0x900
[ 410.985172] arch_do_signal_or_restart+0x77/0x2b0
[ 410.985203] exit_to_user_mode_loop+0x75/0x4a0
[ 410.985231] do_syscall_64+0x439/0xfc0
[ 410.985255] ? __sysvec_call_function_single+0x20/0xd0
[ 410.985288] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 410.985319] RIP: 0033:0x4c2d9e
[ 410.985342] Code: Unable to access opcode bytes at 0x4c2d74.
[ 410.985377] RSP: 002b:00007ffedc4a9570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 410.985420] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 410.985459] RDX: 0000000000000014 RSI: 00007ffedc4a9650 RDI: 0000000000000007
[ 410.985500] RBP: 00007ffedc4a9580 R08: 00007ffedc4a9610 R09: 000000000000000c
[ 410.985540] R10: 0000000000000000 R11: 0000000000000202 R12: 000000002e7dad80
[ 410.985579] R13: 00007ffedc4aa198 R14: 00007ffedc4a9740 R15: 0000000000543540
[ 410.985617]
[ 410.985632] ---[ end trace 0000000000000000 ]---
[ 410.985734] ------------[ cut here ]------------
[ 410.985761] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/513
[ 410.985806] Modules linked in:
[ 410.985827] CPU: 0 UID: 0 PID: 513 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 410.985882] Tainted: [W]=WARN
[ 410.985908] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 410.985944] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 410.985969] 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
[ 410.986066] RSP: 0018:ff6a9ac84080fbc8 EFLAGS: 00010286
[ 410.986093] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 410.986131] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e81dec100
[ 410.986169] RBP: 0000000000000000 R08: ff48218e838227d0 R09: ff48218e87b40030
[ 410.986208] R10: ff48218e81880118 R11: fefefefefefefeff R12: 0000000000000000
[ 410.986248] R13: 0000000000000011 R14: ff48218e81880000 R15: ff48218e81dec100
[ 410.986289] FS: 0000000000000000(0000) GS:ff48218f0c896000(0000) knlGS:0000000000000000
[ 410.986330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 410.986365] CR2: 00007fd104094680 CR3: 0000000003981006 CR4: 0000000000771ef0
[ 410.986409] PKRU: 55555554
[ 410.986423] Call Trace:
[ 410.986442]
[ 410.986457] unregister_netdevice_many_notify+0x877/0x9d0
[ 410.986484] unregister_netdevice_queue+0x9e/0xd0
[ 410.986510] __tun_detach+0x591/0x5b0
[ 410.986532] tun_chr_close+0x3f/0xc0
[ 410.986554] __fput+0xe8/0x2c0
[ 410.986575] task_work_run+0x63/0xa0
[ 410.986596] do_exit+0x2c1/0xba0
[ 410.986618] do_group_exit+0x2d/0xc0
[ 410.986639] ? __sys_sendto+0x194/0x220
[ 410.986660] get_signal+0x82e/0x900
[ 410.986678] arch_do_signal_or_restart+0x77/0x2b0
[ 410.986706] exit_to_user_mode_loop+0x75/0x4a0
[ 410.986740] do_syscall_64+0x439/0xfc0
[ 410.986762] ? __sysvec_call_function_single+0x20/0xd0
[ 410.986791] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 410.986816] RIP: 0033:0x4c2d9e
[ 410.986837] Code: Unable to access opcode bytes at 0x4c2d74.
[ 410.986870] RSP: 002b:00007ffedc4a9570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 410.986910] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 410.986953] RDX: 0000000000000014 RSI: 00007ffedc4a9650 RDI: 0000000000000007
[ 410.986992] RBP: 00007ffedc4a9580 R08: 00007ffedc4a9610 R09: 000000000000000c
[ 410.987031] R10: 0000000000000000 R11: 0000000000000202 R12: 000000002e7dad80
[ 410.987069] R13: 00007ffedc4aa198 R14: 00007ffedc4a9740 R15: 0000000000543540
[ 410.987113]
[ 410.987127] ---[ end trace 0000000000000000 ]---
[ 410.993847] ------------[ cut here ]------------
[ 410.993880] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/65
[ 410.993942] Modules linked in:
[ 410.993964] CPU: 0 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 410.994021] Tainted: [W]=WARN
[ 410.994044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 410.994078] Workqueue: netns cleanup_net
[ 410.994103] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 410.994130] 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
[ 410.994224] RSP: 0018:ff6a9ac84023fc78 EFLAGS: 00010286
[ 410.994253] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 410.994287] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e81dec100
[ 410.994326] RBP: 0000000000000000 R08: ff48218e83948090 R09: ff48218e84b1d82c
[ 410.994366] R10: ff48218e82e99118 R11: fefefefefefefeff R12: 0000000000000000
[ 410.994410] R13: 0000000000000011 R14: ff48218e82e99000 R15: ff48218e81dec100
[ 410.994456] FS: 0000000000000000(0000) GS:ff48218f0c896000(0000) knlGS:0000000000000000
[ 410.994497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 410.994529] CR2: 000055f7f26102b8 CR3: 000000000398f004 CR4: 0000000000771ef0
[ 410.994567] PKRU: 55555554
[ 410.994579] Call Trace:
[ 410.994592]
[ 410.994607] unregister_netdevice_many_notify+0x877/0x9d0
[ 410.994634] default_device_exit_batch+0x318/0x390
[ 410.994663] ops_undo_list+0x10b/0x240
[ 410.994685] cleanup_net+0x1d7/0x2e0
[ 410.994708] process_one_work+0x162/0x360
[ 410.994735] worker_thread+0x16e/0x2d0
[ 410.994758] ? rescuer_thread+0x510/0x510
[ 410.994780] kthread+0xe1/0x120
[ 410.994806] ? kthread_park+0xa0/0xa0
[ 410.994831] ret_from_fork+0x16d/0x250
[ 410.994854] ? kthread_park+0xa0/0xa0
[ 410.994876] ret_from_fork_asm+0x11/0x20
[ 410.994898]
[ 410.994912] ---[ end trace 0000000000000000 ]---