[ 9.119277][ T167] ------------[ cut here ]------------
[ 9.119487][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: unshare/167
[ 9.119821][ T167] Modules linked in:
[ 9.119956][ T167] CPU: 0 UID: 0 PID: 167 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.120271][ T167] Tainted: [W]=WARN
[ 9.120373][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.120541][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.120724][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 9.121218][ T167] RSP: 0018:ffa0000000797ab0 EFLAGS: 00010286
[ 9.121389][ T167] RAX: 00000000ffffffa6 RBX: ff1100000cf64f40 RCX: 1ff40000000f2f1c
[ 9.121590][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cf64ff0
[ 9.121806][ T167] RBP: ff11000008751000 R08: 1fe22000019ec9ff R09: ff1100000d800b80
[ 9.122014][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.122219][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008751000
[ 9.122420][ T167] FS: 00007f7adbc27740(0000) GS:ff1100009b3d3000(0000) knlGS:0000000000000000
[ 9.122654][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.122928][ T167] CR2: 000055a7cc9b0310 CR3: 000000000d89d002 CR4: 0000000000771ef0
[ 9.123134][ T167] PKRU: 55555554
[ 9.123241][ T167] Call Trace:
[ 9.123408][ T167]
[ 9.123480][ T167] ? ip6_route_dev_notify+0x250/0x380
[ 9.123617][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.123758][ T167] ? notifier_call_chain+0xb0/0x320
[ 9.123918][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.124021][ T167] register_netdevice+0x137a/0x1980
[ 9.124158][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 9.124335][ T167] register_netdev+0x23/0x40
[ 9.124468][ T167] loopback_net_init+0x7d/0x150
[ 9.124604][ T167] ops_init+0x187/0x560
[ 9.124711][ T167] setup_net+0x11b/0x3b0
[ 9.124819][ T167] ? unregister_pernet_device+0x80/0x80
[ 9.124952][ T167] ? lockdep_init_map_type+0x5d/0x250
[ 9.125087][ T167] ? mutex_init_lockdep+0xf6/0x120
[ 9.125228][ T167] copy_net_ns+0x2fd/0x450
[ 9.125364][ T167] create_new_namespaces+0x371/0xa10
[ 9.125500][ T167] unshare_nsproxy_namespaces+0xa5/0x150
[ 9.125636][ T167] ksys_unshare+0x47e/0x8c0
[ 9.125784][ T167] ? walk_process_tree+0x350/0x350
[ 9.125927][ T167] __x64_sys_unshare+0x34/0x50
[ 9.126063][ T167] ? do_syscall_64+0x82/0xfc0
[ 9.126209][ T167] do_syscall_64+0x117/0xfc0
[ 9.126345][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.126481][ T167] ? exc_page_fault+0xee/0x100
[ 9.126615][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.126792][ T167] RIP: 0033:0x7f7adbd22bcb
[ 9.126936][ T167] 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
[ 9.127420][ T167] RSP: 002b:00007ffd14c37df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 9.127623][ T167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7adbd22bcb
[ 9.127836][ T167] RDX: 0000000000000000 RSI: 00007ffd14c37b60 RDI: 0000000040000000
[ 9.128036][ T167] RBP: 00007ffd14c38180 R08: 00007ffd14c37d50 R09: 0000000000000000
[ 9.128244][ T167] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 9.128443][ T167] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055a7cc9b3b68
[ 9.128651][ T167]
[ 9.128758][ T167] irq event stamp: 14369
[ 9.128867][ T167] hardirqs last enabled at (14379): [] __up_console_sem+0x5a/0x70
[ 9.129103][ T167] hardirqs last disabled at (14386): [] __up_console_sem+0x3f/0x70
[ 9.129349][ T167] softirqs last enabled at (14112): [] handle_softirqs+0x611/0x940
[ 9.129593][ T167] softirqs last disabled at (14079): [] __irq_exit_rcu+0x103/0x1c0
[ 9.129836][ T167] ---[ end trace 0000000000000000 ]---
[ 9.153185][ T167] ------------[ cut here ]------------
[ 9.153354][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/167
[ 9.153603][ T167] Modules linked in:
[ 9.153708][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.153997][ T167] Tainted: [W]=WARN
[ 9.154092][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.154253][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.154417][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 9.154872][ T167] RSP: 0018:ffa0000000797b58 EFLAGS: 00010286
[ 9.155031][ T167] RAX: 00000000ffffffa6 RBX: ff110000057e4c40 RCX: 1ff40000000f2f31
[ 9.155224][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000057e4cf0
[ 9.155410][ T167] RBP: ff11000005184000 R08: 1fe2200000afc99f R09: ff1100000d800b58
[ 9.155598][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.155794][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005184000
[ 9.155986][ T167] FS: 00000000051f4400(0000) GS:ff1100009b3d3000(0000) knlGS:0000000000000000
[ 9.156209][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.156366][ T167] CR2: 00007f9a9e657000 CR3: 000000000d4f7003 CR4: 0000000000771ef0
[ 9.156559][ T167] PKRU: 55555554
[ 9.156651][ T167] Call Trace:
[ 9.156750][ T167]
[ 9.157211][ T167] ? ip6_route_dev_notify+0x3d/0x380
[ 9.157338][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.157462][ T167] ? notifier_call_chain+0xb0/0x320
[ 9.157588][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.157687][ T167] register_netdevice+0x137a/0x1980
[ 9.157825][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 9.157979][ T167] ? alloc_netdev_mqs+0xec0/0x1410
[ 9.158109][ T167] tun_set_iff.constprop.0+0xc61/0x1850
[ 9.158241][ T167] ? tun_attach.isra.0+0x1630/0x1630
[ 9.158365][ T167] ? tun_get+0x106/0x240
[ 9.158461][ T167] __tun_chr_ioctl+0x4b0/0x2470
[ 9.158586][ T167] ? build_open_flags+0x620/0x620
[ 9.158720][ T167] ? tun_chr_read_iter+0x210/0x210
[ 9.158847][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 9.158973][ T167] ? __x64_sys_openat+0x10e/0x210
[ 9.159098][ T167] ? fput_close_sync+0xde/0x1b0
[ 9.159232][ T167] ? __ia32_sys_open+0x1b0/0x1b0
[ 9.159356][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.159483][ T167] do_syscall_64+0x117/0xfc0
[ 9.159610][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.159739][ T167] ? exc_page_fault+0xee/0x100
[ 9.159868][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.160020][ T167] RIP: 0033:0x47cc8d
[ 9.160120][ T167] 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
[ 9.160568][ T167] RSP: 002b:00007fff44aeb1b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.160762][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.160957][ T167] RDX: 00007fff44aeb230 RSI: 00000000400454ca RDI: 0000000000000005
[ 9.161146][ T167] RBP: 00007fff44aeb200 R08: 0000000000000000 R09: 0000000000000000
[ 9.161336][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff44aeb708
[ 9.161520][ T167] R13: 00007fff44aeb790 R14: 0000000000000002 R15: 0000000000543540
[ 9.161714][ T167]
[ 9.161812][ T167] irq event stamp: 34491
[ 9.161905][ T167] hardirqs last enabled at (34499): [] __up_console_sem+0x5a/0x70
[ 9.162121][ T167] hardirqs last disabled at (34506): [] __up_console_sem+0x3f/0x70
[ 9.162338][ T167] softirqs last enabled at (34224): [] handle_softirqs+0x611/0x940
[ 9.162552][ T167] softirqs last disabled at (33469): [] __irq_exit_rcu+0x103/0x1c0
[ 9.162774][ T167] ---[ end trace 0000000000000000 ]---
[ 9.163189][ T167] ------------[ cut here ]------------
[ 9.163311][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/167
[ 9.163549][ T167] Modules linked in:
[ 9.163644][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.163932][ T167] Tainted: [W]=WARN
[ 9.164025][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.164208][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.164367][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 9.164809][ T167] RSP: 0018:ffa0000000797c58 EFLAGS: 00010286
[ 9.164963][ T167] RAX: 00000000ffffffa6 RBX: ff110000057e5540 RCX: 1ff40000000f2f51
[ 9.165146][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000057e55f0
[ 9.165333][ T167] RBP: ff11000005184000 R08: 1fe2200000afcabf R09: ff1100000d800b58
[ 9.165513][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[ 9.165701][ T167] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[ 9.165896][ T167] FS: 00000000051f4400(0000) GS:ff1100009b3d3000(0000) knlGS:0000000000000000
[ 9.166113][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.166270][ T167] CR2: 00007f9a9e657000 CR3: 000000000d4f7003 CR4: 0000000000771ef0
[ 9.166454][ T167] PKRU: 55555554
[ 9.166545][ T167] Call Trace:
[ 9.166636][ T167]
[ 9.166705][ T167] ? rcu_is_watching+0x15/0xd0
[ 9.166835][ T167] rtnetlink_event+0xe0/0x1f0
[ 9.166958][ T167] notifier_call_chain+0xb0/0x320
[ 9.167088][ T167] netdev_update_features+0xa9/0xb0
[ 9.167215][ T167] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 9.167375][ T167] __tun_chr_ioctl+0xc7f/0x2470
[ 9.167500][ T167] ? tun_chr_read_iter+0x210/0x210
[ 9.167624][ T167] ? fd_install+0x19b/0x3d0
[ 9.167755][ T167] ? update_socket_protocol+0x10/0x10
[ 9.167885][ T167] ? alloc_file_clone+0xe0/0xe0
[ 9.168010][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.168136][ T167] do_syscall_64+0x117/0xfc0
[ 9.168263][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.168387][ T167] ? exc_page_fault+0xee/0x100
[ 9.168511][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.168663][ T167] RIP: 0033:0x47cc8d
[ 9.168766][ T167] 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
[ 9.169222][ T167] RSP: 002b:00007fff44aeb1f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.169407][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.169588][ T167] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 9.169777][ T167] RBP: 00007fff44aeb240 R08: 0000000000000005 R09: 0000000000001ff0
[ 9.169960][ T167] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fff44aeb708
[ 9.170144][ T167] R13: 00007fff44aeb790 R14: 0000000000000002 R15: 0000000000543540
[ 9.170338][ T167]
[ 9.170429][ T167] irq event stamp: 35173
[ 9.170520][ T167] hardirqs last enabled at (35181): [] __up_console_sem+0x5a/0x70
[ 9.170737][ T167] hardirqs last disabled at (35188): [] __up_console_sem+0x3f/0x70
[ 9.170955][ T167] softirqs last enabled at (34916): [] handle_softirqs+0x611/0x940
[ 9.171172][ T167] softirqs last disabled at (34911): [] __irq_exit_rcu+0x103/0x1c0
[ 9.171384][ T167] ---[ end trace 0000000000000000 ]---
[ 9.171871][ T167] ------------[ cut here ]------------
[ 9.172003][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/167
[ 9.172274][ T167] Modules linked in:
[ 9.172374][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.172678][ T167] Tainted: [W]=WARN
[ 9.172784][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.172952][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.173124][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 9.173623][ T167] RSP: 0018:ffa0000000797850 EFLAGS: 00010286
[ 9.173802][ T167] RAX: 00000000ffffffa6 RBX: ff110000057e5b40 RCX: 1ff40000000f2ed0
[ 9.173999][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000057e5bf0
[ 9.174204][ T167] RBP: ff11000005184000 R08: 1fe2200000afcb7f R09: ff1100000d800b58
[ 9.174400][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[ 9.174598][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005818900
[ 9.174812][ T167] FS: 00000000051f4400(0000) GS:ff1100009b3d3000(0000) knlGS:0000000000000000
[ 9.175047][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.175216][ T167] CR2: 00007f9a9e657000 CR3: 000000000d4f7003 CR4: 0000000000771ef0
[ 9.175414][ T167] PKRU: 55555554
[ 9.175514][ T167] Call Trace:
[ 9.175612][ T167]
[ 9.175682][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.175819][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.175954][ T167] ? mark_held_locks+0x40/0x70
[ 9.176087][ T167] __dev_notify_flags+0x1b8/0x280
[ 9.176225][ T167] ? netif_change_name+0x8c0/0x8c0
[ 9.176358][ T167] ? __dev_change_flags+0x4a4/0x660
[ 9.176496][ T167] ? netif_set_allmulti+0x250/0x250
[ 9.176627][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 9.176764][ T167] netif_change_flags+0xfe/0x190
[ 9.176901][ T167] ? cap_capable+0x1d6/0x3e0
[ 9.177035][ T167] dev_change_flags+0xa5/0x170
[ 9.177178][ T167] devinet_ioctl+0x10f0/0x1840
[ 9.177312][ T167] ? inet_ifa_byprefix+0x220/0x220
[ 9.177444][ T167] ? _copy_from_user+0x42/0x90
[ 9.177579][ T167] inet_ioctl+0x34b/0x3a0
[ 9.177682][ T167] ? inet_dgram_connect+0x3e0/0x3e0
[ 9.177817][ T167] ? __lock_acquire+0x508/0xc10
[ 9.177956][ T167] ? __might_fault+0x97/0x140
[ 9.178089][ T167] ? __might_fault+0x97/0x140
[ 9.178228][ T167] sock_do_ioctl+0x10e/0x270
[ 9.178360][ T167] ? __sock_recv_cmsgs+0x550/0x550
[ 9.178496][ T167] ? ioctl_file_clone+0xd0/0xd0
[ 9.178632][ T167] sock_ioctl+0x3cb/0x5f0
[ 9.178738][ T167] ? br_ioctl_call+0x80/0x80
[ 9.178876][ T167] ? fd_install+0x19b/0x3d0
[ 9.179008][ T167] ? update_socket_protocol+0x10/0x10
[ 9.179138][ T167] ? alloc_file_clone+0xe0/0xe0
[ 9.179274][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.179407][ T167] do_syscall_64+0x117/0xfc0
[ 9.179540][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.179676][ T167] ? exc_page_fault+0xee/0x100
[ 9.179814][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.179977][ T167] RIP: 0033:0x47cc8d
[ 9.180081][ T167] 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
[ 9.180553][ T167] RSP: 002b:00007fff44aeb1d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.180755][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.180956][ T167] RDX: 00007fff44aeb240 RSI: 0000000000008914 RDI: 0000000000000006
[ 9.181153][ T167] RBP: 00007fff44aeb220 R08: 0000000000000005 R09: 0000000000001ff0
[ 9.181353][ T167] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fff44aeb708
[ 9.181549][ T167] R13: 00007fff44aeb790 R14: 0000000000000002 R15: 0000000000543540
[ 9.181753][ T167]
[ 9.181857][ T167] irq event stamp: 36055
[ 9.181955][ T167] hardirqs last enabled at (36063): [] __up_console_sem+0x5a/0x70
[ 9.182188][ T167] hardirqs last disabled at (36070): [] __up_console_sem+0x3f/0x70
[ 9.182415][ T167] softirqs last enabled at (35498): [] __alloc_skb+0x4c5/0x5f0
[ 9.182647][ T167] softirqs last disabled at (35496): [] __alloc_skb+0x4c5/0x5f0
[ 9.182880][ T167] ---[ end trace 0000000000000000 ]---
[ 98.954740][ T167] ------------[ cut here ]------------
[ 98.955452][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/167
[ 98.955742][ T167] Modules linked in:
[ 98.955918][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.956228][ T167] Tainted: [W]=WARN
[ 98.956332][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.956502][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.956683][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 98.957247][ T167] RSP: 0018:ffa00000007976f0 EFLAGS: 00010286
[ 98.957422][ T167] RAX: 00000000ffffffa6 RBX: ff11000009044dc0 RCX: 1ff40000000f2ea4
[ 98.957631][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009044e70
[ 98.957891][ T167] RBP: ff11000005184000 R08: 1fe22000012089cf R09: ff1100000d800b58
[ 98.958097][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[ 98.958303][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000797790
[ 98.958505][ T167] FS: 0000000000000000(0000) GS:ff1100009b3d3000(0000) knlGS:0000000000000000
[ 98.958748][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.958929][ T167] CR2: 000055643bab7170 CR3: 000000000d9cd003 CR4: 0000000000771ef0
[ 98.959134][ T167] PKRU: 55555554
[ 98.959238][ T167] Call Trace:
[ 98.959341][ T167]
[ 98.959413][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 98.959551][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 98.959656][ T167] netif_close_many+0x2ac/0x640
[ 98.959804][ T167] ? find_held_lock+0x2b/0x80
[ 98.959947][ T167] ? __dev_close_many+0x530/0x530
[ 98.960084][ T167] ? netif_close_many_and_unlock+0x22/0x2c0
[ 98.960253][ T167] unregister_netdevice_many_notify+0x671/0x19a0
[ 98.960424][ T167] ? select_fallback_rq+0x510/0x510
[ 98.960560][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 98.960750][ T167] ? find_held_lock+0x2b/0x80
[ 98.960898][ T167] ? find_held_lock+0x2b/0x80
[ 98.961035][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.961172][ T167] ? __queue_work+0x315/0xc00
[ 98.961309][ T167] unregister_netdevice_queue+0x290/0x470
[ 98.961443][ T167] ? unregister_netdevice_many+0x20/0x20
[ 98.961581][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.961723][ T167] ? queue_delayed_work_on+0x95/0x100
[ 98.961871][ T167] __tun_detach+0xf36/0x1320
[ 98.962009][ T167] tun_chr_close+0xac/0x1b0
[ 98.962145][ T167] __fput+0x363/0xac0
[ 98.962253][ T167] task_work_run+0x12b/0x240
[ 98.962389][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.962523][ T167] ? task_work_cancel+0x30/0x30
[ 98.962658][ T167] ? kmem_cache_free+0xf8/0x560
[ 98.962807][ T167] do_exit+0x614/0xdc0
[ 98.962915][ T167] ? exit_notify+0x890/0x890
[ 98.963052][ T167] ? find_held_lock+0x2b/0x80
[ 98.963187][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.963321][ T167] ? __rwlock_init+0x150/0x150
[ 98.963457][ T167] do_group_exit+0xb8/0x370
[ 98.963595][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.963776][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.963915][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.964050][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.964185][ T167] get_signal+0x172e/0x1820
[ 98.964322][ T167] ? __sys_sendto+0x2c9/0x400
[ 98.964458][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.964594][ T167] ? ptrace_signal+0x600/0x600
[ 98.964736][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.964888][ T167] ? get_sigframe_size+0x20/0x20
[ 98.965031][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.965171][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.965344][ T167] exit_to_user_mode_loop+0x86/0x520
[ 98.965480][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.965616][ T167] do_syscall_64+0x437/0xfc0
[ 98.965757][ T167] ? irq_exit_rcu+0x1a/0x30
[ 98.965903][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.966073][ T167] RIP: 0033:0x4c2d9e
[ 98.966184][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.966372][ T167] RSP: 002b:00007fff44aeab60 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.966577][ T167] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 98.966787][ T167] RDX: 0000000000000014 RSI: 00007fff44aeac40 RDI: 0000000000000007
[ 98.966997][ T167] RBP: 00007fff44aeab70 R08: 00007fff44aeac00 R09: 000000000000000c
[ 98.967201][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000051fe1d0
[ 98.967406][ T167] R13: 00007fff44aeb790 R14: 00007fff44aead30 R15: 0000000000543540
[ 98.967617][ T167]
[ 98.967725][ T167] irq event stamp: 132017613
[ 98.967873][ T167] hardirqs last enabled at (132017623): [] __up_console_sem+0x5a/0x70
[ 98.968112][ T167] hardirqs last disabled at (132017630): [] __up_console_sem+0x3f/0x70
[ 98.968348][ T167] softirqs last enabled at (132017066): [] handle_softirqs+0x611/0x940
[ 98.968582][ T167] softirqs last disabled at (132016993): [] __irq_exit_rcu+0x103/0x1c0
[ 98.968828][ T167] ---[ end trace 0000000000000000 ]---
[ 98.977097][ T167] ------------[ cut here ]------------
[ 98.977276][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/167
[ 98.977545][ T167] Modules linked in:
[ 98.977649][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.977968][ T167] Tainted: [W]=WARN
[ 98.978069][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.978249][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.978428][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 98.978917][ T167] RSP: 0018:ffa0000000797820 EFLAGS: 00010286
[ 98.979084][ T167] RAX: 00000000ffffffa6 RBX: ff11000009045cc0 RCX: 1ff40000000f2eca
[ 98.979282][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009045d70
[ 98.979480][ T167] RBP: ff11000005184000 R08: 1fe2200001208baf R09: ff1100000d800b58
[ 98.979680][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.979942][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.980141][ T167] FS: 0000000000000000(0000) GS:ff1100009b3d3000(0000) knlGS:0000000000000000
[ 98.980374][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.980543][ T167] CR2: 000055643bab7170 CR3: 000000000d9cd003 CR4: 0000000000771ef0
[ 98.980746][ T167] PKRU: 55555554
[ 98.980856][ T167] Call Trace:
[ 98.980955][ T167]
[ 98.981024][ T167] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.981197][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 98.981362][ T167] ? find_held_lock+0x2b/0x80
[ 98.981496][ T167] ? find_held_lock+0x2b/0x80
[ 98.981630][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.981817][ T167] ? __queue_work+0x315/0xc00
[ 98.981960][ T167] unregister_netdevice_queue+0x290/0x470
[ 98.982093][ T167] ? unregister_netdevice_many+0x20/0x20
[ 98.982226][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.982362][ T167] ? queue_delayed_work_on+0x95/0x100
[ 98.982495][ T167] __tun_detach+0xf36/0x1320
[ 98.982632][ T167] tun_chr_close+0xac/0x1b0
[ 98.982776][ T167] __fput+0x363/0xac0
[ 98.982892][ T167] task_work_run+0x12b/0x240
[ 98.983024][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.983159][ T167] ? task_work_cancel+0x30/0x30
[ 98.983292][ T167] ? kmem_cache_free+0xf8/0x560
[ 98.983429][ T167] do_exit+0x614/0xdc0
[ 98.983531][ T167] ? exit_notify+0x890/0x890
[ 98.983666][ T167] ? find_held_lock+0x2b/0x80
[ 98.983808][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.983956][ T167] ? __rwlock_init+0x150/0x150
[ 98.984091][ T167] do_group_exit+0xb8/0x370
[ 98.984223][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.984386][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.984517][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.984650][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.984796][ T167] get_signal+0x172e/0x1820
[ 98.984938][ T167] ? __sys_sendto+0x2c9/0x400
[ 98.985073][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.985206][ T167] ? ptrace_signal+0x600/0x600
[ 98.985341][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.985475][ T167] ? get_sigframe_size+0x20/0x20
[ 98.985612][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.985746][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.985920][ T167] exit_to_user_mode_loop+0x86/0x520
[ 98.986052][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.986196][ T167] do_syscall_64+0x437/0xfc0
[ 98.986334][ T167] ? irq_exit_rcu+0x1a/0x30
[ 98.986467][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.986638][ T167] RIP: 0033:0x4c2d9e
[ 98.986748][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.986927][ T167] RSP: 002b:00007fff44aeab60 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.987148][ T167] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 98.987347][ T167] RDX: 0000000000000014 RSI: 00007fff44aeac40 RDI: 0000000000000007
[ 98.987548][ T167] RBP: 00007fff44aeab70 R08: 00007fff44aeac00 R09: 000000000000000c
[ 98.987748][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000051fe1d0
[ 98.987957][ T167] R13: 00007fff44aeb790 R14: 00007fff44aead30 R15: 0000000000543540
[ 98.988177][ T167]
[ 98.988281][ T167] irq event stamp: 132026307
[ 98.988413][ T167] hardirqs last enabled at (132026315): [] __up_console_sem+0x5a/0x70
[ 98.988649][ T167] hardirqs last disabled at (132026322): [] __up_console_sem+0x3f/0x70
[ 98.988899][ T167] softirqs last enabled at (132025834): [] handle_softirqs+0x611/0x940
[ 98.989130][ T167] softirqs last disabled at (132025741): [] __irq_exit_rcu+0x103/0x1c0
[ 98.989363][ T167] ---[ end trace 0000000000000000 ]---
[ 99.003962][ T12] ------------[ cut here ]------------
[ 99.004154][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: kworker/u16:0/12
[ 99.004441][ T12] Modules linked in:
[ 99.004568][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.004918][ T12] Tainted: [W]=WARN
[ 99.005012][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.005170][ T12] Workqueue: netns cleanup_net
[ 99.005324][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.005492][ T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 99.006000][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 99.006160][ T12] RAX: 00000000ffffffa6 RBX: ff1100000a3c3cc0 RCX: 1ff4000000018ed5
[ 99.006345][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a3c3d70
[ 99.006529][ T12] RBP: ff11000008751000 R08: 1fe22000014787af R09: ff11000001afd1d0
[ 99.006748][ T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 99.006961][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 99.007146][ T12] FS: 0000000000000000(0000) GS:ff1100009b453000(0000) knlGS:0000000000000000
[ 99.007365][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.007519][ T12] CR2: 00007f32a14ee6f0 CR3: 000000000c827004 CR4: 0000000000771ef0
[ 99.007710][ T12] PKRU: 55555554
[ 99.007810][ T12] Call Trace:
[ 99.007908][ T12]
[ 99.007973][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 99.008133][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 99.008287][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 99.008414][ T12] default_device_exit_batch+0x38b/0x600
[ 99.008537][ T12] ? generic_xdp_install+0x400/0x400
[ 99.008671][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 99.008803][ T12] ? unregister_netdev+0x60/0x60
[ 99.008932][ T12] ? rtnl_is_locked+0x15/0x20
[ 99.009055][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 99.009180][ T12] ops_undo_list+0x2ce/0x8f0
[ 99.009306][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 99.009429][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.009558][ T12] cleanup_net+0x431/0x890
[ 99.009684][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 99.009813][ T12] ? process_one_work+0xdb7/0x1410
[ 99.009943][ T12] ? lock_acquire+0x134/0x160
[ 99.010066][ T12] ? rcu_is_watching+0x15/0xd0
[ 99.010198][ T12] process_one_work+0xdf8/0x1410
[ 99.010325][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 99.010449][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 99.010578][ T12] worker_thread+0x4f1/0xd60
[ 99.010712][ T12] ? rescuer_thread+0x1320/0x1320
[ 99.010847][ T12] kthread+0x367/0x460
[ 99.010941][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.011112][ T12] ? kthread_affine_node+0x330/0x330
[ 99.011237][ T12] ret_from_fork+0x474/0x6b0
[ 99.011364][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 99.011520][ T12] ? __switch_to+0x5a3/0xe00
[ 99.011644][ T12] ? kthread_affine_node+0x330/0x330
[ 99.011776][ T12] ret_from_fork_asm+0x11/0x20
[ 99.011912][ T12]
[ 99.012003][ T12] irq event stamp: 2663
[ 99.012096][ T12] hardirqs last enabled at (2671): [] __up_console_sem+0x5a/0x70
[ 99.012311][ T12] hardirqs last disabled at (2678): [] __up_console_sem+0x3f/0x70
[ 99.012525][ T12] softirqs last enabled at (2298): [] handle_softirqs+0x611/0x940
[ 99.012739][ T12] softirqs last disabled at (2247): [] __irq_exit_rcu+0x103/0x1c0
[ 99.012962][ T12] ---[ end trace 0000000000000000 ]---