[ 8.778566][ T167] ------------[ cut here ]------------
[ 8.778814][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: unshare/167
[ 8.779097][ T167] Modules linked in:
[ 8.779228][ T167] CPU: 0 UID: 0 PID: 167 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.779532][ T167] Tainted: [W]=WARN
[ 8.779637][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.779806][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.779991][ 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
[ 8.780481][ T167] RSP: 0018:ffa0000000807ab0 EFLAGS: 00010286
[ 8.780654][ T167] RAX: 00000000ffffffa6 RBX: ff1100000ae4d240 RCX: 1ff4000000100f1c
[ 8.780858][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ae4d2f0
[ 8.781066][ T167] RBP: ff110000025bc000 R08: 1fe22000015c9a5f R09: ff11000004dd8b80
[ 8.781270][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.781477][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000025bc000
[ 8.781684][ T167] FS: 00007f4982899740(0000) GS:ff110000a5bd3000(0000) knlGS:0000000000000000
[ 8.781924][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.782100][ T167] CR2: 000055dcc0820310 CR3: 0000000004bbc003 CR4: 0000000000771ef0
[ 8.782310][ T167] PKRU: 55555554
[ 8.782413][ T167] Call Trace:
[ 8.782515][ T167]
[ 8.782586][ T167] ? ip6_route_dev_notify+0x250/0x380
[ 8.782725][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.782861][ T167] ? notifier_call_chain+0xb0/0x320
[ 8.783004][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 8.783112][ T167] register_netdevice+0x137a/0x1980
[ 8.783249][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 8.783426][ T167] register_netdev+0x23/0x40
[ 8.783560][ T167] loopback_net_init+0x7d/0x150
[ 8.783699][ T167] ops_init+0x187/0x560
[ 8.783808][ T167] setup_net+0x11b/0x3b0
[ 8.783913][ T167] ? unregister_pernet_device+0x80/0x80
[ 8.784055][ T167] ? lockdep_init_map_type+0x5d/0x250
[ 8.784193][ T167] ? mutex_init_lockdep+0xf6/0x120
[ 8.784337][ T167] copy_net_ns+0x2fd/0x450
[ 8.784476][ T167] create_new_namespaces+0x371/0xa10
[ 8.784614][ T167] unshare_nsproxy_namespaces+0xa5/0x150
[ 8.784750][ T167] ksys_unshare+0x47e/0x8c0
[ 8.784888][ T167] ? walk_process_tree+0x350/0x350
[ 8.785032][ T167] __x64_sys_unshare+0x34/0x50
[ 8.785167][ T167] ? do_syscall_64+0x82/0xfc0
[ 8.785308][ T167] do_syscall_64+0x117/0xfc0
[ 8.785442][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.785579][ T167] ? exc_page_fault+0xee/0x100
[ 8.785712][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.785878][ T167] RIP: 0033:0x7f4982994bcb
[ 8.786025][ 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
[ 8.786505][ T167] RSP: 002b:00007fffa6a16788 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 8.786710][ T167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4982994bcb
[ 8.786912][ T167] RDX: 0000000000000000 RSI: 00007fffa6a164f0 RDI: 0000000040000000
[ 8.787126][ T167] RBP: 00007fffa6a16b10 R08: 00007fffa6a166e0 R09: 0000000000000000
[ 8.787334][ T167] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 8.787533][ T167] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055dcc0823b68
[ 8.787740][ T167]
[ 8.787842][ T167] irq event stamp: 29507
[ 8.787944][ T167] hardirqs last enabled at (29515): [] __up_console_sem+0x5a/0x70
[ 8.788181][ T167] hardirqs last disabled at (29522): [] __up_console_sem+0x3f/0x70
[ 8.788421][ T167] softirqs last enabled at (29016): [] __alloc_skb+0x4c5/0x5f0
[ 8.788652][ T167] softirqs last disabled at (29014): [] __alloc_skb+0x4c5/0x5f0
[ 8.788886][ T167] ---[ end trace 0000000000000000 ]---
[ 8.805990][ T167] ------------[ cut here ]------------
[ 8.806151][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/167
[ 8.806412][ T167] Modules linked in:
[ 8.806513][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.806795][ T167] Tainted: [W]=WARN
[ 8.806889][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.807051][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.807213][ 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
[ 8.807659][ T167] RSP: 0018:ffa0000000807b58 EFLAGS: 00010286
[ 8.807816][ T167] RAX: 00000000ffffffa6 RBX: ff11000004e999c0 RCX: 1ff4000000100f31
[ 8.808005][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e99a70
[ 8.808190][ T167] RBP: ff1100000aeec000 R08: 1fe22000009d334f R09: ff11000004dd8b58
[ 8.808381][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.808567][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aeec000
[ 8.808755][ T167] FS: 00000000334ec400(0000) GS:ff110000a5bd3000(0000) knlGS:0000000000000000
[ 8.808975][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.809130][ T167] CR2: 00007ff3c4204000 CR3: 0000000004bb6004 CR4: 0000000000771ef0
[ 8.809323][ T167] PKRU: 55555554
[ 8.809417][ T167] Call Trace:
[ 8.809511][ T167]
[ 8.809575][ T167] ? ip6_route_dev_notify+0x3d/0x380
[ 8.809700][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.809823][ T167] ? notifier_call_chain+0xb0/0x320
[ 8.809947][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 8.810049][ T167] register_netdevice+0x137a/0x1980
[ 8.810176][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 8.810335][ T167] ? alloc_netdev_mqs+0xec0/0x1410
[ 8.810464][ T167] tun_set_iff.constprop.0+0xc61/0x1850
[ 8.810590][ T167] ? tun_attach.isra.0+0x1630/0x1630
[ 8.810715][ T167] ? tun_get+0x106/0x240
[ 8.810811][ T167] __tun_chr_ioctl+0x4b0/0x2470
[ 8.810934][ T167] ? build_open_flags+0x620/0x620
[ 8.811064][ T167] ? tun_chr_read_iter+0x210/0x210
[ 8.811190][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 8.811616][ T167] ? __x64_sys_openat+0x10e/0x210
[ 8.811742][ T167] ? fput_close_sync+0xde/0x1b0
[ 8.811867][ T167] ? __ia32_sys_open+0x1b0/0x1b0
[ 8.811996][ T167] __x64_sys_ioctl+0x11a/0x190
[ 8.812123][ T167] do_syscall_64+0x117/0xfc0
[ 8.812247][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.812383][ T167] ? exc_page_fault+0xee/0x100
[ 8.812508][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.812662][ T167] RIP: 0033:0x47cc8d
[ 8.812763][ 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
[ 8.813207][ T167] RSP: 002b:00007fffe70ba470 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.813400][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.813585][ T167] RDX: 00007fffe70ba4f0 RSI: 00000000400454ca RDI: 0000000000000005
[ 8.813769][ T167] RBP: 00007fffe70ba4c0 R08: 0000000000000000 R09: 0000000000000000
[ 8.813954][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffe70ba9c8
[ 8.814146][ T167] R13: 00007fffe70baa50 R14: 0000000000000002 R15: 0000000000543540
[ 8.814341][ T167]
[ 8.814435][ T167] irq event stamp: 43219
[ 8.814529][ T167] hardirqs last enabled at (43227): [] __up_console_sem+0x5a/0x70
[ 8.814745][ T167] hardirqs last disabled at (43234): [] __up_console_sem+0x3f/0x70
[ 8.814965][ T167] softirqs last enabled at (43068): [] handle_softirqs+0x611/0x940
[ 8.815181][ T167] softirqs last disabled at (42467): [] __irq_exit_rcu+0x103/0x1c0
[ 8.815401][ T167] ---[ end trace 0000000000000000 ]---
[ 8.815821][ T167] ------------[ cut here ]------------
[ 8.815947][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/167
[ 8.816195][ T167] Modules linked in:
[ 8.816298][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.816576][ T167] Tainted: [W]=WARN
[ 8.816670][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.816825][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.816991][ 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
[ 8.817431][ T167] RSP: 0018:ffa0000000807c58 EFLAGS: 00010286
[ 8.817586][ T167] RAX: 00000000ffffffa6 RBX: ff11000004e99840 RCX: 1ff4000000100f51
[ 8.817774][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e998f0
[ 8.817957][ T167] RBP: ff1100000aeec000 R08: 1fe22000009d331f R09: ff11000004dd8b58
[ 8.818145][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[ 8.818333][ T167] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[ 8.818520][ T167] FS: 00000000334ec400(0000) GS:ff110000a5bd3000(0000) knlGS:0000000000000000
[ 8.818738][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.818893][ T167] CR2: 00007ff3c4204000 CR3: 0000000004bb6004 CR4: 0000000000771ef0
[ 8.819082][ T167] PKRU: 55555554
[ 8.819173][ T167] Call Trace:
[ 8.819264][ T167]
[ 8.819336][ T167] ? rcu_is_watching+0x15/0xd0
[ 8.819461][ T167] rtnetlink_event+0xe0/0x1f0
[ 8.819585][ T167] notifier_call_chain+0xb0/0x320
[ 8.819710][ T167] netdev_update_features+0xa9/0xb0
[ 8.819834][ T167] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 8.819998][ T167] __tun_chr_ioctl+0xc7f/0x2470
[ 8.820124][ T167] ? tun_chr_read_iter+0x210/0x210
[ 8.820251][ T167] ? fd_install+0x19b/0x3d0
[ 8.820385][ T167] ? update_socket_protocol+0x10/0x10
[ 8.820509][ T167] ? alloc_file_clone+0xe0/0xe0
[ 8.820636][ T167] __x64_sys_ioctl+0x11a/0x190
[ 8.820761][ T167] do_syscall_64+0x117/0xfc0
[ 8.820885][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.821017][ T167] ? exc_page_fault+0xee/0x100
[ 8.821141][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.821301][ T167] RIP: 0033:0x47cc8d
[ 8.821400][ 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
[ 8.821837][ T167] RSP: 002b:00007fffe70ba4b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.822029][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.822213][ T167] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 8.822403][ T167] RBP: 00007fffe70ba500 R08: 0000000000000005 R09: 00000000000003a0
[ 8.822588][ T167] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fffe70ba9c8
[ 8.822771][ T167] R13: 00007fffe70baa50 R14: 0000000000000002 R15: 0000000000543540
[ 8.822967][ T167]
[ 8.823060][ T167] irq event stamp: 43891
[ 8.823153][ T167] hardirqs last enabled at (43899): [] __up_console_sem+0x5a/0x70
[ 8.823373][ T167] hardirqs last disabled at (43908): [] __up_console_sem+0x3f/0x70
[ 8.823590][ T167] softirqs last enabled at (43474): [] __alloc_skb+0x4c5/0x5f0
[ 8.823804][ T167] softirqs last disabled at (43472): [] __alloc_skb+0x4c5/0x5f0
[ 8.824022][ T167] ---[ end trace 0000000000000000 ]---
[ 8.824515][ T167] ------------[ cut here ]------------
[ 8.824648][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/167
[ 8.824906][ T167] Modules linked in:
[ 8.825010][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.825566][ T167] Tainted: [W]=WARN
[ 8.825668][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.825832][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.826006][ 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
[ 8.826482][ T167] RSP: 0018:ffa0000000807850 EFLAGS: 00010286
[ 8.826648][ T167] RAX: 00000000ffffffa6 RBX: ff11000004e99240 RCX: 1ff4000000100ed0
[ 8.826844][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e992f0
[ 8.827049][ T167] RBP: ff1100000aeec000 R08: 1fe22000009d325f R09: ff11000004dd8b58
[ 8.827246][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[ 8.827450][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000057d8900
[ 8.827649][ T167] FS: 00000000334ec400(0000) GS:ff110000a5bd3000(0000) knlGS:0000000000000000
[ 8.827881][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.828051][ T167] CR2: 00007ff3c4204000 CR3: 0000000004bb6004 CR4: 0000000000771ef0
[ 8.828250][ T167] PKRU: 55555554
[ 8.828356][ T167] Call Trace:
[ 8.828454][ T167]
[ 8.828523][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.828657][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 8.828759][ T167] ? mark_held_locks+0x40/0x70
[ 8.828890][ T167] __dev_notify_flags+0x1b8/0x280
[ 8.829025][ T167] ? netif_change_name+0x8c0/0x8c0
[ 8.829157][ T167] ? __dev_change_flags+0x4a4/0x660
[ 8.829297][ T167] ? netif_set_allmulti+0x250/0x250
[ 8.829429][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 8.829563][ T167] netif_change_flags+0xfe/0x190
[ 8.829695][ T167] ? cap_capable+0x1d6/0x3e0
[ 8.829830][ T167] dev_change_flags+0xa5/0x170
[ 8.829967][ T167] devinet_ioctl+0x10f0/0x1840
[ 8.830103][ T167] ? inet_ifa_byprefix+0x220/0x220
[ 8.830234][ T167] ? _copy_from_user+0x42/0x90
[ 8.830372][ T167] inet_ioctl+0x34b/0x3a0
[ 8.830490][ T167] ? inet_dgram_connect+0x3e0/0x3e0
[ 8.830622][ T167] ? __lock_acquire+0x508/0xc10
[ 8.830762][ T167] ? __might_fault+0x97/0x140
[ 8.830897][ T167] ? __might_fault+0x97/0x140
[ 8.831038][ T167] sock_do_ioctl+0x10e/0x270
[ 8.831171][ T167] ? __sock_recv_cmsgs+0x550/0x550
[ 8.831310][ T167] ? ioctl_file_clone+0xd0/0xd0
[ 8.831445][ T167] sock_ioctl+0x3cb/0x5f0
[ 8.831547][ T167] ? br_ioctl_call+0x80/0x80
[ 8.831682][ T167] ? fd_install+0x19b/0x3d0
[ 8.831817][ T167] ? update_socket_protocol+0x10/0x10
[ 8.831949][ T167] ? alloc_file_clone+0xe0/0xe0
[ 8.832086][ T167] __x64_sys_ioctl+0x11a/0x190
[ 8.832219][ T167] do_syscall_64+0x117/0xfc0
[ 8.832358][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.832489][ T167] ? exc_page_fault+0xee/0x100
[ 8.832620][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.832785][ T167] RIP: 0033:0x47cc8d
[ 8.832889][ 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
[ 8.833366][ T167] RSP: 002b:00007fffe70ba490 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.833564][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.833762][ T167] RDX: 00007fffe70ba500 RSI: 0000000000008914 RDI: 0000000000000006
[ 8.833962][ T167] RBP: 00007fffe70ba4e0 R08: 0000000000000005 R09: 00000000000003a0
[ 8.834159][ T167] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fffe70ba9c8
[ 8.834363][ T167] R13: 00007fffe70baa50 R14: 0000000000000002 R15: 0000000000543540
[ 8.834567][ T167]
[ 8.834666][ T167] irq event stamp: 45227
[ 8.834765][ T167] hardirqs last enabled at (45235): [] __up_console_sem+0x5a/0x70
[ 8.834996][ T167] hardirqs last disabled at (45242): [] __up_console_sem+0x3f/0x70
[ 8.835222][ T167] softirqs last enabled at (44738): [] handle_softirqs+0x611/0x940
[ 8.835458][ T167] softirqs last disabled at (44297): [] __irq_exit_rcu+0x103/0x1c0
[ 8.835684][ T167] ---[ end trace 0000000000000000 ]---
[ 98.623020][ T167] ------------[ cut here ]------------
[ 98.623226][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/167
[ 98.623574][ T167] Modules linked in:
[ 98.623686][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.624043][ T167] Tainted: [W]=WARN
[ 98.624171][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.624404][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.624582][ 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
[ 98.625127][ T167] RSP: 0018:ffa00000008076f0 EFLAGS: 00010286
[ 98.625361][ T167] RAX: 00000000ffffffa6 RBX: ff1100000b87d0c0 RCX: 1ff4000000100ea4
[ 98.625562][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b87d170
[ 98.625873][ T167] RBP: ff1100000aeec000 R08: 1fe220000170fa2f R09: ff11000004dd8b58
[ 98.626078][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[ 98.626283][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000807790
[ 98.626574][ T167] FS: 0000000000000000(0000) GS:ff110000a5bd3000(0000) knlGS:0000000000000000
[ 98.626812][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.626989][ T167] CR2: 00007f9e024dd6f0 CR3: 0000000033139001 CR4: 0000000000771ef0
[ 98.627199][ T167] PKRU: 55555554
[ 98.627376][ T167] Call Trace:
[ 98.627482][ T167]
[ 98.627555][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 98.627696][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 98.627801][ T167] netif_close_many+0x2ac/0x640
[ 98.627943][ T167] ? find_held_lock+0x2b/0x80
[ 98.628081][ T167] ? __dev_close_many+0x530/0x530
[ 98.628214][ T167] ? netif_close_many_and_unlock+0x22/0x2c0
[ 98.628724][ T167] unregister_netdevice_many_notify+0x671/0x19a0
[ 98.628888][ T167] ? select_fallback_rq+0x510/0x510
[ 98.629022][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 98.629189][ T167] ? find_held_lock+0x2b/0x80
[ 98.629425][ T167] ? find_held_lock+0x2b/0x80
[ 98.629558][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.629690][ T167] ? __queue_work+0x315/0xc00
[ 98.629829][ T167] unregister_netdevice_queue+0x290/0x470
[ 98.630090][ T167] ? unregister_netdevice_many+0x20/0x20
[ 98.630225][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.630606][ T167] ? queue_delayed_work_on+0x95/0x100
[ 98.630777][ T167] __tun_detach+0xf36/0x1320
[ 98.630922][ T167] tun_chr_close+0xac/0x1b0
[ 98.631058][ T167] __fput+0x363/0xac0
[ 98.631163][ T167] task_work_run+0x12b/0x240
[ 98.631499][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.631635][ T167] ? task_work_cancel+0x30/0x30
[ 98.631768][ T167] ? kmem_cache_free+0xf8/0x560
[ 98.631908][ T167] do_exit+0x614/0xdc0
[ 98.632017][ T167] ? exit_notify+0x890/0x890
[ 98.632151][ T167] ? find_held_lock+0x2b/0x80
[ 98.632390][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.632522][ T167] ? __rwlock_init+0x150/0x150
[ 98.632743][ T167] do_group_exit+0xb8/0x370
[ 98.632899][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.633159][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.633368][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.633507][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.633664][ T167] get_signal+0x172e/0x1820
[ 98.633801][ T167] ? __raw_spin_lock_init+0x44/0x120
[ 98.634023][ T167] ? mark_usage+0x61/0x170
[ 98.634161][ T167] ? __lock_acquire+0x508/0xc10
[ 98.634516][ T167] ? ptrace_signal+0x600/0x600
[ 98.634658][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 98.634795][ T167] ? find_held_lock+0x2b/0x80
[ 98.635024][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.635164][ T167] ? fd_install+0x18c/0x3d0
[ 98.635384][ T167] ? get_sigframe_size+0x20/0x20
[ 98.635524][ T167] ? update_socket_protocol+0x10/0x10
[ 98.635664][ T167] ? alloc_file_clone+0xe0/0xe0
[ 98.635800][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.636028][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.636199][ T167] exit_to_user_mode_loop+0x86/0x520
[ 98.636411][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.636548][ T167] do_syscall_64+0x437/0xfc0
[ 98.636686][ T167] ? irq_exit_rcu+0x1a/0x30
[ 98.636823][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.637082][ T167] RIP: 0033:0x47ea2b
[ 98.637195][ T167] Code: Unable to access opcode bytes at 0x47ea01.
[ 98.637492][ T167] RSP: 002b:00007fffe70b9f18 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 98.637703][ T167] RAX: 0000000000000007 RBX: 00007fffe70b9ff0 RCX: 000000000047ea2b
[ 98.637909][ T167] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010
[ 98.638114][ T167] RBP: 00007fffe70b9f50 R08: 0000000000000041 R09: 00000000334ed3e0
[ 98.638405][ T167] R10: 0000000000000040 R11: 0000000000000202 R12: 00007fffe70ba9c8
[ 98.638613][ T167] R13: 00007fffe70baa50 R14: 00007fffe70ba4c8 R15: 0000000000543540
[ 98.638824][ T167]
[ 98.638927][ T167] irq event stamp: 134291397
[ 98.639063][ T167] hardirqs last enabled at (134291405): [] __up_console_sem+0x5a/0x70
[ 98.639403][ T167] hardirqs last disabled at (134291522): [] __up_console_sem+0x3f/0x70
[ 98.639641][ T167] softirqs last enabled at (134291520): [] handle_softirqs+0x611/0x940
[ 98.639878][ T167] softirqs last disabled at (134291413): [] __irq_exit_rcu+0x103/0x1c0
[ 98.640118][ T167] ---[ end trace 0000000000000000 ]---
[ 98.657681][ T167] ------------[ cut here ]------------
[ 98.657848][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/167
[ 98.658111][ T167] Modules linked in:
[ 98.658261][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.658692][ T167] Tainted: [W]=WARN
[ 98.658796][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.658978][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.659148][ 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
[ 98.659637][ T167] RSP: 0018:ffa0000000807820 EFLAGS: 00010286
[ 98.659800][ T167] RAX: 00000000ffffffa6 RBX: ff11000005e33cc0 RCX: 1ff4000000100eca
[ 98.660012][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005e33d70
[ 98.660212][ T167] RBP: ff1100000aeec000 R08: 1fe2200000bc67af R09: ff11000004dd8b58
[ 98.660437][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.660629][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.660821][ T167] FS: 0000000000000000(0000) GS:ff110000a5bd3000(0000) knlGS:0000000000000000
[ 98.661045][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.661208][ T167] CR2: 00007f9e024dd6f0 CR3: 0000000033139001 CR4: 0000000000771ef0
[ 98.661434][ T167] PKRU: 55555554
[ 98.661534][ T167] Call Trace:
[ 98.661632][ T167]
[ 98.661721][ T167] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.661893][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 98.662050][ T167] ? find_held_lock+0x2b/0x80
[ 98.662176][ T167] ? find_held_lock+0x2b/0x80
[ 98.662316][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.662444][ T167] ? __queue_work+0x315/0xc00
[ 98.662597][ T167] unregister_netdevice_queue+0x290/0x470
[ 98.662736][ T167] ? unregister_netdevice_many+0x20/0x20
[ 98.662873][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.663000][ T167] ? queue_delayed_work_on+0x95/0x100
[ 98.663128][ T167] __tun_detach+0xf36/0x1320
[ 98.663264][ T167] tun_chr_close+0xac/0x1b0
[ 98.663401][ T167] __fput+0x363/0xac0
[ 98.663524][ T167] task_work_run+0x12b/0x240
[ 98.663654][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.663800][ T167] ? task_work_cancel+0x30/0x30
[ 98.663956][ T167] ? kmem_cache_free+0xf8/0x560
[ 98.664090][ T167] do_exit+0x614/0xdc0
[ 98.664189][ T167] ? exit_notify+0x890/0x890
[ 98.664329][ T167] ? find_held_lock+0x2b/0x80
[ 98.664470][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.664633][ T167] ? __rwlock_init+0x150/0x150
[ 98.664760][ T167] do_group_exit+0xb8/0x370
[ 98.664906][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.665069][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.665198][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.665335][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.665466][ T167] get_signal+0x172e/0x1820
[ 98.665596][ T167] ? __raw_spin_lock_init+0x44/0x120
[ 98.665822][ T167] ? mark_usage+0x61/0x170
[ 98.665997][ T167] ? __lock_acquire+0x508/0xc10
[ 98.666143][ T167] ? ptrace_signal+0x600/0x600
[ 98.666281][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 98.666421][ T167] ? find_held_lock+0x2b/0x80
[ 98.666550][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.666679][ T167] ? fd_install+0x18c/0x3d0
[ 98.666808][ T167] ? get_sigframe_size+0x20/0x20
[ 98.666944][ T167] ? update_socket_protocol+0x10/0x10
[ 98.667077][ T167] ? alloc_file_clone+0xe0/0xe0
[ 98.667204][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.667346][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.667505][ T167] exit_to_user_mode_loop+0x86/0x520
[ 98.667636][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.667764][ T167] do_syscall_64+0x437/0xfc0
[ 98.667896][ T167] ? irq_exit_rcu+0x1a/0x30
[ 98.668029][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.668189][ T167] RIP: 0033:0x47ea2b
[ 98.668305][ T167] Code: Unable to access opcode bytes at 0x47ea01.
[ 98.668475][ T167] RSP: 002b:00007fffe70b9f18 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 98.668670][ T167] RAX: 0000000000000007 RBX: 00007fffe70b9ff0 RCX: 000000000047ea2b
[ 98.668865][ T167] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010
[ 98.669084][ T167] RBP: 00007fffe70b9f50 R08: 0000000000000041 R09: 00000000334ed3e0
[ 98.669297][ T167] R10: 0000000000000040 R11: 0000000000000202 R12: 00007fffe70ba9c8
[ 98.669517][ T167] R13: 00007fffe70baa50 R14: 00007fffe70ba4c8 R15: 0000000000543540
[ 98.669725][ T167]
[ 98.669819][ T167] irq event stamp: 134298991
[ 98.669946][ T167] hardirqs last enabled at (134298999): [] __up_console_sem+0x5a/0x70
[ 98.670202][ T167] hardirqs last disabled at (134299006): [] __up_console_sem+0x3f/0x70
[ 98.670438][ T167] softirqs last enabled at (134298416): [] handle_softirqs+0x611/0x940
[ 98.670680][ T167] softirqs last disabled at (134298411): [] __irq_exit_rcu+0x103/0x1c0
[ 98.670909][ T167] ---[ end trace 0000000000000000 ]---
[ 98.688468][ T11] ------------[ cut here ]------------
[ 98.688699][ T11] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: kworker/u16:0/11
[ 98.688971][ T11] Modules linked in:
[ 98.689095][ T11] CPU: 3 UID: 0 PID: 11 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.689439][ T11] Tainted: [W]=WARN
[ 98.689531][ T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.689681][ T11] Workqueue: netns cleanup_net
[ 98.689814][ T11] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.689973][ T11] 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
[ 98.690453][ T11] RSP: 0018:ffa00000000b7878 EFLAGS: 00010286
[ 98.690606][ T11] RAX: 00000000ffffffa6 RBX: ff11000005e333c0 RCX: 1ff4000000016ed5
[ 98.690791][ T11] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005e33470
[ 98.690987][ T11] RBP: ff110000025bc000 R08: 1fe2200000bc668f R09: ff11000001afaed0
[ 98.691196][ T11] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.691388][ T11] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.691575][ T11] FS: 0000000000000000(0000) GS:ff110000a5d53000(0000) knlGS:0000000000000000
[ 98.691798][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.691955][ T11] CR2: 00007f3c1a7dbf98 CR3: 0000000033139006 CR4: 0000000000771ef0
[ 98.692140][ T11] PKRU: 55555554
[ 98.692232][ T11] Call Trace:
[ 98.692335][ T11]
[ 98.692401][ T11] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.692566][ T11] ? unregister_netdevice_queued+0x80/0x80
[ 98.692722][ T11] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 98.692848][ T11] default_device_exit_batch+0x38b/0x600
[ 98.692972][ T11] ? generic_xdp_install+0x400/0x400
[ 98.693094][ T11] ? ipmr_free_table+0x12e/0x2a0
[ 98.693218][ T11] ? unregister_netdev+0x60/0x60
[ 98.693351][ T11] ? rtnl_is_locked+0x15/0x20
[ 98.693475][ T11] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 98.693602][ T11] ops_undo_list+0x2ce/0x8f0
[ 98.693727][ T11] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 98.693849][ T11] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.693976][ T11] cleanup_net+0x431/0x890
[ 98.694101][ T11] ? net_passive_dec+0x1c0/0x1c0
[ 98.694226][ T11] ? process_one_work+0xdb7/0x1410
[ 98.694387][ T11] ? lock_acquire+0x134/0x160
[ 98.694510][ T11] ? rcu_is_watching+0x15/0xd0
[ 98.694637][ T11] process_one_work+0xdf8/0x1410
[ 98.694765][ T11] ? pwq_dec_nr_in_flight+0x710/0x710
[ 98.694888][ T11] ? lock_acquire.part.0+0xbc/0x260
[ 98.695017][ T11] worker_thread+0x4f1/0xd60
[ 98.695146][ T11] ? rescuer_thread+0x1320/0x1320
[ 98.695279][ T11] kthread+0x367/0x460
[ 98.695378][ T11] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.695532][ T11] ? kthread_affine_node+0x330/0x330
[ 98.695656][ T11] ret_from_fork+0x474/0x6b0
[ 98.695783][ T11] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 98.695937][ T11] ? __switch_to+0x5a3/0xe00
[ 98.696061][ T11] ? kthread_affine_node+0x330/0x330
[ 98.696186][ T11] ret_from_fork_asm+0x11/0x20
[ 98.696326][ T11]
[ 98.696420][ T11] irq event stamp: 2653
[ 98.696513][ T11] hardirqs last enabled at (2661): [] __up_console_sem+0x5a/0x70
[ 98.696727][ T11] hardirqs last disabled at (2668): [] __up_console_sem+0x3f/0x70
[ 98.696940][ T11] softirqs last enabled at (2518): [] handle_softirqs+0x611/0x940
[ 98.697154][ T11] softirqs last disabled at (2473): [] __irq_exit_rcu+0x103/0x1c0
[ 98.697376][ T11] ---[ end trace 0000000000000000 ]---