[ 8.874069][ T166] ------------[ cut here ]------------
[ 8.874290][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: unshare/166
[ 8.874651][ T166] Modules linked in:
[ 8.874797][ T166] CPU: 3 UID: 0 PID: 166 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.875132][ T166] Tainted: [W]=WARN
[ 8.875246][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.875440][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.875637][ T166] 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
[ 8.876132][ T166] RSP: 0018:ffa0000000747ab0 EFLAGS: 00010286
[ 8.876328][ T166] RAX: 00000000ffffffa6 RBX: ff1100000a44d3c0 RCX: 1ff40000000e8f1c
[ 8.876541][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a44d470
[ 8.876757][ T166] RBP: ff1100000a2dc000 R08: 1fe2200001489a8f R09: ff1100000c70ae80
[ 8.876965][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.877172][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a2dc000
[ 8.877393][ T166] FS: 00007f904946b740(0000) GS:ff110000a8153000(0000) knlGS:0000000000000000
[ 8.877640][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.877817][ T166] CR2: 0000555eea0ee310 CR3: 0000000009ef0004 CR4: 0000000000771ef0
[ 8.878027][ T166] PKRU: 55555554
[ 8.878133][ T166] Call Trace:
[ 8.878238][ T166]
[ 8.878311][ T166] ? ip6_route_dev_notify+0x250/0x380
[ 8.878461][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.878606][ T166] ? notifier_call_chain+0xb0/0x320
[ 8.878750][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.878860][ T166] register_netdevice+0x137a/0x1980
[ 8.879007][ T166] ? unregister_netdevice_queue+0x470/0x470
[ 8.879186][ T166] register_netdev+0x23/0x40
[ 8.879327][ T166] loopback_net_init+0x7d/0x150
[ 8.879478][ T166] ops_init+0x187/0x560
[ 8.879604][ T166] setup_net+0x11b/0x3b0
[ 8.879710][ T166] ? unregister_pernet_device+0x80/0x80
[ 8.879848][ T166] ? lockdep_init_map_type+0x5d/0x250
[ 8.879987][ T166] ? mutex_init_lockdep+0xf6/0x120
[ 8.880128][ T166] copy_net_ns+0x2fd/0x450
[ 8.880268][ T166] create_new_namespaces+0x371/0xa10
[ 8.880415][ T166] unshare_nsproxy_namespaces+0xa5/0x150
[ 8.880554][ T166] ksys_unshare+0x47e/0x8c0
[ 8.880697][ T166] ? walk_process_tree+0x350/0x350
[ 8.880838][ T166] __x64_sys_unshare+0x34/0x50
[ 8.880976][ T166] ? do_syscall_64+0x82/0xfc0
[ 8.881115][ T166] do_syscall_64+0x117/0xfc0
[ 8.881253][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.881429][ T166] ? exc_page_fault+0xee/0x100
[ 8.881610][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.881780][ T166] RIP: 0033:0x7f9049566bcb
[ 8.881922][ T166] 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
[ 8.882400][ T166] RSP: 002b:00007ffc70d253d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 8.882607][ T166] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9049566bcb
[ 8.882818][ T166] RDX: 0000000000000000 RSI: 00007ffc70d25140 RDI: 0000000040000000
[ 8.883025][ T166] RBP: 00007ffc70d25760 R08: 00007ffc70d25330 R09: 0000000000000000
[ 8.883232][ T166] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 8.883445][ T166] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000555eea0f1b68
[ 8.883665][ T166]
[ 8.883769][ T166] irq event stamp: 13159
[ 8.883872][ T166] hardirqs last enabled at (13167): [] __up_console_sem+0x5a/0x70
[ 8.884113][ T166] hardirqs last disabled at (13174): [] __up_console_sem+0x3f/0x70
[ 8.884358][ T166] softirqs last enabled at (12666): [] __alloc_skb+0x4c5/0x5f0
[ 8.884604][ T166] softirqs last disabled at (12664): [] __alloc_skb+0x4c5/0x5f0
[ 8.884845][ T166] ---[ end trace 0000000000000000 ]---
[ 8.903134][ T166] ------------[ cut here ]------------
[ 8.903288][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/166
[ 8.903853][ T166] Modules linked in:
[ 8.903961][ T166] CPU: 3 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.904267][ T166] Tainted: [W]=WARN
[ 8.904379][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.904549][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.904734][ T166] 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
[ 8.905202][ T166] RSP: 0018:ffa0000000747b58 EFLAGS: 00010286
[ 8.905371][ T166] RAX: 00000000ffffffa6 RBX: ff1100000c5ff540 RCX: 1ff40000000e8f31
[ 8.905567][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c5ff5f0
[ 8.905764][ T166] RBP: ff1100000cec8000 R08: 1fe22000018bfebf R09: ff1100000c70ae58
[ 8.905954][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.906145][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cec8000
[ 8.906337][ T166] FS: 0000000017aac400(0000) GS:ff110000a8153000(0000) knlGS:0000000000000000
[ 8.906577][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.906740][ T166] CR2: 00007f4d20edd000 CR3: 000000000ce03005 CR4: 0000000000771ef0
[ 8.906940][ T166] PKRU: 55555554
[ 8.907036][ T166] Call Trace:
[ 8.907132][ T166]
[ 8.907200][ T166] ? ip6_route_dev_notify+0x3d/0x380
[ 8.907328][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.907461][ T166] ? notifier_call_chain+0xb0/0x320
[ 8.907596][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.907694][ T166] register_netdevice+0x137a/0x1980
[ 8.907830][ T166] ? unregister_netdevice_queue+0x470/0x470
[ 8.907988][ T166] ? alloc_netdev_mqs+0xec0/0x1410
[ 8.908119][ T166] tun_set_iff.constprop.0+0xc61/0x1850
[ 8.908250][ T166] ? tun_attach.isra.0+0x1630/0x1630
[ 8.908385][ T166] ? tun_get+0x106/0x240
[ 8.908484][ T166] __tun_chr_ioctl+0x4b0/0x2470
[ 8.908614][ T166] ? build_open_flags+0x620/0x620
[ 8.908742][ T166] ? tun_chr_read_iter+0x210/0x210
[ 8.908867][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 8.908993][ T166] ? __x64_sys_openat+0x10e/0x210
[ 8.909119][ T166] ? fput_close_sync+0xde/0x1b0
[ 8.909253][ T166] ? __ia32_sys_open+0x1b0/0x1b0
[ 8.909389][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.909520][ T166] do_syscall_64+0x117/0xfc0
[ 8.909660][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.909792][ T166] ? exc_page_fault+0xee/0x100
[ 8.909918][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.910076][ T166] RIP: 0033:0x47cc8d
[ 8.910178][ T166] 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
[ 8.910638][ T166] RSP: 002b:00007ffea656bec0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.910829][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.911018][ T166] RDX: 00007ffea656bf40 RSI: 00000000400454ca RDI: 0000000000000005
[ 8.911211][ T166] RBP: 00007ffea656bf10 R08: 0000000000000000 R09: 0000000000000000
[ 8.911416][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffea656c418
[ 8.911608][ T166] R13: 00007ffea656c4a0 R14: 0000000000000002 R15: 0000000000543540
[ 8.911804][ T166]
[ 8.911899][ T166] irq event stamp: 26561
[ 8.911993][ T166] hardirqs last enabled at (26569): [] __up_console_sem+0x5a/0x70
[ 8.912217][ T166] hardirqs last disabled at (26576): [] __up_console_sem+0x3f/0x70
[ 8.912447][ T166] softirqs last enabled at (26132): [] handle_softirqs+0x611/0x940
[ 8.912672][ T166] softirqs last disabled at (25559): [] __irq_exit_rcu+0x103/0x1c0
[ 8.912890][ T166] ---[ end trace 0000000000000000 ]---
[ 8.913332][ T166] ------------[ cut here ]------------
[ 8.913464][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/166
[ 8.913715][ T166] Modules linked in:
[ 8.913813][ T166] CPU: 3 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.914098][ T166] Tainted: [W]=WARN
[ 8.914196][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.914359][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.914522][ T166] 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
[ 8.914979][ T166] RSP: 0018:ffa0000000747c58 EFLAGS: 00010286
[ 8.915142][ T166] RAX: 00000000ffffffa6 RBX: ff1100000c5fedc0 RCX: 1ff40000000e8f51
[ 8.915338][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c5fee70
[ 8.915534][ T166] RBP: ff1100000cec8000 R08: 1fe22000018bfdcf R09: ff1100000c70ae58
[ 8.915727][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[ 8.915919][ T166] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[ 8.916108][ T166] FS: 0000000017aac400(0000) GS:ff110000a8153000(0000) knlGS:0000000000000000
[ 8.916327][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.916489][ T166] CR2: 00007f4d20edd000 CR3: 000000000ce03005 CR4: 0000000000771ef0
[ 8.916683][ T166] PKRU: 55555554
[ 8.916777][ T166] Call Trace:
[ 8.916870][ T166]
[ 8.916935][ T166] ? rcu_is_watching+0x15/0xd0
[ 8.917065][ T166] rtnetlink_event+0xe0/0x1f0
[ 8.917194][ T166] notifier_call_chain+0xb0/0x320
[ 8.917325][ T166] netdev_update_features+0xa9/0xb0
[ 8.917455][ T166] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 8.917618][ T166] __tun_chr_ioctl+0xc7f/0x2470
[ 8.917748][ T166] ? tun_chr_read_iter+0x210/0x210
[ 8.917877][ T166] ? fd_install+0x19b/0x3d0
[ 8.918005][ T166] ? update_socket_protocol+0x10/0x10
[ 8.918131][ T166] ? alloc_file_clone+0xe0/0xe0
[ 8.918260][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.918394][ T166] do_syscall_64+0x117/0xfc0
[ 8.918525][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.918653][ T166] ? exc_page_fault+0xee/0x100
[ 8.918778][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.918933][ T166] RIP: 0033:0x47cc8d
[ 8.919031][ T166] 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
[ 8.919487][ T166] RSP: 002b:00007ffea656bf00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.919681][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.919867][ T166] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 8.920054][ T166] RBP: 00007ffea656bf50 R08: 0000000000000000 R09: 0000000000000000
[ 8.920240][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffea656c418
[ 8.920440][ T166] R13: 00007ffea656c4a0 R14: 0000000000000002 R15: 0000000000543540
[ 8.920637][ T166]
[ 8.920730][ T166] irq event stamp: 27235
[ 8.920825][ T166] hardirqs last enabled at (27243): [] __up_console_sem+0x5a/0x70
[ 8.921055][ T166] hardirqs last disabled at (27250): [] __up_console_sem+0x3f/0x70
[ 8.921279][ T166] softirqs last enabled at (26818): [] __alloc_skb+0x4c5/0x5f0
[ 8.921505][ T166] softirqs last disabled at (26816): [] __alloc_skb+0x4c5/0x5f0
[ 8.921730][ T166] ---[ end trace 0000000000000000 ]---
[ 8.929401][ T166] ------------[ cut here ]------------
[ 8.929549][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/166
[ 8.929832][ T166] Modules linked in:
[ 8.929939][ T166] CPU: 3 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.930246][ T166] Tainted: [W]=WARN
[ 8.930347][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.930520][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.930696][ T166] 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
[ 8.931178][ T166] RSP: 0018:ffa0000000747850 EFLAGS: 00010286
[ 8.931364][ T166] RAX: 00000000ffffffa6 RBX: ff1100000c5fe640 RCX: 1ff40000000e8ed0
[ 8.931577][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c5fe6f0
[ 8.931793][ T166] RBP: ff1100000cec8000 R08: 1fe22000018bfcdf R09: ff1100000c70ae58
[ 8.932010][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[ 8.932213][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058e91c0
[ 8.932425][ T166] FS: 0000000017aac400(0000) GS:ff110000a8153000(0000) knlGS:0000000000000000
[ 8.932667][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.932858][ T166] CR2: 00007f4d20edd000 CR3: 000000000ce03005 CR4: 0000000000771ef0
[ 8.933063][ T166] PKRU: 55555554
[ 8.933171][ T166] Call Trace:
[ 8.933276][ T166]
[ 8.933356][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.933502][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.933613][ T166] ? mark_held_locks+0x40/0x70
[ 8.933751][ T166] __dev_notify_flags+0x1b8/0x280
[ 8.933885][ T166] ? netif_change_name+0x8c0/0x8c0
[ 8.934017][ T166] ? __dev_change_flags+0x4a4/0x660
[ 8.934151][ T166] ? netif_set_allmulti+0x250/0x250
[ 8.934285][ T166] ? lock_acquire.part.0+0xbc/0x260
[ 8.934423][ T166] netif_change_flags+0xfe/0x190
[ 8.934555][ T166] ? cap_capable+0x1d6/0x3e0
[ 8.934697][ T166] dev_change_flags+0xa5/0x170
[ 8.934830][ T166] devinet_ioctl+0x10f0/0x1840
[ 8.934969][ T166] ? inet_ifa_byprefix+0x220/0x220
[ 8.935113][ T166] ? _copy_from_user+0x42/0x90
[ 8.935265][ T166] inet_ioctl+0x34b/0x3a0
[ 8.935388][ T166] ? inet_dgram_connect+0x3e0/0x3e0
[ 8.935536][ T166] ? __lock_acquire+0x508/0xc10
[ 8.935690][ T166] ? __might_fault+0x97/0x140
[ 8.935840][ T166] ? __might_fault+0x97/0x140
[ 8.935987][ T166] sock_do_ioctl+0x10e/0x270
[ 8.936127][ T166] ? __sock_recv_cmsgs+0x550/0x550
[ 8.936267][ T166] ? ioctl_file_clone+0xd0/0xd0
[ 8.936414][ T166] sock_ioctl+0x3cb/0x5f0
[ 8.936523][ T166] ? br_ioctl_call+0x80/0x80
[ 8.936675][ T166] ? fd_install+0x19b/0x3d0
[ 8.936818][ T166] ? update_socket_protocol+0x10/0x10
[ 8.936965][ T166] ? alloc_file_clone+0xe0/0xe0
[ 8.937112][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.937252][ T166] do_syscall_64+0x117/0xfc0
[ 8.937392][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.937525][ T166] ? exc_page_fault+0xee/0x100
[ 8.937678][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.937844][ T166] RIP: 0033:0x47cc8d
[ 8.937951][ T166] 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
[ 8.938436][ T166] RSP: 002b:00007ffea656bee0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.938644][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.938850][ T166] RDX: 00007ffea656bf50 RSI: 0000000000008914 RDI: 0000000000000006
[ 8.939057][ T166] RBP: 00007ffea656bf30 R08: 0000000000000000 R09: 0000000000000000
[ 8.939259][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffea656c418
[ 8.939465][ T166] R13: 00007ffea656c4a0 R14: 0000000000000002 R15: 0000000000543540
[ 8.939677][ T166]
[ 8.939782][ T166] irq event stamp: 35893
[ 8.939886][ T166] hardirqs last enabled at (35901): [] __up_console_sem+0x5a/0x70
[ 8.940122][ T166] hardirqs last disabled at (35908): [] __up_console_sem+0x3f/0x70
[ 8.940362][ T166] softirqs last enabled at (35334): [] __alloc_skb+0x4c5/0x5f0
[ 8.940598][ T166] softirqs last disabled at (35332): [] __alloc_skb+0x4c5/0x5f0
[ 8.940828][ T166] ---[ end trace 0000000000000000 ]---
[ 98.704671][ T166] ------------[ cut here ]------------
[ 98.704862][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/166
[ 98.705144][ T166] Modules linked in:
[ 98.705257][ T166] CPU: 0 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.705569][ T166] Tainted: [W]=WARN
[ 98.705672][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.705853][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.706030][ T166] 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
[ 98.706516][ T166] RSP: 0018:ffa00000007476f0 EFLAGS: 00010286
[ 98.706690][ T166] RAX: 00000000ffffffa6 RBX: ff11000004aef6c0 RCX: 1ff40000000e8ea4
[ 98.706953][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004aef770
[ 98.707183][ T166] RBP: ff1100000cec8000 R08: 1fe220000095deef R09: ff1100000c70ae58
[ 98.707389][ T166] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[ 98.707590][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000747790
[ 98.707792][ T166] FS: 0000000000000000(0000) GS:ff110000a7fd3000(0000) knlGS:0000000000000000
[ 98.708033][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.708200][ T166] CR2: 00007f429be946f0 CR3: 0000000014339002 CR4: 0000000000771ef0
[ 98.708408][ T166] PKRU: 55555554
[ 98.708509][ T166] Call Trace:
[ 98.708611][ T166]
[ 98.708680][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 98.708815][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 98.708948][ T166] netif_close_many+0x2ac/0x640
[ 98.709085][ T166] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 98.709221][ T166] ? lock_acquire.part.0+0xbc/0x260
[ 98.709360][ T166] ? find_held_lock+0x2b/0x80
[ 98.709493][ T166] ? __dev_close_many+0x530/0x530
[ 98.709624][ T166] ? netif_close_many_and_unlock+0x22/0x2c0
[ 98.709789][ T166] unregister_netdevice_many_notify+0x671/0x19a0
[ 98.709969][ T166] ? select_fallback_rq+0x510/0x510
[ 98.710108][ T166] ? unregister_netdevice_queued+0x80/0x80
[ 98.710271][ T166] ? find_held_lock+0x2b/0x80
[ 98.710410][ T166] ? find_held_lock+0x2b/0x80
[ 98.710543][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.710682][ T166] ? __queue_work+0x315/0xc00
[ 98.710823][ T166] unregister_netdevice_queue+0x290/0x470
[ 98.710962][ T166] ? mark_held_locks+0x40/0x70
[ 98.711095][ T166] ? unregister_netdevice_many+0x20/0x20
[ 98.711228][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.711368][ T166] ? queue_delayed_work_on+0x95/0x100
[ 98.711504][ T166] __tun_detach+0xf36/0x1320
[ 98.711640][ T166] tun_chr_close+0xac/0x1b0
[ 98.711771][ T166] __fput+0x363/0xac0
[ 98.711882][ T166] task_work_run+0x12b/0x240
[ 98.712014][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.712151][ T166] ? task_work_cancel+0x30/0x30
[ 98.712285][ T166] ? kmem_cache_free+0xf8/0x560
[ 98.712426][ T166] do_exit+0x614/0xdc0
[ 98.712528][ T166] ? exit_notify+0x890/0x890
[ 98.712659][ T166] ? find_held_lock+0x2b/0x80
[ 98.712792][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.712928][ T166] ? __rwlock_init+0x150/0x150
[ 98.713062][ T166] do_group_exit+0xb8/0x370
[ 98.713193][ T166] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.713364][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.713503][ T166] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.713637][ T166] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.713770][ T166] get_signal+0x172e/0x1820
[ 98.713910][ T166] ? __sys_sendto+0x2c9/0x400
[ 98.714042][ T166] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.714177][ T166] ? ptrace_signal+0x600/0x600
[ 98.714319][ T166] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.714465][ T166] ? get_sigframe_size+0x20/0x20
[ 98.714600][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.714757][ T166] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.714938][ T166] exit_to_user_mode_loop+0x86/0x520
[ 98.715071][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.715206][ T166] do_syscall_64+0x437/0xfc0
[ 98.715396][ T166] ? irq_exit_rcu+0x1a/0x30
[ 98.715537][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.715726][ T166] RIP: 0033:0x4c2d9e
[ 98.715833][ T166] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.716023][ T166] RSP: 002b:00007ffea656b870 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.716226][ T166] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 98.716429][ T166] RDX: 0000000000000014 RSI: 00007ffea656b950 RDI: 0000000000000007
[ 98.716647][ T166] RBP: 00007ffea656b880 R08: 00007ffea656b910 R09: 000000000000000c
[ 98.716885][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000017abd360
[ 98.717085][ T166] R13: 00007ffea656c4a0 R14: 00007ffea656ba40 R15: 0000000000543540
[ 98.717293][ T166]
[ 98.717398][ T166] irq event stamp: 131192913
[ 98.717567][ T166] hardirqs last enabled at (131192921): [] __up_console_sem+0x5a/0x70
[ 98.717803][ T166] hardirqs last disabled at (131192928): [] __up_console_sem+0x3f/0x70
[ 98.718042][ T166] softirqs last enabled at (131192386): [] handle_softirqs+0x611/0x940
[ 98.718298][ T166] softirqs last disabled at (131192377): [] __irq_exit_rcu+0x103/0x1c0
[ 98.718657][ T166] ---[ end trace 0000000000000000 ]---
[ 98.721644][ T166] ------------[ cut here ]------------
[ 98.721810][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/166
[ 98.722071][ T166] Modules linked in:
[ 98.722175][ T166] CPU: 0 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.722496][ T166] Tainted: [W]=WARN
[ 98.722597][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.722759][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.722930][ T166] 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
[ 98.723398][ T166] RSP: 0018:ffa0000000747820 EFLAGS: 00010286
[ 98.723575][ T166] RAX: 00000000ffffffa6 RBX: ff1100000b3a4dc0 RCX: 1ff40000000e8eca
[ 98.723777][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b3a4e70
[ 98.723975][ T166] RBP: ff1100000cec8000 R08: 1fe22000016749cf R09: ff1100000c70ae58
[ 98.724171][ T166] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.724367][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.724674][ T166] FS: 0000000000000000(0000) GS:ff110000a7fd3000(0000) knlGS:0000000000000000
[ 98.724912][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.725077][ T166] CR2: 00007f429be946f0 CR3: 0000000014339002 CR4: 0000000000771ef0
[ 98.725882][ T166] PKRU: 55555554
[ 98.726008][ T166] Call Trace:
[ 98.726111][ T166]
[ 98.726181][ T166] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.726349][ T166] ? unregister_netdevice_queued+0x80/0x80
[ 98.728469][ T166] ? find_held_lock+0x2b/0x80
[ 98.728632][ T166] ? find_held_lock+0x2b/0x80
[ 98.728762][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.728924][ T166] ? __queue_work+0x315/0xc00
[ 98.729058][ T166] unregister_netdevice_queue+0x290/0x470
[ 98.729191][ T166] ? mark_held_locks+0x40/0x70
[ 98.729323][ T166] ? unregister_netdevice_many+0x20/0x20
[ 98.729956][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.730091][ T166] ? queue_delayed_work_on+0x95/0x100
[ 98.730223][ T166] __tun_detach+0xf36/0x1320
[ 98.730903][ T166] tun_chr_close+0xac/0x1b0
[ 98.731069][ T166] __fput+0x363/0xac0
[ 98.731173][ T166] task_work_run+0x12b/0x240
[ 98.731300][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.731481][ T166] ? task_work_cancel+0x30/0x30
[ 98.731608][ T166] ? kmem_cache_free+0xf8/0x560
[ 98.731738][ T166] do_exit+0x614/0xdc0
[ 98.731837][ T166] ? exit_notify+0x890/0x890
[ 98.731970][ T166] ? find_held_lock+0x2b/0x80
[ 98.732113][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.732245][ T166] ? __rwlock_init+0x150/0x150
[ 98.732385][ T166] do_group_exit+0xb8/0x370
[ 98.732518][ T166] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.732682][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.732819][ T166] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.732954][ T166] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.733083][ T166] get_signal+0x172e/0x1820
[ 98.733213][ T166] ? __sys_sendto+0x2c9/0x400
[ 98.733340][ T166] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.733475][ T166] ? ptrace_signal+0x600/0x600
[ 98.733607][ T166] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.733738][ T166] ? get_sigframe_size+0x20/0x20
[ 98.733874][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.734002][ T166] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.734164][ T166] exit_to_user_mode_loop+0x86/0x520
[ 98.734292][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.734427][ T166] do_syscall_64+0x437/0xfc0
[ 98.734560][ T166] ? irq_exit_rcu+0x1a/0x30
[ 98.734692][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.734856][ T166] RIP: 0033:0x4c2d9e
[ 98.734959][ T166] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.735121][ T166] RSP: 002b:00007ffea656b870 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.735317][ T166] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 98.735521][ T166] RDX: 0000000000000014 RSI: 00007ffea656b950 RDI: 0000000000000007
[ 98.735729][ T166] RBP: 00007ffea656b880 R08: 00007ffea656b910 R09: 000000000000000c
[ 98.735925][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000017abd360
[ 98.736119][ T166] R13: 00007ffea656c4a0 R14: 00007ffea656ba40 R15: 0000000000543540
[ 98.736319][ T166]
[ 98.736421][ T166] irq event stamp: 131200951
[ 98.736578][ T166] hardirqs last enabled at (131200959): [] __up_console_sem+0x5a/0x70
[ 98.736804][ T166] hardirqs last disabled at (131200966): [] __up_console_sem+0x3f/0x70
[ 98.737030][ T166] softirqs last enabled at (131200660): [] handle_softirqs+0x611/0x940
[ 98.737251][ T166] softirqs last disabled at (131200565): [] __irq_exit_rcu+0x103/0x1c0
[ 98.737484][ T166] ---[ end trace 0000000000000000 ]---
[ 98.750746][ T68] ------------[ cut here ]------------
[ 98.750947][ T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: kworker/u16:1/68
[ 98.751203][ T68] Modules linked in:
[ 98.751328][ T68] CPU: 1 UID: 0 PID: 68 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.752127][ T68] Tainted: [W]=WARN
[ 98.752282][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.752487][ T68] Workqueue: netns cleanup_net
[ 98.752629][ T68] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.752788][ T68] 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
[ 98.753221][ T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[ 98.753422][ T68] RAX: 00000000ffffffa6 RBX: ff1100000b3a44c0 RCX: 1ff4000000092ed5
[ 98.753610][ T68] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b3a4570
[ 98.753787][ T68] RBP: ff1100000a2dc000 R08: 1fe22000016748af R09: ff11000007832ed0
[ 98.753973][ T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.754160][ T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.754346][ T68] FS: 0000000000000000(0000) GS:ff110000a8053000(0000) knlGS:0000000000000000
[ 98.754606][ T68] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.754761][ T68] CR2: 00007f8355b07f98 CR3: 0000000014339001 CR4: 0000000000771ef0
[ 98.754949][ T68] PKRU: 55555554
[ 98.755041][ T68] Call Trace:
[ 98.755136][ T68]
[ 98.755201][ T68] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.755408][ T68] ? unregister_netdevice_queued+0x80/0x80
[ 98.755563][ T68] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 98.755685][ T68] default_device_exit_batch+0x38b/0x600
[ 98.755806][ T68] ? generic_xdp_install+0x400/0x400
[ 98.755935][ T68] ? ipmr_free_table+0x12e/0x2a0
[ 98.756062][ T68] ? unregister_netdev+0x60/0x60
[ 98.756187][ T68] ? rtnl_is_locked+0x15/0x20
[ 98.756310][ T68] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 98.756481][ T68] ops_undo_list+0x2ce/0x8f0
[ 98.756606][ T68] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 98.756725][ T68] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.756854][ T68] cleanup_net+0x431/0x890
[ 98.756975][ T68] ? net_passive_dec+0x1c0/0x1c0
[ 98.757093][ T68] ? process_one_work+0xdb7/0x1410
[ 98.757217][ T68] ? lock_acquire+0x134/0x160
[ 98.757336][ T68] ? rcu_is_watching+0x15/0xd0
[ 98.757504][ T68] process_one_work+0xdf8/0x1410
[ 98.757653][ T68] ? pwq_dec_nr_in_flight+0x710/0x710
[ 98.757773][ T68] ? lock_acquire.part.0+0xbc/0x260
[ 98.757903][ T68] worker_thread+0x4f1/0xd60
[ 98.758024][ T68] ? rescuer_thread+0x1320/0x1320
[ 98.758145][ T68] ? __kthread_parkme+0xbd/0x210
[ 98.758266][ T68] ? rescuer_thread+0x1320/0x1320
[ 98.758437][ T68] kthread+0x367/0x460
[ 98.758528][ T68] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.758697][ T68] ? kthread_affine_node+0x330/0x330
[ 98.758818][ T68] ret_from_fork+0x474/0x6b0
[ 98.758947][ T68] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 98.759098][ T68] ? __switch_to+0x5a3/0xe00
[ 98.759224][ T68] ? kthread_affine_node+0x330/0x330
[ 98.759343][ T68] ret_from_fork_asm+0x11/0x20
[ 98.759517][ T68]
[ 98.759615][ T68] irq event stamp: 4375
[ 98.759710][ T68] hardirqs last enabled at (4383): [] __up_console_sem+0x5a/0x70
[ 98.759924][ T68] hardirqs last disabled at (4390): [] __up_console_sem+0x3f/0x70
[ 98.760152][ T68] softirqs last enabled at (4364): [] handle_softirqs+0x611/0x940
[ 98.760407][ T68] softirqs last disabled at (4407): [] __irq_exit_rcu+0x103/0x1c0
[ 98.760618][ T68] ---[ end trace 0000000000000000 ]---