[ 9.747190][ T167] ------------[ cut here ]------------
[ 9.747451][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: unshare/167
[ 9.747775][ T167] Modules linked in:
[ 9.748067][ T167] CPU: 2 UID: 0 PID: 167 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.748387][ T167] Tainted: [W]=WARN
[ 9.748538][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.748795][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.749155][ 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
[ 9.749774][ T167] RSP: 0018:ffa0000000847ab0 EFLAGS: 00010286
[ 9.750132][ T167] RAX: 00000000ffffffa6 RBX: ff1100000b09d3c0 RCX: 1ff4000000108f1c
[ 9.750455][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b09d470
[ 9.750730][ T167] RBP: ff11000008589000 R08: 1fe2200001613a8f R09: ff11000004dcae80
[ 9.751049][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.751317][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008589000
[ 9.751573][ T167] FS: 00007f1de6b18740(0000) GS:ff110000aced3000(0000) knlGS:0000000000000000
[ 9.751901][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.752139][ T167] CR2: 000055b969ce6310 CR3: 0000000009f2a003 CR4: 0000000000771ef0
[ 9.752393][ T167] PKRU: 55555554
[ 9.752545][ T167] Call Trace:
[ 9.752697][ T167]
[ 9.752823][ T167] ? ip6_route_dev_notify+0x250/0x380
[ 9.753030][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.753250][ T167] ? notifier_call_chain+0xb0/0x320
[ 9.753440][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.753595][ T167] register_netdevice+0x137a/0x1980
[ 9.753783][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 9.754035][ T167] register_netdev+0x23/0x40
[ 9.754243][ T167] loopback_net_init+0x7d/0x150
[ 9.754437][ T167] ops_init+0x187/0x560
[ 9.754592][ T167] setup_net+0x11b/0x3b0
[ 9.754749][ T167] ? unregister_pernet_device+0x80/0x80
[ 9.754962][ T167] ? lockdep_init_map_type+0x5d/0x250
[ 9.755164][ T167] ? mutex_init_lockdep+0xf6/0x120
[ 9.755353][ T167] copy_net_ns+0x2fd/0x450
[ 9.755562][ T167] create_new_namespaces+0x371/0xa10
[ 9.755750][ T167] unshare_nsproxy_namespaces+0xa5/0x150
[ 9.755955][ T167] ksys_unshare+0x47e/0x8c0
[ 9.756154][ T167] ? walk_process_tree+0x350/0x350
[ 9.756341][ T167] __x64_sys_unshare+0x34/0x50
[ 9.756525][ T167] ? do_syscall_64+0x82/0xfc0
[ 9.756726][ T167] do_syscall_64+0x117/0xfc0
[ 9.756934][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.757133][ T167] ? exc_page_fault+0xee/0x100
[ 9.757323][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.757550][ T167] RIP: 0033:0x7f1de6c13bcb
[ 9.757741][ 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
[ 9.758315][ T167] RSP: 002b:00007ffcc2653718 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 9.758588][ T167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1de6c13bcb
[ 9.758845][ T167] RDX: 0000000000000000 RSI: 00007ffcc2653480 RDI: 0000000040000000
[ 9.759113][ T167] RBP: 00007ffcc2653aa0 R08: 00007ffcc2653670 R09: 0000000000000000
[ 9.759362][ T167] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 9.759610][ T167] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055b969ce9b68
[ 9.759881][ T167]
[ 9.760044][ T167] irq event stamp: 16559
[ 9.760196][ T167] hardirqs last enabled at (16569): [] __up_console_sem+0x5a/0x70
[ 9.760482][ T167] hardirqs last disabled at (16578): [] __up_console_sem+0x3f/0x70
[ 9.760763][ T167] softirqs last enabled at (16108): [] handle_softirqs+0x611/0x940
[ 9.761078][ T167] softirqs last disabled at (16059): [] __irq_exit_rcu+0x103/0x1c0
[ 9.761361][ T167] ---[ end trace 0000000000000000 ]---
[ 9.778754][ T167] ------------[ cut here ]------------
[ 9.778956][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 9.779271][ T167] Modules linked in:
[ 9.779424][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.779764][ T167] Tainted: [W]=WARN
[ 9.779929][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.780166][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.780380][ 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
[ 9.780877][ T167] RSP: 0018:ffa0000000847b58 EFLAGS: 00010286
[ 9.781098][ T167] RAX: 00000000ffffffa6 RBX: ff1100000bf18640 RCX: 1ff4000000108f31
[ 9.781330][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bf186f0
[ 9.781562][ T167] RBP: ff1100000bd20000 R08: 1fe22000017e30df R09: ff11000004dcae58
[ 9.781796][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.782060][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bd20000
[ 9.782296][ T167] FS: 000000002195e400(0000) GS:ff110000aced3000(0000) knlGS:0000000000000000
[ 9.782561][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.782783][ T167] CR2: 00007f1f1d51d000 CR3: 00000000094f1004 CR4: 0000000000771ef0
[ 9.783063][ T167] PKRU: 55555554
[ 9.783209][ T167] Call Trace:
[ 9.783354][ T167]
[ 9.783473][ T167] ? ip6_route_dev_notify+0x3d/0x380
[ 9.783647][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.783831][ T167] ? notifier_call_chain+0xb0/0x320
[ 9.784026][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.784177][ T167] register_netdevice+0x137a/0x1980
[ 9.784354][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 9.784558][ T167] ? alloc_netdev_mqs+0xec0/0x1410
[ 9.784735][ T167] tun_set_iff.constprop.0+0xc61/0x1850
[ 9.784931][ T167] ? tun_attach.isra.0+0x1630/0x1630
[ 9.785129][ T167] ? tun_get+0x106/0x240
[ 9.785280][ T167] __tun_chr_ioctl+0x4b0/0x2470
[ 9.785465][ T167] ? build_open_flags+0x620/0x620
[ 9.785646][ T167] ? tun_chr_read_iter+0x210/0x210
[ 9.785832][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 9.786034][ T167] ? __x64_sys_openat+0x10e/0x210
[ 9.786213][ T167] ? fput_close_sync+0xde/0x1b0
[ 9.786394][ T167] ? __ia32_sys_open+0x1b0/0x1b0
[ 9.786574][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.786760][ T167] do_syscall_64+0x117/0xfc0
[ 9.786957][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.787146][ T167] ? exc_page_fault+0xee/0x100
[ 9.787326][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.787535][ T167] RIP: 0033:0x47cc8d
[ 9.787687][ 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
[ 9.788222][ T167] RSP: 002b:00007ffe508a7d50 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.788474][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.788707][ T167] RDX: 00007ffe508a7dd0 RSI: 00000000400454ca RDI: 0000000000000005
[ 9.788958][ T167] RBP: 00007ffe508a7da0 R08: 0000000000000000 R09: 0000000000000000
[ 9.789205][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe508a82a8
[ 9.789441][ T167] R13: 00007ffe508a8330 R14: 0000000000000002 R15: 0000000000543540
[ 9.789683][ T167]
[ 9.789832][ T167] irq event stamp: 27337
[ 9.789984][ T167] hardirqs last enabled at (27347): [] __up_console_sem+0x5a/0x70
[ 9.790265][ T167] hardirqs last disabled at (27358): [] __up_console_sem+0x3f/0x70
[ 9.790527][ T167] softirqs last enabled at (26756): [] __alloc_skb+0x4c5/0x5f0
[ 9.790789][ T167] softirqs last disabled at (26754): [] __alloc_skb+0x4c5/0x5f0
[ 9.791088][ T167] ---[ end trace 0000000000000000 ]---
[ 9.791589][ T167] ------------[ cut here ]------------
[ 9.791772][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 9.792121][ T167] Modules linked in:
[ 9.792269][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.792596][ T167] Tainted: [W]=WARN
[ 9.792742][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.792959][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.793182][ 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
[ 9.793663][ T167] RSP: 0018:ffa0000000847c58 EFLAGS: 00010286
[ 9.793882][ T167] RAX: 00000000ffffffa6 RBX: ff1100000bf18340 RCX: 1ff4000000108f51
[ 9.794131][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bf183f0
[ 9.794364][ T167] RBP: ff1100000bd20000 R08: 1fe22000017e307f R09: ff11000004dcae58
[ 9.794597][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[ 9.794841][ T167] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[ 9.795135][ T167] FS: 000000002195e400(0000) GS:ff110000aced3000(0000) knlGS:0000000000000000
[ 9.795408][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.795618][ T167] CR2: 00007f1f1d51d000 CR3: 00000000094f1004 CR4: 0000000000771ef0
[ 9.795872][ T167] PKRU: 55555554
[ 9.796035][ T167] Call Trace:
[ 9.796182][ T167]
[ 9.796300][ T167] ? rcu_is_watching+0x15/0xd0
[ 9.796480][ T167] rtnetlink_event+0xe0/0x1f0
[ 9.796663][ T167] notifier_call_chain+0xb0/0x320
[ 9.796856][ T167] netdev_update_features+0xa9/0xb0
[ 9.797057][ T167] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 9.797268][ T167] __tun_chr_ioctl+0xc7f/0x2470
[ 9.797454][ T167] ? tun_chr_read_iter+0x210/0x210
[ 9.797633][ T167] ? fd_install+0x19b/0x3d0
[ 9.797824][ T167] ? update_socket_protocol+0x10/0x10
[ 9.798023][ T167] ? alloc_file_clone+0xe0/0xe0
[ 9.798205][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.798386][ T167] do_syscall_64+0x117/0xfc0
[ 9.798564][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.798746][ T167] ? exc_page_fault+0xee/0x100
[ 9.798943][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.799168][ T167] RIP: 0033:0x47cc8d
[ 9.799320][ 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
[ 9.799826][ T167] RSP: 002b:00007ffe508a7d90 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.800094][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.800334][ T167] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 9.800573][ T167] RBP: 00007ffe508a7de0 R08: 0000000000000000 R09: 0000000000000000
[ 9.800820][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe508a82a8
[ 9.801079][ T167] R13: 00007ffe508a8330 R14: 0000000000000002 R15: 0000000000543540
[ 9.801346][ T167]
[ 9.801489][ T167] irq event stamp: 28115
[ 9.801633][ T167] hardirqs last enabled at (28125): [] __up_console_sem+0x5a/0x70
[ 9.801916][ T167] hardirqs last disabled at (28134): [] __up_console_sem+0x3f/0x70
[ 9.802200][ T167] softirqs last enabled at (27606): [] __alloc_skb+0x4c5/0x5f0
[ 9.802463][ T167] softirqs last disabled at (27604): [] __alloc_skb+0x4c5/0x5f0
[ 9.802725][ T167] ---[ end trace 0000000000000000 ]---
[ 9.803299][ T167] ------------[ cut here ]------------
[ 9.803475][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 9.803786][ T167] Modules linked in:
[ 9.803960][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.804319][ T167] Tainted: [W]=WARN
[ 9.804470][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.804718][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.804968][ 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
[ 9.805507][ T167] RSP: 0018:ffa0000000847850 EFLAGS: 00010286
[ 9.805730][ T167] RAX: 00000000ffffffa6 RBX: ff1100000bf19240 RCX: 1ff4000000108ed0
[ 9.806015][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bf192f0
[ 9.806277][ T167] RBP: ff1100000bd20000 R08: 1fe22000017e325f R09: ff11000004dcae58
[ 9.806542][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[ 9.806793][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005868900
[ 9.807081][ T167] FS: 000000002195e400(0000) GS:ff110000aced3000(0000) knlGS:0000000000000000
[ 9.807363][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.807578][ T167] CR2: 00007f1f1d51d000 CR3: 00000000094f1004 CR4: 0000000000771ef0
[ 9.807831][ T167] PKRU: 55555554
[ 9.807988][ T167] Call Trace:
[ 9.808153][ T167]
[ 9.808275][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.808461][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.808613][ T167] ? mark_held_locks+0x40/0x70
[ 9.808797][ T167] __dev_notify_flags+0x1b8/0x280
[ 9.809012][ T167] ? netif_change_name+0x8c0/0x8c0
[ 9.809195][ T167] ? __dev_change_flags+0x4a4/0x660
[ 9.809379][ T167] ? netif_set_allmulti+0x250/0x250
[ 9.809566][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 9.809751][ T167] netif_change_flags+0xfe/0x190
[ 9.809959][ T167] ? cap_capable+0x1d6/0x3e0
[ 9.810155][ T167] dev_change_flags+0xa5/0x170
[ 9.810363][ T167] devinet_ioctl+0x10f0/0x1840
[ 9.810554][ T167] ? inet_ifa_byprefix+0x220/0x220
[ 9.810739][ T167] ? _copy_from_user+0x42/0x90
[ 9.810943][ T167] inet_ioctl+0x34b/0x3a0
[ 9.811113][ T167] ? inet_dgram_connect+0x3e0/0x3e0
[ 9.811297][ T167] ? __lock_acquire+0x508/0xc10
[ 9.811488][ T167] ? __might_fault+0x97/0x140
[ 9.811673][ T167] ? __might_fault+0x97/0x140
[ 9.811872][ T167] sock_do_ioctl+0x10e/0x270
[ 9.812074][ T167] ? __sock_recv_cmsgs+0x550/0x550
[ 9.812262][ T167] ? ioctl_file_clone+0xd0/0xd0
[ 9.812452][ T167] sock_ioctl+0x3cb/0x5f0
[ 9.812605][ T167] ? br_ioctl_call+0x80/0x80
[ 9.812789][ T167] ? fd_install+0x19b/0x3d0
[ 9.813018][ T167] ? update_socket_protocol+0x10/0x10
[ 9.813202][ T167] ? alloc_file_clone+0xe0/0xe0
[ 9.813401][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.813596][ T167] do_syscall_64+0x117/0xfc0
[ 9.813781][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.813983][ T167] ? exc_page_fault+0xee/0x100
[ 9.814188][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.814402][ T167] RIP: 0033:0x47cc8d
[ 9.814555][ 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
[ 9.815096][ T167] RSP: 002b:00007ffe508a7d70 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.815365][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.815627][ T167] RDX: 00007ffe508a7de0 RSI: 0000000000008914 RDI: 0000000000000006
[ 9.815887][ T167] RBP: 00007ffe508a7dc0 R08: 0000000000000000 R09: 0000000000000000
[ 9.816142][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe508a82a8
[ 9.816392][ T167] R13: 00007ffe508a8330 R14: 0000000000000002 R15: 0000000000543540
[ 9.816645][ T167]
[ 9.816793][ T167] irq event stamp: 29145
[ 9.816961][ T167] hardirqs last enabled at (29155): [] __up_console_sem+0x5a/0x70
[ 9.817253][ T167] hardirqs last disabled at (29166): [] __up_console_sem+0x3f/0x70
[ 9.817545][ T167] softirqs last enabled at (29028): [] handle_softirqs+0x611/0x940
[ 9.817833][ T167] softirqs last disabled at (29023): [] __irq_exit_rcu+0x103/0x1c0
[ 9.818133][ T167] ---[ end trace 0000000000000000 ]---
[ 99.592557][ T167] ------------[ cut here ]------------
[ 99.592824][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 99.593282][ T167] Modules linked in:
[ 99.593627][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.594153][ T167] Tainted: [W]=WARN
[ 99.594415][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.594711][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.595057][ 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
[ 99.595657][ T167] RSP: 0018:ffa00000008476f0 EFLAGS: 00010286
[ 99.595943][ T167] RAX: 00000000ffffffa6 RBX: ff1100000c64f0c0 RCX: 1ff4000000108ea4
[ 99.596335][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c64f170
[ 99.596657][ T167] RBP: ff1100000bd20000 R08: 1fe22000018c9e2f R09: ff11000004dcae58
[ 99.597013][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[ 99.597356][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000847790
[ 99.597669][ T167] FS: 0000000000000000(0000) GS:ff110000aced3000(0000) knlGS:0000000000000000
[ 99.598042][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.598338][ T167] CR2: 00007f1f1d51d000 CR3: 0000000023339006 CR4: 0000000000771ef0
[ 99.598642][ T167] PKRU: 55555554
[ 99.598790][ T167] Call Trace:
[ 99.598953][ T167]
[ 99.599088][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 99.599288][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 99.599444][ T167] netif_close_many+0x2ac/0x640
[ 99.599634][ T167] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 99.599822][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 99.600029][ T167] ? find_held_lock+0x2b/0x80
[ 99.600218][ T167] ? __dev_close_many+0x530/0x530
[ 99.600425][ T167] ? netif_close_many_and_unlock+0x22/0x2c0
[ 99.600645][ T167] unregister_netdevice_many_notify+0x671/0x19a0
[ 99.600868][ T167] ? select_fallback_rq+0x510/0x510
[ 99.601074][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 99.601300][ T167] ? find_held_lock+0x2b/0x80
[ 99.601487][ T167] ? find_held_lock+0x2b/0x80
[ 99.601674][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.601863][ T167] ? __queue_work+0x315/0xc00
[ 99.602069][ T167] unregister_netdevice_queue+0x290/0x470
[ 99.602264][ T167] ? mark_held_locks+0x40/0x70
[ 99.602452][ T167] ? unregister_netdevice_many+0x20/0x20
[ 99.602639][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.602825][ T167] ? queue_delayed_work_on+0x95/0x100
[ 99.603052][ T167] __tun_detach+0xf36/0x1320
[ 99.603254][ T167] tun_chr_close+0xac/0x1b0
[ 99.603443][ T167] __fput+0x363/0xac0
[ 99.603600][ T167] task_work_run+0x12b/0x240
[ 99.603787][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.603985][ T167] ? task_work_cancel+0x30/0x30
[ 99.604188][ T167] ? kmem_cache_free+0xf8/0x560
[ 99.604386][ T167] do_exit+0x614/0xdc0
[ 99.604543][ T167] ? exit_notify+0x890/0x890
[ 99.604728][ T167] ? find_held_lock+0x2b/0x80
[ 99.604927][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.605127][ T167] ? __rwlock_init+0x150/0x150
[ 99.605320][ T167] do_group_exit+0xb8/0x370
[ 99.605505][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 99.605723][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.605918][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 99.606115][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 99.606312][ T167] get_signal+0x172e/0x1820
[ 99.606504][ T167] ? __sys_sendto+0x2c9/0x400
[ 99.606692][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 99.606883][ T167] ? ptrace_signal+0x600/0x600
[ 99.607084][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 99.607281][ T167] ? get_sigframe_size+0x20/0x20
[ 99.607470][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.607661][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.607885][ T167] exit_to_user_mode_loop+0x86/0x520
[ 99.608085][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.608286][ T167] do_syscall_64+0x437/0xfc0
[ 99.608476][ T167] ? irq_exit_rcu+0x1a/0x30
[ 99.608664][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 99.608889][ T167] RIP: 0033:0x4c2d9e
[ 99.609062][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 99.609312][ T167] RSP: 002b:00007ffe508a7700 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 99.609568][ T167] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 99.609820][ T167] RDX: 0000000000000014 RSI: 00007ffe508a77e0 RDI: 0000000000000007
[ 99.610092][ T167] RBP: 00007ffe508a7710 R08: 00007ffe508a77a0 R09: 000000000000000c
[ 99.610351][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000021968c50
[ 99.610600][ T167] R13: 00007ffe508a8330 R14: 00007ffe508a78d0 R15: 0000000000543540
[ 99.610866][ T167]
[ 99.611034][ T167] irq event stamp: 132122699
[ 99.611218][ T167] hardirqs last enabled at (132122709): [] __up_console_sem+0x5a/0x70
[ 99.611526][ T167] hardirqs last disabled at (132122718): [] __up_console_sem+0x3f/0x70
[ 99.611845][ T167] softirqs last enabled at (132122042): [] handle_softirqs+0x611/0x940
[ 99.612181][ T167] softirqs last disabled at (132121973): [] __irq_exit_rcu+0x103/0x1c0
[ 99.612515][ T167] ---[ end trace 0000000000000000 ]---
[ 99.615501][ T167] ------------[ cut here ]------------
[ 99.615698][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 99.616043][ T167] Modules linked in:
[ 99.616258][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.616610][ T167] Tainted: [W]=WARN
[ 99.616762][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.616989][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.617248][ 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
[ 99.617768][ T167] RSP: 0018:ffa0000000847820 EFLAGS: 00010286
[ 99.618010][ T167] RAX: 00000000ffffffa6 RBX: ff1100000b343e40 RCX: 1ff4000000108eca
[ 99.618264][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b343ef0
[ 99.618513][ T167] RBP: ff1100000bd20000 R08: 1fe22000016687df R09: ff11000004dcae58
[ 99.618759][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 99.619029][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 99.619288][ T167] FS: 0000000000000000(0000) GS:ff110000aced3000(0000) knlGS:0000000000000000
[ 99.619572][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.619793][ T167] CR2: 00007f1f1d51d000 CR3: 0000000023339006 CR4: 0000000000771ef0
[ 99.620069][ T167] PKRU: 55555554
[ 99.620220][ T167] Call Trace:
[ 99.620379][ T167]
[ 99.620499][ T167] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 99.620719][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 99.620943][ T167] ? find_held_lock+0x2b/0x80
[ 99.621146][ T167] ? find_held_lock+0x2b/0x80
[ 99.621338][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.621527][ T167] ? __queue_work+0x315/0xc00
[ 99.621711][ T167] unregister_netdevice_queue+0x290/0x470
[ 99.621919][ T167] ? mark_held_locks+0x40/0x70
[ 99.622114][ T167] ? unregister_netdevice_many+0x20/0x20
[ 99.622307][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.622495][ T167] ? queue_delayed_work_on+0x95/0x100
[ 99.622691][ T167] __tun_detach+0xf36/0x1320
[ 99.622907][ T167] tun_chr_close+0xac/0x1b0
[ 99.623137][ T167] __fput+0x363/0xac0
[ 99.623343][ T167] task_work_run+0x12b/0x240
[ 99.623543][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.623823][ T167] ? task_work_cancel+0x30/0x30
[ 99.624029][ T167] ? kmem_cache_free+0xf8/0x560
[ 99.624213][ T167] do_exit+0x614/0xdc0
[ 99.624495][ T167] ? exit_notify+0x890/0x890
[ 99.624678][ T167] ? find_held_lock+0x2b/0x80
[ 99.624869][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.625611][ T167] ? __rwlock_init+0x150/0x150
[ 99.626330][ T167] do_group_exit+0xb8/0x370
[ 99.627058][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 99.627775][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.628444][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 99.628625][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 99.628810][ T167] get_signal+0x172e/0x1820
[ 99.629019][ T167] ? __sys_sendto+0x2c9/0x400
[ 99.629201][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 99.629389][ T167] ? ptrace_signal+0x600/0x600
[ 99.629574][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 99.629759][ T167] ? get_sigframe_size+0x20/0x20
[ 99.629956][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.630151][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.630378][ T167] exit_to_user_mode_loop+0x86/0x520
[ 99.630560][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.630743][ T167] do_syscall_64+0x437/0xfc0
[ 99.630939][ T167] ? irq_exit_rcu+0x1a/0x30
[ 99.631138][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 99.631361][ T167] RIP: 0033:0x4c2d9e
[ 99.631517][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 99.631733][ T167] RSP: 002b:00007ffe508a7700 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 99.632007][ T167] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 99.632258][ T167] RDX: 0000000000000014 RSI: 00007ffe508a77e0 RDI: 0000000000000007
[ 99.632503][ T167] RBP: 00007ffe508a7710 R08: 00007ffe508a77a0 R09: 000000000000000c
[ 99.632747][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000021968c50
[ 99.633018][ T167] R13: 00007ffe508a8330 R14: 00007ffe508a78d0 R15: 0000000000543540
[ 99.633279][ T167]
[ 99.633427][ T167] irq event stamp: 132131499
[ 99.633607][ T167] hardirqs last enabled at (132131509): [] __up_console_sem+0x5a/0x70
[ 99.633892][ T167] hardirqs last disabled at (132131518): [] __up_console_sem+0x3f/0x70
[ 99.634187][ T167] softirqs last enabled at (132131240): [] handle_softirqs+0x611/0x940
[ 99.634470][ T167] softirqs last disabled at (132130433): [] __irq_exit_rcu+0x103/0x1c0
[ 99.634746][ T167] ---[ end trace 0000000000000000 ]---
[ 99.649008][ T12] ------------[ cut here ]------------
[ 99.649205][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: kworker/u16:0/12
[ 99.649455][ T12] Modules linked in:
[ 99.649621][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.649909][ T12] Tainted: [W]=WARN
[ 99.650041][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.650223][ T12] Workqueue: netns cleanup_net
[ 99.650367][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.650539][ 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
[ 99.650979][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 99.651147][ T12] RAX: 00000000ffffffa6 RBX: ff1100000b343240 RCX: 1ff4000000018ed5
[ 99.651343][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b3432f0
[ 99.651525][ T12] RBP: ff11000008589000 R08: 1fe220000166865f R09: ff11000001afd1d0
[ 99.651706][ T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 99.651893][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 99.652090][ T12] FS: 0000000000000000(0000) GS:ff110000acdd3000(0000) knlGS:0000000000000000
[ 99.652320][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.652474][ T12] CR2: 00007f1e46b1fc40 CR3: 0000000023339001 CR4: 0000000000771ef0
[ 99.652656][ T12] PKRU: 55555554
[ 99.652749][ T12] Call Trace:
[ 99.652843][ T12]
[ 99.652912][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 99.653072][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 99.653226][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 99.653355][ T12] default_device_exit_batch+0x38b/0x600
[ 99.653477][ T12] ? generic_xdp_install+0x400/0x400
[ 99.653598][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 99.653726][ T12] ? unregister_netdev+0x60/0x60
[ 99.653852][ T12] ? rtnl_is_locked+0x15/0x20
[ 99.653976][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 99.654107][ T12] ops_undo_list+0x2ce/0x8f0
[ 99.654238][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 99.654359][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.654483][ T12] cleanup_net+0x431/0x890
[ 99.654606][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 99.654729][ T12] ? process_one_work+0xdb7/0x1410
[ 99.654858][ T12] ? lock_acquire+0x134/0x160
[ 99.654981][ T12] ? rcu_is_watching+0x15/0xd0
[ 99.655111][ T12] process_one_work+0xdf8/0x1410
[ 99.655244][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 99.655366][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 99.655492][ T12] worker_thread+0x4f1/0xd60
[ 99.655619][ T12] ? rescuer_thread+0x1320/0x1320
[ 99.655743][ T12] kthread+0x367/0x460
[ 99.655836][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.655999][ T12] ? kthread_affine_node+0x330/0x330
[ 99.656122][ T12] ret_from_fork+0x474/0x6b0
[ 99.656252][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 99.656403][ T12] ? __switch_to+0x5a3/0xe00
[ 99.656526][ T12] ? kthread_affine_node+0x330/0x330
[ 99.656650][ T12] ret_from_fork_asm+0x11/0x20
[ 99.656785][ T12]
[ 99.656883][ T12] irq event stamp: 2621
[ 99.656973][ T12] hardirqs last enabled at (2629): [] __up_console_sem+0x5a/0x70
[ 99.657193][ T12] hardirqs last disabled at (2638): [] __up_console_sem+0x3f/0x70
[ 99.657406][ T12] softirqs last enabled at (2314): [] handle_softirqs+0x611/0x940
[ 99.657617][ T12] softirqs last disabled at (2309): [] __irq_exit_rcu+0x103/0x1c0
[ 99.657827][ T12] ---[ end trace 0000000000000000 ]---