[ 9.791152][ T167] ------------[ cut here ]------------
[ 9.791372][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: unshare/167
[ 9.791825][ T167] Modules linked in:
[ 9.792017][ T167] CPU: 0 UID: 0 PID: 167 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.792475][ T167] Tainted: [W]=WARN
[ 9.792582][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.792780][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.793010][ 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
[ 9.793636][ T167] RSP: 0018:ffa0000000847ab0 EFLAGS: 00010286
[ 9.793983][ T167] RAX: 00000000ffffffa6 RBX: ff110000092081c0 RCX: 1ff4000000108f1c
[ 9.794195][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009208270
[ 9.794421][ T167] RBP: ff11000007ea9000 R08: 1fe220000124104f R09: ff1100000c1bd180
[ 9.794730][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.795036][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007ea9000
[ 9.795281][ T167] FS: 00007fe482d56740(0000) GS:ff110000a37d3000(0000) knlGS:0000000000000000
[ 9.795809][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.796066][ T167] CR2: 0000562e9cb90310 CR3: 0000000005541002 CR4: 0000000000771ef0
[ 9.796399][ T167] PKRU: 55555554
[ 9.796508][ T167] Call Trace:
[ 9.796615][ T167]
[ 9.796690][ T167] ? ip6_route_dev_notify+0x250/0x380
[ 9.796834][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.797072][ T167] ? notifier_call_chain+0xb0/0x320
[ 9.797216][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.797325][ T167] register_netdevice+0x137a/0x1980
[ 9.797486][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 9.797762][ T167] register_netdev+0x23/0x40
[ 9.797903][ T167] loopback_net_init+0x7d/0x150
[ 9.798046][ T167] ops_init+0x187/0x560
[ 9.798157][ T167] setup_net+0x11b/0x3b0
[ 9.798266][ T167] ? unregister_pernet_device+0x80/0x80
[ 9.798514][ T167] ? lockdep_init_map_type+0x5d/0x250
[ 9.798662][ T167] ? mutex_init_lockdep+0xf6/0x120
[ 9.798805][ T167] copy_net_ns+0x2fd/0x450
[ 9.798947][ T167] create_new_namespaces+0x371/0xa10
[ 9.799186][ T167] unshare_nsproxy_namespaces+0xa5/0x150
[ 9.799330][ T167] ksys_unshare+0x47e/0x8c0
[ 9.799491][ T167] ? walk_process_tree+0x350/0x350
[ 9.799637][ T167] __x64_sys_unshare+0x34/0x50
[ 9.799876][ T167] ? do_syscall_64+0x82/0xfc0
[ 9.800021][ T167] do_syscall_64+0x117/0xfc0
[ 9.800180][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.800398][ T167] ? exc_page_fault+0xee/0x100
[ 9.800607][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.800860][ T167] RIP: 0033:0x7fe482e51bcb
[ 9.801081][ 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
[ 9.801743][ T167] RSP: 002b:00007ffe6229d008 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 9.802057][ T167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe482e51bcb
[ 9.802269][ T167] RDX: 0000000000000000 RSI: 00007ffe6229cd70 RDI: 0000000040000000
[ 9.802496][ T167] RBP: 00007ffe6229d390 R08: 00007ffe6229cf60 R09: 0000000000000000
[ 9.802806][ T167] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 9.803016][ T167] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000562e9cb93b68
[ 9.803234][ T167]
[ 9.803457][ T167] irq event stamp: 13197
[ 9.803566][ T167] hardirqs last enabled at (13205): [] __up_console_sem+0x5a/0x70
[ 9.803814][ T167] hardirqs last disabled at (13212): [] __up_console_sem+0x3f/0x70
[ 9.804158][ T167] softirqs last enabled at (12698): [] __alloc_skb+0x4c5/0x5f0
[ 9.804418][ T167] softirqs last disabled at (12696): [] __alloc_skb+0x4c5/0x5f0
[ 9.804759][ T167] ---[ end trace 0000000000000000 ]---
[ 9.840301][ T167] ------------[ cut here ]------------
[ 9.840531][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 9.840842][ T167] Modules linked in:
[ 9.840993][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.841333][ T167] Tainted: [W]=WARN
[ 9.841509][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.841720][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.841940][ 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
[ 9.842469][ T167] RSP: 0018:ffa0000000847b58 EFLAGS: 00010286
[ 9.842681][ T167] RAX: 00000000ffffffa6 RBX: ff110000059e33c0 RCX: 1ff4000000108f31
[ 9.842920][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000059e3470
[ 9.843157][ T167] RBP: ff11000009bc0000 R08: 1fe2200000b3c68f R09: ff1100000c1bd158
[ 9.843422][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.843668][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009bc0000
[ 9.843911][ T167] FS: 00000000134bd400(0000) GS:ff110000a38d3000(0000) knlGS:0000000000000000
[ 9.844190][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.844424][ T167] CR2: 00007fa01b55a000 CR3: 000000000c660004 CR4: 0000000000771ef0
[ 9.844668][ T167] PKRU: 55555554
[ 9.844814][ T167] Call Trace:
[ 9.844959][ T167]
[ 9.845075][ T167] ? ip6_route_dev_notify+0x3d/0x380
[ 9.845259][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.845466][ T167] ? notifier_call_chain+0xb0/0x320
[ 9.845647][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.845797][ T167] register_netdevice+0x137a/0x1980
[ 9.845978][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 9.846186][ T167] ? alloc_netdev_mqs+0xec0/0x1410
[ 9.846366][ T167] tun_set_iff.constprop.0+0xc61/0x1850
[ 9.846572][ T167] ? tun_attach.isra.0+0x1630/0x1630
[ 9.846748][ T167] ? tun_get+0x106/0x240
[ 9.846894][ T167] __tun_chr_ioctl+0x4b0/0x2470
[ 9.847074][ T167] ? build_open_flags+0x620/0x620
[ 9.847254][ T167] ? tun_chr_read_iter+0x210/0x210
[ 9.847452][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 9.847633][ T167] ? __x64_sys_openat+0x10e/0x210
[ 9.847813][ T167] ? fput_close_sync+0xde/0x1b0
[ 9.847991][ T167] ? __ia32_sys_open+0x1b0/0x1b0
[ 9.848168][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.848347][ T167] do_syscall_64+0x117/0xfc0
[ 9.848542][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.848719][ T167] ? exc_page_fault+0xee/0x100
[ 9.848896][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.849108][ T167] RIP: 0033:0x47cc8d
[ 9.849267][ 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
[ 9.849804][ T167] RSP: 002b:00007ffde5f67740 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.850050][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.850292][ T167] RDX: 00007ffde5f677c0 RSI: 00000000400454ca RDI: 0000000000000005
[ 9.850552][ T167] RBP: 00007ffde5f67790 R08: 0000000000000000 R09: 0000000000000000
[ 9.850789][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffde5f67c98
[ 9.851028][ T167] R13: 00007ffde5f67d20 R14: 0000000000000002 R15: 0000000000543540
[ 9.851281][ T167]
[ 9.851440][ T167] irq event stamp: 35771
[ 9.851583][ T167] hardirqs last enabled at (35781): [] __up_console_sem+0x5a/0x70
[ 9.851852][ T167] hardirqs last disabled at (35790): [] __up_console_sem+0x3f/0x70
[ 9.852120][ T167] softirqs last enabled at (35188): [] __alloc_skb+0x4c5/0x5f0
[ 9.852413][ T167] softirqs last disabled at (35186): [] __alloc_skb+0x4c5/0x5f0
[ 9.852683][ T167] ---[ end trace 0000000000000000 ]---
[ 9.853264][ T167] ------------[ cut here ]------------
[ 9.853491][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 9.853906][ T167] Modules linked in:
[ 9.854334][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.854808][ T167] Tainted: [W]=WARN
[ 9.854950][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.855153][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.855365][ 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
[ 9.855882][ T167] RSP: 0018:ffa0000000847c58 EFLAGS: 00010286
[ 9.856088][ T167] RAX: 00000000ffffffa6 RBX: ff110000059e21c0 RCX: 1ff4000000108f51
[ 9.856348][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000059e2270
[ 9.856609][ T167] RBP: ff11000009bc0000 R08: 1fe2200000b3c44f R09: ff1100000c1bd158
[ 9.856846][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[ 9.857081][ T167] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[ 9.857318][ T167] FS: 00000000134bd400(0000) GS:ff110000a38d3000(0000) knlGS:0000000000000000
[ 9.857616][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.857822][ T167] CR2: 00007fa01b55a000 CR3: 000000000c660004 CR4: 0000000000771ef0
[ 9.858060][ T167] PKRU: 55555554
[ 9.858202][ T167] Call Trace:
[ 9.858342][ T167]
[ 9.858476][ T167] ? rcu_is_watching+0x15/0xd0
[ 9.858653][ T167] rtnetlink_event+0xe0/0x1f0
[ 9.858832][ T167] notifier_call_chain+0xb0/0x320
[ 9.859013][ T167] netdev_update_features+0xa9/0xb0
[ 9.859189][ T167] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 9.859413][ T167] __tun_chr_ioctl+0xc7f/0x2470
[ 9.859592][ T167] ? tun_chr_read_iter+0x210/0x210
[ 9.859767][ T167] ? fd_install+0x19b/0x3d0
[ 9.859944][ T167] ? update_socket_protocol+0x10/0x10
[ 9.860119][ T167] ? alloc_file_clone+0xe0/0xe0
[ 9.860297][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.860499][ T167] do_syscall_64+0x117/0xfc0
[ 9.860676][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.860850][ T167] ? exc_page_fault+0xee/0x100
[ 9.861025][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.861229][ T167] RIP: 0033:0x47cc8d
[ 9.861399][ 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
[ 9.861901][ T167] RSP: 002b:00007ffde5f67780 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.862140][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.862508][ T167] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 9.862748][ T167] RBP: 00007ffde5f677d0 R08: 0000000000000000 R09: 0000000000000000
[ 9.862983][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffde5f67c98
[ 9.863216][ T167] R13: 00007ffde5f67d20 R14: 0000000000000002 R15: 0000000000543540
[ 9.863478][ T167]
[ 9.863621][ T167] irq event stamp: 36551
[ 9.863767][ T167] hardirqs last enabled at (36561): [] __up_console_sem+0x5a/0x70
[ 9.864033][ T167] hardirqs last disabled at (36570): [] __up_console_sem+0x3f/0x70
[ 9.864297][ T167] softirqs last enabled at (36040): [] __alloc_skb+0x4c5/0x5f0
[ 9.864589][ T167] softirqs last disabled at (36038): [] __alloc_skb+0x4c5/0x5f0
[ 9.864856][ T167] ---[ end trace 0000000000000000 ]---
[ 9.865500][ T167] ------------[ cut here ]------------
[ 9.865678][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 9.865992][ T167] Modules linked in:
[ 9.866146][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.866524][ T167] Tainted: [W]=WARN
[ 9.866674][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.866892][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.867118][ 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
[ 9.867670][ T167] RSP: 0018:ffa0000000847850 EFLAGS: 00010286
[ 9.867891][ T167] RAX: 00000000ffffffa6 RBX: ff110000059e24c0 RCX: 1ff4000000108ed0
[ 9.868140][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000059e2570
[ 9.868406][ T167] RBP: ff11000009bc0000 R08: 1fe2200000b3c4af R09: ff1100000c1bd158
[ 9.868659][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[ 9.868910][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000057a8900
[ 9.869161][ T167] FS: 00000000134bd400(0000) GS:ff110000a38d3000(0000) knlGS:0000000000000000
[ 9.869469][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.869796][ T167] CR2: 00007fa01b55a000 CR3: 000000000c660004 CR4: 0000000000771ef0
[ 9.870048][ T167] PKRU: 55555554
[ 9.870198][ T167] Call Trace:
[ 9.870348][ T167]
[ 9.870578][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.870764][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.870915][ T167] ? mark_held_locks+0x40/0x70
[ 9.871100][ T167] __dev_notify_flags+0x1b8/0x280
[ 9.871287][ T167] ? netif_change_name+0x8c0/0x8c0
[ 9.871585][ T167] ? __dev_change_flags+0x4a4/0x660
[ 9.871770][ T167] ? netif_set_allmulti+0x250/0x250
[ 9.871955][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 9.872141][ T167] netif_change_flags+0xfe/0x190
[ 9.872443][ T167] ? cap_capable+0x1d6/0x3e0
[ 9.872630][ T167] dev_change_flags+0xa5/0x170
[ 9.872817][ T167] devinet_ioctl+0x10f0/0x1840
[ 9.873004][ T167] ? inet_ifa_byprefix+0x220/0x220
[ 9.873283][ T167] ? _copy_from_user+0x42/0x90
[ 9.873496][ T167] inet_ioctl+0x34b/0x3a0
[ 9.873649][ T167] ? inet_dgram_connect+0x3e0/0x3e0
[ 9.873837][ T167] ? __lock_acquire+0x508/0xc10
[ 9.874127][ T167] ? __might_fault+0x97/0x140
[ 9.874312][ T167] ? __might_fault+0x97/0x140
[ 9.874527][ T167] sock_do_ioctl+0x10e/0x270
[ 9.874716][ T167] ? __sock_recv_cmsgs+0x550/0x550
[ 9.874995][ T167] ? ioctl_file_clone+0xd0/0xd0
[ 9.875184][ T167] sock_ioctl+0x3cb/0x5f0
[ 9.875337][ T167] ? br_ioctl_call+0x80/0x80
[ 9.875546][ T167] ? fd_install+0x19b/0x3d0
[ 9.875830][ T167] ? update_socket_protocol+0x10/0x10
[ 9.876015][ T167] ? alloc_file_clone+0xe0/0xe0
[ 9.876203][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.876408][ T167] do_syscall_64+0x117/0xfc0
[ 9.876684][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.876869][ T167] ? exc_page_fault+0xee/0x100
[ 9.877054][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.877269][ T167] RIP: 0033:0x47cc8d
[ 9.877443][ 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
[ 9.877973][ T167] RSP: 002b:00007ffde5f67760 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.878320][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.878596][ T167] RDX: 00007ffde5f677d0 RSI: 0000000000008914 RDI: 0000000000000006
[ 9.878943][ T167] RBP: 00007ffde5f677b0 R08: 0000000000000000 R09: 0000000000000000
[ 9.879195][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffde5f67c98
[ 9.879468][ T167] R13: 00007ffde5f67d20 R14: 0000000000000002 R15: 0000000000543540
[ 9.879824][ T167]
[ 9.879975][ T167] irq event stamp: 37577
[ 9.880130][ T167] hardirqs last enabled at (37587): [] __up_console_sem+0x5a/0x70
[ 9.880435][ T167] hardirqs last disabled at (37598): [] __up_console_sem+0x3f/0x70
[ 9.880720][ T167] softirqs last enabled at (36890): [] __alloc_skb+0x4c5/0x5f0
[ 9.881002][ T167] softirqs last disabled at (36888): [] __alloc_skb+0x4c5/0x5f0
[ 9.881400][ T167] ---[ end trace 0000000000000000 ]---
[ 99.624116][ T167] ------------[ cut here ]------------
[ 99.624422][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 99.624774][ T167] Modules linked in:
[ 99.624939][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.625314][ T167] Tainted: [W]=WARN
[ 99.625554][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.625859][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.626172][ 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
[ 99.626811][ T167] RSP: 0018:ffa00000008476f0 EFLAGS: 00010286
[ 99.627101][ T167] RAX: 00000000ffffffa6 RBX: ff110000092bbe40 RCX: 1ff4000000108ea4
[ 99.627435][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092bbef0
[ 99.627772][ T167] RBP: ff11000009bc0000 R08: 1fe22000012577df R09: ff1100000c1bd158
[ 99.628093][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[ 99.628426][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000847790
[ 99.628767][ T167] FS: 0000000000000000(0000) GS:ff110000a38d3000(0000) knlGS:0000000000000000
[ 99.629131][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.629434][ T167] CR2: 0000556ee5349c20 CR3: 000000000d083006 CR4: 0000000000771ef0
[ 99.629768][ T167] PKRU: 55555554
[ 99.629984][ T167] Call Trace:
[ 99.630201][ T167]
[ 99.630402][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 99.630678][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 99.630904][ T167] netif_close_many+0x2ac/0x640
[ 99.631206][ T167] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 99.631511][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 99.631772][ T167] ? find_held_lock+0x2b/0x80
[ 99.632075][ T167] ? __dev_close_many+0x530/0x530
[ 99.632368][ T167] ? netif_close_many_and_unlock+0x22/0x2c0
[ 99.632784][ T167] unregister_netdevice_many_notify+0x671/0x19a0
[ 99.633126][ T167] ? select_fallback_rq+0x510/0x510
[ 99.633490][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 99.633828][ T167] ? find_held_lock+0x2b/0x80
[ 99.634078][ T167] ? find_held_lock+0x2b/0x80
[ 99.634370][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.634739][ T167] ? __queue_work+0x315/0xc00
[ 99.635038][ T167] unregister_netdevice_queue+0x290/0x470
[ 99.635332][ T167] ? mark_held_locks+0x40/0x70
[ 99.635594][ T167] ? unregister_netdevice_many+0x20/0x20
[ 99.635902][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.636194][ T167] ? queue_delayed_work_on+0x95/0x100
[ 99.636458][ T167] __tun_detach+0xf36/0x1320
[ 99.636763][ T167] tun_chr_close+0xac/0x1b0
[ 99.637053][ T167] __fput+0x363/0xac0
[ 99.637212][ T167] task_work_run+0x12b/0x240
[ 99.637416][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.637613][ T167] ? task_work_cancel+0x30/0x30
[ 99.637804][ T167] ? kmem_cache_free+0xf8/0x560
[ 99.637998][ T167] do_exit+0x614/0xdc0
[ 99.638154][ T167] ? exit_notify+0x890/0x890
[ 99.638353][ T167] ? find_held_lock+0x2b/0x80
[ 99.638561][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.638760][ T167] ? __rwlock_init+0x150/0x150
[ 99.638952][ T167] do_group_exit+0xb8/0x370
[ 99.639142][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 99.639366][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.639567][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 99.639762][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 99.639950][ T167] get_signal+0x172e/0x1820
[ 99.640146][ T167] ? __sys_sendto+0x2c9/0x400
[ 99.640336][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 99.640536][ T167] ? __might_fault+0x97/0x140
[ 99.640747][ T167] ? ptrace_signal+0x600/0x600
[ 99.640944][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 99.641138][ T167] ? get_sigframe_size+0x20/0x20
[ 99.641333][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.641538][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.641773][ T167] exit_to_user_mode_loop+0x86/0x520
[ 99.641964][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.642157][ T167] do_syscall_64+0x437/0xfc0
[ 99.642352][ T167] ? irq_exit_rcu+0x1a/0x30
[ 99.642556][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 99.642794][ T167] RIP: 0033:0x4c2d9e
[ 99.642961][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 99.643211][ T167] RSP: 002b:00007ffde5f670f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 99.643501][ T167] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 99.643857][ T167] RDX: 0000000000000014 RSI: 00007ffde5f671d0 RDI: 0000000000000007
[ 99.644202][ T167] RBP: 00007ffde5f67100 R08: 00007ffde5f67190 R09: 000000000000000c
[ 99.644579][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde5f67c98
[ 99.644854][ T167] R13: 00007ffde5f67d20 R14: 00007ffde5f672c0 R15: 0000000000543540
[ 99.645121][ T167]
[ 99.645278][ T167] irq event stamp: 115450505
[ 99.645481][ T167] hardirqs last enabled at (115450517): [] __up_console_sem+0x5a/0x70
[ 99.645786][ T167] hardirqs last disabled at (115450526): [] __up_console_sem+0x3f/0x70
[ 99.646123][ T167] softirqs last enabled at (115450100): [] handle_softirqs+0x611/0x940
[ 99.646443][ T167] softirqs last disabled at (115449959): [] __irq_exit_rcu+0x103/0x1c0
[ 99.646753][ T167] ---[ end trace 0000000000000000 ]---
[ 99.652720][ T167] ------------[ cut here ]------------
[ 99.652919][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 99.653248][ T167] Modules linked in:
[ 99.653961][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.654892][ T167] Tainted: [W]=WARN
[ 99.655612][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.656396][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.657120][ 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
[ 99.657699][ T167] RSP: 0018:ffa0000000847820 EFLAGS: 00010286
[ 99.657924][ T167] RAX: 00000000ffffffa6 RBX: ff110000092baf40 RCX: 1ff4000000108eca
[ 99.658181][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092baff0
[ 99.658456][ T167] RBP: ff11000009bc0000 R08: 1fe22000012575ff R09: ff1100000c1bd158
[ 99.658721][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 99.658979][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 99.659239][ T167] FS: 0000000000000000(0000) GS:ff110000a38d3000(0000) knlGS:0000000000000000
[ 99.659544][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.659777][ T167] CR2: 0000556ee5349c20 CR3: 000000000d083006 CR4: 0000000000771ef0
[ 99.660033][ T167] PKRU: 55555554
[ 99.660186][ T167] Call Trace:
[ 99.660341][ T167]
[ 99.660480][ T167] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 99.660719][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 99.660939][ T167] ? find_held_lock+0x2b/0x80
[ 99.661128][ T167] ? find_held_lock+0x2b/0x80
[ 99.661318][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.661522][ T167] ? __queue_work+0x315/0xc00
[ 99.661722][ T167] unregister_netdevice_queue+0x290/0x470
[ 99.661911][ T167] ? mark_held_locks+0x40/0x70
[ 99.662100][ T167] ? unregister_netdevice_many+0x20/0x20
[ 99.662289][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.662489][ T167] ? queue_delayed_work_on+0x95/0x100
[ 99.662687][ T167] __tun_detach+0xf36/0x1320
[ 99.662879][ T167] tun_chr_close+0xac/0x1b0
[ 99.663069][ T167] __fput+0x363/0xac0
[ 99.663228][ T167] task_work_run+0x12b/0x240
[ 99.663429][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.663627][ T167] ? task_work_cancel+0x30/0x30
[ 99.663818][ T167] ? kmem_cache_free+0xf8/0x560
[ 99.664010][ T167] do_exit+0x614/0xdc0
[ 99.664165][ T167] ? exit_notify+0x890/0x890
[ 99.664354][ T167] ? find_held_lock+0x2b/0x80
[ 99.664556][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.664752][ T167] ? __rwlock_init+0x150/0x150
[ 99.664942][ T167] do_group_exit+0xb8/0x370
[ 99.665131][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 99.665353][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.665553][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 99.665754][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 99.665944][ T167] get_signal+0x172e/0x1820
[ 99.666135][ T167] ? __sys_sendto+0x2c9/0x400
[ 99.666324][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 99.666523][ T167] ? __might_fault+0x97/0x140
[ 99.666723][ T167] ? ptrace_signal+0x600/0x600
[ 99.666915][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 99.667108][ T167] ? get_sigframe_size+0x20/0x20
[ 99.667301][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.667499][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.667738][ T167] exit_to_user_mode_loop+0x86/0x520
[ 99.667927][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.668119][ T167] do_syscall_64+0x437/0xfc0
[ 99.668310][ T167] ? irq_exit_rcu+0x1a/0x30
[ 99.668510][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 99.668743][ T167] RIP: 0033:0x4c2d9e
[ 99.668903][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 99.669132][ T167] RSP: 002b:00007ffde5f670f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 99.669405][ T167] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 99.669675][ T167] RDX: 0000000000000014 RSI: 00007ffde5f671d0 RDI: 0000000000000007
[ 99.669932][ T167] RBP: 00007ffde5f67100 R08: 00007ffde5f67190 R09: 000000000000000c
[ 99.670191][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde5f67c98
[ 99.670462][ T167] R13: 00007ffde5f67d20 R14: 00007ffde5f672c0 R15: 0000000000543540
[ 99.670735][ T167]
[ 99.670888][ T167] irq event stamp: 115464447
[ 99.671076][ T167] hardirqs last enabled at (115464457): [] __up_console_sem+0x5a/0x70
[ 99.671366][ T167] hardirqs last disabled at (115464466): [] __up_console_sem+0x3f/0x70
[ 99.671679][ T167] softirqs last enabled at (115463906): [] handle_softirqs+0x611/0x940
[ 99.671973][ T167] softirqs last disabled at (115463899): [] __irq_exit_rcu+0x103/0x1c0
[ 99.672264][ T167] ---[ end trace 0000000000000000 ]---
[ 99.686651][ T68] ------------[ cut here ]------------
[ 99.686937][ T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: kworker/u16:1/68
[ 99.687219][ T68] Modules linked in:
[ 99.687354][ T68] CPU: 0 UID: 0 PID: 68 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.687719][ T68] Tainted: [W]=WARN
[ 99.687822][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.687989][ T68] Workqueue: netns cleanup_net
[ 99.688151][ T68] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.688323][ 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
[ 99.688808][ T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[ 99.688978][ T68] RAX: 00000000ffffffa6 RBX: ff11000009016dc0 RCX: 1ff4000000092ed5
[ 99.689183][ T68] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009016e70
[ 99.689390][ T68] RBP: ff11000007ea9000 R08: 1fe2200001202dcf R09: ff11000008c0aed0
[ 99.689588][ T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 99.689791][ T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 99.689990][ T68] FS: 0000000000000000(0000) GS:ff110000a37d3000(0000) knlGS:0000000000000000
[ 99.690224][ T68] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.690399][ T68] CR2: 00007f9c8e316f98 CR3: 0000000010d39006 CR4: 0000000000771ef0
[ 99.690597][ T68] PKRU: 55555554
[ 99.690703][ T68] Call Trace:
[ 99.690802][ T68]
[ 99.690873][ T68] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 99.691042][ T68] ? unregister_netdevice_queued+0x80/0x80
[ 99.691209][ T68] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 99.691345][ T68] default_device_exit_batch+0x38b/0x600
[ 99.691484][ T68] ? generic_xdp_install+0x400/0x400
[ 99.691622][ T68] ? ipmr_free_table+0x12e/0x2a0
[ 99.691756][ T68] ? unregister_netdev+0x60/0x60
[ 99.691890][ T68] ? rtnl_is_locked+0x15/0x20
[ 99.692022][ T68] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 99.692157][ T68] ops_undo_list+0x2ce/0x8f0
[ 99.692291][ T68] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 99.692425][ T68] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.692561][ T68] cleanup_net+0x431/0x890
[ 99.694022][ T68] ? net_passive_dec+0x1c0/0x1c0
[ 99.694180][ T68] ? process_one_work+0xdb7/0x1410
[ 99.694317][ T68] ? lock_acquire+0x134/0x160
[ 99.694461][ T68] ? rcu_is_watching+0x15/0xd0
[ 99.694596][ T68] process_one_work+0xdf8/0x1410
[ 99.694743][ T68] ? pwq_dec_nr_in_flight+0x710/0x710
[ 99.694875][ T68] ? lock_acquire.part.0+0xbc/0x260
[ 99.695013][ T68] worker_thread+0x4f1/0xd60
[ 99.695149][ T68] ? rescuer_thread+0x1320/0x1320
[ 99.695280][ T68] ? __kthread_parkme+0xbd/0x210
[ 99.695421][ T68] ? rescuer_thread+0x1320/0x1320
[ 99.695552][ T68] kthread+0x367/0x460
[ 99.695660][ T68] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.695831][ T68] ? kthread_affine_node+0x330/0x330
[ 99.695965][ T68] ret_from_fork+0x474/0x6b0
[ 99.696106][ T68] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 99.696273][ T68] ? __switch_to+0x5a3/0xe00
[ 99.696410][ T68] ? kthread_affine_node+0x330/0x330
[ 99.696542][ T68] ret_from_fork_asm+0x11/0x20
[ 99.696685][ T68]
[ 99.696784][ T68] irq event stamp: 2581
[ 99.696883][ T68] hardirqs last enabled at (2589): [] __up_console_sem+0x5a/0x70
[ 99.697114][ T68] hardirqs last disabled at (2598): [] __up_console_sem+0x3f/0x70
[ 99.697342][ T68] softirqs last enabled at (2408): [] handle_softirqs+0x611/0x940
[ 99.697575][ T68] softirqs last disabled at (2395): [] __irq_exit_rcu+0x103/0x1c0
[ 99.697811][ T68] ---[ end trace 0000000000000000 ]---