[ 9.428726][ T167] ------------[ cut here ]------------
[ 9.429599][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: unshare/167
[ 9.430034][ T167] Modules linked in:
[ 9.430236][ T167] CPU: 3 UID: 0 PID: 167 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.430627][ T167] Tainted: [W]=WARN
[ 9.430730][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.430900][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.431075][ 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
[ 9.431544][ T167] RSP: 0018:ffa0000000817ab0 EFLAGS: 00010286
[ 9.431709][ T167] RAX: 00000000ffffffa6 RBX: ff1100000b5579c0 RCX: 1ff4000000102f1c
[ 9.431909][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b557a70
[ 9.432103][ T167] RBP: ff11000007cfc000 R08: 1fe22000016aaf4f R09: ff1100000c53d180
[ 9.432304][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.432494][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007cfc000
[ 9.432688][ T167] FS: 00007f456c37a740(0000) GS:ff11000084d53000(0000) knlGS:0000000000000000
[ 9.432921][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.433083][ T167] CR2: 000055605fc7e310 CR3: 000000000bef9006 CR4: 0000000000771ef0
[ 9.433292][ T167] PKRU: 55555554
[ 9.433391][ T167] Call Trace:
[ 9.433488][ T167]
[ 9.433556][ T167] ? ip6_route_dev_notify+0x250/0x380
[ 9.433688][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.433818][ T167] ? notifier_call_chain+0xb0/0x320
[ 9.433955][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.434055][ T167] register_netdevice+0x137a/0x1980
[ 9.434190][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 9.434362][ T167] register_netdev+0x23/0x40
[ 9.434490][ T167] loopback_net_init+0x7d/0x150
[ 9.434629][ T167] ops_init+0x187/0x560
[ 9.434729][ T167] setup_net+0x11b/0x3b0
[ 9.434827][ T167] ? unregister_pernet_device+0x80/0x80
[ 9.434962][ T167] ? lockdep_init_map_type+0x5d/0x250
[ 9.435093][ T167] ? mutex_init_lockdep+0xf6/0x120
[ 9.435230][ T167] copy_net_ns+0x2fd/0x450
[ 9.435361][ T167] create_new_namespaces+0x371/0xa10
[ 9.435493][ T167] unshare_nsproxy_namespaces+0xa5/0x150
[ 9.435623][ T167] ksys_unshare+0x47e/0x8c0
[ 9.435753][ T167] ? walk_process_tree+0x350/0x350
[ 9.435893][ T167] __x64_sys_unshare+0x34/0x50
[ 9.436021][ T167] ? do_syscall_64+0x82/0xfc0
[ 9.436149][ T167] do_syscall_64+0x117/0xfc0
[ 9.436286][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.436430][ T167] ? exc_page_fault+0xee/0x100
[ 9.436559][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.436718][ T167] RIP: 0033:0x7f456c475bcb
[ 9.436859][ 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
[ 9.437321][ T167] RSP: 002b:00007ffcbda46a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 9.437517][ T167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f456c475bcb
[ 9.437709][ T167] RDX: 0000000000000000 RSI: 00007ffcbda46770 RDI: 0000000040000000
[ 9.437904][ T167] RBP: 00007ffcbda46d90 R08: 00007ffcbda46960 R09: 0000000000000000
[ 9.438096][ T167] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 9.438295][ T167] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055605fc81b68
[ 9.438490][ T167]
[ 9.438585][ T167] irq event stamp: 13553
[ 9.438681][ T167] hardirqs last enabled at (13561): [] __up_console_sem+0x5a/0x70
[ 9.438909][ T167] hardirqs last disabled at (13570): [] __up_console_sem+0x3f/0x70
[ 9.439131][ T167] softirqs last enabled at (13098): [] handle_softirqs+0x611/0x940
[ 9.439357][ T167] softirqs last disabled at (12499): [] __irq_exit_rcu+0x103/0x1c0
[ 9.439581][ T167] ---[ end trace 0000000000000000 ]---
[ 9.468018][ T167] ------------[ cut here ]------------
[ 9.468166][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/167
[ 9.468417][ T167] Modules linked in:
[ 9.468515][ T167] CPU: 3 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.469031][ T167] Tainted: [W]=WARN
[ 9.469124][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.469292][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.469530][ 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
[ 9.470006][ T167] RSP: 0018:ffa0000000817b58 EFLAGS: 00010286
[ 9.470157][ T167] RAX: 00000000ffffffa6 RBX: ff11000008fc19c0 RCX: 1ff4000000102f31
[ 9.470343][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008fc1a70
[ 9.470519][ T167] RBP: ff1100000e1fc000 R08: 1fe22000011f834f R09: ff1100000c53d158
[ 9.470758][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.471030][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e1fc000
[ 9.471307][ T167] FS: 0000000037900400(0000) GS:ff11000084d53000(0000) knlGS:0000000000000000
[ 9.471611][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.471761][ T167] CR2: 00007fe59f964000 CR3: 00000000093f0001 CR4: 0000000000771ef0
[ 9.471951][ T167] PKRU: 55555554
[ 9.472040][ T167] Call Trace:
[ 9.472131][ T167]
[ 9.472194][ T167] ? ip6_route_dev_notify+0x3d/0x380
[ 9.472324][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.472441][ T167] ? notifier_call_chain+0xb0/0x320
[ 9.472564][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.472656][ T167] register_netdevice+0x137a/0x1980
[ 9.472781][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 9.472940][ T167] ? alloc_netdev_mqs+0xec0/0x1410
[ 9.473063][ T167] tun_set_iff.constprop.0+0xc61/0x1850
[ 9.473186][ T167] ? tun_attach.isra.0+0x1630/0x1630
[ 9.473311][ T167] ? tun_get+0x106/0x240
[ 9.473406][ T167] __tun_chr_ioctl+0x4b0/0x2470
[ 9.473524][ T167] ? build_open_flags+0x620/0x620
[ 9.473643][ T167] ? tun_chr_read_iter+0x210/0x210
[ 9.473761][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 9.473889][ T167] ? __x64_sys_openat+0x10e/0x210
[ 9.474005][ T167] ? fput_close_sync+0xde/0x1b0
[ 9.474124][ T167] ? __ia32_sys_open+0x1b0/0x1b0
[ 9.474248][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.474369][ T167] do_syscall_64+0x117/0xfc0
[ 9.474488][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.474609][ T167] ? exc_page_fault+0xee/0x100
[ 9.474726][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.474879][ T167] RIP: 0033:0x47cc8d
[ 9.474976][ 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
[ 9.475403][ T167] RSP: 002b:00007ffe94f5a540 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.475586][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.475774][ T167] RDX: 00007ffe94f5a5c0 RSI: 00000000400454ca RDI: 0000000000000005
[ 9.475962][ T167] RBP: 00007ffe94f5a590 R08: 0000000000000000 R09: 0000000000000000
[ 9.476139][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe94f5aa98
[ 9.476321][ T167] R13: 00007ffe94f5ab20 R14: 0000000000000002 R15: 0000000000543540
[ 9.476510][ T167]
[ 9.476598][ T167] irq event stamp: 36307
[ 9.476688][ T167] hardirqs last enabled at (36315): [] __up_console_sem+0x5a/0x70
[ 9.476905][ T167] hardirqs last disabled at (36324): [] __up_console_sem+0x3f/0x70
[ 9.477119][ T167] softirqs last enabled at (35902): [] handle_softirqs+0x611/0x940
[ 9.477348][ T167] softirqs last disabled at (35595): [] __irq_exit_rcu+0x103/0x1c0
[ 9.477595][ T167] ---[ end trace 0000000000000000 ]---
[ 9.478110][ T167] ------------[ cut here ]------------
[ 9.478240][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/167
[ 9.478475][ T167] Modules linked in:
[ 9.478570][ T167] CPU: 3 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.478841][ T167] Tainted: [W]=WARN
[ 9.478937][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.479082][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.479243][ 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
[ 9.479662][ T167] RSP: 0018:ffa0000000817c58 EFLAGS: 00010286
[ 9.479808][ T167] RAX: 00000000ffffffa6 RBX: ff11000008fc0040 RCX: 1ff4000000102f51
[ 9.479991][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008fc00f0
[ 9.480166][ T167] RBP: ff1100000e1fc000 R08: 1fe22000011f801f R09: ff1100000c53d158
[ 9.480344][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[ 9.480519][ T167] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[ 9.480694][ T167] FS: 0000000037900400(0000) GS:ff11000084d53000(0000) knlGS:0000000000000000
[ 9.480905][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.481052][ T167] CR2: 00007fe59f964000 CR3: 00000000093f0001 CR4: 0000000000771ef0
[ 9.481236][ T167] PKRU: 55555554
[ 9.481323][ T167] Call Trace:
[ 9.481411][ T167]
[ 9.481476][ T167] ? rcu_is_watching+0x15/0xd0
[ 9.481600][ T167] rtnetlink_event+0xe0/0x1f0
[ 9.481718][ T167] notifier_call_chain+0xb0/0x320
[ 9.481837][ T167] netdev_update_features+0xa9/0xb0
[ 9.481959][ T167] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 9.482106][ T167] __tun_chr_ioctl+0xc7f/0x2470
[ 9.482229][ T167] ? tun_chr_read_iter+0x210/0x210
[ 9.482348][ T167] ? fd_install+0x19b/0x3d0
[ 9.482468][ T167] ? update_socket_protocol+0x10/0x10
[ 9.482588][ T167] ? alloc_file_clone+0xe0/0xe0
[ 9.482707][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.482826][ T167] do_syscall_64+0x117/0xfc0
[ 9.482947][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.483064][ T167] ? exc_page_fault+0xee/0x100
[ 9.483182][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.483331][ T167] RIP: 0033:0x47cc8d
[ 9.483425][ 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
[ 9.483840][ T167] RSP: 002b:00007ffe94f5a580 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.484022][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.484253][ T167] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 9.484504][ T167] RBP: 00007ffe94f5a5d0 R08: 0000000000000005 R09: 0000000000001ff0
[ 9.484697][ T167] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffe94f5aa98
[ 9.484881][ T167] R13: 00007ffe94f5ab20 R14: 0000000000000002 R15: 0000000000543540
[ 9.485065][ T167]
[ 9.485154][ T167] irq event stamp: 36981
[ 9.485251][ T167] hardirqs last enabled at (36989): [] __up_console_sem+0x5a/0x70
[ 9.485457][ T167] hardirqs last disabled at (36996): [] __up_console_sem+0x3f/0x70
[ 9.485660][ T167] softirqs last enabled at (36566): [] __alloc_skb+0x4c5/0x5f0
[ 9.485872][ T167] softirqs last disabled at (36564): [] __alloc_skb+0x4c5/0x5f0
[ 9.486079][ T167] ---[ end trace 0000000000000000 ]---
[ 9.486565][ T167] ------------[ cut here ]------------
[ 9.486689][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/167
[ 9.486995][ T167] Modules linked in:
[ 9.487162][ T167] CPU: 3 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.487612][ T167] Tainted: [W]=WARN
[ 9.487763][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.488016][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.488276][ 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
[ 9.488980][ T167] RSP: 0018:ffa0000000817850 EFLAGS: 00010286
[ 9.489229][ T167] RAX: 00000000ffffffa6 RBX: ff11000008fc0340 RCX: 1ff4000000102ed0
[ 9.489520][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008fc03f0
[ 9.489813][ T167] RBP: ff1100000e1fc000 R08: 1fe22000011f807f R09: ff1100000c53d158
[ 9.490110][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[ 9.490408][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000057d8900
[ 9.490703][ T167] FS: 0000000037900400(0000) GS:ff11000084d53000(0000) knlGS:0000000000000000
[ 9.491052][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.491307][ T167] CR2: 00007fe59f964000 CR3: 00000000093f0001 CR4: 0000000000771ef0
[ 9.491600][ T167] PKRU: 55555554
[ 9.491747][ T167] Call Trace:
[ 9.491900][ T167]
[ 9.492003][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.492203][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.492353][ T167] ? mark_held_locks+0x40/0x70
[ 9.492550][ T167] __dev_notify_flags+0x1b8/0x280
[ 9.492749][ T167] ? netif_change_name+0x8c0/0x8c0
[ 9.492953][ T167] ? __dev_change_flags+0x4a4/0x660
[ 9.493151][ T167] ? netif_set_allmulti+0x250/0x250
[ 9.493354][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 9.493553][ T167] netif_change_flags+0xfe/0x190
[ 9.493749][ T167] ? cap_capable+0x1d6/0x3e0
[ 9.493957][ T167] dev_change_flags+0xa5/0x170
[ 9.494155][ T167] devinet_ioctl+0x10f0/0x1840
[ 9.494362][ T167] ? inet_ifa_byprefix+0x220/0x220
[ 9.494559][ T167] ? _copy_from_user+0x42/0x90
[ 9.494760][ T167] inet_ioctl+0x34b/0x3a0
[ 9.494917][ T167] ? inet_dgram_connect+0x3e0/0x3e0
[ 9.495115][ T167] ? __lock_acquire+0x508/0xc10
[ 9.495330][ T167] ? __might_fault+0x97/0x140
[ 9.495521][ T167] ? __might_fault+0x97/0x140
[ 9.495673][ T167] sock_do_ioctl+0x10e/0x270
[ 9.495801][ T167] ? __sock_recv_cmsgs+0x550/0x550
[ 9.495937][ T167] ? ioctl_file_clone+0xd0/0xd0
[ 9.496071][ T167] sock_ioctl+0x3cb/0x5f0
[ 9.496167][ T167] ? br_ioctl_call+0x80/0x80
[ 9.496302][ T167] ? fd_install+0x19b/0x3d0
[ 9.496430][ T167] ? update_socket_protocol+0x10/0x10
[ 9.496558][ T167] ? alloc_file_clone+0xe0/0xe0
[ 9.496687][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.496814][ T167] do_syscall_64+0x117/0xfc0
[ 9.496947][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.497075][ T167] ? exc_page_fault+0xee/0x100
[ 9.497202][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.497365][ T167] RIP: 0033:0x47cc8d
[ 9.497466][ 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
[ 9.497915][ T167] RSP: 002b:00007ffe94f5a560 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.498103][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.498294][ T167] RDX: 00007ffe94f5a5d0 RSI: 0000000000008914 RDI: 0000000000000006
[ 9.498484][ T167] RBP: 00007ffe94f5a5b0 R08: 0000000000000005 R09: 0000000000001ff0
[ 9.498669][ T167] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffe94f5aa98
[ 9.498859][ T167] R13: 00007ffe94f5ab20 R14: 0000000000000002 R15: 0000000000543540
[ 9.499055][ T167]
[ 9.499152][ T167] irq event stamp: 37873
[ 9.499252][ T167] hardirqs last enabled at (37881): [] __up_console_sem+0x5a/0x70
[ 9.499473][ T167] hardirqs last disabled at (37888): [] __up_console_sem+0x3f/0x70
[ 9.499693][ T167] softirqs last enabled at (37310): [] __alloc_skb+0x4c5/0x5f0
[ 9.499919][ T167] softirqs last disabled at (37308): [] __alloc_skb+0x4c5/0x5f0
[ 9.500137][ T167] ---[ end trace 0000000000000000 ]---
[ 99.275653][ T167] ------------[ cut here ]------------
[ 99.275872][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/167
[ 99.276145][ T167] Modules linked in:
[ 99.276256][ T167] CPU: 3 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.276572][ T167] Tainted: [W]=WARN
[ 99.276676][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.276842][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.277023][ 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
[ 99.277506][ T167] RSP: 0018:ffa00000008176f0 EFLAGS: 00010286
[ 99.277681][ T167] RAX: 00000000ffffffa6 RBX: ff11000009089e40 RCX: 1ff4000000102ea4
[ 99.277886][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009089ef0
[ 99.278091][ T167] RBP: ff1100000e1fc000 R08: 1fe22000012113df R09: ff1100000c53d158
[ 99.278291][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[ 99.278510][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000817790
[ 99.278767][ T167] FS: 0000000000000000(0000) GS:ff11000084d53000(0000) knlGS:0000000000000000
[ 99.279023][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.279197][ T167] CR2: 00007fe59f964000 CR3: 0000000019f39004 CR4: 0000000000771ef0
[ 99.279493][ T167] PKRU: 55555554
[ 99.279632][ T167] Call Trace:
[ 99.279732][ T167]
[ 99.279802][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 99.280009][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 99.280114][ T167] netif_close_many+0x2ac/0x640
[ 99.280249][ T167] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 99.280383][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 99.280551][ T167] ? find_held_lock+0x2b/0x80
[ 99.280729][ T167] ? __dev_close_many+0x530/0x530
[ 99.280989][ T167] ? netif_close_many_and_unlock+0x22/0x2c0
[ 99.281207][ T167] unregister_netdevice_many_notify+0x671/0x19a0
[ 99.281427][ T167] ? select_fallback_rq+0x510/0x510
[ 99.281609][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 99.281803][ T167] ? find_held_lock+0x2b/0x80
[ 99.281993][ T167] ? find_held_lock+0x2b/0x80
[ 99.282164][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.282357][ T167] ? __queue_work+0x315/0xc00
[ 99.282567][ T167] unregister_netdevice_queue+0x290/0x470
[ 99.282779][ T167] ? mark_held_locks+0x40/0x70
[ 99.283081][ T167] ? unregister_netdevice_many+0x20/0x20
[ 99.283223][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.283360][ T167] ? queue_delayed_work_on+0x95/0x100
[ 99.283503][ T167] __tun_detach+0xf36/0x1320
[ 99.283640][ T167] tun_chr_close+0xac/0x1b0
[ 99.283774][ T167] __fput+0x363/0xac0
[ 99.283945][ T167] task_work_run+0x12b/0x240
[ 99.284079][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.284214][ T167] ? task_work_cancel+0x30/0x30
[ 99.284353][ T167] ? kmem_cache_free+0xf8/0x560
[ 99.284496][ T167] do_exit+0x614/0xdc0
[ 99.284598][ T167] ? exit_notify+0x890/0x890
[ 99.284730][ T167] ? find_held_lock+0x2b/0x80
[ 99.284922][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.285062][ T167] ? __rwlock_init+0x150/0x150
[ 99.285196][ T167] do_group_exit+0xb8/0x370
[ 99.285329][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 99.285498][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.285638][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 99.285801][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 99.286039][ T167] get_signal+0x172e/0x1820
[ 99.286176][ T167] ? __raw_spin_lock_init+0x44/0x120
[ 99.286311][ T167] ? mark_usage+0x61/0x170
[ 99.286446][ T167] ? __lock_acquire+0x508/0xc10
[ 99.286596][ T167] ? ptrace_signal+0x600/0x600
[ 99.286729][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 99.286921][ T167] ? find_held_lock+0x2b/0x80
[ 99.287093][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 99.287296][ T167] ? fd_install+0x18c/0x3d0
[ 99.287507][ T167] ? get_sigframe_size+0x20/0x20
[ 99.287715][ T167] ? update_socket_protocol+0x10/0x10
[ 99.287992][ T167] ? alloc_file_clone+0xe0/0xe0
[ 99.288126][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.288262][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.288430][ T167] exit_to_user_mode_loop+0x86/0x520
[ 99.288567][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.288701][ T167] do_syscall_64+0x437/0xfc0
[ 99.288836][ T167] ? irq_exit_rcu+0x1a/0x30
[ 99.289044][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 99.289213][ T167] RIP: 0033:0x47ea2b
[ 99.289324][ T167] Code: Unable to access opcode bytes at 0x47ea01.
[ 99.289517][ T167] RSP: 002b:00007ffe94f59fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000029
[ 99.289721][ T167] RAX: 0000000000000007 RBX: 00007ffe94f5a0c0 RCX: 000000000047ea2b
[ 99.290022][ T167] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010
[ 99.290223][ T167] RBP: 00007ffe94f5a020 R08: 0000000000000041 R09: 00000000379013e0
[ 99.290423][ T167] R10: 0000000000000040 R11: 0000000000000206 R12: 00007ffe94f5aa98
[ 99.290629][ T167] R13: 00007ffe94f5ab20 R14: 00007ffe94f5a598 R15: 0000000000543540
[ 99.290841][ T167]
[ 99.291027][ T167] irq event stamp: 123840487
[ 99.291159][ T167] hardirqs last enabled at (123840495): [] __up_console_sem+0x5a/0x70
[ 99.291390][ T167] hardirqs last disabled at (123840502): [] __up_console_sem+0x3f/0x70
[ 99.291627][ T167] softirqs last enabled at (123840484): [] handle_softirqs+0x611/0x940
[ 99.291928][ T167] softirqs last disabled at (123840519): [] __irq_exit_rcu+0x103/0x1c0
[ 99.292162][ T167] ---[ end trace 0000000000000000 ]---
[ 99.298644][ T167] ------------[ cut here ]------------
[ 99.298785][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/167
[ 99.299559][ T167] Modules linked in:
[ 99.299667][ T167] CPU: 3 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.300466][ T167] Tainted: [W]=WARN
[ 99.300568][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.300733][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.301766][ 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
[ 99.302829][ T167] RSP: 0018:ffa0000000817820 EFLAGS: 00010286
[ 99.303162][ T167] RAX: 00000000ffffffa6 RBX: ff11000009088ac0 RCX: 1ff4000000102eca
[ 99.303361][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009088b70
[ 99.303560][ T167] RBP: ff1100000e1fc000 R08: 1fe220000121116f R09: ff1100000c53d158
[ 99.303755][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 99.303954][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 99.304148][ T167] FS: 0000000000000000(0000) GS:ff11000084d53000(0000) knlGS:0000000000000000
[ 99.304372][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.304542][ T167] CR2: 00007fe59f964000 CR3: 0000000019f39004 CR4: 0000000000771ef0
[ 99.304735][ T167] PKRU: 55555554
[ 99.304831][ T167] Call Trace:
[ 99.304934][ T167]
[ 99.305001][ T167] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 99.305166][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 99.305327][ T167] ? find_held_lock+0x2b/0x80
[ 99.305464][ T167] ? find_held_lock+0x2b/0x80
[ 99.305598][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.305729][ T167] ? __queue_work+0x315/0xc00
[ 99.305869][ T167] unregister_netdevice_queue+0x290/0x470
[ 99.306001][ T167] ? mark_held_locks+0x40/0x70
[ 99.306137][ T167] ? unregister_netdevice_many+0x20/0x20
[ 99.306264][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.306392][ T167] ? queue_delayed_work_on+0x95/0x100
[ 99.306529][ T167] __tun_detach+0xf36/0x1320
[ 99.306662][ T167] tun_chr_close+0xac/0x1b0
[ 99.306792][ T167] __fput+0x363/0xac0
[ 99.306897][ T167] task_work_run+0x12b/0x240
[ 99.307028][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.307156][ T167] ? task_work_cancel+0x30/0x30
[ 99.307284][ T167] ? kmem_cache_free+0xf8/0x560
[ 99.307415][ T167] do_exit+0x614/0xdc0
[ 99.307522][ T167] ? exit_notify+0x890/0x890
[ 99.307655][ T167] ? find_held_lock+0x2b/0x80
[ 99.307786][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.307921][ T167] ? __rwlock_init+0x150/0x150
[ 99.308054][ T167] do_group_exit+0xb8/0x370
[ 99.308182][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 99.308341][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.308479][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 99.308609][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 99.308737][ T167] get_signal+0x172e/0x1820
[ 99.308874][ T167] ? __raw_spin_lock_init+0x44/0x120
[ 99.309006][ T167] ? mark_usage+0x61/0x170
[ 99.309136][ T167] ? __lock_acquire+0x508/0xc10
[ 99.309264][ T167] ? ptrace_signal+0x600/0x600
[ 99.309394][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 99.309528][ T167] ? find_held_lock+0x2b/0x80
[ 99.309660][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 99.309791][ T167] ? fd_install+0x18c/0x3d0
[ 99.309925][ T167] ? get_sigframe_size+0x20/0x20
[ 99.310059][ T167] ? update_socket_protocol+0x10/0x10
[ 99.310189][ T167] ? alloc_file_clone+0xe0/0xe0
[ 99.310316][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.310448][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.310614][ T167] exit_to_user_mode_loop+0x86/0x520
[ 99.310744][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.310883][ T167] do_syscall_64+0x437/0xfc0
[ 99.311013][ T167] ? irq_exit_rcu+0x1a/0x30
[ 99.311142][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 99.311300][ T167] RIP: 0033:0x47ea2b
[ 99.311404][ T167] Code: Unable to access opcode bytes at 0x47ea01.
[ 99.311584][ T167] RSP: 002b:00007ffe94f59fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000029
[ 99.311782][ T167] RAX: 0000000000000007 RBX: 00007ffe94f5a0c0 RCX: 000000000047ea2b
[ 99.311983][ T167] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010
[ 99.312177][ T167] RBP: 00007ffe94f5a020 R08: 0000000000000041 R09: 00000000379013e0
[ 99.312372][ T167] R10: 0000000000000040 R11: 0000000000000206 R12: 00007ffe94f5aa98
[ 99.312573][ T167] R13: 00007ffe94f5ab20 R14: 00007ffe94f5a598 R15: 0000000000543540
[ 99.312776][ T167]
[ 99.312880][ T167] irq event stamp: 123856627
[ 99.313011][ T167] hardirqs last enabled at (123856635): [] __up_console_sem+0x5a/0x70
[ 99.313240][ T167] hardirqs last disabled at (123856642): [] __up_console_sem+0x3f/0x70
[ 99.313480][ T167] softirqs last enabled at (123856062): [] handle_softirqs+0x611/0x940
[ 99.313719][ T167] softirqs last disabled at (123855765): [] __irq_exit_rcu+0x103/0x1c0
[ 99.313950][ T167] ---[ end trace 0000000000000000 ]---
[ 99.338067][ T12] ------------[ cut here ]------------
[ 99.338241][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: kworker/u16:0/12
[ 99.338553][ T12] Modules linked in:
[ 99.338707][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.339433][ T12] Tainted: [W]=WARN
[ 99.339533][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.339687][ T12] Workqueue: netns cleanup_net
[ 99.339826][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.340046][ 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
[ 99.340614][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 99.340776][ T12] RAX: 00000000ffffffa6 RBX: ff110000105db840 RCX: 1ff4000000018ed5
[ 99.340972][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000105db8f0
[ 99.341153][ T12] RBP: ff11000007cfc000 R08: 1fe22000020bb71f R09: ff11000001afd1d0
[ 99.341332][ T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 99.341523][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 99.341704][ T12] FS: 0000000000000000(0000) GS:ff11000084bd3000(0000) knlGS:0000000000000000
[ 99.341924][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.342076][ T12] CR2: 00007f5cda4e7f98 CR3: 0000000019f39005 CR4: 0000000000771ef0
[ 99.342257][ T12] PKRU: 55555554
[ 99.342348][ T12] Call Trace:
[ 99.342439][ T12]
[ 99.342512][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 99.342668][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 99.342821][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 99.342957][ T12] default_device_exit_batch+0x38b/0x600
[ 99.343077][ T12] ? generic_xdp_install+0x400/0x400
[ 99.343200][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 99.343320][ T12] ? unregister_netdev+0x60/0x60
[ 99.343442][ T12] ? rtnl_is_locked+0x15/0x20
[ 99.343567][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 99.343690][ T12] ops_undo_list+0x2ce/0x8f0
[ 99.343816][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 99.343943][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.344066][ T12] cleanup_net+0x431/0x890
[ 99.344190][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 99.344310][ T12] ? process_one_work+0xdb7/0x1410
[ 99.344431][ T12] ? lock_acquire+0x134/0x160
[ 99.344564][ T12] ? rcu_is_watching+0x15/0xd0
[ 99.344696][ T12] process_one_work+0xdf8/0x1410
[ 99.344824][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 99.344952][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 99.345075][ T12] worker_thread+0x4f1/0xd60
[ 99.345201][ T12] ? rescuer_thread+0x1320/0x1320
[ 99.345319][ T12] kthread+0x367/0x460
[ 99.345410][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.345566][ T12] ? kthread_affine_node+0x330/0x330
[ 99.345689][ T12] ret_from_fork+0x474/0x6b0
[ 99.345813][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 99.345970][ T12] ? __switch_to+0x5a3/0xe00
[ 99.346091][ T12] ? kthread_affine_node+0x330/0x330
[ 99.346215][ T12] ret_from_fork_asm+0x11/0x20
[ 99.346343][ T12]
[ 99.346433][ T12] irq event stamp: 3237
[ 99.346528][ T12] hardirqs last enabled at (3245): [] __up_console_sem+0x5a/0x70
[ 99.346738][ T12] hardirqs last disabled at (3252): [] __up_console_sem+0x3f/0x70
[ 99.346949][ T12] softirqs last enabled at (3136): [] handle_softirqs+0x611/0x940
[ 99.347156][ T12] softirqs last disabled at (3131): [] __irq_exit_rcu+0x103/0x1c0
[ 99.347364][ T12] ---[ end trace 0000000000000000 ]---