[ 11.058562][ T167] ------------[ cut here ]------------
[ 11.058967][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: unshare/167
[ 11.059482][ T167] Modules linked in:
[ 11.059749][ T167] CPU: 2 UID: 0 PID: 167 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 11.060248][ T167] Tainted: [W]=WARN
[ 11.060488][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.060814][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 11.061158][ 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
[ 11.062068][ T167] RSP: 0018:ffa0000000847ab0 EFLAGS: 00010286
[ 11.062410][ T167] RAX: 00000000ffffffa6 RBX: ff1100000953d540 RCX: 1ff4000000108f1c
[ 11.062805][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000953d5f0
[ 11.063183][ T167] RBP: ff11000002064000 R08: 1fe22000012a7abf R09: ff1100000cfd0b80
[ 11.063595][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 11.063976][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002064000
[ 11.064364][ T167] FS: 00007fd31cdb9740(0000) GS:ff1100007d0d3000(0000) knlGS:0000000000000000
[ 11.064808][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 11.065136][ T167] CR2: 000055aa8b98a310 CR3: 000000000e933005 CR4: 0000000000771ef0
[ 11.065538][ T167] PKRU: 55555554
[ 11.065754][ T167] Call Trace:
[ 11.065973][ T167]
[ 11.066237][ T167] ? ip6_route_dev_notify+0x250/0x380
[ 11.066529][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 11.066803][ T167] ? notifier_call_chain+0xb0/0x320
[ 11.067078][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 11.067329][ T167] register_netdevice+0x137a/0x1980
[ 11.067618][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 11.067966][ T167] register_netdev+0x23/0x40
[ 11.068243][ T167] loopback_net_init+0x7d/0x150
[ 11.068534][ T167] ops_init+0x187/0x560
[ 11.068750][ T167] setup_net+0x11b/0x3b0
[ 11.068958][ T167] ? unregister_pernet_device+0x80/0x80
[ 11.069233][ T167] ? lockdep_init_map_type+0x5d/0x250
[ 11.069525][ T167] ? mutex_init_lockdep+0xf6/0x120
[ 11.069801][ T167] copy_net_ns+0x2fd/0x450
[ 11.070074][ T167] create_new_namespaces+0x371/0xa10
[ 11.070358][ T167] unshare_nsproxy_namespaces+0xa5/0x150
[ 11.070644][ T167] ksys_unshare+0x47e/0x8c0
[ 11.070917][ T167] ? walk_process_tree+0x350/0x350
[ 11.071200][ T167] __x64_sys_unshare+0x34/0x50
[ 11.071496][ T167] ? do_syscall_64+0x82/0xfc0
[ 11.071767][ T167] do_syscall_64+0x117/0xfc0
[ 11.072040][ T167] ? trace_hardirqs_off+0xd/0x30
[ 11.072320][ T167] ? exc_page_fault+0xee/0x100
[ 11.072607][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 11.072927][ T167] RIP: 0033:0x7fd31ceb4bcb
[ 11.073208][ 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
[ 11.074051][ T167] RSP: 002b:00007fffa600f628 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 11.074439][ T167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd31ceb4bcb
[ 11.074832][ T167] RDX: 0000000000000000 RSI: 00007fffa600f390 RDI: 0000000040000000
[ 11.075217][ T167] RBP: 00007fffa600f9b0 R08: 00007fffa600f580 R09: 0000000000000000
[ 11.075608][ T167] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 11.075975][ T167] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055aa8b98db68
[ 11.076373][ T167]
[ 11.076610][ T167] irq event stamp: 15499
[ 11.076825][ T167] hardirqs last enabled at (15509): [] __up_console_sem+0x5a/0x70
[ 11.077257][ T167] hardirqs last disabled at (15518): [] __up_console_sem+0x3f/0x70
[ 11.077725][ T167] softirqs last enabled at (14972): [] handle_softirqs+0x611/0x940
[ 11.078150][ T167] softirqs last disabled at (14961): [] __irq_exit_rcu+0x103/0x1c0
[ 11.078596][ T167] ---[ end trace 0000000000000000 ]---
[ 11.117726][ T167] ------------[ cut here ]------------
[ 11.118050][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 11.118523][ T167] Modules linked in:
[ 11.118731][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 11.119261][ T167] Tainted: [W]=WARN
[ 11.119483][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.119780][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 11.120092][ 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
[ 11.120865][ T167] RSP: 0018:ffa0000000847b58 EFLAGS: 00010286
[ 11.121154][ T167] RAX: 00000000ffffffa6 RBX: ff11000008cd50c0 RCX: 1ff4000000108f31
[ 11.121523][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008cd5170
[ 11.121864][ T167] RBP: ff11000008e0c000 R08: 1fe220000119aa2f R09: ff1100000cfd0b58
[ 11.122208][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 11.122570][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008e0c000
[ 11.122914][ T167] FS: 0000000018ade400(0000) GS:ff1100007d0d3000(0000) knlGS:0000000000000000
[ 11.123335][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 11.123660][ T167] CR2: 00007f3d367c3000 CR3: 0000000004b62006 CR4: 0000000000771ef0
[ 11.124014][ T167] PKRU: 55555554
[ 11.124225][ T167] Call Trace:
[ 11.124422][ T167]
[ 11.124591][ T167] ? ip6_route_dev_notify+0x3d/0x380
[ 11.124840][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 11.125089][ T167] ? notifier_call_chain+0xb0/0x320
[ 11.125346][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 11.125571][ T167] register_netdevice+0x137a/0x1980
[ 11.125819][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 11.126110][ T167] ? alloc_netdev_mqs+0xec0/0x1410
[ 11.126365][ T167] tun_set_iff.constprop.0+0xc61/0x1850
[ 11.126630][ T167] ? tun_attach.isra.0+0x1630/0x1630
[ 11.126877][ T167] ? tun_get+0x106/0x240
[ 11.127080][ T167] __tun_chr_ioctl+0x4b0/0x2470
[ 11.127338][ T167] ? build_open_flags+0x620/0x620
[ 11.127606][ T167] ? tun_chr_read_iter+0x210/0x210
[ 11.127857][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 11.128107][ T167] ? __x64_sys_openat+0x10e/0x210
[ 11.128360][ T167] ? fput_close_sync+0xde/0x1b0
[ 11.128623][ T167] ? __ia32_sys_open+0x1b0/0x1b0
[ 11.128874][ T167] __x64_sys_ioctl+0x11a/0x190
[ 11.129129][ T167] do_syscall_64+0x117/0xfc0
[ 11.129385][ T167] ? trace_hardirqs_off+0xd/0x30
[ 11.129646][ T167] ? exc_page_fault+0xee/0x100
[ 11.129897][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 11.130188][ T167] RIP: 0033:0x47cc8d
[ 11.130405][ 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
[ 11.131146][ T167] RSP: 002b:00007ffc59a17150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 11.131512][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 11.131855][ T167] RDX: 00007ffc59a171d0 RSI: 00000000400454ca RDI: 0000000000000005
[ 11.132193][ T167] RBP: 00007ffc59a171a0 R08: 0000000000000000 R09: 0000000000000000
[ 11.132564][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc59a176a8
[ 11.132913][ T167] R13: 00007ffc59a17730 R14: 0000000000000002 R15: 0000000000543540
[ 11.133271][ T167]
[ 11.133488][ T167] irq event stamp: 32785
[ 11.133688][ T167] hardirqs last enabled at (32795): [] __up_console_sem+0x5a/0x70
[ 11.134072][ T167] hardirqs last disabled at (32804): [] __up_console_sem+0x3f/0x70
[ 11.134458][ T167] softirqs last enabled at (32192): [] __alloc_skb+0x4c5/0x5f0
[ 11.134866][ T167] softirqs last disabled at (32190): [] __alloc_skb+0x4c5/0x5f0
[ 11.135258][ T167] ---[ end trace 0000000000000000 ]---
[ 11.136297][ T167] ------------[ cut here ]------------
[ 11.136558][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 11.137120][ T167] Modules linked in:
[ 11.137396][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 11.138039][ T167] Tainted: [W]=WARN
[ 11.138254][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.138580][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 11.138889][ 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
[ 11.139801][ T167] RSP: 0018:ffa0000000847c58 EFLAGS: 00010286
[ 11.140247][ T167] RAX: 00000000ffffffa6 RBX: ff11000008cd5cc0 RCX: 1ff4000000108f51
[ 11.140594][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008cd5d70
[ 11.140929][ T167] RBP: ff11000008e0c000 R08: 1fe220000119abaf R09: ff1100000cfd0b58
[ 11.141406][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[ 11.141766][ T167] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[ 11.142253][ T167] FS: 0000000018ade400(0000) GS:ff1100007d0d3000(0000) knlGS:0000000000000000
[ 11.142654][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 11.142949][ T167] CR2: 00007f3d367c3000 CR3: 0000000004b62006 CR4: 0000000000771ef0
[ 11.143442][ T167] PKRU: 55555554
[ 11.143657][ T167] Call Trace:
[ 11.143855][ T167]
[ 11.144009][ T167] ? rcu_is_watching+0x15/0xd0
[ 11.144254][ T167] rtnetlink_event+0xe0/0x1f0
[ 11.144651][ T167] notifier_call_chain+0xb0/0x320
[ 11.144903][ T167] netdev_update_features+0xa9/0xb0
[ 11.145150][ T167] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 11.145452][ T167] __tun_chr_ioctl+0xc7f/0x2470
[ 11.145725][ T167] ? tun_chr_read_iter+0x210/0x210
[ 11.145970][ T167] ? fd_install+0x19b/0x3d0
[ 11.146228][ T167] ? update_socket_protocol+0x10/0x10
[ 11.146486][ T167] ? alloc_file_clone+0xe0/0xe0
[ 11.146737][ T167] __x64_sys_ioctl+0x11a/0x190
[ 11.146986][ T167] do_syscall_64+0x117/0xfc0
[ 11.147237][ T167] ? trace_hardirqs_off+0xd/0x30
[ 11.147505][ T167] ? exc_page_fault+0xee/0x100
[ 11.147753][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 11.148037][ T167] RIP: 0033:0x47cc8d
[ 11.148252][ 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
[ 11.148996][ T167] RSP: 002b:00007ffc59a17190 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 11.149344][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 11.149839][ T167] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 11.150179][ T167] RBP: 00007ffc59a171e0 R08: 0000000000000005 R09: 0000000000001ff0
[ 11.150685][ T167] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffc59a176a8
[ 11.151022][ T167] R13: 00007ffc59a17730 R14: 0000000000000002 R15: 0000000000543540
[ 11.151377][ T167]
[ 11.151727][ T167] irq event stamp: 33575
[ 11.151940][ T167] hardirqs last enabled at (33585): [] __up_console_sem+0x5a/0x70
[ 11.152341][ T167] hardirqs last disabled at (33594): [] __up_console_sem+0x3f/0x70
[ 11.152886][ T167] softirqs last enabled at (33054): [] __alloc_skb+0x4c5/0x5f0
[ 11.153284][ T167] softirqs last disabled at (33052): [] __alloc_skb+0x4c5/0x5f0
[ 11.153818][ T167] ---[ end trace 0000000000000000 ]---
[ 11.154826][ T167] ------------[ cut here ]------------
[ 11.155081][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 11.155719][ T167] Modules linked in:
[ 11.155936][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 11.156636][ T167] Tainted: [W]=WARN
[ 11.156848][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.157166][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 11.157513][ 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
[ 11.158481][ T167] RSP: 0018:ffa0000000847850 EFLAGS: 00010286
[ 11.158951][ T167] RAX: 00000000ffffffa6 RBX: ff11000008cd5840 RCX: 1ff4000000108ed0
[ 11.159324][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008cd58f0
[ 11.159698][ T167] RBP: ff11000008e0c000 R08: 1fe220000119ab1f R09: ff1100000cfd0b58
[ 11.160224][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[ 11.160605][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005890900
[ 11.160973][ T167] FS: 0000000018ade400(0000) GS:ff1100007d0d3000(0000) knlGS:0000000000000000
[ 11.161567][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 11.161882][ T167] CR2: 00007f3d367c3000 CR3: 0000000004b62006 CR4: 0000000000771ef0
[ 11.162407][ T167] PKRU: 55555554
[ 11.162630][ T167] Call Trace:
[ 11.162843][ T167]
[ 11.163012][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 11.163287][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 11.163666][ T167] ? mark_held_locks+0x40/0x70
[ 11.163928][ T167] __dev_notify_flags+0x1b8/0x280
[ 11.164173][ T167] ? netif_change_name+0x8c0/0x8c0
[ 11.164442][ T167] ? __dev_change_flags+0x4a4/0x660
[ 11.164867][ T167] ? netif_set_allmulti+0x250/0x250
[ 11.165138][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 11.165409][ T167] netif_change_flags+0xfe/0x190
[ 11.165687][ T167] ? cap_capable+0x1d6/0x3e0
[ 11.166101][ T167] dev_change_flags+0xa5/0x170
[ 11.166373][ T167] devinet_ioctl+0x10f0/0x1840
[ 11.166653][ T167] ? inet_ifa_byprefix+0x220/0x220
[ 11.166918][ T167] ? _copy_from_user+0x42/0x90
[ 11.167342][ T167] inet_ioctl+0x34b/0x3a0
[ 11.167596][ T167] ? inet_dgram_connect+0x3e0/0x3e0
[ 11.167852][ T167] ? __lock_acquire+0x508/0xc10
[ 11.168129][ T167] ? __might_fault+0x97/0x140
[ 11.168400][ T167] ? __might_fault+0x97/0x140
[ 11.168827][ T167] sock_do_ioctl+0x10e/0x270
[ 11.169093][ T167] ? __sock_recv_cmsgs+0x550/0x550
[ 11.169369][ T167] ? ioctl_file_clone+0xd0/0xd0
[ 11.169803][ T167] sock_ioctl+0x3cb/0x5f0
[ 11.170018][ T167] ? br_ioctl_call+0x80/0x80
[ 11.170292][ T167] ? fd_install+0x19b/0x3d0
[ 11.170579][ T167] ? update_socket_protocol+0x10/0x10
[ 11.170838][ T167] ? alloc_file_clone+0xe0/0xe0
[ 11.171264][ T167] __x64_sys_ioctl+0x11a/0x190
[ 11.171537][ T167] do_syscall_64+0x117/0xfc0
[ 11.171800][ T167] ? trace_hardirqs_off+0xd/0x30
[ 11.172067][ T167] ? exc_page_fault+0xee/0x100
[ 11.172510][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 11.172818][ T167] RIP: 0033:0x47cc8d
[ 11.173040][ 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
[ 11.174010][ T167] RSP: 002b:00007ffc59a17170 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 11.174393][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 11.174776][ T167] RDX: 00007ffc59a171e0 RSI: 0000000000008914 RDI: 0000000000000006
[ 11.175137][ T167] RBP: 00007ffc59a171c0 R08: 0000000000000005 R09: 0000000000001ff0
[ 11.175674][ T167] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffc59a176a8
[ 11.176047][ T167] R13: 00007ffc59a17730 R14: 0000000000000002 R15: 0000000000543540
[ 11.176428][ T167]
[ 11.176797][ T167] irq event stamp: 34617
[ 11.177005][ T167] hardirqs last enabled at (34627): [] __up_console_sem+0x5a/0x70
[ 11.177421][ T167] hardirqs last disabled at (34636): [] __up_console_sem+0x3f/0x70
[ 11.178006][ T167] softirqs last enabled at (33914): [] __alloc_skb+0x4c5/0x5f0
[ 11.178428][ T167] softirqs last disabled at (33912): [] __alloc_skb+0x4c5/0x5f0
[ 11.178849][ T167] ---[ end trace 0000000000000000 ]---
[ 100.835942][ T167] ------------[ cut here ]------------
[ 100.836196][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 100.836628][ T167] Modules linked in:
[ 100.836941][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 100.837579][ T167] Tainted: [W]=WARN
[ 100.837915][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 100.838382][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 100.838741][ 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
[ 100.839351][ T167] RSP: 0018:ffa00000008476f0 EFLAGS: 00010286
[ 100.839708][ T167] RAX: 00000000ffffffa6 RBX: ff1100000be307c0 RCX: 1ff4000000108ea4
[ 100.840050][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000be30870
[ 100.840364][ T167] RBP: ff11000008e0c000 R08: 1fe22000017c610f R09: ff1100000cfd0b58
[ 100.840732][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[ 100.841077][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000847790
[ 100.841406][ T167] FS: 0000000000000000(0000) GS:ff1100007d0d3000(0000) knlGS:0000000000000000
[ 100.841822][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 100.842141][ T167] CR2: 00007f80f05b76f0 CR3: 000000001e539003 CR4: 0000000000771ef0
[ 100.842481][ T167] PKRU: 55555554
[ 100.842736][ T167] Call Trace:
[ 100.842976][ T167]
[ 100.843170][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 100.843461][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 100.843785][ T167] netif_close_many+0x2ac/0x640
[ 100.844120][ T167] ? finish_task_switch.isra.0+0x216/0x990
[ 100.844430][ T167] ? finish_task_switch.isra.0+0x216/0x990
[ 100.844730][ T167] ? __switch_to+0x5a3/0xe00
[ 100.845014][ T167] ? __dev_close_many+0x530/0x530
[ 100.845285][ T167] ? netif_close_many_and_unlock+0x22/0x2c0
[ 100.845589][ T167] unregister_netdevice_many_notify+0x671/0x19a0
[ 100.845915][ T167] ? preempt_schedule_notrace_thunk+0x16/0x30
[ 100.846217][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 100.846514][ T167] ? mark_held_locks+0x40/0x70
[ 100.846805][ T167] ? irqentry_exit+0x21c/0x710
[ 100.847072][ T167] ? irqentry_exit+0x21c/0x710
[ 100.847322][ T167] ? lockdep_hardirqs_off+0x91/0xf0
[ 100.847621][ T167] ? sysvec_apic_timer_interrupt+0xaa/0xe0
[ 100.847903][ T167] ? __queue_work+0x315/0xc00
[ 100.848104][ T167] unregister_netdevice_queue+0x290/0x470
[ 100.848289][ T167] ? unregister_netdevice_many+0x20/0x20
[ 100.848485][ T167] ? queue_delayed_work_on+0x9e/0x100
[ 100.848678][ T167] __tun_detach+0xf36/0x1320
[ 100.848871][ T167] tun_chr_close+0xac/0x1b0
[ 100.849055][ T167] __fput+0x363/0xac0
[ 100.849211][ T167] task_work_run+0x12b/0x240
[ 100.849405][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 100.849601][ T167] ? task_work_cancel+0x30/0x30
[ 100.849794][ T167] ? kmem_cache_free+0xf8/0x560
[ 100.849988][ T167] do_exit+0x614/0xdc0
[ 100.850144][ T167] ? exit_notify+0x890/0x890
[ 100.850336][ T167] ? find_held_lock+0x2b/0x80
[ 100.850535][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 100.850727][ T167] ? __rwlock_init+0x150/0x150
[ 100.850921][ T167] do_group_exit+0xb8/0x370
[ 100.851106][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 100.851320][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 100.851517][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 100.851713][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 100.851910][ T167] get_signal+0x172e/0x1820
[ 100.852104][ T167] ? __sys_sendto+0x2c9/0x400
[ 100.852300][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 100.852494][ T167] ? ptrace_signal+0x600/0x600
[ 100.852689][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 100.852874][ T167] ? get_sigframe_size+0x20/0x20
[ 100.853058][ T167] ? rcu_is_watching+0x15/0xd0
[ 100.853245][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 100.853478][ T167] exit_to_user_mode_loop+0x86/0x520
[ 100.853668][ T167] ? rcu_is_watching+0x15/0xd0
[ 100.853859][ T167] do_syscall_64+0x437/0xfc0
[ 100.854047][ T167] ? irq_exit_rcu+0x1a/0x30
[ 100.854230][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 100.854445][ T167] RIP: 0033:0x4c2d9e
[ 100.854615][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 100.854876][ T167] RSP: 002b:00007ffc59a16b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 100.855136][ T167] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 100.855392][ T167] RDX: 0000000000000014 RSI: 00007ffc59a16be0 RDI: 0000000000000007
[ 100.855682][ T167] RBP: 00007ffc59a16b10 R08: 00007ffc59a16ba0 R09: 000000000000000c
[ 100.855995][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000018ae8280
[ 100.856247][ T167] R13: 00007ffc59a17730 R14: 00007ffc59a16cd0 R15: 0000000000543540
[ 100.856519][ T167]
[ 100.856728][ T167] irq event stamp: 104931069
[ 100.856980][ T167] hardirqs last enabled at (104931079): [] __up_console_sem+0x5a/0x70
[ 100.857388][ T167] hardirqs last disabled at (104931088): [] __up_console_sem+0x3f/0x70
[ 100.858020][ T167] softirqs last enabled at (104930622): [] handle_softirqs+0x611/0x940
[ 100.858632][ T167] softirqs last disabled at (104930597): [] __irq_exit_rcu+0x103/0x1c0
[ 100.859001][ T167] ---[ end trace 0000000000000000 ]---
[ 100.870912][ T167] ------------[ cut here ]------------
[ 100.871111][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 100.871432][ T167] Modules linked in:
[ 100.872057][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 100.872405][ T167] Tainted: [W]=WARN
[ 100.872570][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 100.872796][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 100.873018][ 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
[ 100.873550][ T167] RSP: 0018:ffa0000000847820 EFLAGS: 00010286
[ 100.873774][ T167] RAX: 00000000ffffffa6 RBX: ff1100000be316c0 RCX: 1ff4000000108eca
[ 100.874021][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000be31770
[ 100.874268][ T167] RBP: ff11000008e0c000 R08: 1fe22000017c62ef R09: ff1100000cfd0b58
[ 100.874542][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 100.874798][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 100.875054][ T167] FS: 0000000000000000(0000) GS:ff1100007d0d3000(0000) knlGS:0000000000000000
[ 100.875333][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 100.875562][ T167] CR2: 00007fee6e31df98 CR3: 000000001e539003 CR4: 0000000000771ef0
[ 100.875820][ T167] PKRU: 55555554
[ 100.875968][ T167] Call Trace:
[ 100.876117][ T167]
[ 100.876235][ T167] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 100.876456][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 100.876685][ T167] ? mark_held_locks+0x40/0x70
[ 100.876872][ T167] ? irqentry_exit+0x21c/0x710
[ 100.877050][ T167] ? irqentry_exit+0x21c/0x710
[ 100.877230][ T167] ? sysvec_apic_timer_interrupt+0xaa/0xe0
[ 100.877439][ T167] ? __queue_work+0x315/0xc00
[ 100.877632][ T167] unregister_netdevice_queue+0x290/0x470
[ 100.877821][ T167] ? unregister_netdevice_many+0x20/0x20
[ 100.878001][ T167] ? queue_delayed_work_on+0x9e/0x100
[ 100.878182][ T167] __tun_detach+0xf36/0x1320
[ 100.878367][ T167] tun_chr_close+0xac/0x1b0
[ 100.878559][ T167] __fput+0x363/0xac0
[ 100.878718][ T167] task_work_run+0x12b/0x240
[ 100.878897][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 100.879077][ T167] ? task_work_cancel+0x30/0x30
[ 100.879258][ T167] ? kmem_cache_free+0xf8/0x560
[ 100.879438][ T167] do_exit+0x614/0xdc0
[ 100.879598][ T167] ? exit_notify+0x890/0x890
[ 100.879780][ T167] ? find_held_lock+0x2b/0x80
[ 100.879962][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 100.880139][ T167] ? __rwlock_init+0x150/0x150
[ 100.880319][ T167] do_group_exit+0xb8/0x370
[ 100.880558][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 100.880814][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 100.880993][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 100.881171][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 100.881349][ T167] get_signal+0x172e/0x1820
[ 100.881543][ T167] ? __sys_sendto+0x2c9/0x400
[ 100.881729][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 100.881911][ T167] ? ptrace_signal+0x600/0x600
[ 100.882092][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 100.882273][ T167] ? get_sigframe_size+0x20/0x20
[ 100.882454][ T167] ? rcu_is_watching+0x15/0xd0
[ 100.882655][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 100.882871][ T167] exit_to_user_mode_loop+0x86/0x520
[ 100.883050][ T167] ? rcu_is_watching+0x15/0xd0
[ 100.883234][ T167] do_syscall_64+0x437/0xfc0
[ 100.883413][ T167] ? irq_exit_rcu+0x1a/0x30
[ 100.883609][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 100.883823][ T167] RIP: 0033:0x4c2d9e
[ 100.883981][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 100.884194][ T167] RSP: 002b:00007ffc59a16b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 100.884437][ T167] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 100.884697][ T167] RDX: 0000000000000014 RSI: 00007ffc59a16be0 RDI: 0000000000000007
[ 100.884939][ T167] RBP: 00007ffc59a16b10 R08: 00007ffc59a16ba0 R09: 000000000000000c
[ 100.885178][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000018ae8280
[ 100.885422][ T167] R13: 00007ffc59a17730 R14: 00007ffc59a16cd0 R15: 0000000000543540
[ 100.885695][ T167]
[ 100.885840][ T167] irq event stamp: 104937529
[ 100.886016][ T167] hardirqs last enabled at (104937539): [] __up_console_sem+0x5a/0x70
[ 100.886292][ T167] hardirqs last disabled at (104937548): [] __up_console_sem+0x3f/0x70
[ 100.886579][ T167] softirqs last enabled at (104936846): [] handle_softirqs+0x611/0x940
[ 100.886861][ T167] softirqs last disabled at (104936839): [] __irq_exit_rcu+0x103/0x1c0
[ 100.887133][ T167] ---[ end trace 0000000000000000 ]---
[ 100.916526][ T12] ------------[ cut here ]------------
[ 100.916807][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: kworker/u16:0/12
[ 100.917191][ T12] Modules linked in:
[ 100.917426][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 100.917924][ T12] Tainted: [W]=WARN
[ 100.918069][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 100.918343][ T12] Workqueue: netns cleanup_net
[ 100.918573][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 100.918831][ 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
[ 100.919519][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 100.919801][ T12] RAX: 00000000ffffffa6 RBX: ff1100000ca45cc0 RCX: 1ff4000000018ed5
[ 100.920092][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ca45d70
[ 100.920394][ T12] RBP: ff11000002064000 R08: 1fe2200001948baf R09: ff11000001afd1d0
[ 100.920700][ T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 100.920984][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 100.921269][ T12] FS: 0000000000000000(0000) GS:ff1100007cfd3000(0000) knlGS:0000000000000000
[ 100.921614][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 100.921860][ T12] CR2: 00007f1a34349f98 CR3: 000000001e539005 CR4: 0000000000771ef0
[ 100.922144][ T12] PKRU: 55555554
[ 100.922287][ T12] Call Trace:
[ 100.922429][ T12]
[ 100.922538][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 100.922790][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 100.923050][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 100.923243][ T12] default_device_exit_batch+0x38b/0x600
[ 100.923429][ T12] ? generic_xdp_install+0x400/0x400
[ 100.923624][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 100.923818][ T12] ? unregister_netdev+0x60/0x60
[ 100.924010][ T12] ? rtnl_is_locked+0x15/0x20
[ 100.924183][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 100.924375][ T12] ops_undo_list+0x2ce/0x8f0
[ 100.924572][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 100.924765][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 100.924961][ T12] cleanup_net+0x431/0x890
[ 100.925148][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 100.925334][ T12] ? process_one_work+0xdb7/0x1410
[ 100.925535][ T12] ? lock_acquire+0x134/0x160
[ 100.925729][ T12] ? rcu_is_watching+0x15/0xd0
[ 100.925923][ T12] process_one_work+0xdf8/0x1410
[ 100.926120][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 100.926309][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 100.926516][ T12] worker_thread+0x4f1/0xd60
[ 100.926716][ T12] ? rescuer_thread+0x1320/0x1320
[ 100.926905][ T12] kthread+0x367/0x460
[ 100.927049][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 100.927284][ T12] ? kthread_affine_node+0x330/0x330
[ 100.927483][ T12] ret_from_fork+0x474/0x6b0
[ 100.927681][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 100.927919][ T12] ? __switch_to+0x5a3/0xe00
[ 100.928107][ T12] ? kthread_affine_node+0x330/0x330
[ 100.928301][ T12] ret_from_fork_asm+0x11/0x20
[ 100.928518][ T12]
[ 100.928666][ T12] irq event stamp: 2673
[ 100.928809][ T12] hardirqs last enabled at (2681): [] __up_console_sem+0x5a/0x70
[ 100.929139][ T12] hardirqs last disabled at (2688): [] __up_console_sem+0x3f/0x70
[ 100.929534][ T12] softirqs last enabled at (2214): [] handle_softirqs+0x611/0x940
[ 100.929874][ T12] softirqs last disabled at (2171): [] __irq_exit_rcu+0x103/0x1c0
[ 100.930201][ T12] ---[ end trace 0000000000000000 ]---