[ 8.804053][ T166] ------------[ cut here ]------------
[ 8.804263][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: unshare/166
[ 8.804567][ T166] Modules linked in:
[ 8.804693][ T166] CPU: 0 UID: 0 PID: 166 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.804994][ T166] Tainted: [W]=WARN
[ 8.805095][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.805263][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.805440][ T166] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 8.805902][ T166] RSP: 0018:ffa0000000867ab0 EFLAGS: 00010286
[ 8.806068][ T166] RAX: 00000000ffffffa6 RBX: ff11000008a23b40 RCX: 1ff400000010cf1c
[ 8.806267][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a23bf0
[ 8.806467][ T166] RBP: ff11000009e11000 R08: 1fe220000114477f R09: ff1100000bb62e80
[ 8.806666][ T166] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.806860][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009e11000
[ 8.807055][ T166] FS: 00007f30f19db740(0000) GS:ff1100007b9d3000(0000) knlGS:0000000000000000
[ 8.807286][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.807455][ T166] CR2: 000056453bc21310 CR3: 000000000b13a002 CR4: 0000000000771ef0
[ 8.807657][ T166] PKRU: 55555554
[ 8.807755][ T166] Call Trace:
[ 8.807853][ T166]
[ 8.807921][ T166] ? ip6_route_dev_notify+0x250/0x380
[ 8.808052][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.808184][ T166] ? notifier_call_chain+0xb0/0x320
[ 8.808315][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.808426][ T166] register_netdevice+0x137a/0x1980
[ 8.808559][ T166] ? unregister_netdevice_queue+0x470/0x470
[ 8.808724][ T166] register_netdev+0x23/0x40
[ 8.808854][ T166] loopback_net_init+0x7d/0x150
[ 8.808984][ T166] ops_init+0x187/0x560
[ 8.809084][ T166] setup_net+0x11b/0x3b0
[ 8.809187][ T166] ? unregister_pernet_device+0x80/0x80
[ 8.809322][ T166] ? lockdep_init_map_type+0x5d/0x250
[ 8.809455][ T166] ? mutex_init_lockdep+0xf6/0x120
[ 8.809590][ T166] copy_net_ns+0x2fd/0x450
[ 8.809719][ T166] create_new_namespaces+0x371/0xa10
[ 8.809852][ T166] unshare_nsproxy_namespaces+0xa5/0x150
[ 8.809981][ T166] ksys_unshare+0x47e/0x8c0
[ 8.810119][ T166] ? walk_process_tree+0x350/0x350
[ 8.810254][ T166] __x64_sys_unshare+0x34/0x50
[ 8.810381][ T166] ? do_syscall_64+0x82/0xfc0
[ 8.810516][ T166] do_syscall_64+0x117/0xfc0
[ 8.810644][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.810774][ T166] ? exc_page_fault+0xee/0x100
[ 8.810902][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.811068][ T166] RIP: 0033:0x7f30f1ad6bcb
[ 8.811210][ T166] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
[ 8.811671][ T166] RSP: 002b:00007ffd194badc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 8.811873][ T166] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f30f1ad6bcb
[ 8.812065][ T166] RDX: 0000000000000000 RSI: 00007ffd194bab30 RDI: 0000000040000000
[ 8.812277][ T166] RBP: 00007ffd194bb150 R08: 00007ffd194bad20 R09: 0000000000000000
[ 8.812476][ T166] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 8.812674][ T166] R13: 0000000000000000 R14: 00000000ffffffff R15: 000056453bc24b68
[ 8.812871][ T166]
[ 8.812967][ T166] irq event stamp: 12337
[ 8.813064][ T166] hardirqs last enabled at (12345): [] __up_console_sem+0x5a/0x70
[ 8.813292][ T166] hardirqs last disabled at (12352): [] __up_console_sem+0x3f/0x70
[ 8.813523][ T166] softirqs last enabled at (11846): [] __alloc_skb+0x4c5/0x5f0
[ 8.813745][ T166] softirqs last disabled at (11844): [] __alloc_skb+0x4c5/0x5f0
[ 8.813970][ T166] ---[ end trace 0000000000000000 ]---
[ 8.843863][ T166] ------------[ cut here ]------------
[ 8.844021][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/166
[ 8.844290][ T166] Modules linked in:
[ 8.844389][ T166] CPU: 0 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.844665][ T166] Tainted: [W]=WARN
[ 8.844755][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.844907][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.845064][ T166] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 8.845504][ T166] RSP: 0018:ffa0000000867b58 EFLAGS: 00010286
[ 8.845655][ T166] RAX: 00000000ffffffa6 RBX: ff11000009ec8c40 RCX: 1ff400000010cf31
[ 8.845831][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009ec8cf0
[ 8.846006][ T166] RBP: ff1100000937c000 R08: 1fe22000013d919f R09: ff1100000bb62e58
[ 8.846189][ T166] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.846375][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000937c000
[ 8.846560][ T166] FS: 000000000eacb400(0000) GS:ff1100007b9d3000(0000) knlGS:0000000000000000
[ 8.846771][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.846922][ T166] CR2: 00007f45c8852000 CR3: 000000000c1b9003 CR4: 0000000000771ef0
[ 8.847099][ T166] PKRU: 55555554
[ 8.847192][ T166] Call Trace:
[ 8.847280][ T166]
[ 8.847342][ T166] ? ip6_route_dev_notify+0x3d/0x380
[ 8.847466][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.847584][ T166] ? notifier_call_chain+0xb0/0x320
[ 8.847706][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.847796][ T166] register_netdevice+0x137a/0x1980
[ 8.847916][ T166] ? unregister_netdevice_queue+0x470/0x470
[ 8.848063][ T166] ? alloc_netdev_mqs+0xec0/0x1410
[ 8.848188][ T166] tun_set_iff.constprop.0+0xc61/0x1850
[ 8.848308][ T166] ? tun_attach.isra.0+0x1630/0x1630
[ 8.848431][ T166] ? tun_get+0x106/0x240
[ 8.848537][ T166] __tun_chr_ioctl+0x4b0/0x2470
[ 8.848654][ T166] ? build_open_flags+0x620/0x620
[ 8.848773][ T166] ? tun_chr_read_iter+0x210/0x210
[ 8.848890][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 8.849010][ T166] ? __x64_sys_openat+0x10e/0x210
[ 8.849133][ T166] ? fput_close_sync+0xde/0x1b0
[ 8.849257][ T166] ? __ia32_sys_open+0x1b0/0x1b0
[ 8.849376][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.849502][ T166] do_syscall_64+0x117/0xfc0
[ 8.849620][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.849737][ T166] ? exc_page_fault+0xee/0x100
[ 8.849859][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.850005][ T166] RIP: 0033:0x47cc8d
[ 8.850101][ T166] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 8.850537][ T166] RSP: 002b:00007ffc738e0410 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.850720][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.850903][ T166] RDX: 00007ffc738e0490 RSI: 00000000400454ca RDI: 0000000000000005
[ 8.851080][ T166] RBP: 00007ffc738e0460 R08: 0000000000000000 R09: 0000000000000000
[ 8.851263][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc738e0968
[ 8.851442][ T166] R13: 00007ffc738e09f0 R14: 0000000000000002 R15: 0000000000543540
[ 8.851623][ T166]
[ 8.851712][ T166] irq event stamp: 39313
[ 8.851806][ T166] hardirqs last enabled at (39321): [] __up_console_sem+0x5a/0x70
[ 8.852013][ T166] hardirqs last disabled at (39328): [] __up_console_sem+0x3f/0x70
[ 8.852218][ T166] softirqs last enabled at (38840): [] __alloc_skb+0x4c5/0x5f0
[ 8.852423][ T166] softirqs last disabled at (38838): [] __alloc_skb+0x4c5/0x5f0
[ 8.852626][ T166] ---[ end trace 0000000000000000 ]---
[ 8.853027][ T166] ------------[ cut here ]------------
[ 8.853152][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/166
[ 8.853379][ T166] Modules linked in:
[ 8.853522][ T166] CPU: 0 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.853830][ T166] Tainted: [W]=WARN
[ 8.853920][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.854066][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.854224][ T166] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 8.854649][ T166] RSP: 0018:ffa0000000867c58 EFLAGS: 00010286
[ 8.854797][ T166] RAX: 00000000ffffffa6 RBX: ff11000009ec8ac0 RCX: 1ff400000010cf51
[ 8.854973][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009ec8b70
[ 8.855160][ T166] RBP: ff1100000937c000 R08: 1fe22000013d916f R09: ff1100000bb62e58
[ 8.855335][ T166] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[ 8.855513][ T166] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[ 8.855692][ T166] FS: 000000000eacb400(0000) GS:ff1100007b9d3000(0000) knlGS:0000000000000000
[ 8.855893][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.856053][ T166] CR2: 00007f45c8852000 CR3: 000000000c1b9003 CR4: 0000000000771ef0
[ 8.856233][ T166] PKRU: 55555554
[ 8.856319][ T166] Call Trace:
[ 8.856412][ T166]
[ 8.856473][ T166] ? rcu_is_watching+0x15/0xd0
[ 8.856590][ T166] rtnetlink_event+0xe0/0x1f0
[ 8.856707][ T166] notifier_call_chain+0xb0/0x320
[ 8.856824][ T166] netdev_update_features+0xa9/0xb0
[ 8.856945][ T166] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 8.857091][ T166] __tun_chr_ioctl+0xc7f/0x2470
[ 8.857215][ T166] ? tun_chr_read_iter+0x210/0x210
[ 8.857331][ T166] ? fd_install+0x19b/0x3d0
[ 8.857452][ T166] ? update_socket_protocol+0x10/0x10
[ 8.857567][ T166] ? alloc_file_clone+0xe0/0xe0
[ 8.857686][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.857803][ T166] do_syscall_64+0x117/0xfc0
[ 8.857921][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.858036][ T166] ? exc_page_fault+0xee/0x100
[ 8.858157][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.858299][ T166] RIP: 0033:0x47cc8d
[ 8.858391][ T166] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 8.858808][ T166] RSP: 002b:00007ffc738e0450 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.858987][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.859163][ T166] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 8.859335][ T166] RBP: 00007ffc738e04a0 R08: 0000000000000000 R09: 0000000000000000
[ 8.859511][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc738e0968
[ 8.859686][ T166] R13: 00007ffc738e09f0 R14: 0000000000000002 R15: 0000000000543540
[ 8.859864][ T166]
[ 8.859951][ T166] irq event stamp: 39983
[ 8.860038][ T166] hardirqs last enabled at (39991): [] __up_console_sem+0x5a/0x70
[ 8.860244][ T166] hardirqs last disabled at (39998): [] __up_console_sem+0x3f/0x70
[ 8.860447][ T166] softirqs last enabled at (39568): [] __alloc_skb+0x4c5/0x5f0
[ 8.860646][ T166] softirqs last disabled at (39566): [] __alloc_skb+0x4c5/0x5f0
[ 8.860846][ T166] ---[ end trace 0000000000000000 ]---
[ 8.861309][ T166] ------------[ cut here ]------------
[ 8.861445][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/166
[ 8.861687][ T166] Modules linked in:
[ 8.861785][ T166] CPU: 0 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.862064][ T166] Tainted: [W]=WARN
[ 8.862162][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.862320][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.862485][ T166] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 8.862927][ T166] RSP: 0018:ffa0000000867850 EFLAGS: 00010286
[ 8.863082][ T166] RAX: 00000000ffffffa6 RBX: ff11000009ec8340 RCX: 1ff400000010ced0
[ 8.863274][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009ec83f0
[ 8.863466][ T166] RBP: ff1100000937c000 R08: 1fe22000013d907f R09: ff1100000bb62e58
[ 8.863650][ T166] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[ 8.863834][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005818900
[ 8.864019][ T166] FS: 000000000eacb400(0000) GS:ff1100007b9d3000(0000) knlGS:0000000000000000
[ 8.864240][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.864394][ T166] CR2: 00007f45c8852000 CR3: 000000000c1b9003 CR4: 0000000000771ef0
[ 8.864582][ T166] PKRU: 55555554
[ 8.864677][ T166] Call Trace:
[ 8.864769][ T166]
[ 8.864833][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.864963][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.865058][ T166] ? mark_held_locks+0x40/0x70
[ 8.865191][ T166] __dev_notify_flags+0x1b8/0x280
[ 8.865315][ T166] ? netif_change_name+0x8c0/0x8c0
[ 8.865444][ T166] ? __dev_change_flags+0x4a4/0x660
[ 8.865571][ T166] ? netif_set_allmulti+0x250/0x250
[ 8.865694][ T166] ? lock_acquire.part.0+0xbc/0x260
[ 8.865820][ T166] netif_change_flags+0xfe/0x190
[ 8.865946][ T166] ? cap_capable+0x1d6/0x3e0
[ 8.866075][ T166] dev_change_flags+0xa5/0x170
[ 8.866206][ T166] devinet_ioctl+0x10f0/0x1840
[ 8.866332][ T166] ? inet_ifa_byprefix+0x220/0x220
[ 8.866461][ T166] ? _copy_from_user+0x42/0x90
[ 8.866591][ T166] inet_ioctl+0x34b/0x3a0
[ 8.866690][ T166] ? inet_dgram_connect+0x3e0/0x3e0
[ 8.866816][ T166] ? __lock_acquire+0x508/0xc10
[ 8.866944][ T166] ? __might_fault+0x97/0x140
[ 8.867069][ T166] ? __might_fault+0x97/0x140
[ 8.867196][ T166] sock_do_ioctl+0x10e/0x270
[ 8.867323][ T166] ? __sock_recv_cmsgs+0x550/0x550
[ 8.867456][ T166] ? ioctl_file_clone+0xd0/0xd0
[ 8.867584][ T166] sock_ioctl+0x3cb/0x5f0
[ 8.867680][ T166] ? br_ioctl_call+0x80/0x80
[ 8.867806][ T166] ? fd_install+0x19b/0x3d0
[ 8.867933][ T166] ? update_socket_protocol+0x10/0x10
[ 8.868056][ T166] ? alloc_file_clone+0xe0/0xe0
[ 8.868186][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.868311][ T166] do_syscall_64+0x117/0xfc0
[ 8.868442][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.868566][ T166] ? exc_page_fault+0xee/0x100
[ 8.868698][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.868853][ T166] RIP: 0033:0x47cc8d
[ 8.868955][ T166] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 8.869500][ T166] RSP: 002b:00007ffc738e0430 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.869772][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.869956][ T166] RDX: 00007ffc738e04a0 RSI: 0000000000008914 RDI: 0000000000000006
[ 8.870145][ T166] RBP: 00007ffc738e0480 R08: 0000000000000000 R09: 0000000000000000
[ 8.870419][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc738e0968
[ 8.870604][ T166] R13: 00007ffc738e09f0 R14: 0000000000000002 R15: 0000000000543540
[ 8.870876][ T166]
[ 8.870968][ T166] irq event stamp: 40865
[ 8.871061][ T166] hardirqs last enabled at (40873): [] __up_console_sem+0x5a/0x70
[ 8.871288][ T166] hardirqs last disabled at (40880): [] __up_console_sem+0x3f/0x70
[ 8.871588][ T166] softirqs last enabled at (40308): [] __alloc_skb+0x4c5/0x5f0
[ 8.871804][ T166] softirqs last disabled at (40306): [] __alloc_skb+0x4c5/0x5f0
[ 8.872095][ T166] ---[ end trace 0000000000000000 ]---
[ 98.656028][ T166] ------------[ cut here ]------------
[ 98.656219][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/166
[ 98.656508][ T166] Modules linked in:
[ 98.656619][ T166] CPU: 0 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.656926][ T166] Tainted: [W]=WARN
[ 98.657027][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.657193][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.657371][ T166] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 98.658624][ T166] RSP: 0018:ffa00000008676f0 EFLAGS: 00010286
[ 98.658794][ T166] RAX: 00000000ffffffa6 RBX: ff11000001ef67c0 RCX: 1ff400000010cea4
[ 98.658992][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001ef6870
[ 98.659188][ T166] RBP: ff1100000937c000 R08: 1fe22000003ded0f R09: ff1100000bb62e58
[ 98.659385][ T166] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[ 98.660164][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000867790
[ 98.660365][ T166] FS: 0000000000000000(0000) GS:ff1100007b9d3000(0000) knlGS:0000000000000000
[ 98.661118][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.661286][ T166] CR2: 00007f45c8852000 CR3: 0000000029339001 CR4: 0000000000771ef0
[ 98.662199][ T166] PKRU: 55555554
[ 98.662303][ T166] Call Trace:
[ 98.662405][ T166]
[ 98.662600][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 98.662734][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 98.662836][ T166] netif_close_many+0x2ac/0x640
[ 98.662969][ T166] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 98.663103][ T166] ? lock_acquire.part.0+0xbc/0x260
[ 98.663237][ T166] ? find_held_lock+0x2b/0x80
[ 98.663369][ T166] ? __dev_close_many+0x530/0x530
[ 98.663512][ T166] ? netif_close_many_and_unlock+0x22/0x2c0
[ 98.663678][ T166] unregister_netdevice_many_notify+0x671/0x19a0
[ 98.663843][ T166] ? select_fallback_rq+0x510/0x510
[ 98.663976][ T166] ? unregister_netdevice_queued+0x80/0x80
[ 98.664141][ T166] ? find_held_lock+0x2b/0x80
[ 98.664273][ T166] ? find_held_lock+0x2b/0x80
[ 98.664413][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.664547][ T166] ? __queue_work+0x315/0xc00
[ 98.664687][ T166] unregister_netdevice_queue+0x290/0x470
[ 98.664821][ T166] ? mark_held_locks+0x40/0x70
[ 98.664954][ T166] ? unregister_netdevice_many+0x20/0x20
[ 98.665089][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.665228][ T166] ? queue_delayed_work_on+0x95/0x100
[ 98.665358][ T166] __tun_detach+0xf36/0x1320
[ 98.665509][ T166] tun_chr_close+0xac/0x1b0
[ 98.665642][ T166] __fput+0x363/0xac0
[ 98.665746][ T166] task_work_run+0x12b/0x240
[ 98.665879][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.666011][ T166] ? task_work_cancel+0x30/0x30
[ 98.666144][ T166] ? kmem_cache_free+0xf8/0x560
[ 98.666279][ T166] do_exit+0x614/0xdc0
[ 98.666380][ T166] ? exit_notify+0x890/0x890
[ 98.666519][ T166] ? find_held_lock+0x2b/0x80
[ 98.666649][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.666780][ T166] ? __rwlock_init+0x150/0x150
[ 98.666913][ T166] do_group_exit+0xb8/0x370
[ 98.667045][ T166] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.667209][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.667359][ T166] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.667503][ T166] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.667634][ T166] get_signal+0x172e/0x1820
[ 98.667769][ T166] ? __sys_sendto+0x2c9/0x400
[ 98.667901][ T166] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.668030][ T166] ? __might_fault+0x97/0x140
[ 98.668165][ T166] ? ptrace_signal+0x600/0x600
[ 98.668300][ T166] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.668442][ T166] ? get_sigframe_size+0x20/0x20
[ 98.668578][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.668712][ T166] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.668881][ T166] exit_to_user_mode_loop+0x86/0x520
[ 98.669013][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.669145][ T166] do_syscall_64+0x437/0xfc0
[ 98.669278][ T166] ? irq_exit_rcu+0x1a/0x30
[ 98.669420][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.669585][ T166] RIP: 0033:0x4c2d9e
[ 98.669790][ T166] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.669975][ T166] RSP: 002b:00007ffc738dfdc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.670177][ T166] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 98.670377][ T166] RDX: 0000000000000014 RSI: 00007ffc738dfea0 RDI: 0000000000000007
[ 98.670672][ T166] RBP: 00007ffc738dfdd0 R08: 00007ffc738dfe60 R09: 000000000000000c
[ 98.670871][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc738e0968
[ 98.671067][ T166] R13: 00007ffc738e09f0 R14: 00007ffc738dff90 R15: 0000000000543540
[ 98.671360][ T166]
[ 98.671475][ T166] irq event stamp: 133074775
[ 98.671607][ T166] hardirqs last enabled at (133074783): [] __up_console_sem+0x5a/0x70
[ 98.671926][ T166] hardirqs last disabled at (133074790): [] __up_console_sem+0x3f/0x70
[ 98.672154][ T166] softirqs last enabled at (133074260): [] handle_softirqs+0x611/0x940
[ 98.672383][ T166] softirqs last disabled at (133074057): [] __irq_exit_rcu+0x103/0x1c0
[ 98.672718][ T166] ---[ end trace 0000000000000000 ]---
[ 98.675466][ T166] ------------[ cut here ]------------
[ 98.675603][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/166
[ 98.675857][ T166] Modules linked in:
[ 98.675958][ T166] CPU: 0 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.676246][ T166] Tainted: [W]=WARN
[ 98.676343][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.678484][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.678671][ T166] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 98.679398][ T166] RSP: 0018:ffa0000000867820 EFLAGS: 00010286
[ 98.680278][ T166] RAX: 00000000ffffffa6 RBX: ff11000001ef76c0 RCX: 1ff400000010ceca
[ 98.681184][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001ef7770
[ 98.681373][ T166] RBP: ff1100000937c000 R08: 1fe22000003deeef R09: ff1100000bb62e58
[ 98.682147][ T166] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.682334][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.682530][ T166] FS: 0000000000000000(0000) GS:ff1100007b9d3000(0000) knlGS:0000000000000000
[ 98.682752][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.682913][ T166] CR2: 00007f45c8852000 CR3: 0000000029339001 CR4: 0000000000771ef0
[ 98.683103][ T166] PKRU: 55555554
[ 98.683198][ T166] Call Trace:
[ 98.683291][ T166]
[ 98.683357][ T166] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.683528][ T166] ? unregister_netdevice_queued+0x80/0x80
[ 98.683683][ T166] ? find_held_lock+0x2b/0x80
[ 98.683811][ T166] ? find_held_lock+0x2b/0x80
[ 98.683937][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.684065][ T166] ? __queue_work+0x315/0xc00
[ 98.684194][ T166] unregister_netdevice_queue+0x290/0x470
[ 98.684320][ T166] ? mark_held_locks+0x40/0x70
[ 98.684454][ T166] ? unregister_netdevice_many+0x20/0x20
[ 98.684582][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.684708][ T166] ? queue_delayed_work_on+0x95/0x100
[ 98.684836][ T166] __tun_detach+0xf36/0x1320
[ 98.684966][ T166] tun_chr_close+0xac/0x1b0
[ 98.685092][ T166] __fput+0x363/0xac0
[ 98.685191][ T166] task_work_run+0x12b/0x240
[ 98.685317][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.685454][ T166] ? task_work_cancel+0x30/0x30
[ 98.685583][ T166] ? kmem_cache_free+0xf8/0x560
[ 98.685712][ T166] do_exit+0x614/0xdc0
[ 98.685807][ T166] ? exit_notify+0x890/0x890
[ 98.685934][ T166] ? find_held_lock+0x2b/0x80
[ 98.686062][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.686187][ T166] ? __rwlock_init+0x150/0x150
[ 98.686314][ T166] do_group_exit+0xb8/0x370
[ 98.686456][ T166] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.686614][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.686740][ T166] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.686866][ T166] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.686992][ T166] get_signal+0x172e/0x1820
[ 98.687122][ T166] ? __sys_sendto+0x2c9/0x400
[ 98.687249][ T166] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.687374][ T166] ? __might_fault+0x97/0x140
[ 98.687510][ T166] ? ptrace_signal+0x600/0x600
[ 98.687641][ T166] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.687770][ T166] ? get_sigframe_size+0x20/0x20
[ 98.687898][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.688024][ T166] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.688182][ T166] exit_to_user_mode_loop+0x86/0x520
[ 98.688310][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.688449][ T166] do_syscall_64+0x437/0xfc0
[ 98.688659][ T166] ? irq_exit_rcu+0x1a/0x30
[ 98.688789][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.688949][ T166] RIP: 0033:0x4c2d9e
[ 98.689051][ T166] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.689305][ T166] RSP: 002b:00007ffc738dfdc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.689507][ T166] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 98.689693][ T166] RDX: 0000000000000014 RSI: 00007ffc738dfea0 RDI: 0000000000000007
[ 98.689968][ T166] RBP: 00007ffc738dfdd0 R08: 00007ffc738dfe60 R09: 000000000000000c
[ 98.690160][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc738e0968
[ 98.690349][ T166] R13: 00007ffc738e09f0 R14: 00007ffc738dff90 R15: 0000000000543540
[ 98.690643][ T166]
[ 98.690738][ T166] irq event stamp: 133082825
[ 98.690864][ T166] hardirqs last enabled at (133082833): [] __up_console_sem+0x5a/0x70
[ 98.691166][ T166] hardirqs last disabled at (133082840): [] __up_console_sem+0x3f/0x70
[ 98.691387][ T166] softirqs last enabled at (133082592): [] handle_softirqs+0x611/0x940
[ 98.691700][ T166] softirqs last disabled at (133082587): [] __irq_exit_rcu+0x103/0x1c0
[ 98.691919][ T166] ---[ end trace 0000000000000000 ]---
[ 98.711826][ T12] ------------[ cut here ]------------
[ 98.711989][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: kworker/u16:0/12
[ 98.712258][ T12] Modules linked in:
[ 98.712374][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.713111][ T12] Tainted: [W]=WARN
[ 98.713203][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.713451][ T12] Workqueue: netns cleanup_net
[ 98.713587][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.713743][ 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
[ 98.714171][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 98.714323][ T12] RAX: 00000000ffffffa6 RBX: ff11000004bdfcc0 RCX: 1ff4000000018ed5
[ 98.714577][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004bdfd70
[ 98.714755][ T12] RBP: ff11000009e11000 R08: 1fe220000097bfaf R09: ff11000001afd1d0
[ 98.714931][ T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.715107][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.715300][ T12] FS: 0000000000000000(0000) GS:ff1100007ba53000(0000) knlGS:0000000000000000
[ 98.715560][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.715714][ T12] CR2: 00007f4511e77f98 CR3: 0000000029339001 CR4: 0000000000771ef0
[ 98.715890][ T12] PKRU: 55555554
[ 98.715979][ T12] Call Trace:
[ 98.716073][ T12]
[ 98.716137][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.716287][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 98.716506][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 98.716650][ T12] default_device_exit_batch+0x38b/0x600
[ 98.716772][ T12] ? generic_xdp_install+0x400/0x400
[ 98.716890][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 98.717011][ T12] ? unregister_netdev+0x60/0x60
[ 98.717129][ T12] ? rtnl_is_locked+0x15/0x20
[ 98.717247][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 98.717367][ T12] ops_undo_list+0x2ce/0x8f0
[ 98.717541][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 98.717658][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.717780][ T12] cleanup_net+0x431/0x890
[ 98.717901][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 98.718021][ T12] ? process_one_work+0xdb7/0x1410
[ 98.718141][ T12] ? lock_acquire+0x134/0x160
[ 98.718262][ T12] ? rcu_is_watching+0x15/0xd0
[ 98.718382][ T12] process_one_work+0xdf8/0x1410
[ 98.718555][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 98.718674][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 98.718798][ T12] worker_thread+0x4f1/0xd60
[ 98.718922][ T12] ? rescuer_thread+0x1320/0x1320
[ 98.719045][ T12] kthread+0x367/0x460
[ 98.719136][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.719289][ T12] ? kthread_affine_node+0x330/0x330
[ 98.719462][ T12] ret_from_fork+0x474/0x6b0
[ 98.719583][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 98.719730][ T12] ? __switch_to+0x5a3/0xe00
[ 98.719852][ T12] ? kthread_affine_node+0x330/0x330
[ 98.719971][ T12] ret_from_fork_asm+0x11/0x20
[ 98.720095][ T12]
[ 98.720184][ T12] irq event stamp: 4375
[ 98.720277][ T12] hardirqs last enabled at (4383): [] __up_console_sem+0x5a/0x70
[ 98.720533][ T12] hardirqs last disabled at (4484): [] __up_console_sem+0x3f/0x70
[ 98.720741][ T12] softirqs last enabled at (4482): [] handle_softirqs+0x611/0x940
[ 98.720949][ T12] softirqs last disabled at (4391): [] __irq_exit_rcu+0x103/0x1c0
[ 98.721154][ T12] ---[ end trace 0000000000000000 ]---