[ 8.924270][ T166] ------------[ cut here ]------------
[ 8.924548][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: unshare/166
[ 8.924925][ T166] Modules linked in:
[ 8.925132][ T166] CPU: 2 UID: 0 PID: 166 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.925470][ T166] Tainted: [W]=WARN
[ 8.925626][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.925848][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.926133][ 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
[ 8.926673][ T166] RSP: 0018:ffa0000000827ab0 EFLAGS: 00010286
[ 8.926895][ T166] RAX: 00000000ffffffa6 RBX: ff110000093784c0 RCX: 1ff4000000104f1c
[ 8.927158][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009378570
[ 8.927409][ T166] RBP: ff1100000a191000 R08: 1fe220000126f0af R09: ff1100000c665180
[ 8.927674][ T166] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.927927][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a191000
[ 8.928198][ T166] FS: 00007f6053280740(0000) GS:ff110000ac0d3000(0000) knlGS:0000000000000000
[ 8.928502][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.928726][ T166] CR2: 0000563aeb993310 CR3: 000000000c111004 CR4: 0000000000771ef0
[ 8.928991][ T166] PKRU: 55555554
[ 8.929145][ T166] Call Trace:
[ 8.929297][ T166]
[ 8.929428][ T166] ? ip6_route_dev_notify+0x250/0x380
[ 8.929618][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.929805][ T166] ? notifier_call_chain+0xb0/0x320
[ 8.930011][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.930167][ T166] register_netdevice+0x137a/0x1980
[ 8.930356][ T166] ? unregister_netdevice_queue+0x470/0x470
[ 8.930596][ T166] register_netdev+0x23/0x40
[ 8.930793][ T166] loopback_net_init+0x7d/0x150
[ 8.930992][ T166] ops_init+0x187/0x560
[ 8.931150][ T166] setup_net+0x11b/0x3b0
[ 8.931304][ T166] ? unregister_pernet_device+0x80/0x80
[ 8.931500][ T166] ? lockdep_init_map_type+0x5d/0x250
[ 8.931689][ T166] ? mutex_init_lockdep+0xf6/0x120
[ 8.931876][ T166] copy_net_ns+0x2fd/0x450
[ 8.932081][ T166] create_new_namespaces+0x371/0xa10
[ 8.932269][ T166] unshare_nsproxy_namespaces+0xa5/0x150
[ 8.932468][ T166] ksys_unshare+0x47e/0x8c0
[ 8.932657][ T166] ? walk_process_tree+0x350/0x350
[ 8.932847][ T166] __x64_sys_unshare+0x34/0x50
[ 8.933045][ T166] ? do_syscall_64+0x82/0xfc0
[ 8.933231][ T166] do_syscall_64+0x117/0xfc0
[ 8.933428][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.933619][ T166] ? exc_page_fault+0xee/0x100
[ 8.933807][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.934038][ T166] RIP: 0033:0x7f605337bbcb
[ 8.934231][ 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
[ 8.934771][ T166] RSP: 002b:00007ffd6a4b9e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 8.935039][ T166] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f605337bbcb
[ 8.935290][ T166] RDX: 0000000000000000 RSI: 00007ffd6a4b9bb0 RDI: 0000000040000000
[ 8.935555][ T166] RBP: 00007ffd6a4ba1d0 R08: 00007ffd6a4b9da0 R09: 0000000000000000
[ 8.935808][ T166] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 8.936072][ T166] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000563aeb996b68
[ 8.936328][ T166]
[ 8.936495][ T166] irq event stamp: 16123
[ 8.936647][ T166] hardirqs last enabled at (16133): [] __up_console_sem+0x5a/0x70
[ 8.936949][ T166] hardirqs last disabled at (16144): [] __up_console_sem+0x3f/0x70
[ 8.937229][ T166] softirqs last enabled at (15580): [] handle_softirqs+0x611/0x940
[ 8.937528][ T166] softirqs last disabled at (15569): [] __irq_exit_rcu+0x103/0x1c0
[ 8.937812][ T166] ---[ end trace 0000000000000000 ]---
[ 8.955278][ T166] ------------[ cut here ]------------
[ 8.955479][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/166
[ 8.955776][ T166] Modules linked in:
[ 8.955925][ T166] CPU: 2 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.956268][ T166] Tainted: [W]=WARN
[ 8.956422][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.956631][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.956846][ 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
[ 8.957739][ T166] RSP: 0018:ffa0000000827b58 EFLAGS: 00010286
[ 8.957958][ T166] RAX: 00000000ffffffa6 RBX: ff11000004b34c40 RCX: 1ff4000000104f31
[ 8.958191][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b34cf0
[ 8.958433][ T166] RBP: ff1100000b32c000 R08: 1fe220000096699f R09: ff1100000c665158
[ 8.958667][ T166] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.958899][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b32c000
[ 8.959142][ T166] FS: 000000001f0cc400(0000) GS:ff110000ac0d3000(0000) knlGS:0000000000000000
[ 8.959420][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.959629][ T166] CR2: 00007f8b95229000 CR3: 000000000c11d005 CR4: 0000000000771ef0
[ 8.959864][ T166] PKRU: 55555554
[ 8.960016][ T166] Call Trace:
[ 8.960160][ T166]
[ 8.960275][ T166] ? ip6_route_dev_notify+0x3d/0x380
[ 8.960461][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.960640][ T166] ? notifier_call_chain+0xb0/0x320
[ 8.960817][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.960976][ T166] register_netdevice+0x137a/0x1980
[ 8.961152][ T166] ? unregister_netdevice_queue+0x470/0x470
[ 8.961355][ T166] ? alloc_netdev_mqs+0xec0/0x1410
[ 8.961549][ T166] tun_set_iff.constprop.0+0xc61/0x1850
[ 8.961732][ T166] ? tun_attach.isra.0+0x1630/0x1630
[ 8.961908][ T166] ? tun_get+0x106/0x240
[ 8.962068][ T166] __tun_chr_ioctl+0x4b0/0x2470
[ 8.962243][ T166] ? build_open_flags+0x620/0x620
[ 8.962430][ T166] ? tun_chr_read_iter+0x210/0x210
[ 8.962608][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 8.962784][ T166] ? __x64_sys_openat+0x10e/0x210
[ 8.962971][ T166] ? fput_close_sync+0xde/0x1b0
[ 8.963150][ T166] ? __ia32_sys_open+0x1b0/0x1b0
[ 8.963327][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.963522][ T166] do_syscall_64+0x117/0xfc0
[ 8.963697][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.963872][ T166] ? exc_page_fault+0xee/0x100
[ 8.964061][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.964266][ T166] RIP: 0033:0x47cc8d
[ 8.964424][ 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
[ 8.964915][ T166] RSP: 002b:00007ffec13b5b60 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.965163][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.965398][ T166] RDX: 00007ffec13b5be0 RSI: 00000000400454ca RDI: 0000000000000005
[ 8.965647][ T166] RBP: 00007ffec13b5bb0 R08: 0000000000000000 R09: 0000000000000000
[ 8.965883][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffec13b60b8
[ 8.966129][ T166] R13: 00007ffec13b6140 R14: 0000000000000002 R15: 0000000000543540
[ 8.966370][ T166]
[ 8.966528][ T166] irq event stamp: 29541
[ 8.966672][ T166] hardirqs last enabled at (29551): [] __up_console_sem+0x5a/0x70
[ 8.966950][ T166] hardirqs last disabled at (29562): [] __up_console_sem+0x3f/0x70
[ 8.967213][ T166] softirqs last enabled at (29096): [] handle_softirqs+0x611/0x940
[ 8.967495][ T166] softirqs last disabled at (29091): [] __irq_exit_rcu+0x103/0x1c0
[ 8.967760][ T166] ---[ end trace 0000000000000000 ]---
[ 8.974340][ T166] ------------[ cut here ]------------
[ 8.974524][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/166
[ 8.974817][ T166] Modules linked in:
[ 8.975025][ T166] CPU: 2 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.975351][ T166] Tainted: [W]=WARN
[ 8.975508][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.975711][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.975921][ 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
[ 8.976428][ T166] RSP: 0018:ffa0000000827c58 EFLAGS: 00010286
[ 8.976635][ T166] RAX: 00000000ffffffa6 RBX: ff11000004b353c0 RCX: 1ff4000000104f51
[ 8.976865][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b35470
[ 8.977572][ T166] RBP: ff1100000b32c000 R08: 1fe2200000966a8f R09: ff1100000c665158
[ 8.978277][ T166] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[ 8.978983][ T166] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[ 8.979294][ T166] FS: 000000001f0cc400(0000) GS:ff110000ac0d3000(0000) knlGS:0000000000000000
[ 8.979571][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.979778][ T166] CR2: 00007f8b95229000 CR3: 000000000c11d005 CR4: 0000000000771ef0
[ 8.980054][ T166] PKRU: 55555554
[ 8.980196][ T166] Call Trace:
[ 8.980338][ T166]
[ 8.980467][ T166] ? rcu_is_watching+0x15/0xd0
[ 8.980642][ T166] rtnetlink_event+0xe0/0x1f0
[ 8.980823][ T166] notifier_call_chain+0xb0/0x320
[ 8.981012][ T166] netdev_update_features+0xa9/0xb0
[ 8.981189][ T166] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 8.981392][ T166] __tun_chr_ioctl+0xc7f/0x2470
[ 8.981583][ T166] ? tun_chr_read_iter+0x210/0x210
[ 8.981758][ T166] ? fd_install+0x19b/0x3d0
[ 8.981947][ T166] ? update_socket_protocol+0x10/0x10
[ 8.982120][ T166] ? alloc_file_clone+0xe0/0xe0
[ 8.982296][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.982493][ T166] do_syscall_64+0x117/0xfc0
[ 8.982666][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.982840][ T166] ? exc_page_fault+0xee/0x100
[ 8.983027][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.983227][ T166] RIP: 0033:0x47cc8d
[ 8.983375][ 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
[ 8.983866][ T166] RSP: 002b:00007ffec13b5ba0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.984112][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.984341][ T166] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 8.984587][ T166] RBP: 00007ffec13b5bf0 R08: 0000000000000005 R09: 0000000000001ff0
[ 8.984818][ T166] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffec13b60b8
[ 8.985063][ T166] R13: 00007ffec13b6140 R14: 0000000000000002 R15: 0000000000543540
[ 8.985300][ T166]
[ 8.985450][ T166] irq event stamp: 40137
[ 8.985592][ T166] hardirqs last enabled at (40147): [] __up_console_sem+0x5a/0x70
[ 8.985855][ T166] hardirqs last disabled at (40156): [] __up_console_sem+0x3f/0x70
[ 8.986128][ T166] softirqs last enabled at (39816): [] handle_softirqs+0x611/0x940
[ 8.986387][ T166] softirqs last disabled at (39639): [] __irq_exit_rcu+0x103/0x1c0
[ 8.986661][ T166] ---[ end trace 0000000000000000 ]---
[ 8.987258][ T166] ------------[ cut here ]------------
[ 8.987440][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/166
[ 8.987745][ T166] Modules linked in:
[ 8.987897][ T166] CPU: 2 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.988252][ T166] Tainted: [W]=WARN
[ 8.988400][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.988628][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.988848][ 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
[ 8.989372][ T166] RSP: 0018:ffa0000000827850 EFLAGS: 00010286
[ 8.989598][ T166] RAX: 00000000ffffffa6 RBX: ff11000004b344c0 RCX: 1ff4000000104ed0
[ 8.989841][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b34570
[ 8.990097][ T166] RBP: ff1100000b32c000 R08: 1fe22000009668af R09: ff1100000c665158
[ 8.990345][ T166] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[ 8.990602][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000057f8900
[ 8.990848][ T166] FS: 000000001f0cc400(0000) GS:ff110000ac0d3000(0000) knlGS:0000000000000000
[ 8.991138][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.991352][ T166] CR2: 00007f8b95229000 CR3: 000000000c11d005 CR4: 0000000000771ef0
[ 8.991615][ T166] PKRU: 55555554
[ 8.991765][ T166] Call Trace:
[ 8.991914][ T166]
[ 8.992045][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.992229][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.992380][ T166] ? mark_held_locks+0x40/0x70
[ 8.992570][ T166] __dev_notify_flags+0x1b8/0x280
[ 8.992753][ T166] ? netif_change_name+0x8c0/0x8c0
[ 8.992949][ T166] ? __dev_change_flags+0x4a4/0x660
[ 8.993130][ T166] ? netif_set_allmulti+0x250/0x250
[ 8.993313][ T166] ? lock_acquire.part.0+0xbc/0x260
[ 8.993510][ T166] netif_change_flags+0xfe/0x190
[ 8.993691][ T166] ? cap_capable+0x1d6/0x3e0
[ 8.993874][ T166] dev_change_flags+0xa5/0x170
[ 8.994069][ T166] devinet_ioctl+0x10f0/0x1840
[ 8.994256][ T166] ? inet_ifa_byprefix+0x220/0x220
[ 8.994445][ T166] ? _copy_from_user+0x42/0x90
[ 8.994630][ T166] inet_ioctl+0x34b/0x3a0
[ 8.994781][ T166] ? inet_dgram_connect+0x3e0/0x3e0
[ 8.994974][ T166] ? __lock_acquire+0x508/0xc10
[ 8.995161][ T166] ? __might_fault+0x97/0x140
[ 8.995344][ T166] ? __might_fault+0x97/0x140
[ 8.995541][ T166] sock_do_ioctl+0x10e/0x270
[ 8.995724][ T166] ? __sock_recv_cmsgs+0x550/0x550
[ 8.995907][ T166] ? ioctl_file_clone+0xd0/0xd0
[ 8.996104][ T166] sock_ioctl+0x3cb/0x5f0
[ 8.996255][ T166] ? br_ioctl_call+0x80/0x80
[ 8.996444][ T166] ? fd_install+0x19b/0x3d0
[ 8.996631][ T166] ? update_socket_protocol+0x10/0x10
[ 8.996811][ T166] ? alloc_file_clone+0xe0/0xe0
[ 8.997012][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.997194][ T166] do_syscall_64+0x117/0xfc0
[ 8.997375][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.997565][ T166] ? exc_page_fault+0xee/0x100
[ 8.997749][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.997973][ T166] RIP: 0033:0x47cc8d
[ 8.998126][ 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
[ 8.998650][ T166] RSP: 002b:00007ffec13b5b80 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.998897][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.999151][ T166] RDX: 00007ffec13b5bf0 RSI: 0000000000008914 RDI: 0000000000000006
[ 8.999398][ T166] RBP: 00007ffec13b5bd0 R08: 0000000000000005 R09: 0000000000001ff0
[ 8.999659][ T166] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffec13b60b8
[ 8.999904][ T166] R13: 00007ffec13b6140 R14: 0000000000000002 R15: 0000000000543540
[ 9.000170][ T166]
[ 9.000319][ T166] irq event stamp: 41161
[ 9.000486][ T166] hardirqs last enabled at (41171): [] __up_console_sem+0x5a/0x70
[ 9.000763][ T166] hardirqs last disabled at (41180): [] __up_console_sem+0x3f/0x70
[ 9.001050][ T166] softirqs last enabled at (40474): [] __alloc_skb+0x4c5/0x5f0
[ 9.001325][ T166] softirqs last disabled at (40472): [] __alloc_skb+0x4c5/0x5f0
[ 9.001620][ T166] ---[ end trace 0000000000000000 ]---
[ 98.764073][ T166] ------------[ cut here ]------------
[ 98.764375][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/166
[ 98.764832][ T166] Modules linked in:
[ 98.765994][ T166] CPU: 0 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.766517][ T166] Tainted: [W]=WARN
[ 98.766690][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.767874][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.768187][ 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
[ 98.769004][ T166] RSP: 0018:ffa00000008276f0 EFLAGS: 00010286
[ 98.769299][ T166] RAX: 00000000ffffffa6 RBX: ff11000004b35cc0 RCX: 1ff4000000104ea4
[ 98.769625][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b35d70
[ 98.769973][ T166] RBP: ff1100000b32c000 R08: 1fe2200000966baf R09: ff1100000c665158
[ 98.770315][ T166] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[ 98.770657][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000827790
[ 98.771010][ T166] FS: 0000000000000000(0000) GS:ff110000abfd3000(0000) knlGS:0000000000000000
[ 98.771412][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.771697][ T166] CR2: 00007f5d282736f0 CR3: 0000000021d39001 CR4: 0000000000771ef0
[ 98.772048][ T166] PKRU: 55555554
[ 98.772223][ T166] Call Trace:
[ 98.772392][ T166]
[ 98.772515][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 98.772747][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 98.772921][ T166] netif_close_many+0x2ac/0x640
[ 98.773168][ T166] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 98.773388][ T166] ? lock_acquire.part.0+0xbc/0x260
[ 98.773598][ T166] ? find_held_lock+0x2b/0x80
[ 98.773826][ T166] ? __dev_close_many+0x530/0x530
[ 98.774062][ T166] ? netif_close_many_and_unlock+0x22/0x2c0
[ 98.774350][ T166] unregister_netdevice_many_notify+0x671/0x19a0
[ 98.774638][ T166] ? select_fallback_rq+0x510/0x510
[ 98.774867][ T166] ? unregister_netdevice_queued+0x80/0x80
[ 98.775161][ T166] ? find_held_lock+0x2b/0x80
[ 98.775409][ T166] ? find_held_lock+0x2b/0x80
[ 98.775641][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.775874][ T166] ? __queue_work+0x315/0xc00
[ 98.776114][ T166] unregister_netdevice_queue+0x290/0x470
[ 98.776349][ T166] ? mark_held_locks+0x40/0x70
[ 98.776578][ T166] ? unregister_netdevice_many+0x20/0x20
[ 98.776805][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.777043][ T166] ? queue_delayed_work_on+0x95/0x100
[ 98.777284][ T166] __tun_detach+0xf36/0x1320
[ 98.777492][ T166] tun_chr_close+0xac/0x1b0
[ 98.777719][ T166] __fput+0x363/0xac0
[ 98.777901][ T166] task_work_run+0x12b/0x240
[ 98.778138][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.778372][ T166] ? task_work_cancel+0x30/0x30
[ 98.778602][ T166] ? kmem_cache_free+0xf8/0x560
[ 98.778842][ T166] do_exit+0x614/0xdc0
[ 98.779024][ T166] ? exit_notify+0x890/0x890
[ 98.779253][ T166] ? find_held_lock+0x2b/0x80
[ 98.779482][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.779710][ T166] ? __rwlock_init+0x150/0x150
[ 98.779947][ T166] do_group_exit+0xb8/0x370
[ 98.780177][ T166] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.780463][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.780693][ T166] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.780921][ T166] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.781161][ T166] get_signal+0x172e/0x1820
[ 98.781382][ T166] ? __sys_sendto+0x2c9/0x400
[ 98.781603][ T166] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.781831][ T166] ? __might_fault+0x97/0x140
[ 98.782073][ T166] ? ptrace_signal+0x600/0x600
[ 98.782310][ T166] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.782547][ T166] ? get_sigframe_size+0x20/0x20
[ 98.782785][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.783024][ T166] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.783314][ T166] exit_to_user_mode_loop+0x86/0x520
[ 98.783547][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.784967][ T166] do_syscall_64+0x437/0xfc0
[ 98.785200][ T166] ? irq_exit_rcu+0x1a/0x30
[ 98.785413][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.785695][ T166] RIP: 0033:0x4c2d9e
[ 98.785880][ T166] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.786237][ T166] RSP: 002b:00007ffec13b5510 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.786762][ T166] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 98.787289][ T166] RDX: 0000000000000014 RSI: 00007ffec13b55f0 RDI: 0000000000000007
[ 98.787628][ T166] RBP: 00007ffec13b5520 R08: 00007ffec13b55b0 R09: 000000000000000c
[ 98.787977][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec13b60b8
[ 98.788325][ T166] R13: 00007ffec13b6140 R14: 00007ffec13b56e0 R15: 0000000000543540
[ 98.788679][ T166]
[ 98.788849][ T166] irq event stamp: 126414455
[ 98.789256][ T166] hardirqs last enabled at (126414465): [] __up_console_sem+0x5a/0x70
[ 98.789634][ T166] hardirqs last disabled at (126414472): [] __up_console_sem+0x3f/0x70
[ 98.790041][ T166] softirqs last enabled at (126414486): [] handle_softirqs+0x611/0x940
[ 98.790610][ T166] softirqs last disabled at (126414481): [] __irq_exit_rcu+0x103/0x1c0
[ 98.791015][ T166] ---[ end trace 0000000000000000 ]---
[ 98.813768][ T166] ------------[ cut here ]------------
[ 98.814022][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/166
[ 98.814455][ T166] Modules linked in:
[ 98.814630][ T166] CPU: 0 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.815130][ T166] Tainted: [W]=WARN
[ 98.815299][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.815555][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.815842][ 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
[ 98.816636][ T166] RSP: 0018:ffa0000000827820 EFLAGS: 00010286
[ 98.816910][ T166] RAX: 00000000ffffffa6 RBX: ff1100000cbd4ac0 RCX: 1ff4000000104eca
[ 98.817248][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cbd4b70
[ 98.817577][ T166] RBP: ff1100000b32c000 R08: 1fe220000197a96f R09: ff1100000c665158
[ 98.817902][ T166] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.818243][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.818570][ T166] FS: 0000000000000000(0000) GS:ff110000abfd3000(0000) knlGS:0000000000000000
[ 98.818960][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.819239][ T166] CR2: 00007f5d282736f0 CR3: 0000000021d39001 CR4: 0000000000771ef0
[ 98.819532][ T166] PKRU: 55555554
[ 98.819684][ T166] Call Trace:
[ 98.819847][ T166]
[ 98.819971][ T166] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.820276][ T166] ? unregister_netdevice_queued+0x80/0x80
[ 98.820553][ T166] ? find_held_lock+0x2b/0x80
[ 98.820772][ T166] ? find_held_lock+0x2b/0x80
[ 98.821001][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.821225][ T166] ? __queue_work+0x315/0xc00
[ 98.821447][ T166] unregister_netdevice_queue+0x290/0x470
[ 98.821668][ T166] ? mark_held_locks+0x40/0x70
[ 98.821910][ T166] ? unregister_netdevice_many+0x20/0x20
[ 98.822146][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.822369][ T166] ? queue_delayed_work_on+0x95/0x100
[ 98.822591][ T166] __tun_detach+0xf36/0x1320
[ 98.822814][ T166] tun_chr_close+0xac/0x1b0
[ 98.823042][ T166] __fput+0x363/0xac0
[ 98.823466][ T166] task_work_run+0x12b/0x240
[ 98.823687][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.823905][ T166] ? task_work_cancel+0x30/0x30
[ 98.824133][ T166] ? kmem_cache_free+0xf8/0x560
[ 98.824365][ T166] do_exit+0x614/0xdc0
[ 98.824531][ T166] ? exit_notify+0x890/0x890
[ 98.824952][ T166] ? find_held_lock+0x2b/0x80
[ 98.825178][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.825401][ T166] ? __rwlock_init+0x150/0x150
[ 98.825625][ T166] do_group_exit+0xb8/0x370
[ 98.825843][ T166] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.826121][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.826344][ T166] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.826563][ T166] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.826782][ T166] get_signal+0x172e/0x1820
[ 98.827016][ T166] ? __sys_sendto+0x2c9/0x400
[ 98.827241][ T166] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.827462][ T166] ? __might_fault+0x97/0x140
[ 98.827686][ T166] ? ptrace_signal+0x600/0x600
[ 98.827909][ T166] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.828139][ T166] ? get_sigframe_size+0x20/0x20
[ 98.828367][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.828585][ T166] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.828859][ T166] exit_to_user_mode_loop+0x86/0x520
[ 98.829085][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.829307][ T166] do_syscall_64+0x437/0xfc0
[ 98.829526][ T166] ? irq_exit_rcu+0x1a/0x30
[ 98.829744][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.830021][ T166] RIP: 0033:0x4c2d9e
[ 98.830198][ T166] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.830475][ T166] RSP: 002b:00007ffec13b5510 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.830807][ T166] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 98.831139][ T166] RDX: 0000000000000014 RSI: 00007ffec13b55f0 RDI: 0000000000000007
[ 98.831449][ T166] RBP: 00007ffec13b5520 R08: 00007ffec13b55b0 R09: 000000000000000c
[ 98.831775][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec13b60b8
[ 98.832110][ T166] R13: 00007ffec13b6140 R14: 00007ffec13b56e0 R15: 0000000000543540
[ 98.832450][ T166]
[ 98.832613][ T166] irq event stamp: 126429335
[ 98.832827][ T166] hardirqs last enabled at (126429343): [] __up_console_sem+0x5a/0x70
[ 98.833216][ T166] hardirqs last disabled at (126429352): [] __up_console_sem+0x3f/0x70
[ 98.833590][ T166] softirqs last enabled at (126428680): [] __alloc_skb+0x4c5/0x5f0
[ 98.833984][ T166] softirqs last disabled at (126428678): [] __alloc_skb+0x4c5/0x5f0
[ 98.834361][ T166] ---[ end trace 0000000000000000 ]---
[ 98.855789][ T12] ------------[ cut here ]------------
[ 98.856076][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: kworker/u16:0/12
[ 98.856331][ T12] Modules linked in:
[ 98.856453][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.856734][ T12] Tainted: [W]=WARN
[ 98.856826][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.857021][ T12] Workqueue: netns cleanup_net
[ 98.857161][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.857374][ 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
[ 98.857818][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 98.857977][ T12] RAX: 00000000ffffffa6 RBX: ff1100000cbd4dc0 RCX: 1ff4000000018ed5
[ 98.858162][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cbd4e70
[ 98.858351][ T12] RBP: ff1100000a191000 R08: 1fe220000197a9cf R09: ff11000001afd1d0
[ 98.858533][ T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.858714][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.858895][ T12] FS: 0000000000000000(0000) GS:ff110000ac053000(0000) knlGS:0000000000000000
[ 98.859113][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.859273][ T12] CR2: 000055a1c9d612b8 CR3: 000000000c45f004 CR4: 0000000000771ef0
[ 98.859456][ T12] PKRU: 55555554
[ 98.859548][ T12] Call Trace:
[ 98.859643][ T12]
[ 98.859708][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.859863][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 98.860023][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 98.860146][ T12] default_device_exit_batch+0x38b/0x600
[ 98.860272][ T12] ? generic_xdp_install+0x400/0x400
[ 98.860396][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 98.860519][ T12] ? unregister_netdev+0x60/0x60
[ 98.860642][ T12] ? rtnl_is_locked+0x15/0x20
[ 98.860762][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 98.860887][ T12] ops_undo_list+0x2ce/0x8f0
[ 98.861017][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 98.861138][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.861268][ T12] cleanup_net+0x431/0x890
[ 98.861420][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 98.861551][ T12] ? process_one_work+0xdb7/0x1410
[ 98.861675][ T12] ? lock_acquire+0x134/0x160
[ 98.861796][ T12] ? rcu_is_watching+0x15/0xd0
[ 98.861918][ T12] process_one_work+0xdf8/0x1410
[ 98.862050][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 98.862176][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 98.862302][ T12] worker_thread+0x4f1/0xd60
[ 98.862432][ T12] ? rescuer_thread+0x1320/0x1320
[ 98.862555][ T12] kthread+0x367/0x460
[ 98.862647][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.862798][ T12] ? kthread_affine_node+0x330/0x330
[ 98.862919][ T12] ret_from_fork+0x474/0x6b0
[ 98.863050][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 98.863207][ T12] ? __switch_to+0x5a3/0xe00
[ 98.863333][ T12] ? kthread_affine_node+0x330/0x330
[ 98.863455][ T12] ret_from_fork_asm+0x11/0x20
[ 98.863587][ T12]
[ 98.863679][ T12] irq event stamp: 2807
[ 98.863770][ T12] hardirqs last enabled at (2815): [] __up_console_sem+0x5a/0x70
[ 98.863984][ T12] hardirqs last disabled at (2824): [] __up_console_sem+0x3f/0x70
[ 98.864204][ T12] softirqs last enabled at (2410): [] handle_softirqs+0x611/0x940
[ 98.864417][ T12] softirqs last disabled at (2353): [] __irq_exit_rcu+0x103/0x1c0
[ 98.864629][ T12] ---[ end trace 0000000000000000 ]---