[ 8.674198][ T166] ------------[ cut here ]------------
[ 8.674450][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: unshare/166
[ 8.674787][ T166] Modules linked in:
[ 8.674971][ T166] CPU: 2 UID: 0 PID: 166 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.675645][ T166] Tainted: [W]=WARN
[ 8.675802][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.676017][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.676301][ 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
[ 8.676833][ T166] RSP: 0018:ffa0000000867ab0 EFLAGS: 00010286
[ 8.677067][ T166] RAX: 00000000ffffffa6 RBX: ff11000001ef4940 RCX: 1ff400000010cf1c
[ 8.677315][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001ef49f0
[ 8.677562][ T166] RBP: ff11000009ef9000 R08: 1fe22000003de93f R09: ff11000008f72e80
[ 8.677817][ T166] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.678084][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009ef9000
[ 8.678334][ T166] FS: 00007f5fa6e2b740(0000) GS:ff11000098cd3000(0000) knlGS:0000000000000000
[ 8.678618][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.678848][ T166] CR2: 0000559978b42310 CR3: 000000000e862004 CR4: 0000000000771ef0
[ 8.679113][ T166] PKRU: 55555554
[ 8.679264][ T166] Call Trace:
[ 8.679413][ T166]
[ 8.679531][ T166] ? ip6_route_dev_notify+0x250/0x380
[ 8.679726][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.679922][ T166] ? notifier_call_chain+0xb0/0x320
[ 8.680122][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.680284][ T166] register_netdevice+0x137a/0x1980
[ 8.680469][ T166] ? unregister_netdevice_queue+0x470/0x470
[ 8.680694][ T166] register_netdev+0x23/0x40
[ 8.680877][ T166] loopback_net_init+0x7d/0x150
[ 8.681140][ T166] ops_init+0x187/0x560
[ 8.681351][ T166] setup_net+0x11b/0x3b0
[ 8.681553][ T166] ? unregister_pernet_device+0x80/0x80
[ 8.681775][ T166] ? lockdep_init_map_type+0x5d/0x250
[ 8.681958][ T166] ? mutex_init_lockdep+0xf6/0x120
[ 8.682158][ T166] copy_net_ns+0x2fd/0x450
[ 8.682342][ T166] create_new_namespaces+0x371/0xa10
[ 8.682537][ T166] unshare_nsproxy_namespaces+0xa5/0x150
[ 8.682732][ T166] ksys_unshare+0x47e/0x8c0
[ 8.682916][ T166] ? walk_process_tree+0x350/0x350
[ 8.683171][ T166] __x64_sys_unshare+0x34/0x50
[ 8.683354][ T166] ? do_syscall_64+0x82/0xfc0
[ 8.683535][ T166] do_syscall_64+0x117/0xfc0
[ 8.683723][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.683905][ T166] ? exc_page_fault+0xee/0x100
[ 8.684099][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.684316][ T166] RIP: 0033:0x7f5fa6f26bcb
[ 8.684505][ 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
[ 8.685031][ T166] RSP: 002b:00007ffd94f79ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 8.685296][ T166] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5fa6f26bcb
[ 8.685541][ T166] RDX: 0000000000000000 RSI: 00007ffd94f79830 RDI: 0000000040000000
[ 8.685798][ T166] RBP: 00007ffd94f79e50 R08: 00007ffd94f79a20 R09: 0000000000000000
[ 8.686046][ T166] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 8.686304][ T166] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000559978b45b68
[ 8.686556][ T166]
[ 8.686710][ T166] irq event stamp: 15391
[ 8.686857][ T166] hardirqs last enabled at (15401): [] __up_console_sem+0x5a/0x70
[ 8.687153][ T166] hardirqs last disabled at (15412): [] __up_console_sem+0x3f/0x70
[ 8.687437][ T166] softirqs last enabled at (15150): [] handle_softirqs+0x611/0x940
[ 8.687729][ T166] softirqs last disabled at (15093): [] __irq_exit_rcu+0x103/0x1c0
[ 8.688012][ T166] ---[ end trace 0000000000000000 ]---
[ 8.704763][ T166] ------------[ cut here ]------------
[ 8.704947][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/166
[ 8.705247][ T166] Modules linked in:
[ 8.705394][ T166] CPU: 2 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.705729][ T166] Tainted: [W]=WARN
[ 8.705870][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.706084][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.706295][ 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
[ 8.706787][ T166] RSP: 0018:ffa0000000867b58 EFLAGS: 00010286
[ 8.706990][ T166] RAX: 00000000ffffffa6 RBX: ff11000009f6e1c0 RCX: 1ff400000010cf31
[ 8.707235][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009f6e270
[ 8.707465][ T166] RBP: ff110000092c0000 R08: 1fe22000013edc4f R09: ff11000008f72e58
[ 8.707707][ T166] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.707939][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000092c0000
[ 8.708184][ T166] FS: 0000000012d7d400(0000) GS:ff11000098cd3000(0000) knlGS:0000000000000000
[ 8.708449][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.708654][ T166] CR2: 00007f5af8be9000 CR3: 000000000dbff005 CR4: 0000000000771ef0
[ 8.708893][ T166] PKRU: 55555554
[ 8.709033][ T166] Call Trace:
[ 8.709186][ T166]
[ 8.709298][ T166] ? ip6_route_dev_notify+0x3d/0x380
[ 8.709469][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.709642][ T166] ? notifier_call_chain+0xb0/0x320
[ 8.709824][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.709969][ T166] register_netdevice+0x137a/0x1980
[ 8.710154][ T166] ? unregister_netdevice_queue+0x470/0x470
[ 8.710354][ T166] ? alloc_netdev_mqs+0xec0/0x1410
[ 8.710529][ T166] tun_set_iff.constprop.0+0xc61/0x1850
[ 8.710710][ T166] ? tun_attach.isra.0+0x1630/0x1630
[ 8.710882][ T166] ? tun_get+0x106/0x240
[ 8.711026][ T166] __tun_chr_ioctl+0x4b0/0x2470
[ 8.711213][ T166] ? build_open_flags+0x620/0x620
[ 8.711388][ T166] ? tun_chr_read_iter+0x210/0x210
[ 8.711560][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 8.711739][ T166] ? __x64_sys_openat+0x10e/0x210
[ 8.711914][ T166] ? fput_close_sync+0xde/0x1b0
[ 8.712099][ T166] ? __ia32_sys_open+0x1b0/0x1b0
[ 8.712271][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.712449][ T166] do_syscall_64+0x117/0xfc0
[ 8.712622][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.712803][ T166] ? exc_page_fault+0xee/0x100
[ 8.712975][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.713184][ T166] RIP: 0033:0x47cc8d
[ 8.713332][ 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
[ 8.713822][ T166] RSP: 002b:00007ffc2e80f4a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.714069][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.714300][ T166] RDX: 00007ffc2e80f520 RSI: 00000000400454ca RDI: 0000000000000005
[ 8.714531][ T166] RBP: 00007ffc2e80f4f0 R08: 0000000000000000 R09: 0000000000000000
[ 8.714772][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc2e80f9f8
[ 8.715002][ T166] R13: 00007ffc2e80fa80 R14: 0000000000000002 R15: 0000000000543540
[ 8.715337][ T166]
[ 8.715477][ T166] irq event stamp: 29039
[ 8.715618][ T166] hardirqs last enabled at (29049): [] __up_console_sem+0x5a/0x70
[ 8.715893][ T166] hardirqs last disabled at (29058): [] __up_console_sem+0x3f/0x70
[ 8.716242][ T166] softirqs last enabled at (28458): [] __alloc_skb+0x4c5/0x5f0
[ 8.716503][ T166] softirqs last disabled at (28456): [] __alloc_skb+0x4c5/0x5f0
[ 8.716848][ T166] ---[ end trace 0000000000000000 ]---
[ 8.717392][ T166] ------------[ cut here ]------------
[ 8.717555][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/166
[ 8.717848][ T166] Modules linked in:
[ 8.718167][ T166] CPU: 2 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.718492][ T166] Tainted: [W]=WARN
[ 8.718630][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.718839][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.719059][ 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
[ 8.719536][ T166] RSP: 0018:ffa0000000867c58 EFLAGS: 00010286
[ 8.719823][ T166] RAX: 00000000ffffffa6 RBX: ff11000009f6e940 RCX: 1ff400000010cf51
[ 8.720066][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009f6e9f0
[ 8.720295][ T166] RBP: ff110000092c0000 R08: 1fe22000013edd3f R09: ff11000008f72e58
[ 8.720598][ T166] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[ 8.720839][ T166] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[ 8.721081][ T166] FS: 0000000012d7d400(0000) GS:ff11000098cd3000(0000) knlGS:0000000000000000
[ 8.721339][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.721538][ T166] CR2: 00007f5af8be9000 CR3: 000000000dbff005 CR4: 0000000000771ef0
[ 8.721855][ T166] PKRU: 55555554
[ 8.721995][ T166] Call Trace:
[ 8.722147][ T166]
[ 8.722257][ T166] ? rcu_is_watching+0x15/0xd0
[ 8.722427][ T166] rtnetlink_event+0xe0/0x1f0
[ 8.722672][ T166] notifier_call_chain+0xb0/0x320
[ 8.722853][ T166] netdev_update_features+0xa9/0xb0
[ 8.723026][ T166] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 8.723242][ T166] __tun_chr_ioctl+0xc7f/0x2470
[ 8.723487][ T166] ? tun_chr_read_iter+0x210/0x210
[ 8.723658][ T166] ? fd_install+0x19b/0x3d0
[ 8.723841][ T166] ? update_socket_protocol+0x10/0x10
[ 8.724011][ T166] ? alloc_file_clone+0xe0/0xe0
[ 8.724266][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.724438][ T166] do_syscall_64+0x117/0xfc0
[ 8.724608][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.724789][ T166] ? exc_page_fault+0xee/0x100
[ 8.725034][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.725245][ T166] RIP: 0033:0x47cc8d
[ 8.725388][ 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
[ 8.725957][ T166] RSP: 002b:00007ffc2e80f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.726203][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.726508][ T166] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 8.726747][ T166] RBP: 00007ffc2e80f530 R08: 0000000000000000 R09: 0000000000000000
[ 8.727066][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc2e80f9f8
[ 8.727298][ T166] R13: 00007ffc2e80fa80 R14: 0000000000000002 R15: 0000000000543540
[ 8.727537][ T166]
[ 8.727676][ T166] irq event stamp: 30081
[ 8.727897][ T166] hardirqs last enabled at (30091): [] __up_console_sem+0x5a/0x70
[ 8.728170][ T166] hardirqs last disabled at (30102): [] __up_console_sem+0x3f/0x70
[ 8.728505][ T166] softirqs last enabled at (29640): [] handle_softirqs+0x611/0x940
[ 8.728769][ T166] softirqs last disabled at (29425): [] __irq_exit_rcu+0x103/0x1c0
[ 8.729030][ T166] ---[ end trace 0000000000000000 ]---
[ 8.729650][ T166] ------------[ cut here ]------------
[ 8.729833][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/166
[ 8.730233][ T166] Modules linked in:
[ 8.730382][ T166] CPU: 2 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.730811][ T166] Tainted: [W]=WARN
[ 8.730956][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.731180][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.731399][ 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
[ 8.731997][ T166] RSP: 0018:ffa0000000867850 EFLAGS: 00010286
[ 8.732307][ T166] RAX: 00000000ffffffa6 RBX: ff11000009f6e7c0 RCX: 1ff400000010ced0
[ 8.732553][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009f6e870
[ 8.732793][ T166] RBP: ff110000092c0000 R08: 1fe22000013edd0f R09: ff11000008f72e58
[ 8.733126][ T166] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[ 8.733363][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005828900
[ 8.733599][ T166] FS: 0000000012d7d400(0000) GS:ff11000098cd3000(0000) knlGS:0000000000000000
[ 8.733958][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.734178][ T166] CR2: 00007f5af8be9000 CR3: 000000000dbff005 CR4: 0000000000771ef0
[ 8.734521][ T166] PKRU: 55555554
[ 8.734667][ T166] Call Trace:
[ 8.734816][ T166]
[ 8.734929][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.735120][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.735264][ T166] ? mark_held_locks+0x40/0x70
[ 8.735519][ T166] __dev_notify_flags+0x1b8/0x280
[ 8.735700][ T166] ? netif_change_name+0x8c0/0x8c0
[ 8.735875][ T166] ? __dev_change_flags+0x4a4/0x660
[ 8.736065][ T166] ? netif_set_allmulti+0x250/0x250
[ 8.736268][ T166] ? lock_acquire.part.0+0xbc/0x260
[ 8.736464][ T166] netif_change_flags+0xfe/0x190
[ 8.736638][ T166] ? cap_capable+0x1d6/0x3e0
[ 8.736835][ T166] dev_change_flags+0xa5/0x170
[ 8.737010][ T166] devinet_ioctl+0x10f0/0x1840
[ 8.737197][ T166] ? inet_ifa_byprefix+0x220/0x220
[ 8.737374][ T166] ? _copy_from_user+0x42/0x90
[ 8.737560][ T166] inet_ioctl+0x34b/0x3a0
[ 8.737794][ T166] ? inet_dgram_connect+0x3e0/0x3e0
[ 8.737966][ T166] ? __lock_acquire+0x508/0xc10
[ 8.738159][ T166] ? __might_fault+0x97/0x140
[ 8.738339][ T166] ? __might_fault+0x97/0x140
[ 8.738596][ T166] sock_do_ioctl+0x10e/0x270
[ 8.738776][ T166] ? __sock_recv_cmsgs+0x550/0x550
[ 8.738961][ T166] ? ioctl_file_clone+0xd0/0xd0
[ 8.739150][ T166] sock_ioctl+0x3cb/0x5f0
[ 8.739376][ T166] ? br_ioctl_call+0x80/0x80
[ 8.739550][ T166] ? fd_install+0x19b/0x3d0
[ 8.739732][ T166] ? update_socket_protocol+0x10/0x10
[ 8.739904][ T166] ? alloc_file_clone+0xe0/0xe0
[ 8.740181][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.740358][ T166] do_syscall_64+0x117/0xfc0
[ 8.740534][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.740713][ T166] ? exc_page_fault+0xee/0x100
[ 8.740972][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.741187][ T166] RIP: 0033:0x47cc8d
[ 8.741333][ 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
[ 8.741941][ T166] RSP: 002b:00007ffc2e80f4c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.742191][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.742509][ T166] RDX: 00007ffc2e80f530 RSI: 0000000000008914 RDI: 0000000000000006
[ 8.742753][ T166] RBP: 00007ffc2e80f510 R08: 0000000000000000 R09: 0000000000000000
[ 8.743004][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc2e80f9f8
[ 8.743333][ T166] R13: 00007ffc2e80fa80 R14: 0000000000000002 R15: 0000000000543540
[ 8.743574][ T166]
[ 8.743750][ T166] irq event stamp: 31107
[ 8.743977][ T166] hardirqs last enabled at (31117): [] __up_console_sem+0x5a/0x70
[ 8.744265][ T166] hardirqs last disabled at (31128): [] __up_console_sem+0x3f/0x70
[ 8.744529][ T166] softirqs last enabled at (30420): [] __alloc_skb+0x4c5/0x5f0
[ 8.744883][ T166] softirqs last disabled at (30418): [] __alloc_skb+0x4c5/0x5f0
[ 8.745166][ T166] ---[ end trace 0000000000000000 ]---
[ 98.524508][ T166] ------------[ cut here ]------------
[ 98.524741][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/166
[ 98.525079][ T166] Modules linked in:
[ 98.525234][ T166] CPU: 2 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.525610][ T166] Tainted: [W]=WARN
[ 98.525762][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.525984][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.526237][ 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
[ 98.526752][ T166] RSP: 0018:ffa00000008676f0 EFLAGS: 00010286
[ 98.526966][ T166] RAX: 00000000ffffffa6 RBX: ff1100000952c7c0 RCX: 1ff400000010cea4
[ 98.527254][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000952c870
[ 98.527506][ T166] RBP: ff110000092c0000 R08: 1fe22000012a590f R09: ff11000008f72e58
[ 98.527750][ T166] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[ 98.528029][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000867790
[ 98.528351][ T166] FS: 0000000000000000(0000) GS:ff11000098cd3000(0000) knlGS:0000000000000000
[ 98.528758][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.529090][ T166] CR2: 00007f62226aa6f0 CR3: 000000001b539001 CR4: 0000000000771ef0
[ 98.529397][ T166] PKRU: 55555554
[ 98.529636][ T166] Call Trace:
[ 98.529876][ T166]
[ 98.530064][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 98.530355][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 98.530593][ T166] netif_close_many+0x2ac/0x640
[ 98.530827][ T166] ? find_held_lock+0x2b/0x80
[ 98.531125][ T166] ? __dev_close_many+0x530/0x530
[ 98.531400][ T166] ? netif_close_many_and_unlock+0x22/0x2c0
[ 98.531639][ T166] unregister_netdevice_many_notify+0x671/0x19a0
[ 98.531854][ T166] ? select_fallback_rq+0x510/0x510
[ 98.532062][ T166] ? unregister_netdevice_queued+0x80/0x80
[ 98.532277][ T166] ? find_held_lock+0x2b/0x80
[ 98.532456][ T166] ? find_held_lock+0x2b/0x80
[ 98.532637][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.532823][ T166] ? __queue_work+0x315/0xc00
[ 98.533038][ T166] unregister_netdevice_queue+0x290/0x470
[ 98.533237][ T166] ? unregister_netdevice_many+0x20/0x20
[ 98.533451][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.533639][ T166] ? queue_delayed_work_on+0x95/0x100
[ 98.533820][ T166] __tun_detach+0xf36/0x1320
[ 98.534011][ T166] tun_chr_close+0xac/0x1b0
[ 98.534219][ T166] __fput+0x363/0xac0
[ 98.534372][ T166] task_work_run+0x12b/0x240
[ 98.534569][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.534751][ T166] ? task_work_cancel+0x30/0x30
[ 98.534932][ T166] ? kmem_cache_free+0xf8/0x560
[ 98.535137][ T166] do_exit+0x614/0xdc0
[ 98.535292][ T166] ? exit_notify+0x890/0x890
[ 98.535481][ T166] ? find_held_lock+0x2b/0x80
[ 98.535660][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.535846][ T166] ? __rwlock_init+0x150/0x150
[ 98.536034][ T166] do_group_exit+0xb8/0x370
[ 98.536245][ T166] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.536467][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.536649][ T166] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.536830][ T166] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.537021][ T166] get_signal+0x172e/0x1820
[ 98.537220][ T166] ? ptrace_signal+0x600/0x600
[ 98.537401][ T166] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.537583][ T166] ? __sys_recvmsg+0x142/0x1f0
[ 98.537777][ T166] ? get_sigframe_size+0x20/0x20
[ 98.537963][ T166] ? __sys_recvmsg_sock+0x20/0x20
[ 98.538165][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.538348][ T166] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.538561][ T166] exit_to_user_mode_loop+0x86/0x520
[ 98.538739][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.538921][ T166] do_syscall_64+0x437/0xfc0
[ 98.539122][ T166] ? irq_exit_rcu+0x1a/0x30
[ 98.539301][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.539509][ T166] RIP: 0033:0x4c2d9e
[ 98.539687][ T166] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.539926][ T166] RSP: 002b:00007ffc2e80ee50 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 98.540210][ T166] RAX: 0000000000000050 RBX: 00007ffc2e80eee0 RCX: 00000000004c2d9e
[ 98.540455][ T166] RDX: 0000000000000000 RSI: 00007ffc2e80eef0 RDI: 0000000000000007
[ 98.540699][ T166] RBP: 00007ffc2e80ee60 R08: 0000000000000000 R09: 0000000000000000
[ 98.540940][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc2e80eed4
[ 98.541200][ T166] R13: 00007ffc2e80fa80 R14: 00007ffc2e80f020 R15: 0000000000543540
[ 98.541450][ T166]
[ 98.541597][ T166] irq event stamp: 135937133
[ 98.541776][ T166] hardirqs last enabled at (135937143): [] __up_console_sem+0x5a/0x70
[ 98.542107][ T166] hardirqs last disabled at (135937154): [] __up_console_sem+0x3f/0x70
[ 98.542383][ T166] softirqs last enabled at (135936596): [] handle_softirqs+0x611/0x940
[ 98.542657][ T166] softirqs last disabled at (135936547): [] __irq_exit_rcu+0x103/0x1c0
[ 98.543017][ T166] ---[ end trace 0000000000000000 ]---
[ 98.553705][ T166] ------------[ cut here ]------------
[ 98.553914][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/166
[ 98.554235][ T166] Modules linked in:
[ 98.554383][ T166] CPU: 2 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.554725][ T166] Tainted: [W]=WARN
[ 98.554867][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.555092][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.555308][ 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
[ 98.555812][ T166] RSP: 0018:ffa0000000867820 EFLAGS: 00010286
[ 98.556027][ T166] RAX: 00000000ffffffa6 RBX: ff1100000952d3c0 RCX: 1ff400000010ceca
[ 98.556558][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000952d470
[ 98.556802][ T166] RBP: ff110000092c0000 R08: 1fe22000012a5a8f R09: ff11000008f72e58
[ 98.557373][ T166] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.557612][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.557849][ T166] FS: 0000000000000000(0000) GS:ff11000098cd3000(0000) knlGS:0000000000000000
[ 98.558153][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.558363][ T166] CR2: 00007f62226aa6f0 CR3: 000000001b539001 CR4: 0000000000771ef0
[ 98.558599][ T166] PKRU: 55555554
[ 98.558740][ T166] Call Trace:
[ 98.558881][ T166]
[ 98.559001][ T166] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.559227][ T166] ? unregister_netdevice_queued+0x80/0x80
[ 98.559435][ T166] ? find_held_lock+0x2b/0x80
[ 98.559609][ T166] ? find_held_lock+0x2b/0x80
[ 98.559782][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.559958][ T166] ? __queue_work+0x315/0xc00
[ 98.560154][ T166] unregister_netdevice_queue+0x290/0x470
[ 98.560330][ T166] ? unregister_netdevice_many+0x20/0x20
[ 98.560503][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.560677][ T166] ? queue_delayed_work_on+0x95/0x100
[ 98.560854][ T166] __tun_detach+0xf36/0x1320
[ 98.561041][ T166] tun_chr_close+0xac/0x1b0
[ 98.561231][ T166] __fput+0x363/0xac0
[ 98.561380][ T166] task_work_run+0x12b/0x240
[ 98.561555][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.561727][ T166] ? task_work_cancel+0x30/0x30
[ 98.561902][ T166] ? kmem_cache_free+0xf8/0x560
[ 98.562097][ T166] do_exit+0x614/0xdc0
[ 98.562245][ T166] ? exit_notify+0x890/0x890
[ 98.562417][ T166] ? find_held_lock+0x2b/0x80
[ 98.562592][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.562769][ T166] ? __rwlock_init+0x150/0x150
[ 98.562947][ T166] do_group_exit+0xb8/0x370
[ 98.563142][ T166] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.563349][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.563523][ T166] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.563698][ T166] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.563874][ T166] get_signal+0x172e/0x1820
[ 98.564078][ T166] ? ptrace_signal+0x600/0x600
[ 98.564257][ T166] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.564434][ T166] ? __sys_recvmsg+0x142/0x1f0
[ 98.564609][ T166] ? get_sigframe_size+0x20/0x20
[ 98.564791][ T166] ? __sys_recvmsg_sock+0x20/0x20
[ 98.564970][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.565167][ T166] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.565375][ T166] exit_to_user_mode_loop+0x86/0x520
[ 98.565554][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.565732][ T166] do_syscall_64+0x437/0xfc0
[ 98.565908][ T166] ? irq_exit_rcu+0x1a/0x30
[ 98.566133][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.566345][ T166] RIP: 0033:0x4c2d9e
[ 98.566494][ T166] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.566702][ T166] RSP: 002b:00007ffc2e80ee50 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 98.566939][ T166] RAX: 0000000000000050 RBX: 00007ffc2e80eee0 RCX: 00000000004c2d9e
[ 98.567192][ T166] RDX: 0000000000000000 RSI: 00007ffc2e80eef0 RDI: 0000000000000007
[ 98.567428][ T166] RBP: 00007ffc2e80ee60 R08: 0000000000000000 R09: 0000000000000000
[ 98.567661][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc2e80eed4
[ 98.567896][ T166] R13: 00007ffc2e80fa80 R14: 00007ffc2e80f020 R15: 0000000000543540
[ 98.568161][ T166]
[ 98.568311][ T166] irq event stamp: 135946123
[ 98.568490][ T166] hardirqs last enabled at (135946133): [] __up_console_sem+0x5a/0x70
[ 98.568762][ T166] hardirqs last disabled at (135946142): [] __up_console_sem+0x3f/0x70
[ 98.569032][ T166] softirqs last enabled at (135945554): [] handle_softirqs+0x611/0x940
[ 98.569316][ T166] softirqs last disabled at (135945547): [] __irq_exit_rcu+0x103/0x1c0
[ 98.569583][ T166] ---[ end trace 0000000000000000 ]---
[ 98.588773][ T12] ------------[ cut here ]------------
[ 98.589026][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: kworker/u16:0/12
[ 98.589288][ T12] Modules linked in:
[ 98.589439][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.589711][ T12] Tainted: [W]=WARN
[ 98.589804][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.589955][ T12] Workqueue: netns cleanup_net
[ 98.590174][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.590366][ 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
[ 98.590793][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 98.590966][ T12] RAX: 00000000ffffffa6 RBX: ff1100000952dcc0 RCX: 1ff4000000018ed5
[ 98.591159][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000952dd70
[ 98.591339][ T12] RBP: ff11000009ef9000 R08: 1fe22000012a5baf R09: ff11000001afd1d0
[ 98.591523][ T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.591732][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.591930][ T12] FS: 0000000000000000(0000) GS:ff11000098bd3000(0000) knlGS:0000000000000000
[ 98.592150][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.592299][ T12] CR2: 00007fa0f2b00680 CR3: 000000001b539003 CR4: 0000000000771ef0
[ 98.592478][ T12] PKRU: 55555554
[ 98.592582][ T12] Call Trace:
[ 98.592672][ T12]
[ 98.592736][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.592890][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 98.593043][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 98.593200][ T12] default_device_exit_batch+0x38b/0x600
[ 98.593343][ T12] ? generic_xdp_install+0x400/0x400
[ 98.593466][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 98.593612][ T12] ? unregister_netdev+0x60/0x60
[ 98.593733][ T12] ? rtnl_is_locked+0x15/0x20
[ 98.593853][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 98.593978][ T12] ops_undo_list+0x2ce/0x8f0
[ 98.594108][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 98.594248][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.594397][ T12] cleanup_net+0x431/0x890
[ 98.594517][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 98.594638][ T12] ? process_one_work+0xdb7/0x1410
[ 98.594758][ T12] ? lock_acquire+0x134/0x160
[ 98.594876][ T12] ? rcu_is_watching+0x15/0xd0
[ 98.595007][ T12] process_one_work+0xdf8/0x1410
[ 98.595142][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 98.595261][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 98.595386][ T12] worker_thread+0x4f1/0xd60
[ 98.595511][ T12] ? rescuer_thread+0x1320/0x1320
[ 98.595631][ T12] kthread+0x367/0x460
[ 98.595725][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.595876][ T12] ? kthread_affine_node+0x330/0x330
[ 98.596024][ T12] ret_from_fork+0x474/0x6b0
[ 98.596152][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 98.596301][ T12] ? __switch_to+0x5a3/0xe00
[ 98.596432][ T12] ? kthread_affine_node+0x330/0x330
[ 98.596551][ T12] ret_from_fork_asm+0x11/0x20
[ 98.596677][ T12]
[ 98.596767][ T12] irq event stamp: 2625
[ 98.596857][ T12] hardirqs last enabled at (2633): [] __up_console_sem+0x5a/0x70
[ 98.597074][ T12] hardirqs last disabled at (2642): [] __up_console_sem+0x3f/0x70
[ 98.597280][ T12] softirqs last enabled at (2190): [] handle_softirqs+0x611/0x940
[ 98.597486][ T12] softirqs last disabled at (2185): [] __irq_exit_rcu+0x103/0x1c0
[ 98.597714][ T12] ---[ end trace 0000000000000000 ]---