[ 8.384298][ T166] ------------[ cut here ]------------
[ 8.384546][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: unshare/166
[ 8.384808][ T166] Modules linked in:
[ 8.384935][ T166] CPU: 3 UID: 0 PID: 166 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.385199][ T166] Tainted: [W]=WARN
[ 8.385298][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.385465][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.385632][ 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
[ 8.386095][ T166] RSP: 0018:ffa0000000857ab0 EFLAGS: 00010286
[ 8.386259][ T166] RAX: 00000000ffffffa6 RBX: ff11000008c72c40 RCX: 1ff400000010af1c
[ 8.386453][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008c72cf0
[ 8.386692][ T166] RBP: ff11000009b81000 R08: 1fe220000118e59f R09: ff1100000d7d0b80
[ 8.386885][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.387088][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b81000
[ 8.387280][ T166] FS: 00007f4a1b87c740(0000) GS:ff110000a1153000(0000) knlGS:0000000000000000
[ 8.387509][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.387670][ T166] CR2: 000055eba5e30310 CR3: 000000000c9b7001 CR4: 0000000000771ef0
[ 8.387863][ T166] PKRU: 55555554
[ 8.387960][ T166] Call Trace:
[ 8.388056][ T166]
[ 8.388128][ T166] ? ip6_route_dev_notify+0x250/0x380
[ 8.388257][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.388384][ T166] ? notifier_call_chain+0xb0/0x320
[ 8.388519][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.388616][ T166] register_netdevice+0x137a/0x1980
[ 8.388745][ T166] ? unregister_netdevice_queue+0x470/0x470
[ 8.388905][ T166] register_netdev+0x23/0x40
[ 8.389032][ T166] loopback_net_init+0x7d/0x150
[ 8.389165][ T166] ops_init+0x187/0x560
[ 8.389264][ T166] setup_net+0x11b/0x3b0
[ 8.389360][ T166] ? unregister_pernet_device+0x80/0x80
[ 8.389490][ T166] ? lockdep_init_map_type+0x5d/0x250
[ 8.389618][ T166] ? mutex_init_lockdep+0xf6/0x120
[ 8.389748][ T166] copy_net_ns+0x2fd/0x450
[ 8.389876][ T166] create_new_namespaces+0x371/0xa10
[ 8.390004][ T166] unshare_nsproxy_namespaces+0xa5/0x150
[ 8.390136][ T166] ksys_unshare+0x47e/0x8c0
[ 8.390264][ T166] ? walk_process_tree+0x350/0x350
[ 8.390394][ T166] __x64_sys_unshare+0x34/0x50
[ 8.390525][ T166] ? do_syscall_64+0x82/0xfc0
[ 8.390653][ T166] do_syscall_64+0x117/0xfc0
[ 8.390779][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.390907][ T166] ? exc_page_fault+0xee/0x100
[ 8.391034][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.391247][ T166] RIP: 0033:0x7f4a1b977bcb
[ 8.391400][ 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
[ 8.391852][ T166] RSP: 002b:00007ffc46766428 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 8.392043][ T166] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4a1b977bcb
[ 8.392234][ T166] RDX: 0000000000000000 RSI: 00007ffc46766190 RDI: 0000000040000000
[ 8.392424][ T166] RBP: 00007ffc467667b0 R08: 00007ffc46766380 R09: 0000000000000000
[ 8.392616][ T166] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 8.392805][ T166] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055eba5e33b68
[ 8.393000][ T166]
[ 8.393099][ T166] irq event stamp: 23027
[ 8.393195][ T166] hardirqs last enabled at (23035): [] __up_console_sem+0x5a/0x70
[ 8.393418][ T166] hardirqs last disabled at (23042): [] __up_console_sem+0x3f/0x70
[ 8.393642][ T166] softirqs last enabled at (22950): [] handle_softirqs+0x611/0x940
[ 8.393862][ T166] softirqs last disabled at (22917): [] __irq_exit_rcu+0x103/0x1c0
[ 8.394088][ T166] ---[ end trace 0000000000000000 ]---
[ 8.421834][ T166] ------------[ cut here ]------------
[ 8.421974][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/166
[ 8.422216][ T166] Modules linked in:
[ 8.422308][ T166] CPU: 3 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.422576][ T166] Tainted: [W]=WARN
[ 8.422664][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.422808][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.422960][ 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
[ 8.423570][ T166] RSP: 0018:ffa0000000857b58 EFLAGS: 00010286
[ 8.423729][ T166] RAX: 00000000ffffffa6 RBX: ff11000004d97e40 RCX: 1ff400000010af31
[ 8.423905][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d97ef0
[ 8.424083][ T166] RBP: ff1100000af7c000 R08: 1fe22000009b2fdf R09: ff1100000d7d0b58
[ 8.424267][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.424444][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000af7c000
[ 8.424617][ T166] FS: 0000000028f8c400(0000) GS:ff110000a1153000(0000) knlGS:0000000000000000
[ 8.424822][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.424973][ T166] CR2: 00007ff0d0ef8000 CR3: 000000000a14d002 CR4: 0000000000771ef0
[ 8.425153][ T166] PKRU: 55555554
[ 8.425241][ T166] Call Trace:
[ 8.425327][ T166]
[ 8.425387][ T166] ? ip6_route_dev_notify+0x3d/0x380
[ 8.425509][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.425627][ T166] ? notifier_call_chain+0xb0/0x320
[ 8.425743][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.425830][ T166] register_netdevice+0x137a/0x1980
[ 8.425947][ T166] ? unregister_netdevice_queue+0x470/0x470
[ 8.426095][ T166] ? alloc_netdev_mqs+0xec0/0x1410
[ 8.426212][ T166] tun_set_iff.constprop.0+0xc61/0x1850
[ 8.426331][ T166] ? tun_attach.isra.0+0x1630/0x1630
[ 8.426450][ T166] ? tun_get+0x106/0x240
[ 8.426539][ T166] __tun_chr_ioctl+0x4b0/0x2470
[ 8.426654][ T166] ? build_open_flags+0x620/0x620
[ 8.426780][ T166] ? tun_chr_read_iter+0x210/0x210
[ 8.426895][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 8.427011][ T166] ? __x64_sys_openat+0x10e/0x210
[ 8.427131][ T166] ? fput_close_sync+0xde/0x1b0
[ 8.427255][ T166] ? __ia32_sys_open+0x1b0/0x1b0
[ 8.427378][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.427500][ T166] do_syscall_64+0x117/0xfc0
[ 8.427616][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.427731][ T166] ? exc_page_fault+0xee/0x100
[ 8.427846][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.427989][ T166] RIP: 0033:0x47cc8d
[ 8.428086][ 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
[ 8.428498][ T166] RSP: 002b:00007ffe67214410 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.428672][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.428846][ T166] RDX: 00007ffe67214490 RSI: 00000000400454ca RDI: 0000000000000005
[ 8.429018][ T166] RBP: 00007ffe67214460 R08: 0000000000000000 R09: 0000000000000000
[ 8.429196][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe67214968
[ 8.429368][ T166] R13: 00007ffe672149f0 R14: 0000000000000002 R15: 0000000000543540
[ 8.429548][ T166]
[ 8.429636][ T166] irq event stamp: 48881
[ 8.429724][ T166] hardirqs last enabled at (48889): [] __up_console_sem+0x5a/0x70
[ 8.429923][ T166] hardirqs last disabled at (48896): [] __up_console_sem+0x3f/0x70
[ 8.430125][ T166] softirqs last enabled at (48508): [] handle_softirqs+0x611/0x940
[ 8.430327][ T166] softirqs last disabled at (48139): [] __irq_exit_rcu+0x103/0x1c0
[ 8.430528][ T166] ---[ end trace 0000000000000000 ]---
[ 8.430913][ T166] ------------[ cut here ]------------
[ 8.431026][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/166
[ 8.431259][ T166] Modules linked in:
[ 8.431403][ T166] CPU: 3 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.431665][ T166] Tainted: [W]=WARN
[ 8.431751][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.431893][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.432042][ 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
[ 8.432591][ T166] RSP: 0018:ffa0000000857c58 EFLAGS: 00010286
[ 8.432736][ T166] RAX: 00000000ffffffa6 RBX: ff11000004d97240 RCX: 1ff400000010af51
[ 8.432906][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d972f0
[ 8.433079][ T166] RBP: ff1100000af7c000 R08: 1fe22000009b2e5f R09: ff1100000d7d0b58
[ 8.433248][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[ 8.433416][ T166] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[ 8.433589][ T166] FS: 0000000028f8c400(0000) GS:ff110000a1153000(0000) knlGS:0000000000000000
[ 8.433789][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.433932][ T166] CR2: 00007ff0d0ef8000 CR3: 000000000a14d002 CR4: 0000000000771ef0
[ 8.434104][ T166] PKRU: 55555554
[ 8.434188][ T166] Call Trace:
[ 8.434273][ T166]
[ 8.434331][ T166] ? rcu_is_watching+0x15/0xd0
[ 8.434448][ T166] rtnetlink_event+0xe0/0x1f0
[ 8.434563][ T166] notifier_call_chain+0xb0/0x320
[ 8.434680][ T166] netdev_update_features+0xa9/0xb0
[ 8.434798][ T166] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 8.434945][ T166] __tun_chr_ioctl+0xc7f/0x2470
[ 8.435060][ T166] ? tun_chr_read_iter+0x210/0x210
[ 8.435183][ T166] ? fd_install+0x19b/0x3d0
[ 8.435300][ T166] ? update_socket_protocol+0x10/0x10
[ 8.435415][ T166] ? alloc_file_clone+0xe0/0xe0
[ 8.435535][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.435649][ T166] do_syscall_64+0x117/0xfc0
[ 8.435762][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.435876][ T166] ? exc_page_fault+0xee/0x100
[ 8.435990][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.436133][ T166] RIP: 0033:0x47cc8d
[ 8.436223][ 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
[ 8.436631][ T166] RSP: 002b:00007ffe67214450 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.436802][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.436971][ T166] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 8.437147][ T166] RBP: 00007ffe672144a0 R08: 0000000000000000 R09: 0000000000000000
[ 8.437315][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe67214968
[ 8.437488][ T166] R13: 00007ffe672149f0 R14: 0000000000000002 R15: 0000000000543540
[ 8.437662][ T166]
[ 8.437749][ T166] irq event stamp: 49825
[ 8.437835][ T166] hardirqs last enabled at (49833): [] __up_console_sem+0x5a/0x70
[ 8.438031][ T166] hardirqs last disabled at (49840): [] __up_console_sem+0x3f/0x70
[ 8.438231][ T166] softirqs last enabled at (49512): [] handle_softirqs+0x611/0x940
[ 8.438431][ T166] softirqs last disabled at (49251): [] __irq_exit_rcu+0x103/0x1c0
[ 8.438640][ T166] ---[ end trace 0000000000000000 ]---
[ 8.439074][ T166] ------------[ cut here ]------------
[ 8.439194][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/166
[ 8.439430][ T166] Modules linked in:
[ 8.439528][ T166] CPU: 3 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.439802][ T166] Tainted: [W]=WARN
[ 8.439894][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.440045][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.440294][ 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
[ 8.440815][ T166] RSP: 0018:ffa0000000857850 EFLAGS: 00010286
[ 8.440967][ T166] RAX: 00000000ffffffa6 RBX: ff11000004d967c0 RCX: 1ff400000010aed0
[ 8.441152][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d96870
[ 8.441413][ T166] RBP: ff1100000af7c000 R08: 1fe22000009b2d0f R09: ff1100000d7d0b58
[ 8.441597][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[ 8.441777][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000057a0900
[ 8.442038][ T166] FS: 0000000028f8c400(0000) GS:ff110000a1153000(0000) knlGS:0000000000000000
[ 8.442258][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.442412][ T166] CR2: 00007ff0d0ef8000 CR3: 000000000a14d002 CR4: 0000000000771ef0
[ 8.442675][ T166] PKRU: 55555554
[ 8.442765][ T166] Call Trace:
[ 8.442855][ T166]
[ 8.442918][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.443122][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.443214][ T166] ? mark_held_locks+0x40/0x70
[ 8.443336][ T166] __dev_notify_flags+0x1b8/0x280
[ 8.443463][ T166] ? netif_change_name+0x8c0/0x8c0
[ 8.443660][ T166] ? __dev_change_flags+0x4a4/0x660
[ 8.443782][ T166] ? netif_set_allmulti+0x250/0x250
[ 8.443903][ T166] ? lock_acquire.part.0+0xbc/0x260
[ 8.444027][ T166] netif_change_flags+0xfe/0x190
[ 8.444230][ T166] ? cap_capable+0x1d6/0x3e0
[ 8.444353][ T166] dev_change_flags+0xa5/0x170
[ 8.444478][ T166] devinet_ioctl+0x10f0/0x1840
[ 8.444603][ T166] ? inet_ifa_byprefix+0x220/0x220
[ 8.444801][ T166] ? _copy_from_user+0x42/0x90
[ 8.444926][ T166] inet_ioctl+0x34b/0x3a0
[ 8.445017][ T166] ? inet_dgram_connect+0x3e0/0x3e0
[ 8.445143][ T166] ? __lock_acquire+0x508/0xc10
[ 8.445269][ T166] ? __might_fault+0x97/0x140
[ 8.445473][ T166] ? __might_fault+0x97/0x140
[ 8.445595][ T166] sock_do_ioctl+0x10e/0x270
[ 8.445718][ T166] ? __sock_recv_cmsgs+0x550/0x550
[ 8.445841][ T166] ? ioctl_file_clone+0xd0/0xd0
[ 8.446042][ T166] sock_ioctl+0x3cb/0x5f0
[ 8.446137][ T166] ? br_ioctl_call+0x80/0x80
[ 8.446259][ T166] ? fd_install+0x19b/0x3d0
[ 8.446382][ T166] ? update_socket_protocol+0x10/0x10
[ 8.446585][ T166] ? alloc_file_clone+0xe0/0xe0
[ 8.446708][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.446830][ T166] do_syscall_64+0x117/0xfc0
[ 8.446951][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.447155][ T166] ? exc_page_fault+0xee/0x100
[ 8.447276][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.447426][ T166] RIP: 0033:0x47cc8d
[ 8.447526][ 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
[ 8.448042][ T166] RSP: 002b:00007ffe67214430 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.448308][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.448494][ T166] RDX: 00007ffe672144a0 RSI: 0000000000008914 RDI: 0000000000000006
[ 8.448675][ T166] RBP: 00007ffe67214480 R08: 0000000000000000 R09: 0000000000000000
[ 8.448935][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe67214968
[ 8.449124][ T166] R13: 00007ffe672149f0 R14: 0000000000000002 R15: 0000000000543540
[ 8.449389][ T166]
[ 8.449484][ T166] irq event stamp: 50709
[ 8.449575][ T166] hardirqs last enabled at (50717): [] __up_console_sem+0x5a/0x70
[ 8.449782][ T166] hardirqs last disabled at (50724): [] __up_console_sem+0x3f/0x70
[ 8.450074][ T166] softirqs last enabled at (50150): [] __alloc_skb+0x4c5/0x5f0
[ 8.450282][ T166] softirqs last disabled at (50148): [] __alloc_skb+0x4c5/0x5f0
[ 8.450577][ T166] ---[ end trace 0000000000000000 ]---
[ 98.241195][ T166] ------------[ cut here ]------------
[ 98.241385][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/166
[ 98.241659][ T166] Modules linked in:
[ 98.241775][ T166] CPU: 3 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.242145][ T166] Tainted: [W]=WARN
[ 98.242249][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.242414][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.242587][ 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
[ 98.243123][ T166] RSP: 0018:ffa00000008576f0 EFLAGS: 00010286
[ 98.243293][ T166] RAX: 00000000ffffffa6 RBX: ff11000004c2c7c0 RCX: 1ff400000010aea4
[ 98.243489][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004c2c870
[ 98.243684][ T166] RBP: ff1100000af7c000 R08: 1fe220000098590f R09: ff1100000d7d0b58
[ 98.243885][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[ 98.244137][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000857790
[ 98.244334][ T166] FS: 0000000000000000(0000) GS:ff110000a1153000(0000) knlGS:0000000000000000
[ 98.244564][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.244730][ T166] CR2: 00005586fc637c70 CR3: 0000000034b39005 CR4: 0000000000771ef0
[ 98.244926][ T166] PKRU: 55555554
[ 98.245024][ T166] Call Trace:
[ 98.245174][ T166]
[ 98.245246][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 98.245378][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 98.245475][ T166] netif_close_many+0x2ac/0x640
[ 98.245604][ T166] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 98.245737][ T166] ? lock_acquire.part.0+0xbc/0x260
[ 98.245866][ T166] ? find_held_lock+0x2b/0x80
[ 98.245993][ T166] ? __dev_close_many+0x530/0x530
[ 98.246177][ T166] ? netif_close_many_and_unlock+0x22/0x2c0
[ 98.246337][ T166] unregister_netdevice_many_notify+0x671/0x19a0
[ 98.246496][ T166] ? select_fallback_rq+0x510/0x510
[ 98.246626][ T166] ? unregister_netdevice_queued+0x80/0x80
[ 98.246787][ T166] ? find_held_lock+0x2b/0x80
[ 98.246915][ T166] ? find_held_lock+0x2b/0x80
[ 98.247043][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.247223][ T166] ? __queue_work+0x315/0xc00
[ 98.247351][ T166] unregister_netdevice_queue+0x290/0x470
[ 98.247477][ T166] ? mark_held_locks+0x40/0x70
[ 98.247605][ T166] ? unregister_netdevice_many+0x20/0x20
[ 98.247738][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.247867][ T166] ? queue_delayed_work_on+0x95/0x100
[ 98.247994][ T166] __tun_detach+0xf36/0x1320
[ 98.248180][ T166] tun_chr_close+0xac/0x1b0
[ 98.248308][ T166] __fput+0x363/0xac0
[ 98.248407][ T166] task_work_run+0x12b/0x240
[ 98.248532][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.248657][ T166] ? task_work_cancel+0x30/0x30
[ 98.248790][ T166] ? kmem_cache_free+0xf8/0x560
[ 98.248918][ T166] do_exit+0x614/0xdc0
[ 98.249014][ T166] ? exit_notify+0x890/0x890
[ 98.249196][ T166] ? find_held_lock+0x2b/0x80
[ 98.249324][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.249448][ T166] ? __rwlock_init+0x150/0x150
[ 98.249576][ T166] do_group_exit+0xb8/0x370
[ 98.249701][ T166] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.249859][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.249985][ T166] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.250167][ T166] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.250293][ T166] get_signal+0x172e/0x1820
[ 98.250422][ T166] ? __sys_sendto+0x2c9/0x400
[ 98.250552][ T166] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.250679][ T166] ? ptrace_signal+0x600/0x600
[ 98.250813][ T166] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.250942][ T166] ? get_sigframe_size+0x20/0x20
[ 98.251123][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.251251][ T166] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.251411][ T166] exit_to_user_mode_loop+0x86/0x520
[ 98.251536][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.251666][ T166] do_syscall_64+0x437/0xfc0
[ 98.251796][ T166] ? irq_exit_rcu+0x1a/0x30
[ 98.251923][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.252133][ T166] RIP: 0033:0x4c2d9e
[ 98.252237][ T166] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.252412][ T166] RSP: 002b:00007ffe67213dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.252604][ T166] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 98.252796][ T166] RDX: 0000000000000014 RSI: 00007ffe67213ea0 RDI: 0000000000000007
[ 98.252985][ T166] RBP: 00007ffe67213dd0 R08: 00007ffe67213e60 R09: 000000000000000c
[ 98.253227][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000028f98780
[ 98.253416][ T166] R13: 00007ffe672149f0 R14: 00007ffe67213f90 R15: 0000000000543540
[ 98.253611][ T166]
[ 98.253705][ T166] irq event stamp: 142075765
[ 98.253835][ T166] hardirqs last enabled at (142075773): [] __up_console_sem+0x5a/0x70
[ 98.254059][ T166] hardirqs last disabled at (142075780): [] __up_console_sem+0x3f/0x70
[ 98.254332][ T166] softirqs last enabled at (142075880): [] handle_softirqs+0x611/0x940
[ 98.254554][ T166] softirqs last disabled at (142075785): [] __irq_exit_rcu+0x103/0x1c0
[ 98.254776][ T166] ---[ end trace 0000000000000000 ]---
[ 98.266706][ T166] ------------[ cut here ]------------
[ 98.266857][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/166
[ 98.267124][ T166] Modules linked in:
[ 98.267223][ T166] CPU: 3 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.267503][ T166] Tainted: [W]=WARN
[ 98.267596][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.267753][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.267915][ 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
[ 98.268390][ T166] RSP: 0018:ffa0000000857820 EFLAGS: 00010286
[ 98.268559][ T166] RAX: 00000000ffffffa6 RBX: ff11000004c2d6c0 RCX: 1ff400000010aeca
[ 98.268760][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004c2d770
[ 98.268965][ T166] RBP: ff1100000af7c000 R08: 1fe2200000985aef R09: ff1100000d7d0b58
[ 98.269159][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.269360][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.269544][ T166] FS: 0000000000000000(0000) GS:ff110000a1153000(0000) knlGS:0000000000000000
[ 98.269765][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.269921][ T166] CR2: 00005586fc637c70 CR3: 0000000034b39005 CR4: 0000000000771ef0
[ 98.270114][ T166] PKRU: 55555554
[ 98.270206][ T166] Call Trace:
[ 98.270298][ T166]
[ 98.270362][ T166] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.270518][ T166] ? unregister_netdevice_queued+0x80/0x80
[ 98.270672][ T166] ? find_held_lock+0x2b/0x80
[ 98.270800][ T166] ? find_held_lock+0x2b/0x80
[ 98.270923][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.271046][ T166] ? __queue_work+0x315/0xc00
[ 98.271181][ T166] unregister_netdevice_queue+0x290/0x470
[ 98.271305][ T166] ? mark_held_locks+0x40/0x70
[ 98.271426][ T166] ? unregister_netdevice_many+0x20/0x20
[ 98.271550][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.271672][ T166] ? queue_delayed_work_on+0x95/0x100
[ 98.271799][ T166] __tun_detach+0xf36/0x1320
[ 98.271924][ T166] tun_chr_close+0xac/0x1b0
[ 98.272048][ T166] __fput+0x363/0xac0
[ 98.272149][ T166] task_work_run+0x12b/0x240
[ 98.272270][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.272393][ T166] ? task_work_cancel+0x30/0x30
[ 98.272516][ T166] ? kmem_cache_free+0xf8/0x560
[ 98.272640][ T166] do_exit+0x614/0xdc0
[ 98.272737][ T166] ? exit_notify+0x890/0x890
[ 98.272859][ T166] ? find_held_lock+0x2b/0x80
[ 98.272982][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.273107][ T166] ? __rwlock_init+0x150/0x150
[ 98.273231][ T166] do_group_exit+0xb8/0x370
[ 98.273352][ T166] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.273504][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.273626][ T166] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.273751][ T166] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.273873][ T166] get_signal+0x172e/0x1820
[ 98.273999][ T166] ? __sys_sendto+0x2c9/0x400
[ 98.274125][ T166] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.274248][ T166] ? ptrace_signal+0x600/0x600
[ 98.274373][ T166] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.274497][ T166] ? get_sigframe_size+0x20/0x20
[ 98.274622][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.274749][ T166] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.274902][ T166] exit_to_user_mode_loop+0x86/0x520
[ 98.275023][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.275151][ T166] do_syscall_64+0x437/0xfc0
[ 98.275275][ T166] ? irq_exit_rcu+0x1a/0x30
[ 98.275397][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.275549][ T166] RIP: 0033:0x4c2d9e
[ 98.275646][ T166] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.275807][ T166] RSP: 002b:00007ffe67213dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.275991][ T166] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 98.276179][ T166] RDX: 0000000000000014 RSI: 00007ffe67213ea0 RDI: 0000000000000007
[ 98.276359][ T166] RBP: 00007ffe67213dd0 R08: 00007ffe67213e60 R09: 000000000000000c
[ 98.276540][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000028f98780
[ 98.276722][ T166] R13: 00007ffe672149f0 R14: 00007ffe67213f90 R15: 0000000000543540
[ 98.276918][ T166]
[ 98.277010][ T166] irq event stamp: 142095415
[ 98.277135][ T166] hardirqs last enabled at (142095425): [] __up_console_sem+0x5a/0x70
[ 98.277348][ T166] hardirqs last disabled at (142095432): [] __up_console_sem+0x3f/0x70
[ 98.277560][ T166] softirqs last enabled at (142094832): [] handle_softirqs+0x611/0x940
[ 98.277775][ T166] softirqs last disabled at (142094827): [] __irq_exit_rcu+0x103/0x1c0
[ 98.277985][ T166] ---[ end trace 0000000000000000 ]---
[ 98.294449][ T12] ------------[ cut here ]------------
[ 98.294656][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: kworker/u16:0/12
[ 98.294889][ T12] Modules linked in:
[ 98.295005][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.295304][ T12] Tainted: [W]=WARN
[ 98.295397][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.295556][ T12] Workqueue: netns cleanup_net
[ 98.295684][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.295840][ 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
[ 98.296251][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 98.296395][ T12] RAX: 00000000ffffffa6 RBX: ff11000004f1be40 RCX: 1ff4000000018ed5
[ 98.296575][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f1bef0
[ 98.296756][ T12] RBP: ff11000009b81000 R08: 1fe22000009e37df R09: ff11000001afd1d0
[ 98.296926][ T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.297104][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.297274][ T12] FS: 0000000000000000(0000) GS:ff110000a0fd3000(0000) knlGS:0000000000000000
[ 98.297474][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.297618][ T12] CR2: 00007f91cd085f98 CR3: 0000000034b39006 CR4: 0000000000771ef0
[ 98.297802][ T12] PKRU: 55555554
[ 98.297897][ T12] Call Trace:
[ 98.297984][ T12]
[ 98.298048][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.298281][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 98.298425][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 98.298541][ T12] default_device_exit_batch+0x38b/0x600
[ 98.298655][ T12] ? generic_xdp_install+0x400/0x400
[ 98.298771][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 98.298887][ T12] ? unregister_netdev+0x60/0x60
[ 98.299000][ T12] ? rtnl_is_locked+0x15/0x20
[ 98.299163][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 98.299279][ T12] ops_undo_list+0x2ce/0x8f0
[ 98.299393][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 98.299508][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.299625][ T12] cleanup_net+0x431/0x890
[ 98.299749][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 98.299863][ T12] ? process_one_work+0xdb7/0x1410
[ 98.299980][ T12] ? lock_acquire+0x134/0x160
[ 98.300141][ T12] ? rcu_is_watching+0x15/0xd0
[ 98.300256][ T12] process_one_work+0xdf8/0x1410
[ 98.300372][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 98.300487][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 98.300606][ T12] worker_thread+0x4f1/0xd60
[ 98.300728][ T12] ? rescuer_thread+0x1320/0x1320
[ 98.300842][ T12] kthread+0x367/0x460
[ 98.300930][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.301121][ T12] ? kthread_affine_node+0x330/0x330
[ 98.301236][ T12] ret_from_fork+0x474/0x6b0
[ 98.301360][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 98.301502][ T12] ? __switch_to+0x5a3/0xe00
[ 98.301615][ T12] ? kthread_affine_node+0x330/0x330
[ 98.301738][ T12] ret_from_fork_asm+0x11/0x20
[ 98.301860][ T12]
[ 98.301944][ T12] irq event stamp: 4029
[ 98.302033][ T12] hardirqs last enabled at (4037): [] __up_console_sem+0x5a/0x70
[ 98.302275][ T12] hardirqs last disabled at (4138): [] __up_console_sem+0x3f/0x70
[ 98.302471][ T12] softirqs last enabled at (4136): [] handle_softirqs+0x611/0x940
[ 98.302672][ T12] softirqs last disabled at (4045): [] __irq_exit_rcu+0x103/0x1c0
[ 98.302873][ T12] ---[ end trace 0000000000000000 ]---