[ 8.992855][ T167] ------------[ cut here ]------------
[ 8.993107][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: unshare/167
[ 8.993401][ T167] Modules linked in:
[ 8.993584][ T167] CPU: 3 UID: 0 PID: 167 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.993864][ T167] Tainted: [W]=WARN
[ 8.993968][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.994147][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.994329][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 8.994866][ T167] RSP: 0018:ffa00000007e7ab0 EFLAGS: 00010286
[ 8.995050][ T167] RAX: 00000000ffffffa6 RBX: ff11000005726c40 RCX: 1ff40000000fcf1c
[ 8.995257][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005726cf0
[ 8.995464][ T167] RBP: ff11000008834000 R08: 1fe2200000ae4d9f R09: ff1100000d58ae80
[ 8.995705][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.995925][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008834000
[ 8.996144][ T167] FS: 00007f210e56e740(0000) GS:ff1100007b353000(0000) knlGS:0000000000000000
[ 8.996447][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.996736][ T167] CR2: 0000564b3188f310 CR3: 000000000c838001 CR4: 0000000000771ef0
[ 8.996945][ T167] PKRU: 55555554
[ 8.997057][ T167] Call Trace:
[ 8.997161][ T167]
[ 8.997234][ T167] ? ip6_route_dev_notify+0x250/0x380
[ 8.997384][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.997533][ T167] ? notifier_call_chain+0xb0/0x320
[ 8.997676][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 8.997781][ T167] register_netdevice+0x137a/0x1980
[ 8.997918][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 8.998098][ T167] register_netdev+0x23/0x40
[ 8.998237][ T167] loopback_net_init+0x7d/0x150
[ 8.998378][ T167] ops_init+0x187/0x560
[ 8.998491][ T167] setup_net+0x11b/0x3b0
[ 8.998602][ T167] ? unregister_pernet_device+0x80/0x80
[ 8.998740][ T167] ? lockdep_init_map_type+0x5d/0x250
[ 8.998877][ T167] ? mutex_init_lockdep+0xf6/0x120
[ 8.999022][ T167] copy_net_ns+0x2fd/0x450
[ 8.999162][ T167] create_new_namespaces+0x371/0xa10
[ 8.999303][ T167] unshare_nsproxy_namespaces+0xa5/0x150
[ 8.999440][ T167] ksys_unshare+0x47e/0x8c0
[ 8.999592][ T167] ? walk_process_tree+0x350/0x350
[ 8.999734][ T167] __x64_sys_unshare+0x34/0x50
[ 8.999873][ T167] ? do_syscall_64+0x82/0xfc0
[ 9.000013][ T167] do_syscall_64+0x117/0xfc0
[ 9.000157][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.000296][ T167] ? exc_page_fault+0xee/0x100
[ 9.000433][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.000615][ T167] RIP: 0033:0x7f210e669bcb
[ 9.000759][ T167] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
[ 9.001259][ T167] RSP: 002b:00007ffe6ddbfbf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 9.001466][ T167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f210e669bcb
[ 9.001686][ T167] RDX: 0000000000000000 RSI: 00007ffe6ddbf960 RDI: 0000000040000000
[ 9.001892][ T167] RBP: 00007ffe6ddbff80 R08: 00007ffe6ddbfb50 R09: 0000000000000000
[ 9.002098][ T167] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 9.002307][ T167] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000564b31892b68
[ 9.002530][ T167]
[ 9.002634][ T167] irq event stamp: 13765
[ 9.002738][ T167] hardirqs last enabled at (13773): [] __up_console_sem+0x5a/0x70
[ 9.002997][ T167] hardirqs last disabled at (13780): [] __up_console_sem+0x3f/0x70
[ 9.003244][ T167] softirqs last enabled at (13272): [] __alloc_skb+0x4c5/0x5f0
[ 9.003490][ T167] softirqs last disabled at (13270): [] __alloc_skb+0x4c5/0x5f0
[ 9.003747][ T167] ---[ end trace 0000000000000000 ]---
[ 9.021283][ T167] ------------[ cut here ]------------
[ 9.021462][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/167
[ 9.021727][ T167] Modules linked in:
[ 9.021830][ T167] CPU: 3 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.022123][ T167] Tainted: [W]=WARN
[ 9.022219][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.022391][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.022565][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 9.023045][ T167] RSP: 0018:ffa00000007e7b58 EFLAGS: 00010286
[ 9.023206][ T167] RAX: 00000000ffffffa6 RBX: ff11000009fe87c0 RCX: 1ff40000000fcf31
[ 9.023396][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009fe8870
[ 9.023590][ T167] RBP: ff1100000c5e8000 R08: 1fe22000013fd10f R09: ff1100000d58ae58
[ 9.023782][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.023977][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c5e8000
[ 9.024185][ T167] FS: 0000000001907400(0000) GS:ff1100007b353000(0000) knlGS:0000000000000000
[ 9.024413][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.024724][ T167] CR2: 00007f69d546c000 CR3: 000000000c833002 CR4: 0000000000771ef0
[ 9.024927][ T167] PKRU: 55555554
[ 9.025028][ T167] Call Trace:
[ 9.025126][ T167]
[ 9.025199][ T167] ? ip6_route_dev_notify+0x3d/0x380
[ 9.025328][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.025454][ T167] ? notifier_call_chain+0xb0/0x320
[ 9.025591][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.025694][ T167] register_netdevice+0x137a/0x1980
[ 9.025830][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 9.025988][ T167] ? alloc_netdev_mqs+0xec0/0x1410
[ 9.026122][ T167] tun_set_iff.constprop.0+0xc61/0x1850
[ 9.026252][ T167] ? tun_attach.isra.0+0x1630/0x1630
[ 9.026379][ T167] ? tun_get+0x106/0x240
[ 9.026476][ T167] __tun_chr_ioctl+0x4b0/0x2470
[ 9.026774][ T167] ? build_open_flags+0x620/0x620
[ 9.026903][ T167] ? tun_chr_read_iter+0x210/0x210
[ 9.027033][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 9.027171][ T167] ? __x64_sys_openat+0x10e/0x210
[ 9.027301][ T167] ? fput_close_sync+0xde/0x1b0
[ 9.027427][ T167] ? __ia32_sys_open+0x1b0/0x1b0
[ 9.027564][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.027692][ T167] do_syscall_64+0x117/0xfc0
[ 9.027833][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.027960][ T167] ? exc_page_fault+0xee/0x100
[ 9.028113][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.028279][ T167] RIP: 0033:0x47cc8d
[ 9.028390][ T167] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 9.028844][ T167] RSP: 002b:00007ffef68dbaa0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.029042][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.029230][ T167] RDX: 00007ffef68dbb20 RSI: 00000000400454ca RDI: 0000000000000005
[ 9.029418][ T167] RBP: 00007ffef68dbaf0 R08: 0000000000000000 R09: 0000000000000000
[ 9.029621][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffef68dbff8
[ 9.029809][ T167] R13: 00007ffef68dc080 R14: 0000000000000002 R15: 0000000000543540
[ 9.030007][ T167]
[ 9.030107][ T167] irq event stamp: 26185
[ 9.030202][ T167] hardirqs last enabled at (26193): [] __up_console_sem+0x5a/0x70
[ 9.030442][ T167] hardirqs last disabled at (26200): [] __up_console_sem+0x3f/0x70
[ 9.030681][ T167] softirqs last enabled at (25710): [] __alloc_skb+0x4c5/0x5f0
[ 9.030898][ T167] softirqs last disabled at (25708): [] __alloc_skb+0x4c5/0x5f0
[ 9.031122][ T167] ---[ end trace 0000000000000000 ]---
[ 9.037637][ T167] ------------[ cut here ]------------
[ 9.037792][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/167
[ 9.038041][ T167] Modules linked in:
[ 9.038141][ T167] CPU: 3 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.038448][ T167] Tainted: [W]=WARN
[ 9.038556][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.038723][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.038888][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 9.039335][ T167] RSP: 0018:ffa00000007e7c58 EFLAGS: 00010286
[ 9.039508][ T167] RAX: 00000000ffffffa6 RBX: ff11000009fe8f40 RCX: 1ff40000000fcf51
[ 9.039702][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009fe8ff0
[ 9.039887][ T167] RBP: ff1100000c5e8000 R08: 1fe22000013fd1ff R09: ff1100000d58ae58
[ 9.040081][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[ 9.040268][ T167] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[ 9.040453][ T167] FS: 0000000001907400(0000) GS:ff1100007b353000(0000) knlGS:0000000000000000
[ 9.040678][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.040836][ T167] CR2: 00007f69d546c000 CR3: 000000000c833002 CR4: 0000000000771ef0
[ 9.041030][ T167] PKRU: 55555554
[ 9.041138][ T167] Call Trace:
[ 9.041234][ T167]
[ 9.041312][ T167] ? rcu_is_watching+0x15/0xd0
[ 9.041442][ T167] rtnetlink_event+0xe0/0x1f0
[ 9.041582][ T167] notifier_call_chain+0xb0/0x320
[ 9.041716][ T167] netdev_update_features+0xa9/0xb0
[ 9.041847][ T167] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 9.042005][ T167] __tun_chr_ioctl+0xc7f/0x2470
[ 9.042138][ T167] ? tun_chr_read_iter+0x210/0x210
[ 9.042277][ T167] ? fd_install+0x19b/0x3d0
[ 9.042406][ T167] ? update_socket_protocol+0x10/0x10
[ 9.042544][ T167] ? alloc_file_clone+0xe0/0xe0
[ 9.042670][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.042796][ T167] do_syscall_64+0x117/0xfc0
[ 9.042918][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.043051][ T167] ? exc_page_fault+0xee/0x100
[ 9.043176][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.043330][ T167] RIP: 0033:0x47cc8d
[ 9.043429][ T167] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 9.043909][ T167] RSP: 002b:00007ffef68dbae0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.044103][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.044289][ T167] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 9.044588][ T167] RBP: 00007ffef68dbb30 R08: 0000000000000005 R09: 0000000000001ff0
[ 9.044786][ T167] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffef68dbff8
[ 9.044975][ T167] R13: 00007ffef68dc080 R14: 0000000000000002 R15: 0000000000543540
[ 9.045254][ T167]
[ 9.045347][ T167] irq event stamp: 33509
[ 9.045439][ T167] hardirqs last enabled at (33517): [] __up_console_sem+0x5a/0x70
[ 9.045743][ T167] hardirqs last disabled at (33526): [] __up_console_sem+0x3f/0x70
[ 9.045960][ T167] softirqs last enabled at (33094): [] __alloc_skb+0x4c5/0x5f0
[ 9.046261][ T167] softirqs last disabled at (33092): [] __alloc_skb+0x4c5/0x5f0
[ 9.046471][ T167] ---[ end trace 0000000000000000 ]---
[ 9.047026][ T167] ------------[ cut here ]------------
[ 9.047160][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/167
[ 9.047419][ T167] Modules linked in:
[ 9.047575][ T167] CPU: 3 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.047896][ T167] Tainted: [W]=WARN
[ 9.047995][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.048254][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.048425][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 9.048991][ T167] RSP: 0018:ffa00000007e7850 EFLAGS: 00010286
[ 9.049162][ T167] RAX: 00000000ffffffa6 RBX: ff11000009fe9540 RCX: 1ff40000000fced0
[ 9.049359][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009fe95f0
[ 9.049675][ T167] RBP: ff1100000c5e8000 R08: 1fe22000013fd2bf R09: ff1100000d58ae58
[ 9.049878][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[ 9.050171][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005798900
[ 9.050368][ T167] FS: 0000000001907400(0000) GS:ff1100007b353000(0000) knlGS:0000000000000000
[ 9.050644][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.050926][ T167] CR2: 00007f69d546c000 CR3: 000000000c833002 CR4: 0000000000771ef0
[ 9.051128][ T167] PKRU: 55555554
[ 9.051226][ T167] Call Trace:
[ 9.051325][ T167]
[ 9.051484][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.051623][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.051724][ T167] ? mark_held_locks+0x40/0x70
[ 9.051855][ T167] __dev_notify_flags+0x1b8/0x280
[ 9.052079][ T167] ? netif_change_name+0x8c0/0x8c0
[ 9.052209][ T167] ? __dev_change_flags+0x4a4/0x660
[ 9.052339][ T167] ? netif_set_allmulti+0x250/0x250
[ 9.052471][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 9.052700][ T167] netif_change_flags+0xfe/0x190
[ 9.052832][ T167] ? cap_capable+0x1d6/0x3e0
[ 9.052964][ T167] dev_change_flags+0xa5/0x170
[ 9.053099][ T167] devinet_ioctl+0x10f0/0x1840
[ 9.053320][ T167] ? inet_ifa_byprefix+0x220/0x220
[ 9.053451][ T167] ? _copy_from_user+0x42/0x90
[ 9.053597][ T167] inet_ioctl+0x34b/0x3a0
[ 9.053698][ T167] ? inet_dgram_connect+0x3e0/0x3e0
[ 9.053830][ T167] ? __lock_acquire+0x508/0xc10
[ 9.054059][ T167] ? __might_fault+0x97/0x140
[ 9.054194][ T167] ? __might_fault+0x97/0x140
[ 9.054327][ T167] sock_do_ioctl+0x10e/0x270
[ 9.054460][ T167] ? __sock_recv_cmsgs+0x550/0x550
[ 9.054604][ T167] ? ioctl_file_clone+0xd0/0xd0
[ 9.054739][ T167] sock_ioctl+0x3cb/0x5f0
[ 9.054841][ T167] ? br_ioctl_call+0x80/0x80
[ 9.054985][ T167] ? fd_install+0x19b/0x3d0
[ 9.055226][ T167] ? update_socket_protocol+0x10/0x10
[ 9.055370][ T167] ? alloc_file_clone+0xe0/0xe0
[ 9.055516][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.055648][ T167] do_syscall_64+0x117/0xfc0
[ 9.055867][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.056013][ T167] ? exc_page_fault+0xee/0x100
[ 9.056151][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.056312][ T167] RIP: 0033:0x47cc8d
[ 9.056518][ T167] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 9.057083][ T167] RSP: 002b:00007ffef68dbac0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.057281][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.057476][ T167] RDX: 00007ffef68dbb30 RSI: 0000000000008914 RDI: 0000000000000006
[ 9.057772][ T167] RBP: 00007ffef68dbb10 R08: 0000000000000005 R09: 0000000000001ff0
[ 9.057968][ T167] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffef68dbff8
[ 9.058172][ T167] R13: 00007ffef68dc080 R14: 0000000000000002 R15: 0000000000543540
[ 9.058462][ T167]
[ 9.058572][ T167] irq event stamp: 34435
[ 9.058671][ T167] hardirqs last enabled at (34443): [] __up_console_sem+0x5a/0x70
[ 9.058986][ T167] hardirqs last disabled at (34450): [] __up_console_sem+0x3f/0x70
[ 9.059223][ T167] softirqs last enabled at (33874): [] __alloc_skb+0x4c5/0x5f0
[ 9.059449][ T167] softirqs last disabled at (33872): [] __alloc_skb+0x4c5/0x5f0
[ 9.059774][ T167] ---[ end trace 0000000000000000 ]---
[ 98.830729][ T167] ------------[ cut here ]------------
[ 98.830921][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/167
[ 98.831206][ T167] Modules linked in:
[ 98.831328][ T167] CPU: 3 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.832425][ T167] Tainted: [W]=WARN
[ 98.832632][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.832850][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.833037][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 98.833629][ T167] RSP: 0018:ffa00000007e76f0 EFLAGS: 00010286
[ 98.833811][ T167] RAX: 00000000ffffffa6 RBX: ff1100000b0399c0 RCX: 1ff40000000fcea4
[ 98.834021][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b039a70
[ 98.834228][ T167] RBP: ff1100000c5e8000 R08: 1fe220000160734f R09: ff1100000d58ae58
[ 98.834461][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[ 98.834749][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000007e7790
[ 98.834987][ T167] FS: 0000000000000000(0000) GS:ff1100007b353000(0000) knlGS:0000000000000000
[ 98.835337][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.835579][ T167] CR2: 00007f69d546c000 CR3: 000000002f339006 CR4: 0000000000771ef0
[ 98.835792][ T167] PKRU: 55555554
[ 98.835896][ T167] Call Trace:
[ 98.836003][ T167]
[ 98.836079][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 98.836222][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 98.836337][ T167] netif_close_many+0x2ac/0x640
[ 98.836477][ T167] ? finish_task_switch.isra.0+0x216/0x990
[ 98.836733][ T167] ? finish_task_switch.isra.0+0x216/0x990
[ 98.836910][ T167] ? __switch_to+0x5a3/0xe00
[ 98.837052][ T167] ? __dev_close_many+0x530/0x530
[ 98.837191][ T167] ? netif_close_many_and_unlock+0x22/0x2c0
[ 98.837370][ T167] unregister_netdevice_many_notify+0x671/0x19a0
[ 98.837554][ T167] ? preempt_schedule_notrace_thunk+0x16/0x30
[ 98.837738][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 98.837927][ T167] ? mark_held_locks+0x40/0x70
[ 98.838068][ T167] ? irqentry_exit+0x21c/0x710
[ 98.838210][ T167] ? irqentry_exit+0x21c/0x710
[ 98.838353][ T167] ? lockdep_hardirqs_off+0x91/0xf0
[ 98.838495][ T167] ? sysvec_apic_timer_interrupt+0xaa/0xe0
[ 98.838687][ T167] ? __queue_work+0x315/0xc00
[ 98.838849][ T167] unregister_netdevice_queue+0x290/0x470
[ 98.838997][ T167] ? unregister_netdevice_many+0x20/0x20
[ 98.839134][ T167] ? queue_delayed_work_on+0x9e/0x100
[ 98.839282][ T167] __tun_detach+0xf36/0x1320
[ 98.839425][ T167] tun_chr_close+0xac/0x1b0
[ 98.839571][ T167] __fput+0x363/0xac0
[ 98.839681][ T167] task_work_run+0x12b/0x240
[ 98.839825][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.839964][ T167] ? task_work_cancel+0x30/0x30
[ 98.840105][ T167] ? kmem_cache_free+0xf8/0x560
[ 98.840254][ T167] do_exit+0x614/0xdc0
[ 98.840362][ T167] ? exit_notify+0x890/0x890
[ 98.840508][ T167] ? find_held_lock+0x2b/0x80
[ 98.840653][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.840793][ T167] ? __rwlock_init+0x150/0x150
[ 98.840935][ T167] do_group_exit+0xb8/0x370
[ 98.841075][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.841254][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.841492][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.841644][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.841787][ T167] get_signal+0x172e/0x1820
[ 98.841931][ T167] ? __sys_sendto+0x2c9/0x400
[ 98.842072][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.842214][ T167] ? __might_fault+0x97/0x140
[ 98.842377][ T167] ? ptrace_signal+0x600/0x600
[ 98.842529][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.842675][ T167] ? get_sigframe_size+0x20/0x20
[ 98.842821][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.842961][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.843152][ T167] exit_to_user_mode_loop+0x86/0x520
[ 98.843297][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.843438][ T167] do_syscall_64+0x437/0xfc0
[ 98.843592][ T167] ? irq_exit_rcu+0x1a/0x30
[ 98.843737][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.843915][ T167] RIP: 0033:0x4c2d9e
[ 98.844029][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.844223][ T167] RSP: 002b:00007ffef68db450 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.844438][ T167] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 98.844655][ T167] RDX: 0000000000000014 RSI: 00007ffef68db530 RDI: 0000000000000007
[ 98.844879][ T167] RBP: 00007ffef68db460 R08: 00007ffef68db4f0 R09: 000000000000000c
[ 98.845091][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffef68dbff8
[ 98.845319][ T167] R13: 00007ffef68dc080 R14: 00007ffef68db620 R15: 0000000000543540
[ 98.845536][ T167]
[ 98.845644][ T167] irq event stamp: 129162925
[ 98.845782][ T167] hardirqs last enabled at (129162933): [] __up_console_sem+0x5a/0x70
[ 98.846025][ T167] hardirqs last disabled at (129162940): [] __up_console_sem+0x3f/0x70
[ 98.846298][ T167] softirqs last enabled at (129162824): [] handle_softirqs+0x611/0x940
[ 98.846542][ T167] softirqs last disabled at (129162819): [] __irq_exit_rcu+0x103/0x1c0
[ 98.846788][ T167] ---[ end trace 0000000000000000 ]---
[ 98.850453][ T167] ------------[ cut here ]------------
[ 98.850706][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/167
[ 98.850975][ T167] Modules linked in:
[ 98.851082][ T167] CPU: 3 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.851391][ T167] Tainted: [W]=WARN
[ 98.851547][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.851725][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.851899][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 98.852400][ T167] RSP: 0018:ffa00000007e7820 EFLAGS: 00010286
[ 98.852631][ T167] RAX: 00000000ffffffa6 RBX: ff1100000268f540 RCX: 1ff40000000fceca
[ 98.852839][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000268f5f0
[ 98.853043][ T167] RBP: ff1100000c5e8000 R08: 1fe22000004d1ebf R09: ff1100000d58ae58
[ 98.853248][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.853449][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.853709][ T167] FS: 0000000000000000(0000) GS:ff1100007b353000(0000) knlGS:0000000000000000
[ 98.853944][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.854114][ T167] CR2: 00007f69d546c000 CR3: 000000002f339006 CR4: 0000000000771ef0
[ 98.854324][ T167] PKRU: 55555554
[ 98.854426][ T167] Call Trace:
[ 98.854585][ T167]
[ 98.854655][ T167] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.854828][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 98.855010][ T167] ? mark_held_locks+0x40/0x70
[ 98.855146][ T167] ? irqentry_exit+0x21c/0x710
[ 98.855284][ T167] ? irqentry_exit+0x21c/0x710
[ 98.855428][ T167] ? sysvec_apic_timer_interrupt+0xaa/0xe0
[ 98.855652][ T167] ? __queue_work+0x315/0xc00
[ 98.855787][ T167] unregister_netdevice_queue+0x290/0x470
[ 98.855922][ T167] ? unregister_netdevice_many+0x20/0x20
[ 98.856055][ T167] ? queue_delayed_work_on+0x9e/0x100
[ 98.856190][ T167] __tun_detach+0xf36/0x1320
[ 98.856351][ T167] tun_chr_close+0xac/0x1b0
[ 98.856539][ T167] __fput+0x363/0xac0
[ 98.856648][ T167] task_work_run+0x12b/0x240
[ 98.856782][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.856917][ T167] ? task_work_cancel+0x30/0x30
[ 98.857050][ T167] ? kmem_cache_free+0xf8/0x560
[ 98.857185][ T167] do_exit+0x614/0xdc0
[ 98.857290][ T167] ? exit_notify+0x890/0x890
[ 98.857425][ T167] ? find_held_lock+0x2b/0x80
[ 98.857618][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.857753][ T167] ? __rwlock_init+0x150/0x150
[ 98.857894][ T167] do_group_exit+0xb8/0x370
[ 98.858028][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.858220][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.858364][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.858549][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.858689][ T167] get_signal+0x172e/0x1820
[ 98.858827][ T167] ? __sys_sendto+0x2c9/0x400
[ 98.858962][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.859100][ T167] ? __might_fault+0x97/0x140
[ 98.859237][ T167] ? ptrace_signal+0x600/0x600
[ 98.859380][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.859576][ T167] ? get_sigframe_size+0x20/0x20
[ 98.859713][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.859851][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.860020][ T167] exit_to_user_mode_loop+0x86/0x520
[ 98.860154][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.860295][ T167] do_syscall_64+0x437/0xfc0
[ 98.860435][ T167] ? irq_exit_rcu+0x1a/0x30
[ 98.860652][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.860832][ T167] RIP: 0033:0x4c2d9e
[ 98.860938][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.861110][ T167] RSP: 002b:00007ffef68db450 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.861323][ T167] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 98.861583][ T167] RDX: 0000000000000014 RSI: 00007ffef68db530 RDI: 0000000000000007
[ 98.861799][ T167] RBP: 00007ffef68db460 R08: 00007ffef68db4f0 R09: 000000000000000c
[ 98.861998][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffef68dbff8
[ 98.862197][ T167] R13: 00007ffef68dc080 R14: 00007ffef68db620 R15: 0000000000543540
[ 98.862408][ T167]
[ 98.862574][ T167] irq event stamp: 129169337
[ 98.862730][ T167] hardirqs last enabled at (129169345): [] __up_console_sem+0x5a/0x70
[ 98.862971][ T167] hardirqs last disabled at (129169352): [] __up_console_sem+0x3f/0x70
[ 98.863201][ T167] softirqs last enabled at (129169334): [] handle_softirqs+0x611/0x940
[ 98.863446][ T167] softirqs last disabled at (129169241): [] __irq_exit_rcu+0x103/0x1c0
[ 98.863740][ T167] ---[ end trace 0000000000000000 ]---
[ 98.887828][ T68] ------------[ cut here ]------------
[ 98.888041][ T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: kworker/u16:1/68
[ 98.888341][ T68] Modules linked in:
[ 98.888467][ T68] CPU: 0 UID: 0 PID: 68 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.888806][ T68] Tainted: [W]=WARN
[ 98.888902][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.889063][ T68] Workqueue: netns cleanup_net
[ 98.889203][ T68] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.889371][ T68] 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
[ 98.889833][ T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[ 98.889991][ T68] RAX: 00000000ffffffa6 RBX: ff1100000268fe40 RCX: 1ff4000000092ed5
[ 98.890184][ T68] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000268fef0
[ 98.890374][ T68] RBP: ff11000008834000 R08: 1fe22000004d1fdf R09: ff11000008ccaed0
[ 98.890567][ T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.890776][ T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.890973][ T68] FS: 0000000000000000(0000) GS:ff1100007b1d3000(0000) knlGS:0000000000000000
[ 98.891191][ T68] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.891353][ T68] CR2: 000055638609a2b8 CR3: 000000000a9c7005 CR4: 0000000000771ef0
[ 98.891545][ T68] PKRU: 55555554
[ 98.891645][ T68] Call Trace:
[ 98.891760][ T68]
[ 98.891831][ T68] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.891999][ T68] ? unregister_netdevice_queued+0x80/0x80
[ 98.892170][ T68] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 98.892302][ T68] default_device_exit_batch+0x38b/0x600
[ 98.892425][ T68] ? generic_xdp_install+0x400/0x400
[ 98.892553][ T68] ? ipmr_free_table+0x12e/0x2a0
[ 98.892684][ T68] ? unregister_netdev+0x60/0x60
[ 98.892810][ T68] ? rtnl_is_locked+0x15/0x20
[ 98.892933][ T68] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 98.893059][ T68] ops_undo_list+0x2ce/0x8f0
[ 98.893187][ T68] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 98.893326][ T68] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.893455][ T68] cleanup_net+0x431/0x890
[ 98.893681][ T68] ? net_passive_dec+0x1c0/0x1c0
[ 98.893808][ T68] ? process_one_work+0xdb7/0x1410
[ 98.893935][ T68] ? lock_acquire+0x134/0x160
[ 98.894059][ T68] ? rcu_is_watching+0x15/0xd0
[ 98.894234][ T68] process_one_work+0xdf8/0x1410
[ 98.894394][ T68] ? pwq_dec_nr_in_flight+0x710/0x710
[ 98.894573][ T68] ? lock_acquire.part.0+0xbc/0x260
[ 98.894705][ T68] worker_thread+0x4f1/0xd60
[ 98.894832][ T68] ? rescuer_thread+0x1320/0x1320
[ 98.894963][ T68] ? __kthread_parkme+0xbd/0x210
[ 98.895090][ T68] ? rescuer_thread+0x1320/0x1320
[ 98.895213][ T68] kthread+0x367/0x460
[ 98.895330][ T68] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.895536][ T68] ? kthread_affine_node+0x330/0x330
[ 98.895665][ T68] ret_from_fork+0x474/0x6b0
[ 98.895792][ T68] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 98.895949][ T68] ? __switch_to+0x5a3/0xe00
[ 98.896080][ T68] ? kthread_affine_node+0x330/0x330
[ 98.896203][ T68] ret_from_fork_asm+0x11/0x20
[ 98.896339][ T68]
[ 98.896433][ T68] irq event stamp: 2975
[ 98.896593][ T68] hardirqs last enabled at (3077): [] __up_console_sem+0x5a/0x70
[ 98.896813][ T68] hardirqs last disabled at (3084): [] __up_console_sem+0x3f/0x70
[ 98.897029][ T68] softirqs last enabled at (3074): [] handle_softirqs+0x611/0x940
[ 98.897248][ T68] softirqs last disabled at (2983): [] __irq_exit_rcu+0x103/0x1c0
[ 98.897467][ T68] ---[ end trace 0000000000000000 ]---