[ 8.544589][ T167] ------------[ cut here ]------------
[ 8.544799][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: unshare/167
[ 8.545085][ T167] Modules linked in:
[ 8.545220][ T167] CPU: 0 UID: 0 PID: 167 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.545534][ T167] Tainted: [W]=WARN
[ 8.545635][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.545801][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.545980][ 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
[ 8.546457][ T167] RSP: 0018:ffa00000007f7ab0 EFLAGS: 00010286
[ 8.546626][ T167] RAX: 00000000ffffffa6 RBX: ff1100000b599540 RCX: 1ff40000000fef1c
[ 8.546825][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b5995f0
[ 8.547031][ T167] RBP: ff1100000a0d1000 R08: 1fe22000016b32bf R09: ff1100000ce5d180
[ 8.547237][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.547437][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a0d1000
[ 8.547639][ T167] FS: 00007f0577e34740(0000) GS:ff11000082bd3000(0000) knlGS:0000000000000000
[ 8.547876][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.548043][ T167] CR2: 00005639e82fe310 CR3: 000000000b732005 CR4: 0000000000771ef0
[ 8.548246][ T167] PKRU: 55555554
[ 8.548348][ T167] Call Trace:
[ 8.548449][ T167]
[ 8.548518][ T167] ? ip6_route_dev_notify+0x250/0x380
[ 8.548702][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.548834][ T167] ? notifier_call_chain+0xb0/0x320
[ 8.548971][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 8.549071][ T167] register_netdevice+0x137a/0x1980
[ 8.549206][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 8.549376][ T167] register_netdev+0x23/0x40
[ 8.549519][ T167] loopback_net_init+0x7d/0x150
[ 8.549655][ T167] ops_init+0x187/0x560
[ 8.549756][ T167] setup_net+0x11b/0x3b0
[ 8.549856][ T167] ? unregister_pernet_device+0x80/0x80
[ 8.549992][ T167] ? lockdep_init_map_type+0x5d/0x250
[ 8.550126][ T167] ? mutex_init_lockdep+0xf6/0x120
[ 8.550269][ T167] copy_net_ns+0x2fd/0x450
[ 8.550403][ T167] create_new_namespaces+0x371/0xa10
[ 8.550537][ T167] unshare_nsproxy_namespaces+0xa5/0x150
[ 8.550668][ T167] ksys_unshare+0x47e/0x8c0
[ 8.550800][ T167] ? walk_process_tree+0x350/0x350
[ 8.550939][ T167] __x64_sys_unshare+0x34/0x50
[ 8.551071][ T167] ? do_syscall_64+0x82/0xfc0
[ 8.551202][ T167] do_syscall_64+0x117/0xfc0
[ 8.551338][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.551471][ T167] ? exc_page_fault+0xee/0x100
[ 8.551601][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.551763][ T167] RIP: 0033:0x7f0577f2fbcb
[ 8.551907][ 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
[ 8.552433][ T167] RSP: 002b:00007ffc077273e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 8.552633][ T167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0577f2fbcb
[ 8.552828][ T167] RDX: 0000000000000000 RSI: 00007ffc07727150 RDI: 0000000040000000
[ 8.553028][ T167] RBP: 00007ffc07727770 R08: 00007ffc07727340 R09: 0000000000000000
[ 8.553221][ T167] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 8.553479][ T167] R13: 0000000000000000 R14: 00000000ffffffff R15: 00005639e8301b68
[ 8.553681][ T167]
[ 8.553781][ T167] irq event stamp: 15279
[ 8.553883][ T167] hardirqs last enabled at (15287): [] __up_console_sem+0x5a/0x70
[ 8.554110][ T167] hardirqs last disabled at (15294): [] __up_console_sem+0x3f/0x70
[ 8.554392][ T167] softirqs last enabled at (15396): [] handle_softirqs+0x611/0x940
[ 8.554626][ T167] softirqs last disabled at (15303): [] __irq_exit_rcu+0x103/0x1c0
[ 8.554852][ T167] ---[ end trace 0000000000000000 ]---
[ 8.584873][ T167] ------------[ cut here ]------------
[ 8.585019][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: packetdrill/167
[ 8.585271][ T167] Modules linked in:
[ 8.585371][ T167] CPU: 1 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.585650][ T167] Tainted: [W]=WARN
[ 8.585750][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.585908][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.586066][ 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
[ 8.586529][ T167] RSP: 0018:ffa00000007f7b58 EFLAGS: 00010286
[ 8.586681][ T167] RAX: 00000000ffffffa6 RBX: ff1100000959fb40 RCX: 1ff40000000fef31
[ 8.586865][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000959fbf0
[ 8.587046][ T167] RBP: ff11000004998000 R08: 1fe22000012b3f7f R09: ff1100000ce5d158
[ 8.587237][ T167] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.587418][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004998000
[ 8.587599][ T167] FS: 00000000055dc400(0000) GS:ff11000082c53000(0000) knlGS:0000000000000000
[ 8.587809][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.587969][ T167] CR2: 00007f345ec43000 CR3: 000000000ac3a003 CR4: 0000000000771ef0
[ 8.588150][ T167] PKRU: 55555554
[ 8.588243][ T167] Call Trace:
[ 8.588333][ T167]
[ 8.588396][ T167] ? ip6_route_dev_notify+0x3d/0x380
[ 8.588516][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.588637][ T167] ? notifier_call_chain+0xb0/0x320
[ 8.588761][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 8.588853][ T167] register_netdevice+0x137a/0x1980
[ 8.588983][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 8.589130][ T167] ? alloc_netdev_mqs+0xec0/0x1410
[ 8.589258][ T167] tun_set_iff.constprop.0+0xc61/0x1850
[ 8.589381][ T167] ? tun_attach.isra.0+0x1630/0x1630
[ 8.589500][ T167] ? tun_get+0x106/0x240
[ 8.589596][ T167] __tun_chr_ioctl+0x4b0/0x2470
[ 8.589715][ T167] ? build_open_flags+0x620/0x620
[ 8.589838][ T167] ? tun_chr_read_iter+0x210/0x210
[ 8.589961][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 8.590082][ T167] ? __x64_sys_openat+0x10e/0x210
[ 8.590202][ T167] ? fput_close_sync+0xde/0x1b0
[ 8.590327][ T167] ? __ia32_sys_open+0x1b0/0x1b0
[ 8.590446][ T167] __x64_sys_ioctl+0x11a/0x190
[ 8.590571][ T167] do_syscall_64+0x117/0xfc0
[ 8.590689][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.590808][ T167] ? exc_page_fault+0xee/0x100
[ 8.590932][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.591080][ T167] RIP: 0033:0x47cc8d
[ 8.591177][ 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
[ 8.591709][ T167] RSP: 002b:00007ffc27bb3220 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.591897][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.592074][ T167] RDX: 00007ffc27bb32a0 RSI: 00000000400454ca RDI: 0000000000000005
[ 8.592263][ T167] RBP: 00007ffc27bb3270 R08: 0000000000000000 R09: 0000000000000000
[ 8.592441][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc27bb3778
[ 8.592619][ T167] R13: 00007ffc27bb3800 R14: 0000000000000002 R15: 0000000000543540
[ 8.592803][ T167]
[ 8.592899][ T167] irq event stamp: 39641
[ 8.592989][ T167] hardirqs last enabled at (39649): [] __up_console_sem+0x5a/0x70
[ 8.593206][ T167] hardirqs last disabled at (39656): [] __up_console_sem+0x3f/0x70
[ 8.593826][ T167] softirqs last enabled at (40500): [] handle_softirqs+0x611/0x940
[ 8.594039][ T167] softirqs last disabled at (39665): [] __irq_exit_rcu+0x103/0x1c0
[ 8.594255][ T167] ---[ end trace 0000000000000000 ]---
[ 8.594658][ T167] ------------[ cut here ]------------
[ 8.594777][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: packetdrill/167
[ 8.595013][ T167] Modules linked in:
[ 8.595159][ T167] CPU: 1 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.595444][ T167] Tainted: [W]=WARN
[ 8.595533][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.595684][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.595837][ 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
[ 8.596274][ T167] RSP: 0018:ffa00000007f7c58 EFLAGS: 00010286
[ 8.596423][ T167] RAX: 00000000ffffffa6 RBX: ff1100000959f3c0 RCX: 1ff40000000fef51
[ 8.596597][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000959f470
[ 8.596776][ T167] RBP: ff11000004998000 R08: 1fe22000012b3e8f R09: ff1100000ce5d158
[ 8.596961][ T167] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[ 8.597134][ T167] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[ 8.597316][ T167] FS: 00000000055dc400(0000) GS:ff11000082c53000(0000) knlGS:0000000000000000
[ 8.597523][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.597672][ T167] CR2: 00007f345ec43000 CR3: 000000000ac3a003 CR4: 0000000000771ef0
[ 8.597890][ T167] PKRU: 55555554
[ 8.597979][ T167] Call Trace:
[ 8.598066][ T167]
[ 8.598127][ T167] ? rcu_is_watching+0x15/0xd0
[ 8.598251][ T167] rtnetlink_event+0xe0/0x1f0
[ 8.598371][ T167] notifier_call_chain+0xb0/0x320
[ 8.598491][ T167] netdev_update_features+0xa9/0xb0
[ 8.598607][ T167] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 8.598755][ T167] __tun_chr_ioctl+0xc7f/0x2470
[ 8.598878][ T167] ? tun_chr_read_iter+0x210/0x210
[ 8.598996][ T167] ? fd_install+0x19b/0x3d0
[ 8.599117][ T167] ? update_socket_protocol+0x10/0x10
[ 8.599240][ T167] ? alloc_file_clone+0xe0/0xe0
[ 8.599360][ T167] __x64_sys_ioctl+0x11a/0x190
[ 8.599478][ T167] do_syscall_64+0x117/0xfc0
[ 8.599597][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.599716][ T167] ? exc_page_fault+0xee/0x100
[ 8.599835][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.599986][ T167] RIP: 0033:0x47cc8d
[ 8.600079][ 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
[ 8.600517][ T167] RSP: 002b:00007ffc27bb3260 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.600697][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.600876][ T167] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 8.601059][ T167] RBP: 00007ffc27bb32b0 R08: 0000000000000005 R09: 0000000000001ff0
[ 8.601252][ T167] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffc27bb3778
[ 8.601431][ T167] R13: 00007ffc27bb3800 R14: 0000000000000002 R15: 0000000000543540
[ 8.601612][ T167]
[ 8.601701][ T167] irq event stamp: 41151
[ 8.601793][ T167] hardirqs last enabled at (41159): [] __up_console_sem+0x5a/0x70
[ 8.602004][ T167] hardirqs last disabled at (41166): [] __up_console_sem+0x3f/0x70
[ 8.602208][ T167] softirqs last enabled at (40736): [] __alloc_skb+0x4c5/0x5f0
[ 8.602416][ T167] softirqs last disabled at (40734): [] __alloc_skb+0x4c5/0x5f0
[ 8.602618][ T167] ---[ end trace 0000000000000000 ]---
[ 8.603081][ T167] ------------[ cut here ]------------
[ 8.603210][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: packetdrill/167
[ 8.603464][ T167] Modules linked in:
[ 8.603563][ T167] CPU: 1 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.603849][ T167] Tainted: [W]=WARN
[ 8.603952][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.604111][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.604279][ 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
[ 8.604734][ T167] RSP: 0018:ffa00000007f7850 EFLAGS: 00010286
[ 8.604901][ T167] RAX: 00000000ffffffa6 RBX: ff1100000959f6c0 RCX: 1ff40000000feed0
[ 8.605090][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000959f770
[ 8.605284][ T167] RBP: ff11000004998000 R08: 1fe22000012b3eef R09: ff1100000ce5d158
[ 8.605474][ T167] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[ 8.605662][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000057e0900
[ 8.605852][ T167] FS: 00000000055dc400(0000) GS:ff11000082c53000(0000) knlGS:0000000000000000
[ 8.606080][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.606243][ T167] CR2: 00007f345ec43000 CR3: 000000000ac3a003 CR4: 0000000000771ef0
[ 8.606435][ T167] PKRU: 55555554
[ 8.606532][ T167] Call Trace:
[ 8.606626][ T167]
[ 8.606691][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.606821][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 8.606927][ T167] ? mark_held_locks+0x40/0x70
[ 8.607055][ T167] __dev_notify_flags+0x1b8/0x280
[ 8.607183][ T167] ? netif_change_name+0x8c0/0x8c0
[ 8.607314][ T167] ? __dev_change_flags+0x4a4/0x660
[ 8.607443][ T167] ? netif_set_allmulti+0x250/0x250
[ 8.607570][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 8.607699][ T167] netif_change_flags+0xfe/0x190
[ 8.607825][ T167] ? cap_capable+0x1d6/0x3e0
[ 8.607977][ T167] dev_change_flags+0xa5/0x170
[ 8.608105][ T167] devinet_ioctl+0x10f0/0x1840
[ 8.608240][ T167] ? inet_ifa_byprefix+0x220/0x220
[ 8.608369][ T167] ? _copy_from_user+0x42/0x90
[ 8.608499][ T167] inet_ioctl+0x34b/0x3a0
[ 8.608595][ T167] ? inet_dgram_connect+0x3e0/0x3e0
[ 8.608722][ T167] ? __lock_acquire+0x508/0xc10
[ 8.608855][ T167] ? __might_fault+0x97/0x140
[ 8.608989][ T167] ? __might_fault+0x97/0x140
[ 8.609118][ T167] sock_do_ioctl+0x10e/0x270
[ 8.609252][ T167] ? __sock_recv_cmsgs+0x550/0x550
[ 8.609384][ T167] ? ioctl_file_clone+0xd0/0xd0
[ 8.609514][ T167] sock_ioctl+0x3cb/0x5f0
[ 8.609612][ T167] ? br_ioctl_call+0x80/0x80
[ 8.609742][ T167] ? fd_install+0x19b/0x3d0
[ 8.609876][ T167] ? update_socket_protocol+0x10/0x10
[ 8.610004][ T167] ? alloc_file_clone+0xe0/0xe0
[ 8.610135][ T167] __x64_sys_ioctl+0x11a/0x190
[ 8.610270][ T167] do_syscall_64+0x117/0xfc0
[ 8.610400][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.610526][ T167] ? exc_page_fault+0xee/0x100
[ 8.610653][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.610810][ T167] RIP: 0033:0x47cc8d
[ 8.610916][ 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
[ 8.611374][ T167] RSP: 002b:00007ffc27bb3240 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.611565][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.611753][ T167] RDX: 00007ffc27bb32b0 RSI: 0000000000008914 RDI: 0000000000000006
[ 8.611947][ T167] RBP: 00007ffc27bb3290 R08: 0000000000000005 R09: 0000000000001ff0
[ 8.612137][ T167] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffc27bb3778
[ 8.612330][ T167] R13: 00007ffc27bb3800 R14: 0000000000000002 R15: 0000000000543540
[ 8.612523][ T167]
[ 8.612617][ T167] irq event stamp: 42033
[ 8.612711][ T167] hardirqs last enabled at (42041): [] __up_console_sem+0x5a/0x70
[ 8.612936][ T167] hardirqs last disabled at (42048): [] __up_console_sem+0x3f/0x70
[ 8.613155][ T167] softirqs last enabled at (41476): [] __alloc_skb+0x4c5/0x5f0
[ 8.613381][ T167] softirqs last disabled at (41474): [] __alloc_skb+0x4c5/0x5f0
[ 8.613599][ T167] ---[ end trace 0000000000000000 ]---
[ 98.401211][ T167] ------------[ cut here ]------------
[ 98.401407][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: packetdrill/167
[ 98.401684][ T167] Modules linked in:
[ 98.401796][ T167] CPU: 1 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.402125][ T167] Tainted: [W]=WARN
[ 98.402244][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.402415][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.402591][ 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
[ 98.403068][ T167] RSP: 0018:ffa00000007f76f0 EFLAGS: 00010286
[ 98.403245][ T167] RAX: 00000000ffffffa6 RBX: ff110000053ea040 RCX: 1ff40000000feea4
[ 98.403446][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000053ea0f0
[ 98.403645][ T167] RBP: ff11000004998000 R08: 1fe2200000a7d41f R09: ff1100000ce5d158
[ 98.403844][ T167] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[ 98.404044][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000007f7790
[ 98.404250][ T167] FS: 0000000000000000(0000) GS:ff11000082c53000(0000) knlGS:0000000000000000
[ 98.404484][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.404652][ T167] CR2: 0000555711b7a1b0 CR3: 0000000017739001 CR4: 0000000000771ef0
[ 98.404854][ T167] PKRU: 55555554
[ 98.404954][ T167] Call Trace:
[ 98.405054][ T167]
[ 98.405123][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 98.405267][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 98.405369][ T167] netif_close_many+0x2ac/0x640
[ 98.405503][ T167] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 98.405638][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 98.405771][ T167] ? find_held_lock+0x2b/0x80
[ 98.405903][ T167] ? __dev_close_many+0x530/0x530
[ 98.406036][ T167] ? netif_close_many_and_unlock+0x22/0x2c0
[ 98.406206][ T167] unregister_netdevice_many_notify+0x671/0x19a0
[ 98.406377][ T167] ? select_fallback_rq+0x510/0x510
[ 98.406512][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 98.406676][ T167] ? find_held_lock+0x2b/0x80
[ 98.406810][ T167] ? find_held_lock+0x2b/0x80
[ 98.406943][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.407075][ T167] ? __queue_work+0x315/0xc00
[ 98.407216][ T167] unregister_netdevice_queue+0x290/0x470
[ 98.407354][ T167] ? mark_held_locks+0x40/0x70
[ 98.407486][ T167] ? unregister_netdevice_many+0x20/0x20
[ 98.407619][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.407752][ T167] ? queue_delayed_work_on+0x95/0x100
[ 98.407886][ T167] __tun_detach+0xf36/0x1320
[ 98.408023][ T167] tun_chr_close+0xac/0x1b0
[ 98.408161][ T167] __fput+0x363/0xac0
[ 98.408271][ T167] task_work_run+0x12b/0x240
[ 98.408405][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.408538][ T167] ? task_work_cancel+0x30/0x30
[ 98.408670][ T167] ? kmem_cache_free+0xf8/0x560
[ 98.408806][ T167] do_exit+0x614/0xdc0
[ 98.408908][ T167] ? exit_notify+0x890/0x890
[ 98.409040][ T167] ? find_held_lock+0x2b/0x80
[ 98.409178][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.409960][ T167] ? __rwlock_init+0x150/0x150
[ 98.410095][ T167] do_group_exit+0xb8/0x370
[ 98.410928][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.411093][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.411229][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.412210][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.412501][ T167] get_signal+0x172e/0x1820
[ 98.412638][ T167] ? __sys_sendto+0x2c9/0x400
[ 98.412772][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.412909][ T167] ? __might_fault+0x97/0x140
[ 98.413045][ T167] ? ptrace_signal+0x600/0x600
[ 98.413188][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.413328][ T167] ? get_sigframe_size+0x20/0x20
[ 98.413464][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.413601][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.413769][ T167] exit_to_user_mode_loop+0x86/0x520
[ 98.413902][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.414038][ T167] do_syscall_64+0x437/0xfc0
[ 98.414175][ T167] ? irq_exit_rcu+0x1a/0x30
[ 98.414310][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.414479][ T167] RIP: 0033:0x4c2d9e
[ 98.414589][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.414778][ T167] RSP: 002b:00007ffc27bb2bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.414979][ T167] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 98.415184][ T167] RDX: 0000000000000014 RSI: 00007ffc27bb2cb0 RDI: 0000000000000007
[ 98.415388][ T167] RBP: 00007ffc27bb2be0 R08: 00007ffc27bb2c70 R09: 000000000000000c
[ 98.415591][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc27bb3778
[ 98.415790][ T167] R13: 00007ffc27bb3800 R14: 00007ffc27bb2da0 R15: 0000000000543540
[ 98.415996][ T167]
[ 98.416095][ T167] irq event stamp: 134773905
[ 98.416237][ T167] hardirqs last enabled at (134773915): [] __up_console_sem+0x5a/0x70
[ 98.416472][ T167] hardirqs last disabled at (134773922): [] __up_console_sem+0x3f/0x70
[ 98.416704][ T167] softirqs last enabled at (134773706): [] handle_softirqs+0x611/0x940
[ 98.416936][ T167] softirqs last disabled at (134773455): [] __irq_exit_rcu+0x103/0x1c0
[ 98.417174][ T167] ---[ end trace 0000000000000000 ]---
[ 98.420100][ T167] ------------[ cut here ]------------
[ 98.420271][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: packetdrill/167
[ 98.420534][ T167] Modules linked in:
[ 98.420636][ T167] CPU: 1 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.420932][ T167] Tainted: [W]=WARN
[ 98.421029][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.421195][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.421370][ 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
[ 98.421832][ T167] RSP: 0018:ffa00000007f7820 EFLAGS: 00010286
[ 98.421996][ T167] RAX: 00000000ffffffa6 RBX: ff11000009a5c940 RCX: 1ff40000000feeca
[ 98.422193][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009a5c9f0
[ 98.422389][ T167] RBP: ff11000004998000 R08: 1fe220000134b93f R09: ff1100000ce5d158
[ 98.422578][ T167] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.422770][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.422960][ T167] FS: 0000000000000000(0000) GS:ff11000082c53000(0000) knlGS:0000000000000000
[ 98.423189][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.423356][ T167] CR2: 0000555711b7a1b0 CR3: 0000000017739001 CR4: 0000000000771ef0
[ 98.423546][ T167] PKRU: 55555554
[ 98.423642][ T167] Call Trace:
[ 98.423738][ T167]
[ 98.423806][ T167] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.423973][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 98.424131][ T167] ? find_held_lock+0x2b/0x80
[ 98.424268][ T167] ? find_held_lock+0x2b/0x80
[ 98.424397][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.424526][ T167] ? __queue_work+0x315/0xc00
[ 98.424655][ T167] unregister_netdevice_queue+0x290/0x470
[ 98.424782][ T167] ? mark_held_locks+0x40/0x70
[ 98.424910][ T167] ? unregister_netdevice_many+0x20/0x20
[ 98.425038][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.425169][ T167] ? queue_delayed_work_on+0x95/0x100
[ 98.425303][ T167] __tun_detach+0xf36/0x1320
[ 98.425433][ T167] tun_chr_close+0xac/0x1b0
[ 98.425560][ T167] __fput+0x363/0xac0
[ 98.425660][ T167] task_work_run+0x12b/0x240
[ 98.425789][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.425916][ T167] ? task_work_cancel+0x30/0x30
[ 98.426044][ T167] ? kmem_cache_free+0xf8/0x560
[ 98.426179][ T167] do_exit+0x614/0xdc0
[ 98.426278][ T167] ? exit_notify+0x890/0x890
[ 98.426408][ T167] ? find_held_lock+0x2b/0x80
[ 98.426536][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.426663][ T167] ? __rwlock_init+0x150/0x150
[ 98.426792][ T167] do_group_exit+0xb8/0x370
[ 98.426919][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.427079][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.427212][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.427345][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.427641][ T167] get_signal+0x172e/0x1820
[ 98.427806][ T167] ? __sys_sendto+0x2c9/0x400
[ 98.427938][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.428084][ T167] ? __might_fault+0x97/0x140
[ 98.428322][ T167] ? ptrace_signal+0x600/0x600
[ 98.428470][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.428613][ T167] ? get_sigframe_size+0x20/0x20
[ 98.428757][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.428979][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.429150][ T167] exit_to_user_mode_loop+0x86/0x520
[ 98.429285][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.429415][ T167] do_syscall_64+0x437/0xfc0
[ 98.429626][ T167] ? irq_exit_rcu+0x1a/0x30
[ 98.429755][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.429913][ T167] RIP: 0033:0x4c2d9e
[ 98.430016][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.430279][ T167] RSP: 002b:00007ffc27bb2bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.430472][ T167] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 98.430747][ T167] RDX: 0000000000000014 RSI: 00007ffc27bb2cb0 RDI: 0000000000000007
[ 98.430936][ T167] RBP: 00007ffc27bb2be0 R08: 00007ffc27bb2c70 R09: 000000000000000c
[ 98.431125][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc27bb3778
[ 98.431324][ T167] R13: 00007ffc27bb3800 R14: 00007ffc27bb2da0 R15: 0000000000543540
[ 98.431519][ T167]
[ 98.431617][ T167] irq event stamp: 134778041
[ 98.431747][ T167] hardirqs last enabled at (134778049): [] __up_console_sem+0x5a/0x70
[ 98.432054][ T167] hardirqs last disabled at (134778056): [] __up_console_sem+0x3f/0x70
[ 98.432283][ T167] softirqs last enabled at (134777434): [] handle_softirqs+0x611/0x940
[ 98.432587][ T167] softirqs last disabled at (134777427): [] __irq_exit_rcu+0x103/0x1c0
[ 98.432810][ T167] ---[ end trace 0000000000000000 ]---
[ 98.458676][ T12] ------------[ cut here ]------------
[ 98.458890][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: kworker/u16:0/12
[ 98.459130][ T12] Modules linked in:
[ 98.459305][ T12] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.459593][ T12] Tainted: [W]=WARN
[ 98.459685][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.459843][ T12] Workqueue: netns cleanup_net
[ 98.459980][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.460139][ 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
[ 98.460636][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 98.460856][ T12] RAX: 00000000ffffffa6 RBX: ff11000009a5de40 RCX: 1ff4000000018ed5
[ 98.461039][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009a5def0
[ 98.461223][ T12] RBP: ff1100000a0d1000 R08: 1fe220000134bbdf R09: ff11000001afd1d0
[ 98.461415][ T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.461609][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.461790][ T12] FS: 0000000000000000(0000) GS:ff11000082d53000(0000) knlGS:0000000000000000
[ 98.462000][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.462154][ T12] CR2: 00007f2f128ad770 CR3: 00000000049f0004 CR4: 0000000000771ef0
[ 98.462339][ T12] PKRU: 55555554
[ 98.462431][ T12] Call Trace:
[ 98.462520][ T12]
[ 98.462583][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.462737][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 98.462887][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 98.463007][ T12] default_device_exit_batch+0x38b/0x600
[ 98.463131][ T12] ? generic_xdp_install+0x400/0x400
[ 98.463261][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 98.463382][ T12] ? unregister_netdev+0x60/0x60
[ 98.463503][ T12] ? rtnl_is_locked+0x15/0x20
[ 98.463623][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 98.463743][ T12] ops_undo_list+0x2ce/0x8f0
[ 98.463869][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 98.463988][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.464110][ T12] cleanup_net+0x431/0x890
[ 98.464245][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 98.464364][ T12] ? process_one_work+0xdb7/0x1410
[ 98.464484][ T12] ? lock_acquire+0x134/0x160
[ 98.464604][ T12] ? rcu_is_watching+0x15/0xd0
[ 98.464726][ T12] process_one_work+0xdf8/0x1410
[ 98.464850][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 98.464967][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 98.465095][ T12] worker_thread+0x4f1/0xd60
[ 98.465224][ T12] ? rescuer_thread+0x1320/0x1320
[ 98.465355][ T12] kthread+0x367/0x460
[ 98.465447][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.465596][ T12] ? kthread_affine_node+0x330/0x330
[ 98.465716][ T12] ret_from_fork+0x474/0x6b0
[ 98.465835][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 98.465985][ T12] ? __switch_to+0x5a3/0xe00
[ 98.466108][ T12] ? kthread_affine_node+0x330/0x330
[ 98.466238][ T12] ret_from_fork_asm+0x11/0x20
[ 98.466370][ T12]
[ 98.466458][ T12] irq event stamp: 2879
[ 98.466548][ T12] hardirqs last enabled at (2887): [] __up_console_sem+0x5a/0x70
[ 98.466757][ T12] hardirqs last disabled at (2894): [] __up_console_sem+0x3f/0x70
[ 98.466969][ T12] softirqs last enabled at (2802): [] handle_softirqs+0x611/0x940
[ 98.467181][ T12] softirqs last disabled at (2797): [] __irq_exit_rcu+0x103/0x1c0
[ 98.467390][ T12] ---[ end trace 0000000000000000 ]---