[ 9.366586][ T167] ------------[ cut here ]------------
[ 9.366789][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: unshare/167
[ 9.367065][ T167] Modules linked in:
[ 9.367225][ T167] CPU: 3 UID: 0 PID: 167 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.367522][ T167] Tainted: [W]=WARN
[ 9.367622][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.367809][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.367984][ 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
[ 9.368463][ T167] RSP: 0018:ffa0000000847ab0 EFLAGS: 00010286
[ 9.368631][ T167] RAX: 00000000ffffffa6 RBX: ff11000011487840 RCX: 1ff4000000108f1c
[ 9.368832][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000114878f0
[ 9.369096][ T167] RBP: ff11000010959000 R08: 1fe2200002290f1f R09: ff11000013192e80
[ 9.369330][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.369534][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010959000
[ 9.369734][ T167] FS: 00007f14f413f740(0000) GS:ff11000094f53000(0000) knlGS:0000000000000000
[ 9.369966][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.370138][ T167] CR2: 00005612eedd6310 CR3: 0000000012647006 CR4: 0000000000771ef0
[ 9.370344][ T167] PKRU: 55555554
[ 9.370453][ T167] Call Trace:
[ 9.370551][ T167]
[ 9.370631][ T167] ? ip6_route_dev_notify+0x250/0x380
[ 9.370766][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.370898][ T167] ? notifier_call_chain+0xb0/0x320
[ 9.371038][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.371138][ T167] register_netdevice+0x137a/0x1980
[ 9.371270][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 9.371440][ T167] register_netdev+0x23/0x40
[ 9.371574][ T167] loopback_net_init+0x7d/0x150
[ 9.371707][ T167] ops_init+0x187/0x560
[ 9.371808][ T167] setup_net+0x11b/0x3b0
[ 9.371906][ T167] ? unregister_pernet_device+0x80/0x80
[ 9.372043][ T167] ? lockdep_init_map_type+0x5d/0x250
[ 9.372174][ T167] ? mutex_init_lockdep+0xf6/0x120
[ 9.372306][ T167] copy_net_ns+0x2fd/0x450
[ 9.372445][ T167] create_new_namespaces+0x371/0xa10
[ 9.372579][ T167] unshare_nsproxy_namespaces+0xa5/0x150
[ 9.372709][ T167] ksys_unshare+0x47e/0x8c0
[ 9.372848][ T167] ? walk_process_tree+0x350/0x350
[ 9.372983][ T167] __x64_sys_unshare+0x34/0x50
[ 9.373120][ T167] ? do_syscall_64+0x82/0xfc0
[ 9.373252][ T167] do_syscall_64+0x117/0xfc0
[ 9.373382][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.373520][ T167] ? exc_page_fault+0xee/0x100
[ 9.373653][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.373815][ T167] RIP: 0033:0x7f14f423abcb
[ 9.373953][ 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
[ 9.374443][ T167] RSP: 002b:00007ffea7004188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 9.374640][ T167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f14f423abcb
[ 9.374835][ T167] RDX: 0000000000000000 RSI: 00007ffea7003ef0 RDI: 0000000040000000
[ 9.375038][ T167] RBP: 00007ffea7004510 R08: 00007ffea70040e0 R09: 0000000000000000
[ 9.375234][ T167] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 9.375440][ T167] R13: 0000000000000000 R14: 00000000ffffffff R15: 00005612eedd9b68
[ 9.375642][ T167]
[ 9.375739][ T167] irq event stamp: 11687
[ 9.375838][ T167] hardirqs last enabled at (11695): [] __up_console_sem+0x5a/0x70
[ 9.376074][ T167] hardirqs last disabled at (11702): [] __up_console_sem+0x3f/0x70
[ 9.376302][ T167] softirqs last enabled at (11196): [] __alloc_skb+0x4c5/0x5f0
[ 9.376535][ T167] softirqs last disabled at (11194): [] __alloc_skb+0x4c5/0x5f0
[ 9.376763][ T167] ---[ end trace 0000000000000000 ]---
[ 9.411230][ T167] ------------[ cut here ]------------
[ 9.411387][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: packetdrill/167
[ 9.411644][ T167] Modules linked in:
[ 9.411745][ T167] CPU: 1 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.412025][ T167] Tainted: [W]=WARN
[ 9.412119][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.412271][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.412427][ 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
[ 9.413417][ T167] RSP: 0018:ffa0000000847b58 EFLAGS: 00010286
[ 9.413666][ T167] RAX: 00000000ffffffa6 RBX: ff1100001311eac0 RCX: 1ff4000000108f31
[ 9.413936][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001311eb70
[ 9.414206][ T167] RBP: ff1100000fe70000 R08: 1fe2200002623d6f R09: ff11000013192e58
[ 9.414394][ T167] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.414572][ C0] clocksource: Watchdog remote CPU 1 read timed out
[ 9.414740][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fe70000
[ 9.414746][ T167] FS: 0000000028118400(0000) GS:ff11000094e53000(0000) knlGS:0000000000000000
[ 9.415239][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.415392][ T167] CR2: 00007ff320d11000 CR3: 00000000132fc006 CR4: 0000000000771ef0
[ 9.415578][ T167] PKRU: 55555554
[ 9.415674][ T167] Call Trace:
[ 9.415765][ T167]
[ 9.415828][ T167] ? ip6_route_dev_notify+0x3d/0x380
[ 9.415950][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.416078][ T167] ? notifier_call_chain+0xb0/0x320
[ 9.416200][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.416291][ T167] register_netdevice+0x137a/0x1980
[ 9.416412][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 9.416565][ T167] ? alloc_netdev_mqs+0xec0/0x1410
[ 9.416688][ T167] tun_set_iff.constprop.0+0xc61/0x1850
[ 9.416811][ T167] ? tun_attach.isra.0+0x1630/0x1630
[ 9.416933][ T167] ? tun_get+0x106/0x240
[ 9.417037][ T167] __tun_chr_ioctl+0x4b0/0x2470
[ 9.417166][ T167] ? build_open_flags+0x620/0x620
[ 9.417289][ T167] ? tun_chr_read_iter+0x210/0x210
[ 9.417410][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 9.417536][ T167] ? __x64_sys_openat+0x10e/0x210
[ 9.417656][ T167] ? fput_close_sync+0xde/0x1b0
[ 9.417777][ T167] ? __ia32_sys_open+0x1b0/0x1b0
[ 9.417897][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.418025][ T167] do_syscall_64+0x117/0xfc0
[ 9.418148][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.418269][ T167] ? exc_page_fault+0xee/0x100
[ 9.418400][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.418555][ T167] RIP: 0033:0x47cc8d
[ 9.418652][ 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
[ 9.419087][ T167] RSP: 002b:00007ffc52d0fc40 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.419275][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.419465][ T167] RDX: 00007ffc52d0fcc0 RSI: 00000000400454ca RDI: 0000000000000005
[ 9.419646][ T167] RBP: 00007ffc52d0fc90 R08: 0000000000000000 R09: 0000000000000000
[ 9.419826][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc52d10198
[ 9.420018][ T167] R13: 00007ffc52d10220 R14: 0000000000000002 R15: 0000000000543540
[ 9.420205][ T167]
[ 9.420296][ T167] irq event stamp: 34951
[ 9.420387][ T167] hardirqs last enabled at (34959): [] __up_console_sem+0x5a/0x70
[ 9.420603][ T167] hardirqs last disabled at (34968): [] __up_console_sem+0x3f/0x70
[ 9.420820][ T167] softirqs last enabled at (34628): [] handle_softirqs+0x611/0x940
[ 9.421040][ T167] softirqs last disabled at (34623): [] __irq_exit_rcu+0x103/0x1c0
[ 9.421248][ T167] ---[ end trace 0000000000000000 ]---
[ 9.421690][ T167] ------------[ cut here ]------------
[ 9.421809][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: packetdrill/167
[ 9.422050][ T167] Modules linked in:
[ 9.422147][ T167] CPU: 1 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.422421][ T167] Tainted: [W]=WARN
[ 9.422524][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.422682][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.422838][ 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
[ 9.423272][ T167] RSP: 0018:ffa0000000847c58 EFLAGS: 00010286
[ 9.423423][ T167] RAX: 00000000ffffffa6 RBX: ff1100001311fe40 RCX: 1ff4000000108f51
[ 9.423613][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001311fef0
[ 9.423795][ T167] RBP: ff1100000fe70000 R08: 1fe2200002623fdf R09: ff11000013192e58
[ 9.423974][ T167] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[ 9.424158][ T167] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[ 9.424344][ T167] FS: 0000000028118400(0000) GS:ff11000094e53000(0000) knlGS:0000000000000000
[ 9.424558][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.424708][ T167] CR2: 00007ff320d11000 CR3: 00000000132fc006 CR4: 0000000000771ef0
[ 9.424887][ T167] PKRU: 55555554
[ 9.424977][ T167] Call Trace:
[ 9.425071][ T167]
[ 9.425137][ T167] ? rcu_is_watching+0x15/0xd0
[ 9.425258][ T167] rtnetlink_event+0xe0/0x1f0
[ 9.425382][ T167] notifier_call_chain+0xb0/0x320
[ 9.425509][ T167] netdev_update_features+0xa9/0xb0
[ 9.425629][ T167] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 9.425784][ T167] __tun_chr_ioctl+0xc7f/0x2470
[ 9.425904][ T167] ? tun_chr_read_iter+0x210/0x210
[ 9.426028][ T167] ? fd_install+0x19b/0x3d0
[ 9.426155][ T167] ? update_socket_protocol+0x10/0x10
[ 9.426277][ T167] ? alloc_file_clone+0xe0/0xe0
[ 9.426399][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.426524][ T167] do_syscall_64+0x117/0xfc0
[ 9.426644][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.426767][ T167] ? exc_page_fault+0xee/0x100
[ 9.426886][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.427044][ T167] RIP: 0033:0x47cc8d
[ 9.427138][ 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
[ 9.427565][ T167] RSP: 002b:00007ffc52d0fc80 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.427749][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.427938][ T167] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 9.428119][ T167] RBP: 00007ffc52d0fcd0 R08: 0000000000000000 R09: 0000000000000000
[ 9.428296][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc52d10198
[ 9.428481][ T167] R13: 00007ffc52d10220 R14: 0000000000000002 R15: 0000000000543540
[ 9.428669][ T167]
[ 9.428758][ T167] irq event stamp: 35623
[ 9.428847][ T167] hardirqs last enabled at (35631): [] __up_console_sem+0x5a/0x70
[ 9.429075][ T167] hardirqs last disabled at (35638): [] __up_console_sem+0x3f/0x70
[ 9.429283][ T167] softirqs last enabled at (35208): [] __alloc_skb+0x4c5/0x5f0
[ 9.429497][ T167] softirqs last disabled at (35206): [] __alloc_skb+0x4c5/0x5f0
[ 9.429700][ T167] ---[ end trace 0000000000000000 ]---
[ 9.430207][ T167] ------------[ cut here ]------------
[ 9.430387][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: packetdrill/167
[ 9.430658][ T167] Modules linked in:
[ 9.430757][ T167] CPU: 1 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.431050][ T167] Tainted: [W]=WARN
[ 9.431148][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.431311][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.431484][ 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
[ 9.431941][ T167] RSP: 0018:ffa0000000847850 EFLAGS: 00010286
[ 9.432109][ T167] RAX: 00000000ffffffa6 RBX: ff1100001311fb40 RCX: 1ff4000000108ed0
[ 9.432307][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001311fbf0
[ 9.432508][ T167] RBP: ff1100000fe70000 R08: 1fe2200002623f7f R09: ff11000013192e58
[ 9.432700][ T167] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[ 9.432896][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005850900
[ 9.433100][ T167] FS: 0000000028118400(0000) GS:ff11000094e53000(0000) knlGS:0000000000000000
[ 9.433330][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.433503][ T167] CR2: 00007ff320d11000 CR3: 00000000132fc006 CR4: 0000000000771ef0
[ 9.433694][ T167] PKRU: 55555554
[ 9.433791][ T167] Call Trace:
[ 9.433887][ T167]
[ 9.433954][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.434091][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.434194][ T167] ? mark_held_locks+0x40/0x70
[ 9.434324][ T167] __dev_notify_flags+0x1b8/0x280
[ 9.434458][ T167] ? netif_change_name+0x8c0/0x8c0
[ 9.434587][ T167] ? __dev_change_flags+0x4a4/0x660
[ 9.434716][ T167] ? netif_set_allmulti+0x250/0x250
[ 9.434845][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 9.434975][ T167] netif_change_flags+0xfe/0x190
[ 9.435112][ T167] ? cap_capable+0x1d6/0x3e0
[ 9.435243][ T167] dev_change_flags+0xa5/0x170
[ 9.435373][ T167] devinet_ioctl+0x10f0/0x1840
[ 9.435509][ T167] ? inet_ifa_byprefix+0x220/0x220
[ 9.435640][ T167] ? _copy_from_user+0x42/0x90
[ 9.435771][ T167] inet_ioctl+0x34b/0x3a0
[ 9.435869][ T167] ? inet_dgram_connect+0x3e0/0x3e0
[ 9.435997][ T167] ? __lock_acquire+0x508/0xc10
[ 9.436140][ T167] ? __might_fault+0x97/0x140
[ 9.436270][ T167] ? __might_fault+0x97/0x140
[ 9.436399][ T167] sock_do_ioctl+0x10e/0x270
[ 9.436534][ T167] ? __sock_recv_cmsgs+0x550/0x550
[ 9.436665][ T167] ? ioctl_file_clone+0xd0/0xd0
[ 9.436796][ T167] sock_ioctl+0x3cb/0x5f0
[ 9.436894][ T167] ? br_ioctl_call+0x80/0x80
[ 9.437028][ T167] ? fd_install+0x19b/0x3d0
[ 9.437162][ T167] ? update_socket_protocol+0x10/0x10
[ 9.437289][ T167] ? alloc_file_clone+0xe0/0xe0
[ 9.437420][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.437555][ T167] do_syscall_64+0x117/0xfc0
[ 9.437685][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.437814][ T167] ? exc_page_fault+0xee/0x100
[ 9.437945][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.438117][ T167] RIP: 0033:0x47cc8d
[ 9.438219][ 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
[ 9.438681][ T167] RSP: 002b:00007ffc52d0fc60 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.438875][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.439077][ T167] RDX: 00007ffc52d0fcd0 RSI: 0000000000008914 RDI: 0000000000000006
[ 9.439268][ T167] RBP: 00007ffc52d0fcb0 R08: 0000000000000000 R09: 0000000000000000
[ 9.439466][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc52d10198
[ 9.439756][ T167] R13: 00007ffc52d10220 R14: 0000000000000002 R15: 0000000000543540
[ 9.439957][ T167]
[ 9.440060][ T167] irq event stamp: 36503
[ 9.440156][ T167] hardirqs last enabled at (36511): [] __up_console_sem+0x5a/0x70
[ 9.440466][ T167] hardirqs last disabled at (36520): [] __up_console_sem+0x3f/0x70
[ 9.440688][ T167] softirqs last enabled at (35946): [] __alloc_skb+0x4c5/0x5f0
[ 9.440999][ T167] softirqs last disabled at (35944): [] __alloc_skb+0x4c5/0x5f0
[ 9.441227][ T167] ---[ end trace 0000000000000000 ]---
[ 99.207209][ T167] ------------[ cut here ]------------
[ 99.207842][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 99.208332][ T167] Modules linked in:
[ 99.208750][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.209460][ T167] Tainted: [W]=WARN
[ 99.209802][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.210295][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.210735][ 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
[ 99.211667][ T167] RSP: 0018:ffa00000008476f0 EFLAGS: 00010286
[ 99.212150][ T167] RAX: 00000000ffffffa6 RBX: ff11000012605840 RCX: 1ff4000000108ea4
[ 99.212637][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000126058f0
[ 99.213171][ T167] RBP: ff1100000fe70000 R08: 1fe22000024c0b1f R09: ff11000013192e58
[ 99.213721][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[ 99.214187][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000847790
[ 99.214745][ T167] FS: 0000000000000000(0000) GS:ff11000094ed3000(0000) knlGS:0000000000000000
[ 99.215342][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.215779][ T167] CR2: 00007f6e51753000 CR3: 000000000b539006 CR4: 0000000000771ef0
[ 99.216323][ T167] PKRU: 55555554
[ 99.216708][ T167] Call Trace:
[ 99.217016][ T167]
[ 99.217356][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 99.217808][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 99.218029][ T167] netif_close_many+0x2ac/0x640
[ 99.218304][ T167] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 99.218586][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 99.218850][ T167] ? find_held_lock+0x2b/0x80
[ 99.219115][ T167] ? __dev_close_many+0x530/0x530
[ 99.219394][ T167] ? netif_close_many_and_unlock+0x22/0x2c0
[ 99.219735][ T167] unregister_netdevice_many_notify+0x671/0x19a0
[ 99.220090][ T167] ? select_fallback_rq+0x510/0x510
[ 99.220366][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 99.220697][ T167] ? find_held_lock+0x2b/0x80
[ 99.220965][ T167] ? find_held_lock+0x2b/0x80
[ 99.221230][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.221520][ T167] ? __queue_work+0x315/0xc00
[ 99.221789][ T167] unregister_netdevice_queue+0x290/0x470
[ 99.222055][ T167] ? mark_held_locks+0x40/0x70
[ 99.222330][ T167] ? unregister_netdevice_many+0x20/0x20
[ 99.222611][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.222881][ T167] ? queue_delayed_work_on+0x95/0x100
[ 99.223154][ T167] __tun_detach+0xf36/0x1320
[ 99.223519][ T167] tun_chr_close+0xac/0x1b0
[ 99.223791][ T167] __fput+0x363/0xac0
[ 99.224012][ T167] task_work_run+0x12b/0x240
[ 99.224278][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.224571][ T167] ? task_work_cancel+0x30/0x30
[ 99.224875][ T167] ? kmem_cache_free+0xf8/0x560
[ 99.225155][ T167] do_exit+0x614/0xdc0
[ 99.225415][ T167] ? exit_notify+0x890/0x890
[ 99.225701][ T167] ? find_held_lock+0x2b/0x80
[ 99.225982][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.226247][ T167] ? __rwlock_init+0x150/0x150
[ 99.226540][ T167] do_group_exit+0xb8/0x370
[ 99.226801][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 99.227117][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.227389][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 99.227671][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 99.227936][ T167] get_signal+0x172e/0x1820
[ 99.228206][ T167] ? __sys_sendto+0x2c9/0x400
[ 99.228499][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 99.228766][ T167] ? ptrace_signal+0x600/0x600
[ 99.229034][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 99.229309][ T167] ? get_sigframe_size+0x20/0x20
[ 99.229594][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.229859][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.230176][ T167] exit_to_user_mode_loop+0x86/0x520
[ 99.230461][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.230725][ T167] do_syscall_64+0x437/0xfc0
[ 99.230990][ T167] ? irq_exit_rcu+0x1a/0x30
[ 99.231253][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 99.231590][ T167] RIP: 0033:0x4c2d9e
[ 99.231810][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 99.232160][ T167] RSP: 002b:00007ffc52d0f5f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 99.232553][ T167] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 99.232923][ T167] RDX: 0000000000000014 RSI: 00007ffc52d0f6d0 RDI: 0000000000000007
[ 99.233301][ T167] RBP: 00007ffc52d0f600 R08: 00007ffc52d0f690 R09: 000000000000000c
[ 99.233680][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000028123340
[ 99.234051][ T167] R13: 00007ffc52d10220 R14: 00007ffc52d0f7c0 R15: 0000000000543540
[ 99.234456][ T167]
[ 99.234666][ T167] irq event stamp: 125388181
[ 99.234927][ T167] hardirqs last enabled at (125388191): [] __up_console_sem+0x5a/0x70
[ 99.235345][ T167] hardirqs last disabled at (125388200): [] __up_console_sem+0x3f/0x70
[ 99.235773][ T167] softirqs last enabled at (125387564): [] handle_softirqs+0x611/0x940
[ 99.236190][ T167] softirqs last disabled at (125387559): [] __irq_exit_rcu+0x103/0x1c0
[ 99.236608][ T167] ---[ end trace 0000000000000000 ]---
[ 99.245776][ T167] ------------[ cut here ]------------
[ 99.246055][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 99.246563][ T167] Modules linked in:
[ 99.246787][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.247311][ T167] Tainted: [W]=WARN
[ 99.247523][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.247824][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.248122][ 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
[ 99.248908][ T167] RSP: 0018:ffa0000000847820 EFLAGS: 00010286
[ 99.249202][ T167] RAX: 00000000ffffffa6 RBX: ff11000010b396c0 RCX: 1ff4000000108eca
[ 99.249559][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010b39770
[ 99.249891][ T167] RBP: ff1100000fe70000 R08: 1fe22000021672ef R09: ff11000013192e58
[ 99.250225][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 99.250578][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 99.250917][ T167] FS: 0000000000000000(0000) GS:ff11000094ed3000(0000) knlGS:0000000000000000
[ 99.251326][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.251644][ T167] CR2: 00007f6e51753000 CR3: 000000000b539006 CR4: 0000000000771ef0
[ 99.251988][ T167] PKRU: 55555554
[ 99.252189][ T167] Call Trace:
[ 99.252402][ T167]
[ 99.252578][ T167] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 99.252871][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 99.253157][ T167] ? find_held_lock+0x2b/0x80
[ 99.253416][ T167] ? find_held_lock+0x2b/0x80
[ 99.253690][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.253948][ T167] ? __queue_work+0x315/0xc00
[ 99.254206][ T167] unregister_netdevice_queue+0x290/0x470
[ 99.254492][ T167] ? mark_held_locks+0x40/0x70
[ 99.254751][ T167] ? unregister_netdevice_many+0x20/0x20
[ 99.255005][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.255257][ T167] ? queue_delayed_work_on+0x95/0x100
[ 99.255542][ T167] __tun_detach+0xf36/0x1320
[ 99.255802][ T167] tun_chr_close+0xac/0x1b0
[ 99.256056][ T167] __fput+0x363/0xac0
[ 99.256269][ T167] task_work_run+0x12b/0x240
[ 99.256550][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.256805][ T167] ? task_work_cancel+0x30/0x30
[ 99.257061][ T167] ? kmem_cache_free+0xf8/0x560
[ 99.257329][ T167] do_exit+0x614/0xdc0
[ 99.257555][ T167] ? exit_notify+0x890/0x890
[ 99.257809][ T167] ? find_held_lock+0x2b/0x80
[ 99.258067][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.258329][ T167] ? __rwlock_init+0x150/0x150
[ 99.258603][ T167] do_group_exit+0xb8/0x370
[ 99.258858][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 99.259164][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.259427][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 99.259762][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 99.260016][ T167] get_signal+0x172e/0x1820
[ 99.260274][ T167] ? __sys_sendto+0x2c9/0x400
[ 99.260550][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 99.260805][ T167] ? ptrace_signal+0x600/0x600
[ 99.261062][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 99.261326][ T167] ? get_sigframe_size+0x20/0x20
[ 99.261605][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.261863][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.262174][ T167] exit_to_user_mode_loop+0x86/0x520
[ 99.262454][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.262714][ T167] do_syscall_64+0x437/0xfc0
[ 99.262970][ T167] ? irq_exit_rcu+0x1a/0x30
[ 99.263223][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 99.263554][ T167] RIP: 0033:0x4c2d9e
[ 99.263769][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 99.264083][ T167] RSP: 002b:00007ffc52d0f5f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 99.264463][ T167] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 99.264819][ T167] RDX: 0000000000000014 RSI: 00007ffc52d0f6d0 RDI: 0000000000000007
[ 99.265174][ T167] RBP: 00007ffc52d0f600 R08: 00007ffc52d0f690 R09: 000000000000000c
[ 99.265549][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000028123340
[ 99.265902][ T167] R13: 00007ffc52d10220 R14: 00007ffc52d0f7c0 R15: 0000000000543540
[ 99.266268][ T167]
[ 99.266494][ T167] irq event stamp: 125399263
[ 99.266744][ T167] hardirqs last enabled at (125399273): [] __up_console_sem+0x5a/0x70
[ 99.267145][ T167] hardirqs last disabled at (125399282): [] __up_console_sem+0x3f/0x70
[ 99.267572][ T167] softirqs last enabled at (125398468): [] __alloc_skb+0x4c5/0x5f0
[ 99.267977][ T167] softirqs last disabled at (125398466): [] __alloc_skb+0x4c5/0x5f0
[ 99.268384][ T167] ---[ end trace 0000000000000000 ]---
[ 99.292410][ T67] ------------[ cut here ]------------
[ 99.292644][ T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: kworker/u16:1/67
[ 99.292934][ T67] Modules linked in:
[ 99.293062][ T67] CPU: 3 UID: 0 PID: 67 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.293355][ T67] Tainted: [W]=WARN
[ 99.293454][ T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.293612][ T67] Workqueue: netns cleanup_net
[ 99.293753][ T67] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.293916][ T67] 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
[ 99.294367][ T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[ 99.294533][ T67] RAX: 00000000ffffffa6 RBX: ff11000010b38dc0 RCX: 1ff4000000090ed5
[ 99.294720][ T67] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010b38e70
[ 99.294907][ T67] RBP: ff11000010959000 R08: 1fe22000021671cf R09: ff1100000f848bd0
[ 99.295093][ T67] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 99.295277][ T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 99.295487][ T67] FS: 0000000000000000(0000) GS:ff11000094f53000(0000) knlGS:0000000000000000
[ 99.295706][ T67] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.295868][ T67] CR2: 000055fa720ec2b8 CR3: 0000000012740005 CR4: 0000000000771ef0
[ 99.296059][ T67] PKRU: 55555554
[ 99.296153][ T67] Call Trace:
[ 99.296247][ T67]
[ 99.296320][ T67] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 99.296484][ T67] ? unregister_netdevice_queued+0x80/0x80
[ 99.296647][ T67] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 99.296775][ T67] default_device_exit_batch+0x38b/0x600
[ 99.296899][ T67] ? generic_xdp_install+0x400/0x400
[ 99.297026][ T67] ? ipmr_free_table+0x12e/0x2a0
[ 99.297158][ T67] ? unregister_netdev+0x60/0x60
[ 99.297288][ T67] ? rtnl_is_locked+0x15/0x20
[ 99.297413][ T67] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 99.297549][ T67] ops_undo_list+0x2ce/0x8f0
[ 99.297675][ T67] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 99.297799][ T67] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.297926][ T67] cleanup_net+0x431/0x890
[ 99.298053][ T67] ? net_passive_dec+0x1c0/0x1c0
[ 99.298177][ T67] ? process_one_work+0xdb7/0x1410
[ 99.298309][ T67] ? lock_acquire+0x134/0x160
[ 99.298433][ T67] ? rcu_is_watching+0x15/0xd0
[ 99.298605][ T67] process_one_work+0xdf8/0x1410
[ 99.298733][ T67] ? pwq_dec_nr_in_flight+0x710/0x710
[ 99.298856][ T67] ? lock_acquire.part.0+0xbc/0x260
[ 99.298986][ T67] worker_thread+0x4f1/0xd60
[ 99.299115][ T67] ? rescuer_thread+0x1320/0x1320
[ 99.299241][ T67] ? __kthread_parkme+0xbd/0x210
[ 99.299372][ T67] ? rescuer_thread+0x1320/0x1320
[ 99.299502][ T67] kthread+0x367/0x460
[ 99.299597][ T67] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.299753][ T67] ? kthread_affine_node+0x330/0x330
[ 99.299879][ T67] ret_from_fork+0x474/0x6b0
[ 99.300008][ T67] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 99.300165][ T67] ? __switch_to+0x5a3/0xe00
[ 99.300296][ T67] ? kthread_affine_node+0x330/0x330
[ 99.300421][ T67] ret_from_fork_asm+0x11/0x20
[ 99.300559][ T67]
[ 99.300652][ T67] irq event stamp: 2547
[ 99.300750][ T67] hardirqs last enabled at (2555): [] __up_console_sem+0x5a/0x70
[ 99.300966][ T67] hardirqs last disabled at (2562): [] __up_console_sem+0x3f/0x70
[ 99.301184][ T67] softirqs last enabled at (2220): [] handle_softirqs+0x611/0x940
[ 99.301409][ T67] softirqs last disabled at (2209): [] __irq_exit_rcu+0x103/0x1c0
[ 99.301629][ T67] ---[ end trace 0000000000000000 ]---