[ 10.226712][ T166] ------------[ cut here ]------------
[ 10.226932][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: unshare/166
[ 10.227212][ T166] Modules linked in:
[ 10.227344][ T166] CPU: 0 UID: 0 PID: 166 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 10.227690][ T166] Tainted: [W]=WARN
[ 10.227795][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.227972][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 10.228149][ 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
[ 10.228632][ T166] RSP: 0018:ffa00000007e7ab0 EFLAGS: 00010286
[ 10.228857][ T166] RAX: 00000000ffffffa6 RBX: ff110000026d27c0 RCX: 1ff40000000fcf1c
[ 10.229062][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026d2870
[ 10.229268][ T166] RBP: ff1100000c62c000 R08: 1fe22000004da50f R09: ff1100000d11d180
[ 10.229469][ T166] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 10.229678][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c62c000
[ 10.229887][ T166] FS: 00007fd45df42740(0000) GS:ff110000851d3000(0000) knlGS:0000000000000000
[ 10.230130][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.230311][ T166] CR2: 000055a8d86c7310 CR3: 000000000b26b002 CR4: 0000000000771ef0
[ 10.230519][ T166] PKRU: 55555554
[ 10.230623][ T166] Call Trace:
[ 10.230725][ T166]
[ 10.230797][ T166] ? ip6_route_dev_notify+0x250/0x380
[ 10.230943][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 10.231088][ T166] ? notifier_call_chain+0xb0/0x320
[ 10.231225][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 10.231335][ T166] register_netdevice+0x137a/0x1980
[ 10.231471][ T166] ? unregister_netdevice_queue+0x470/0x470
[ 10.231646][ T166] register_netdev+0x23/0x40
[ 10.231777][ T166] loopback_net_init+0x7d/0x150
[ 10.231915][ T166] ops_init+0x187/0x560
[ 10.232021][ T166] setup_net+0x11b/0x3b0
[ 10.232121][ T166] ? unregister_pernet_device+0x80/0x80
[ 10.232257][ T166] ? lockdep_init_map_type+0x5d/0x250
[ 10.232392][ T166] ? mutex_init_lockdep+0xf6/0x120
[ 10.232533][ T166] copy_net_ns+0x2fd/0x450
[ 10.232669][ T166] create_new_namespaces+0x371/0xa10
[ 10.232811][ T166] unshare_nsproxy_namespaces+0xa5/0x150
[ 10.232955][ T166] ksys_unshare+0x47e/0x8c0
[ 10.233095][ T166] ? walk_process_tree+0x350/0x350
[ 10.233231][ T166] __x64_sys_unshare+0x34/0x50
[ 10.233364][ T166] ? do_syscall_64+0x82/0xfc0
[ 10.233503][ T166] do_syscall_64+0x117/0xfc0
[ 10.233635][ T166] ? trace_hardirqs_off+0xd/0x30
[ 10.233769][ T166] ? exc_page_fault+0xee/0x100
[ 10.234006][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 10.234178][ T166] RIP: 0033:0x7fd45e03dbcb
[ 10.234324][ 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
[ 10.234905][ T166] RSP: 002b:00007fff0a5da9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 10.235200][ T166] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd45e03dbcb
[ 10.235400][ T166] RDX: 0000000000000000 RSI: 00007fff0a5da740 RDI: 0000000040000000
[ 10.235607][ T166] RBP: 00007fff0a5dad60 R08: 00007fff0a5da930 R09: 0000000000000000
[ 10.235895][ T166] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 10.236101][ T166] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055a8d86cab68
[ 10.236309][ T166]
[ 10.236502][ T166] irq event stamp: 22329
[ 10.236601][ T166] hardirqs last enabled at (22337): [] __up_console_sem+0x5a/0x70
[ 10.236830][ T166] hardirqs last disabled at (22344): [] __up_console_sem+0x3f/0x70
[ 10.237155][ T166] softirqs last enabled at (21836): [] __alloc_skb+0x4c5/0x5f0
[ 10.237387][ T166] softirqs last disabled at (21834): [] __alloc_skb+0x4c5/0x5f0
[ 10.237710][ T166] ---[ end trace 0000000000000000 ]---
[ 10.271722][ T166] ------------[ cut here ]------------
[ 10.271946][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: packetdrill/166
[ 10.272267][ T166] Modules linked in:
[ 10.272402][ T166] CPU: 1 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 10.272834][ T166] Tainted: [W]=WARN
[ 10.272969][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.273180][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 10.273394][ 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
[ 10.274045][ T166] RSP: 0018:ffa00000007e7b58 EFLAGS: 00010286
[ 10.274258][ T166] RAX: 00000000ffffffa6 RBX: ff110000094f5e40 RCX: 1ff40000000fcf31
[ 10.274506][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094f5ef0
[ 10.274759][ T166] RBP: ff1100000b030000 R08: 1fe220000129ebdf R09: ff1100000d11d158
[ 10.275041][ T166] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 10.275338][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b030000
[ 10.275645][ T166] FS: 0000000015d0f400(0000) GS:ff11000085253000(0000) knlGS:0000000000000000
[ 10.275944][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.276142][ T166] CR2: 00007f1a27673000 CR3: 000000000c6ae001 CR4: 0000000000771ef0
[ 10.276384][ T166] PKRU: 55555554
[ 10.276509][ T166] Call Trace:
[ 10.276627][ T166]
[ 10.276719][ T166] ? ip6_route_dev_notify+0x3d/0x380
[ 10.276889][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 10.277077][ T166] ? notifier_call_chain+0xb0/0x320
[ 10.277253][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 10.277378][ T166] register_netdevice+0x137a/0x1980
[ 10.277544][ T166] ? unregister_netdevice_queue+0x470/0x470
[ 10.277749][ T166] ? alloc_netdev_mqs+0xec0/0x1410
[ 10.277955][ T166] tun_set_iff.constprop.0+0xc61/0x1850
[ 10.278142][ T166] ? tun_attach.isra.0+0x1630/0x1630
[ 10.278322][ T166] ? tun_get+0x106/0x240
[ 10.278451][ T166] __tun_chr_ioctl+0x4b0/0x2470
[ 10.278644][ T166] ? build_open_flags+0x620/0x620
[ 10.278805][ T166] ? tun_chr_read_iter+0x210/0x210
[ 10.278967][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 10.279131][ T166] ? __x64_sys_openat+0x10e/0x210
[ 10.279302][ T166] ? fput_close_sync+0xde/0x1b0
[ 10.279494][ T166] ? __ia32_sys_open+0x1b0/0x1b0
[ 10.279690][ T166] __x64_sys_ioctl+0x11a/0x190
[ 10.279888][ T166] do_syscall_64+0x117/0xfc0
[ 10.280086][ T166] ? trace_hardirqs_off+0xd/0x30
[ 10.280266][ T166] ? exc_page_fault+0xee/0x100
[ 10.280434][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 10.280681][ T166] RIP: 0033:0x47cc8d
[ 10.280815][ 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
[ 10.281416][ T166] RSP: 002b:00007ffed240c540 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 10.281680][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 10.281949][ T166] RDX: 00007ffed240c5c0 RSI: 00000000400454ca RDI: 0000000000000005
[ 10.282215][ T166] RBP: 00007ffed240c590 R08: 0000000000000000 R09: 0000000000000000
[ 10.282494][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffed240ca98
[ 10.282758][ T166] R13: 00007ffed240cb20 R14: 0000000000000002 R15: 0000000000543540
[ 10.283064][ T166]
[ 10.283208][ T166] irq event stamp: 41241
[ 10.283350][ T166] hardirqs last enabled at (41249): [] __up_console_sem+0x5a/0x70
[ 10.283688][ T166] hardirqs last disabled at (41258): [] __up_console_sem+0x3f/0x70
[ 10.284021][ T166] softirqs last enabled at (40864): [] handle_softirqs+0x611/0x940
[ 10.284319][ T166] softirqs last disabled at (40853): [] __irq_exit_rcu+0x103/0x1c0
[ 10.284631][ T166] ---[ end trace 0000000000000000 ]---
[ 10.285286][ T166] ------------[ cut here ]------------
[ 10.285505][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: packetdrill/166
[ 10.285825][ T166] Modules linked in:
[ 10.285969][ T166] CPU: 1 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 10.286363][ T166] Tainted: [W]=WARN
[ 10.286487][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.286686][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 10.286919][ 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
[ 10.287530][ T166] RSP: 0018:ffa00000007e7c58 EFLAGS: 00010286
[ 10.287768][ T166] RAX: 00000000ffffffa6 RBX: ff110000094f5b40 RCX: 1ff40000000fcf51
[ 10.288052][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094f5bf0
[ 10.288337][ T166] RBP: ff1100000b030000 R08: 1fe220000129eb7f R09: ff1100000d11d158
[ 10.288623][ T166] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[ 10.288896][ T166] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[ 10.289148][ T166] FS: 0000000015d0f400(0000) GS:ff11000085253000(0000) knlGS:0000000000000000
[ 10.289446][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.289668][ T166] CR2: 00007f1a27673000 CR3: 000000000c6ae001 CR4: 0000000000771ef0
[ 10.289911][ T166] PKRU: 55555554
[ 10.290029][ T166] Call Trace:
[ 10.290157][ T166]
[ 10.290258][ T166] ? rcu_is_watching+0x15/0xd0
[ 10.290426][ T166] rtnetlink_event+0xe0/0x1f0
[ 10.290603][ T166] notifier_call_chain+0xb0/0x320
[ 10.290795][ T166] netdev_update_features+0xa9/0xb0
[ 10.290978][ T166] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 10.291179][ T166] __tun_chr_ioctl+0xc7f/0x2470
[ 10.291360][ T166] ? tun_chr_read_iter+0x210/0x210
[ 10.291562][ T166] ? fd_install+0x19b/0x3d0
[ 10.291754][ T166] ? update_socket_protocol+0x10/0x10
[ 10.291952][ T166] ? alloc_file_clone+0xe0/0xe0
[ 10.292147][ T166] __x64_sys_ioctl+0x11a/0x190
[ 10.292341][ T166] do_syscall_64+0x117/0xfc0
[ 10.292546][ T166] ? trace_hardirqs_off+0xd/0x30
[ 10.292736][ T166] ? exc_page_fault+0xee/0x100
[ 10.292932][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 10.293244][ T166] RIP: 0033:0x47cc8d
[ 10.293371][ 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
[ 10.294096][ T166] RSP: 002b:00007ffed240c580 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 10.294337][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 10.294712][ T166] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 10.294972][ T166] RBP: 00007ffed240c5d0 R08: 0000000000000005 R09: 0000000000001ff0
[ 10.295214][ T166] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffed240ca98
[ 10.295583][ T166] R13: 00007ffed240cb20 R14: 0000000000000002 R15: 0000000000543540
[ 10.295859][ T166]
[ 10.296006][ T166] irq event stamp: 41925
[ 10.296132][ T166] hardirqs last enabled at (41933): [] __up_console_sem+0x5a/0x70
[ 10.296559][ T166] hardirqs last disabled at (41942): [] __up_console_sem+0x3f/0x70
[ 10.296837][ T166] softirqs last enabled at (41500): [] __alloc_skb+0x4c5/0x5f0
[ 10.297225][ T166] softirqs last disabled at (41498): [] __alloc_skb+0x4c5/0x5f0
[ 10.297556][ T166] ---[ end trace 0000000000000000 ]---
[ 10.298500][ T166] ------------[ cut here ]------------
[ 10.298704][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: packetdrill/166
[ 10.299072][ T166] Modules linked in:
[ 10.299363][ T166] CPU: 1 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 10.299781][ T166] Tainted: [W]=WARN
[ 10.299918][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.300294][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 10.300530][ 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
[ 10.301310][ T166] RSP: 0018:ffa00000007e7850 EFLAGS: 00010286
[ 10.301558][ T166] RAX: 00000000ffffffa6 RBX: ff110000094f56c0 RCX: 1ff40000000fced0
[ 10.302000][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094f5770
[ 10.302310][ T166] RBP: ff1100000b030000 R08: 1fe220000129eaef R09: ff1100000d11d158
[ 10.302631][ T166] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[ 10.303089][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005868900
[ 10.303378][ T166] FS: 0000000015d0f400(0000) GS:ff11000085253000(0000) knlGS:0000000000000000
[ 10.303867][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.304106][ T166] CR2: 00007f1a27673000 CR3: 000000000c6ae001 CR4: 0000000000771ef0
[ 10.304395][ T166] PKRU: 55555554
[ 10.304539][ T166] Call Trace:
[ 10.304827][ T166]
[ 10.304928][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 10.305107][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 10.305265][ T166] ? mark_held_locks+0x40/0x70
[ 10.305471][ T166] __dev_notify_flags+0x1b8/0x280
[ 10.305847][ T166] ? netif_change_name+0x8c0/0x8c0
[ 10.306052][ T166] ? __dev_change_flags+0x4a4/0x660
[ 10.306227][ T166] ? netif_set_allmulti+0x250/0x250
[ 10.306394][ T166] ? lock_acquire.part.0+0xbc/0x260
[ 10.306727][ T166] netif_change_flags+0xfe/0x190
[ 10.306898][ T166] ? cap_capable+0x1d6/0x3e0
[ 10.307076][ T166] dev_change_flags+0xa5/0x170
[ 10.307254][ T166] devinet_ioctl+0x10f0/0x1840
[ 10.307594][ T166] ? inet_ifa_byprefix+0x220/0x220
[ 10.307772][ T166] ? _copy_from_user+0x42/0x90
[ 10.307975][ T166] inet_ioctl+0x34b/0x3a0
[ 10.308113][ T166] ? inet_dgram_connect+0x3e0/0x3e0
[ 10.308422][ T166] ? __lock_acquire+0x508/0xc10
[ 10.308623][ T166] ? __might_fault+0x97/0x140
[ 10.308793][ T166] ? __might_fault+0x97/0x140
[ 10.309265][ T166] sock_do_ioctl+0x10e/0x270
[ 10.309638][ T166] ? __sock_recv_cmsgs+0x550/0x550
[ 10.309847][ T166] ? ioctl_file_clone+0xd0/0xd0
[ 10.310036][ T166] sock_ioctl+0x3cb/0x5f0
[ 10.310176][ T166] ? br_ioctl_call+0x80/0x80
[ 10.310507][ T166] ? fd_install+0x19b/0x3d0
[ 10.310683][ T166] ? update_socket_protocol+0x10/0x10
[ 10.310856][ T166] ? alloc_file_clone+0xe0/0xe0
[ 10.311060][ T166] __x64_sys_ioctl+0x11a/0x190
[ 10.311357][ T166] do_syscall_64+0x117/0xfc0
[ 10.311537][ T166] ? trace_hardirqs_off+0xd/0x30
[ 10.311713][ T166] ? exc_page_fault+0xee/0x100
[ 10.311884][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 10.312235][ T166] RIP: 0033:0x47cc8d
[ 10.312389][ 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
[ 10.313227][ T166] RSP: 002b:00007ffed240c560 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 10.313570][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 10.313846][ T166] RDX: 00007ffed240c5d0 RSI: 0000000000008914 RDI: 0000000000000006
[ 10.314270][ T166] RBP: 00007ffed240c5b0 R08: 0000000000000005 R09: 0000000000001ff0
[ 10.314547][ T166] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffed240ca98
[ 10.314949][ T166] R13: 00007ffed240cb20 R14: 0000000000000002 R15: 0000000000543540
[ 10.315236][ T166]
[ 10.315376][ T166] irq event stamp: 42861
[ 10.315517][ T166] hardirqs last enabled at (42871): [] __up_console_sem+0x5a/0x70
[ 10.315930][ T166] hardirqs last disabled at (42878): [] __up_console_sem+0x3f/0x70
[ 10.316256][ T166] softirqs last enabled at (42290): [] __alloc_skb+0x4c5/0x5f0
[ 10.316568][ T166] softirqs last disabled at (42288): [] __alloc_skb+0x4c5/0x5f0
[ 10.316906][ T166] ---[ end trace 0000000000000000 ]---
[ 99.969178][ T166] ------------[ cut here ]------------
[ 99.969414][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: packetdrill/166
[ 99.969706][ T166] Modules linked in:
[ 99.969816][ T166] CPU: 1 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.970132][ T166] Tainted: [W]=WARN
[ 99.970301][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.970601][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.970779][ 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
[ 99.971258][ T166] RSP: 0018:ffa00000007e76f0 EFLAGS: 00010286
[ 99.971423][ T166] RAX: 00000000ffffffa6 RBX: ff1100000a8544c0 RCX: 1ff40000000fcea4
[ 99.971694][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a854570
[ 99.971891][ T166] RBP: ff1100000b030000 R08: 1fe220000150a8af R09: ff1100000d11d158
[ 99.972086][ T166] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[ 99.972287][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000007e7790
[ 99.972589][ T166] FS: 0000000000000000(0000) GS:ff11000085253000(0000) knlGS:0000000000000000
[ 99.972819][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.973044][ T166] CR2: 00007f1a27673000 CR3: 0000000034939004 CR4: 0000000000771ef0
[ 99.973306][ T166] PKRU: 55555554
[ 99.973410][ T166] Call Trace:
[ 99.973602][ T166]
[ 99.973672][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 99.973807][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 99.973905][ T166] netif_close_many+0x2ac/0x640
[ 99.974037][ T166] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 99.974177][ T166] ? lock_acquire.part.0+0xbc/0x260
[ 99.974362][ T166] ? find_held_lock+0x2b/0x80
[ 99.974572][ T166] ? __dev_close_many+0x530/0x530
[ 99.974705][ T166] ? netif_close_many_and_unlock+0x22/0x2c0
[ 99.974868][ T166] unregister_netdevice_many_notify+0x671/0x19a0
[ 99.975033][ T166] ? select_fallback_rq+0x510/0x510
[ 99.975165][ T166] ? unregister_netdevice_queued+0x80/0x80
[ 99.975327][ T166] ? find_held_lock+0x2b/0x80
[ 99.975457][ T166] ? find_held_lock+0x2b/0x80
[ 99.975686][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.975819][ T166] ? __queue_work+0x315/0xc00
[ 99.975951][ T166] unregister_netdevice_queue+0x290/0x470
[ 99.976082][ T166] ? mark_held_locks+0x40/0x70
[ 99.976218][ T166] ? unregister_netdevice_many+0x20/0x20
[ 99.976350][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.976539][ T166] ? queue_delayed_work_on+0x95/0x100
[ 99.976674][ T166] __tun_detach+0xf36/0x1320
[ 99.976808][ T166] tun_chr_close+0xac/0x1b0
[ 99.976937][ T166] __fput+0x363/0xac0
[ 99.977040][ T166] task_work_run+0x12b/0x240
[ 99.977171][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.977302][ T166] ? task_work_cancel+0x30/0x30
[ 99.977431][ T166] ? kmem_cache_free+0xf8/0x560
[ 99.977628][ T166] do_exit+0x614/0xdc0
[ 99.977729][ T166] ? exit_notify+0x890/0x890
[ 99.977858][ T166] ? find_held_lock+0x2b/0x80
[ 99.977989][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.978119][ T166] ? __rwlock_init+0x150/0x150
[ 99.978250][ T166] do_group_exit+0xb8/0x370
[ 99.978385][ T166] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 99.978612][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.978746][ T166] ? _raw_spin_unlock_irq+0x28/0x50
[ 99.978874][ T166] ? _raw_spin_unlock_irq+0x33/0x50
[ 99.979009][ T166] get_signal+0x172e/0x1820
[ 99.979141][ T166] ? __sys_sendto+0x2c9/0x400
[ 99.979273][ T166] ? __ia32_sys_getpeername+0xd0/0xd0
[ 99.979400][ T166] ? __might_fault+0x97/0x140
[ 99.979596][ T166] ? ptrace_signal+0x600/0x600
[ 99.979730][ T166] arch_do_signal_or_restart+0xc2/0x3a0
[ 99.979863][ T166] ? get_sigframe_size+0x20/0x20
[ 99.979996][ T166] ? rcu_is_watching+0x15/0xd0
[ 99.980126][ T166] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.980290][ T166] exit_to_user_mode_loop+0x86/0x520
[ 99.980423][ T166] ? rcu_is_watching+0x15/0xd0
[ 99.980619][ T166] do_syscall_64+0x437/0xfc0
[ 99.980750][ T166] ? irq_exit_rcu+0x1a/0x30
[ 99.980914][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 99.981078][ T166] RIP: 0033:0x4c2d9e
[ 99.981188][ T166] Code: Unable to access opcode bytes at 0x4c2d74.
[ 99.981384][ T166] RSP: 002b:00007ffed240bef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 99.981661][ T166] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 99.981867][ T166] RDX: 0000000000000014 RSI: 00007ffed240bfd0 RDI: 0000000000000007
[ 99.982067][ T166] RBP: 00007ffed240bf00 R08: 00007ffed240bf90 R09: 000000000000000c
[ 99.982273][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed240ca98
[ 99.982470][ T166] R13: 00007ffed240cb20 R14: 00007ffed240c0c0 R15: 0000000000543540
[ 99.982743][ T166]
[ 99.982843][ T166] irq event stamp: 106384339
[ 99.982974][ T166] hardirqs last enabled at (106384347): [] __up_console_sem+0x5a/0x70
[ 99.983202][ T166] hardirqs last disabled at (106384354): [] __up_console_sem+0x3f/0x70
[ 99.983431][ T166] softirqs last enabled at (106384328): [] handle_softirqs+0x611/0x940
[ 99.983727][ T166] softirqs last disabled at (106384371): [] __irq_exit_rcu+0x103/0x1c0
[ 99.983961][ T166] ---[ end trace 0000000000000000 ]---
[ 99.996216][ T166] ------------[ cut here ]------------
[ 99.996398][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: packetdrill/166
[ 99.996692][ T166] Modules linked in:
[ 99.996796][ T166] CPU: 1 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.997092][ T166] Tainted: [W]=WARN
[ 99.997191][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.997357][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.997529][ 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
[ 99.997996][ T166] RSP: 0018:ffa00000007e7820 EFLAGS: 00010286
[ 99.998158][ T166] RAX: 00000000ffffffa6 RBX: ff1100000a8553c0 RCX: 1ff40000000fceca
[ 99.998353][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a855470
[ 99.998560][ T166] RBP: ff1100000b030000 R08: 1fe220000150aa8f R09: ff1100000d11d158
[ 99.998756][ T166] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 99.998949][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 99.999150][ T166] FS: 0000000000000000(0000) GS:ff11000085253000(0000) knlGS:0000000000000000
[ 99.999406][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.999599][ T166] CR2: 00007f1a27673000 CR3: 0000000034939004 CR4: 0000000000771ef0
[ 99.999808][ T166] PKRU: 55555554
[ 99.999902][ T166] Call Trace:
[ 99.999998][ T166]
[ 100.000069][ T166] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 100.000236][ T166] ? unregister_netdevice_queued+0x80/0x80
[ 100.000393][ T166] ? find_held_lock+0x2b/0x80
[ 100.000525][ T166] ? find_held_lock+0x2b/0x80
[ 100.000691][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 100.000890][ T166] ? __queue_work+0x315/0xc00
[ 100.001032][ T166] unregister_netdevice_queue+0x290/0x470
[ 100.001161][ T166] ? mark_held_locks+0x40/0x70
[ 100.001291][ T166] ? unregister_netdevice_many+0x20/0x20
[ 100.001440][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 100.002275][ T166] ? queue_delayed_work_on+0x95/0x100
[ 100.002421][ T166] __tun_detach+0xf36/0x1320
[ 100.002969][ T166] tun_chr_close+0xac/0x1b0
[ 100.003115][ T166] __fput+0x363/0xac0
[ 100.003236][ T166] task_work_run+0x12b/0x240
[ 100.003373][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 100.003510][ T166] ? task_work_cancel+0x30/0x30
[ 100.003649][ T166] ? kmem_cache_free+0xf8/0x560
[ 100.003779][ T166] do_exit+0x614/0xdc0
[ 100.003878][ T166] ? exit_notify+0x890/0x890
[ 100.004007][ T166] ? find_held_lock+0x2b/0x80
[ 100.004135][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 100.004264][ T166] ? __rwlock_init+0x150/0x150
[ 100.004393][ T166] do_group_exit+0xb8/0x370
[ 100.004527][ T166] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 100.004701][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 100.004835][ T166] ? _raw_spin_unlock_irq+0x28/0x50
[ 100.004964][ T166] ? _raw_spin_unlock_irq+0x33/0x50
[ 100.005091][ T166] get_signal+0x172e/0x1820
[ 100.005225][ T166] ? __sys_sendto+0x2c9/0x400
[ 100.005354][ T166] ? __ia32_sys_getpeername+0xd0/0xd0
[ 100.005485][ T166] ? __might_fault+0x97/0x140
[ 100.005619][ T166] ? ptrace_signal+0x600/0x600
[ 100.005749][ T166] arch_do_signal_or_restart+0xc2/0x3a0
[ 100.005881][ T166] ? get_sigframe_size+0x20/0x20
[ 100.006014][ T166] ? rcu_is_watching+0x15/0xd0
[ 100.006143][ T166] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 100.006307][ T166] exit_to_user_mode_loop+0x86/0x520
[ 100.006438][ T166] ? rcu_is_watching+0x15/0xd0
[ 100.006577][ T166] do_syscall_64+0x437/0xfc0
[ 100.006711][ T166] ? irq_exit_rcu+0x1a/0x30
[ 100.006839][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 100.006999][ T166] RIP: 0033:0x4c2d9e
[ 100.007103][ T166] Code: Unable to access opcode bytes at 0x4c2d74.
[ 100.007269][ T166] RSP: 002b:00007ffed240bef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 100.007465][ T166] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 100.007664][ T166] RDX: 0000000000000014 RSI: 00007ffed240bfd0 RDI: 0000000000000007
[ 100.007853][ T166] RBP: 00007ffed240bf00 R08: 00007ffed240bf90 R09: 000000000000000c
[ 100.008045][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed240ca98
[ 100.008238][ T166] R13: 00007ffed240cb20 R14: 00007ffed240c0c0 R15: 0000000000543540
[ 100.008435][ T166]
[ 100.008535][ T166] irq event stamp: 106403613
[ 100.008668][ T166] hardirqs last enabled at (106403621): [] __up_console_sem+0x5a/0x70
[ 100.008894][ T166] hardirqs last disabled at (106403628): [] __up_console_sem+0x3f/0x70
[ 100.009115][ T166] softirqs last enabled at (106403280): [] handle_softirqs+0x611/0x940
[ 100.009340][ T166] softirqs last disabled at (106402669): [] __irq_exit_rcu+0x103/0x1c0
[ 100.009568][ T166] ---[ end trace 0000000000000000 ]---
[ 100.024773][ T12] ------------[ cut here ]------------
[ 100.024966][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: kworker/u16:0/12
[ 100.025241][ T12] Modules linked in:
[ 100.025404][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 100.025728][ T12] Tainted: [W]=WARN
[ 100.025826][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 100.025988][ T12] Workqueue: netns cleanup_net
[ 100.026155][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 100.026318][ 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
[ 100.026797][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 100.026955][ T12] RAX: 00000000ffffffa6 RBX: ff1100000a855e40 RCX: 1ff4000000018ed5
[ 100.027149][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a855ef0
[ 100.027332][ T12] RBP: ff1100000c62c000 R08: 1fe220000150abdf R09: ff11000001afd1d0
[ 100.027516][ T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 100.027706][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 100.027890][ T12] FS: 0000000000000000(0000) GS:ff110000851d3000(0000) knlGS:0000000000000000
[ 100.028105][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 100.028255][ T12] CR2: 00007f6d91f93f98 CR3: 0000000004a48004 CR4: 0000000000771ef0
[ 100.028436][ T12] PKRU: 55555554
[ 100.028558][ T12] Call Trace:
[ 100.028675][ T12]
[ 100.028741][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 100.028905][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 100.029056][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 100.029179][ T12] default_device_exit_batch+0x38b/0x600
[ 100.029307][ T12] ? generic_xdp_install+0x400/0x400
[ 100.029429][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 100.029563][ T12] ? unregister_netdev+0x60/0x60
[ 100.029686][ T12] ? rtnl_is_locked+0x15/0x20
[ 100.029804][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 100.029927][ T12] ops_undo_list+0x2ce/0x8f0
[ 100.030049][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 100.030169][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 100.030297][ T12] cleanup_net+0x431/0x890
[ 100.030419][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 100.030644][ T12] ? process_one_work+0xdb7/0x1410
[ 100.030772][ T12] ? lock_acquire+0x134/0x160
[ 100.030896][ T12] ? rcu_is_watching+0x15/0xd0
[ 100.031092][ T12] process_one_work+0xdf8/0x1410
[ 100.031216][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 100.031335][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 100.031456][ T12] worker_thread+0x4f1/0xd60
[ 100.031622][ T12] ? rescuer_thread+0x1320/0x1320
[ 100.031748][ T12] kthread+0x367/0x460
[ 100.031843][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 100.032003][ T12] ? kthread_affine_node+0x330/0x330
[ 100.032134][ T12] ret_from_fork+0x474/0x6b0
[ 100.032269][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 100.032417][ T12] ? __switch_to+0x5a3/0xe00
[ 100.032554][ T12] ? kthread_affine_node+0x330/0x330
[ 100.032676][ T12] ret_from_fork_asm+0x11/0x20
[ 100.032803][ T12]
[ 100.032892][ T12] irq event stamp: 3015
[ 100.032982][ T12] hardirqs last enabled at (3023): [] __up_console_sem+0x5a/0x70
[ 100.033199][ T12] hardirqs last disabled at (3032): [] __up_console_sem+0x3f/0x70
[ 100.033414][ T12] softirqs last enabled at (2930): [] handle_softirqs+0x611/0x940
[ 100.033634][ T12] softirqs last disabled at (2875): [] __irq_exit_rcu+0x103/0x1c0
[ 100.033843][ T12] ---[ end trace 0000000000000000 ]---