[ 8.741389][ T167] ------------[ cut here ]------------
[ 8.741606][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: unshare/167
[ 8.741892][ T167] Modules linked in:
[ 8.742065][ T167] CPU: 0 UID: 0 PID: 167 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.742369][ T167] Tainted: [W]=WARN
[ 8.742472][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.742646][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.742826][ 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
[ 8.743347][ T167] RSP: 0018:ffa0000000787ab0 EFLAGS: 00010286
[ 8.743521][ T167] RAX: 00000000ffffffa6 RBX: ff110000055939c0 RCX: 1ff40000000f0f1c
[ 8.743727][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005593a70
[ 8.743938][ T167] RBP: ff11000008969000 R08: 1fe2200000ab274f R09: ff110000136d2e80
[ 8.744150][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.744354][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008969000
[ 8.744560][ T167] FS: 00007f808df17740(0000) GS:ff110000875d3000(0000) knlGS:0000000000000000
[ 8.744801][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.744998][ T167] CR2: 000055ae73456310 CR3: 00000000143c5002 CR4: 0000000000771ef0
[ 8.745208][ T167] PKRU: 55555554
[ 8.745311][ T167] Call Trace:
[ 8.745414][ T167]
[ 8.745487][ T167] ? ip6_route_dev_notify+0x250/0x380
[ 8.745625][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.745761][ T167] ? notifier_call_chain+0xb0/0x320
[ 8.745904][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 8.746026][ T167] register_netdevice+0x137a/0x1980
[ 8.746165][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 8.746336][ T167] register_netdev+0x23/0x40
[ 8.746471][ T167] loopback_net_init+0x7d/0x150
[ 8.746609][ T167] ops_init+0x187/0x560
[ 8.746713][ T167] setup_net+0x11b/0x3b0
[ 8.746817][ T167] ? unregister_pernet_device+0x80/0x80
[ 8.746958][ T167] ? lockdep_init_map_type+0x5d/0x250
[ 8.747101][ T167] ? mutex_init_lockdep+0xf6/0x120
[ 8.747238][ T167] copy_net_ns+0x2fd/0x450
[ 8.747375][ T167] create_new_namespaces+0x371/0xa10
[ 8.747512][ T167] unshare_nsproxy_namespaces+0xa5/0x150
[ 8.747647][ T167] ksys_unshare+0x47e/0x8c0
[ 8.747784][ T167] ? walk_process_tree+0x350/0x350
[ 8.747930][ T167] __x64_sys_unshare+0x34/0x50
[ 8.748070][ T167] ? do_syscall_64+0x82/0xfc0
[ 8.748207][ T167] do_syscall_64+0x117/0xfc0
[ 8.748341][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.748478][ T167] ? exc_page_fault+0xee/0x100
[ 8.748613][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.748781][ T167] RIP: 0033:0x7f808e012bcb
[ 8.748927][ 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
[ 8.749411][ T167] RSP: 002b:00007fffc063e778 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 8.749625][ T167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f808e012bcb
[ 8.749827][ T167] RDX: 0000000000000000 RSI: 00007fffc063e4e0 RDI: 0000000040000000
[ 8.750043][ T167] RBP: 00007fffc063eb00 R08: 00007fffc063e6d0 R09: 0000000000000000
[ 8.750245][ T167] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 8.750448][ T167] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055ae73459b68
[ 8.750657][ T167]
[ 8.750759][ T167] irq event stamp: 12493
[ 8.750861][ T167] hardirqs last enabled at (12501): [] __up_console_sem+0x5a/0x70
[ 8.751105][ T167] hardirqs last disabled at (12510): [] __up_console_sem+0x3f/0x70
[ 8.751339][ T167] softirqs last enabled at (12002): [] __alloc_skb+0x4c5/0x5f0
[ 8.751572][ T167] softirqs last disabled at (12000): [] __alloc_skb+0x4c5/0x5f0
[ 8.751808][ T167] ---[ end trace 0000000000000000 ]---
[ 8.775216][ T167] ------------[ cut here ]------------
[ 8.775375][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/167
[ 8.775628][ T167] Modules linked in:
[ 8.775730][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.776026][ T167] Tainted: [W]=WARN
[ 8.776122][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.776280][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.776441][ 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
[ 8.776885][ T167] RSP: 0018:ffa0000000787b58 EFLAGS: 00010286
[ 8.777047][ T167] RAX: 00000000ffffffa6 RBX: ff11000009bb6dc0 RCX: 1ff40000000f0f31
[ 8.777233][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009bb6e70
[ 8.777416][ T167] RBP: ff11000011f40000 R08: 1fe2200001376dcf R09: ff110000136d2e58
[ 8.777605][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.777790][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011f40000
[ 8.777981][ T167] FS: 0000000031c1e400(0000) GS:ff110000875d3000(0000) knlGS:0000000000000000
[ 8.778207][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.778363][ T167] CR2: 00007f6842a70000 CR3: 0000000004b98003 CR4: 0000000000771ef0
[ 8.778549][ T167] PKRU: 55555554
[ 8.778642][ T167] Call Trace:
[ 8.778736][ T167]
[ 8.778803][ T167] ? ip6_route_dev_notify+0x3d/0x380
[ 8.778932][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.779062][ T167] ? notifier_call_chain+0xb0/0x320
[ 8.779188][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 8.779281][ T167] register_netdevice+0x137a/0x1980
[ 8.779408][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 8.779563][ T167] ? alloc_netdev_mqs+0xec0/0x1410
[ 8.779692][ T167] tun_set_iff.constprop.0+0xc61/0x1850
[ 8.779819][ T167] ? tun_attach.isra.0+0x1630/0x1630
[ 8.779948][ T167] ? tun_get+0x106/0x240
[ 8.780049][ T167] __tun_chr_ioctl+0x4b0/0x2470
[ 8.780171][ T167] ? build_open_flags+0x620/0x620
[ 8.780297][ T167] ? tun_chr_read_iter+0x210/0x210
[ 8.780421][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 8.780550][ T167] ? __x64_sys_openat+0x10e/0x210
[ 8.780672][ T167] ? fput_close_sync+0xde/0x1b0
[ 8.780796][ T167] ? __ia32_sys_open+0x1b0/0x1b0
[ 8.780927][ T167] __x64_sys_ioctl+0x11a/0x190
[ 8.781058][ T167] do_syscall_64+0x117/0xfc0
[ 8.781182][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.781307][ T167] ? exc_page_fault+0xee/0x100
[ 8.781431][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.781587][ T167] RIP: 0033:0x47cc8d
[ 8.781686][ 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
[ 8.782131][ T167] RSP: 002b:00007ffc7643c090 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.782317][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.782502][ T167] RDX: 00007ffc7643c110 RSI: 00000000400454ca RDI: 0000000000000005
[ 8.782688][ T167] RBP: 00007ffc7643c0e0 R08: 0000000000000000 R09: 0000000000000000
[ 8.782873][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc7643c5e8
[ 8.783068][ T167] R13: 00007ffc7643c670 R14: 0000000000000002 R15: 0000000000543540
[ 8.783257][ T167]
[ 8.783350][ T167] irq event stamp: 33725
[ 8.783443][ T167] hardirqs last enabled at (33733): [] __up_console_sem+0x5a/0x70
[ 8.783662][ T167] hardirqs last disabled at (33740): [] __up_console_sem+0x3f/0x70
[ 8.783880][ T167] softirqs last enabled at (33476): [] handle_softirqs+0x611/0x940
[ 8.784098][ T167] softirqs last disabled at (33471): [] __irq_exit_rcu+0x103/0x1c0
[ 8.784311][ T167] ---[ end trace 0000000000000000 ]---
[ 8.784733][ T167] ------------[ cut here ]------------
[ 8.784855][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/167
[ 8.785106][ T167] Modules linked in:
[ 8.785201][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.785478][ T167] Tainted: [W]=WARN
[ 8.785572][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.785725][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.785887][ 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
[ 8.786328][ T167] RSP: 0018:ffa0000000787c58 EFLAGS: 00010286
[ 8.786483][ T167] RAX: 00000000ffffffa6 RBX: ff11000009bb67c0 RCX: 1ff40000000f0f51
[ 8.786670][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009bb6870
[ 8.786854][ T167] RBP: ff11000011f40000 R08: 1fe2200001376d0f R09: ff110000136d2e58
[ 8.787048][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[ 8.787229][ T167] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[ 8.787413][ T167] FS: 0000000031c1e400(0000) GS:ff110000875d3000(0000) knlGS:0000000000000000
[ 8.787627][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.787786][ T167] CR2: 00007f6842a70000 CR3: 0000000004b98003 CR4: 0000000000771ef0
[ 8.787975][ T167] PKRU: 55555554
[ 8.788072][ T167] Call Trace:
[ 8.788163][ T167]
[ 8.788227][ T167] ? rcu_is_watching+0x15/0xd0
[ 8.788353][ T167] rtnetlink_event+0xe0/0x1f0
[ 8.788476][ T167] notifier_call_chain+0xb0/0x320
[ 8.788602][ T167] netdev_update_features+0xa9/0xb0
[ 8.788726][ T167] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 8.788886][ T167] __tun_chr_ioctl+0xc7f/0x2470
[ 8.789018][ T167] ? tun_chr_read_iter+0x210/0x210
[ 8.789145][ T167] ? fd_install+0x19b/0x3d0
[ 8.789273][ T167] ? update_socket_protocol+0x10/0x10
[ 8.789399][ T167] ? alloc_file_clone+0xe0/0xe0
[ 8.789525][ T167] __x64_sys_ioctl+0x11a/0x190
[ 8.789651][ T167] do_syscall_64+0x117/0xfc0
[ 8.789778][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.789907][ T167] ? exc_page_fault+0xee/0x100
[ 8.790035][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.790190][ T167] RIP: 0033:0x47cc8d
[ 8.790290][ 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
[ 8.790731][ T167] RSP: 002b:00007ffc7643c0d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.790922][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.791114][ T167] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 8.791301][ T167] RBP: 00007ffc7643c120 R08: 0000000000000000 R09: 0000000000000000
[ 8.791488][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc7643c5e8
[ 8.791670][ T167] R13: 00007ffc7643c670 R14: 0000000000000002 R15: 0000000000543540
[ 8.791862][ T167]
[ 8.791960][ T167] irq event stamp: 34395
[ 8.792057][ T167] hardirqs last enabled at (34405): [] __up_console_sem+0x5a/0x70
[ 8.792269][ T167] hardirqs last disabled at (34412): [] __up_console_sem+0x3f/0x70
[ 8.792483][ T167] softirqs last enabled at (33980): [] __alloc_skb+0x4c5/0x5f0
[ 8.792698][ T167] softirqs last disabled at (33978): [] __alloc_skb+0x4c5/0x5f0
[ 8.792914][ T167] ---[ end trace 0000000000000000 ]---
[ 8.793396][ T167] ------------[ cut here ]------------
[ 8.793526][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/167
[ 8.793782][ T167] Modules linked in:
[ 8.793889][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.794191][ T167] Tainted: [W]=WARN
[ 8.794292][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.794455][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.794625][ 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
[ 8.795104][ T167] RSP: 0018:ffa0000000787850 EFLAGS: 00010286
[ 8.795270][ T167] RAX: 00000000ffffffa6 RBX: ff11000009bb6ac0 RCX: 1ff40000000f0ed0
[ 8.795466][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009bb6b70
[ 8.795664][ T167] RBP: ff11000011f40000 R08: 1fe2200001376d6f R09: ff110000136d2e58
[ 8.795859][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[ 8.796062][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000057a0900
[ 8.796260][ T167] FS: 0000000031c1e400(0000) GS:ff110000875d3000(0000) knlGS:0000000000000000
[ 8.796493][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.796659][ T167] CR2: 00007f6842a70000 CR3: 0000000004b98003 CR4: 0000000000771ef0
[ 8.796855][ T167] PKRU: 55555554
[ 8.796956][ T167] Call Trace:
[ 8.797059][ T167]
[ 8.797127][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.797261][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 8.797365][ T167] ? mark_held_locks+0x40/0x70
[ 8.797498][ T167] __dev_notify_flags+0x1b8/0x280
[ 8.797629][ T167] ? netif_change_name+0x8c0/0x8c0
[ 8.797761][ T167] ? __dev_change_flags+0x4a4/0x660
[ 8.797898][ T167] ? netif_set_allmulti+0x250/0x250
[ 8.798040][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 8.798175][ T167] netif_change_flags+0xfe/0x190
[ 8.798309][ T167] ? cap_capable+0x1d6/0x3e0
[ 8.798443][ T167] dev_change_flags+0xa5/0x170
[ 8.798576][ T167] devinet_ioctl+0x10f0/0x1840
[ 8.798710][ T167] ? inet_ifa_byprefix+0x220/0x220
[ 8.798842][ T167] ? _copy_from_user+0x42/0x90
[ 8.798980][ T167] inet_ioctl+0x34b/0x3a0
[ 8.799087][ T167] ? inet_dgram_connect+0x3e0/0x3e0
[ 8.799218][ T167] ? __lock_acquire+0x508/0xc10
[ 8.799356][ T167] ? __might_fault+0x97/0x140
[ 8.799492][ T167] ? __might_fault+0x97/0x140
[ 8.799625][ T167] sock_do_ioctl+0x10e/0x270
[ 8.799758][ T167] ? __sock_recv_cmsgs+0x550/0x550
[ 8.799905][ T167] ? ioctl_file_clone+0xd0/0xd0
[ 8.800046][ T167] sock_ioctl+0x3cb/0x5f0
[ 8.800147][ T167] ? br_ioctl_call+0x80/0x80
[ 8.800279][ T167] ? fd_install+0x19b/0x3d0
[ 8.800414][ T167] ? update_socket_protocol+0x10/0x10
[ 8.800548][ T167] ? alloc_file_clone+0xe0/0xe0
[ 8.800683][ T167] __x64_sys_ioctl+0x11a/0x190
[ 8.800815][ T167] do_syscall_64+0x117/0xfc0
[ 8.800951][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.801087][ T167] ? exc_page_fault+0xee/0x100
[ 8.801218][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.801380][ T167] RIP: 0033:0x47cc8d
[ 8.801486][ 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
[ 8.802055][ T167] RSP: 002b:00007ffc7643c0b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.802252][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.802533][ T167] RDX: 00007ffc7643c120 RSI: 0000000000008914 RDI: 0000000000000006
[ 8.802728][ T167] RBP: 00007ffc7643c100 R08: 0000000000000000 R09: 0000000000000000
[ 8.803016][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc7643c5e8
[ 8.803214][ T167] R13: 00007ffc7643c670 R14: 0000000000000002 R15: 0000000000543540
[ 8.803414][ T167]
[ 8.803512][ T167] irq event stamp: 35293
[ 8.803694][ T167] hardirqs last enabled at (35301): [] __up_console_sem+0x5a/0x70
[ 8.803923][ T167] hardirqs last disabled at (35308): [] __up_console_sem+0x3f/0x70
[ 8.804242][ T167] softirqs last enabled at (35002): [] handle_softirqs+0x611/0x940
[ 8.804473][ T167] softirqs last disabled at (34991): [] __irq_exit_rcu+0x103/0x1c0
[ 8.804701][ T167] ---[ end trace 0000000000000000 ]---
[ 98.582969][ T167] ------------[ cut here ]------------
[ 98.583182][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/167
[ 98.583458][ T167] Modules linked in:
[ 98.583568][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.583875][ T167] Tainted: [W]=WARN
[ 98.583977][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.584206][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.584388][ 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
[ 98.584861][ T167] RSP: 0018:ffa00000007876f0 EFLAGS: 00010286
[ 98.585129][ T167] RAX: 00000000ffffffa6 RBX: ff110000141664c0 RCX: 1ff40000000f0ea4
[ 98.585334][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000014166570
[ 98.585535][ T167] RBP: ff11000011f40000 R08: 1fe220000282ccaf R09: ff110000136d2e58
[ 98.585732][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[ 98.585929][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000787790
[ 98.586230][ T167] FS: 0000000000000000(0000) GS:ff110000875d3000(0000) knlGS:0000000000000000
[ 98.586466][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.586634][ T167] CR2: 000055b24e0d1c30 CR3: 00000000137f3002 CR4: 0000000000771ef0
[ 98.586835][ T167] PKRU: 55555554
[ 98.586938][ T167] Call Trace:
[ 98.587093][ T167]
[ 98.587164][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 98.587312][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 98.587413][ T167] netif_close_many+0x2ac/0x640
[ 98.587549][ T167] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 98.587687][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 98.587821][ T167] ? find_held_lock+0x2b/0x80
[ 98.587953][ T167] ? __dev_close_many+0x530/0x530
[ 98.588178][ T167] ? netif_close_many_and_unlock+0x22/0x2c0
[ 98.588352][ T167] unregister_netdevice_many_notify+0x671/0x19a0
[ 98.588522][ T167] ? select_fallback_rq+0x510/0x510
[ 98.588656][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 98.588821][ T167] ? find_held_lock+0x2b/0x80
[ 98.588955][ T167] ? find_held_lock+0x2b/0x80
[ 98.589179][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.589320][ T167] ? __queue_work+0x315/0xc00
[ 98.589454][ T167] unregister_netdevice_queue+0x290/0x470
[ 98.589588][ T167] ? mark_held_locks+0x40/0x70
[ 98.589721][ T167] ? unregister_netdevice_many+0x20/0x20
[ 98.589854][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.589990][ T167] ? queue_delayed_work_on+0x95/0x100
[ 98.590181][ T167] __tun_detach+0xf36/0x1320
[ 98.590322][ T167] tun_chr_close+0xac/0x1b0
[ 98.590455][ T167] __fput+0x363/0xac0
[ 98.590559][ T167] task_work_run+0x12b/0x240
[ 98.590692][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.590825][ T167] ? task_work_cancel+0x30/0x30
[ 98.590960][ T167] ? kmem_cache_free+0xf8/0x560
[ 98.591188][ T167] do_exit+0x614/0xdc0
[ 98.591293][ T167] ? exit_notify+0x890/0x890
[ 98.591424][ T167] ? find_held_lock+0x2b/0x80
[ 98.591557][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.591691][ T167] ? __rwlock_init+0x150/0x150
[ 98.591825][ T167] do_group_exit+0xb8/0x370
[ 98.591959][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.592213][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.592351][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.592484][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.592618][ T167] get_signal+0x172e/0x1820
[ 98.592753][ T167] ? __sys_sendto+0x2c9/0x400
[ 98.592888][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.593077][ T167] ? ptrace_signal+0x600/0x600
[ 98.593213][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.593356][ T167] ? get_sigframe_size+0x20/0x20
[ 98.593493][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.593627][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.593793][ T167] exit_to_user_mode_loop+0x86/0x520
[ 98.593926][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.594154][ T167] do_syscall_64+0x437/0xfc0
[ 98.594293][ T167] ? irq_exit_rcu+0x1a/0x30
[ 98.594426][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.594591][ T167] RIP: 0033:0x4c2d9e
[ 98.594701][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.594885][ T167] RSP: 002b:00007ffc7643ba40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.595168][ T167] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 98.595370][ T167] RDX: 0000000000000014 RSI: 00007ffc7643bb20 RDI: 0000000000000007
[ 98.595570][ T167] RBP: 00007ffc7643ba50 R08: 00007ffc7643bae0 R09: 000000000000000c
[ 98.595769][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000031c27930
[ 98.595971][ T167] R13: 00007ffc7643c670 R14: 00007ffc7643bc10 R15: 0000000000543540
[ 98.596235][ T167]
[ 98.596334][ T167] irq event stamp: 131893349
[ 98.596466][ T167] hardirqs last enabled at (131893357): [] __up_console_sem+0x5a/0x70
[ 98.596699][ T167] hardirqs last disabled at (131893364): [] __up_console_sem+0x3f/0x70
[ 98.596930][ T167] softirqs last enabled at (131893338): [] handle_softirqs+0x611/0x940
[ 98.597214][ T167] softirqs last disabled at (131893381): [] __irq_exit_rcu+0x103/0x1c0
[ 98.597451][ T167] ---[ end trace 0000000000000000 ]---
[ 98.608614][ T167] ------------[ cut here ]------------
[ 98.608765][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/167
[ 98.609031][ T167] Modules linked in:
[ 98.609133][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.609429][ T167] Tainted: [W]=WARN
[ 98.609526][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.609687][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.609856][ 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
[ 98.610327][ T167] RSP: 0018:ffa0000000787820 EFLAGS: 00010286
[ 98.610491][ T167] RAX: 00000000ffffffa6 RBX: ff110000141673c0 RCX: 1ff40000000f0eca
[ 98.610686][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000014167470
[ 98.610878][ T167] RBP: ff11000011f40000 R08: 1fe220000282ce8f R09: ff110000136d2e58
[ 98.611078][ T167] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.611278][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.611473][ T167] FS: 0000000000000000(0000) GS:ff110000875d3000(0000) knlGS:0000000000000000
[ 98.611700][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.611863][ T167] CR2: 000055b24e0d1c30 CR3: 00000000137f3002 CR4: 0000000000771ef0
[ 98.612065][ T167] PKRU: 55555554
[ 98.612163][ T167] Call Trace:
[ 98.612263][ T167]
[ 98.612332][ T167] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.612498][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 98.612659][ T167] ? find_held_lock+0x2b/0x80
[ 98.612789][ T167] ? find_held_lock+0x2b/0x80
[ 98.612919][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.613055][ T167] ? __queue_work+0x315/0xc00
[ 98.613186][ T167] unregister_netdevice_queue+0x290/0x470
[ 98.613319][ T167] ? mark_held_locks+0x40/0x70
[ 98.613447][ T167] ? unregister_netdevice_many+0x20/0x20
[ 98.613578][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.613706][ T167] ? queue_delayed_work_on+0x95/0x100
[ 98.613834][ T167] __tun_detach+0xf36/0x1320
[ 98.613967][ T167] tun_chr_close+0xac/0x1b0
[ 98.614099][ T167] __fput+0x363/0xac0
[ 98.614200][ T167] task_work_run+0x12b/0x240
[ 98.614333][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.614464][ T167] ? task_work_cancel+0x30/0x30
[ 98.614595][ T167] ? kmem_cache_free+0xf8/0x560
[ 98.614728][ T167] do_exit+0x614/0xdc0
[ 98.614825][ T167] ? exit_notify+0x890/0x890
[ 98.614952][ T167] ? find_held_lock+0x2b/0x80
[ 98.615086][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.615214][ T167] ? __rwlock_init+0x150/0x150
[ 98.615352][ T167] do_group_exit+0xb8/0x370
[ 98.615483][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.615647][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.615778][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.615906][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.616046][ T167] get_signal+0x172e/0x1820
[ 98.616177][ T167] ? __sys_sendto+0x2c9/0x400
[ 98.616312][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.616443][ T167] ? ptrace_signal+0x600/0x600
[ 98.616576][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.616707][ T167] ? get_sigframe_size+0x20/0x20
[ 98.616839][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.616971][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.617137][ T167] exit_to_user_mode_loop+0x86/0x520
[ 98.617269][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.617402][ T167] do_syscall_64+0x437/0xfc0
[ 98.617532][ T167] ? irq_exit_rcu+0x1a/0x30
[ 98.617660][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.617820][ T167] RIP: 0033:0x4c2d9e
[ 98.617922][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.618094][ T167] RSP: 002b:00007ffc7643ba40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.618296][ T167] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 98.618490][ T167] RDX: 0000000000000014 RSI: 00007ffc7643bb20 RDI: 0000000000000007
[ 98.618683][ T167] RBP: 00007ffc7643ba50 R08: 00007ffc7643bae0 R09: 000000000000000c
[ 98.618873][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000031c27930
[ 98.619071][ T167] R13: 00007ffc7643c670 R14: 00007ffc7643bc10 R15: 0000000000543540
[ 98.619274][ T167]
[ 98.619372][ T167] irq event stamp: 131911573
[ 98.619503][ T167] hardirqs last enabled at (131911581): [] __up_console_sem+0x5a/0x70
[ 98.619731][ T167] hardirqs last disabled at (131911588): [] __up_console_sem+0x3f/0x70
[ 98.619957][ T167] softirqs last enabled at (131911382): [] handle_softirqs+0x611/0x940
[ 98.620187][ T167] softirqs last disabled at (131911365): [] __irq_exit_rcu+0x103/0x1c0
[ 98.620417][ T167] ---[ end trace 0000000000000000 ]---
[ 98.637837][ T12] ------------[ cut here ]------------
[ 98.638562][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: kworker/u16:0/12
[ 98.638856][ T12] Modules linked in:
[ 98.638984][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.639515][ T12] Tainted: [W]=WARN
[ 98.639670][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.639919][ T12] Workqueue: netns cleanup_net
[ 98.640298][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.640456][ 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
[ 98.640922][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 98.641172][ T12] RAX: 00000000ffffffa6 RBX: ff11000014167e40 RCX: 1ff4000000018ed5
[ 98.641358][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000014167ef0
[ 98.641548][ T12] RBP: ff11000008969000 R08: 1fe220000282cfdf R09: ff11000001afd1d0
[ 98.641734][ T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.641914][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.642107][ T12] FS: 0000000000000000(0000) GS:ff11000087653000(0000) knlGS:0000000000000000
[ 98.642324][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.642478][ T12] CR2: 00007f2751de0680 CR3: 0000000009bfc005 CR4: 0000000000771ef0
[ 98.642660][ T12] PKRU: 55555554
[ 98.642751][ T12] Call Trace:
[ 98.642841][ T12]
[ 98.642906][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.643112][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 98.643274][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 98.643396][ T12] default_device_exit_batch+0x38b/0x600
[ 98.643517][ T12] ? generic_xdp_install+0x400/0x400
[ 98.643637][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 98.643759][ T12] ? unregister_netdev+0x60/0x60
[ 98.643880][ T12] ? rtnl_is_locked+0x15/0x20
[ 98.644004][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 98.644127][ T12] ops_undo_list+0x2ce/0x8f0
[ 98.644258][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 98.644377][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.644501][ T12] cleanup_net+0x431/0x890
[ 98.644625][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 98.644745][ T12] ? process_one_work+0xdb7/0x1410
[ 98.644868][ T12] ? lock_acquire+0x134/0x160
[ 98.644988][ T12] ? rcu_is_watching+0x15/0xd0
[ 98.645145][ T12] process_one_work+0xdf8/0x1410
[ 98.645278][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 98.645402][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 98.645526][ T12] worker_thread+0x4f1/0xd60
[ 98.645650][ T12] ? rescuer_thread+0x1320/0x1320
[ 98.645770][ T12] kthread+0x367/0x460
[ 98.645863][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.646022][ T12] ? kthread_affine_node+0x330/0x330
[ 98.646143][ T12] ret_from_fork+0x474/0x6b0
[ 98.646270][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 98.646420][ T12] ? __switch_to+0x5a3/0xe00
[ 98.646541][ T12] ? kthread_affine_node+0x330/0x330
[ 98.646664][ T12] ret_from_fork_asm+0x11/0x20
[ 98.646807][ T12]
[ 98.646896][ T12] irq event stamp: 4897
[ 98.646987][ T12] hardirqs last enabled at (4905): [] __up_console_sem+0x5a/0x70
[ 98.647202][ T12] hardirqs last disabled at (4914): [] __up_console_sem+0x3f/0x70
[ 98.647414][ T12] softirqs last enabled at (4590): [] handle_softirqs+0x611/0x940
[ 98.647624][ T12] softirqs last disabled at (4573): [] __irq_exit_rcu+0x103/0x1c0
[ 98.647837][ T12] ---[ end trace 0000000000000000 ]---