[ 9.185928][ T167] ------------[ cut here ]------------
[ 9.186143][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: unshare/167
[ 9.186421][ T167] Modules linked in:
[ 9.186642][ T167] CPU: 3 UID: 0 PID: 167 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.186915][ T167] Tainted: [W]=WARN
[ 9.187018][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.187212][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.187392][ 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
[ 9.188038][ T167] RSP: 0018:ffa0000000817ab0 EFLAGS: 00010286
[ 9.188242][ T167] RAX: 00000000ffffffa6 RBX: ff11000009b2c7c0 RCX: 1ff4000000102f1c
[ 9.188537][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b2c870
[ 9.188763][ T167] RBP: ff11000009e59000 R08: 1fe220000136590f R09: ff1100000cae2e80
[ 9.189067][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.189288][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009e59000
[ 9.189499][ T167] FS: 00007fc80a01b740(0000) GS:ff1100008ed53000(0000) knlGS:0000000000000000
[ 9.189744][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.189922][ T167] CR2: 0000560a68ff9310 CR3: 000000000d5b2001 CR4: 0000000000771ef0
[ 9.190168][ T167] PKRU: 55555554
[ 9.190280][ T167] Call Trace:
[ 9.190383][ T167]
[ 9.190453][ T167] ? ip6_route_dev_notify+0x250/0x380
[ 9.190603][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.190747][ T167] ? notifier_call_chain+0xb0/0x320
[ 9.190884][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.190989][ T167] register_netdevice+0x137a/0x1980
[ 9.191126][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 9.191296][ T167] register_netdev+0x23/0x40
[ 9.191431][ T167] loopback_net_init+0x7d/0x150
[ 9.191576][ T167] ops_init+0x187/0x560
[ 9.191687][ T167] setup_net+0x11b/0x3b0
[ 9.191790][ T167] ? unregister_pernet_device+0x80/0x80
[ 9.191925][ T167] ? lockdep_init_map_type+0x5d/0x250
[ 9.192063][ T167] ? mutex_init_lockdep+0xf6/0x120
[ 9.192295][ T167] copy_net_ns+0x2fd/0x450
[ 9.192431][ T167] create_new_namespaces+0x371/0xa10
[ 9.192578][ T167] unshare_nsproxy_namespaces+0xa5/0x150
[ 9.192722][ T167] ksys_unshare+0x47e/0x8c0
[ 9.192944][ T167] ? walk_process_tree+0x350/0x350
[ 9.193085][ T167] __x64_sys_unshare+0x34/0x50
[ 9.193219][ T167] ? do_syscall_64+0x82/0xfc0
[ 9.193353][ T167] do_syscall_64+0x117/0xfc0
[ 9.193583][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.193724][ T167] ? exc_page_fault+0xee/0x100
[ 9.193857][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.194025][ T167] RIP: 0033:0x7fc80a116bcb
[ 9.194259][ 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
[ 9.194848][ T167] RSP: 002b:00007fff04303cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 9.195068][ T167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc80a116bcb
[ 9.195366][ T167] RDX: 0000000000000000 RSI: 00007fff04303a30 RDI: 0000000040000000
[ 9.195832][ T167] RBP: 00007fff04304050 R08: 00007fff04303c20 R09: 0000000000000000
[ 9.196098][ T167] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 9.196314][ T167] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000560a68ffcb68
[ 9.196625][ T167]
[ 9.196731][ T167] irq event stamp: 11863
[ 9.196833][ T167] hardirqs last enabled at (11871): [] __up_console_sem+0x5a/0x70
[ 9.197157][ T167] hardirqs last disabled at (11878): [] __up_console_sem+0x3f/0x70
[ 9.197397][ T167] softirqs last enabled at (11366): [] __alloc_skb+0x4c5/0x5f0
[ 9.197726][ T167] softirqs last disabled at (11364): [] __alloc_skb+0x4c5/0x5f0
[ 9.197960][ T167] ---[ end trace 0000000000000000 ]---
[ 9.229958][ T167] ------------[ cut here ]------------
[ 9.230120][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/167
[ 9.230380][ T167] Modules linked in:
[ 9.230555][ T167] CPU: 3 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.230855][ T167] Tainted: [W]=WARN
[ 9.230950][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.231109][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.231274][ 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
[ 9.231754][ T167] RSP: 0018:ffa0000000817b58 EFLAGS: 00010286
[ 9.231917][ T167] RAX: 00000000ffffffa6 RBX: ff1100000907e640 RCX: 1ff4000000102f31
[ 9.232104][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000907e6f0
[ 9.232291][ T167] RBP: ff1100000b060000 R08: 1fe220000120fcdf R09: ff1100000cae2e58
[ 9.232487][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.232745][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b060000
[ 9.233025][ T167] FS: 000000000cc80400(0000) GS:ff1100008ed53000(0000) knlGS:0000000000000000
[ 9.233353][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.233574][ T167] CR2: 00007f280bdb1000 CR3: 000000000d5ad002 CR4: 0000000000771ef0
[ 9.233764][ T167] PKRU: 55555554
[ 9.233866][ T167] Call Trace:
[ 9.233960][ T167]
[ 9.234026][ T167] ? ip6_route_dev_notify+0x3d/0x380
[ 9.234155][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.234281][ T167] ? notifier_call_chain+0xb0/0x320
[ 9.234407][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.234507][ T167] register_netdevice+0x137a/0x1980
[ 9.234641][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 9.234798][ T167] ? alloc_netdev_mqs+0xec0/0x1410
[ 9.234925][ T167] tun_set_iff.constprop.0+0xc61/0x1850
[ 9.235055][ T167] ? tun_attach.isra.0+0x1630/0x1630
[ 9.235180][ T167] ? tun_get+0x106/0x240
[ 9.235277][ T167] __tun_chr_ioctl+0x4b0/0x2470
[ 9.235400][ T167] ? build_open_flags+0x620/0x620
[ 9.235533][ T167] ? tun_chr_read_iter+0x210/0x210
[ 9.235667][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 9.235795][ T167] ? __x64_sys_openat+0x10e/0x210
[ 9.235920][ T167] ? fput_close_sync+0xde/0x1b0
[ 9.236047][ T167] ? __ia32_sys_open+0x1b0/0x1b0
[ 9.236171][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.236298][ T167] do_syscall_64+0x117/0xfc0
[ 9.236426][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.236558][ T167] ? exc_page_fault+0xee/0x100
[ 9.236691][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.236844][ T167] RIP: 0033:0x47cc8d
[ 9.236946][ 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
[ 9.237387][ T167] RSP: 002b:00007ffc36c6a820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.237592][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.237779][ T167] RDX: 00007ffc36c6a8a0 RSI: 00000000400454ca RDI: 0000000000000005
[ 9.237965][ T167] RBP: 00007ffc36c6a870 R08: 0000000000000000 R09: 0000000000000000
[ 9.238151][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc36c6ad78
[ 9.238338][ T167] R13: 00007ffc36c6ae00 R14: 0000000000000002 R15: 0000000000543540
[ 9.238537][ T167]
[ 9.238637][ T167] irq event stamp: 41063
[ 9.238731][ T167] hardirqs last enabled at (41071): [] __up_console_sem+0x5a/0x70
[ 9.238949][ T167] hardirqs last disabled at (41078): [] __up_console_sem+0x3f/0x70
[ 9.239164][ T167] softirqs last enabled at (40588): [] __alloc_skb+0x4c5/0x5f0
[ 9.239378][ T167] softirqs last disabled at (40586): [] __alloc_skb+0x4c5/0x5f0
[ 9.239598][ T167] ---[ end trace 0000000000000000 ]---
[ 9.240045][ T167] ------------[ cut here ]------------
[ 9.240173][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/167
[ 9.240419][ T167] Modules linked in:
[ 9.240527][ T167] CPU: 3 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.240815][ T167] Tainted: [W]=WARN
[ 9.240908][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.241065][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.241226][ 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
[ 9.241676][ T167] RSP: 0018:ffa0000000817c58 EFLAGS: 00010286
[ 9.241833][ T167] RAX: 00000000ffffffa6 RBX: ff1100000907e4c0 RCX: 1ff4000000102f51
[ 9.242023][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000907e570
[ 9.242209][ T167] RBP: ff1100000b060000 R08: 1fe220000120fcaf R09: ff1100000cae2e58
[ 9.242393][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[ 9.242587][ T167] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[ 9.242777][ T167] FS: 000000000cc80400(0000) GS:ff1100008ed53000(0000) knlGS:0000000000000000
[ 9.242995][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.243150][ T167] CR2: 00007f280bdb1000 CR3: 000000000d5ad002 CR4: 0000000000771ef0
[ 9.243336][ T167] PKRU: 55555554
[ 9.243429][ T167] Call Trace:
[ 9.243525][ T167]
[ 9.243596][ T167] ? rcu_is_watching+0x15/0xd0
[ 9.243722][ T167] rtnetlink_event+0xe0/0x1f0
[ 9.243847][ T167] notifier_call_chain+0xb0/0x320
[ 9.243977][ T167] netdev_update_features+0xa9/0xb0
[ 9.244103][ T167] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 9.244261][ T167] __tun_chr_ioctl+0xc7f/0x2470
[ 9.244387][ T167] ? tun_chr_read_iter+0x210/0x210
[ 9.244516][ T167] ? fd_install+0x19b/0x3d0
[ 9.244652][ T167] ? update_socket_protocol+0x10/0x10
[ 9.244777][ T167] ? alloc_file_clone+0xe0/0xe0
[ 9.244904][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.245034][ T167] do_syscall_64+0x117/0xfc0
[ 9.245159][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.245284][ T167] ? exc_page_fault+0xee/0x100
[ 9.245410][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.245578][ T167] RIP: 0033:0x47cc8d
[ 9.245677][ 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
[ 9.246123][ T167] RSP: 002b:00007ffc36c6a860 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.246308][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.246500][ T167] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 9.246690][ T167] RBP: 00007ffc36c6a8b0 R08: 0000000000000000 R09: 0000000000000000
[ 9.246875][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc36c6ad78
[ 9.247060][ T167] R13: 00007ffc36c6ae00 R14: 0000000000000002 R15: 0000000000543540
[ 9.247251][ T167]
[ 9.247344][ T167] irq event stamp: 41733
[ 9.247436][ T167] hardirqs last enabled at (41741): [] __up_console_sem+0x5a/0x70
[ 9.247661][ T167] hardirqs last disabled at (41750): [] __up_console_sem+0x3f/0x70
[ 9.247878][ T167] softirqs last enabled at (41318): [] __alloc_skb+0x4c5/0x5f0
[ 9.248095][ T167] softirqs last disabled at (41316): [] __alloc_skb+0x4c5/0x5f0
[ 9.248307][ T167] ---[ end trace 0000000000000000 ]---
[ 9.248893][ T167] ------------[ cut here ]------------
[ 9.249027][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/167
[ 9.249287][ T167] Modules linked in:
[ 9.249490][ T167] CPU: 3 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.249794][ T167] Tainted: [W]=WARN
[ 9.249895][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.250146][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.250319][ 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
[ 9.250887][ T167] RSP: 0018:ffa0000000817850 EFLAGS: 00010286
[ 9.251053][ T167] RAX: 00000000ffffffa6 RBX: ff1100000907f840 RCX: 1ff4000000102ed0
[ 9.251331][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000907f8f0
[ 9.251535][ T167] RBP: ff1100000b060000 R08: 1fe220000120ff1f R09: ff1100000cae2e58
[ 9.251737][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[ 9.252017][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058c8900
[ 9.252214][ T167] FS: 000000000cc80400(0000) GS:ff1100008ed53000(0000) knlGS:0000000000000000
[ 9.252535][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.252707][ T167] CR2: 00007f280bdb1000 CR3: 000000000d5ad002 CR4: 0000000000771ef0
[ 9.252903][ T167] PKRU: 55555554
[ 9.253001][ T167] Call Trace:
[ 9.253182][ T167]
[ 9.253251][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.253384][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 9.253492][ T167] ? mark_held_locks+0x40/0x70
[ 9.253631][ T167] __dev_notify_flags+0x1b8/0x280
[ 9.253848][ T167] ? netif_change_name+0x8c0/0x8c0
[ 9.253978][ T167] ? __dev_change_flags+0x4a4/0x660
[ 9.254110][ T167] ? netif_set_allmulti+0x250/0x250
[ 9.254241][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 9.254464][ T167] netif_change_flags+0xfe/0x190
[ 9.254604][ T167] ? cap_capable+0x1d6/0x3e0
[ 9.254738][ T167] dev_change_flags+0xa5/0x170
[ 9.254872][ T167] devinet_ioctl+0x10f0/0x1840
[ 9.255090][ T167] ? inet_ifa_byprefix+0x220/0x220
[ 9.255223][ T167] ? _copy_from_user+0x42/0x90
[ 9.255358][ T167] inet_ioctl+0x34b/0x3a0
[ 9.255463][ T167] ? inet_dgram_connect+0x3e0/0x3e0
[ 9.255683][ T167] ? __lock_acquire+0x508/0xc10
[ 9.255822][ T167] ? __might_fault+0x97/0x140
[ 9.255957][ T167] ? __might_fault+0x97/0x140
[ 9.256091][ T167] sock_do_ioctl+0x10e/0x270
[ 9.256306][ T167] ? __sock_recv_cmsgs+0x550/0x550
[ 9.256439][ T167] ? ioctl_file_clone+0xd0/0xd0
[ 9.256584][ T167] sock_ioctl+0x3cb/0x5f0
[ 9.256685][ T167] ? br_ioctl_call+0x80/0x80
[ 9.256900][ T167] ? fd_install+0x19b/0x3d0
[ 9.257038][ T167] ? update_socket_protocol+0x10/0x10
[ 9.257170][ T167] ? alloc_file_clone+0xe0/0xe0
[ 9.257331][ T167] __x64_sys_ioctl+0x11a/0x190
[ 9.257552][ T167] do_syscall_64+0x117/0xfc0
[ 9.257688][ T167] ? trace_hardirqs_off+0xd/0x30
[ 9.257820][ T167] ? exc_page_fault+0xee/0x100
[ 9.257952][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.258203][ T167] RIP: 0033:0x47cc8d
[ 9.258306][ 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
[ 9.258948][ T167] RSP: 002b:00007ffc36c6a840 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.259242][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 9.259509][ T167] RDX: 00007ffc36c6a8b0 RSI: 0000000000008914 RDI: 0000000000000006
[ 9.259800][ T167] RBP: 00007ffc36c6a890 R08: 0000000000000000 R09: 0000000000000000
[ 9.259998][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc36c6ad78
[ 9.260280][ T167] R13: 00007ffc36c6ae00 R14: 0000000000000002 R15: 0000000000543540
[ 9.260492][ T167]
[ 9.260599][ T167] irq event stamp: 42621
[ 9.260698][ T167] hardirqs last enabled at (42629): [] __up_console_sem+0x5a/0x70
[ 9.261015][ T167] hardirqs last disabled at (42636): [] __up_console_sem+0x3f/0x70
[ 9.261245][ T167] softirqs last enabled at (42060): [] __alloc_skb+0x4c5/0x5f0
[ 9.261573][ T167] softirqs last disabled at (42058): [] __alloc_skb+0x4c5/0x5f0
[ 9.261803][ T167] ---[ end trace 0000000000000000 ]---
[ 99.033450][ T167] ------------[ cut here ]------------
[ 99.033669][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/167
[ 99.033980][ T167] Modules linked in:
[ 99.034092][ T167] CPU: 3 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.034389][ T167] Tainted: [W]=WARN
[ 99.034495][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.034659][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.034839][ 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
[ 99.035305][ T167] RSP: 0018:ffa0000000817720 EFLAGS: 00010286
[ 99.035530][ T167] RAX: 00000000ffffffa6 RBX: ff110000028ebcc0 RCX: 1ff4000000102eaa
[ 99.035724][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000028ebd70
[ 99.035950][ T167] RBP: ff1100000b060000 R08: 1fe220000051d7af R09: ff1100000cae2e58
[ 99.036158][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[ 99.036365][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008177c0
[ 99.036627][ T167] FS: 0000000000000000(0000) GS:ff1100008ed53000(0000) knlGS:0000000000000000
[ 99.036872][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.037046][ T167] CR2: 00007fb2d4fe86f0 CR3: 0000000037b39006 CR4: 0000000000771ef0
[ 99.037302][ T167] PKRU: 55555554
[ 99.037465][ T167] Call Trace:
[ 99.037568][ T167]
[ 99.037641][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 99.037778][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 99.037887][ T167] netif_close_many+0x2ac/0x640
[ 99.038024][ T167] ? find_held_lock+0x2b/0x80
[ 99.038161][ T167] ? __dev_close_many+0x530/0x530
[ 99.038295][ T167] ? netif_close_many_and_unlock+0x22/0x2c0
[ 99.038556][ T167] unregister_netdevice_many_notify+0x671/0x19a0
[ 99.038727][ T167] ? select_fallback_rq+0x510/0x510
[ 99.038867][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 99.039032][ T167] ? find_held_lock+0x2b/0x80
[ 99.039165][ T167] ? find_held_lock+0x2b/0x80
[ 99.039300][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.039436][ T167] ? __queue_work+0x315/0xc00
[ 99.039627][ T167] unregister_netdevice_queue+0x290/0x470
[ 99.039762][ T167] ? unregister_netdevice_many+0x20/0x20
[ 99.039901][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.040039][ T167] ? queue_delayed_work_on+0x95/0x100
[ 99.040175][ T167] __tun_detach+0xf36/0x1320
[ 99.040315][ T167] tun_chr_close+0xac/0x1b0
[ 99.040448][ T167] __fput+0x363/0xac0
[ 99.040644][ T167] task_work_run+0x12b/0x240
[ 99.040778][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.040918][ T167] ? task_work_cancel+0x30/0x30
[ 99.041053][ T167] ? kmem_cache_free+0xf8/0x560
[ 99.041190][ T167] do_exit+0x614/0xdc0
[ 99.041291][ T167] ? exit_notify+0x890/0x890
[ 99.041424][ T167] ? find_held_lock+0x2b/0x80
[ 99.041648][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.041784][ T167] ? __rwlock_init+0x150/0x150
[ 99.041926][ T167] do_group_exit+0xb8/0x370
[ 99.042062][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 99.042228][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.042363][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 99.042552][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 99.042687][ T167] get_signal+0x172e/0x1820
[ 99.042829][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.042966][ T167] ? ptrace_signal+0x600/0x600
[ 99.043103][ T167] ? finish_task_switch.isra.0+0x216/0x990
[ 99.043271][ T167] ? __switch_to+0x5a3/0xe00
[ 99.043407][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.043634][ T167] ? trace_sched_exit_tp+0x9b/0x180
[ 99.043775][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 99.043917][ T167] ? get_sigframe_size+0x20/0x20
[ 99.044055][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.044188][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.044356][ T167] irqentry_exit+0x2b0/0x710
[ 99.044581][ T167] ? __irq_exit_rcu+0x7c/0x1c0
[ 99.044717][ T167] ? irq_exit_rcu+0x1a/0x30
[ 99.044857][ T167] asm_sysvec_call_function_single+0x1a/0x20
[ 99.045025][ T167] RIP: 0033:0x4c2d9e
[ 99.045133][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 99.045319][ T167] RSP: 002b:00007ffc36c6a1d0 EFLAGS: 00000202
[ 99.045549][ T167] RAX: 0000000000000014 RBX: 00007ffc36c6a260 RCX: 00000000004c2d9e
[ 99.045752][ T167] RDX: 0000000000000000 RSI: 00007ffc36c6a270 RDI: 0000000000000007
[ 99.045965][ T167] RBP: 00007ffc36c6a1e0 R08: 0000000000000000 R09: 0000000000000000
[ 99.046165][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc36c6a254
[ 99.046366][ T167] R13: 00007ffc36c6ae00 R14: 00007ffc36c6a3a0 R15: 0000000000543540
[ 99.046666][ T167]
[ 99.046768][ T167] irq event stamp: 122227563
[ 99.046908][ T167] hardirqs last enabled at (122227571): [] __up_console_sem+0x5a/0x70
[ 99.047145][ T167] hardirqs last disabled at (122227578): [] __up_console_sem+0x3f/0x70
[ 99.047380][ T167] softirqs last enabled at (122227552): [] handle_softirqs+0x611/0x940
[ 99.047703][ T167] softirqs last disabled at (122227595): [] __irq_exit_rcu+0x103/0x1c0
[ 99.047943][ T167] ---[ end trace 0000000000000000 ]---
[ 99.055146][ T167] ------------[ cut here ]------------
[ 99.055309][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/167
[ 99.055605][ T167] Modules linked in:
[ 99.055711][ T167] CPU: 3 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.056019][ T167] Tainted: [W]=WARN
[ 99.056118][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.056282][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.056501][ 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
[ 99.056978][ T167] RSP: 0018:ffa0000000817850 EFLAGS: 00010286
[ 99.057150][ T167] RAX: 00000000ffffffa6 RBX: ff1100000c445e40 RCX: 1ff4000000102ed0
[ 99.057354][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c445ef0
[ 99.057568][ T167] RBP: ff1100000b060000 R08: 1fe2200001888bdf R09: ff1100000cae2e58
[ 99.057766][ T167] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 99.057964][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 99.058164][ T167] FS: 0000000000000000(0000) GS:ff1100008ed53000(0000) knlGS:0000000000000000
[ 99.058394][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.058566][ T167] CR2: 00007f29a6065f98 CR3: 0000000037b39006 CR4: 0000000000771ef0
[ 99.058766][ T167] PKRU: 55555554
[ 99.058872][ T167] Call Trace:
[ 99.058971][ T167]
[ 99.059042][ T167] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 99.059211][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 99.059373][ T167] ? find_held_lock+0x2b/0x80
[ 99.059508][ T167] ? find_held_lock+0x2b/0x80
[ 99.059641][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.059778][ T167] ? __queue_work+0x315/0xc00
[ 99.059922][ T167] unregister_netdevice_queue+0x290/0x470
[ 99.060056][ T167] ? unregister_netdevice_many+0x20/0x20
[ 99.060188][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.060320][ T167] ? queue_delayed_work_on+0x95/0x100
[ 99.060463][ T167] __tun_detach+0xf36/0x1320
[ 99.060601][ T167] tun_chr_close+0xac/0x1b0
[ 99.060736][ T167] __fput+0x363/0xac0
[ 99.060845][ T167] task_work_run+0x12b/0x240
[ 99.060977][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.061108][ T167] ? task_work_cancel+0x30/0x30
[ 99.061238][ T167] ? kmem_cache_free+0xf8/0x560
[ 99.061373][ T167] do_exit+0x614/0xdc0
[ 99.061476][ T167] ? exit_notify+0x890/0x890
[ 99.061606][ T167] ? find_held_lock+0x2b/0x80
[ 99.061738][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.061875][ T167] ? __rwlock_init+0x150/0x150
[ 99.062011][ T167] do_group_exit+0xb8/0x370
[ 99.062142][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 99.062305][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 99.062464][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 99.062665][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 99.062854][ T167] get_signal+0x172e/0x1820
[ 99.062993][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.063128][ T167] ? ptrace_signal+0x600/0x600
[ 99.063259][ T167] ? finish_task_switch.isra.0+0x216/0x990
[ 99.063421][ T167] ? __switch_to+0x5a3/0xe00
[ 99.063562][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.063696][ T167] ? trace_sched_exit_tp+0x9b/0x180
[ 99.063836][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 99.063969][ T167] ? get_sigframe_size+0x20/0x20
[ 99.064106][ T167] ? rcu_is_watching+0x15/0xd0
[ 99.064241][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.064408][ T167] irqentry_exit+0x2b0/0x710
[ 99.064547][ T167] ? __irq_exit_rcu+0x7c/0x1c0
[ 99.064679][ T167] ? irq_exit_rcu+0x1a/0x30
[ 99.064818][ T167] asm_sysvec_call_function_single+0x1a/0x20
[ 99.064981][ T167] RIP: 0033:0x4c2d9e
[ 99.065089][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 99.065258][ T167] RSP: 002b:00007ffc36c6a1d0 EFLAGS: 00000202
[ 99.065424][ T167] RAX: 0000000000000014 RBX: 00007ffc36c6a260 RCX: 00000000004c2d9e
[ 99.065626][ T167] RDX: 0000000000000000 RSI: 00007ffc36c6a270 RDI: 0000000000000007
[ 99.065829][ T167] RBP: 00007ffc36c6a1e0 R08: 0000000000000000 R09: 0000000000000000
[ 99.066026][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc36c6a254
[ 99.066221][ T167] R13: 00007ffc36c6ae00 R14: 00007ffc36c6a3a0 R15: 0000000000543540
[ 99.066430][ T167]
[ 99.066561][ T167] irq event stamp: 122233101
[ 99.066715][ T167] hardirqs last enabled at (122233109): [] __up_console_sem+0x5a/0x70
[ 99.066979][ T167] hardirqs last disabled at (122233116): [] __up_console_sem+0x3f/0x70
[ 99.067234][ T167] softirqs last enabled at (122232506): [] handle_softirqs+0x611/0x940
[ 99.067473][ T167] softirqs last disabled at (122232463): [] __irq_exit_rcu+0x103/0x1c0
[ 99.067703][ T167] ---[ end trace 0000000000000000 ]---
[ 99.086415][ T12] ------------[ cut here ]------------
[ 99.086672][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: kworker/u16:0/12
[ 99.087109][ T12] Modules linked in:
[ 99.087289][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 99.087633][ T12] Tainted: [W]=WARN
[ 99.087731][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.087912][ T12] Workqueue: netns cleanup_net
[ 99.088053][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 99.088216][ 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
[ 99.088672][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 99.088833][ T12] RAX: 00000000ffffffa6 RBX: ff11000009554f40 RCX: 1ff4000000018ed5
[ 99.089020][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009554ff0
[ 99.089205][ T12] RBP: ff11000009e59000 R08: 1fe22000012aa9ff R09: ff11000001afd1d0
[ 99.089410][ T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 99.089692][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 99.089978][ T12] FS: 0000000000000000(0000) GS:ff1100008ebd3000(0000) knlGS:0000000000000000
[ 99.090277][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 99.090440][ T12] CR2: 00007f29a6065f98 CR3: 0000000009b85006 CR4: 0000000000771ef0
[ 99.090641][ T12] PKRU: 55555554
[ 99.090734][ T12] Call Trace:
[ 99.090830][ T12]
[ 99.090897][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 99.091057][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 99.091212][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 99.091340][ T12] default_device_exit_batch+0x38b/0x600
[ 99.091472][ T12] ? generic_xdp_install+0x400/0x400
[ 99.091595][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 99.091721][ T12] ? unregister_netdev+0x60/0x60
[ 99.091849][ T12] ? rtnl_is_locked+0x15/0x20
[ 99.091977][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 99.092102][ T12] ops_undo_list+0x2ce/0x8f0
[ 99.092232][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 99.092355][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 99.092491][ T12] cleanup_net+0x431/0x890
[ 99.092616][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 99.092739][ T12] ? process_one_work+0xdb7/0x1410
[ 99.092875][ T12] ? lock_acquire+0x134/0x160
[ 99.092997][ T12] ? rcu_is_watching+0x15/0xd0
[ 99.093127][ T12] process_one_work+0xdf8/0x1410
[ 99.093254][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 99.093377][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 99.093509][ T12] worker_thread+0x4f1/0xd60
[ 99.093638][ T12] ? rescuer_thread+0x1320/0x1320
[ 99.093765][ T12] kthread+0x367/0x460
[ 99.093863][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 99.094030][ T12] ? kthread_affine_node+0x330/0x330
[ 99.094155][ T12] ret_from_fork+0x474/0x6b0
[ 99.094281][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 99.094437][ T12] ? __switch_to+0x5a3/0xe00
[ 99.094564][ T12] ? kthread_affine_node+0x330/0x330
[ 99.094688][ T12] ret_from_fork_asm+0x11/0x20
[ 99.094825][ T12]
[ 99.094920][ T12] irq event stamp: 2627
[ 99.095015][ T12] hardirqs last enabled at (2635): [] __up_console_sem+0x5a/0x70
[ 99.095230][ T12] hardirqs last disabled at (2642): [] __up_console_sem+0x3f/0x70
[ 99.095443][ T12] softirqs last enabled at (2182): [] handle_softirqs+0x611/0x940
[ 99.095664][ T12] softirqs last disabled at (2177): [] __irq_exit_rcu+0x103/0x1c0
[ 99.095884][ T12] ---[ end trace 0000000000000000 ]---