[ 8.652244][ T166] ------------[ cut here ]------------
[ 8.652450][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: unshare/166
[ 8.652727][ T166] Modules linked in:
[ 8.652857][ T166] CPU: 3 UID: 0 PID: 166 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.653180][ T166] Tainted: [W]=WARN
[ 8.653288][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.653458][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.653634][ 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
[ 8.654128][ T166] RSP: 0018:ffa0000000847ab0 EFLAGS: 00010286
[ 8.654299][ T166] RAX: 00000000ffffffa6 RBX: ff1100000bf78940 RCX: 1ff4000000108f1c
[ 8.654507][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bf789f0
[ 8.654712][ T166] RBP: ff1100000963c000 R08: 1fe22000017ef13f R09: ff1100000c550b80
[ 8.654921][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.655126][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000963c000
[ 8.655375][ T166] FS: 00007f4e837ac740(0000) GS:ff110000a3d53000(0000) knlGS:0000000000000000
[ 8.655611][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.655781][ T166] CR2: 000056356a564310 CR3: 000000000c9a4001 CR4: 0000000000771ef0
[ 8.656012][ T166] PKRU: 55555554
[ 8.656115][ T166] Call Trace:
[ 8.656217][ T166]
[ 8.656290][ T166] ? ip6_route_dev_notify+0x250/0x380
[ 8.656427][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.656564][ T166] ? notifier_call_chain+0xb0/0x320
[ 8.656701][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.656808][ T166] register_netdevice+0x137a/0x1980
[ 8.656962][ T166] ? unregister_netdevice_queue+0x470/0x470
[ 8.657134][ T166] register_netdev+0x23/0x40
[ 8.657269][ T166] loopback_net_init+0x7d/0x150
[ 8.657405][ T166] ops_init+0x187/0x560
[ 8.657511][ T166] setup_net+0x11b/0x3b0
[ 8.657613][ T166] ? unregister_pernet_device+0x80/0x80
[ 8.657748][ T166] ? lockdep_init_map_type+0x5d/0x250
[ 8.657950][ T166] ? mutex_init_lockdep+0xf6/0x120
[ 8.658089][ T166] copy_net_ns+0x2fd/0x450
[ 8.658225][ T166] create_new_namespaces+0x371/0xa10
[ 8.658360][ T166] unshare_nsproxy_namespaces+0xa5/0x150
[ 8.658496][ T166] ksys_unshare+0x47e/0x8c0
[ 8.658633][ T166] ? walk_process_tree+0x350/0x350
[ 8.658772][ T166] __x64_sys_unshare+0x34/0x50
[ 8.658968][ T166] ? do_syscall_64+0x82/0xfc0
[ 8.659105][ T166] do_syscall_64+0x117/0xfc0
[ 8.659240][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.659376][ T166] ? exc_page_fault+0xee/0x100
[ 8.659523][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.659691][ T166] RIP: 0033:0x7f4e838a7bcb
[ 8.659832][ 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
[ 8.660373][ T166] RSP: 002b:00007fff5c978a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 8.660578][ T166] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e838a7bcb
[ 8.660780][ T166] RDX: 0000000000000000 RSI: 00007fff5c978790 RDI: 0000000040000000
[ 8.661045][ T166] RBP: 00007fff5c978db0 R08: 00007fff5c978980 R09: 0000000000000000
[ 8.661247][ T166] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 8.661448][ T166] R13: 0000000000000000 R14: 00000000ffffffff R15: 000056356a567b68
[ 8.661656][ T166]
[ 8.661757][ T166] irq event stamp: 14319
[ 8.661860][ T166] hardirqs last enabled at (14327): [] __up_console_sem+0x5a/0x70
[ 8.662157][ T166] hardirqs last disabled at (14430): [] __up_console_sem+0x3f/0x70
[ 8.662392][ T166] softirqs last enabled at (14428): [] handle_softirqs+0x611/0x940
[ 8.662627][ T166] softirqs last disabled at (14335): [] __irq_exit_rcu+0x103/0x1c0
[ 8.662862][ T166] ---[ end trace 0000000000000000 ]---
[ 8.686218][ T166] ------------[ cut here ]------------
[ 8.686381][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/166
[ 8.686634][ T166] Modules linked in:
[ 8.686734][ T166] CPU: 3 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.687029][ T166] Tainted: [W]=WARN
[ 8.687124][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.687280][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.687441][ 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
[ 8.687886][ T166] RSP: 0018:ffa0000000847b58 EFLAGS: 00010286
[ 8.688046][ T166] RAX: 00000000ffffffa6 RBX: ff1100000bf9e4c0 RCX: 1ff4000000108f31
[ 8.688229][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bf9e570
[ 8.688413][ T166] RBP: ff1100000bc18000 R08: 1fe22000017f3caf R09: ff1100000c550b58
[ 8.688608][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.688791][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bc18000
[ 8.688988][ T166] FS: 000000003db41400(0000) GS:ff110000a3d53000(0000) knlGS:0000000000000000
[ 8.689204][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.689361][ T166] CR2: 00007fac36d95000 CR3: 0000000009232002 CR4: 0000000000771ef0
[ 8.689550][ T166] PKRU: 55555554
[ 8.689643][ T166] Call Trace:
[ 8.689733][ T166]
[ 8.689796][ T166] ? ip6_route_dev_notify+0x3d/0x380
[ 8.689923][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.690054][ T166] ? notifier_call_chain+0xb0/0x320
[ 8.690184][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.690280][ T166] register_netdevice+0x137a/0x1980
[ 8.690406][ T166] ? unregister_netdevice_queue+0x470/0x470
[ 8.690557][ T166] ? alloc_netdev_mqs+0xec0/0x1410
[ 8.690684][ T166] tun_set_iff.constprop.0+0xc61/0x1850
[ 8.690811][ T166] ? tun_attach.isra.0+0x1630/0x1630
[ 8.690947][ T166] ? tun_get+0x106/0x240
[ 8.691076][ T166] __tun_chr_ioctl+0x4b0/0x2470
[ 8.691204][ T166] ? build_open_flags+0x620/0x620
[ 8.691327][ T166] ? tun_chr_read_iter+0x210/0x210
[ 8.691448][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 8.691572][ T166] ? __x64_sys_openat+0x10e/0x210
[ 8.691693][ T166] ? fput_close_sync+0xde/0x1b0
[ 8.691815][ T166] ? __ia32_sys_open+0x1b0/0x1b0
[ 8.691948][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.692072][ T166] do_syscall_64+0x117/0xfc0
[ 8.692196][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.692316][ T166] ? exc_page_fault+0xee/0x100
[ 8.692436][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.692586][ T166] RIP: 0033:0x47cc8d
[ 8.692683][ 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
[ 8.693127][ T166] RSP: 002b:00007ffd775eb460 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.693310][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.693490][ T166] RDX: 00007ffd775eb4e0 RSI: 00000000400454ca RDI: 0000000000000005
[ 8.693672][ T166] RBP: 00007ffd775eb4b0 R08: 0000000000000000 R09: 0000000000000000
[ 8.693853][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd775eb9b8
[ 8.694042][ T166] R13: 00007ffd775eba40 R14: 0000000000000002 R15: 0000000000543540
[ 8.694229][ T166]
[ 8.694320][ T166] irq event stamp: 37067
[ 8.694410][ T166] hardirqs last enabled at (37075): [] __up_console_sem+0x5a/0x70
[ 8.694622][ T166] hardirqs last disabled at (37082): [] __up_console_sem+0x3f/0x70
[ 8.694830][ T166] softirqs last enabled at (36594): [] __alloc_skb+0x4c5/0x5f0
[ 8.695046][ T166] softirqs last disabled at (36592): [] __alloc_skb+0x4c5/0x5f0
[ 8.695253][ T166] ---[ end trace 0000000000000000 ]---
[ 8.695655][ T166] ------------[ cut here ]------------
[ 8.695774][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/166
[ 8.696017][ T166] Modules linked in:
[ 8.696109][ T166] CPU: 3 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.696381][ T166] Tainted: [W]=WARN
[ 8.696472][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.696622][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.696777][ 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
[ 8.697208][ T166] RSP: 0018:ffa0000000847c58 EFLAGS: 00010286
[ 8.697360][ T166] RAX: 00000000ffffffa6 RBX: ff1100000bf9e340 RCX: 1ff4000000108f51
[ 8.697538][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bf9e3f0
[ 8.697716][ T166] RBP: ff1100000bc18000 R08: 1fe22000017f3c7f R09: ff1100000c550b58
[ 8.697905][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[ 8.698088][ T166] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[ 8.698275][ T166] FS: 000000003db41400(0000) GS:ff110000a3d53000(0000) knlGS:0000000000000000
[ 8.698484][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.698634][ T166] CR2: 00007fac36d95000 CR3: 0000000009232002 CR4: 0000000000771ef0
[ 8.698815][ T166] PKRU: 55555554
[ 8.698912][ T166] Call Trace:
[ 8.699004][ T166]
[ 8.699065][ T166] ? rcu_is_watching+0x15/0xd0
[ 8.699188][ T166] rtnetlink_event+0xe0/0x1f0
[ 8.699312][ T166] notifier_call_chain+0xb0/0x320
[ 8.699434][ T166] netdev_update_features+0xa9/0xb0
[ 8.699554][ T166] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 8.699704][ T166] __tun_chr_ioctl+0xc7f/0x2470
[ 8.699827][ T166] ? tun_chr_read_iter+0x210/0x210
[ 8.699954][ T166] ? fd_install+0x19b/0x3d0
[ 8.700076][ T166] ? update_socket_protocol+0x10/0x10
[ 8.700197][ T166] ? alloc_file_clone+0xe0/0xe0
[ 8.700327][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.700450][ T166] do_syscall_64+0x117/0xfc0
[ 8.700572][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.700693][ T166] ? exc_page_fault+0xee/0x100
[ 8.700816][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.700975][ T166] RIP: 0033:0x47cc8d
[ 8.701071][ 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
[ 8.701496][ T166] RSP: 002b:00007ffd775eb4a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.701680][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.701859][ T166] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 8.702047][ T166] RBP: 00007ffd775eb4f0 R08: 0000000000000005 R09: 0000000000001ff0
[ 8.702226][ T166] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffd775eb9b8
[ 8.702489][ T166] R13: 00007ffd775eba40 R14: 0000000000000002 R15: 0000000000543540
[ 8.702675][ T166]
[ 8.702765][ T166] irq event stamp: 37739
[ 8.702855][ T166] hardirqs last enabled at (37747): [] __up_console_sem+0x5a/0x70
[ 8.703144][ T166] hardirqs last disabled at (37756): [] __up_console_sem+0x3f/0x70
[ 8.703358][ T166] softirqs last enabled at (37324): [] __alloc_skb+0x4c5/0x5f0
[ 8.703639][ T166] softirqs last disabled at (37322): [] __alloc_skb+0x4c5/0x5f0
[ 8.703846][ T166] ---[ end trace 0000000000000000 ]---
[ 8.704374][ T166] ------------[ cut here ]------------
[ 8.704498][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/166
[ 8.704750][ T166] Modules linked in:
[ 8.704947][ T166] CPU: 3 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.705238][ T166] Tainted: [W]=WARN
[ 8.705336][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.705583][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.705748][ 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
[ 8.706294][ T166] RSP: 0018:ffa0000000847850 EFLAGS: 00010286
[ 8.706454][ T166] RAX: 00000000ffffffa6 RBX: ff1100000bf9ef40 RCX: 1ff4000000108ed0
[ 8.706728][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bf9eff0
[ 8.706922][ T166] RBP: ff1100000bc18000 R08: 1fe22000017f3dff R09: ff1100000c550b58
[ 8.707114][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[ 8.707388][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005910900
[ 8.707580][ T166] FS: 000000003db41400(0000) GS:ff110000a3d53000(0000) knlGS:0000000000000000
[ 8.707892][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.708058][ T166] CR2: 00007fac36d95000 CR3: 0000000009232002 CR4: 0000000000771ef0
[ 8.708251][ T166] PKRU: 55555554
[ 8.708346][ T166] Call Trace:
[ 8.708524][ T166]
[ 8.708594][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.708724][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 8.708821][ T166] ? mark_held_locks+0x40/0x70
[ 8.708955][ T166] __dev_notify_flags+0x1b8/0x280
[ 8.709166][ T166] ? netif_change_name+0x8c0/0x8c0
[ 8.709293][ T166] ? __dev_change_flags+0x4a4/0x660
[ 8.709420][ T166] ? netif_set_allmulti+0x250/0x250
[ 8.709549][ T166] ? lock_acquire.part.0+0xbc/0x260
[ 8.709761][ T166] netif_change_flags+0xfe/0x190
[ 8.709891][ T166] ? cap_capable+0x1d6/0x3e0
[ 8.710024][ T166] dev_change_flags+0xa5/0x170
[ 8.710152][ T166] devinet_ioctl+0x10f0/0x1840
[ 8.710364][ T166] ? inet_ifa_byprefix+0x220/0x220
[ 8.710491][ T166] ? _copy_from_user+0x42/0x90
[ 8.710621][ T166] inet_ioctl+0x34b/0x3a0
[ 8.710719][ T166] ? inet_dgram_connect+0x3e0/0x3e0
[ 8.710947][ T166] ? __lock_acquire+0x508/0xc10
[ 8.711080][ T166] ? __might_fault+0x97/0x140
[ 8.711208][ T166] ? __might_fault+0x97/0x140
[ 8.711338][ T166] sock_do_ioctl+0x10e/0x270
[ 8.711549][ T166] ? __sock_recv_cmsgs+0x550/0x550
[ 8.711680][ T166] ? ioctl_file_clone+0xd0/0xd0
[ 8.711810][ T166] sock_ioctl+0x3cb/0x5f0
[ 8.711916][ T166] ? br_ioctl_call+0x80/0x80
[ 8.712134][ T166] ? fd_install+0x19b/0x3d0
[ 8.712267][ T166] ? update_socket_protocol+0x10/0x10
[ 8.712392][ T166] ? alloc_file_clone+0xe0/0xe0
[ 8.712521][ T166] __x64_sys_ioctl+0x11a/0x190
[ 8.712732][ T166] do_syscall_64+0x117/0xfc0
[ 8.712858][ T166] ? trace_hardirqs_off+0xd/0x30
[ 8.712994][ T166] ? exc_page_fault+0xee/0x100
[ 8.713120][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.713358][ T166] RIP: 0033:0x47cc8d
[ 8.713457][ 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
[ 8.714000][ T166] RSP: 002b:00007ffd775eb480 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.714191][ T166] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.714379][ T166] RDX: 00007ffd775eb4f0 RSI: 0000000000008914 RDI: 0000000000000006
[ 8.714651][ T166] RBP: 00007ffd775eb4d0 R08: 0000000000000005 R09: 0000000000001ff0
[ 8.714841][ T166] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffd775eb9b8
[ 8.715130][ T166] R13: 00007ffd775eba40 R14: 0000000000000002 R15: 0000000000543540
[ 8.715324][ T166]
[ 8.715418][ T166] irq event stamp: 38661
[ 8.715511][ T166] hardirqs last enabled at (38669): [] __up_console_sem+0x5a/0x70
[ 8.715820][ T166] hardirqs last disabled at (38676): [] __up_console_sem+0x3f/0x70
[ 8.716047][ T166] softirqs last enabled at (38102): [] __alloc_skb+0x4c5/0x5f0
[ 8.716348][ T166] softirqs last disabled at (38100): [] __alloc_skb+0x4c5/0x5f0
[ 8.716566][ T166] ---[ end trace 0000000000000000 ]---
[ 98.517158][ T166] ------------[ cut here ]------------
[ 98.517354][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/166
[ 98.517621][ T166] Modules linked in:
[ 98.517730][ T166] CPU: 3 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.518118][ T166] Tainted: [W]=WARN
[ 98.518218][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.518386][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.518558][ 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
[ 98.519097][ T166] RSP: 0018:ffa00000008476f0 EFLAGS: 00010286
[ 98.519269][ T166] RAX: 00000000ffffffa6 RBX: ff1100000502a1c0 RCX: 1ff4000000108ea4
[ 98.519462][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000502a270
[ 98.519658][ T166] RBP: ff1100000bc18000 R08: 1fe2200000a0544f R09: ff1100000c550b58
[ 98.519853][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[ 98.520136][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000847790
[ 98.520338][ T166] FS: 0000000000000000(0000) GS:ff110000a3d53000(0000) knlGS:0000000000000000
[ 98.520568][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.520732][ T166] CR2: 00005563aaa441a0 CR3: 000000002b339005 CR4: 0000000000771ef0
[ 98.521008][ T166] PKRU: 55555554
[ 98.521172][ T166] Call Trace:
[ 98.521276][ T166]
[ 98.521346][ T166] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 98.521480][ T166] rtmsg_ifinfo+0x5c/0xb0
[ 98.521581][ T166] netif_close_many+0x2ac/0x640
[ 98.521712][ T166] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 98.521844][ T166] ? lock_acquire.part.0+0xbc/0x260
[ 98.522068][ T166] ? find_held_lock+0x2b/0x80
[ 98.522198][ T166] ? __dev_close_many+0x530/0x530
[ 98.522332][ T166] ? netif_close_many_and_unlock+0x22/0x2c0
[ 98.522495][ T166] unregister_netdevice_many_notify+0x671/0x19a0
[ 98.522659][ T166] ? select_fallback_rq+0x510/0x510
[ 98.522791][ T166] ? unregister_netdevice_queued+0x80/0x80
[ 98.523007][ T166] ? find_held_lock+0x2b/0x80
[ 98.523136][ T166] ? find_held_lock+0x2b/0x80
[ 98.523270][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.523401][ T166] ? __queue_work+0x315/0xc00
[ 98.523534][ T166] unregister_netdevice_queue+0x290/0x470
[ 98.523665][ T166] ? unregister_netdevice_many+0x20/0x20
[ 98.523795][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.523982][ T166] ? queue_delayed_work_on+0x95/0x100
[ 98.524116][ T166] __tun_detach+0xf36/0x1320
[ 98.524255][ T166] tun_chr_close+0xac/0x1b0
[ 98.524385][ T166] __fput+0x363/0xac0
[ 98.524491][ T166] task_work_run+0x12b/0x240
[ 98.524621][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.524752][ T166] ? task_work_cancel+0x30/0x30
[ 98.524936][ T166] ? kmem_cache_free+0xf8/0x560
[ 98.525068][ T166] do_exit+0x614/0xdc0
[ 98.525171][ T166] ? exit_notify+0x890/0x890
[ 98.525306][ T166] ? find_held_lock+0x2b/0x80
[ 98.525437][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.525571][ T166] ? __rwlock_init+0x150/0x150
[ 98.525703][ T166] do_group_exit+0xb8/0x370
[ 98.525833][ T166] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.526050][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.526180][ T166] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.526316][ T166] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.526445][ T166] get_signal+0x172e/0x1820
[ 98.526579][ T166] ? __sys_sendto+0x2c9/0x400
[ 98.526709][ T166] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.526844][ T166] ? ptrace_signal+0x600/0x600
[ 98.527033][ T166] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.527166][ T166] ? get_sigframe_size+0x20/0x20
[ 98.527303][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.527435][ T166] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.527599][ T166] exit_to_user_mode_loop+0x86/0x520
[ 98.527731][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.527860][ T166] do_syscall_64+0x437/0xfc0
[ 98.528079][ T166] ? irq_exit_rcu+0x1a/0x30
[ 98.528214][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.528380][ T166] RIP: 0033:0x4c2d9e
[ 98.528487][ T166] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.528671][ T166] RSP: 002b:00007ffd775eae10 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.528872][ T166] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 98.529156][ T166] RDX: 0000000000000014 RSI: 00007ffd775eaef0 RDI: 0000000000000007
[ 98.529358][ T166] RBP: 00007ffd775eae20 R08: 00007ffd775eaeb0 R09: 000000000000000c
[ 98.529555][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003db4ccf0
[ 98.529752][ T166] R13: 00007ffd775eba40 R14: 00007ffd775eafe0 R15: 0000000000543540
[ 98.530011][ T166]
[ 98.530109][ T166] irq event stamp: 137465827
[ 98.530242][ T166] hardirqs last enabled at (137465835): [] __up_console_sem+0x5a/0x70
[ 98.530469][ T166] hardirqs last disabled at (137465842): [] __up_console_sem+0x3f/0x70
[ 98.530697][ T166] softirqs last enabled at (137465816): [] handle_softirqs+0x611/0x940
[ 98.531012][ T166] softirqs last disabled at (137465859): [] __irq_exit_rcu+0x103/0x1c0
[ 98.531240][ T166] ---[ end trace 0000000000000000 ]---
[ 98.538502][ T166] ------------[ cut here ]------------
[ 98.538654][ T166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/166
[ 98.538920][ T166] Modules linked in:
[ 98.539024][ T166] CPU: 3 UID: 0 PID: 166 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.539321][ T166] Tainted: [W]=WARN
[ 98.539418][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.539578][ T166] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.539745][ 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
[ 98.540206][ T166] RSP: 0018:ffa0000000847820 EFLAGS: 00010286
[ 98.540369][ T166] RAX: 00000000ffffffa6 RBX: ff1100000502af40 RCX: 1ff4000000108eca
[ 98.540560][ T166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000502aff0
[ 98.540753][ T166] RBP: ff1100000bc18000 R08: 1fe2200000a055ff R09: ff1100000c550b58
[ 98.540950][ T166] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.541139][ T166] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.541334][ T166] FS: 0000000000000000(0000) GS:ff110000a3d53000(0000) knlGS:0000000000000000
[ 98.541557][ T166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.541719][ T166] CR2: 00005563aaa441a0 CR3: 000000002b339005 CR4: 0000000000771ef0
[ 98.541914][ T166] PKRU: 55555554
[ 98.542009][ T166] Call Trace:
[ 98.542106][ T166]
[ 98.542173][ T166] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.542341][ T166] ? unregister_netdevice_queued+0x80/0x80
[ 98.542499][ T166] ? find_held_lock+0x2b/0x80
[ 98.542630][ T166] ? find_held_lock+0x2b/0x80
[ 98.542757][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.542890][ T166] ? __queue_work+0x315/0xc00
[ 98.543020][ T166] unregister_netdevice_queue+0x290/0x470
[ 98.543149][ T166] ? unregister_netdevice_many+0x20/0x20
[ 98.543278][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.543408][ T166] ? queue_delayed_work_on+0x95/0x100
[ 98.543538][ T166] __tun_detach+0xf36/0x1320
[ 98.543668][ T166] tun_chr_close+0xac/0x1b0
[ 98.543797][ T166] __fput+0x363/0xac0
[ 98.543902][ T166] task_work_run+0x12b/0x240
[ 98.544028][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.544156][ T166] ? task_work_cancel+0x30/0x30
[ 98.544290][ T166] ? kmem_cache_free+0xf8/0x560
[ 98.544419][ T166] do_exit+0x614/0xdc0
[ 98.544516][ T166] ? exit_notify+0x890/0x890
[ 98.544642][ T166] ? find_held_lock+0x2b/0x80
[ 98.544771][ T166] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.544904][ T166] ? __rwlock_init+0x150/0x150
[ 98.545033][ T166] do_group_exit+0xb8/0x370
[ 98.545159][ T166] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.545320][ T166] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.545446][ T166] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.545574][ T166] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.545701][ T166] get_signal+0x172e/0x1820
[ 98.545831][ T166] ? __sys_sendto+0x2c9/0x400
[ 98.545963][ T166] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.546089][ T166] ? ptrace_signal+0x600/0x600
[ 98.546220][ T166] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.546353][ T166] ? get_sigframe_size+0x20/0x20
[ 98.546484][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.546611][ T166] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.546769][ T166] exit_to_user_mode_loop+0x86/0x520
[ 98.546903][ T166] ? rcu_is_watching+0x15/0xd0
[ 98.547031][ T166] do_syscall_64+0x437/0xfc0
[ 98.547159][ T166] ? irq_exit_rcu+0x1a/0x30
[ 98.547292][ T166] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.547448][ T166] RIP: 0033:0x4c2d9e
[ 98.547550][ T166] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.547715][ T166] RSP: 002b:00007ffd775eae10 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.547909][ T166] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 98.548097][ T166] RDX: 0000000000000014 RSI: 00007ffd775eaef0 RDI: 0000000000000007
[ 98.548290][ T166] RBP: 00007ffd775eae20 R08: 00007ffd775eaeb0 R09: 000000000000000c
[ 98.548481][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003db4ccf0
[ 98.548672][ T166] R13: 00007ffd775eba40 R14: 00007ffd775eafe0 R15: 0000000000543540
[ 98.548867][ T166]
[ 98.548967][ T166] irq event stamp: 137479355
[ 98.549092][ T166] hardirqs last enabled at (137479363): [] __up_console_sem+0x5a/0x70
[ 98.549319][ T166] hardirqs last disabled at (137479370): [] __up_console_sem+0x3f/0x70
[ 98.549537][ T166] softirqs last enabled at (137478778): [] handle_softirqs+0x611/0x940
[ 98.549757][ T166] softirqs last disabled at (137478771): [] __irq_exit_rcu+0x103/0x1c0
[ 98.549980][ T166] ---[ end trace 0000000000000000 ]---
[ 98.566479][ T12] ------------[ cut here ]------------
[ 98.566651][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: kworker/u16:0/12
[ 98.567378][ T12] Modules linked in:
[ 98.567501][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.567901][ T12] Tainted: [W]=WARN
[ 98.568003][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.568152][ T12] Workqueue: netns cleanup_net
[ 98.568296][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.568452][ 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
[ 98.568871][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 98.569101][ T12] RAX: 00000000ffffffa6 RBX: ff1100000502be40 RCX: 1ff4000000018ed5
[ 98.569284][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000502bef0
[ 98.569467][ T12] RBP: ff1100000963c000 R08: 1fe2200000a057df R09: ff11000001afd1d0
[ 98.569642][ T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.569818][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.570071][ T12] FS: 0000000000000000(0000) GS:ff110000a3bd3000(0000) knlGS:0000000000000000
[ 98.570282][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.570431][ T12] CR2: 00007f0216d03f98 CR3: 000000002b339005 CR4: 0000000000771ef0
[ 98.570613][ T12] PKRU: 55555554
[ 98.570701][ T12] Call Trace:
[ 98.570789][ T12]
[ 98.570852][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.571157][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 98.571311][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 98.571433][ T12] default_device_exit_batch+0x38b/0x600
[ 98.571554][ T12] ? generic_xdp_install+0x400/0x400
[ 98.571672][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 98.571791][ T12] ? unregister_netdev+0x60/0x60
[ 98.571997][ T12] ? rtnl_is_locked+0x15/0x20
[ 98.572114][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 98.572239][ T12] ops_undo_list+0x2ce/0x8f0
[ 98.572360][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 98.572477][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.572597][ T12] cleanup_net+0x431/0x890
[ 98.572715][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 98.572833][ T12] ? process_one_work+0xdb7/0x1410
[ 98.573041][ T12] ? lock_acquire+0x134/0x160
[ 98.573158][ T12] ? rcu_is_watching+0x15/0xd0
[ 98.573286][ T12] process_one_work+0xdf8/0x1410
[ 98.573408][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 98.573526][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 98.573648][ T12] worker_thread+0x4f1/0xd60
[ 98.573770][ T12] ? rescuer_thread+0x1320/0x1320
[ 98.573973][ T12] kthread+0x367/0x460
[ 98.574062][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.574210][ T12] ? kthread_affine_node+0x330/0x330
[ 98.574331][ T12] ret_from_fork+0x474/0x6b0
[ 98.574450][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 98.574597][ T12] ? __switch_to+0x5a3/0xe00
[ 98.574725][ T12] ? kthread_affine_node+0x330/0x330
[ 98.574843][ T12] ret_from_fork_asm+0x11/0x20
[ 98.575056][ T12]
[ 98.575143][ T12] irq event stamp: 5487
[ 98.575236][ T12] hardirqs last enabled at (5495): [] __up_console_sem+0x5a/0x70
[ 98.575442][ T12] hardirqs last disabled at (5502): [] __up_console_sem+0x3f/0x70
[ 98.575643][ T12] softirqs last enabled at (5476): [] handle_softirqs+0x611/0x940
[ 98.575846][ T12] softirqs last disabled at (5305): [] __irq_exit_rcu+0x103/0x1c0
[ 98.576140][ T12] ---[ end trace 0000000000000000 ]---