[ 9.176763][ T173] tun: Universal TUN/TAP device driver, 1.6
[ 9.439064][ T184] ------------[ cut here ]------------
[ 9.439316][ T184] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: unshare/184
[ 9.439722][ T184] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 9.440054][ T184] CPU: 2 UID: 0 PID: 184 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.440371][ T184] Tainted: [W]=WARN
[ 9.440531][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.440788][ T184] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.441022][ T184] 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 88 e9 f0 ff b9 a6 ff ff
[ 9.441834][ T184] RSP: 0018:ffa0000000837ab0 EFLAGS: 00010286
[ 9.442129][ T184] RAX: 00000000ffffffa6 RBX: ff11000004e558c0 RCX: 1ff4000000106f1c
[ 9.442417][ T184] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004e5597c
[ 9.442663][ T184] RBP: ff110000050e9000 R08: 1fe22000009cab31 R09: ff1100000c3cd210
[ 9.442909][ T184] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.443163][ T184] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000050e9000
[ 9.443422][ T184] FS: 00007f8426f64740(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 9.443704][ T184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.443919][ T184] CR2: 00005611e7adf310 CR3: 0000000008b88004 CR4: 0000000000771ef0
[ 9.444175][ T184] PKRU: 55555554
[ 9.444322][ T184] Call Trace:
[ 9.444496][ T184]
[ 9.444613][ T184] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.444794][ T184] ? notifier_call_chain+0xb0/0x320
[ 9.444975][ T184] rtmsg_ifinfo+0x5c/0xb0
[ 9.445132][ T184] register_netdevice+0x137a/0x1980
[ 9.445314][ T184] ? unregister_netdevice_queue+0x470/0x470
[ 9.445540][ T184] register_netdev+0x23/0x40
[ 9.445720][ T184] loopback_net_init+0x7d/0x150
[ 9.445905][ T184] ops_init+0x187/0x560
[ 9.446065][ T184] setup_net+0x11b/0x3b0
[ 9.446212][ T184] ? unregister_pernet_device+0x80/0x80
[ 9.446388][ T184] ? lockdep_init_map_type+0x5d/0x250
[ 9.446583][ T184] ? mutex_init_lockdep+0xf6/0x120
[ 9.446782][ T184] copy_net_ns+0x2fd/0x450
[ 9.446963][ T184] create_new_namespaces+0x371/0xa10
[ 9.447155][ T184] unshare_nsproxy_namespaces+0xa5/0x150
[ 9.447344][ T184] ksys_unshare+0x47e/0x8c0
[ 9.447539][ T184] ? walk_process_tree+0x350/0x350
[ 9.447761][ T184] __x64_sys_unshare+0x34/0x50
[ 9.447952][ T184] ? do_syscall_64+0x82/0xfc0
[ 9.448144][ T184] do_syscall_64+0xf3/0xfc0
[ 9.448330][ T184] ? trace_hardirqs_off+0xd/0x30
[ 9.448528][ T184] ? exc_page_fault+0xee/0x100
[ 9.448713][ T184] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.448926][ T184] RIP: 0033:0x7f842705fbcb
[ 9.449124][ T184] 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
[ 9.449651][ T184] RSP: 002b:00007ffdb5a25148 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 9.449903][ T184] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f842705fbcb
[ 9.450156][ T184] RDX: 0000000000000000 RSI: 00007ffdb5a24eb0 RDI: 0000000040000000
[ 9.450416][ T184] RBP: 00007ffdb5a254d0 R08: 00007ffdb5a250a0 R09: 0000000000000000
[ 9.450657][ T184] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 9.450909][ T184] R13: 0000000000000000 R14: 00000000ffffffff R15: 00005611e7ae2b68
[ 9.451174][ T184]
[ 9.451320][ T184] irq event stamp: 17153
[ 9.451479][ T184] hardirqs last enabled at (17165): [] __up_console_sem+0x5a/0x70
[ 9.451753][ T184] hardirqs last disabled at (17174): [] __up_console_sem+0x3f/0x70
[ 9.452036][ T184] softirqs last enabled at (16680): [] handle_softirqs+0x611/0x940
[ 9.452319][ T184] softirqs last disabled at (16241): [] __irq_exit_rcu+0x103/0x1c0
[ 9.452614][ T184] ---[ end trace 0000000000000000 ]---
[ 9.462418][ T184] ------------[ cut here ]------------
[ 9.462607][ T184] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/184
[ 9.462898][ T184] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 9.463146][ T184] CPU: 2 UID: 0 PID: 184 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.464426][ T184] Tainted: [W]=WARN
[ 9.464659][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.464857][ T184] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.465097][ T184] 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 88 e9 f0 ff b9 a6 ff ff
[ 9.465593][ T184] RSP: 0018:ffa0000000837b58 EFLAGS: 00010286
[ 9.465794][ T184] RAX: 00000000ffffffa6 RBX: ff11000004e54ac0 RCX: 1ff4000000106f31
[ 9.466029][ T184] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004e54b7c
[ 9.466256][ T184] RBP: ff1100000ab84000 R08: 1fe22000009ca971 R09: ff1100000c3cd1e8
[ 9.466504][ T184] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.466734][ T184] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ab84000
[ 9.466965][ T184] FS: 000000001d645400(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 9.467231][ T184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.467444][ T184] CR2: 00007f7a4794d000 CR3: 000000000f474005 CR4: 0000000000771ef0
[ 9.467676][ T184] PKRU: 55555554
[ 9.467813][ T184] Call Trace:
[ 9.467954][ T184]
[ 9.468071][ T184] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.468243][ T184] ? notifier_call_chain+0xb0/0x320
[ 9.468426][ T184] rtmsg_ifinfo+0x5c/0xb0
[ 9.468568][ T184] register_netdevice+0x137a/0x1980
[ 9.468742][ T184] ? unregister_netdevice_queue+0x470/0x470
[ 9.468940][ T184] ? alloc_netdev_mqs+0xec0/0x1480
[ 9.469119][ T184] tun_set_iff.constprop.0+0xc61/0x1850 [tun]
[ 9.469322][ T184] ? tun_attach.isra.0+0x1630/0x1630 [tun]
[ 9.469533][ T184] ? tun_get+0x106/0x240 [tun]
[ 9.469731][ T184] __tun_chr_ioctl+0x4b0/0x2470 [tun]
[ 9.469900][ T184] ? build_open_flags+0x620/0x620
[ 9.470085][ T184] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 9.470270][ T184] ? lockdep_hardirqs_on+0x8c/0x130
[ 9.470456][ T184] ? __x64_sys_openat+0x10e/0x210
[ 9.470632][ T184] ? fput_close_sync+0xde/0x1b0
[ 9.470807][ T184] ? __ia32_sys_open+0x1b0/0x1b0
[ 9.470980][ T184] __x64_sys_ioctl+0x11a/0x190
[ 9.471161][ T184] do_syscall_64+0xf3/0xfc0
[ 9.471329][ T184] ? trace_hardirqs_off+0xd/0x30
[ 9.471509][ T184] ? exc_page_fault+0xee/0x100
[ 9.471680][ T184] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.471880][ T184] RIP: 0033:0x47cc8d
[ 9.472031][ T184] 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
[ 9.472521][ T184] RSP: 002b:00007ffe8cc17ad0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.472754][ T184] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 9.472983][ T184] RDX: 00007ffe8cc17b50 RSI: 00000000400454ca RDI: 0000000000000006
[ 9.473219][ T184] RBP: 00007ffe8cc17b20 R08: 0000000000000000 R09: 0000000000000000
[ 9.473463][ T184] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe8cc18028
[ 9.473693][ T184] R13: 00007ffe8cc18068 R14: 0000000000000002 R15: 0000000000543540
[ 9.473929][ T184]
[ 9.474074][ T184] irq event stamp: 29425
[ 9.474212][ T184] hardirqs last enabled at (29435): [] __up_console_sem+0x5a/0x70
[ 9.474482][ T184] hardirqs last disabled at (29446): [] __up_console_sem+0x3f/0x70
[ 9.474742][ T184] softirqs last enabled at (28942): [] handle_softirqs+0x611/0x940
[ 9.475007][ T184] softirqs last disabled at (28821): [] __irq_exit_rcu+0x103/0x1c0
[ 9.475265][ T184] ---[ end trace 0000000000000000 ]---
[ 9.475730][ T184] ------------[ cut here ]------------
[ 9.475894][ T184] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/184
[ 9.476178][ T184] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 9.476497][ T184] CPU: 2 UID: 0 PID: 184 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.476819][ T184] Tainted: [W]=WARN
[ 9.476956][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.477158][ T184] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.477360][ T184] 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 88 e9 f0 ff b9 a6 ff ff
[ 9.477843][ T184] RSP: 0018:ffa0000000837c58 EFLAGS: 00010286
[ 9.478046][ T184] RAX: 00000000ffffffa6 RBX: ff11000004e55700 RCX: 1ff4000000106f51
[ 9.478267][ T184] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004e557bc
[ 9.478501][ T184] RBP: ff1100000ab84000 R08: 1fe22000009caaf9 R09: ff1100000c3cd1e8
[ 9.478724][ T184] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[ 9.478949][ T184] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[ 9.479181][ T184] FS: 000000001d645400(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 9.479448][ T184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.479645][ T184] CR2: 00007f7a4794d000 CR3: 000000000f474005 CR4: 0000000000771ef0
[ 9.479878][ T184] PKRU: 55555554
[ 9.480022][ T184] Call Trace:
[ 9.480159][ T184]
[ 9.480268][ T184] ? rcu_is_watching+0x15/0xd0
[ 9.480447][ T184] rtnetlink_event+0xe0/0x1f0
[ 9.480617][ T184] notifier_call_chain+0xb0/0x320
[ 9.480814][ T184] netdev_update_features+0xa9/0xb0
[ 9.480981][ T184] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 9.481187][ T184] __tun_chr_ioctl+0xc7f/0x2470 [tun]
[ 9.481358][ T184] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 9.481537][ T184] ? fd_install+0x19b/0x3d0
[ 9.481708][ T184] ? update_socket_protocol+0x10/0x10
[ 9.481874][ T184] ? alloc_file_clone+0xe0/0xe0
[ 9.482053][ T184] __x64_sys_ioctl+0x11a/0x190
[ 9.482221][ T184] do_syscall_64+0xf3/0xfc0
[ 9.482387][ T184] ? trace_hardirqs_off+0xd/0x30
[ 9.482567][ T184] ? exc_page_fault+0xee/0x100
[ 9.482735][ T184] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.482929][ T184] RIP: 0033:0x47cc8d
[ 9.483078][ T184] 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
[ 9.483559][ T184] RSP: 002b:00007ffe8cc17b10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.483783][ T184] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 9.484013][ T184] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000006
[ 9.484237][ T184] RBP: 00007ffe8cc17b60 R08: 0000000000000000 R09: 0000000000000000
[ 9.484476][ T184] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe8cc18028
[ 9.484698][ T184] R13: 00007ffe8cc18068 R14: 0000000000000002 R15: 0000000000543540
[ 9.484928][ T184]
[ 9.485071][ T184] irq event stamp: 30227
[ 9.485208][ T184] hardirqs last enabled at (30237): [] __up_console_sem+0x5a/0x70
[ 9.485474][ T184] hardirqs last disabled at (30248): [] __up_console_sem+0x3f/0x70
[ 9.485728][ T184] softirqs last enabled at (29696): [] __alloc_skb+0x4c2/0x5f0
[ 9.485983][ T184] softirqs last disabled at (29694): [] __alloc_skb+0x4c2/0x5f0
[ 9.486245][ T184] ---[ end trace 0000000000000000 ]---
[ 9.486777][ T184] ------------[ cut here ]------------
[ 9.486947][ T184] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/184
[ 9.487245][ T184] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 9.487497][ T184] CPU: 2 UID: 0 PID: 184 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 9.487825][ T184] Tainted: [W]=WARN
[ 9.487969][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.488182][ T184] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 9.488394][ T184] 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 88 e9 f0 ff b9 a6 ff ff
[ 9.488898][ T184] RSP: 0018:ffa0000000837850 EFLAGS: 00010286
[ 9.489116][ T184] RAX: 00000000ffffffa6 RBX: ff11000004e54040 RCX: 1ff4000000106ed0
[ 9.489350][ T184] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004e540fc
[ 9.489595][ T184] RBP: ff1100000ab84000 R08: 1fe22000009ca821 R09: ff1100000c3cd1e8
[ 9.489829][ T184] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[ 9.490074][ T184] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005881a80
[ 9.490310][ T184] FS: 000000001d645400(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 9.490590][ T184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.490795][ T184] CR2: 00007f7a4794d000 CR3: 000000000f474005 CR4: 0000000000771ef0
[ 9.491058][ T184] PKRU: 55555554
[ 9.491208][ T184] Call Trace:
[ 9.491353][ T184]
[ 9.491478][ T184] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 9.491654][ T184] rtmsg_ifinfo+0x5c/0xb0
[ 9.491798][ T184] ? mark_held_locks+0x40/0x70
[ 9.491975][ T184] __dev_notify_flags+0x1b8/0x280
[ 9.492162][ T184] ? netif_change_name+0x8c0/0x8c0
[ 9.492335][ T184] ? __dev_change_flags+0x4a4/0x660
[ 9.492523][ T184] ? netif_set_allmulti+0x250/0x250
[ 9.492696][ T184] ? lock_acquire.part.0+0xbc/0x260
[ 9.492870][ T184] netif_change_flags+0xfe/0x190
[ 9.493053][ T184] ? cap_capable+0x1d6/0x3e0
[ 9.493229][ T184] dev_change_flags+0xa5/0x170
[ 9.493417][ T184] devinet_ioctl+0x10f0/0x1840
[ 9.493595][ T184] ? inet_ifa_byprefix+0x220/0x220
[ 9.493772][ T184] ? _copy_from_user+0x42/0x90
[ 9.493950][ T184] inet_ioctl+0x34b/0x3a0
[ 9.494099][ T184] ? inet_dgram_connect+0x3e0/0x3e0
[ 9.494272][ T184] ? __lock_acquire+0x508/0xc10
[ 9.494463][ T184] ? __might_fault+0x97/0x140
[ 9.494639][ T184] ? __might_fault+0x97/0x140
[ 9.494815][ T184] sock_do_ioctl+0x10e/0x270
[ 9.494997][ T184] ? __sock_recv_cmsgs+0x530/0x530
[ 9.495175][ T184] ? ioctl_file_clone+0xd0/0xd0
[ 9.495352][ T184] sock_ioctl+0x3cb/0x5f0
[ 9.495506][ T184] ? br_ioctl_call+0x80/0x80
[ 9.495681][ T184] ? fd_install+0x19b/0x3d0
[ 9.495857][ T184] ? update_socket_protocol+0x10/0x10
[ 9.496041][ T184] ? alloc_file_clone+0xe0/0xe0
[ 9.496216][ T184] __x64_sys_ioctl+0x11a/0x190
[ 9.496392][ T184] do_syscall_64+0xf3/0xfc0
[ 9.496603][ T184] ? trace_hardirqs_off+0xd/0x30
[ 9.496775][ T184] ? exc_page_fault+0xee/0x100
[ 9.496968][ T184] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.497184][ T184] RIP: 0033:0x47cc8d
[ 9.497333][ T184] 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
[ 9.497847][ T184] RSP: 002b:00007ffe8cc17af0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 9.498092][ T184] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 9.498327][ T184] RDX: 00007ffe8cc17b60 RSI: 0000000000008914 RDI: 0000000000000007
[ 9.498574][ T184] RBP: 00007ffe8cc17b40 R08: 0000000000000000 R09: 0000000000000000
[ 9.498809][ T184] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe8cc18028
[ 9.499050][ T184] R13: 00007ffe8cc18068 R14: 0000000000000002 R15: 0000000000543540
[ 9.499290][ T184]
[ 9.499442][ T184] irq event stamp: 31273
[ 9.499585][ T184] hardirqs last enabled at (31283): [] __up_console_sem+0x5a/0x70
[ 9.499854][ T184] hardirqs last disabled at (31292): [] __up_console_sem+0x3f/0x70
[ 9.500126][ T184] softirqs last enabled at (30564): [] __alloc_skb+0x4c2/0x5f0
[ 9.500388][ T184] softirqs last disabled at (30562): [] __alloc_skb+0x4c2/0x5f0
[ 9.500661][ T184] ---[ end trace 0000000000000000 ]---
[ 19.426598][ T184] ------------[ cut here ]------------
[ 19.426863][ T184] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/184
[ 19.427187][ T184] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 19.428142][ T184] CPU: 2 UID: 0 PID: 184 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 19.429225][ T184] Tainted: [W]=WARN
[ 19.429370][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.429591][ T184] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 19.429812][ T184] 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 88 e9 f0 ff b9 a6 ff ff
[ 19.430333][ T184] RSP: 0018:ffa00000008376e8 EFLAGS: 00010286
[ 19.430559][ T184] RAX: 00000000ffffffa6 RBX: ff1100000c623e00 RCX: 1ff4000000106ea3
[ 19.430802][ T184] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c623ebc
[ 19.431053][ T184] RBP: ff1100000ab84000 R08: 1fe22000018c47d9 R09: ff1100000c3cd1e8
[ 19.431300][ T184] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[ 19.431559][ T184] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000837780
[ 19.431814][ T184] FS: 0000000000000000(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 19.432113][ T184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.432329][ T184] CR2: 00007f7a4794d000 CR3: 000000002af39006 CR4: 0000000000771ef0
[ 19.432585][ T184] PKRU: 55555554
[ 19.432731][ T184] Call Trace:
[ 19.432878][ T184]
[ 19.432993][ T184] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 19.433185][ T184] rtmsg_ifinfo+0x5c/0xb0
[ 19.433334][ T184] netif_close_many+0x2ac/0x640
[ 19.433524][ T184] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 19.433703][ T184] ? lock_acquire.part.0+0xbc/0x260
[ 19.433882][ T184] ? find_held_lock+0x2b/0x80
[ 19.434092][ T184] ? __dev_close_many+0x530/0x530
[ 19.434315][ T184] ? netif_close_many_and_unlock+0x22/0x2c0
[ 19.434547][ T184] unregister_netdevice_many_notify+0x671/0x19a0
[ 19.434765][ T184] ? select_fallback_rq+0x510/0x510
[ 19.434950][ T184] ? unregister_netdevice_queued+0x80/0x80
[ 19.435173][ T184] ? find_held_lock+0x2b/0x80
[ 19.435355][ T184] ? find_held_lock+0x2b/0x80
[ 19.435549][ T184] ? __lock_release.isra.0+0x6b/0x1a0
[ 19.435728][ T184] ? __queue_work+0x315/0xc00
[ 19.435911][ T184] unregister_netdevice_queue+0x290/0x470
[ 19.436097][ T184] ? mark_held_locks+0x40/0x70
[ 19.436276][ T184] ? unregister_netdevice_many+0x20/0x20
[ 19.436466][ T184] ? lockdep_hardirqs_on+0x8c/0x130
[ 19.436647][ T184] ? queue_delayed_work_on+0x95/0x100
[ 19.436829][ T184] __tun_detach+0xf36/0x1320 [tun]
[ 19.437014][ T184] tun_chr_close+0xac/0x1b0 [tun]
[ 19.437205][ T184] __fput+0x363/0xac0
[ 19.437357][ T184] task_work_run+0x12b/0x240
[ 19.437547][ T184] ? lockdep_hardirqs_on+0x8c/0x130
[ 19.437725][ T184] ? task_work_cancel+0x30/0x30
[ 19.437904][ T184] ? kmem_cache_free+0xf8/0x560
[ 19.438095][ T184] do_exit+0x678/0xef0
[ 19.438244][ T184] ? exit_notify+0x890/0x890
[ 19.438431][ T184] ? find_held_lock+0x2b/0x80
[ 19.438610][ T184] ? __lock_release.isra.0+0x6b/0x1a0
[ 19.438787][ T184] ? __rwlock_init+0x150/0x150
[ 19.438966][ T184] do_group_exit+0xb8/0x370
[ 19.439156][ T184] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 19.439368][ T184] ? lockdep_hardirqs_on+0x8c/0x130
[ 19.439555][ T184] ? _raw_spin_unlock_irq+0x28/0x50
[ 19.439758][ T184] ? _raw_spin_unlock_irq+0x33/0x50
[ 19.439942][ T184] get_signal+0x172e/0x1820
[ 19.440132][ T184] ? __raw_spin_lock_init+0x44/0x120
[ 19.440317][ T184] ? mark_usage+0x61/0x170
[ 19.440514][ T184] ? __lock_acquire+0x508/0xc10
[ 19.440693][ T184] ? ptrace_signal+0x600/0x600
[ 19.440873][ T184] ? lock_acquire.part.0+0xbc/0x260
[ 19.441058][ T184] ? find_held_lock+0x2b/0x80
[ 19.441240][ T184] arch_do_signal_or_restart+0xc2/0x3a0
[ 19.441437][ T184] ? fd_install+0x18c/0x3d0
[ 19.441622][ T184] ? get_sigframe_size+0x20/0x20
[ 19.441808][ T184] ? update_socket_protocol+0x10/0x10
[ 19.441992][ T184] ? alloc_file_clone+0xe0/0xe0
[ 19.442182][ T184] ? rcu_is_watching+0x15/0xd0
[ 19.442368][ T184] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 19.442615][ T184] exit_to_user_mode_loop+0x86/0x520
[ 19.442798][ T184] ? rcu_is_watching+0x15/0xd0
[ 19.442984][ T184] do_syscall_64+0x4c8/0xfc0
[ 19.443176][ T184] ? irq_exit_rcu+0x1a/0x30
[ 19.443358][ T184] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 19.443583][ T184] RIP: 0033:0x47ea2b
[ 19.443735][ T184] Code: Unable to access opcode bytes at 0x47ea01.
[ 19.443969][ T184] RSP: 002b:00007ffe8cc17578 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 19.444221][ T184] RAX: 0000000000000008 RBX: 00007ffe8cc17650 RCX: 000000000047ea2b
[ 19.444476][ T184] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010
[ 19.444724][ T184] RBP: 00007ffe8cc175b0 R08: 0000000000000041 R09: 000000001d646450
[ 19.444970][ T184] R10: 0000000000000040 R11: 0000000000000202 R12: 00007ffe8cc18028
[ 19.445233][ T184] R13: 00007ffe8cc18068 R14: 00007ffe8cc17b28 R15: 0000000000543540
[ 19.445501][ T184]
[ 19.445649][ T184] irq event stamp: 15366253
[ 19.445828][ T184] hardirqs last enabled at (15366263): [] __up_console_sem+0x5a/0x70
[ 19.446119][ T184] hardirqs last disabled at (15366272): [] __up_console_sem+0x3f/0x70
[ 19.446414][ T184] softirqs last enabled at (15365394): [] handle_softirqs+0x611/0x940
[ 19.446693][ T184] softirqs last disabled at (15364207): [] __irq_exit_rcu+0x103/0x1c0
[ 19.446971][ T184] ---[ end trace 0000000000000000 ]---
[ 19.450410][ T184] ------------[ cut here ]------------
[ 19.450612][ T184] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/184
[ 19.450918][ T184] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 19.451172][ T184] CPU: 2 UID: 0 PID: 184 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 19.451516][ T184] Tainted: [W]=WARN
[ 19.451660][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.451869][ T184] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 19.452096][ T184] 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 88 e9 f0 ff b9 a6 ff ff
[ 19.453137][ T184] RSP: 0018:ffa0000000837818 EFLAGS: 00010286
[ 19.453855][ T184] RAX: 00000000ffffffa6 RBX: ff1100000b3de3c0 RCX: 1ff4000000106ec9
[ 19.454598][ T184] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3de47c
[ 19.455327][ T184] RBP: ff1100000ab84000 R08: 1fe220000167bc91 R09: ff1100000c3cd1e8
[ 19.456095][ T184] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 19.456329][ T184] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 19.456577][ T184] FS: 0000000000000000(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 19.456849][ T184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.457063][ T184] CR2: 00007f7a4794d000 CR3: 000000002af39006 CR4: 0000000000771ef0
[ 19.457303][ T184] PKRU: 55555554
[ 19.457452][ T184] Call Trace:
[ 19.457594][ T184]
[ 19.457706][ T184] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 19.457912][ T184] ? unregister_netdevice_queued+0x80/0x80
[ 19.458123][ T184] ? find_held_lock+0x2b/0x80
[ 19.458303][ T184] ? find_held_lock+0x2b/0x80
[ 19.458493][ T184] ? __lock_release.isra.0+0x6b/0x1a0
[ 19.458670][ T184] ? __queue_work+0x315/0xc00
[ 19.458849][ T184] unregister_netdevice_queue+0x290/0x470
[ 19.459033][ T184] ? mark_held_locks+0x40/0x70
[ 19.459211][ T184] ? unregister_netdevice_many+0x20/0x20
[ 19.459389][ T184] ? lockdep_hardirqs_on+0x8c/0x130
[ 19.459576][ T184] ? queue_delayed_work_on+0x95/0x100
[ 19.459754][ T184] __tun_detach+0xf36/0x1320 [tun]
[ 19.459936][ T184] tun_chr_close+0xac/0x1b0 [tun]
[ 19.460123][ T184] __fput+0x363/0xac0
[ 19.460271][ T184] task_work_run+0x12b/0x240
[ 19.460459][ T184] ? lockdep_hardirqs_on+0x8c/0x130
[ 19.460635][ T184] ? task_work_cancel+0x30/0x30
[ 19.460813][ T184] ? kmem_cache_free+0xf8/0x560
[ 19.460993][ T184] do_exit+0x678/0xef0
[ 19.461149][ T184] ? exit_notify+0x890/0x890
[ 19.461325][ T184] ? find_held_lock+0x2b/0x80
[ 19.461515][ T184] ? __lock_release.isra.0+0x6b/0x1a0
[ 19.461691][ T184] ? __rwlock_init+0x150/0x150
[ 19.461870][ T184] do_group_exit+0xb8/0x370
[ 19.462055][ T184] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 19.462262][ T184] ? lockdep_hardirqs_on+0x8c/0x130
[ 19.462448][ T184] ? _raw_spin_unlock_irq+0x28/0x50
[ 19.462625][ T184] ? _raw_spin_unlock_irq+0x33/0x50
[ 19.462796][ T184] get_signal+0x172e/0x1820
[ 19.462969][ T184] ? __raw_spin_lock_init+0x44/0x120
[ 19.463149][ T184] ? mark_usage+0x61/0x170
[ 19.463321][ T184] ? __lock_acquire+0x508/0xc10
[ 19.463506][ T184] ? ptrace_signal+0x600/0x600
[ 19.463679][ T184] ? lock_acquire.part.0+0xbc/0x260
[ 19.463849][ T184] ? find_held_lock+0x2b/0x80
[ 19.464034][ T184] arch_do_signal_or_restart+0xc2/0x3a0
[ 19.464208][ T184] ? fd_install+0x18c/0x3d0
[ 19.464383][ T184] ? get_sigframe_size+0x20/0x20
[ 19.464570][ T184] ? update_socket_protocol+0x10/0x10
[ 19.464743][ T184] ? alloc_file_clone+0xe0/0xe0
[ 19.464915][ T184] ? rcu_is_watching+0x15/0xd0
[ 19.465095][ T184] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 19.465309][ T184] exit_to_user_mode_loop+0x86/0x520
[ 19.465499][ T184] ? rcu_is_watching+0x15/0xd0
[ 19.465675][ T184] do_syscall_64+0x4c8/0xfc0
[ 19.465850][ T184] ? irq_exit_rcu+0x1a/0x30
[ 19.466031][ T184] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 19.466236][ T184] RIP: 0033:0x47ea2b
[ 19.466384][ T184] Code: Unable to access opcode bytes at 0x47ea01.
[ 19.466607][ T184] RSP: 002b:00007ffe8cc17578 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 19.466846][ T184] RAX: 0000000000000008 RBX: 00007ffe8cc17650 RCX: 000000000047ea2b
[ 19.467090][ T184] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010
[ 19.467327][ T184] RBP: 00007ffe8cc175b0 R08: 0000000000000041 R09: 000000001d646450
[ 19.467578][ T184] R10: 0000000000000040 R11: 0000000000000202 R12: 00007ffe8cc18028
[ 19.467814][ T184] R13: 00007ffe8cc18068 R14: 00007ffe8cc17b28 R15: 0000000000543540
[ 19.468065][ T184]
[ 19.468207][ T184] irq event stamp: 15376477
[ 19.468379][ T184] hardirqs last enabled at (15376487): [] __up_console_sem+0x5a/0x70
[ 19.468661][ T184] hardirqs last disabled at (15376498): [] __up_console_sem+0x3f/0x70
[ 19.468929][ T184] softirqs last enabled at (15376334): [] handle_softirqs+0x611/0x940
[ 19.469206][ T184] softirqs last disabled at (15376327): [] __irq_exit_rcu+0x103/0x1c0
[ 19.469482][ T184] ---[ end trace 0000000000000000 ]---
[ 19.482189][ T12] ------------[ cut here ]------------
[ 19.482451][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: kworker/u16:0/12
[ 19.482689][ T12] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 19.482931][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 19.483210][ T12] Tainted: [W]=WARN
[ 19.483301][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.483487][ T12] Workqueue: netns cleanup_net
[ 19.483626][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 19.483783][ 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 88 e9 f0 ff b9 a6 ff ff
[ 19.484212][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 19.484361][ T12] RAX: 00000000ffffffa6 RBX: ff1100000b3df1c0 RCX: 1ff4000000018ed5
[ 19.484553][ T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3df27c
[ 19.484733][ T12] RBP: ff110000050e9000 R08: 1fe220000167be51 R09: ff11000001afd260
[ 19.484919][ T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 19.485113][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 19.485298][ T12] FS: 0000000000000000(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 19.485515][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.485665][ T12] CR2: 00007f70447d5000 CR3: 000000002af39006 CR4: 0000000000771ef0
[ 19.485845][ T12] PKRU: 55555554
[ 19.485935][ T12] Call Trace:
[ 19.486031][ T12]
[ 19.486095][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 19.486247][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 19.486397][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 19.486562][ T12] default_device_exit_batch+0x38b/0x600
[ 19.486683][ T12] ? generic_xdp_install+0x400/0x400
[ 19.486800][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 19.486920][ T12] ? unregister_netdev+0x60/0x60
[ 19.487050][ T12] ? rtnl_is_locked+0x15/0x20
[ 19.487168][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 19.487294][ T12] ops_undo_list+0x2ce/0x8f0
[ 19.487421][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 19.487543][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 19.487666][ T12] cleanup_net+0x431/0x890
[ 19.487785][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 19.487904][ T12] ? process_one_work+0xdb7/0x1410
[ 19.488031][ T12] ? lock_acquire+0x134/0x160
[ 19.488151][ T12] ? rcu_is_watching+0x15/0xd0
[ 19.488272][ T12] process_one_work+0xdf8/0x1410
[ 19.488394][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 19.488522][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 19.488646][ T12] worker_thread+0x4f1/0xd60
[ 19.488769][ T12] ? rescuer_thread+0x1320/0x1320
[ 19.488893][ T12] kthread+0x367/0x460
[ 19.488985][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 19.489139][ T12] ? kthread_affine_node+0x330/0x330
[ 19.489262][ T12] ret_from_fork+0x4a4/0x720
[ 19.489386][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 19.489539][ T12] ? __switch_to+0x5a3/0xe00
[ 19.489662][ T12] ? kthread_affine_node+0x330/0x330
[ 19.489780][ T12] ret_from_fork_asm+0x11/0x20
[ 19.489906][ T12]
[ 19.489994][ T12] irq event stamp: 2665
[ 19.490089][ T12] hardirqs last enabled at (2673): [] __up_console_sem+0x5a/0x70
[ 19.490302][ T12] hardirqs last disabled at (2680): [] __up_console_sem+0x3f/0x70
[ 19.490520][ T12] softirqs last enabled at (2196): [] handle_softirqs+0x611/0x940
[ 19.490732][ T12] softirqs last disabled at (2185): [] __irq_exit_rcu+0x103/0x1c0
[ 19.490946][ T12] ---[ end trace 0000000000000000 ]---
[ 19.528221][ T186] ------------[ cut here ]------------
[ 19.528388][ T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: unshare/186
[ 19.529096][ T186] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 19.529297][ T186] CPU: 3 UID: 0 PID: 186 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 19.529559][ T186] Tainted: [W]=WARN
[ 19.529657][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.529818][ T186] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 19.529988][ T186] 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 88 e9 f0 ff b9 a6 ff ff
[ 19.530450][ T186] RSP: 0018:ffa00000007f7ab0 EFLAGS: 00010286
[ 19.530613][ T186] RAX: 00000000ffffffa6 RBX: ff110000095671c0 RCX: 1ff40000000fef1c
[ 19.530807][ T186] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000956727c
[ 19.530997][ T186] RBP: ff11000011a9c000 R08: 1fe22000012ace51 R09: ff1100000c4ad210
[ 19.531195][ T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 19.531385][ T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011a9c000
[ 19.531582][ T186] FS: 00007f7960cdd740(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 19.531810][ T186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.531972][ T186] CR2: 000055bb8e61c008 CR3: 000000000d850004 CR4: 0000000000771ef0
[ 19.532172][ T186] PKRU: 55555554
[ 19.532267][ T186] Call Trace:
[ 19.532364][ T186]
[ 19.532436][ T186] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 19.532568][ T186] ? notifier_call_chain+0xb0/0x320
[ 19.532701][ T186] rtmsg_ifinfo+0x5c/0xb0
[ 19.532800][ T186] register_netdevice+0x137a/0x1980
[ 19.532930][ T186] ? unregister_netdevice_queue+0x470/0x470
[ 19.533098][ T186] register_netdev+0x23/0x40
[ 19.533227][ T186] loopback_net_init+0x7d/0x150
[ 19.533358][ T186] ops_init+0x187/0x560
[ 19.533465][ T186] setup_net+0x11b/0x3b0
[ 19.533564][ T186] ? unregister_pernet_device+0x80/0x80
[ 19.533692][ T186] ? lockdep_init_map_type+0x5d/0x250
[ 19.533821][ T186] ? mutex_init_lockdep+0xf6/0x120
[ 19.533952][ T186] copy_net_ns+0x2fd/0x450
[ 19.534086][ T186] create_new_namespaces+0x371/0xa10
[ 19.534218][ T186] unshare_nsproxy_namespaces+0xa5/0x150
[ 19.534351][ T186] ksys_unshare+0x47e/0x8c0
[ 19.534487][ T186] ? walk_process_tree+0x350/0x350
[ 19.534643][ T186] __x64_sys_unshare+0x34/0x50
[ 19.534773][ T186] ? do_syscall_64+0x82/0xfc0
[ 19.534903][ T186] do_syscall_64+0xf3/0xfc0
[ 19.535038][ T186] ? trace_hardirqs_off+0xd/0x30
[ 19.535168][ T186] ? exc_page_fault+0xee/0x100
[ 19.535297][ T186] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 19.535466][ T186] RIP: 0033:0x7f7960dd8bcb
[ 19.535605][ T186] 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
[ 19.536072][ T186] RSP: 002b:00007ffdbe267e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 19.536269][ T186] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7960dd8bcb
[ 19.536469][ T186] RDX: 0000000000000000 RSI: 00007ffdbe267be0 RDI: 0000000040000000
[ 19.536663][ T186] RBP: 00007ffdbe268200 R08: 00007ffdbe267dd0 R09: 0000000000000000
[ 19.536857][ T186] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 19.537058][ T186] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055bb649fbb68
[ 19.537259][ T186]
[ 19.537355][ T186] irq event stamp: 18159
[ 19.537458][ T186] hardirqs last enabled at (18169): [] __up_console_sem+0x5a/0x70
[ 19.537683][ T186] hardirqs last disabled at (18176): [] __up_console_sem+0x3f/0x70
[ 19.537907][ T186] softirqs last enabled at (17698): [] handle_softirqs+0x611/0x940
[ 19.538138][ T186] softirqs last disabled at (16903): [] __irq_exit_rcu+0x103/0x1c0
[ 19.538362][ T186] ---[ end trace 0000000000000000 ]---
[ 19.547560][ T186] ------------[ cut here ]------------
[ 19.547729][ T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/186
[ 19.547981][ T186] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 19.548185][ T186] CPU: 3 UID: 0 PID: 186 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 19.548480][ T186] Tainted: [W]=WARN
[ 19.548580][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.548739][ T186] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 19.548905][ T186] 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 88 e9 f0 ff b9 a6 ff ff
[ 19.549361][ T186] RSP: 0018:ffa00000007f7b58 EFLAGS: 00010286
[ 19.549528][ T186] RAX: 00000000ffffffa6 RBX: ff11000008f1f8c0 RCX: 1ff40000000fef31
[ 19.549720][ T186] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008f1f97c
[ 19.549909][ T186] RBP: ff1100000918c000 R08: 1fe22000011e3f31 R09: ff1100000c4ad1e8
[ 19.550103][ T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 19.550295][ T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000918c000
[ 19.550491][ T186] FS: 000000002107f400(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 19.550717][ T186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.550877][ T186] CR2: 00007fd714876000 CR3: 000000000f480005 CR4: 0000000000771ef0
[ 19.551073][ T186] PKRU: 55555554
[ 19.551172][ T186] Call Trace:
[ 19.551268][ T186]
[ 19.551334][ T186] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 19.551468][ T186] ? notifier_call_chain+0xb0/0x320
[ 19.551598][ T186] rtmsg_ifinfo+0x5c/0xb0
[ 19.551696][ T186] register_netdevice+0x137a/0x1980
[ 19.551826][ T186] ? unregister_netdevice_queue+0x470/0x470
[ 19.551985][ T186] ? alloc_netdev_mqs+0xec0/0x1480
[ 19.552120][ T186] tun_set_iff.constprop.0+0xc61/0x1850 [tun]
[ 19.552282][ T186] ? tun_attach.isra.0+0x1630/0x1630 [tun]
[ 19.552445][ T186] ? tun_get+0x106/0x240 [tun]
[ 19.552575][ T186] __tun_chr_ioctl+0x4b0/0x2470 [tun]
[ 19.552703][ T186] ? build_open_flags+0x620/0x620
[ 19.552832][ T186] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 19.552963][ T186] ? lockdep_hardirqs_on+0x8c/0x130
[ 19.553096][ T186] ? __x64_sys_openat+0x10e/0x210
[ 19.553222][ T186] ? fput_close_sync+0xde/0x1b0
[ 19.553348][ T186] ? __ia32_sys_open+0x1b0/0x1b0
[ 19.553481][ T186] __x64_sys_ioctl+0x11a/0x190
[ 19.553611][ T186] do_syscall_64+0xf3/0xfc0
[ 19.553738][ T186] ? trace_hardirqs_off+0xd/0x30
[ 19.553865][ T186] ? exc_page_fault+0xee/0x100
[ 19.553994][ T186] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 19.554157][ T186] RIP: 0033:0x47cc8d
[ 19.554258][ T186] 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
[ 19.554713][ T186] RSP: 002b:00007ffc1773efe0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 19.554906][ T186] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 19.555098][ T186] RDX: 00007ffc1773f060 RSI: 00000000400454ca RDI: 0000000000000006
[ 19.555286][ T186] RBP: 00007ffc1773f030 R08: 0000000000000000 R09: 0000000000000000
[ 19.555478][ T186] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc1773f538
[ 19.555669][ T186] R13: 00007ffc1773f578 R14: 0000000000000002 R15: 0000000000543540
[ 19.555863][ T186]
[ 19.555958][ T186] irq event stamp: 28179
[ 19.556055][ T186] hardirqs last enabled at (28187): [] __up_console_sem+0x5a/0x70
[ 19.556273][ T186] hardirqs last disabled at (28194): [] __up_console_sem+0x3f/0x70
[ 19.556497][ T186] softirqs last enabled at (27704): [] __alloc_skb+0x4c2/0x5f0
[ 19.556715][ T186] softirqs last disabled at (27702): [] __alloc_skb+0x4c2/0x5f0
[ 19.556936][ T186] ---[ end trace 0000000000000000 ]---
[ 19.582180][ T187] ------------[ cut here ]------------
[ 19.582330][ T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ifconfig/187
[ 19.583353][ T187] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 19.583754][ T187] CPU: 0 UID: 0 PID: 187 Comm: ifconfig Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 19.584046][ T187] Tainted: [W]=WARN
[ 19.584142][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.584297][ T187] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 19.584468][ T187] 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 88 e9 f0 ff b9 a6 ff ff
[ 19.584908][ T187] RSP: 0018:ffa0000000807850 EFLAGS: 00010286
[ 19.585071][ T187] RAX: 00000000ffffffa6 RBX: ff11000008f1fa80 RCX: 1ff4000000100ed0
[ 19.585256][ T187] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008f1fb3c
[ 19.585445][ T187] RBP: ff1100000918c000 R08: 1fe22000011e3f69 R09: ff1100000cfbd1e8
[ 19.585631][ T187] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[ 19.585815][ T187] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 19.586004][ T187] FS: 00007fac23bdc740(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 19.586229][ T187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.586384][ T187] CR2: 000055da50d50717 CR3: 0000000005def004 CR4: 0000000000771ef0
[ 19.586577][ T187] PKRU: 55555554
[ 19.586671][ T187] Call Trace:
[ 19.586764][ T187]
[ 19.586829][ T187] ? rcu_is_watching+0x15/0xd0
[ 19.586958][ T187] rtnetlink_event+0xe0/0x1f0
[ 19.587089][ T187] notifier_call_chain+0xb0/0x320
[ 19.587218][ T187] netif_set_mtu_ext+0x354/0x5f0
[ 19.587343][ T187] ? dev_validate_mtu+0x180/0x180
[ 19.587475][ T187] ? rcu_read_lock_any_held+0x3c/0x90
[ 19.587599][ T187] ? validate_chain+0x38b/0xc20
[ 19.587725][ T187] netif_set_mtu+0x85/0xe0
[ 19.587850][ T187] ? netif_set_mtu_ext+0x5f0/0x5f0
[ 19.587973][ T187] ? static_obj+0x90/0x90
[ 19.588078][ T187] ? lock_acquire+0x134/0x160
[ 19.588202][ T187] ? rcu_is_watching+0x15/0xd0
[ 19.588326][ T187] ? rcu_is_watching+0x15/0xd0
[ 19.588456][ T187] ? trace_contention_end+0xb3/0x1a0
[ 19.588580][ T187] dev_set_mtu+0x9d/0x150
[ 19.588674][ T187] dev_ifsioc+0x3dc/0x17d0
[ 19.588799][ T187] ? mark_usage+0x61/0x170
[ 19.588925][ T187] ? dev_set_hwtstamp+0x4c0/0x4c0
[ 19.589052][ T187] ? ww_mutex_lock+0x160/0x160
[ 19.589178][ T187] ? lock_acquire.part.0+0xbc/0x260
[ 19.589301][ T187] ? find_held_lock+0x2b/0x80
[ 19.589431][ T187] ? __lock_release.isra.0+0x6b/0x1a0
[ 19.589555][ T187] ? dev_load+0x6c/0x180
[ 19.589650][ T187] dev_ioctl+0x2eb/0xe50
[ 19.589745][ T187] sock_do_ioctl+0x1a4/0x270
[ 19.589871][ T187] ? do_pte_missing+0x9ae/0xe40
[ 19.589995][ T187] ? __sock_recv_cmsgs+0x530/0x530
[ 19.590124][ T187] ? rcu_read_unlock+0x20/0x70
[ 19.590248][ T187] ? __handle_mm_fault+0x5ed/0x840
[ 19.590372][ T187] ? ioctl_file_clone+0xd0/0xd0
[ 19.590506][ T187] sock_ioctl+0x3cb/0x5f0
[ 19.590600][ T187] ? br_ioctl_call+0x80/0x80
[ 19.590725][ T187] ? __up_read+0x208/0x720
[ 19.590848][ T187] ? __up_read+0x2e8/0x720
[ 19.590972][ T187] ? down_write_nested+0x200/0x200
[ 19.591104][ T187] ? __lock_release.isra.0+0x6b/0x1a0
[ 19.591240][ T187] ? do_user_addr_fault+0x325/0xe30
[ 19.591435][ T187] __x64_sys_ioctl+0x11a/0x190
[ 19.591598][ T187] do_syscall_64+0xf3/0xfc0
[ 19.591723][ T187] ? trace_hardirqs_off+0xd/0x30
[ 19.591847][ T187] ? exc_page_fault+0xee/0x100
[ 19.591973][ T187] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 19.592130][ T187] RIP: 0033:0x7fac23cd25fd
[ 19.592262][ T187] 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
[ 19.592711][ T187] RSP: 002b:00007ffc15938f20 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 19.592897][ T187] RAX: ffffffffffffffda RBX: 00007ffc1593a81d RCX: 00007fac23cd25fd
[ 19.593089][ T187] RDX: 00007ffc15938fd0 RSI: 0000000000008922 RDI: 0000000000000008
[ 19.593274][ T187] RBP: 00007ffc15938f70 R08: 0000000000000000 R09: 00007ffc1593a821
[ 19.593465][ T187] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc15939308
[ 19.593651][ T187] R13: 0000000000000004 R14: 00007fac23e20000 R15: 000055da50d60918
[ 19.593842][ T187]
[ 19.593935][ T187] irq event stamp: 24043
[ 19.594031][ T187] hardirqs last enabled at (24051): [] __up_console_sem+0x5a/0x70
[ 19.594248][ T187] hardirqs last disabled at (24058): [] __up_console_sem+0x3f/0x70
[ 19.594468][ T187] softirqs last enabled at (23464): [] handle_softirqs+0x611/0x940
[ 19.594683][ T187] softirqs last disabled at (23113): [] __irq_exit_rcu+0x103/0x1c0
[ 19.594898][ T187] ---[ end trace 0000000000000000 ]---
[ 19.596675][ T186] ------------[ cut here ]------------
[ 19.596814][ T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/186
[ 19.597054][ T186] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 19.597236][ T186] CPU: 3 UID: 0 PID: 186 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 19.597522][ T186] Tainted: [W]=WARN
[ 19.597611][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.597756][ T186] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 19.597911][ T186] 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 88 e9 f0 ff b9 a6 ff ff
[ 19.598338][ T186] RSP: 0018:ffa00000007f7c58 EFLAGS: 00010286
[ 19.598493][ T186] RAX: 00000000ffffffa6 RBX: ff11000008f1fc40 RCX: 1ff40000000fef51
[ 19.598667][ T186] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008f1fcfc
[ 19.598842][ T186] RBP: ff1100000918c000 R08: 1fe22000011e3fa1 R09: ff1100000c4ad1e8
[ 19.599024][ T186] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[ 19.599202][ T186] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[ 19.599376][ T186] FS: 000000002107f400(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 19.599588][ T186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.599736][ T186] CR2: 00007fd714876000 CR3: 000000000f480005 CR4: 0000000000771ef0
[ 19.599915][ T186] PKRU: 55555554
[ 19.600003][ T186] Call Trace:
[ 19.600100][ T186]
[ 19.600165][ T186] ? rcu_is_watching+0x15/0xd0
[ 19.600283][ T186] rtnetlink_event+0xe0/0x1f0
[ 19.600408][ T186] notifier_call_chain+0xb0/0x320
[ 19.600530][ T186] netdev_update_features+0xa9/0xb0
[ 19.600648][ T186] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 19.600797][ T186] __tun_chr_ioctl+0xc7f/0x2470 [tun]
[ 19.600918][ T186] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 19.601044][ T186] ? fd_install+0x19b/0x3d0
[ 19.601166][ T186] ? update_socket_protocol+0x10/0x10
[ 19.601283][ T186] ? rcu_is_watching+0x15/0xd0
[ 19.601408][ T186] __x64_sys_ioctl+0x11a/0x190
[ 19.601538][ T186] do_syscall_64+0xf3/0xfc0
[ 19.601662][ T186] ? trace_hardirqs_off+0xd/0x30
[ 19.601780][ T186] ? exc_page_fault+0xee/0x100
[ 19.601899][ T186] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 19.602051][ T186] RIP: 0033:0x47cc8d
[ 19.602145][ T186] 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
[ 19.602581][ T186] RSP: 002b:00007ffc1773f020 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 19.602759][ T186] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 19.602937][ T186] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000006
[ 19.603122][ T186] RBP: 00007ffc1773f070 R08: 0000000000000021 R09: 0000000021080450
[ 19.603302][ T186] R10: 0000000000000020 R11: 0000000000000246 R12: 00007ffc1773f538
[ 19.603492][ T186] R13: 00007ffc1773f578 R14: 0000000000000002 R15: 0000000000543540
[ 19.603678][ T186]
[ 19.603767][ T186] irq event stamp: 29237
[ 19.603856][ T186] hardirqs last enabled at (29245): [] __up_console_sem+0x5a/0x70
[ 19.604066][ T186] hardirqs last disabled at (29252): [] __up_console_sem+0x3f/0x70
[ 19.604268][ T186] softirqs last enabled at (29046): [] handle_softirqs+0x611/0x940
[ 19.604486][ T186] softirqs last disabled at (29041): [] __irq_exit_rcu+0x103/0x1c0
[ 19.604690][ T186] ---[ end trace 0000000000000000 ]---
[ 19.605128][ T186] ------------[ cut here ]------------
[ 19.605257][ T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/186
[ 19.605503][ T186] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 19.605693][ T186] CPU: 3 UID: 0 PID: 186 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 19.605977][ T186] Tainted: [W]=WARN
[ 19.606078][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.606234][ T186] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 19.606395][ T186] 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 88 e9 f0 ff b9 a6 ff ff
[ 19.606846][ T186] RSP: 0018:ffa00000007f7910 EFLAGS: 00010286
[ 19.607001][ T186] RAX: 00000000ffffffa6 RBX: ff11000008f1f540 RCX: 1ff40000000feee8
[ 19.607192][ T186] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008f1f5fc
[ 19.607379][ T186] RBP: ff1100000918c000 R08: 1fe22000011e3ec1 R09: ff1100000c4ad1e8
[ 19.607567][ T186] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[ 19.607754][ T186] R13: 0000000000000000 R14: 0000000000000000 R15: 00000000000010d1
[ 19.607940][ T186] FS: 000000002107f400(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 19.608165][ T186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.608320][ T186] CR2: 00007fd714876000 CR3: 000000000f480005 CR4: 0000000000771ef0
[ 19.608512][ T186] PKRU: 55555554
[ 19.608605][ T186] Call Trace:
[ 19.608699][ T186]
[ 19.608764][ T186] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 19.608891][ T186] rtmsg_ifinfo+0x5c/0xb0
[ 19.608987][ T186] ? mark_held_locks+0x40/0x70
[ 19.609118][ T186] __dev_notify_flags+0x1b8/0x280
[ 19.609245][ T186] ? netif_change_name+0x8c0/0x8c0
[ 19.609371][ T186] ? __dev_change_flags+0x4a4/0x660
[ 19.609504][ T186] ? netif_set_allmulti+0x250/0x250
[ 19.609629][ T186] ? lock_acquire.part.0+0xbc/0x260
[ 19.609754][ T186] ? dev_ioctl+0x2db/0xe50
[ 19.609882][ T186] netif_change_flags+0xfe/0x190
[ 19.610009][ T186] dev_change_flags+0xa5/0x170
[ 19.610141][ T186] dev_ifsioc+0x11b3/0x17d0
[ 19.610268][ T186] ? mark_usage+0x61/0x170
[ 19.610392][ T186] ? dev_set_hwtstamp+0x4c0/0x4c0
[ 19.610522][ T186] ? ww_mutex_lock+0x160/0x160
[ 19.610649][ T186] ? lock_acquire.part.0+0xbc/0x260
[ 19.610773][ T186] ? find_held_lock+0x2b/0x80
[ 19.610901][ T186] ? __lock_release.isra.0+0x6b/0x1a0
[ 19.611031][ T186] ? dev_load+0x6c/0x180
[ 19.611128][ T186] dev_ioctl+0x2eb/0xe50
[ 19.611225][ T186] sock_do_ioctl+0x1a4/0x270
[ 19.611351][ T186] ? __sock_recv_cmsgs+0x530/0x530
[ 19.611482][ T186] ? ioctl_file_clone+0xd0/0xd0
[ 19.611610][ T186] sock_ioctl+0x3cb/0x5f0
[ 19.611705][ T186] ? br_ioctl_call+0x80/0x80
[ 19.611830][ T186] ? fd_install+0x19b/0x3d0
[ 19.611958][ T186] ? update_socket_protocol+0x10/0x10
[ 19.612089][ T186] ? rcu_is_watching+0x15/0xd0
[ 19.612218][ T186] __x64_sys_ioctl+0x11a/0x190
[ 19.612344][ T186] do_syscall_64+0xf3/0xfc0
[ 19.612478][ T186] ? trace_hardirqs_off+0xd/0x30
[ 19.612601][ T186] ? exc_page_fault+0xee/0x100
[ 19.612726][ T186] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 19.612882][ T186] RIP: 0033:0x47cc8d
[ 19.612980][ T186] 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
[ 19.613433][ T186] RSP: 002b:00007ffc1773f000 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 19.613620][ T186] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 19.613805][ T186] RDX: 00007ffc1773f070 RSI: 0000000000008914 RDI: 0000000000000007
[ 19.613993][ T186] RBP: 00007ffc1773f050 R08: 0000000000000021 R09: 0000000021080450
[ 19.614182][ T186] R10: 0000000000000020 R11: 0000000000000246 R12: 00007ffc1773f538
[ 19.614367][ T186] R13: 00007ffc1773f578 R14: 0000000000000002 R15: 0000000000543540
[ 19.614565][ T186]
[ 19.614658][ T186] irq event stamp: 30093
[ 19.614754][ T186] hardirqs last enabled at (30101): [] __up_console_sem+0x5a/0x70
[ 19.614969][ T186] hardirqs last disabled at (30108): [] __up_console_sem+0x3f/0x70
[ 19.615189][ T186] softirqs last enabled at (29504): [] __alloc_skb+0x4c2/0x5f0
[ 19.615409][ T186] softirqs last disabled at (29502): [] __alloc_skb+0x4c2/0x5f0
[ 19.615626][ T186] ---[ end trace 0000000000000000 ]---
[ 29.510839][ T186] ------------[ cut here ]------------
[ 29.511058][ T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/186
[ 29.511339][ T186] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 29.511562][ T186] CPU: 3 UID: 0 PID: 186 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 29.511879][ T186] Tainted: [W]=WARN
[ 29.511986][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.512175][ T186] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 29.512359][ T186] 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 88 e9 f0 ff b9 a6 ff ff
[ 29.512858][ T186] RSP: 0018:ffa00000007f76e8 EFLAGS: 00010286
[ 29.513030][ T186] RAX: 00000000ffffffa6 RBX: ff110000093a0740 RCX: 1ff40000000feea3
[ 29.513242][ T186] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000093a07fc
[ 29.513449][ T186] RBP: ff1100000918c000 R08: 1fe2200001274101 R09: ff1100000c4ad1e8
[ 29.513658][ T186] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[ 29.513869][ T186] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000007f7780
[ 29.514085][ T186] FS: 0000000000000000(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 29.514334][ T186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 29.514513][ T186] CR2: 00007fdbd4d4c6f0 CR3: 000000002af39006 CR4: 0000000000771ef0
[ 29.514722][ T186] PKRU: 55555554
[ 29.514825][ T186] Call Trace:
[ 29.514931][ T186]
[ 29.515005][ T186] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 29.515155][ T186] rtmsg_ifinfo+0x5c/0xb0
[ 29.515263][ T186] netif_close_many+0x2ac/0x640
[ 29.515410][ T186] ? find_held_lock+0x2b/0x80
[ 29.515553][ T186] ? __dev_close_many+0x530/0x530
[ 29.515693][ T186] ? netif_close_many_and_unlock+0x22/0x2c0
[ 29.515869][ T186] unregister_netdevice_many_notify+0x671/0x19a0
[ 29.516040][ T186] ? select_fallback_rq+0x510/0x510
[ 29.516181][ T186] ? unregister_netdevice_queued+0x80/0x80
[ 29.516348][ T186] ? find_held_lock+0x2b/0x80
[ 29.516488][ T186] ? find_held_lock+0x2b/0x80
[ 29.516625][ T186] ? __lock_release.isra.0+0x6b/0x1a0
[ 29.516761][ T186] ? __queue_work+0x315/0xc00
[ 29.516899][ T186] unregister_netdevice_queue+0x290/0x470
[ 29.517037][ T186] ? unregister_netdevice_many+0x20/0x20
[ 29.517210][ T186] ? lockdep_hardirqs_on+0x8c/0x130
[ 29.517360][ T186] ? queue_delayed_work_on+0x95/0x100
[ 29.518173][ T186] __tun_detach+0xf36/0x1320 [tun]
[ 29.518318][ T186] tun_chr_close+0xac/0x1b0 [tun]
[ 29.518549][ T186] __fput+0x363/0xac0
[ 29.518656][ T186] task_work_run+0x12b/0x240
[ 29.518792][ T186] ? lockdep_hardirqs_on+0x8c/0x130
[ 29.518932][ T186] ? task_work_cancel+0x30/0x30
[ 29.519074][ T186] ? kmem_cache_free+0xf8/0x560
[ 29.519213][ T186] do_exit+0x678/0xef0
[ 29.519318][ T186] ? exit_notify+0x890/0x890
[ 29.519535][ T186] ? find_held_lock+0x2b/0x80
[ 29.519671][ T186] ? __lock_release.isra.0+0x6b/0x1a0
[ 29.519807][ T186] ? __rwlock_init+0x150/0x150
[ 29.519945][ T186] do_group_exit+0xb8/0x370
[ 29.520085][ T186] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 29.520253][ T186] ? lockdep_hardirqs_on+0x8c/0x130
[ 29.520386][ T186] ? _raw_spin_unlock_irq+0x28/0x50
[ 29.520590][ T186] ? _raw_spin_unlock_irq+0x33/0x50
[ 29.520723][ T186] get_signal+0x172e/0x1820
[ 29.520862][ T186] ? __sys_sendto+0x2bc/0x3e0
[ 29.520999][ T186] ? __ia32_sys_getpeername+0xd0/0xd0
[ 29.521140][ T186] ? _copy_to_user+0x4b/0x70
[ 29.521277][ T186] ? ptrace_signal+0x600/0x600
[ 29.521505][ T186] arch_do_signal_or_restart+0xc2/0x3a0
[ 29.521643][ T186] ? get_sigframe_size+0x20/0x20
[ 29.521780][ T186] ? rcu_is_watching+0x15/0xd0
[ 29.521917][ T186] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 29.522092][ T186] exit_to_user_mode_loop+0x86/0x520
[ 29.522227][ T186] ? rcu_is_watching+0x15/0xd0
[ 29.522362][ T186] do_syscall_64+0x4c8/0xfc0
[ 29.522578][ T186] ? irq_exit_rcu+0x1a/0x30
[ 29.522715][ T186] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 29.522885][ T186] RIP: 0033:0x4c2d9e
[ 29.522994][ T186] Code: Unable to access opcode bytes at 0x4c2d74.
[ 29.523174][ T186] RSP: 002b:00007ffc1773e990 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 29.523379][ T186] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 29.523649][ T186] RDX: 0000000000000014 RSI: 00007ffc1773ea70 RDI: 0000000000000008
[ 29.523850][ T186] RBP: 00007ffc1773e9a0 R08: 00007ffc1773ea30 R09: 000000000000000c
[ 29.524056][ T186] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc1773f538
[ 29.524261][ T186] R13: 00007ffc1773f578 R14: 00007ffc1773eb60 R15: 0000000000543540
[ 29.524561][ T186]
[ 29.524663][ T186] irq event stamp: 15166843
[ 29.524800][ T186] hardirqs last enabled at (15166851): [] __up_console_sem+0x5a/0x70
[ 29.525034][ T186] hardirqs last disabled at (15166858): [] __up_console_sem+0x3f/0x70
[ 29.525270][ T186] softirqs last enabled at (15166832): [] handle_softirqs+0x611/0x940
[ 29.525585][ T186] softirqs last disabled at (15166875): [] __irq_exit_rcu+0x103/0x1c0
[ 29.525819][ T186] ---[ end trace 0000000000000000 ]---
[ 29.528803][ T186] ------------[ cut here ]------------
[ 29.528960][ T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/186
[ 29.529232][ T186] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 29.529444][ T186] CPU: 3 UID: 0 PID: 186 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 29.529735][ T186] Tainted: [W]=WARN
[ 29.529835][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.530000][ T186] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 29.530172][ T186] 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 88 e9 f0 ff b9 a6 ff ff
[ 29.530643][ T186] RSP: 0018:ffa00000007f7818 EFLAGS: 00010286
[ 29.530815][ T186] RAX: 00000000ffffffa6 RBX: ff110000093a18c0 RCX: 1ff40000000feec9
[ 29.531010][ T186] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000093a197c
[ 29.531219][ T186] RBP: ff1100000918c000 R08: 1fe2200001274331 R09: ff1100000c4ad1e8
[ 29.531419][ T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 29.531620][ T186] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 29.531819][ T186] FS: 0000000000000000(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 29.532054][ T186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 29.532219][ T186] CR2: 00007fdbd4d4c6f0 CR3: 000000002af39006 CR4: 0000000000771ef0
[ 29.532418][ T186] PKRU: 55555554
[ 29.532518][ T186] Call Trace:
[ 29.532618][ T186]
[ 29.532688][ T186] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 29.532858][ T186] ? unregister_netdevice_queued+0x80/0x80
[ 29.533026][ T186] ? find_held_lock+0x2b/0x80
[ 29.533166][ T186] ? find_held_lock+0x2b/0x80
[ 29.533302][ T186] ? __lock_release.isra.0+0x6b/0x1a0
[ 29.533443][ T186] ? __queue_work+0x315/0xc00
[ 29.533578][ T186] unregister_netdevice_queue+0x290/0x470
[ 29.533715][ T186] ? unregister_netdevice_many+0x20/0x20
[ 29.533843][ T186] ? lockdep_hardirqs_on+0x8c/0x130
[ 29.533970][ T186] ? queue_delayed_work_on+0x95/0x100
[ 29.534104][ T186] __tun_detach+0xf36/0x1320 [tun]
[ 29.534237][ T186] tun_chr_close+0xac/0x1b0 [tun]
[ 29.534365][ T186] __fput+0x363/0xac0
[ 29.534471][ T186] task_work_run+0x12b/0x240
[ 29.534599][ T186] ? lockdep_hardirqs_on+0x8c/0x130
[ 29.534729][ T186] ? task_work_cancel+0x30/0x30
[ 29.534860][ T186] ? kmem_cache_free+0xf8/0x560
[ 29.534990][ T186] do_exit+0x678/0xef0
[ 29.535096][ T186] ? exit_notify+0x890/0x890
[ 29.535225][ T186] ? find_held_lock+0x2b/0x80
[ 29.535356][ T186] ? __lock_release.isra.0+0x6b/0x1a0
[ 29.535492][ T186] ? __rwlock_init+0x150/0x150
[ 29.535633][ T186] do_group_exit+0xb8/0x370
[ 29.535762][ T186] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 29.535927][ T186] ? lockdep_hardirqs_on+0x8c/0x130
[ 29.536065][ T186] ? _raw_spin_unlock_irq+0x28/0x50
[ 29.536199][ T186] ? _raw_spin_unlock_irq+0x33/0x50
[ 29.536330][ T186] get_signal+0x172e/0x1820
[ 29.536466][ T186] ? __sys_sendto+0x2bc/0x3e0
[ 29.536597][ T186] ? __ia32_sys_getpeername+0xd0/0xd0
[ 29.536726][ T186] ? _copy_to_user+0x4b/0x70
[ 29.536854][ T186] ? ptrace_signal+0x600/0x600
[ 29.536987][ T186] arch_do_signal_or_restart+0xc2/0x3a0
[ 29.537126][ T186] ? get_sigframe_size+0x20/0x20
[ 29.537263][ T186] ? rcu_is_watching+0x15/0xd0
[ 29.537396][ T186] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 29.538058][ T186] exit_to_user_mode_loop+0x86/0x520
[ 29.538190][ T186] ? rcu_is_watching+0x15/0xd0
[ 29.538319][ T186] do_syscall_64+0x4c8/0xfc0
[ 29.538503][ T186] ? irq_exit_rcu+0x1a/0x30
[ 29.538632][ T186] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 29.538792][ T186] RIP: 0033:0x4c2d9e
[ 29.538897][ T186] Code: Unable to access opcode bytes at 0x4c2d74.
[ 29.539071][ T186] RSP: 002b:00007ffc1773e990 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 29.539271][ T186] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 29.539528][ T186] RDX: 0000000000000014 RSI: 00007ffc1773ea70 RDI: 0000000000000008
[ 29.539717][ T186] RBP: 00007ffc1773e9a0 R08: 00007ffc1773ea30 R09: 000000000000000c
[ 29.539907][ T186] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc1773f538
[ 29.540106][ T186] R13: 00007ffc1773f578 R14: 00007ffc1773eb60 R15: 0000000000543540
[ 29.540306][ T186]
[ 29.540455][ T186] irq event stamp: 15173023
[ 29.540581][ T186] hardirqs last enabled at (15173031): [] __up_console_sem+0x5a/0x70
[ 29.540801][ T186] hardirqs last disabled at (15173038): [] __up_console_sem+0x3f/0x70
[ 29.541021][ T186] softirqs last enabled at (15173020): [] handle_softirqs+0x611/0x940
[ 29.541249][ T186] softirqs last disabled at (15172929): [] __irq_exit_rcu+0x103/0x1c0
[ 29.541521][ T186] ---[ end trace 0000000000000000 ]---
[ 29.563693][ T12] ------------[ cut here ]------------
[ 29.563847][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: kworker/u16:0/12
[ 29.564113][ T12] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 29.564296][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 29.564571][ T12] Tainted: [W]=WARN
[ 29.564660][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.564810][ T12] Workqueue: netns cleanup_net
[ 29.564934][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 29.565089][ 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 88 e9 f0 ff b9 a6 ff ff
[ 29.565519][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 29.565669][ T12] RAX: 00000000ffffffa6 RBX: ff110000059703c0 RCX: 1ff4000000018ed5
[ 29.565844][ T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000597047c
[ 29.566018][ T12] RBP: ff11000011a9c000 R08: 1fe2200000b2e091 R09: ff11000001afd260
[ 29.566200][ T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 29.566377][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 29.566566][ T12] FS: 0000000000000000(0000) GS:ff110000a782c000(0000) knlGS:0000000000000000
[ 29.566775][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 29.566922][ T12] CR2: 0000555f7647cd5c CR3: 000000000d848002 CR4: 0000000000771ef0
[ 29.567107][ T12] PKRU: 55555554
[ 29.567197][ T12] Call Trace:
[ 29.567286][ T12]
[ 29.567349][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 29.567508][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 29.567660][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 29.567782][ T12] default_device_exit_batch+0x38b/0x600
[ 29.567901][ T12] ? generic_xdp_install+0x400/0x400
[ 29.568017][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 29.568142][ T12] ? unregister_netdev+0x60/0x60
[ 29.568260][ T12] ? rtnl_is_locked+0x15/0x20
[ 29.568376][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 29.568507][ T12] ops_undo_list+0x2ce/0x8f0
[ 29.568629][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 29.568747][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 29.568869][ T12] cleanup_net+0x431/0x890
[ 29.568997][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 29.569121][ T12] ? process_one_work+0xdb7/0x1410
[ 29.569241][ T12] ? lock_acquire+0x134/0x160
[ 29.569356][ T12] ? rcu_is_watching+0x15/0xd0
[ 29.569481][ T12] process_one_work+0xdf8/0x1410
[ 29.569602][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 29.569723][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 29.569927][ T12] worker_thread+0x4f1/0xd60
[ 29.570076][ T12] ? rescuer_thread+0x1320/0x1320
[ 29.570195][ T12] kthread+0x367/0x460
[ 29.570286][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 29.570449][ T12] ? kthread_affine_node+0x330/0x330
[ 29.570568][ T12] ret_from_fork+0x4a4/0x720
[ 29.570693][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 29.570844][ T12] ? __switch_to+0x5a3/0xe00
[ 29.570961][ T12] ? kthread_affine_node+0x330/0x330
[ 29.571088][ T12] ret_from_fork_asm+0x11/0x20
[ 29.571212][ T12]
[ 29.571299][ T12] irq event stamp: 9505
[ 29.571391][ T12] hardirqs last enabled at (9515): [] __up_console_sem+0x5a/0x70
[ 29.571602][ T12] hardirqs last disabled at (9530): [] __up_console_sem+0x3f/0x70
[ 29.571833][ T12] softirqs last enabled at (9528): [] handle_softirqs+0x611/0x940
[ 29.572035][ T12] softirqs last disabled at (9523): [] __irq_exit_rcu+0x103/0x1c0
[ 29.572245][ T12] ---[ end trace 0000000000000000 ]---
[ 29.597493][ T189] ------------[ cut here ]------------
[ 29.597642][ T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: unshare/189
[ 29.597900][ T189] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 29.598104][ T189] CPU: 0 UID: 0 PID: 189 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 29.598366][ T189] Tainted: [W]=WARN
[ 29.598473][ T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.598640][ T189] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 29.598813][ T189] 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 88 e9 f0 ff b9 a6 ff ff
[ 29.599298][ T189] RSP: 0018:ffa0000000837ab0 EFLAGS: 00010286
[ 29.599476][ T189] RAX: 00000000ffffffa6 RBX: ff11000009b3e040 RCX: 1ff4000000106f1c
[ 29.599674][ T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009b3e0fc
[ 29.599873][ T189] RBP: ff11000011c94000 R08: 1fe2200001367c21 R09: ff11000008d35210
[ 29.600079][ T189] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 29.600277][ T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011c94000
[ 29.600482][ T189] FS: 00007f15d0032740(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 29.600718][ T189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 29.600887][ T189] CR2: 00007f15d01f4280 CR3: 000000000d8e5005 CR4: 0000000000771ef0
[ 29.601092][ T189] PKRU: 55555554
[ 29.601192][ T189] Call Trace:
[ 29.601292][ T189]
[ 29.601362][ T189] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 29.601504][ T189] ? notifier_call_chain+0xb0/0x320
[ 29.601641][ T189] rtmsg_ifinfo+0x5c/0xb0
[ 29.601744][ T189] register_netdevice+0x137a/0x1980
[ 29.601875][ T189] ? unregister_netdevice_queue+0x470/0x470
[ 29.602037][ T189] register_netdev+0x23/0x40
[ 29.602172][ T189] loopback_net_init+0x7d/0x150
[ 29.602304][ T189] ops_init+0x187/0x560
[ 29.602413][ T189] setup_net+0x11b/0x3b0
[ 29.602515][ T189] ? unregister_pernet_device+0x80/0x80
[ 29.602648][ T189] ? lockdep_init_map_type+0x5d/0x250
[ 29.602780][ T189] ? mutex_init_lockdep+0xf6/0x120
[ 29.602911][ T189] copy_net_ns+0x2fd/0x450
[ 29.603040][ T189] create_new_namespaces+0x371/0xa10
[ 29.603178][ T189] unshare_nsproxy_namespaces+0xa5/0x150
[ 29.603309][ T189] ksys_unshare+0x47e/0x8c0
[ 29.603445][ T189] ? walk_process_tree+0x350/0x350
[ 29.603579][ T189] __x64_sys_unshare+0x34/0x50
[ 29.603708][ T189] ? do_syscall_64+0x82/0xfc0
[ 29.603838][ T189] do_syscall_64+0xf3/0xfc0
[ 29.603967][ T189] ? trace_hardirqs_off+0xd/0x30
[ 29.604101][ T189] ? exc_page_fault+0xee/0x100
[ 29.604231][ T189] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 29.604389][ T189] RIP: 0033:0x7f15d012dbcb
[ 29.604529][ T189] 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
[ 29.604988][ T189] RSP: 002b:00007ffcdc0697b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 29.605189][ T189] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15d012dbcb
[ 29.605380][ T189] RDX: 0000000000000000 RSI: 00007ffcdc069520 RDI: 0000000040000000
[ 29.605577][ T189] RBP: 00007ffcdc069b40 R08: 00007ffcdc069710 R09: 0000000000000000
[ 29.605769][ T189] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 29.605967][ T189] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000555c9f25ab68
[ 29.606173][ T189]
[ 29.606275][ T189] irq event stamp: 9949
[ 29.606375][ T189] hardirqs last enabled at (9957): [] __up_console_sem+0x5a/0x70
[ 29.606608][ T189] hardirqs last disabled at (9966): [] __up_console_sem+0x3f/0x70
[ 29.606830][ T189] softirqs last enabled at (9458): [] __alloc_skb+0x4c2/0x5f0
[ 29.607057][ T189] softirqs last disabled at (9456): [] __alloc_skb+0x4c2/0x5f0
[ 29.607280][ T189] ---[ end trace 0000000000000000 ]---
[ 29.616777][ T189] ------------[ cut here ]------------
[ 29.616927][ T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/189
[ 29.617179][ T189] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 29.617369][ T189] CPU: 0 UID: 0 PID: 189 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 29.617668][ T189] Tainted: [W]=WARN
[ 29.617760][ T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.617913][ T189] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 29.618079][ T189] 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 88 e9 f0 ff b9 a6 ff ff
[ 29.618517][ T189] RSP: 0018:ffa0000000837b58 EFLAGS: 00010286
[ 29.618671][ T189] RAX: 00000000ffffffa6 RBX: ff110000059cd380 RCX: 1ff4000000106f31
[ 29.618853][ T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000059cd43c
[ 29.619033][ T189] RBP: ff1100000f578000 R08: 1fe2200000b39a89 R09: ff11000008d351e8
[ 29.619229][ T189] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 29.619418][ T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f578000
[ 29.619603][ T189] FS: 0000000029fe3400(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 29.619814][ T189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 29.619974][ T189] CR2: 00007f473b9ec000 CR3: 000000000d897006 CR4: 0000000000771ef0
[ 29.620166][ T189] PKRU: 55555554
[ 29.620258][ T189] Call Trace:
[ 29.620349][ T189]
[ 29.620417][ T189] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 29.620546][ T189] ? notifier_call_chain+0xb0/0x320
[ 29.620668][ T189] rtmsg_ifinfo+0x5c/0xb0
[ 29.620763][ T189] register_netdevice+0x137a/0x1980
[ 29.620886][ T189] ? unregister_netdevice_queue+0x470/0x470
[ 29.621037][ T189] ? alloc_netdev_mqs+0xec0/0x1480
[ 29.621173][ T189] tun_set_iff.constprop.0+0xc61/0x1850 [tun]
[ 29.621330][ T189] ? tun_attach.isra.0+0x1630/0x1630 [tun]
[ 29.622112][ T189] ? tun_get+0x106/0x240 [tun]
[ 29.622249][ T189] __tun_chr_ioctl+0x4b0/0x2470 [tun]
[ 29.622377][ T189] ? build_open_flags+0x620/0x620
[ 29.622509][ T189] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 29.622637][ T189] ? lockdep_hardirqs_on+0x8c/0x130
[ 29.622765][ T189] ? __x64_sys_openat+0x10e/0x210
[ 29.622892][ T189] ? fput_close_sync+0xde/0x1b0
[ 29.623019][ T189] ? __ia32_sys_open+0x1b0/0x1b0
[ 29.623153][ T189] __x64_sys_ioctl+0x11a/0x190
[ 29.623280][ T189] do_syscall_64+0xf3/0xfc0
[ 29.623410][ T189] ? trace_hardirqs_off+0xd/0x30
[ 29.623531][ T189] ? exc_page_fault+0xee/0x100
[ 29.623654][ T189] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 29.623805][ T189] RIP: 0033:0x47cc8d
[ 29.623902][ T189] 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
[ 29.624338][ T189] RSP: 002b:00007ffd6f6d9b10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 29.624528][ T189] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 29.624712][ T189] RDX: 00007ffd6f6d9b90 RSI: 00000000400454ca RDI: 0000000000000006
[ 29.624893][ T189] RBP: 00007ffd6f6d9b60 R08: 0000000000000000 R09: 0000000000000000
[ 29.625081][ T189] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd6f6da068
[ 29.625262][ T189] R13: 00007ffd6f6da0a8 R14: 0000000000000002 R15: 0000000000543540
[ 29.625453][ T189]
[ 29.625544][ T189] irq event stamp: 21331
[ 29.625635][ T189] hardirqs last enabled at (21339): [] __up_console_sem+0x5a/0x70
[ 29.625849][ T189] hardirqs last disabled at (21346): [] __up_console_sem+0x3f/0x70
[ 29.626064][ T189] softirqs last enabled at (21138): [] handle_softirqs+0x611/0x940
[ 29.626282][ T189] softirqs last disabled at (19971): [] __irq_exit_rcu+0x103/0x1c0
[ 29.626501][ T189] ---[ end trace 0000000000000000 ]---
[ 29.626883][ T189] ------------[ cut here ]------------
[ 29.627003][ T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/189
[ 29.627247][ T189] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 29.627453][ T189] CPU: 0 UID: 0 PID: 189 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 29.627720][ T189] Tainted: [W]=WARN
[ 29.627809][ T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.627956][ T189] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 29.628118][ T189] 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 88 e9 f0 ff b9 a6 ff ff
[ 29.628551][ T189] RSP: 0018:ffa0000000837c58 EFLAGS: 00010286
[ 29.628706][ T189] RAX: 00000000ffffffa6 RBX: ff110000059cd1c0 RCX: 1ff4000000106f51
[ 29.628890][ T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000059cd27c
[ 29.629072][ T189] RBP: ff1100000f578000 R08: 1fe2200000b39a51 R09: ff11000008d351e8
[ 29.629249][ T189] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[ 29.629430][ T189] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[ 29.629609][ T189] FS: 0000000029fe3400(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 29.629825][ T189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 29.629978][ T189] CR2: 00007f473b9ec000 CR3: 000000000d897006 CR4: 0000000000771ef0
[ 29.630168][ T189] PKRU: 55555554
[ 29.630260][ T189] Call Trace:
[ 29.630352][ T189]
[ 29.630418][ T189] ? rcu_is_watching+0x15/0xd0
[ 29.630540][ T189] rtnetlink_event+0xe0/0x1f0
[ 29.630666][ T189] notifier_call_chain+0xb0/0x320
[ 29.630794][ T189] netdev_update_features+0xa9/0xb0
[ 29.630918][ T189] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 29.631078][ T189] __tun_chr_ioctl+0xc7f/0x2470 [tun]
[ 29.631202][ T189] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 29.631327][ T189] ? fd_install+0x19b/0x3d0
[ 29.631458][ T189] ? update_socket_protocol+0x10/0x10
[ 29.631584][ T189] ? alloc_file_clone+0xe0/0xe0
[ 29.631707][ T189] __x64_sys_ioctl+0x11a/0x190
[ 29.631829][ T189] do_syscall_64+0xf3/0xfc0
[ 29.631953][ T189] ? trace_hardirqs_off+0xd/0x30
[ 29.632078][ T189] ? exc_page_fault+0xee/0x100
[ 29.632202][ T189] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 29.632354][ T189] RIP: 0033:0x47cc8d
[ 29.632457][ T189] 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
[ 29.632890][ T189] RSP: 002b:00007ffd6f6d9b50 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 29.633077][ T189] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 29.633258][ T189] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000006
[ 29.633440][ T189] RBP: 00007ffd6f6d9ba0 R08: 0000000000000000 R09: 0000000000000000
[ 29.633615][ T189] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd6f6da068
[ 29.633795][ T189] R13: 00007ffd6f6da0a8 R14: 0000000000000002 R15: 0000000000543540
[ 29.633985][ T189]
[ 29.634083][ T189] irq event stamp: 22005
[ 29.634174][ T189] hardirqs last enabled at (22013): [] __up_console_sem+0x5a/0x70
[ 29.634386][ T189] hardirqs last disabled at (22020): [] __up_console_sem+0x3f/0x70
[ 29.634603][ T189] softirqs last enabled at (21580): [] __alloc_skb+0x4c2/0x5f0
[ 29.634815][ T189] softirqs last disabled at (21578): [] __alloc_skb+0x4c2/0x5f0
[ 29.635025][ T189] ---[ end trace 0000000000000000 ]---
[ 29.639024][ T189] ------------[ cut here ]------------
[ 29.639179][ T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/189
[ 29.639435][ T189] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 29.639628][ T189] CPU: 0 UID: 0 PID: 189 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 29.639909][ T189] Tainted: [W]=WARN
[ 29.640004][ T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.640164][ T189] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 29.640325][ T189] 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 88 e9 f0 ff b9 a6 ff ff
[ 29.640775][ T189] RSP: 0018:ffa0000000837850 EFLAGS: 00010286
[ 29.640932][ T189] RAX: 00000000ffffffa6 RBX: ff110000059cd540 RCX: 1ff4000000106ed0
[ 29.641123][ T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000059cd5fc
[ 29.641310][ T189] RBP: ff1100000f578000 R08: 1fe2200000b39ac1 R09: ff11000008d351e8
[ 29.641500][ T189] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[ 29.641685][ T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005882c00
[ 29.641872][ T189] FS: 0000000029fe3400(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 29.642097][ T189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 29.642253][ T189] CR2: 00007f473b9ec000 CR3: 000000000d897006 CR4: 0000000000771ef0
[ 29.642448][ T189] PKRU: 55555554
[ 29.642541][ T189] Call Trace:
[ 29.642634][ T189]
[ 29.642699][ T189] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 29.642826][ T189] rtmsg_ifinfo+0x5c/0xb0
[ 29.642924][ T189] ? mark_held_locks+0x40/0x70
[ 29.643055][ T189] __dev_notify_flags+0x1b8/0x280
[ 29.643183][ T189] ? netif_change_name+0x8c0/0x8c0
[ 29.643307][ T189] ? __dev_change_flags+0x4a4/0x660
[ 29.643438][ T189] ? netif_set_allmulti+0x250/0x250
[ 29.643565][ T189] ? lock_acquire.part.0+0xbc/0x260
[ 29.643692][ T189] netif_change_flags+0xfe/0x190
[ 29.643819][ T189] ? cap_capable+0x1d6/0x3e0
[ 29.643947][ T189] dev_change_flags+0xa5/0x170
[ 29.644081][ T189] devinet_ioctl+0x10f0/0x1840
[ 29.644214][ T189] ? inet_ifa_byprefix+0x220/0x220
[ 29.644345][ T189] ? _copy_from_user+0x42/0x90
[ 29.644483][ T189] inet_ioctl+0x34b/0x3a0
[ 29.644578][ T189] ? inet_dgram_connect+0x3e0/0x3e0
[ 29.644703][ T189] ? __lock_acquire+0x508/0xc10
[ 29.644839][ T189] ? __might_fault+0x97/0x140
[ 29.644970][ T189] ? __might_fault+0x97/0x140
[ 29.645101][ T189] sock_do_ioctl+0x10e/0x270
[ 29.645228][ T189] ? __sock_recv_cmsgs+0x530/0x530
[ 29.645356][ T189] ? ioctl_file_clone+0xd0/0xd0
[ 29.645493][ T189] sock_ioctl+0x3cb/0x5f0
[ 29.645588][ T189] ? br_ioctl_call+0x80/0x80
[ 29.645715][ T189] ? fd_install+0x19b/0x3d0
[ 29.645844][ T189] ? update_socket_protocol+0x10/0x10
[ 29.645969][ T189] ? alloc_file_clone+0xe0/0xe0
[ 29.646104][ T189] __x64_sys_ioctl+0x11a/0x190
[ 29.646230][ T189] do_syscall_64+0xf3/0xfc0
[ 29.646354][ T189] ? trace_hardirqs_off+0xd/0x30
[ 29.646485][ T189] ? exc_page_fault+0xee/0x100
[ 29.646611][ T189] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 29.646767][ T189] RIP: 0033:0x47cc8d
[ 29.646865][ T189] 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
[ 29.647314][ T189] RSP: 002b:00007ffd6f6d9b30 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 29.647509][ T189] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 29.647703][ T189] RDX: 00007ffd6f6d9ba0 RSI: 0000000000008914 RDI: 0000000000000007
[ 29.647898][ T189] RBP: 00007ffd6f6d9b80 R08: 0000000000000000 R09: 0000000000000000
[ 29.648096][ T189] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd6f6da068
[ 29.648289][ T189] R13: 00007ffd6f6da0a8 R14: 0000000000000002 R15: 0000000000543540
[ 29.648496][ T189]
[ 29.648593][ T189] irq event stamp: 25733
[ 29.648686][ T189] hardirqs last enabled at (25741): [] __up_console_sem+0x5a/0x70
[ 29.648899][ T189] hardirqs last disabled at (25748): [] __up_console_sem+0x3f/0x70
[ 29.649118][ T189] softirqs last enabled at (25168): [] __alloc_skb+0x4c2/0x5f0
[ 29.649337][ T189] softirqs last disabled at (25166): [] __alloc_skb+0x4c2/0x5f0
[ 29.649557][ T189] ---[ end trace 0000000000000000 ]---
[ 39.584063][ T189] ------------[ cut here ]------------
[ 39.584269][ T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/189
[ 39.584547][ T189] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 39.584758][ T189] CPU: 0 UID: 0 PID: 189 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 39.585066][ T189] Tainted: [W]=WARN
[ 39.585202][ T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.585375][ T189] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 39.585556][ T189] 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 88 e9 f0 ff b9 a6 ff ff
[ 39.586030][ T189] RSP: 0018:ffa00000008376e8 EFLAGS: 00010286
[ 39.586205][ T189] RAX: 00000000ffffffa6 RBX: ff110000059b7a80 RCX: 1ff4000000106ea3
[ 39.586591][ T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000059b7b3c
[ 39.586790][ T189] RBP: ff1100000f578000 R08: 1fe2200000b36f69 R09: ff11000008d351e8
[ 39.586990][ T189] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[ 39.587192][ T189] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000837780
[ 39.587392][ T189] FS: 0000000000000000(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 39.587634][ T189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.587801][ T189] CR2: 00007f473b9ec000 CR3: 000000002af39001 CR4: 0000000000771ef0
[ 39.588003][ T189] PKRU: 55555554
[ 39.588108][ T189] Call Trace:
[ 39.588208][ T189]
[ 39.588279][ T189] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 39.588419][ T189] rtmsg_ifinfo+0x5c/0xb0
[ 39.588529][ T189] netif_close_many+0x2ac/0x640
[ 39.588664][ T189] ? find_held_lock+0x2b/0x80
[ 39.588800][ T189] ? __dev_close_many+0x530/0x530
[ 39.588931][ T189] ? netif_close_many_and_unlock+0x22/0x2c0
[ 39.589100][ T189] unregister_netdevice_many_notify+0x671/0x19a0
[ 39.589268][ T189] ? select_fallback_rq+0x510/0x510
[ 39.589406][ T189] ? unregister_netdevice_queued+0x80/0x80
[ 39.589572][ T189] ? find_held_lock+0x2b/0x80
[ 39.589706][ T189] ? find_held_lock+0x2b/0x80
[ 39.589839][ T189] ? __lock_release.isra.0+0x6b/0x1a0
[ 39.589973][ T189] ? __queue_work+0x315/0xc00
[ 39.590113][ T189] unregister_netdevice_queue+0x290/0x470
[ 39.590249][ T189] ? unregister_netdevice_many+0x20/0x20
[ 39.590383][ T189] ? lockdep_hardirqs_on+0x8c/0x130
[ 39.590520][ T189] ? queue_delayed_work_on+0x95/0x100
[ 39.590655][ T189] __tun_detach+0xf36/0x1320 [tun]
[ 39.590798][ T189] tun_chr_close+0xac/0x1b0 [tun]
[ 39.590937][ T189] __fput+0x363/0xac0
[ 39.591044][ T189] task_work_run+0x12b/0x240
[ 39.591182][ T189] ? lockdep_hardirqs_on+0x8c/0x130
[ 39.591315][ T189] ? task_work_cancel+0x30/0x30
[ 39.591452][ T189] ? kmem_cache_free+0xf8/0x560
[ 39.591587][ T189] do_exit+0x678/0xef0
[ 39.591689][ T189] ? exit_notify+0x890/0x890
[ 39.591823][ T189] ? find_held_lock+0x2b/0x80
[ 39.591956][ T189] ? __lock_release.isra.0+0x6b/0x1a0
[ 39.592090][ T189] ? __rwlock_init+0x150/0x150
[ 39.592224][ T189] do_group_exit+0xb8/0x370
[ 39.592355][ T189] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 39.592523][ T189] ? lockdep_hardirqs_on+0x8c/0x130
[ 39.592655][ T189] ? _raw_spin_unlock_irq+0x28/0x50
[ 39.592789][ T189] ? _raw_spin_unlock_irq+0x33/0x50
[ 39.592921][ T189] get_signal+0x172e/0x1820
[ 39.593055][ T189] ? __raw_spin_lock_init+0x44/0x120
[ 39.593193][ T189] ? mark_usage+0x61/0x170
[ 39.593325][ T189] ? __lock_acquire+0x508/0xc10
[ 39.593464][ T189] ? ptrace_signal+0x600/0x600
[ 39.593597][ T189] ? lock_acquire.part.0+0xbc/0x260
[ 39.593729][ T189] ? find_held_lock+0x2b/0x80
[ 39.593864][ T189] arch_do_signal_or_restart+0xc2/0x3a0
[ 39.593999][ T189] ? fd_install+0x18c/0x3d0
[ 39.594139][ T189] ? get_sigframe_size+0x20/0x20
[ 39.594276][ T189] ? update_socket_protocol+0x10/0x10
[ 39.594414][ T189] ? alloc_file_clone+0xe0/0xe0
[ 39.594546][ T189] ? rcu_is_watching+0x15/0xd0
[ 39.594679][ T189] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 39.594850][ T189] exit_to_user_mode_loop+0x86/0x520
[ 39.594985][ T189] ? rcu_is_watching+0x15/0xd0
[ 39.595122][ T189] do_syscall_64+0x4c8/0xfc0
[ 39.595256][ T189] ? irq_exit_rcu+0x1a/0x30
[ 39.595390][ T189] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 39.595562][ T189] RIP: 0033:0x47ea2b
[ 39.595670][ T189] Code: Unable to access opcode bytes at 0x47ea01.
[ 39.595842][ T189] RSP: 002b:00007ffd6f6d95b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000029
[ 39.596044][ T189] RAX: 0000000000000008 RBX: 00007ffd6f6d9690 RCX: 000000000047ea2b
[ 39.596252][ T189] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010
[ 39.596455][ T189] RBP: 00007ffd6f6d95f0 R08: 0000000000000041 R09: 0000000029fe4450
[ 39.596655][ T189] R10: 0000000000000040 R11: 0000000000000206 R12: 00007ffd6f6da068
[ 39.596855][ T189] R13: 00007ffd6f6da0a8 R14: 00007ffd6f6d9b68 R15: 0000000000543540
[ 39.597060][ T189]
[ 39.597166][ T189] irq event stamp: 15223045
[ 39.597301][ T189] hardirqs last enabled at (15223053): [] __up_console_sem+0x5a/0x70
[ 39.597541][ T189] hardirqs last disabled at (15223062): [] __up_console_sem+0x3f/0x70
[ 39.597773][ T189] softirqs last enabled at (15222440): [] handle_softirqs+0x611/0x940
[ 39.598006][ T189] softirqs last disabled at (15222125): [] __irq_exit_rcu+0x103/0x1c0
[ 39.598242][ T189] ---[ end trace 0000000000000000 ]---
[ 39.606595][ T189] ------------[ cut here ]------------
[ 39.606745][ T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/189
[ 39.607003][ T189] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 39.607212][ T189] CPU: 0 UID: 0 PID: 189 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 39.607510][ T189] Tainted: [W]=WARN
[ 39.607611][ T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.607775][ T189] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 39.607945][ T189] 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 88 e9 f0 ff b9 a6 ff ff
[ 39.608421][ T189] RSP: 0018:ffa0000000837818 EFLAGS: 00010286
[ 39.608588][ T189] RAX: 00000000ffffffa6 RBX: ff110000056f0c80 RCX: 1ff4000000106ec9
[ 39.608781][ T189] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056f0d3c
[ 39.608972][ T189] RBP: ff1100000f578000 R08: 1fe2200000ade1a9 R09: ff11000008d351e8
[ 39.609170][ T189] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 39.609363][ T189] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 39.609714][ T189] FS: 0000000000000000(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 39.609942][ T189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.610109][ T189] CR2: 00007f473b9ec000 CR3: 000000002af39001 CR4: 0000000000771ef0
[ 39.610305][ T189] PKRU: 55555554
[ 39.610410][ T189] Call Trace:
[ 39.610509][ T189]
[ 39.610578][ T189] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 39.610744][ T189] ? unregister_netdevice_queued+0x80/0x80
[ 39.610906][ T189] ? find_held_lock+0x2b/0x80
[ 39.611036][ T189] ? find_held_lock+0x2b/0x80
[ 39.611170][ T189] ? __lock_release.isra.0+0x6b/0x1a0
[ 39.611300][ T189] ? __queue_work+0x315/0xc00
[ 39.611436][ T189] unregister_netdevice_queue+0x290/0x470
[ 39.611565][ T189] ? unregister_netdevice_many+0x20/0x20
[ 39.611695][ T189] ? lockdep_hardirqs_on+0x8c/0x130
[ 39.611824][ T189] ? queue_delayed_work_on+0x95/0x100
[ 39.611952][ T189] __tun_detach+0xf36/0x1320 [tun]
[ 39.612090][ T189] tun_chr_close+0xac/0x1b0 [tun]
[ 39.612221][ T189] __fput+0x363/0xac0
[ 39.612323][ T189] task_work_run+0x12b/0x240
[ 39.612455][ T189] ? lockdep_hardirqs_on+0x8c/0x130
[ 39.612584][ T189] ? task_work_cancel+0x30/0x30
[ 39.612711][ T189] ? kmem_cache_free+0xf8/0x560
[ 39.612843][ T189] do_exit+0x678/0xef0
[ 39.612942][ T189] ? exit_notify+0x890/0x890
[ 39.613071][ T189] ? find_held_lock+0x2b/0x80
[ 39.613205][ T189] ? __lock_release.isra.0+0x6b/0x1a0
[ 39.613332][ T189] ? __rwlock_init+0x150/0x150
[ 39.613466][ T189] do_group_exit+0xb8/0x370
[ 39.613595][ T189] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 39.613754][ T189] ? lockdep_hardirqs_on+0x8c/0x130
[ 39.613883][ T189] ? _raw_spin_unlock_irq+0x28/0x50
[ 39.614010][ T189] ? _raw_spin_unlock_irq+0x33/0x50
[ 39.614145][ T189] get_signal+0x172e/0x1820
[ 39.614275][ T189] ? __raw_spin_lock_init+0x44/0x120
[ 39.614409][ T189] ? mark_usage+0x61/0x170
[ 39.614536][ T189] ? __lock_acquire+0x508/0xc10
[ 39.614667][ T189] ? ptrace_signal+0x600/0x600
[ 39.614796][ T189] ? lock_acquire.part.0+0xbc/0x260
[ 39.614922][ T189] ? find_held_lock+0x2b/0x80
[ 39.615051][ T189] arch_do_signal_or_restart+0xc2/0x3a0
[ 39.615186][ T189] ? fd_install+0x18c/0x3d0
[ 39.615315][ T189] ? get_sigframe_size+0x20/0x20
[ 39.615449][ T189] ? update_socket_protocol+0x10/0x10
[ 39.615579][ T189] ? alloc_file_clone+0xe0/0xe0
[ 39.615707][ T189] ? rcu_is_watching+0x15/0xd0
[ 39.615836][ T189] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 39.615996][ T189] exit_to_user_mode_loop+0x86/0x520
[ 39.616129][ T189] ? rcu_is_watching+0x15/0xd0
[ 39.616258][ T189] do_syscall_64+0x4c8/0xfc0
[ 39.616389][ T189] ? irq_exit_rcu+0x1a/0x30
[ 39.616525][ T189] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 39.616693][ T189] RIP: 0033:0x47ea2b
[ 39.616799][ T189] Code: Unable to access opcode bytes at 0x47ea01.
[ 39.616972][ T189] RSP: 002b:00007ffd6f6d95b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000029
[ 39.617175][ T189] RAX: 0000000000000008 RBX: 00007ffd6f6d9690 RCX: 000000000047ea2b
[ 39.617366][ T189] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010
[ 39.617561][ T189] RBP: 00007ffd6f6d95f0 R08: 0000000000000041 R09: 0000000029fe4450
[ 39.617753][ T189] R10: 0000000000000040 R11: 0000000000000206 R12: 00007ffd6f6da068
[ 39.617946][ T189] R13: 00007ffd6f6da0a8 R14: 00007ffd6f6d9b68 R15: 0000000000543540
[ 39.618149][ T189]
[ 39.618246][ T189] irq event stamp: 15232001
[ 39.618372][ T189] hardirqs last enabled at (15232009): [] __up_console_sem+0x5a/0x70
[ 39.618604][ T189] hardirqs last disabled at (15232018): [] __up_console_sem+0x3f/0x70
[ 39.618823][ T189] softirqs last enabled at (15231488): [] handle_softirqs+0x611/0x940
[ 39.619043][ T189] softirqs last disabled at (15231217): [] __irq_exit_rcu+0x103/0x1c0
[ 39.619267][ T189] ---[ end trace 0000000000000000 ]---
[ 39.632204][ T12] ------------[ cut here ]------------
[ 39.632349][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: kworker/u16:0/12
[ 39.632601][ T12] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 39.632785][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 39.633050][ T12] Tainted: [W]=WARN
[ 39.633149][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.633296][ T12] Workqueue: netns cleanup_net
[ 39.633428][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 39.633580][ 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 88 e9 f0 ff b9 a6 ff ff
[ 39.634005][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 39.634156][ T12] RAX: 00000000ffffffa6 RBX: ff110000056f18c0 RCX: 1ff4000000018ed5
[ 39.634335][ T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056f197c
[ 39.634518][ T12] RBP: ff11000011c94000 R08: 1fe2200000ade331 R09: ff11000001afd260
[ 39.634692][ T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 39.634882][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 39.635062][ T12] FS: 0000000000000000(0000) GS:ff110000a782c000(0000) knlGS:0000000000000000
[ 39.635271][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.635424][ T12] CR2: 0000555f7647cd5c CR3: 000000002af39001 CR4: 0000000000771ef0
[ 39.635603][ T12] PKRU: 55555554
[ 39.635699][ T12] Call Trace:
[ 39.635786][ T12]
[ 39.635849][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 39.635998][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 39.636152][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 39.636273][ T12] default_device_exit_batch+0x38b/0x600
[ 39.636393][ T12] ? generic_xdp_install+0x400/0x400
[ 39.636517][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 39.636635][ T12] ? unregister_netdev+0x60/0x60
[ 39.636754][ T12] ? rtnl_is_locked+0x15/0x20
[ 39.636870][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 39.636990][ T12] ops_undo_list+0x2ce/0x8f0
[ 39.637116][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 39.637233][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 39.637355][ T12] cleanup_net+0x431/0x890
[ 39.637479][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 39.637595][ T12] ? process_one_work+0xdb7/0x1410
[ 39.637714][ T12] ? lock_acquire+0x134/0x160
[ 39.637830][ T12] ? rcu_is_watching+0x15/0xd0
[ 39.637950][ T12] process_one_work+0xdf8/0x1410
[ 39.638070][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 39.638231][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 39.638352][ T12] worker_thread+0x4f1/0xd60
[ 39.638481][ T12] ? rescuer_thread+0x1320/0x1320
[ 39.638598][ T12] kthread+0x367/0x460
[ 39.638691][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 39.638841][ T12] ? kthread_affine_node+0x330/0x330
[ 39.638959][ T12] ret_from_fork+0x4a4/0x720
[ 39.639084][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 39.639232][ T12] ? __switch_to+0x5a3/0xe00
[ 39.639354][ T12] ? kthread_affine_node+0x330/0x330
[ 39.639475][ T12] ret_from_fork_asm+0x11/0x20
[ 39.639604][ T12]
[ 39.639692][ T12] irq event stamp: 15723
[ 39.639781][ T12] hardirqs last enabled at (15731): [] __up_console_sem+0x5a/0x70
[ 39.639985][ T12] hardirqs last disabled at (15738): [] __up_console_sem+0x3f/0x70
[ 39.640191][ T12] softirqs last enabled at (15506): [] handle_softirqs+0x611/0x940
[ 39.640397][ T12] softirqs last disabled at (15501): [] __irq_exit_rcu+0x103/0x1c0
[ 39.640604][ T12] ---[ end trace 0000000000000000 ]---
[ 39.669845][ T191] ------------[ cut here ]------------
[ 39.670008][ T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: unshare/191
[ 39.670273][ T191] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 39.671196][ T191] CPU: 3 UID: 0 PID: 191 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 39.671466][ T191] Tainted: [W]=WARN
[ 39.671564][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.671725][ T191] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 39.671894][ T191] 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 88 e9 f0 ff b9 a6 ff ff
[ 39.672359][ T191] RSP: 0018:ffa0000000827ab0 EFLAGS: 00010286
[ 39.672527][ T191] RAX: 00000000ffffffa6 RBX: ff11000008d0fc40 RCX: 1ff4000000104f1c
[ 39.672719][ T191] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d0fcfc
[ 39.672912][ T191] RBP: ff1100000ab89000 R08: 1fe22000011a1fa1 R09: ff11000004db8b90
[ 39.673109][ T191] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 39.673299][ T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ab89000
[ 39.673498][ T191] FS: 00007f9f994ef740(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 39.673725][ T191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.673887][ T191] CR2: 00007f9f996b1280 CR3: 000000000d837005 CR4: 0000000000771ef0
[ 39.674086][ T191] PKRU: 55555554
[ 39.674184][ T191] Call Trace:
[ 39.674281][ T191]
[ 39.674347][ T191] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 39.674482][ T191] ? notifier_call_chain+0xb0/0x320
[ 39.674613][ T191] rtmsg_ifinfo+0x5c/0xb0
[ 39.674712][ T191] register_netdevice+0x137a/0x1980
[ 39.674842][ T191] ? unregister_netdevice_queue+0x470/0x470
[ 39.675006][ T191] register_netdev+0x23/0x40
[ 39.675140][ T191] loopback_net_init+0x7d/0x150
[ 39.675272][ T191] ops_init+0x187/0x560
[ 39.675371][ T191] setup_net+0x11b/0x3b0
[ 39.675476][ T191] ? unregister_pernet_device+0x80/0x80
[ 39.675604][ T191] ? lockdep_init_map_type+0x5d/0x250
[ 39.675733][ T191] ? mutex_init_lockdep+0xf6/0x120
[ 39.675863][ T191] copy_net_ns+0x2fd/0x450
[ 39.675993][ T191] create_new_namespaces+0x371/0xa10
[ 39.676129][ T191] unshare_nsproxy_namespaces+0xa5/0x150
[ 39.676259][ T191] ksys_unshare+0x47e/0x8c0
[ 39.676390][ T191] ? walk_process_tree+0x350/0x350
[ 39.676526][ T191] __x64_sys_unshare+0x34/0x50
[ 39.676653][ T191] ? do_syscall_64+0x82/0xfc0
[ 39.676782][ T191] do_syscall_64+0xf3/0xfc0
[ 39.676910][ T191] ? trace_hardirqs_off+0xd/0x30
[ 39.677037][ T191] ? exc_page_fault+0xee/0x100
[ 39.677171][ T191] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 39.677331][ T191] RIP: 0033:0x7f9f995eabcb
[ 39.677471][ T191] 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
[ 39.677926][ T191] RSP: 002b:00007ffcd9e43cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 39.678123][ T191] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9f995eabcb
[ 39.678317][ T191] RDX: 0000000000000000 RSI: 00007ffcd9e43a40 RDI: 0000000040000000
[ 39.678510][ T191] RBP: 00007ffcd9e44060 R08: 00007ffcd9e43c30 R09: 0000000000000000
[ 39.678702][ T191] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 39.678893][ T191] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000557628996b68
[ 39.679097][ T191]
[ 39.679194][ T191] irq event stamp: 12729
[ 39.679291][ T191] hardirqs last enabled at (12737): [] __up_console_sem+0x5a/0x70
[ 39.679518][ T191] hardirqs last disabled at (12746): [] __up_console_sem+0x3f/0x70
[ 39.679740][ T191] softirqs last enabled at (12306): [] handle_softirqs+0x611/0x940
[ 39.679962][ T191] softirqs last disabled at (11053): [] __irq_exit_rcu+0x103/0x1c0
[ 39.680184][ T191] ---[ end trace 0000000000000000 ]---
[ 39.687294][ T191] ------------[ cut here ]------------
[ 39.687881][ T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/191
[ 39.688133][ T191] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 39.688321][ T191] CPU: 3 UID: 0 PID: 191 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 39.689067][ T191] Tainted: [W]=WARN
[ 39.689166][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.689325][ T191] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 39.689975][ T191] 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 88 e9 f0 ff b9 a6 ff ff
[ 39.691120][ T191] RSP: 0018:ffa0000000827b58 EFLAGS: 00010286
[ 39.691277][ T191] RAX: 00000000ffffffa6 RBX: ff1100000b15e200 RCX: 1ff4000000104f31
[ 39.691631][ T191] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b15e2bc
[ 39.691813][ T191] RBP: ff1100000a924000 R08: 1fe220000162bc59 R09: ff11000004db8b68
[ 39.691994][ T191] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 39.692183][ T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a924000
[ 39.692366][ T191] FS: 00000000351d1400(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 39.692584][ T191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.692736][ T191] CR2: 00007fa56f28b000 CR3: 000000000c7fc006 CR4: 0000000000771ef0
[ 39.692919][ T191] PKRU: 55555554
[ 39.693010][ T191] Call Trace:
[ 39.693107][ T191]
[ 39.693172][ T191] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 39.693295][ T191] ? notifier_call_chain+0xb0/0x320
[ 39.693425][ T191] rtmsg_ifinfo+0x5c/0xb0
[ 39.693520][ T191] register_netdevice+0x137a/0x1980
[ 39.693644][ T191] ? unregister_netdevice_queue+0x470/0x470
[ 39.693797][ T191] ? alloc_netdev_mqs+0xec0/0x1480
[ 39.693922][ T191] tun_set_iff.constprop.0+0xc61/0x1850 [tun]
[ 39.694077][ T191] ? tun_attach.isra.0+0x1630/0x1630 [tun]
[ 39.694236][ T191] ? tun_get+0x106/0x240 [tun]
[ 39.694360][ T191] __tun_chr_ioctl+0x4b0/0x2470 [tun]
[ 39.694489][ T191] ? build_open_flags+0x620/0x620
[ 39.694614][ T191] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 39.694736][ T191] ? lockdep_hardirqs_on+0x8c/0x130
[ 39.694860][ T191] ? __x64_sys_openat+0x10e/0x210
[ 39.694982][ T191] ? fput_close_sync+0xde/0x1b0
[ 39.695109][ T191] ? __ia32_sys_open+0x1b0/0x1b0
[ 39.695232][ T191] __x64_sys_ioctl+0x11a/0x190
[ 39.695356][ T191] do_syscall_64+0xf3/0xfc0
[ 39.695494][ T191] ? trace_hardirqs_off+0xd/0x30
[ 39.695616][ T191] ? exc_page_fault+0xee/0x100
[ 39.695746][ T191] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 39.695899][ T191] RIP: 0033:0x47cc8d
[ 39.695996][ T191] 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
[ 39.696440][ T191] RSP: 002b:00007ffd014f4fa0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 39.696627][ T191] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 39.696809][ T191] RDX: 00007ffd014f5020 RSI: 00000000400454ca RDI: 0000000000000006
[ 39.696991][ T191] RBP: 00007ffd014f4ff0 R08: 0000000000000000 R09: 0000000000000000
[ 39.697177][ T191] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd014f54f8
[ 39.697359][ T191] R13: 00007ffd014f5538 R14: 0000000000000002 R15: 0000000000543540
[ 39.697553][ T191]
[ 39.697644][ T191] irq event stamp: 23143
[ 39.697736][ T191] hardirqs last enabled at (23151): [] __up_console_sem+0x5a/0x70
[ 39.697946][ T191] hardirqs last disabled at (23158): [] __up_console_sem+0x3f/0x70
[ 39.698159][ T191] softirqs last enabled at (22802): [] handle_softirqs+0x611/0x940
[ 39.698370][ T191] softirqs last disabled at (22501): [] __irq_exit_rcu+0x103/0x1c0
[ 39.698584][ T191] ---[ end trace 0000000000000000 ]---
[ 39.720761][ T192] ------------[ cut here ]------------
[ 39.720917][ T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ifconfig/192
[ 39.721168][ T192] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 39.721370][ T192] CPU: 1 UID: 0 PID: 192 Comm: ifconfig Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 39.721629][ T192] Tainted: [W]=WARN
[ 39.721722][ T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.721877][ T192] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 39.722036][ T192] 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 88 e9 f0 ff b9 a6 ff ff
[ 39.723064][ T192] RSP: 0018:ffa0000000657850 EFLAGS: 00010286
[ 39.723224][ T192] RAX: 00000000ffffffa6 RBX: ff1100000b15f540 RCX: 1ff40000000caed0
[ 39.724227][ T192] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b15f5fc
[ 39.724417][ T192] RBP: ff1100000a924000 R08: 1fe220000162bec1 R09: ff11000005e72ea8
[ 39.724606][ T192] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[ 39.724790][ T192] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[ 39.724973][ T192] FS: 00007fb4eb358740(0000) GS:ff110000a782c000(0000) knlGS:0000000000000000
[ 39.725195][ T192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.725350][ T192] CR2: 0000561f3d8205fa CR3: 000000000c06e005 CR4: 0000000000771ef0
[ 39.725545][ T192] PKRU: 55555554
[ 39.725636][ T192] Call Trace:
[ 39.725727][ T192]
[ 39.725791][ T192] ? rcu_is_watching+0x15/0xd0
[ 39.725916][ T192] rtnetlink_event+0xe0/0x1f0
[ 39.726041][ T192] notifier_call_chain+0xb0/0x320
[ 39.726173][ T192] netif_set_mtu_ext+0x354/0x5f0
[ 39.726296][ T192] ? dev_validate_mtu+0x180/0x180
[ 39.726426][ T192] ? rcu_read_lock_any_held+0x3c/0x90
[ 39.726549][ T192] ? validate_chain+0x38b/0xc20
[ 39.726674][ T192] netif_set_mtu+0x85/0xe0
[ 39.726797][ T192] ? netif_set_mtu_ext+0x5f0/0x5f0
[ 39.726923][ T192] ? lock_acquire+0x134/0x160
[ 39.727046][ T192] ? rcu_is_watching+0x15/0xd0
[ 39.727175][ T192] ? rcu_is_watching+0x15/0xd0
[ 39.727297][ T192] ? trace_contention_end+0xb3/0x1a0
[ 39.727427][ T192] dev_set_mtu+0x9d/0x150
[ 39.727521][ T192] dev_ifsioc+0x3dc/0x17d0
[ 39.727643][ T192] ? mark_usage+0x61/0x170
[ 39.727765][ T192] ? dev_set_hwtstamp+0x4c0/0x4c0
[ 39.727888][ T192] ? ww_mutex_lock+0x160/0x160
[ 39.728014][ T192] ? lock_acquire.part.0+0xbc/0x260
[ 39.728140][ T192] ? find_held_lock+0x2b/0x80
[ 39.728264][ T192] ? __lock_release.isra.0+0x6b/0x1a0
[ 39.728387][ T192] ? dev_load+0x6c/0x180
[ 39.728488][ T192] dev_ioctl+0x2eb/0xe50
[ 39.728582][ T192] sock_do_ioctl+0x1a4/0x270
[ 39.728704][ T192] ? rcu_read_unlock+0x20/0x70
[ 39.728829][ T192] ? __sock_recv_cmsgs+0x530/0x530
[ 39.728953][ T192] ? __handle_mm_fault+0x6a8/0x840
[ 39.729077][ T192] ? ioctl_file_clone+0xd0/0xd0
[ 39.729211][ T192] ? lock_vma_under_rcu+0x159/0x410
[ 39.729335][ T192] sock_ioctl+0x3cb/0x5f0
[ 39.729434][ T192] ? br_ioctl_call+0x80/0x80
[ 39.729556][ T192] ? find_held_lock+0x2b/0x80
[ 39.729680][ T192] ? __lock_release.isra.0+0x6b/0x1a0
[ 39.729805][ T192] ? exc_page_fault+0x87/0x100
[ 39.729930][ T192] __x64_sys_ioctl+0x11a/0x190
[ 39.730054][ T192] do_syscall_64+0xf3/0xfc0
[ 39.730183][ T192] ? trace_hardirqs_off+0xd/0x30
[ 39.730305][ T192] ? exc_page_fault+0xee/0x100
[ 39.730433][ T192] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 39.730583][ T192] RIP: 0033:0x7fb4eb44e5fd
[ 39.730712][ T192] 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
[ 39.731154][ T192] RSP: 002b:00007ffc9a72c2b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 39.731338][ T192] RAX: ffffffffffffffda RBX: 00007ffc9a72e81d RCX: 00007fb4eb44e5fd
[ 39.731527][ T192] RDX: 00007ffc9a72c360 RSI: 0000000000008922 RDI: 0000000000000008
[ 39.731710][ T192] RBP: 00007ffc9a72c300 R08: 0000000000000000 R09: 00007ffc9a72e821
[ 39.731892][ T192] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc9a72c698
[ 39.732074][ T192] R13: 0000000000000004 R14: 00007fb4eb59c000 R15: 0000561f3d81e918
[ 39.732267][ T192]
[ 39.732360][ T192] irq event stamp: 18587
[ 39.732456][ T192] hardirqs last enabled at (18597): [] __up_console_sem+0x5a/0x70
[ 39.732675][ T192] hardirqs last disabled at (18604): [] __up_console_sem+0x3f/0x70
[ 39.732886][ T192] softirqs last enabled at (18098): [] handle_softirqs+0x611/0x940
[ 39.733104][ T192] softirqs last disabled at (16649): [] __irq_exit_rcu+0x103/0x1c0
[ 39.733316][ T192] ---[ end trace 0000000000000000 ]---
[ 39.735047][ T191] ------------[ cut here ]------------
[ 39.735180][ T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/191
[ 39.735427][ T191] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 39.735615][ T191] CPU: 3 UID: 0 PID: 191 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 39.735884][ T191] Tainted: [W]=WARN
[ 39.735974][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.736125][ T191] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 39.736278][ T191] 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 88 e9 f0 ff b9 a6 ff ff
[ 39.736715][ T191] RSP: 0018:ffa0000000827c58 EFLAGS: 00010286
[ 39.736862][ T191] RAX: 00000000ffffffa6 RBX: ff1100000b15e040 RCX: 1ff4000000104f51
[ 39.737038][ T191] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b15e0fc
[ 39.737220][ T191] RBP: ff1100000a924000 R08: 1fe220000162bc21 R09: ff11000004db8b68
[ 39.737394][ T191] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[ 39.737577][ T191] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[ 39.737753][ T191] FS: 00000000351d1400(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 39.737961][ T191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.738114][ T191] CR2: 00007fa56f28b000 CR3: 000000000c7fc006 CR4: 0000000000771ef0
[ 39.738290][ T191] PKRU: 55555554
[ 39.738379][ T191] Call Trace:
[ 39.738472][ T191]
[ 39.738533][ T191] ? rcu_is_watching+0x15/0xd0
[ 39.738653][ T191] rtnetlink_event+0xe0/0x1f0
[ 39.738772][ T191] notifier_call_chain+0xb0/0x320
[ 39.738893][ T191] netdev_update_features+0xa9/0xb0
[ 39.739011][ T191] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 39.739166][ T191] __tun_chr_ioctl+0xc7f/0x2470 [tun]
[ 39.739287][ T191] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 39.739411][ T191] ? fd_install+0x19b/0x3d0
[ 39.739533][ T191] ? update_socket_protocol+0x10/0x10
[ 39.739652][ T191] ? rcu_is_watching+0x15/0xd0
[ 39.739772][ T191] __x64_sys_ioctl+0x11a/0x190
[ 39.739891][ T191] do_syscall_64+0xf3/0xfc0
[ 39.740008][ T191] ? trace_hardirqs_off+0xd/0x30
[ 39.740131][ T191] ? exc_page_fault+0xee/0x100
[ 39.740250][ T191] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 39.740434][ T191] RIP: 0033:0x47cc8d
[ 39.740527][ T191] 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
[ 39.740948][ T191] RSP: 002b:00007ffd014f4fe0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 39.741131][ T191] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 39.741305][ T191] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000006
[ 39.741488][ T191] RBP: 00007ffd014f5030 R08: 0000000000000021 R09: 00000000351d2450
[ 39.741663][ T191] R10: 0000000000000020 R11: 0000000000000246 R12: 00007ffd014f54f8
[ 39.741838][ T191] R13: 00007ffd014f5538 R14: 0000000000000002 R15: 0000000000543540
[ 39.742020][ T191]
[ 39.742114][ T191] irq event stamp: 27777
[ 39.742202][ T191] hardirqs last enabled at (27785): [] __up_console_sem+0x5a/0x70
[ 39.742410][ T191] hardirqs last disabled at (27794): [] __up_console_sem+0x3f/0x70
[ 39.742618][ T191] softirqs last enabled at (27464): [] handle_softirqs+0x611/0x940
[ 39.742820][ T191] softirqs last disabled at (27439): [] __irq_exit_rcu+0x103/0x1c0
[ 39.743029][ T191] ---[ end trace 0000000000000000 ]---
[ 39.743463][ T191] ------------[ cut here ]------------
[ 39.743585][ T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/191
[ 39.743843][ T191] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 39.744034][ T191] CPU: 3 UID: 0 PID: 191 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 39.744319][ T191] Tainted: [W]=WARN
[ 39.744417][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.744573][ T191] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 39.744734][ T191] 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 88 e9 f0 ff b9 a6 ff ff
[ 39.745180][ T191] RSP: 0018:ffa0000000827910 EFLAGS: 00010286
[ 39.745337][ T191] RAX: 00000000ffffffa6 RBX: ff1100000b15e3c0 RCX: 1ff4000000104ee8
[ 39.745530][ T191] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b15e47c
[ 39.745717][ T191] RBP: ff1100000a924000 R08: 1fe220000162bc91 R09: ff11000004db8b68
[ 39.745903][ T191] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[ 39.746090][ T191] R13: 0000000000000000 R14: 0000000000000000 R15: 00000000000010d1
[ 39.746276][ T191] FS: 00000000351d1400(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 39.746501][ T191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.746657][ T191] CR2: 00007fa56f28b000 CR3: 000000000c7fc006 CR4: 0000000000771ef0
[ 39.746842][ T191] PKRU: 55555554
[ 39.746935][ T191] Call Trace:
[ 39.747028][ T191]
[ 39.747096][ T191] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 39.747222][ T191] rtmsg_ifinfo+0x5c/0xb0
[ 39.747321][ T191] ? mark_held_locks+0x40/0x70
[ 39.747449][ T191] __dev_notify_flags+0x1b8/0x280
[ 39.747575][ T191] ? netif_change_name+0x8c0/0x8c0
[ 39.747699][ T191] ? __dev_change_flags+0x4a4/0x660
[ 39.747824][ T191] ? netif_set_allmulti+0x250/0x250
[ 39.747949][ T191] ? lock_acquire.part.0+0xbc/0x260
[ 39.748073][ T191] ? dev_ioctl+0x2db/0xe50
[ 39.748207][ T191] netif_change_flags+0xfe/0x190
[ 39.748333][ T191] dev_change_flags+0xa5/0x170
[ 39.748463][ T191] dev_ifsioc+0x11b3/0x17d0
[ 39.748587][ T191] ? mark_usage+0x61/0x170
[ 39.748710][ T191] ? dev_set_hwtstamp+0x4c0/0x4c0
[ 39.748836][ T191] ? ww_mutex_lock+0x160/0x160
[ 39.748961][ T191] ? lock_acquire.part.0+0xbc/0x260
[ 39.749089][ T191] ? find_held_lock+0x2b/0x80
[ 39.749217][ T191] ? __lock_release.isra.0+0x6b/0x1a0
[ 39.749343][ T191] ? dev_load+0x6c/0x180
[ 39.749445][ T191] dev_ioctl+0x2eb/0xe50
[ 39.749540][ T191] sock_do_ioctl+0x1a4/0x270
[ 39.749666][ T191] ? __sock_recv_cmsgs+0x530/0x530
[ 39.749792][ T191] ? ioctl_file_clone+0xd0/0xd0
[ 39.749918][ T191] sock_ioctl+0x3cb/0x5f0
[ 39.750014][ T191] ? br_ioctl_call+0x80/0x80
[ 39.750145][ T191] ? fd_install+0x19b/0x3d0
[ 39.750273][ T191] ? update_socket_protocol+0x10/0x10
[ 39.750397][ T191] ? rcu_is_watching+0x15/0xd0
[ 39.750528][ T191] __x64_sys_ioctl+0x11a/0x190
[ 39.750653][ T191] do_syscall_64+0xf3/0xfc0
[ 39.750779][ T191] ? trace_hardirqs_off+0xd/0x30
[ 39.750903][ T191] ? exc_page_fault+0xee/0x100
[ 39.751027][ T191] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 39.751188][ T191] RIP: 0033:0x47cc8d
[ 39.751286][ T191] 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
[ 39.751826][ T191] RSP: 002b:00007ffd014f4fc0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 39.752015][ T191] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 39.752201][ T191] RDX: 00007ffd014f5030 RSI: 0000000000008914 RDI: 0000000000000007
[ 39.752474][ T191] RBP: 00007ffd014f5010 R08: 0000000000000021 R09: 00000000351d2450
[ 39.752659][ T191] R10: 0000000000000020 R11: 0000000000000246 R12: 00007ffd014f54f8
[ 39.752926][ T191] R13: 00007ffd014f5538 R14: 0000000000000002 R15: 0000000000543540
[ 39.753121][ T191]
[ 39.753213][ T191] irq event stamp: 28583
[ 39.753305][ T191] hardirqs last enabled at (28591): [] __up_console_sem+0x5a/0x70
[ 39.753525][ T191] hardirqs last disabled at (28600): [] __up_console_sem+0x3f/0x70
[ 39.753739][ T191] softirqs last enabled at (28012): [] __alloc_skb+0x4c2/0x5f0
[ 39.754034][ T191] softirqs last disabled at (28010): [] __alloc_skb+0x4c2/0x5f0
[ 39.754251][ T191] ---[ end trace 0000000000000000 ]---
[ 49.656568][ T191] ------------[ cut here ]------------
[ 49.656779][ T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/191
[ 49.657045][ T191] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 49.657281][ T191] CPU: 3 UID: 0 PID: 191 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 49.657585][ T191] Tainted: [W]=WARN
[ 49.657684][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.657850][ T191] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 49.658023][ T191] 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 88 e9 f0 ff b9 a6 ff ff
[ 49.659093][ T191] RSP: 0018:ffa00000008276e8 EFLAGS: 00010286
[ 49.659264][ T191] RAX: 00000000ffffffa6 RBX: ff1100000dbb0740 RCX: 1ff4000000104ea3
[ 49.659538][ T191] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbb07fc
[ 49.659731][ T191] RBP: ff1100000a924000 R08: 1fe2200001b76101 R09: ff11000004db8b68
[ 49.659928][ T191] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[ 49.660126][ T191] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000827780
[ 49.660322][ T191] FS: 0000000000000000(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 49.660622][ T191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.660789][ T191] CR2: 00007fa56f28b000 CR3: 000000002af39001 CR4: 0000000000771ef0
[ 49.660987][ T191] PKRU: 55555554
[ 49.661086][ T191] Call Trace:
[ 49.661189][ T191]
[ 49.661257][ T191] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 49.661392][ T191] rtmsg_ifinfo+0x5c/0xb0
[ 49.661581][ T191] netif_close_many+0x2ac/0x640
[ 49.661712][ T191] ? find_held_lock+0x2b/0x80
[ 49.661844][ T191] ? __dev_close_many+0x530/0x530
[ 49.661973][ T191] ? netif_close_many_and_unlock+0x22/0x2c0
[ 49.662136][ T191] unregister_netdevice_many_notify+0x671/0x19a0
[ 49.662301][ T191] ? select_fallback_rq+0x510/0x510
[ 49.662512][ T191] ? unregister_netdevice_queued+0x80/0x80
[ 49.662680][ T191] ? find_held_lock+0x2b/0x80
[ 49.662815][ T191] ? find_held_lock+0x2b/0x80
[ 49.662946][ T191] ? __lock_release.isra.0+0x6b/0x1a0
[ 49.663076][ T191] ? __queue_work+0x315/0xc00
[ 49.663213][ T191] unregister_netdevice_queue+0x290/0x470
[ 49.663347][ T191] ? unregister_netdevice_many+0x20/0x20
[ 49.663543][ T191] ? lockdep_hardirqs_on+0x8c/0x130
[ 49.663679][ T191] ? queue_delayed_work_on+0x95/0x100
[ 49.663816][ T191] __tun_detach+0xf36/0x1320 [tun]
[ 49.663952][ T191] tun_chr_close+0xac/0x1b0 [tun]
[ 49.664083][ T191] __fput+0x363/0xac0
[ 49.664189][ T191] task_work_run+0x12b/0x240
[ 49.664319][ T191] ? lockdep_hardirqs_on+0x8c/0x130
[ 49.664534][ T191] ? task_work_cancel+0x30/0x30
[ 49.664673][ T191] ? kmem_cache_free+0xf8/0x560
[ 49.664805][ T191] do_exit+0x678/0xef0
[ 49.664905][ T191] ? exit_notify+0x890/0x890
[ 49.665034][ T191] ? find_held_lock+0x2b/0x80
[ 49.665167][ T191] ? __lock_release.isra.0+0x6b/0x1a0
[ 49.665295][ T191] ? __rwlock_init+0x150/0x150
[ 49.665510][ T191] do_group_exit+0xb8/0x370
[ 49.665640][ T191] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 49.665801][ T191] ? lockdep_hardirqs_on+0x8c/0x130
[ 49.665929][ T191] ? _raw_spin_unlock_irq+0x28/0x50
[ 49.666062][ T191] ? _raw_spin_unlock_irq+0x33/0x50
[ 49.666195][ T191] get_signal+0x172e/0x1820
[ 49.666330][ T191] ? __sys_sendto+0x2bc/0x3e0
[ 49.666533][ T191] ? __ia32_sys_getpeername+0xd0/0xd0
[ 49.666664][ T191] ? _copy_to_user+0x4b/0x70
[ 49.666798][ T191] ? ptrace_signal+0x600/0x600
[ 49.666932][ T191] arch_do_signal_or_restart+0xc2/0x3a0
[ 49.667066][ T191] ? get_sigframe_size+0x20/0x20
[ 49.667202][ T191] ? rcu_is_watching+0x15/0xd0
[ 49.667334][ T191] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 49.667587][ T191] exit_to_user_mode_loop+0x86/0x520
[ 49.667719][ T191] ? rcu_is_watching+0x15/0xd0
[ 49.667852][ T191] do_syscall_64+0x4c8/0xfc0
[ 49.667983][ T191] ? irq_exit_rcu+0x1a/0x30
[ 49.668119][ T191] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 49.668283][ T191] RIP: 0033:0x4c2d9e
[ 49.668387][ T191] Code: Unable to access opcode bytes at 0x4c2d74.
[ 49.668637][ T191] RSP: 002b:00007ffd014f4950 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 49.668836][ T191] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 49.669033][ T191] RDX: 0000000000000014 RSI: 00007ffd014f4a30 RDI: 0000000000000008
[ 49.669233][ T191] RBP: 00007ffd014f4960 R08: 00007ffd014f49f0 R09: 000000000000000c
[ 49.669496][ T191] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd014f54f8
[ 49.669695][ T191] R13: 00007ffd014f5538 R14: 00007ffd014f4b20 R15: 0000000000543540
[ 49.669895][ T191]
[ 49.669993][ T191] irq event stamp: 15213301
[ 49.670128][ T191] hardirqs last enabled at (15213309): [] __up_console_sem+0x5a/0x70
[ 49.670354][ T191] hardirqs last disabled at (15213316): [] __up_console_sem+0x3f/0x70
[ 49.670756][ T191] softirqs last enabled at (15213468): [] handle_softirqs+0x611/0x940
[ 49.670985][ T191] softirqs last disabled at (15213325): [] __irq_exit_rcu+0x103/0x1c0
[ 49.671215][ T191] ---[ end trace 0000000000000000 ]---
[ 49.680092][ T191] ------------[ cut here ]------------
[ 49.680263][ T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/191
[ 49.680523][ T191] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 49.680723][ T191] CPU: 3 UID: 0 PID: 191 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 49.681013][ T191] Tainted: [W]=WARN
[ 49.681117][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.681278][ T191] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 49.681448][ T191] 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 88 e9 f0 ff b9 a6 ff ff
[ 49.681907][ T191] RSP: 0018:ffa0000000827818 EFLAGS: 00010286
[ 49.682067][ T191] RAX: 00000000ffffffa6 RBX: ff1100000dbb0c80 RCX: 1ff4000000104ec9
[ 49.682263][ T191] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbb0d3c
[ 49.682460][ T191] RBP: ff1100000a924000 R08: 1fe2200001b761a9 R09: ff11000004db8b68
[ 49.682653][ T191] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 49.682843][ T191] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 49.683035][ T191] FS: 0000000000000000(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 49.683263][ T191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.683430][ T191] CR2: 00007fa56f28b000 CR3: 000000002af39001 CR4: 0000000000771ef0
[ 49.683620][ T191] PKRU: 55555554
[ 49.683715][ T191] Call Trace:
[ 49.683810][ T191]
[ 49.683876][ T191] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 49.684037][ T191] ? unregister_netdevice_queued+0x80/0x80
[ 49.684199][ T191] ? find_held_lock+0x2b/0x80
[ 49.684325][ T191] ? find_held_lock+0x2b/0x80
[ 49.684940][ T191] ? __lock_release.isra.0+0x6b/0x1a0
[ 49.685069][ T191] ? __queue_work+0x315/0xc00
[ 49.685203][ T191] unregister_netdevice_queue+0x290/0x470
[ 49.685331][ T191] ? unregister_netdevice_many+0x20/0x20
[ 49.685511][ T191] ? lockdep_hardirqs_on+0x8c/0x130
[ 49.685639][ T191] ? queue_delayed_work_on+0x95/0x100
[ 49.685768][ T191] __tun_detach+0xf36/0x1320 [tun]
[ 49.685901][ T191] tun_chr_close+0xac/0x1b0 [tun]
[ 49.686030][ T191] __fput+0x363/0xac0
[ 49.686135][ T191] task_work_run+0x12b/0x240
[ 49.686263][ T191] ? lockdep_hardirqs_on+0x8c/0x130
[ 49.686391][ T191] ? task_work_cancel+0x30/0x30
[ 49.686606][ T191] ? kmem_cache_free+0xf8/0x560
[ 49.686739][ T191] do_exit+0x678/0xef0
[ 49.686838][ T191] ? exit_notify+0x890/0x890
[ 49.686966][ T191] ? find_held_lock+0x2b/0x80
[ 49.687093][ T191] ? __lock_release.isra.0+0x6b/0x1a0
[ 49.687227][ T191] ? __rwlock_init+0x150/0x150
[ 49.687356][ T191] do_group_exit+0xb8/0x370
[ 49.687578][ T191] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 49.687737][ T191] ? lockdep_hardirqs_on+0x8c/0x130
[ 49.687866][ T191] ? _raw_spin_unlock_irq+0x28/0x50
[ 49.687993][ T191] ? _raw_spin_unlock_irq+0x33/0x50
[ 49.688127][ T191] get_signal+0x172e/0x1820
[ 49.688256][ T191] ? __sys_sendto+0x2bc/0x3e0
[ 49.688386][ T191] ? __ia32_sys_getpeername+0xd0/0xd0
[ 49.688528][ T191] ? _copy_to_user+0x4b/0x70
[ 49.688656][ T191] ? ptrace_signal+0x600/0x600
[ 49.688786][ T191] arch_do_signal_or_restart+0xc2/0x3a0
[ 49.688917][ T191] ? get_sigframe_size+0x20/0x20
[ 49.689049][ T191] ? rcu_is_watching+0x15/0xd0
[ 49.689184][ T191] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 49.689343][ T191] exit_to_user_mode_loop+0x86/0x520
[ 49.689476][ T191] ? rcu_is_watching+0x15/0xd0
[ 49.689604][ T191] do_syscall_64+0x4c8/0xfc0
[ 49.689733][ T191] ? irq_exit_rcu+0x1a/0x30
[ 49.689862][ T191] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 49.690022][ T191] RIP: 0033:0x4c2d9e
[ 49.690127][ T191] Code: Unable to access opcode bytes at 0x4c2d74.
[ 49.690291][ T191] RSP: 002b:00007ffd014f4950 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 49.690488][ T191] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 49.690680][ T191] RDX: 0000000000000014 RSI: 00007ffd014f4a30 RDI: 0000000000000008
[ 49.690870][ T191] RBP: 00007ffd014f4960 R08: 00007ffd014f49f0 R09: 000000000000000c
[ 49.691061][ T191] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd014f54f8
[ 49.691259][ T191] R13: 00007ffd014f5538 R14: 00007ffd014f4b20 R15: 0000000000543540
[ 49.691460][ T191]
[ 49.691557][ T191] irq event stamp: 15221729
[ 49.691685][ T191] hardirqs last enabled at (15221737): [] __up_console_sem+0x5a/0x70
[ 49.691906][ T191] hardirqs last disabled at (15221744): [] __up_console_sem+0x3f/0x70
[ 49.692129][ T191] softirqs last enabled at (15221554): [] handle_softirqs+0x611/0x940
[ 49.692351][ T191] softirqs last disabled at (15221527): [] __irq_exit_rcu+0x103/0x1c0
[ 49.692573][ T191] ---[ end trace 0000000000000000 ]---
[ 49.706250][ T12] ------------[ cut here ]------------
[ 49.706393][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: kworker/u16:0/12
[ 49.706648][ T12] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 49.706864][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 49.707134][ T12] Tainted: [W]=WARN
[ 49.707224][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.707374][ T12] Workqueue: netns cleanup_net
[ 49.707507][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 49.707662][ 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 88 e9 f0 ff b9 a6 ff ff
[ 49.708086][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 49.708237][ T12] RAX: 00000000ffffffa6 RBX: ff1100000d9e5540 RCX: 1ff4000000018ed5
[ 49.708422][ T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9e55fc
[ 49.708596][ T12] RBP: ff1100000ab89000 R08: 1fe2200001b3cac1 R09: ff11000001afd260
[ 49.708769][ T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 49.708943][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 49.709125][ T12] FS: 0000000000000000(0000) GS:ff110000a782c000(0000) knlGS:0000000000000000
[ 49.709331][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.709488][ T12] CR2: 00007fb4eb41c2a0 CR3: 000000002af39001 CR4: 0000000000771ef0
[ 49.709663][ T12] PKRU: 55555554
[ 49.709751][ T12] Call Trace:
[ 49.709840][ T12]
[ 49.709902][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 49.710054][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 49.710215][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 49.710338][ T12] default_device_exit_batch+0x38b/0x600
[ 49.710465][ T12] ? generic_xdp_install+0x400/0x400
[ 49.710583][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 49.710707][ T12] ? unregister_netdev+0x60/0x60
[ 49.710826][ T12] ? rtnl_is_locked+0x15/0x20
[ 49.710945][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 49.711066][ T12] ops_undo_list+0x2ce/0x8f0
[ 49.711192][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 49.711310][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 49.711436][ T12] cleanup_net+0x431/0x890
[ 49.711555][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 49.711673][ T12] ? process_one_work+0xdb7/0x1410
[ 49.711794][ T12] ? lock_acquire+0x134/0x160
[ 49.711912][ T12] ? rcu_is_watching+0x15/0xd0
[ 49.712033][ T12] process_one_work+0xdf8/0x1410
[ 49.712159][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 49.712277][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 49.712406][ T12] worker_thread+0x4f1/0xd60
[ 49.712528][ T12] ? rescuer_thread+0x1320/0x1320
[ 49.712649][ T12] kthread+0x367/0x460
[ 49.712739][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 49.712885][ T12] ? kthread_affine_node+0x330/0x330
[ 49.713004][ T12] ret_from_fork+0x4a4/0x720
[ 49.713126][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 49.713277][ T12] ? __switch_to+0x5a3/0xe00
[ 49.713394][ T12] ? kthread_affine_node+0x330/0x330
[ 49.713520][ T12] ret_from_fork_asm+0x11/0x20
[ 49.713646][ T12]
[ 49.713735][ T12] irq event stamp: 21931
[ 49.713824][ T12] hardirqs last enabled at (21939): [] __up_console_sem+0x5a/0x70
[ 49.714029][ T12] hardirqs last disabled at (21946): [] __up_console_sem+0x3f/0x70
[ 49.714245][ T12] softirqs last enabled at (21706): [] handle_softirqs+0x611/0x940
[ 49.714457][ T12] softirqs last disabled at (21701): [] __irq_exit_rcu+0x103/0x1c0
[ 49.714657][ T12] ---[ end trace 0000000000000000 ]---
[ 49.754431][ T194] ------------[ cut here ]------------
[ 49.754632][ T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: unshare/194
[ 49.754938][ T194] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 49.755191][ T194] CPU: 2 UID: 0 PID: 194 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 49.755562][ T194] Tainted: [W]=WARN
[ 49.755708][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.755915][ T194] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 49.756140][ T194] 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 88 e9 f0 ff b9 a6 ff ff
[ 49.756664][ T194] RSP: 0018:ffa0000000867ab0 EFLAGS: 00010286
[ 49.756875][ T194] RAX: 00000000ffffffa6 RBX: ff1100000d9c03c0 RCX: 1ff400000010cf1c
[ 49.757121][ T194] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9c047c
[ 49.757362][ T194] RBP: ff1100000a1d1000 R08: 1fe2200001b38091 R09: ff11000005e75210
[ 49.757613][ T194] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 49.757866][ T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a1d1000
[ 49.758108][ T194] FS: 00007fdf08b4e740(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 49.758391][ T194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.758615][ T194] CR2: 00007fdf08d10280 CR3: 0000000004c81001 CR4: 0000000000771ef0
[ 49.758860][ T194] PKRU: 55555554
[ 49.759004][ T194] Call Trace:
[ 49.759155][ T194]
[ 49.759269][ T194] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 49.759458][ T194] ? notifier_call_chain+0xb0/0x320
[ 49.759638][ T194] rtmsg_ifinfo+0x5c/0xb0
[ 49.759785][ T194] register_netdevice+0x137a/0x1980
[ 49.759962][ T194] ? unregister_netdevice_queue+0x470/0x470
[ 49.760184][ T194] register_netdev+0x23/0x40
[ 49.760361][ T194] loopback_net_init+0x7d/0x150
[ 49.760552][ T194] ops_init+0x187/0x560
[ 49.760700][ T194] setup_net+0x11b/0x3b0
[ 49.760845][ T194] ? unregister_pernet_device+0x80/0x80
[ 49.761020][ T194] ? lockdep_init_map_type+0x5d/0x250
[ 49.761206][ T194] ? mutex_init_lockdep+0xf6/0x120
[ 49.761389][ T194] copy_net_ns+0x2fd/0x450
[ 49.761579][ T194] create_new_namespaces+0x371/0xa10
[ 49.761759][ T194] unshare_nsproxy_namespaces+0xa5/0x150
[ 49.761936][ T194] ksys_unshare+0x47e/0x8c0
[ 49.762123][ T194] ? walk_process_tree+0x350/0x350
[ 49.762305][ T194] __x64_sys_unshare+0x34/0x50
[ 49.762493][ T194] ? do_syscall_64+0x82/0xfc0
[ 49.762673][ T194] do_syscall_64+0xf3/0xfc0
[ 49.762850][ T194] ? trace_hardirqs_off+0xd/0x30
[ 49.763025][ T194] ? exc_page_fault+0xee/0x100
[ 49.763211][ T194] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 49.763430][ T194] RIP: 0033:0x7fdf08c49bcb
[ 49.763612][ T194] 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
[ 49.764123][ T194] RSP: 002b:00007ffd1e9832f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 49.764365][ T194] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf08c49bcb
[ 49.764613][ T194] RDX: 0000000000000000 RSI: 00007ffd1e983060 RDI: 0000000040000000
[ 49.764850][ T194] RBP: 00007ffd1e983680 R08: 00007ffd1e983250 R09: 0000000000000000
[ 49.765091][ T194] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 49.765337][ T194] R13: 0000000000000000 R14: 00000000ffffffff R15: 00005644fb9c3b68
[ 49.765597][ T194]
[ 49.765739][ T194] irq event stamp: 18933
[ 49.765882][ T194] hardirqs last enabled at (18943): [] __up_console_sem+0x5a/0x70
[ 49.766165][ T194] hardirqs last disabled at (18952): [] __up_console_sem+0x3f/0x70
[ 49.766447][ T194] softirqs last enabled at (18920): [] handle_softirqs+0x611/0x940
[ 49.766717][ T194] softirqs last disabled at (18907): [] __irq_exit_rcu+0x103/0x1c0
[ 49.766991][ T194] ---[ end trace 0000000000000000 ]---
[ 49.775620][ T194] ------------[ cut here ]------------
[ 49.775790][ T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/194
[ 49.776077][ T194] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 49.776325][ T194] CPU: 2 UID: 0 PID: 194 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 49.776663][ T194] Tainted: [W]=WARN
[ 49.776803][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.777003][ T194] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 49.777219][ T194] 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 88 e9 f0 ff b9 a6 ff ff
[ 49.777711][ T194] RSP: 0018:ffa0000000867b58 EFLAGS: 00010286
[ 49.777910][ T194] RAX: 00000000ffffffa6 RBX: ff1100000d9c0e40 RCX: 1ff400000010cf31
[ 49.778146][ T194] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9c0efc
[ 49.778378][ T194] RBP: ff11000001e84000 R08: 1fe2200001b381e1 R09: ff11000005e751e8
[ 49.778617][ T194] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 49.778846][ T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001e84000
[ 49.779074][ T194] FS: 000000003b13d400(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 49.779345][ T194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.779557][ T194] CR2: 00007f0ca8075000 CR3: 000000000b3f8002 CR4: 0000000000771ef0
[ 49.779786][ T194] PKRU: 55555554
[ 49.779923][ T194] Call Trace:
[ 49.780062][ T194]
[ 49.780182][ T194] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 49.780355][ T194] ? notifier_call_chain+0xb0/0x320
[ 49.780542][ T194] rtmsg_ifinfo+0x5c/0xb0
[ 49.780683][ T194] register_netdevice+0x137a/0x1980
[ 49.780852][ T194] ? unregister_netdevice_queue+0x470/0x470
[ 49.781051][ T194] ? alloc_netdev_mqs+0xec0/0x1480
[ 49.781232][ T194] tun_set_iff.constprop.0+0xc61/0x1850 [tun]
[ 49.781448][ T194] ? tun_attach.isra.0+0x1630/0x1630 [tun]
[ 49.781650][ T194] ? tun_get+0x106/0x240 [tun]
[ 49.781822][ T194] __tun_chr_ioctl+0x4b0/0x2470 [tun]
[ 49.781991][ T194] ? build_open_flags+0x620/0x620
[ 49.782173][ T194] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 49.782342][ T194] ? lockdep_hardirqs_on+0x8c/0x130
[ 49.782528][ T194] ? __x64_sys_openat+0x10e/0x210
[ 49.782699][ T194] ? fput_close_sync+0xde/0x1b0
[ 49.782869][ T194] ? __ia32_sys_open+0x1b0/0x1b0
[ 49.783043][ T194] __x64_sys_ioctl+0x11a/0x190
[ 49.783221][ T194] do_syscall_64+0xf3/0xfc0
[ 49.783390][ T194] ? trace_hardirqs_off+0xd/0x30
[ 49.783570][ T194] ? exc_page_fault+0xee/0x100
[ 49.783739][ T194] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 49.783938][ T194] RIP: 0033:0x47cc8d
[ 49.784082][ T194] 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
[ 49.784585][ T194] RSP: 002b:00007ffe96c5f760 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 49.784817][ T194] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 49.785047][ T194] RDX: 00007ffe96c5f7e0 RSI: 00000000400454ca RDI: 0000000000000006
[ 49.785287][ T194] RBP: 00007ffe96c5f7b0 R08: 0000000000000000 R09: 0000000000000000
[ 49.785530][ T194] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe96c5fcb8
[ 49.785760][ T194] R13: 00007ffe96c5fcf8 R14: 0000000000000002 R15: 0000000000543540
[ 49.785995][ T194]
[ 49.786141][ T194] irq event stamp: 27753
[ 49.786289][ T194] hardirqs last enabled at (27763): [] __up_console_sem+0x5a/0x70
[ 49.787540][ T194] hardirqs last disabled at (29426): [] __up_console_sem+0x3f/0x70
[ 49.787986][ T194] softirqs last enabled at (29748): [] handle_softirqs+0x611/0x940
[ 49.788247][ T194] softirqs last disabled at (29435): [] __irq_exit_rcu+0x103/0x1c0
[ 49.788524][ T194] ---[ end trace 0000000000000000 ]---
[ 49.789039][ T194] ------------[ cut here ]------------
[ 49.789210][ T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/194
[ 49.789505][ T194] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 49.789741][ T194] CPU: 2 UID: 0 PID: 194 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 49.790056][ T194] Tainted: [W]=WARN
[ 49.790201][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.790398][ T194] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 49.790613][ T194] 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 88 e9 f0 ff b9 a6 ff ff
[ 49.791085][ T194] RSP: 0018:ffa0000000867c58 EFLAGS: 00010286
[ 49.791292][ T194] RAX: 00000000ffffffa6 RBX: ff1100000d9c0c80 RCX: 1ff400000010cf51
[ 49.791528][ T194] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9c0d3c
[ 49.791754][ T194] RBP: ff11000001e84000 R08: 1fe2200001b381a9 R09: ff11000005e751e8
[ 49.791977][ T194] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[ 49.792210][ T194] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[ 49.792447][ T194] FS: 000000003b13d400(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 49.792708][ T194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.792904][ T194] CR2: 00007f0ca8075000 CR3: 000000000b3f8002 CR4: 0000000000771ef0
[ 49.793137][ T194] PKRU: 55555554
[ 49.793273][ T194] Call Trace:
[ 49.793422][ T194]
[ 49.793529][ T194] ? rcu_is_watching+0x15/0xd0
[ 49.793696][ T194] rtnetlink_event+0xe0/0x1f0
[ 49.793864][ T194] notifier_call_chain+0xb0/0x320
[ 49.794040][ T194] netdev_update_features+0xa9/0xb0
[ 49.794216][ T194] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 49.794425][ T194] __tun_chr_ioctl+0xc7f/0x2470 [tun]
[ 49.794596][ T194] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 49.794764][ T194] ? fd_install+0x19b/0x3d0
[ 49.794933][ T194] ? update_socket_protocol+0x10/0x10
[ 49.795098][ T194] ? alloc_file_clone+0xe0/0xe0
[ 49.795279][ T194] __x64_sys_ioctl+0x11a/0x190
[ 49.795461][ T194] do_syscall_64+0xf3/0xfc0
[ 49.795627][ T194] ? trace_hardirqs_off+0xd/0x30
[ 49.795792][ T194] ? exc_page_fault+0xee/0x100
[ 49.795960][ T194] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 49.796159][ T194] RIP: 0033:0x47cc8d
[ 49.796301][ T194] 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
[ 49.796780][ T194] RSP: 002b:00007ffe96c5f7a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 49.797006][ T194] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 49.797239][ T194] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000006
[ 49.797479][ T194] RBP: 00007ffe96c5f7f0 R08: 0000000000000005 R09: 0000000000001ff0
[ 49.797703][ T194] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffe96c5fcb8
[ 49.797927][ T194] R13: 00007ffe96c5fcf8 R14: 0000000000000002 R15: 0000000000543540
[ 49.798163][ T194]
[ 49.798300][ T194] irq event stamp: 30497
[ 49.798450][ T194] hardirqs last enabled at (30509): [] __up_console_sem+0x5a/0x70
[ 49.798702][ T194] hardirqs last disabled at (30518): [] __up_console_sem+0x3f/0x70
[ 49.798953][ T194] softirqs last enabled at (29982): [] __alloc_skb+0x4c2/0x5f0
[ 49.799216][ T194] softirqs last disabled at (29980): [] __alloc_skb+0x4c2/0x5f0
[ 49.799481][ T194] ---[ end trace 0000000000000000 ]---
[ 49.800005][ T194] ------------[ cut here ]------------
[ 49.800177][ T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/194
[ 49.800481][ T194] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 49.800722][ T194] CPU: 2 UID: 0 PID: 194 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 49.801053][ T194] Tainted: [W]=WARN
[ 49.801201][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.801415][ T194] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 49.801625][ T194] 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 88 e9 f0 ff b9 a6 ff ff
[ 49.802122][ T194] RSP: 0018:ffa0000000867850 EFLAGS: 00010286
[ 49.802329][ T194] RAX: 00000000ffffffa6 RBX: ff1100000d9c1000 RCX: 1ff400000010ced0
[ 49.802573][ T194] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9c10bc
[ 49.802806][ T194] RBP: ff11000001e84000 R08: 1fe2200001b38219 R09: ff11000005e751e8
[ 49.803042][ T194] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[ 49.803279][ T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005881a80
[ 49.803525][ T194] FS: 000000003b13d400(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 49.803791][ T194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.803999][ T194] CR2: 00007f0ca8075000 CR3: 000000000b3f8002 CR4: 0000000000771ef0
[ 49.804241][ T194] PKRU: 55555554
[ 49.804382][ T194] Call Trace:
[ 49.804534][ T194]
[ 49.804646][ T194] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 49.804819][ T194] rtmsg_ifinfo+0x5c/0xb0
[ 49.804963][ T194] ? mark_held_locks+0x40/0x70
[ 49.805149][ T194] __dev_notify_flags+0x1b8/0x280
[ 49.805322][ T194] ? netif_change_name+0x8c0/0x8c0
[ 49.805505][ T194] ? __dev_change_flags+0x4a4/0x660
[ 49.805677][ T194] ? netif_set_allmulti+0x250/0x250
[ 49.805850][ T194] ? lock_acquire.part.0+0xbc/0x260
[ 49.806023][ T194] netif_change_flags+0xfe/0x190
[ 49.806205][ T194] ? cap_capable+0x1d6/0x3e0
[ 49.806387][ T194] dev_change_flags+0xa5/0x170
[ 49.806572][ T194] devinet_ioctl+0x10f0/0x1840
[ 49.806748][ T194] ? inet_ifa_byprefix+0x220/0x220
[ 49.806920][ T194] ? _copy_from_user+0x42/0x90
[ 49.807098][ T194] inet_ioctl+0x34b/0x3a0
[ 49.807248][ T194] ? inet_dgram_connect+0x3e0/0x3e0
[ 49.807432][ T194] ? __lock_acquire+0x508/0xc10
[ 49.807612][ T194] ? __might_fault+0x97/0x140
[ 49.807790][ T194] ? __might_fault+0x97/0x140
[ 49.807963][ T194] sock_do_ioctl+0x10e/0x270
[ 49.808144][ T194] ? __sock_recv_cmsgs+0x530/0x530
[ 49.808319][ T194] ? ioctl_file_clone+0xd0/0xd0
[ 49.808507][ T194] sock_ioctl+0x3cb/0x5f0
[ 49.808649][ T194] ? br_ioctl_call+0x80/0x80
[ 49.808823][ T194] ? fd_install+0x19b/0x3d0
[ 49.808998][ T194] ? update_socket_protocol+0x10/0x10
[ 49.809181][ T194] ? alloc_file_clone+0xe0/0xe0
[ 49.809357][ T194] __x64_sys_ioctl+0x11a/0x190
[ 49.809543][ T194] do_syscall_64+0xf3/0xfc0
[ 49.809716][ T194] ? trace_hardirqs_off+0xd/0x30
[ 49.809887][ T194] ? exc_page_fault+0xee/0x100
[ 49.810061][ T194] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 49.810269][ T194] RIP: 0033:0x47cc8d
[ 49.810427][ T194] 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
[ 49.810920][ T194] RSP: 002b:00007ffe96c5f780 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 49.811166][ T194] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 49.811415][ T194] RDX: 00007ffe96c5f7f0 RSI: 0000000000008914 RDI: 0000000000000007
[ 49.811647][ T194] RBP: 00007ffe96c5f7d0 R08: 0000000000000005 R09: 0000000000001ff0
[ 49.811880][ T194] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffe96c5fcb8
[ 49.812120][ T194] R13: 00007ffe96c5fcf8 R14: 0000000000000002 R15: 0000000000543540
[ 49.812359][ T194]
[ 49.812516][ T194] irq event stamp: 31437
[ 49.812658][ T194] hardirqs last enabled at (31447): [] __up_console_sem+0x5a/0x70
[ 49.812920][ T194] hardirqs last disabled at (31456): [] __up_console_sem+0x3f/0x70
[ 49.813187][ T194] softirqs last enabled at (30744): [] __alloc_skb+0x4c2/0x5f0
[ 49.813465][ T194] softirqs last disabled at (30742): [] __alloc_skb+0x4c2/0x5f0
[ 49.813731][ T194] ---[ end trace 0000000000000000 ]---
[ 59.734200][ T194] ------------[ cut here ]------------
[ 59.735104][ T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/194
[ 59.735577][ T194] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 59.735931][ T194] CPU: 2 UID: 0 PID: 194 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 59.736366][ T194] Tainted: [W]=WARN
[ 59.736622][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.736928][ T194] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 59.737191][ T194] 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 88 e9 f0 ff b9 a6 ff ff
[ 59.737740][ T194] RSP: 0018:ffa00000008676e8 EFLAGS: 00010286
[ 59.737966][ T194] RAX: 00000000ffffffa6 RBX: ff1100000b286ac0 RCX: 1ff400000010cea3
[ 59.738226][ T194] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b286b7c
[ 59.738486][ T194] RBP: ff11000001e84000 R08: 1fe2200001650d71 R09: ff11000005e751e8
[ 59.738739][ T194] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[ 59.738994][ T194] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000867780
[ 59.739256][ T194] FS: 0000000000000000(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 59.739557][ T194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 59.739777][ T194] CR2: 00007f0ca8075000 CR3: 000000002af39003 CR4: 0000000000771ef0
[ 59.740031][ T194] PKRU: 55555554
[ 59.740191][ T194] Call Trace:
[ 59.740341][ T194]
[ 59.740475][ T194] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 59.740662][ T194] rtmsg_ifinfo+0x5c/0xb0
[ 59.740815][ T194] netif_close_many+0x2ac/0x640
[ 59.740998][ T194] ? find_held_lock+0x2b/0x80
[ 59.741191][ T194] ? __dev_close_many+0x530/0x530
[ 59.741375][ T194] ? netif_close_many_and_unlock+0x22/0x2c0
[ 59.741603][ T194] unregister_netdevice_many_notify+0x671/0x19a0
[ 59.741824][ T194] ? select_fallback_rq+0x510/0x510
[ 59.742007][ T194] ? unregister_netdevice_queued+0x80/0x80
[ 59.742230][ T194] ? find_held_lock+0x2b/0x80
[ 59.742427][ T194] ? find_held_lock+0x2b/0x80
[ 59.742610][ T194] ? __lock_release.isra.0+0x6b/0x1a0
[ 59.742794][ T194] ? __queue_work+0x315/0xc00
[ 59.742981][ T194] unregister_netdevice_queue+0x290/0x470
[ 59.743173][ T194] ? unregister_netdevice_many+0x20/0x20
[ 59.743359][ T194] ? lockdep_hardirqs_on+0x8c/0x130
[ 59.743555][ T194] ? queue_delayed_work_on+0x95/0x100
[ 59.743740][ T194] __tun_detach+0xf36/0x1320 [tun]
[ 59.743931][ T194] tun_chr_close+0xac/0x1b0 [tun]
[ 59.744117][ T194] __fput+0x363/0xac0
[ 59.744281][ T194] task_work_run+0x12b/0x240
[ 59.744486][ T194] ? lockdep_hardirqs_on+0x8c/0x130
[ 59.744672][ T194] ? task_work_cancel+0x30/0x30
[ 59.744856][ T194] ? kmem_cache_free+0xf8/0x560
[ 59.745041][ T194] do_exit+0x678/0xef0
[ 59.745202][ T194] ? exit_notify+0x890/0x890
[ 59.745387][ T194] ? find_held_lock+0x2b/0x80
[ 59.745587][ T194] ? __lock_release.isra.0+0x6b/0x1a0
[ 59.745769][ T194] ? __rwlock_init+0x150/0x150
[ 59.745956][ T194] do_group_exit+0xb8/0x370
[ 59.746138][ T194] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 59.746360][ T194] ? lockdep_hardirqs_on+0x8c/0x130
[ 59.746555][ T194] ? _raw_spin_unlock_irq+0x28/0x50
[ 59.746739][ T194] ? _raw_spin_unlock_irq+0x33/0x50
[ 59.746922][ T194] get_signal+0x172e/0x1820
[ 59.747108][ T194] ? __raw_spin_lock_init+0x44/0x120
[ 59.747295][ T194] ? mark_usage+0x61/0x170
[ 59.747487][ T194] ? __lock_acquire+0x508/0xc10
[ 59.747670][ T194] ? ptrace_signal+0x600/0x600
[ 59.747854][ T194] ? lock_acquire.part.0+0xbc/0x260
[ 59.748036][ T194] ? find_held_lock+0x2b/0x80
[ 59.748227][ T194] arch_do_signal_or_restart+0xc2/0x3a0
[ 59.748426][ T194] ? fd_install+0x18c/0x3d0
[ 59.748610][ T194] ? get_sigframe_size+0x20/0x20
[ 59.748795][ T194] ? update_socket_protocol+0x10/0x10
[ 59.748980][ T194] ? alloc_file_clone+0xe0/0xe0
[ 59.749171][ T194] ? rcu_is_watching+0x15/0xd0
[ 59.749358][ T194] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 59.749589][ T194] exit_to_user_mode_loop+0x86/0x520
[ 59.749774][ T194] ? rcu_is_watching+0x15/0xd0
[ 59.749960][ T194] do_syscall_64+0x4c8/0xfc0
[ 59.750152][ T194] ? irq_exit_rcu+0x1a/0x30
[ 59.750337][ T194] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 59.750567][ T194] RIP: 0033:0x47ea2b
[ 59.750723][ T194] Code: Unable to access opcode bytes at 0x47ea01.
[ 59.750942][ T194] RSP: 002b:00007ffe96c5f208 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 59.751201][ T194] RAX: 0000000000000008 RBX: 00007ffe96c5f2e0 RCX: 000000000047ea2b
[ 59.751464][ T194] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010
[ 59.751713][ T194] RBP: 00007ffe96c5f240 R08: 0000000000000041 R09: 000000003b13e450
[ 59.751962][ T194] R10: 0000000000000040 R11: 0000000000000202 R12: 00007ffe96c5fcb8
[ 59.752217][ T194] R13: 00007ffe96c5fcf8 R14: 00007ffe96c5f7b8 R15: 0000000000543540
[ 59.752485][ T194]
[ 59.752632][ T194] irq event stamp: 15060589
[ 59.752814][ T194] hardirqs last enabled at (15060599): [] __up_console_sem+0x5a/0x70
[ 59.753095][ T194] hardirqs last disabled at (15060608): [] __up_console_sem+0x3f/0x70
[ 59.753385][ T194] softirqs last enabled at (15060154): [] handle_softirqs+0x611/0x940
[ 59.753679][ T194] softirqs last disabled at (15060147): [] __irq_exit_rcu+0x103/0x1c0
[ 59.753961][ T194] ---[ end trace 0000000000000000 ]---
[ 59.763106][ T194] ------------[ cut here ]------------
[ 59.763307][ T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/194
[ 59.763630][ T194] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 59.763877][ T194] CPU: 2 UID: 0 PID: 194 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 59.764221][ T194] Tainted: [W]=WARN
[ 59.764367][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.764583][ T194] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 59.764799][ T194] 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 88 e9 f0 ff b9 a6 ff ff
[ 59.765315][ T194] RSP: 0018:ffa0000000867818 EFLAGS: 00010286
[ 59.765536][ T194] RAX: 00000000ffffffa6 RBX: ff1100000b2863c0 RCX: 1ff400000010cec9
[ 59.765780][ T194] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b28647c
[ 59.766021][ T194] RBP: ff11000001e84000 R08: 1fe2200001650c91 R09: ff11000005e751e8
[ 59.766270][ T194] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 59.766516][ T194] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 59.766761][ T194] FS: 0000000000000000(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 59.767038][ T194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 59.767255][ T194] CR2: 00007f0ca8075000 CR3: 000000002af39003 CR4: 0000000000771ef0
[ 59.767509][ T194] PKRU: 55555554
[ 59.767653][ T194] Call Trace:
[ 59.767799][ T194]
[ 59.767913][ T194] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 59.768125][ T194] ? unregister_netdevice_queued+0x80/0x80
[ 59.768341][ T194] ? find_held_lock+0x2b/0x80
[ 59.768530][ T194] ? find_held_lock+0x2b/0x80
[ 59.768706][ T194] ? __lock_release.isra.0+0x6b/0x1a0
[ 59.768884][ T194] ? __queue_work+0x315/0xc00
[ 59.769063][ T194] unregister_netdevice_queue+0x290/0x470
[ 59.769252][ T194] ? unregister_netdevice_many+0x20/0x20
[ 59.769440][ T194] ? lockdep_hardirqs_on+0x8c/0x130
[ 59.769616][ T194] ? queue_delayed_work_on+0x95/0x100
[ 59.769797][ T194] __tun_detach+0xf36/0x1320 [tun]
[ 59.769979][ T194] tun_chr_close+0xac/0x1b0 [tun]
[ 59.770165][ T194] __fput+0x363/0xac0
[ 59.770318][ T194] task_work_run+0x12b/0x240
[ 59.770504][ T194] ? lockdep_hardirqs_on+0x8c/0x130
[ 59.770681][ T194] ? task_work_cancel+0x30/0x30
[ 59.770858][ T194] ? kmem_cache_free+0xf8/0x560
[ 59.771037][ T194] do_exit+0x678/0xef0
[ 59.771191][ T194] ? exit_notify+0x890/0x890
[ 59.771367][ T194] ? find_held_lock+0x2b/0x80
[ 59.771554][ T194] ? __lock_release.isra.0+0x6b/0x1a0
[ 59.771734][ T194] ? __rwlock_init+0x150/0x150
[ 59.771912][ T194] do_group_exit+0xb8/0x370
[ 59.772088][ T194] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 59.772302][ T194] ? lockdep_hardirqs_on+0x8c/0x130
[ 59.772490][ T194] ? _raw_spin_unlock_irq+0x28/0x50
[ 59.772667][ T194] ? _raw_spin_unlock_irq+0x33/0x50
[ 59.772844][ T194] get_signal+0x172e/0x1820
[ 59.773023][ T194] ? __raw_spin_lock_init+0x44/0x120
[ 59.773207][ T194] ? mark_usage+0x61/0x170
[ 59.773384][ T194] ? __lock_acquire+0x508/0xc10
[ 59.773574][ T194] ? ptrace_signal+0x600/0x600
[ 59.773754][ T194] ? lock_acquire.part.0+0xbc/0x260
[ 59.773928][ T194] ? find_held_lock+0x2b/0x80
[ 59.774106][ T194] arch_do_signal_or_restart+0xc2/0x3a0
[ 59.774290][ T194] ? fd_install+0x18c/0x3d0
[ 59.774480][ T194] ? get_sigframe_size+0x20/0x20
[ 59.774660][ T194] ? update_socket_protocol+0x10/0x10
[ 59.774835][ T194] ? alloc_file_clone+0xe0/0xe0
[ 59.775010][ T194] ? rcu_is_watching+0x15/0xd0
[ 59.775191][ T194] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 59.775411][ T194] exit_to_user_mode_loop+0x86/0x520
[ 59.775592][ T194] ? rcu_is_watching+0x15/0xd0
[ 59.775769][ T194] do_syscall_64+0x4c8/0xfc0
[ 59.775945][ T194] ? irq_exit_rcu+0x1a/0x30
[ 59.776122][ T194] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 59.776337][ T194] RIP: 0033:0x47ea2b
[ 59.776498][ T194] Code: Unable to access opcode bytes at 0x47ea01.
[ 59.776711][ T194] RSP: 002b:00007ffe96c5f208 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 59.776953][ T194] RAX: 0000000000000008 RBX: 00007ffe96c5f2e0 RCX: 000000000047ea2b
[ 59.777197][ T194] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010
[ 59.777450][ T194] RBP: 00007ffe96c5f240 R08: 0000000000000041 R09: 000000003b13e450
[ 59.777689][ T194] R10: 0000000000000040 R11: 0000000000000202 R12: 00007ffe96c5fcb8
[ 59.777929][ T194] R13: 00007ffe96c5fcf8 R14: 00007ffe96c5f7b8 R15: 0000000000543540
[ 59.778181][ T194]
[ 59.778323][ T194] irq event stamp: 15075157
[ 59.778509][ T194] hardirqs last enabled at (15075169): [] __up_console_sem+0x5a/0x70
[ 59.778780][ T194] hardirqs last disabled at (15075178): [] __up_console_sem+0x3f/0x70
[ 59.779051][ T194] softirqs last enabled at (15074320): [] __alloc_skb+0x4c2/0x5f0
[ 59.779330][ T194] softirqs last disabled at (15074318): [] __alloc_skb+0x4c2/0x5f0
[ 59.779608][ T194] ---[ end trace 0000000000000000 ]---
[ 59.792288][ T12] ------------[ cut here ]------------
[ 59.792453][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: kworker/u16:0/12
[ 59.792702][ T12] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 59.792887][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 59.793168][ T12] Tainted: [W]=WARN
[ 59.793260][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.793421][ T12] Workqueue: netns cleanup_net
[ 59.793548][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 59.793703][ 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 88 e9 f0 ff b9 a6 ff ff
[ 59.794130][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 59.794286][ T12] RAX: 00000000ffffffa6 RBX: ff1100000a821380 RCX: 1ff4000000018ed5
[ 59.794471][ T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a82143c
[ 59.794662][ T12] RBP: ff1100000a1d1000 R08: 1fe2200001504289 R09: ff11000001afd260
[ 59.794845][ T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 59.795037][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 59.795236][ T12] FS: 0000000000000000(0000) GS:ff110000a782c000(0000) knlGS:0000000000000000
[ 59.795459][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 59.795607][ T12] CR2: 00007fb4eb41c2a0 CR3: 000000000f4de002 CR4: 0000000000771ef0
[ 59.795797][ T12] PKRU: 55555554
[ 59.795886][ T12] Call Trace:
[ 59.795977][ T12]
[ 59.796039][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 59.796201][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 59.796363][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 59.796490][ T12] default_device_exit_batch+0x38b/0x600
[ 59.796607][ T12] ? generic_xdp_install+0x400/0x400
[ 59.796724][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 59.796853][ T12] ? unregister_netdev+0x60/0x60
[ 59.796980][ T12] ? rtnl_is_locked+0x15/0x20
[ 59.797105][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 59.797243][ T12] ops_undo_list+0x2ce/0x8f0
[ 59.797365][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 59.797490][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 59.797619][ T12] cleanup_net+0x431/0x890
[ 59.797743][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 59.797866][ T12] ? process_one_work+0xdb7/0x1410
[ 59.797985][ T12] ? lock_acquire+0x134/0x160
[ 59.798107][ T12] ? rcu_is_watching+0x15/0xd0
[ 59.798233][ T12] process_one_work+0xdf8/0x1410
[ 59.798354][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 59.798478][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 59.798609][ T12] worker_thread+0x4f1/0xd60
[ 59.798737][ T12] ? rescuer_thread+0x1320/0x1320
[ 59.798854][ T12] kthread+0x367/0x460
[ 59.798944][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 59.799090][ T12] ? kthread_affine_node+0x330/0x330
[ 59.799214][ T12] ret_from_fork+0x4a4/0x720
[ 59.799342][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 59.799495][ T12] ? __switch_to+0x5a3/0xe00
[ 59.799613][ T12] ? kthread_affine_node+0x330/0x330
[ 59.799736][ T12] ret_from_fork_asm+0x11/0x20
[ 59.799865][ T12]
[ 59.799953][ T12] irq event stamp: 28149
[ 59.800048][ T12] hardirqs last enabled at (28157): [] __up_console_sem+0x5a/0x70
[ 59.800266][ T12] hardirqs last disabled at (28164): [] __up_console_sem+0x3f/0x70
[ 59.800473][ T12] softirqs last enabled at (27808): [] handle_softirqs+0x611/0x940
[ 59.800680][ T12] softirqs last disabled at (27803): [] __irq_exit_rcu+0x103/0x1c0
[ 59.800881][ T12] ---[ end trace 0000000000000000 ]---
[ 59.836596][ T197] ------------[ cut here ]------------
[ 59.836757][ T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: unshare/197
[ 59.837024][ T197] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 59.837241][ T197] CPU: 1 UID: 0 PID: 197 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 59.837517][ T197] Tainted: [W]=WARN
[ 59.837618][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.837785][ T197] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 59.837960][ T197] 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 88 e9 f0 ff b9 a6 ff ff
[ 59.838447][ T197] RSP: 0018:ffa0000000657ab0 EFLAGS: 00010286
[ 59.838613][ T197] RAX: 00000000ffffffa6 RBX: ff1100000b17f540 RCX: 1ff40000000caf1c
[ 59.838810][ T197] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b17f5fc
[ 59.839010][ T197] RBP: ff110000055e4000 R08: 1fe220000162fec1 R09: ff1100000a2a2ed0
[ 59.839215][ T197] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 59.839415][ T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000055e4000
[ 59.839616][ T197] FS: 00007f2e712e3740(0000) GS:ff110000a782c000(0000) knlGS:0000000000000000
[ 59.839852][ T197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 59.840018][ T197] CR2: 000055fadcf9d008 CR3: 000000000b3f8003 CR4: 0000000000771ef0
[ 59.840223][ T197] PKRU: 55555554
[ 59.840323][ T197] Call Trace:
[ 59.840428][ T197]
[ 59.840497][ T197] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 59.840631][ T197] ? notifier_call_chain+0xb0/0x320
[ 59.840767][ T197] rtmsg_ifinfo+0x5c/0xb0
[ 59.840868][ T197] register_netdevice+0x137a/0x1980
[ 59.841004][ T197] ? unregister_netdevice_queue+0x470/0x470
[ 59.841179][ T197] register_netdev+0x23/0x40
[ 59.841313][ T197] loopback_net_init+0x7d/0x150
[ 59.841453][ T197] ops_init+0x187/0x560
[ 59.841557][ T197] setup_net+0x11b/0x3b0
[ 59.841658][ T197] ? unregister_pernet_device+0x80/0x80
[ 59.841791][ T197] ? lockdep_init_map_type+0x5d/0x250
[ 59.841925][ T197] ? mutex_init_lockdep+0xf6/0x120
[ 59.842060][ T197] copy_net_ns+0x2fd/0x450
[ 59.842199][ T197] create_new_namespaces+0x371/0xa10
[ 59.842337][ T197] unshare_nsproxy_namespaces+0xa5/0x150
[ 59.842476][ T197] ksys_unshare+0x47e/0x8c0
[ 59.842609][ T197] ? walk_process_tree+0x350/0x350
[ 59.842749][ T197] __x64_sys_unshare+0x34/0x50
[ 59.842883][ T197] ? do_syscall_64+0x82/0xfc0
[ 59.843016][ T197] do_syscall_64+0xf3/0xfc0
[ 59.843153][ T197] ? trace_hardirqs_off+0xd/0x30
[ 59.843285][ T197] ? exc_page_fault+0xee/0x100
[ 59.843424][ T197] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 59.843588][ T197] RIP: 0033:0x7f2e713debcb
[ 59.843730][ T197] 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
[ 59.844232][ T197] RSP: 002b:00007fffc0420348 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 59.844436][ T197] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2e713debcb
[ 59.844636][ T197] RDX: 0000000000000000 RSI: 00007fffc04200b0 RDI: 0000000040000000
[ 59.844834][ T197] RBP: 00007fffc04206d0 R08: 00007fffc04202a0 R09: 0000000000000000
[ 59.845031][ T197] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 59.845235][ T197] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055fac7e85b68
[ 59.845446][ T197]
[ 59.845545][ T197] irq event stamp: 16211
[ 59.845645][ T197] hardirqs last enabled at (16219): [] __up_console_sem+0x5a/0x70
[ 59.845876][ T197] hardirqs last disabled at (16226): [] __up_console_sem+0x3f/0x70
[ 59.846105][ T197] softirqs last enabled at (15720): [] __alloc_skb+0x4c2/0x5f0
[ 59.846341][ T197] softirqs last disabled at (15718): [] __alloc_skb+0x4c2/0x5f0
[ 59.846577][ T197] ---[ end trace 0000000000000000 ]---
[ 59.853870][ T197] ------------[ cut here ]------------
[ 59.854019][ T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/197
[ 59.854278][ T197] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 59.854479][ T197] CPU: 0 UID: 0 PID: 197 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 59.854768][ T197] Tainted: [W]=WARN
[ 59.854864][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.855023][ T197] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 59.855196][ T197] 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 88 e9 f0 ff b9 a6 ff ff
[ 59.855655][ T197] RSP: 0018:ffa0000000657b58 EFLAGS: 00010286
[ 59.855814][ T197] RAX: 00000000ffffffa6 RBX: ff1100000b17e3c0 RCX: 1ff40000000caf31
[ 59.856006][ T197] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b17e47c
[ 59.856201][ T197] RBP: ff11000009bb8000 R08: 1fe220000162fc91 R09: ff1100000a2a2ea8
[ 59.856389][ T197] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 59.856584][ T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009bb8000
[ 59.856774][ T197] FS: 000000000cedf400(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 59.856995][ T197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 59.857158][ T197] CR2: 00007fb1178f4000 CR3: 000000000c06e005 CR4: 0000000000771ef0
[ 59.857348][ T197] PKRU: 55555554
[ 59.857448][ T197] Call Trace:
[ 59.857542][ T197]
[ 59.857607][ T197] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 59.857737][ T197] ? notifier_call_chain+0xb0/0x320
[ 59.857864][ T197] rtmsg_ifinfo+0x5c/0xb0
[ 59.857962][ T197] register_netdevice+0x137a/0x1980
[ 59.858090][ T197] ? unregister_netdevice_queue+0x470/0x470
[ 59.858249][ T197] ? alloc_netdev_mqs+0xec0/0x1480
[ 59.858377][ T197] tun_set_iff.constprop.0+0xc61/0x1850 [tun]
[ 59.858544][ T197] ? tun_attach.isra.0+0x1630/0x1630 [tun]
[ 59.858703][ T197] ? tun_get+0x106/0x240 [tun]
[ 59.858833][ T197] __tun_chr_ioctl+0x4b0/0x2470 [tun]
[ 59.858961][ T197] ? build_open_flags+0x620/0x620
[ 59.859089][ T197] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 59.859232][ T197] ? lockdep_hardirqs_on+0x8c/0x130
[ 59.859361][ T197] ? __x64_sys_openat+0x10e/0x210
[ 59.859495][ T197] ? fput_close_sync+0xde/0x1b0
[ 59.859621][ T197] ? __ia32_sys_open+0x1b0/0x1b0
[ 59.859748][ T197] __x64_sys_ioctl+0x11a/0x190
[ 59.859896][ T197] do_syscall_64+0xf3/0xfc0
[ 59.860078][ T197] ? trace_hardirqs_off+0xd/0x30
[ 59.860256][ T197] ? exc_page_fault+0xee/0x100
[ 59.860385][ T197] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 59.860550][ T197] RIP: 0033:0x47cc8d
[ 59.860653][ T197] 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
[ 59.861101][ T197] RSP: 002b:00007fff4c35a8e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 59.861357][ T197] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 59.861556][ T197] RDX: 00007fff4c35a960 RSI: 00000000400454ca RDI: 0000000000000006
[ 59.861744][ T197] RBP: 00007fff4c35a930 R08: 0000000000000000 R09: 0000000000000000
[ 59.861931][ T197] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff4c35ae38
[ 59.862119][ T197] R13: 00007fff4c35ae78 R14: 0000000000000002 R15: 0000000000543540
[ 59.862318][ T197]
[ 59.862416][ T197] irq event stamp: 21793
[ 59.862511][ T197] hardirqs last enabled at (21801): [] __up_console_sem+0x5a/0x70
[ 59.862726][ T197] hardirqs last disabled at (21808): [] __up_console_sem+0x3f/0x70
[ 59.862961][ T197] softirqs last enabled at (21318): [] __alloc_skb+0x4c2/0x5f0
[ 59.863282][ T197] softirqs last disabled at (21316): [] __alloc_skb+0x4c2/0x5f0
[ 59.863626][ T197] ---[ end trace 0000000000000000 ]---
[ 59.882869][ T198] ------------[ cut here ]------------
[ 59.883019][ T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ifconfig/198
[ 59.883278][ T198] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 59.884024][ T198] CPU: 1 UID: 0 PID: 198 Comm: ifconfig Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 59.884291][ T198] Tainted: [W]=WARN
[ 59.884387][ T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.884580][ T198] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 59.884745][ T198] 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 88 e9 f0 ff b9 a6 ff ff
[ 59.885203][ T198] RSP: 0018:ffa0000000827850 EFLAGS: 00010286
[ 59.885362][ T198] RAX: 00000000ffffffa6 RBX: ff1100000b17f1c0 RCX: 1ff4000000104ed0
[ 59.885557][ T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b17f27c
[ 59.885747][ T198] RBP: ff11000009bb8000 R08: 1fe220000162fe51 R09: ff1100000c3cd1e8
[ 59.885939][ T198] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[ 59.886131][ T198] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[ 59.886325][ T198] FS: 00007ff5ea23d740(0000) GS:ff110000a782c000(0000) knlGS:0000000000000000
[ 59.886555][ T198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 59.886715][ T198] CR2: 00005654b06e85fa CR3: 000000000d842001 CR4: 0000000000771ef0
[ 59.886908][ T198] PKRU: 55555554
[ 59.887005][ T198] Call Trace:
[ 59.887101][ T198]
[ 59.887170][ T198] ? rcu_is_watching+0x15/0xd0
[ 59.887298][ T198] rtnetlink_event+0xe0/0x1f0
[ 59.887434][ T198] notifier_call_chain+0xb0/0x320
[ 59.887565][ T198] netif_set_mtu_ext+0x354/0x5f0
[ 59.887694][ T198] ? dev_validate_mtu+0x180/0x180
[ 59.887823][ T198] ? rcu_read_lock_any_held+0x3c/0x90
[ 59.887953][ T198] ? validate_chain+0x38b/0xc20
[ 59.888083][ T198] netif_set_mtu+0x85/0xe0
[ 59.888216][ T198] ? netif_set_mtu_ext+0x5f0/0x5f0
[ 59.888350][ T198] ? lock_acquire+0x134/0x160
[ 59.888483][ T198] ? rcu_is_watching+0x15/0xd0
[ 59.888611][ T198] ? rcu_is_watching+0x15/0xd0
[ 59.888738][ T198] ? trace_contention_end+0xb3/0x1a0
[ 59.888868][ T198] dev_set_mtu+0x9d/0x150
[ 59.888965][ T198] dev_ifsioc+0x3dc/0x17d0
[ 59.889093][ T198] ? mark_usage+0x61/0x170
[ 59.889224][ T198] ? dev_set_hwtstamp+0x4c0/0x4c0
[ 59.889350][ T198] ? ww_mutex_lock+0x160/0x160
[ 59.889483][ T198] ? lock_acquire.part.0+0xbc/0x260
[ 59.889609][ T198] ? find_held_lock+0x2b/0x80
[ 59.889739][ T198] ? __lock_release.isra.0+0x6b/0x1a0
[ 59.889868][ T198] ? dev_load+0x6c/0x180
[ 59.889966][ T198] dev_ioctl+0x2eb/0xe50
[ 59.890064][ T198] sock_do_ioctl+0x1a4/0x270
[ 59.890196][ T198] ? rcu_read_unlock+0x20/0x70
[ 59.890324][ T198] ? __sock_recv_cmsgs+0x530/0x530
[ 59.890458][ T198] ? __handle_mm_fault+0x6a8/0x840
[ 59.890587][ T198] ? ioctl_file_clone+0xd0/0xd0
[ 59.890718][ T198] ? lock_vma_under_rcu+0x159/0x410
[ 59.890847][ T198] sock_ioctl+0x3cb/0x5f0
[ 59.890945][ T198] ? br_ioctl_call+0x80/0x80
[ 59.891075][ T198] ? find_held_lock+0x2b/0x80
[ 59.891208][ T198] ? __lock_release.isra.0+0x6b/0x1a0
[ 59.891335][ T198] ? exc_page_fault+0x87/0x100
[ 59.891488][ T198] __x64_sys_ioctl+0x11a/0x190
[ 59.891618][ T198] do_syscall_64+0xf3/0xfc0
[ 59.891747][ T198] ? trace_hardirqs_off+0xd/0x30
[ 59.891875][ T198] ? exc_page_fault+0xee/0x100
[ 59.892004][ T198] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 59.892169][ T198] RIP: 0033:0x7ff5ea3335fd
[ 59.892302][ T198] 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
[ 59.892762][ T198] RSP: 002b:00007fff61e7b410 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 59.892952][ T198] RAX: ffffffffffffffda RBX: 00007fff61e7d81d RCX: 00007ff5ea3335fd
[ 59.893146][ T198] RDX: 00007fff61e7b4c0 RSI: 0000000000008922 RDI: 0000000000000008
[ 59.893336][ T198] RBP: 00007fff61e7b460 R08: 0000000000000000 R09: 00007fff61e7d821
[ 59.893533][ T198] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff61e7b7f8
[ 59.893723][ T198] R13: 0000000000000004 R14: 00007ff5ea481000 R15: 00005654b06e6918
[ 59.893920][ T198]
[ 59.894015][ T198] irq event stamp: 17541
[ 59.894110][ T198] hardirqs last enabled at (17549): [] __up_console_sem+0x5a/0x70
[ 59.894335][ T198] hardirqs last disabled at (17556): [] __up_console_sem+0x3f/0x70
[ 59.894561][ T198] softirqs last enabled at (17012): [] handle_softirqs+0x611/0x940
[ 59.894781][ T198] softirqs last disabled at (16963): [] __irq_exit_rcu+0x103/0x1c0
[ 59.895003][ T198] ---[ end trace 0000000000000000 ]---
[ 59.897490][ T197] ------------[ cut here ]------------
[ 59.897629][ T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/197
[ 59.897871][ T197] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 59.898061][ T197] CPU: 0 UID: 0 PID: 197 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 59.898350][ T197] Tainted: [W]=WARN
[ 59.898447][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.898601][ T197] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 59.898760][ T197] 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 88 e9 f0 ff b9 a6 ff ff
[ 59.899202][ T197] RSP: 0018:ffa0000000657c58 EFLAGS: 00010286
[ 59.899356][ T197] RAX: 00000000ffffffa6 RBX: ff1100000b17ee40 RCX: 1ff40000000caf51
[ 59.899545][ T197] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b17eefc
[ 59.899729][ T197] RBP: ff11000009bb8000 R08: 1fe220000162fde1 R09: ff1100000a2a2ea8
[ 59.899913][ T197] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[ 59.900099][ T197] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[ 59.900290][ T197] FS: 000000000cedf400(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 59.900511][ T197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 59.900666][ T197] CR2: 00007fb1178f4000 CR3: 000000000c06e005 CR4: 0000000000771ef0
[ 59.900851][ T197] PKRU: 55555554
[ 59.900943][ T197] Call Trace:
[ 59.901035][ T197]
[ 59.901099][ T197] ? rcu_is_watching+0x15/0xd0
[ 59.901228][ T197] rtnetlink_event+0xe0/0x1f0
[ 59.901352][ T197] notifier_call_chain+0xb0/0x320
[ 59.901481][ T197] netdev_update_features+0xa9/0xb0
[ 59.901607][ T197] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 59.901763][ T197] __tun_chr_ioctl+0xc7f/0x2470 [tun]
[ 59.901891][ T197] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 59.902015][ T197] ? fd_install+0x19b/0x3d0
[ 59.902140][ T197] ? update_socket_protocol+0x10/0x10
[ 59.902268][ T197] ? rcu_is_watching+0x15/0xd0
[ 59.902393][ T197] __x64_sys_ioctl+0x11a/0x190
[ 59.902525][ T197] do_syscall_64+0xf3/0xfc0
[ 59.902648][ T197] ? trace_hardirqs_off+0xd/0x30
[ 59.902773][ T197] ? exc_page_fault+0xee/0x100
[ 59.902895][ T197] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 59.903047][ T197] RIP: 0033:0x47cc8d
[ 59.903148][ T197] 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
[ 59.903592][ T197] RSP: 002b:00007fff4c35a920 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 59.903776][ T197] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 59.903958][ T197] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000006
[ 59.904145][ T197] RBP: 00007fff4c35a970 R08: 0000000000000021 R09: 000000000cee0450
[ 59.904330][ T197] R10: 0000000000000020 R11: 0000000000000246 R12: 00007fff4c35ae38
[ 59.904519][ T197] R13: 00007fff4c35ae78 R14: 0000000000000002 R15: 0000000000543540
[ 59.904707][ T197]
[ 59.904799][ T197] irq event stamp: 22843
[ 59.904889][ T197] hardirqs last enabled at (22851): [] __up_console_sem+0x5a/0x70
[ 59.905102][ T197] hardirqs last disabled at (22858): [] __up_console_sem+0x3f/0x70
[ 59.905318][ T197] softirqs last enabled at (22824): [] handle_softirqs+0x611/0x940
[ 59.905534][ T197] softirqs last disabled at (22819): [] __irq_exit_rcu+0x103/0x1c0
[ 59.905745][ T197] ---[ end trace 0000000000000000 ]---
[ 59.906188][ T197] ------------[ cut here ]------------
[ 59.906317][ T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/197
[ 59.906571][ T197] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 59.906768][ T197] CPU: 0 UID: 0 PID: 197 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 59.907060][ T197] Tainted: [W]=WARN
[ 59.907161][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.907324][ T197] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 59.907496][ T197] 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 88 e9 f0 ff b9 a6 ff ff
[ 59.907953][ T197] RSP: 0018:ffa0000000657910 EFLAGS: 00010286
[ 59.908115][ T197] RAX: 00000000ffffffa6 RBX: ff11000008c32c80 RCX: 1ff40000000caee8
[ 59.908311][ T197] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008c32d3c
[ 59.908508][ T197] RBP: ff11000009bb8000 R08: 1fe22000011865a9 R09: ff1100000a2a2ea8
[ 59.908702][ T197] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[ 59.908896][ T197] R13: 0000000000000000 R14: 0000000000000000 R15: 00000000000010d1
[ 59.909090][ T197] FS: 000000000cedf400(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 59.909319][ T197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 59.909487][ T197] CR2: 00007fb1178f4000 CR3: 000000000c06e005 CR4: 0000000000771ef0
[ 59.909680][ T197] PKRU: 55555554
[ 59.909776][ T197] Call Trace:
[ 59.909872][ T197]
[ 59.909938][ T197] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 59.910069][ T197] rtmsg_ifinfo+0x5c/0xb0
[ 59.910171][ T197] ? mark_held_locks+0x40/0x70
[ 59.910300][ T197] __dev_notify_flags+0x1b8/0x280
[ 59.910438][ T197] ? netif_change_name+0x8c0/0x8c0
[ 59.910567][ T197] ? __dev_change_flags+0x4a4/0x660
[ 59.910695][ T197] ? netif_set_allmulti+0x250/0x250
[ 59.910825][ T197] ? lock_acquire.part.0+0xbc/0x260
[ 59.910953][ T197] ? dev_ioctl+0x2db/0xe50
[ 59.911083][ T197] netif_change_flags+0xfe/0x190
[ 59.911217][ T197] dev_change_flags+0xa5/0x170
[ 59.911348][ T197] dev_ifsioc+0x11b3/0x17d0
[ 59.911480][ T197] ? mark_usage+0x61/0x170
[ 59.911609][ T197] ? dev_set_hwtstamp+0x4c0/0x4c0
[ 59.911738][ T197] ? ww_mutex_lock+0x160/0x160
[ 59.911869][ T197] ? lock_acquire.part.0+0xbc/0x260
[ 59.911996][ T197] ? find_held_lock+0x2b/0x80
[ 59.912127][ T197] ? __lock_release.isra.0+0x6b/0x1a0
[ 59.912262][ T197] ? dev_load+0x6c/0x180
[ 59.912363][ T197] dev_ioctl+0x2eb/0xe50
[ 59.912466][ T197] sock_do_ioctl+0x1a4/0x270
[ 59.912599][ T197] ? __sock_recv_cmsgs+0x530/0x530
[ 59.912734][ T197] ? ioctl_file_clone+0xd0/0xd0
[ 59.912865][ T197] sock_ioctl+0x3cb/0x5f0
[ 59.912963][ T197] ? br_ioctl_call+0x80/0x80
[ 59.913092][ T197] ? fd_install+0x19b/0x3d0
[ 59.913228][ T197] ? update_socket_protocol+0x10/0x10
[ 59.913358][ T197] ? rcu_is_watching+0x15/0xd0
[ 59.913497][ T197] __x64_sys_ioctl+0x11a/0x190
[ 59.913629][ T197] do_syscall_64+0xf3/0xfc0
[ 59.913757][ T197] ? trace_hardirqs_off+0xd/0x30
[ 59.913885][ T197] ? exc_page_fault+0xee/0x100
[ 59.914015][ T197] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 59.914187][ T197] RIP: 0033:0x47cc8d
[ 59.914288][ T197] 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
[ 59.914749][ T197] RSP: 002b:00007fff4c35a900 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 59.914943][ T197] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 59.915134][ T197] RDX: 00007fff4c35a970 RSI: 0000000000008914 RDI: 0000000000000007
[ 59.915335][ T197] RBP: 00007fff4c35a950 R08: 0000000000000021 R09: 000000000cee0450
[ 59.915531][ T197] R10: 0000000000000020 R11: 0000000000000246 R12: 00007fff4c35ae38
[ 59.915722][ T197] R13: 00007fff4c35ae78 R14: 0000000000000002 R15: 0000000000543540
[ 59.915918][ T197]
[ 59.916017][ T197] irq event stamp: 23651
[ 59.916113][ T197] hardirqs last enabled at (23659): [] __up_console_sem+0x5a/0x70
[ 59.916339][ T197] hardirqs last disabled at (23666): [] __up_console_sem+0x3f/0x70
[ 59.916566][ T197] softirqs last enabled at (23078): [] __alloc_skb+0x4c2/0x5f0
[ 59.916787][ T197] softirqs last disabled at (23076): [] __alloc_skb+0x4c2/0x5f0
[ 59.917013][ T197] ---[ end trace 0000000000000000 ]---
[ 69.817805][ T197] ------------[ cut here ]------------
[ 69.818020][ T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: packetdrill/197
[ 69.818289][ T197] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 69.818504][ T197] CPU: 1 UID: 0 PID: 197 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 69.818802][ T197] Tainted: [W]=WARN
[ 69.818902][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 69.819064][ T197] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 69.819237][ T197] 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 88 e9 f0 ff b9 a6 ff ff
[ 69.819705][ T197] RSP: 0018:ffa00000006576e8 EFLAGS: 00010286
[ 69.819869][ T197] RAX: 00000000ffffffa6 RBX: ff1100000dba8ac0 RCX: 1ff40000000caea3
[ 69.820062][ T197] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dba8b7c
[ 69.820259][ T197] RBP: ff11000009bb8000 R08: 1fe2200001b75171 R09: ff1100000a2a2ea8
[ 69.820460][ T197] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[ 69.820651][ T197] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000657780
[ 69.820843][ T197] FS: 0000000000000000(0000) GS:ff110000a782c000(0000) knlGS:0000000000000000
[ 69.821073][ T197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 69.821242][ T197] CR2: 00007f8ec53a26f0 CR3: 000000000d863002 CR4: 0000000000771ef0
[ 69.821449][ T197] PKRU: 55555554
[ 69.821546][ T197] Call Trace:
[ 69.821644][ T197]
[ 69.821712][ T197] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 69.821845][ T197] rtmsg_ifinfo+0x5c/0xb0
[ 69.821943][ T197] netif_close_many+0x2ac/0x640
[ 69.822071][ T197] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 69.822206][ T197] ? lock_acquire.part.0+0xbc/0x260
[ 69.822333][ T197] ? find_held_lock+0x2b/0x80
[ 69.822467][ T197] ? __dev_close_many+0x530/0x530
[ 69.822599][ T197] ? netif_close_many_and_unlock+0x22/0x2c0
[ 69.822758][ T197] unregister_netdevice_many_notify+0x671/0x19a0
[ 69.822921][ T197] ? select_fallback_rq+0x510/0x510
[ 69.823051][ T197] ? unregister_netdevice_queued+0x80/0x80
[ 69.823211][ T197] ? find_held_lock+0x2b/0x80
[ 69.823339][ T197] ? find_held_lock+0x2b/0x80
[ 69.823475][ T197] ? __lock_release.isra.0+0x6b/0x1a0
[ 69.823604][ T197] ? __queue_work+0x315/0xc00
[ 69.823734][ T197] unregister_netdevice_queue+0x290/0x470
[ 69.823863][ T197] ? unregister_netdevice_many+0x20/0x20
[ 69.823994][ T197] ? lockdep_hardirqs_on+0x8c/0x130
[ 69.824122][ T197] ? queue_delayed_work_on+0x95/0x100
[ 69.824258][ T197] __tun_detach+0xf36/0x1320 [tun]
[ 69.824391][ T197] tun_chr_close+0xac/0x1b0 [tun]
[ 69.824529][ T197] __fput+0x363/0xac0
[ 69.824633][ T197] task_work_run+0x12b/0x240
[ 69.824761][ T197] ? lockdep_hardirqs_on+0x8c/0x130
[ 69.824890][ T197] ? task_work_cancel+0x30/0x30
[ 69.825021][ T197] ? kmem_cache_free+0xf8/0x560
[ 69.825151][ T197] do_exit+0x678/0xef0
[ 69.825253][ T197] ? exit_notify+0x890/0x890
[ 69.825382][ T197] ? find_held_lock+0x2b/0x80
[ 69.825537][ T197] ? __lock_release.isra.0+0x6b/0x1a0
[ 69.825666][ T197] ? __rwlock_init+0x150/0x150
[ 69.825798][ T197] do_group_exit+0xb8/0x370
[ 69.825928][ T197] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 69.826087][ T197] ? lockdep_hardirqs_on+0x8c/0x130
[ 69.826220][ T197] ? _raw_spin_unlock_irq+0x28/0x50
[ 69.826351][ T197] ? _raw_spin_unlock_irq+0x33/0x50
[ 69.826487][ T197] get_signal+0x172e/0x1820
[ 69.826618][ T197] ? __sys_sendto+0x2bc/0x3e0
[ 69.826748][ T197] ? __ia32_sys_getpeername+0xd0/0xd0
[ 69.826876][ T197] ? ptrace_signal+0x600/0x600
[ 69.827008][ T197] arch_do_signal_or_restart+0xc2/0x3a0
[ 69.827139][ T197] ? get_sigframe_size+0x20/0x20
[ 69.827273][ T197] ? rcu_is_watching+0x15/0xd0
[ 69.827410][ T197] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 69.827570][ T197] exit_to_user_mode_loop+0x86/0x520
[ 69.827698][ T197] ? rcu_is_watching+0x15/0xd0
[ 69.827827][ T197] do_syscall_64+0x4c8/0xfc0
[ 69.827957][ T197] ? irq_exit_rcu+0x1a/0x30
[ 69.828086][ T197] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 69.828249][ T197] RIP: 0033:0x4c2d9e
[ 69.828356][ T197] Code: Unable to access opcode bytes at 0x4c2d74.
[ 69.828527][ T197] RSP: 002b:00007fff4c35a290 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 69.828724][ T197] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 69.828919][ T197] RDX: 0000000000000014 RSI: 00007fff4c35a370 RDI: 0000000000000008
[ 69.829109][ T197] RBP: 00007fff4c35a2a0 R08: 00007fff4c35a330 R09: 000000000000000c
[ 69.829301][ T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000cee91e0
[ 69.829499][ T197] R13: 00007fff4c35ae78 R14: 00007fff4c35a460 R15: 0000000000543540
[ 69.829699][ T197]
[ 69.829795][ T197] irq event stamp: 15175817
[ 69.829922][ T197] hardirqs last enabled at (15175825): [] __up_console_sem+0x5a/0x70
[ 69.830147][ T197] hardirqs last disabled at (15175832): [] __up_console_sem+0x3f/0x70
[ 69.830374][ T197] softirqs last enabled at (15175304): [] handle_softirqs+0x611/0x940
[ 69.830602][ T197] softirqs last disabled at (15175295): [] __irq_exit_rcu+0x103/0x1c0
[ 69.830823][ T197] ---[ end trace 0000000000000000 ]---
[ 69.832866][ T197] ------------[ cut here ]------------
[ 69.832994][ T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: packetdrill/197
[ 69.833241][ T197] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 69.833457][ T197] CPU: 1 UID: 0 PID: 197 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 69.833744][ T197] Tainted: [W]=WARN
[ 69.833838][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 69.833994][ T197] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 69.834157][ T197] 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 88 e9 f0 ff b9 a6 ff ff
[ 69.834608][ T197] RSP: 0018:ffa0000000657818 EFLAGS: 00010286
[ 69.834764][ T197] RAX: 00000000ffffffa6 RBX: ff1100000abf0200 RCX: 1ff40000000caec9
[ 69.834951][ T197] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000abf02bc
[ 69.835135][ T197] RBP: ff11000009bb8000 R08: 1fe220000157e059 R09: ff1100000a2a2ea8
[ 69.835323][ T197] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[ 69.835514][ T197] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 69.835702][ T197] FS: 0000000000000000(0000) GS:ff110000a782c000(0000) knlGS:0000000000000000
[ 69.835918][ T197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 69.836073][ T197] CR2: 00007f8ec53a26f0 CR3: 000000000d863002 CR4: 0000000000771ef0
[ 69.836268][ T197] PKRU: 55555554
[ 69.836361][ T197] Call Trace:
[ 69.836463][ T197]
[ 69.836528][ T197] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 69.836688][ T197] ? unregister_netdevice_queued+0x80/0x80
[ 69.836840][ T197] ? find_held_lock+0x2b/0x80
[ 69.836964][ T197] ? find_held_lock+0x2b/0x80
[ 69.837089][ T197] ? __lock_release.isra.0+0x6b/0x1a0
[ 69.837220][ T197] ? __queue_work+0x315/0xc00
[ 69.837345][ T197] unregister_netdevice_queue+0x290/0x470
[ 69.837476][ T197] ? unregister_netdevice_many+0x20/0x20
[ 69.837601][ T197] ? lockdep_hardirqs_on+0x8c/0x130
[ 69.837725][ T197] ? queue_delayed_work_on+0x95/0x100
[ 69.837850][ T197] __tun_detach+0xf36/0x1320 [tun]
[ 69.837979][ T197] tun_chr_close+0xac/0x1b0 [tun]
[ 69.838106][ T197] __fput+0x363/0xac0
[ 69.838209][ T197] task_work_run+0x12b/0x240
[ 69.838335][ T197] ? lockdep_hardirqs_on+0x8c/0x130
[ 69.838464][ T197] ? task_work_cancel+0x30/0x30
[ 69.838589][ T197] ? kmem_cache_free+0xf8/0x560
[ 69.838716][ T197] do_exit+0x678/0xef0
[ 69.838811][ T197] ? exit_notify+0x890/0x890
[ 69.838934][ T197] ? find_held_lock+0x2b/0x80
[ 69.839059][ T197] ? __lock_release.isra.0+0x6b/0x1a0
[ 69.839186][ T197] ? __rwlock_init+0x150/0x150
[ 69.839312][ T197] do_group_exit+0xb8/0x370
[ 69.839441][ T197] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 69.839597][ T197] ? lockdep_hardirqs_on+0x8c/0x130
[ 69.839720][ T197] ? _raw_spin_unlock_irq+0x28/0x50
[ 69.839842][ T197] ? _raw_spin_unlock_irq+0x33/0x50
[ 69.839965][ T197] get_signal+0x172e/0x1820
[ 69.840101][ T197] ? __sys_sendto+0x2bc/0x3e0
[ 69.840228][ T197] ? __ia32_sys_getpeername+0xd0/0xd0
[ 69.840353][ T197] ? ptrace_signal+0x600/0x600
[ 69.840483][ T197] arch_do_signal_or_restart+0xc2/0x3a0
[ 69.840610][ T197] ? get_sigframe_size+0x20/0x20
[ 69.840736][ T197] ? rcu_is_watching+0x15/0xd0
[ 69.840860][ T197] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 69.841015][ T197] exit_to_user_mode_loop+0x86/0x520
[ 69.841138][ T197] ? rcu_is_watching+0x15/0xd0
[ 69.841268][ T197] do_syscall_64+0x4c8/0xfc0
[ 69.841392][ T197] ? irq_exit_rcu+0x1a/0x30
[ 69.841522][ T197] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 69.841675][ T197] RIP: 0033:0x4c2d9e
[ 69.841771][ T197] Code: Unable to access opcode bytes at 0x4c2d74.
[ 69.841931][ T197] RSP: 002b:00007fff4c35a290 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 69.842118][ T197] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 69.842306][ T197] RDX: 0000000000000014 RSI: 00007fff4c35a370 RDI: 0000000000000008
[ 69.842495][ T197] RBP: 00007fff4c35a2a0 R08: 00007fff4c35a330 R09: 000000000000000c
[ 69.842680][ T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000cee91e0
[ 69.842863][ T197] R13: 00007fff4c35ae78 R14: 00007fff4c35a460 R15: 0000000000543540
[ 69.843053][ T197]
[ 69.843145][ T197] irq event stamp: 15179659
[ 69.843272][ T197] hardirqs last enabled at (15179667): [] __up_console_sem+0x5a/0x70
[ 69.843489][ T197] hardirqs last disabled at (15179676): [] __up_console_sem+0x3f/0x70
[ 69.843704][ T197] softirqs last enabled at (15179238): [] handle_softirqs+0x611/0x940
[ 69.843916][ T197] softirqs last disabled at (15179229): [] __irq_exit_rcu+0x103/0x1c0
[ 69.844128][ T197] ---[ end trace 0000000000000000 ]---
[ 69.862646][ T12] ------------[ cut here ]------------
[ 69.862840][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: kworker/u16:0/12
[ 69.863140][ T12] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 69.863370][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 69.863695][ T12] Tainted: [W]=WARN
[ 69.863828][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 69.864034][ T12] Workqueue: netns cleanup_net
[ 69.864228][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 69.864437][ 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 88 e9 f0 ff b9 a6 ff ff
[ 69.864904][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 69.865094][ T12] RAX: 00000000ffffffa6 RBX: ff1100000abf0e40 RCX: 1ff4000000018ed5
[ 69.865334][ T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000abf0efc
[ 69.865571][ T12] RBP: ff110000055e4000 R08: 1fe220000157e1e1 R09: ff11000001afd260
[ 69.865815][ T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 69.866032][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 69.866260][ T12] FS: 0000000000000000(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 69.866520][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 69.866716][ T12] CR2: 00007f8ec55e6708 CR3: 000000002af39003 CR4: 0000000000771ef0
[ 69.866933][ T12] PKRU: 55555554
[ 69.867063][ T12] Call Trace:
[ 69.867201][ T12]
[ 69.867307][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 69.867512][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 69.867705][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 69.867874][ T12] default_device_exit_batch+0x38b/0x600
[ 69.868037][ T12] ? generic_xdp_install+0x400/0x400
[ 69.868204][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 69.868368][ T12] ? unregister_netdev+0x60/0x60
[ 69.868538][ T12] ? rtnl_is_locked+0x15/0x20
[ 69.868700][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 69.868865][ T12] ops_undo_list+0x2ce/0x8f0
[ 69.869034][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 69.869201][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 69.869367][ T12] cleanup_net+0x431/0x890
[ 69.869540][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 69.869700][ T12] ? process_one_work+0xdb7/0x1410
[ 69.869903][ T12] ? lock_acquire+0x134/0x160
[ 69.870074][ T12] ? rcu_is_watching+0x15/0xd0
[ 69.870247][ T12] process_one_work+0xdf8/0x1410
[ 69.870431][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 69.870620][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 69.870787][ T12] worker_thread+0x4f1/0xd60
[ 69.870952][ T12] ? rescuer_thread+0x1320/0x1320
[ 69.871114][ T12] kthread+0x367/0x460
[ 69.871265][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 69.871469][ T12] ? kthread_affine_node+0x330/0x330
[ 69.871634][ T12] ret_from_fork+0x4a4/0x720
[ 69.871805][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 69.871995][ T12] ? __switch_to+0x5a3/0xe00
[ 69.872158][ T12] ? kthread_affine_node+0x330/0x330
[ 69.872329][ T12] ret_from_fork_asm+0x11/0x20
[ 69.872510][ T12]
[ 69.872641][ T12] irq event stamp: 38041
[ 69.872777][ T12] hardirqs last enabled at (38051): [] __up_console_sem+0x5a/0x70
[ 69.873021][ T12] hardirqs last disabled at (38060): [] __up_console_sem+0x3f/0x70
[ 69.873273][ T12] softirqs last enabled at (37442): [] __alloc_skb+0x4c2/0x5f0
[ 69.873533][ T12] softirqs last disabled at (37440): [] __alloc_skb+0x4c2/0x5f0
[ 69.873782][ T12] ---[ end trace 0000000000000000 ]---
[ 69.891201][ T200] ------------[ cut here ]------------
[ 69.891350][ T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: unshare/200
[ 69.891612][ T200] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 69.891816][ T200] CPU: 3 UID: 0 PID: 200 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 69.892074][ T200] Tainted: [W]=WARN
[ 69.892174][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 69.892336][ T200] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 69.892509][ T200] 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 88 e9 f0 ff b9 a6 ff ff
[ 69.892967][ T200] RSP: 0018:ffa0000000527ab0 EFLAGS: 00010286
[ 69.893128][ T200] RAX: 00000000ffffffa6 RBX: ff11000009b198c0 RCX: 1ff40000000a4f1c
[ 69.893324][ T200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009b1997c
[ 69.893523][ T200] RBP: ff110000087e1000 R08: 1fe2200001363331 R09: ff1100000c4ad210
[ 69.893716][ T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 69.893908][ T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087e1000
[ 69.894100][ T200] FS: 00007f290f865740(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 69.894335][ T200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 69.894501][ T200] CR2: 00007f290f930820 CR3: 0000000005d67005 CR4: 0000000000771ef0
[ 69.894697][ T200] PKRU: 55555554
[ 69.894794][ T200] Call Trace:
[ 69.894889][ T200]
[ 69.894956][ T200] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 69.895085][ T200] ? notifier_call_chain+0xb0/0x320
[ 69.895221][ T200] rtmsg_ifinfo+0x5c/0xb0
[ 69.895321][ T200] register_netdevice+0x137a/0x1980
[ 69.895458][ T200] ? unregister_netdevice_queue+0x470/0x470
[ 69.895621][ T200] register_netdev+0x23/0x40
[ 69.895749][ T200] loopback_net_init+0x7d/0x150
[ 69.895879][ T200] ops_init+0x187/0x560
[ 69.895979][ T200] setup_net+0x11b/0x3b0
[ 69.896078][ T200] ? unregister_pernet_device+0x80/0x80
[ 69.896211][ T200] ? lockdep_init_map_type+0x5d/0x250
[ 69.896338][ T200] ? mutex_init_lockdep+0xf6/0x120
[ 69.896474][ T200] copy_net_ns+0x2fd/0x450
[ 69.896603][ T200] create_new_namespaces+0x371/0xa10
[ 69.896734][ T200] unshare_nsproxy_namespaces+0xa5/0x150
[ 69.896864][ T200] ksys_unshare+0x47e/0x8c0
[ 69.896995][ T200] ? walk_process_tree+0x350/0x350
[ 69.897126][ T200] __x64_sys_unshare+0x34/0x50
[ 69.897258][ T200] ? do_syscall_64+0x82/0xfc0
[ 69.897386][ T200] do_syscall_64+0xf3/0xfc0
[ 69.897518][ T200] ? trace_hardirqs_off+0xd/0x30
[ 69.897647][ T200] ? exc_page_fault+0xee/0x100
[ 69.897776][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 69.897939][ T200] RIP: 0033:0x7f290f960bcb
[ 69.898074][ T200] 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
[ 69.898542][ T200] RSP: 002b:00007fff30e7c928 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 69.898734][ T200] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f290f960bcb
[ 69.898927][ T200] RDX: 0000000000000000 RSI: 00007fff30e7c690 RDI: 0000000040000000
[ 69.899117][ T200] RBP: 00007fff30e7ccb0 R08: 00007fff30e7c880 R09: 0000000000000000
[ 69.899313][ T200] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 69.899508][ T200] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055abbf306b68
[ 69.899705][ T200]
[ 69.899801][ T200] irq event stamp: 15547
[ 69.899897][ T200] hardirqs last enabled at (15555): [] __up_console_sem+0x5a/0x70
[ 69.900119][ T200] hardirqs last disabled at (15562): [] __up_console_sem+0x3f/0x70
[ 69.900343][ T200] softirqs last enabled at (15056): [] __alloc_skb+0x4c2/0x5f0
[ 69.900570][ T200] softirqs last disabled at (15054): [] __alloc_skb+0x4c2/0x5f0
[ 69.900793][ T200] ---[ end trace 0000000000000000 ]---
[ 69.910056][ T200] ------------[ cut here ]------------
[ 69.910197][ T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/200
[ 69.910444][ T200] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 69.910630][ T200] CPU: 3 UID: 0 PID: 200 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 69.910901][ T200] Tainted: [W]=WARN
[ 69.910992][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 69.911144][ T200] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 69.911305][ T200] 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 88 e9 f0 ff b9 a6 ff ff
[ 69.911738][ T200] RSP: 0018:ffa0000000527b58 EFLAGS: 00010286
[ 69.911890][ T200] RAX: 00000000ffffffa6 RBX: ff1100000dba9a80 RCX: 1ff40000000a4f31
[ 69.912070][ T200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dba9b3c
[ 69.912254][ T200] RBP: ff1100000ab54000 R08: 1fe2200001b75369 R09: ff1100000c4ad1e8
[ 69.912440][ T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 69.912619][ T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ab54000
[ 69.912803][ T200] FS: 000000003f3af400(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 69.913015][ T200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 69.913165][ T200] CR2: 00007f7561207000 CR3: 000000000db22006 CR4: 0000000000771ef0
[ 69.913358][ T200] PKRU: 55555554
[ 69.913453][ T200] Call Trace:
[ 69.913545][ T200]
[ 69.913608][ T200] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 69.913730][ T200] ? notifier_call_chain+0xb0/0x320
[ 69.913851][ T200] rtmsg_ifinfo+0x5c/0xb0
[ 69.913943][ T200] register_netdevice+0x137a/0x1980
[ 69.914064][ T200] ? unregister_netdevice_queue+0x470/0x470
[ 69.914218][ T200] ? alloc_netdev_mqs+0xec0/0x1480
[ 69.914343][ T200] tun_set_iff.constprop.0+0xc61/0x1850 [tun]
[ 69.915381][ T200] ? tun_attach.isra.0+0x1630/0x1630 [tun]
[ 69.915656][ T200] ? tun_get+0x106/0x240 [tun]
[ 69.915783][ T200] __tun_chr_ioctl+0x4b0/0x2470 [tun]
[ 69.915903][ T200] ? build_open_flags+0x620/0x620
[ 69.916026][ T200] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 69.916146][ T200] ? lockdep_hardirqs_on+0x8c/0x130
[ 69.916274][ T200] ? __x64_sys_openat+0x10e/0x210
[ 69.916393][ T200] ? fput_close_sync+0xde/0x1b0
[ 69.916517][ T200] ? __ia32_sys_open+0x1b0/0x1b0
[ 69.916638][ T200] __x64_sys_ioctl+0x11a/0x190
[ 69.916761][ T200] do_syscall_64+0xf3/0xfc0
[ 69.916881][ T200] ? trace_hardirqs_off+0xd/0x30
[ 69.917003][ T200] ? exc_page_fault+0xee/0x100
[ 69.917125][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 69.917281][ T200] RIP: 0033:0x47cc8d
[ 69.917376][ T200] 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
[ 69.917809][ T200] RSP: 002b:00007ffe5f085c20 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 69.917990][ T200] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 69.918167][ T200] RDX: 00007ffe5f085ca0 RSI: 00000000400454ca RDI: 0000000000000006
[ 69.918351][ T200] RBP: 00007ffe5f085c70 R08: 0000000000000000 R09: 0000000000000000
[ 69.918532][ T200] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe5f086178
[ 69.918714][ T200] R13: 00007ffe5f0861b8 R14: 0000000000000002 R15: 0000000000543540
[ 69.918901][ T200]
[ 69.918990][ T200] irq event stamp: 27283
[ 69.919080][ T200] hardirqs last enabled at (27291): [] __up_console_sem+0x5a/0x70
[ 69.919294][ T200] hardirqs last disabled at (27298): [] __up_console_sem+0x3f/0x70
[ 69.919503][ T200] softirqs last enabled at (27092): [] handle_softirqs+0x611/0x940
[ 69.919713][ T200] softirqs last disabled at (26845): [] __irq_exit_rcu+0x103/0x1c0
[ 69.919918][ T200] ---[ end trace 0000000000000000 ]---
[ 69.923263][ T200] ------------[ cut here ]------------
[ 69.923384][ T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/200
[ 69.923624][ T200] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 69.923801][ T200] CPU: 3 UID: 0 PID: 200 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 69.924063][ T200] Tainted: [W]=WARN
[ 69.924150][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 69.924306][ T200] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 69.924463][ T200] 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 88 e9 f0 ff b9 a6 ff ff
[ 69.924886][ T200] RSP: 0018:ffa0000000527c58 EFLAGS: 00010286
[ 69.925031][ T200] RAX: 00000000ffffffa6 RBX: ff1100000dba98c0 RCX: 1ff40000000a4f51
[ 69.925212][ T200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dba997c
[ 69.925384][ T200] RBP: ff1100000ab54000 R08: 1fe2200001b75331 R09: ff1100000c4ad1e8
[ 69.925559][ T200] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[ 69.925732][ T200] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[ 69.925907][ T200] FS: 000000003f3af400(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 69.926115][ T200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 69.926267][ T200] CR2: 00007f7561207000 CR3: 000000000db22006 CR4: 0000000000771ef0
[ 69.926444][ T200] PKRU: 55555554
[ 69.926530][ T200] Call Trace:
[ 69.926617][ T200]
[ 69.926680][ T200] ? rcu_is_watching+0x15/0xd0
[ 69.926798][ T200] rtnetlink_event+0xe0/0x1f0
[ 69.926919][ T200] notifier_call_chain+0xb0/0x320
[ 69.927036][ T200] netdev_update_features+0xa9/0xb0
[ 69.927153][ T200] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 69.927303][ T200] __tun_chr_ioctl+0xc7f/0x2470 [tun]
[ 69.927426][ T200] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 69.927543][ T200] ? fd_install+0x19b/0x3d0
[ 69.927661][ T200] ? update_socket_protocol+0x10/0x10
[ 69.927777][ T200] ? alloc_file_clone+0xe0/0xe0
[ 69.927895][ T200] __x64_sys_ioctl+0x11a/0x190
[ 69.928012][ T200] do_syscall_64+0xf3/0xfc0
[ 69.928128][ T200] ? trace_hardirqs_off+0xd/0x30
[ 69.928252][ T200] ? exc_page_fault+0xee/0x100
[ 69.928369][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 69.928519][ T200] RIP: 0033:0x47cc8d
[ 69.928610][ T200] 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
[ 69.929026][ T200] RSP: 002b:00007ffe5f085c60 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 69.929204][ T200] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 69.929378][ T200] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000006
[ 69.929554][ T200] RBP: 00007ffe5f085cb0 R08: 0000000000000005 R09: 0000000000001ff0
[ 69.929727][ T200] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffe5f086178
[ 69.929900][ T200] R13: 00007ffe5f0861b8 R14: 0000000000000002 R15: 0000000000543540
[ 69.930079][ T200]
[ 69.930165][ T200] irq event stamp: 30637
[ 69.930257][ T200] hardirqs last enabled at (30645): [] __up_console_sem+0x5a/0x70
[ 69.930463][ T200] hardirqs last disabled at (30654): [] __up_console_sem+0x3f/0x70
[ 69.930664][ T200] softirqs last enabled at (30214): [] __alloc_skb+0x4c2/0x5f0
[ 69.930866][ T200] softirqs last disabled at (30212): [] __alloc_skb+0x4c2/0x5f0
[ 69.931063][ T200] ---[ end trace 0000000000000000 ]---
[ 69.931482][ T200] ------------[ cut here ]------------
[ 69.931604][ T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/200
[ 69.931846][ T200] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 69.932030][ T200] CPU: 3 UID: 0 PID: 200 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 69.932308][ T200] Tainted: [W]=WARN
[ 69.932399][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 69.932557][ T200] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 69.932719][ T200] 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 88 e9 f0 ff b9 a6 ff ff
[ 69.933152][ T200] RSP: 0018:ffa0000000527850 EFLAGS: 00010286
[ 69.933307][ T200] RAX: 00000000ffffffa6 RBX: ff1100000dba9c40 RCX: 1ff40000000a4ed0
[ 69.933495][ T200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dba9cfc
[ 69.933676][ T200] RBP: ff1100000ab54000 R08: 1fe2200001b753a1 R09: ff1100000c4ad1e8
[ 69.933857][ T200] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[ 69.934038][ T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005880900
[ 69.934226][ T200] FS: 000000003f3af400(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 69.934445][ T200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 69.934600][ T200] CR2: 00007f7561207000 CR3: 000000000db22006 CR4: 0000000000771ef0
[ 69.934781][ T200] PKRU: 55555554
[ 69.934872][ T200] Call Trace:
[ 69.934963][ T200]
[ 69.935026][ T200] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 69.935151][ T200] rtmsg_ifinfo+0x5c/0xb0
[ 69.935248][ T200] ? mark_held_locks+0x40/0x70
[ 69.935369][ T200] __dev_notify_flags+0x1b8/0x280
[ 69.935496][ T200] ? netif_change_name+0x8c0/0x8c0
[ 69.935617][ T200] ? __dev_change_flags+0x4a4/0x660
[ 69.935740][ T200] ? netif_set_allmulti+0x250/0x250
[ 69.935862][ T200] ? lock_acquire.part.0+0xbc/0x260
[ 69.935987][ T200] netif_change_flags+0xfe/0x190
[ 69.936107][ T200] ? cap_capable+0x1d6/0x3e0
[ 69.936238][ T200] dev_change_flags+0xa5/0x170
[ 69.936361][ T200] devinet_ioctl+0x10f0/0x1840
[ 69.936490][ T200] ? inet_ifa_byprefix+0x220/0x220
[ 69.936613][ T200] ? _copy_from_user+0x42/0x90
[ 69.936738][ T200] inet_ioctl+0x34b/0x3a0
[ 69.936832][ T200] ? inet_dgram_connect+0x3e0/0x3e0
[ 69.936954][ T200] ? __lock_acquire+0x508/0xc10
[ 69.937080][ T200] ? __might_fault+0x97/0x140
[ 69.937208][ T200] ? __might_fault+0x97/0x140
[ 69.937331][ T200] sock_do_ioctl+0x10e/0x270
[ 69.937458][ T200] ? __sock_recv_cmsgs+0x530/0x530
[ 69.937583][ T200] ? ioctl_file_clone+0xd0/0xd0
[ 69.937708][ T200] sock_ioctl+0x3cb/0x5f0
[ 69.937803][ T200] ? br_ioctl_call+0x80/0x80
[ 69.937926][ T200] ? fd_install+0x19b/0x3d0
[ 69.938052][ T200] ? update_socket_protocol+0x10/0x10
[ 69.938178][ T200] ? alloc_file_clone+0xe0/0xe0
[ 69.938302][ T200] __x64_sys_ioctl+0x11a/0x190
[ 69.938431][ T200] do_syscall_64+0xf3/0xfc0
[ 69.938554][ T200] ? trace_hardirqs_off+0xd/0x30
[ 69.938676][ T200] ? exc_page_fault+0xee/0x100
[ 69.938802][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 69.938953][ T200] RIP: 0033:0x47cc8d
[ 69.939048][ T200] 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
[ 69.939492][ T200] RSP: 002b:00007ffe5f085c40 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 69.939676][ T200] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 69.939856][ T200] RDX: 00007ffe5f085cb0 RSI: 0000000000008914 RDI: 0000000000000007
[ 69.940037][ T200] RBP: 00007ffe5f085c90 R08: 0000000000000005 R09: 0000000000001ff0
[ 69.940222][ T200] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffe5f086178
[ 69.940408][ T200] R13: 00007ffe5f0861b8 R14: 0000000000000002 R15: 0000000000543540
[ 69.940601][ T200]
[ 69.940692][ T200] irq event stamp: 31435
[ 69.940784][ T200] hardirqs last enabled at (31443): [] __up_console_sem+0x5a/0x70
[ 69.940993][ T200] hardirqs last disabled at (31450): [] __up_console_sem+0x3f/0x70
[ 69.941209][ T200] softirqs last enabled at (30872): [] __alloc_skb+0x4c2/0x5f0
[ 69.941425][ T200] softirqs last disabled at (30870): [] __alloc_skb+0x4c2/0x5f0
[ 69.941636][ T200] ---[ end trace 0000000000000000 ]---
[ 79.874224][ T200] ------------[ cut here ]------------
[ 79.874536][ T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/200
[ 79.874811][ T200] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 79.875024][ T200] CPU: 3 UID: 0 PID: 200 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 79.876112][ T200] Tainted: [W]=WARN
[ 79.876220][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 79.876388][ T200] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 79.876648][ T200] 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 88 e9 f0 ff b9 a6 ff ff
[ 79.877124][ T200] RSP: 0018:ffa00000005276e8 EFLAGS: 00010286
[ 79.877297][ T200] RAX: 00000000ffffffa6 RBX: ff1100000c6dd540 RCX: 1ff40000000a4ea3
[ 79.877564][ T200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6dd5fc
[ 79.877771][ T200] RBP: ff1100000ab54000 R08: 1fe22000018dbac1 R09: ff1100000c4ad1e8
[ 79.877971][ T200] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[ 79.878171][ T200] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000527780
[ 79.878377][ T200] FS: 0000000000000000(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 79.878702][ T200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 79.878870][ T200] CR2: 00007f7561207000 CR3: 000000002af39001 CR4: 0000000000771ef0
[ 79.879072][ T200] PKRU: 55555554
[ 79.879172][ T200] Call Trace:
[ 79.879278][ T200]
[ 79.879348][ T200] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 79.879565][ T200] rtmsg_ifinfo+0x5c/0xb0
[ 79.879668][ T200] netif_close_many+0x2ac/0x640
[ 79.879805][ T200] ? find_held_lock+0x2b/0x80
[ 79.879940][ T200] ? __dev_close_many+0x530/0x530
[ 79.880072][ T200] ? netif_close_many_and_unlock+0x22/0x2c0
[ 79.880244][ T200] unregister_netdevice_many_notify+0x671/0x19a0
[ 79.880476][ T200] ? select_fallback_rq+0x510/0x510
[ 79.880612][ T200] ? unregister_netdevice_queued+0x80/0x80
[ 79.880778][ T200] ? find_held_lock+0x2b/0x80
[ 79.880912][ T200] ? find_held_lock+0x2b/0x80
[ 79.881046][ T200] ? __lock_release.isra.0+0x6b/0x1a0
[ 79.881278][ T200] ? __queue_work+0x315/0xc00
[ 79.881503][ T200] unregister_netdevice_queue+0x290/0x470
[ 79.881638][ T200] ? unregister_netdevice_many+0x20/0x20
[ 79.881771][ T200] ? lockdep_hardirqs_on+0x8c/0x130
[ 79.881906][ T200] ? queue_delayed_work_on+0x95/0x100
[ 79.882042][ T200] __tun_detach+0xf36/0x1320 [tun]
[ 79.882274][ T200] tun_chr_close+0xac/0x1b0 [tun]
[ 79.882489][ T200] __fput+0x363/0xac0
[ 79.882600][ T200] task_work_run+0x12b/0x240
[ 79.882733][ T200] ? lockdep_hardirqs_on+0x8c/0x130
[ 79.882867][ T200] ? task_work_cancel+0x30/0x30
[ 79.883001][ T200] ? kmem_cache_free+0xf8/0x560
[ 79.883229][ T200] do_exit+0x678/0xef0
[ 79.883331][ T200] ? exit_notify+0x890/0x890
[ 79.883531][ T200] ? find_held_lock+0x2b/0x80
[ 79.883667][ T200] ? __lock_release.isra.0+0x6b/0x1a0
[ 79.883799][ T200] ? __rwlock_init+0x150/0x150
[ 79.883932][ T200] do_group_exit+0xb8/0x370
[ 79.884064][ T200] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 79.884324][ T200] ? lockdep_hardirqs_on+0x8c/0x130
[ 79.884548][ T200] ? _raw_spin_unlock_irq+0x28/0x50
[ 79.884683][ T200] ? _raw_spin_unlock_irq+0x33/0x50
[ 79.884814][ T200] get_signal+0x172e/0x1820
[ 79.884950][ T200] ? __raw_spin_lock_init+0x44/0x120
[ 79.885174][ T200] ? mark_usage+0x61/0x170
[ 79.885310][ T200] ? __lock_acquire+0x508/0xc10
[ 79.885524][ T200] ? ptrace_signal+0x600/0x600
[ 79.885659][ T200] ? lock_acquire.part.0+0xbc/0x260
[ 79.885792][ T200] ? find_held_lock+0x2b/0x80
[ 79.885924][ T200] arch_do_signal_or_restart+0xc2/0x3a0
[ 79.886147][ T200] ? fd_install+0x18c/0x3d0
[ 79.886285][ T200] ? get_sigframe_size+0x20/0x20
[ 79.886488][ T200] ? update_socket_protocol+0x10/0x10
[ 79.886622][ T200] ? alloc_file_clone+0xe0/0xe0
[ 79.886756][ T200] ? rcu_is_watching+0x15/0xd0
[ 79.886888][ T200] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 79.887143][ T200] exit_to_user_mode_loop+0x86/0x520
[ 79.887281][ T200] ? rcu_is_watching+0x15/0xd0
[ 79.887502][ T200] do_syscall_64+0x4c8/0xfc0
[ 79.887636][ T200] ? irq_exit_rcu+0x1a/0x30
[ 79.887772][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 79.887937][ T200] RIP: 0033:0x47ea2b
[ 79.888138][ T200] Code: Unable to access opcode bytes at 0x47ea01.
[ 79.888313][ T200] RSP: 002b:00007ffe5f0856c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 79.888596][ T200] RAX: 0000000000000008 RBX: 00007ffe5f0857a0 RCX: 000000000047ea2b
[ 79.888796][ T200] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010
[ 79.889085][ T200] RBP: 00007ffe5f085700 R08: 0000000000000041 R09: 000000003f3b0450
[ 79.889285][ T200] R10: 0000000000000040 R11: 0000000000000202 R12: 00007ffe5f086178
[ 79.889554][ T200] R13: 00007ffe5f0861b8 R14: 00007ffe5f085c78 R15: 0000000000543540
[ 79.889758][ T200]
[ 79.889858][ T200] irq event stamp: 15294721
[ 79.890082][ T200] hardirqs last enabled at (15294729): [] __up_console_sem+0x5a/0x70
[ 79.890315][ T200] hardirqs last disabled at (15294736): [] __up_console_sem+0x3f/0x70
[ 79.890728][ T200] softirqs last enabled at (15294888): [] handle_softirqs+0x611/0x940
[ 79.890961][ T200] softirqs last disabled at (15294745): [] __irq_exit_rcu+0x103/0x1c0
[ 79.891191][ T200] ---[ end trace 0000000000000000 ]---
[ 79.903587][ T200] ------------[ cut here ]------------
[ 79.903735][ T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: packetdrill/200
[ 79.903996][ T200] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 79.904201][ T200] CPU: 3 UID: 0 PID: 200 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 79.905014][ T200] Tainted: [W]=WARN
[ 79.905115][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 79.905283][ T200] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 79.905511][ T200] 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 88 e9 f0 ff b9 a6 ff ff
[ 79.905975][ T200] RSP: 0018:ffa0000000527818 EFLAGS: 00010286
[ 79.906141][ T200] RAX: 00000000ffffffa6 RBX: ff1100000d907e00 RCX: 1ff40000000a4ec9
[ 79.906335][ T200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d907ebc
[ 79.906584][ T200] RBP: ff1100000ab54000 R08: 1fe2200001b20fd9 R09: ff1100000c4ad1e8
[ 79.906776][ T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[ 79.906966][ T200] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 79.907157][ T200] FS: 0000000000000000(0000) GS:ff110000a792c000(0000) knlGS:0000000000000000
[ 79.907389][ T200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 79.907606][ T200] CR2: 00007f7561207000 CR3: 000000002af39001 CR4: 0000000000771ef0
[ 79.907804][ T200] PKRU: 55555554
[ 79.907902][ T200] Call Trace:
[ 79.908002][ T200]
[ 79.908069][ T200] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 79.908241][ T200] ? unregister_netdevice_queued+0x80/0x80
[ 79.908455][ T200] ? find_held_lock+0x2b/0x80
[ 79.908586][ T200] ? find_held_lock+0x2b/0x80
[ 79.908715][ T200] ? __lock_release.isra.0+0x6b/0x1a0
[ 79.908844][ T200] ? __queue_work+0x315/0xc00
[ 79.908975][ T200] unregister_netdevice_queue+0x290/0x470
[ 79.909104][ T200] ? unregister_netdevice_many+0x20/0x20
[ 79.909239][ T200] ? lockdep_hardirqs_on+0x8c/0x130
[ 79.909368][ T200] ? queue_delayed_work_on+0x95/0x100
[ 79.909550][ T200] __tun_detach+0xf36/0x1320 [tun]
[ 79.909685][ T200] tun_chr_close+0xac/0x1b0 [tun]
[ 79.909815][ T200] __fput+0x363/0xac0
[ 79.909916][ T200] task_work_run+0x12b/0x240
[ 79.910046][ T200] ? lockdep_hardirqs_on+0x8c/0x130
[ 79.910175][ T200] ? task_work_cancel+0x30/0x30
[ 79.910310][ T200] ? kmem_cache_free+0xf8/0x560
[ 79.910496][ T200] do_exit+0x678/0xef0
[ 79.910597][ T200] ? exit_notify+0x890/0x890
[ 79.910726][ T200] ? find_held_lock+0x2b/0x80
[ 79.910857][ T200] ? __lock_release.isra.0+0x6b/0x1a0
[ 79.910984][ T200] ? __rwlock_init+0x150/0x150
[ 79.911116][ T200] do_group_exit+0xb8/0x370
[ 79.911250][ T200] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 79.911463][ T200] ? lockdep_hardirqs_on+0x8c/0x130
[ 79.911594][ T200] ? _raw_spin_unlock_irq+0x28/0x50
[ 79.911724][ T200] ? _raw_spin_unlock_irq+0x33/0x50
[ 79.911854][ T200] get_signal+0x172e/0x1820
[ 79.911984][ T200] ? __raw_spin_lock_init+0x44/0x120
[ 79.912115][ T200] ? mark_usage+0x61/0x170
[ 79.912249][ T200] ? __lock_acquire+0x508/0xc10
[ 79.912377][ T200] ? ptrace_signal+0x600/0x600
[ 79.912558][ T200] ? lock_acquire.part.0+0xbc/0x260
[ 79.912687][ T200] ? find_held_lock+0x2b/0x80
[ 79.912816][ T200] arch_do_signal_or_restart+0xc2/0x3a0
[ 79.912949][ T200] ? fd_install+0x18c/0x3d0
[ 79.913079][ T200] ? get_sigframe_size+0x20/0x20
[ 79.913213][ T200] ? update_socket_protocol+0x10/0x10
[ 79.913342][ T200] ? alloc_file_clone+0xe0/0xe0
[ 79.913522][ T200] ? rcu_is_watching+0x15/0xd0
[ 79.913653][ T200] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 79.913813][ T200] exit_to_user_mode_loop+0x86/0x520
[ 79.913943][ T200] ? rcu_is_watching+0x15/0xd0
[ 79.914071][ T200] do_syscall_64+0x4c8/0xfc0
[ 79.914201][ T200] ? irq_exit_rcu+0x1a/0x30
[ 79.914335][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 79.914548][ T200] RIP: 0033:0x47ea2b
[ 79.914651][ T200] Code: Unable to access opcode bytes at 0x47ea01.
[ 79.914816][ T200] RSP: 002b:00007ffe5f0856c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 79.915012][ T200] RAX: 0000000000000008 RBX: 00007ffe5f0857a0 RCX: 000000000047ea2b
[ 79.915207][ T200] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010
[ 79.915399][ T200] RBP: 00007ffe5f085700 R08: 0000000000000041 R09: 000000003f3b0450
[ 79.915645][ T200] R10: 0000000000000040 R11: 0000000000000202 R12: 00007ffe5f086178
[ 79.915839][ T200] R13: 00007ffe5f0861b8 R14: 00007ffe5f085c78 R15: 0000000000543540
[ 79.916035][ T200]
[ 79.916131][ T200] irq event stamp: 15305089
[ 79.916262][ T200] hardirqs last enabled at (15305097): [] __up_console_sem+0x5a/0x70
[ 79.916536][ T200] hardirqs last disabled at (15305198): [] __up_console_sem+0x3f/0x70
[ 79.916758][ T200] softirqs last enabled at (15305196): [] handle_softirqs+0x611/0x940
[ 79.916978][ T200] softirqs last disabled at (15305105): [] __irq_exit_rcu+0x103/0x1c0
[ 79.917199][ T200] ---[ end trace 0000000000000000 ]---
[ 79.930480][ T12] ------------[ cut here ]------------
[ 79.930652][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: kworker/u16:0/12
[ 79.930937][ T12] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 79.931165][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 79.931504][ T12] Tainted: [W]=WARN
[ 79.931641][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 79.931837][ T12] Workqueue: netns cleanup_net
[ 79.932010][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 79.932228][ 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 88 e9 f0 ff b9 a6 ff ff
[ 79.932729][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 79.932931][ T12] RAX: 00000000ffffffa6 RBX: ff11000005660c80 RCX: 1ff4000000018ed5
[ 79.933155][ T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005660d3c
[ 79.933415][ T12] RBP: ff110000087e1000 R08: 1fe2200000acc1a9 R09: ff11000001afd260
[ 79.933659][ T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 79.933889][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 79.934132][ T12] FS: 0000000000000000(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 79.934428][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 79.934636][ T12] CR2: 00007f8ec55e6708 CR3: 000000002af39003 CR4: 0000000000771ef0
[ 79.934882][ T12] PKRU: 55555554
[ 79.935018][ T12] Call Trace:
[ 79.935159][ T12]
[ 79.935284][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 79.935499][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 79.935700][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 79.935888][ T12] default_device_exit_batch+0x38b/0x600
[ 79.936068][ T12] ? generic_xdp_install+0x400/0x400
[ 79.936246][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 79.936438][ T12] ? unregister_netdev+0x60/0x60
[ 79.936605][ T12] ? rtnl_is_locked+0x15/0x20
[ 79.936771][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 79.936942][ T12] ops_undo_list+0x2ce/0x8f0
[ 79.937111][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 79.937280][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 79.937472][ T12] cleanup_net+0x431/0x890
[ 79.937642][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 79.937807][ T12] ? process_one_work+0xdb7/0x1410
[ 79.937974][ T12] ? lock_acquire+0x134/0x160
[ 79.938140][ T12] ? rcu_is_watching+0x15/0xd0
[ 79.938313][ T12] process_one_work+0xdf8/0x1410
[ 79.938501][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 79.938670][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 79.938840][ T12] worker_thread+0x4f1/0xd60
[ 79.939012][ T12] ? rescuer_thread+0x1320/0x1320
[ 79.939180][ T12] kthread+0x367/0x460
[ 79.939327][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 79.939536][ T12] ? kthread_affine_node+0x330/0x330
[ 79.939702][ T12] ret_from_fork+0x4a4/0x720
[ 79.939873][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 79.940068][ T12] ? __switch_to+0x5a3/0xe00
[ 79.940243][ T12] ? kthread_affine_node+0x330/0x330
[ 79.940424][ T12] ret_from_fork_asm+0x11/0x20
[ 79.940597][ T12]
[ 79.940731][ T12] irq event stamp: 44375
[ 79.940866][ T12] hardirqs last enabled at (44385): [] __up_console_sem+0x5a/0x70
[ 79.941120][ T12] hardirqs last disabled at (44394): [] __up_console_sem+0x3f/0x70
[ 79.941381][ T12] softirqs last enabled at (44176): [] handle_softirqs+0x611/0x940
[ 79.941674][ T12] softirqs last disabled at (44163): [] __irq_exit_rcu+0x103/0x1c0
[ 79.941924][ T12] ---[ end trace 0000000000000000 ]---
[ 79.967616][ T202] ------------[ cut here ]------------
[ 79.967773][ T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: unshare/202
[ 79.968032][ T202] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 79.968241][ T202] CPU: 0 UID: 0 PID: 202 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 79.968512][ T202] Tainted: [W]=WARN
[ 79.968612][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 79.968775][ T202] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 79.968946][ T202] 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 88 e9 f0 ff b9 a6 ff ff
[ 79.969426][ T202] RSP: 0018:ffa00000006e7ab0 EFLAGS: 00010286
[ 79.969593][ T202] RAX: 00000000ffffffa6 RBX: ff1100000a9c1e00 RCX: 1ff40000000dcf1c
[ 79.969789][ T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9c1ebc
[ 79.969984][ T202] RBP: ff11000007f89000 R08: 1fe22000015383d9 R09: ff11000008d30b90
[ 79.970179][ T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 79.970378][ T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007f89000
[ 79.970578][ T202] FS: 00007f491b0a8740(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 79.970810][ T202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 79.970973][ T202] CR2: 0000559e7520b008 CR3: 000000000f48c001 CR4: 0000000000771ef0
[ 79.971170][ T202] PKRU: 55555554
[ 79.971271][ T202] Call Trace:
[ 79.971369][ T202]
[ 79.971442][ T202] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 79.971573][ T202] ? notifier_call_chain+0xb0/0x320
[ 79.971707][ T202] rtmsg_ifinfo+0x5c/0xb0
[ 79.971809][ T202] register_netdevice+0x137a/0x1980
[ 79.971943][ T202] ? unregister_netdevice_queue+0x470/0x470
[ 79.972108][ T202] register_netdev+0x23/0x40
[ 79.972243][ T202] loopback_net_init+0x7d/0x150
[ 79.972376][ T202] ops_init+0x187/0x560
[ 79.972481][ T202] setup_net+0x11b/0x3b0
[ 79.972579][ T202] ? unregister_pernet_device+0x80/0x80
[ 79.972711][ T202] ? lockdep_init_map_type+0x5d/0x250
[ 79.972842][ T202] ? mutex_init_lockdep+0xf6/0x120
[ 79.972975][ T202] copy_net_ns+0x2fd/0x450
[ 79.973106][ T202] create_new_namespaces+0x371/0xa10
[ 79.973244][ T202] unshare_nsproxy_namespaces+0xa5/0x150
[ 79.973377][ T202] ksys_unshare+0x47e/0x8c0
[ 79.973515][ T202] ? walk_process_tree+0x350/0x350
[ 79.973651][ T202] __x64_sys_unshare+0x34/0x50
[ 79.973781][ T202] ? do_syscall_64+0x82/0xfc0
[ 79.973914][ T202] do_syscall_64+0xf3/0xfc0
[ 79.974045][ T202] ? trace_hardirqs_off+0xd/0x30
[ 79.974175][ T202] ? exc_page_fault+0xee/0x100
[ 79.974311][ T202] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 79.974555][ T202] RIP: 0033:0x7f491b1a3bcb
[ 79.974698][ T202] 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
[ 79.975165][ T202] RSP: 002b:00007fff090670a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 79.975363][ T202] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f491b1a3bcb
[ 79.975635][ T202] RDX: 0000000000000000 RSI: 00007fff09066e10 RDI: 0000000040000000
[ 79.975831][ T202] RBP: 00007fff09067430 R08: 00007fff09067000 R09: 0000000000000000
[ 79.976023][ T202] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 79.976219][ T202] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000559e357c0b68
[ 79.976475][ T202]
[ 79.976574][ T202] irq event stamp: 17727
[ 79.976726][ T202] hardirqs last enabled at (17829): [] __up_console_sem+0x5a/0x70
[ 79.976951][ T202] hardirqs last disabled at (17836): [] __up_console_sem+0x3f/0x70
[ 79.977177][ T202] softirqs last enabled at (17826): [] handle_softirqs+0x611/0x940
[ 79.977459][ T202] softirqs last disabled at (17853): [] __irq_exit_rcu+0x103/0x1c0
[ 79.977687][ T202] ---[ end trace 0000000000000000 ]---
[ 79.986285][ T202] ------------[ cut here ]------------
[ 79.986432][ T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/202
[ 79.986678][ T202] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 79.986870][ T202] CPU: 0 UID: 0 PID: 202 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 79.987150][ T202] Tainted: [W]=WARN
[ 79.987246][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 79.987410][ T202] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 79.987573][ T202] 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 88 e9 f0 ff b9 a6 ff ff
[ 79.988011][ T202] RSP: 0018:ffa00000006e7b58 EFLAGS: 00010286
[ 79.988166][ T202] RAX: 00000000ffffffa6 RBX: ff11000008d09700 RCX: 1ff40000000dcf31
[ 79.988355][ T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d097bc
[ 79.988549][ T202] RBP: ff1100000db88000 R08: 1fe22000011a12f9 R09: ff11000008d30b68
[ 79.988734][ T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 79.988915][ T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000db88000
[ 79.989100][ T202] FS: 0000000021434400(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 79.989323][ T202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 79.989494][ T202] CR2: 00007f80faec6000 CR3: 000000000b36d002 CR4: 0000000000771ef0
[ 79.989679][ T202] PKRU: 55555554
[ 79.989773][ T202] Call Trace:
[ 79.989865][ T202]
[ 79.989931][ T202] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 79.990055][ T202] ? notifier_call_chain+0xb0/0x320
[ 79.990179][ T202] rtmsg_ifinfo+0x5c/0xb0
[ 79.990277][ T202] register_netdevice+0x137a/0x1980
[ 79.990411][ T202] ? unregister_netdevice_queue+0x470/0x470
[ 79.990569][ T202] ? alloc_netdev_mqs+0xec0/0x1480
[ 79.990696][ T202] tun_set_iff.constprop.0+0xc61/0x1850 [tun]
[ 79.990857][ T202] ? tun_attach.isra.0+0x1630/0x1630 [tun]
[ 79.991012][ T202] ? tun_get+0x106/0x240 [tun]
[ 79.991137][ T202] __tun_chr_ioctl+0x4b0/0x2470 [tun]
[ 79.991267][ T202] ? build_open_flags+0x620/0x620
[ 79.991392][ T202] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 79.991523][ T202] ? lockdep_hardirqs_on+0x8c/0x130
[ 79.991650][ T202] ? __x64_sys_openat+0x10e/0x210
[ 79.991775][ T202] ? fput_close_sync+0xde/0x1b0
[ 79.991926][ T202] ? __ia32_sys_open+0x1b0/0x1b0
[ 79.992053][ T202] __x64_sys_ioctl+0x11a/0x190
[ 79.992179][ T202] do_syscall_64+0xf3/0xfc0
[ 79.992306][ T202] ? trace_hardirqs_off+0xd/0x30
[ 79.992437][ T202] ? exc_page_fault+0xee/0x100
[ 79.992561][ T202] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 79.992718][ T202] RIP: 0033:0x47cc8d
[ 79.992817][ T202] 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
[ 79.993259][ T202] RSP: 002b:00007ffd1865b330 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 79.993450][ T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 79.993638][ T202] RDX: 00007ffd1865b3b0 RSI: 00000000400454ca RDI: 0000000000000006
[ 79.993823][ T202] RBP: 00007ffd1865b380 R08: 0000000000000000 R09: 0000000000000000
[ 79.994005][ T202] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd1865b888
[ 79.994194][ T202] R13: 00007ffd1865b8c8 R14: 0000000000000002 R15: 0000000000543540
[ 79.994408][ T202]
[ 79.994505][ T202] irq event stamp: 26955
[ 79.994598][ T202] hardirqs last enabled at (26963): [] __up_console_sem+0x5a/0x70
[ 79.994810][ T202] hardirqs last disabled at (26970): [] __up_console_sem+0x3f/0x70
[ 79.995021][ T202] softirqs last enabled at (26480): [] __alloc_skb+0x4c2/0x5f0
[ 79.995240][ T202] softirqs last disabled at (26478): [] __alloc_skb+0x4c2/0x5f0
[ 79.995461][ T202] ---[ end trace 0000000000000000 ]---
[ 80.018535][ T203] ------------[ cut here ]------------
[ 80.018682][ T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ifconfig/203
[ 80.018930][ T203] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 80.019122][ T203] CPU: 1 UID: 0 PID: 203 Comm: ifconfig Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 80.019417][ T203] Tainted: [W]=WARN
[ 80.019513][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 80.019667][ T203] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 80.019831][ T203] 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 88 e9 f0 ff b9 a6 ff ff
[ 80.020277][ T203] RSP: 0018:ffa0000000607850 EFLAGS: 00010286
[ 80.020440][ T203] RAX: 00000000ffffffa6 RBX: ff11000008d091c0 RCX: 1ff40000000c0ed0
[ 80.020628][ T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d0927c
[ 80.020812][ T203] RBP: ff1100000db88000 R08: 1fe22000011a1251 R09: ff11000004dbd1e8
[ 80.021000][ T203] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[ 80.021186][ T203] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[ 80.021377][ T203] FS: 00007fe543767740(0000) GS:ff110000a782c000(0000) knlGS:0000000000000000
[ 80.021600][ T203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 80.021760][ T203] CR2: 000055a6ffcff5fa CR3: 000000000a361003 CR4: 0000000000771ef0
[ 80.021949][ T203] PKRU: 55555554
[ 80.022043][ T203] Call Trace:
[ 80.022137][ T203]
[ 80.022201][ T203] ? rcu_is_watching+0x15/0xd0
[ 80.022332][ T203] rtnetlink_event+0xe0/0x1f0
[ 80.022465][ T203] notifier_call_chain+0xb0/0x320
[ 80.022596][ T203] netif_set_mtu_ext+0x354/0x5f0
[ 80.022725][ T203] ? dev_validate_mtu+0x180/0x180
[ 80.022852][ T203] ? rcu_read_lock_any_held+0x3c/0x90
[ 80.022977][ T203] ? validate_chain+0x38b/0xc20
[ 80.023103][ T203] netif_set_mtu+0x85/0xe0
[ 80.023231][ T203] ? netif_set_mtu_ext+0x5f0/0x5f0
[ 80.023360][ T203] ? lock_acquire+0x134/0x160
[ 80.023492][ T203] ? rcu_is_watching+0x15/0xd0
[ 80.023616][ T203] ? rcu_is_watching+0x15/0xd0
[ 80.023743][ T203] ? trace_contention_end+0xb3/0x1a0
[ 80.023871][ T203] dev_set_mtu+0x9d/0x150
[ 80.023966][ T203] dev_ifsioc+0x3dc/0x17d0
[ 80.024091][ T203] ? mark_usage+0x61/0x170
[ 80.024221][ T203] ? dev_set_hwtstamp+0x4c0/0x4c0
[ 80.024345][ T203] ? ww_mutex_lock+0x160/0x160
[ 80.024477][ T203] ? lock_acquire.part.0+0xbc/0x260
[ 80.024602][ T203] ? find_held_lock+0x2b/0x80
[ 80.024728][ T203] ? __lock_release.isra.0+0x6b/0x1a0
[ 80.024854][ T203] ? dev_load+0x6c/0x180
[ 80.024951][ T203] dev_ioctl+0x2eb/0xe50
[ 80.025047][ T203] sock_do_ioctl+0x1a4/0x270
[ 80.025172][ T203] ? rcu_read_unlock+0x20/0x70
[ 80.025303][ T203] ? __sock_recv_cmsgs+0x530/0x530
[ 80.026032][ T203] ? __handle_mm_fault+0x6a8/0x840
[ 80.026161][ T203] ? ioctl_file_clone+0xd0/0xd0
[ 80.026290][ T203] ? lock_vma_under_rcu+0x159/0x410
[ 80.027391][ T203] sock_ioctl+0x3cb/0x5f0
[ 80.027664][ T203] ? br_ioctl_call+0x80/0x80
[ 80.027790][ T203] ? find_held_lock+0x2b/0x80
[ 80.027916][ T203] ? __lock_release.isra.0+0x6b/0x1a0
[ 80.028040][ T203] ? exc_page_fault+0x87/0x100
[ 80.028168][ T203] __x64_sys_ioctl+0x11a/0x190
[ 80.028298][ T203] do_syscall_64+0xf3/0xfc0
[ 80.028428][ T203] ? trace_hardirqs_off+0xd/0x30
[ 80.028552][ T203] ? exc_page_fault+0xee/0x100
[ 80.028677][ T203] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 80.028832][ T203] RIP: 0033:0x7fe54385d5fd
[ 80.028962][ T203] 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
[ 80.029415][ T203] RSP: 002b:00007ffe6bad3b30 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 80.029605][ T203] RAX: ffffffffffffffda RBX: 00007ffe6bad581d RCX: 00007fe54385d5fd
[ 80.029792][ T203] RDX: 00007ffe6bad3be0 RSI: 0000000000008922 RDI: 0000000000000008
[ 80.029978][ T203] RBP: 00007ffe6bad3b80 R08: 0000000000000000 R09: 00007ffe6bad5821
[ 80.030164][ T203] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe6bad3f18
[ 80.030355][ T203] R13: 0000000000000004 R14: 00007fe5439ab000 R15: 000055a6ffcfd918
[ 80.030554][ T203]
[ 80.030647][ T203] irq event stamp: 19555
[ 80.030740][ T203] hardirqs last enabled at (19563): [] __up_console_sem+0x5a/0x70
[ 80.030958][ T203] hardirqs last disabled at (19570): [] __up_console_sem+0x3f/0x70
[ 80.031174][ T203] softirqs last enabled at (19396): [] handle_softirqs+0x611/0x940
[ 80.031396][ T203] softirqs last disabled at (19077): [] __irq_exit_rcu+0x103/0x1c0
[ 80.031619][ T203] ---[ end trace 0000000000000000 ]---
[ 80.033381][ T202] ------------[ cut here ]------------
[ 80.033523][ T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/202
[ 80.033763][ T202] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 80.033949][ T202] CPU: 0 UID: 0 PID: 202 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 80.034227][ T202] Tainted: [W]=WARN
[ 80.034318][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 80.034486][ T202] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 80.034642][ T202] 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 88 e9 f0 ff b9 a6 ff ff
[ 80.035070][ T202] RSP: 0018:ffa00000006e7c58 EFLAGS: 00010286
[ 80.035235][ T202] RAX: 00000000ffffffa6 RBX: ff11000008d098c0 RCX: 1ff40000000dcf51
[ 80.035417][ T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d0997c
[ 80.035596][ T202] RBP: ff1100000db88000 R08: 1fe22000011a1331 R09: ff11000008d30b68
[ 80.035776][ T202] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[ 80.035954][ T202] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[ 80.036133][ T202] FS: 0000000021434400(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 80.036350][ T202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 80.036504][ T202] CR2: 00007f80faec6000 CR3: 000000000b36d002 CR4: 0000000000771ef0
[ 80.036683][ T202] PKRU: 55555554
[ 80.036773][ T202] Call Trace:
[ 80.036862][ T202]
[ 80.036924][ T202] ? rcu_is_watching+0x15/0xd0
[ 80.037047][ T202] rtnetlink_event+0xe0/0x1f0
[ 80.037168][ T202] notifier_call_chain+0xb0/0x320
[ 80.037297][ T202] netdev_update_features+0xa9/0xb0
[ 80.037426][ T202] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 80.037578][ T202] __tun_chr_ioctl+0xc7f/0x2470 [tun]
[ 80.037705][ T202] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 80.037835][ T202] ? fd_install+0x19b/0x3d0
[ 80.037964][ T202] ? update_socket_protocol+0x10/0x10
[ 80.038084][ T202] ? rcu_is_watching+0x15/0xd0
[ 80.038213][ T202] __x64_sys_ioctl+0x11a/0x190
[ 80.038335][ T202] do_syscall_64+0xf3/0xfc0
[ 80.038461][ T202] ? trace_hardirqs_off+0xd/0x30
[ 80.038582][ T202] ? exc_page_fault+0xee/0x100
[ 80.038703][ T202] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 80.038851][ T202] RIP: 0033:0x47cc8d
[ 80.038946][ T202] 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
[ 80.039383][ T202] RSP: 002b:00007ffd1865b370 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 80.039570][ T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 80.039747][ T202] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000006
[ 80.039926][ T202] RBP: 00007ffd1865b3c0 R08: 0000000000000021 R09: 0000000021435450
[ 80.040104][ T202] R10: 0000000000000020 R11: 0000000000000246 R12: 00007ffd1865b888
[ 80.040289][ T202] R13: 00007ffd1865b8c8 R14: 0000000000000002 R15: 0000000000543540
[ 80.040480][ T202]
[ 80.040570][ T202] irq event stamp: 30567
[ 80.040660][ T202] hardirqs last enabled at (30575): [] __up_console_sem+0x5a/0x70
[ 80.040869][ T202] hardirqs last disabled at (30582): [] __up_console_sem+0x3f/0x70
[ 80.041077][ T202] softirqs last enabled at (30556): [] handle_softirqs+0x611/0x940
[ 80.041289][ T202] softirqs last disabled at (30551): [] __irq_exit_rcu+0x103/0x1c0
[ 80.041507][ T202] ---[ end trace 0000000000000000 ]---
[ 80.041939][ T202] ------------[ cut here ]------------
[ 80.042066][ T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/202
[ 80.042319][ T202] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 80.042520][ T202] CPU: 0 UID: 0 PID: 202 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 80.042806][ T202] Tainted: [W]=WARN
[ 80.042901][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 80.043058][ T202] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 80.043229][ T202] 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 88 e9 f0 ff b9 a6 ff ff
[ 80.043687][ T202] RSP: 0018:ffa00000006e7910 EFLAGS: 00010286
[ 80.043846][ T202] RAX: 00000000ffffffa6 RBX: ff11000008d09c40 RCX: 1ff40000000dcee8
[ 80.044035][ T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d09cfc
[ 80.044229][ T202] RBP: ff1100000db88000 R08: 1fe22000011a13a1 R09: ff11000008d30b68
[ 80.044435][ T202] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[ 80.044642][ T202] R13: 0000000000000000 R14: 0000000000000000 R15: 00000000000010d1
[ 80.044832][ T202] FS: 0000000021434400(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 80.045053][ T202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 80.045218][ T202] CR2: 00007f80faec6000 CR3: 000000000b36d002 CR4: 0000000000771ef0
[ 80.045414][ T202] PKRU: 55555554
[ 80.045508][ T202] Call Trace:
[ 80.045602][ T202]
[ 80.045668][ T202] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 80.045797][ T202] rtmsg_ifinfo+0x5c/0xb0
[ 80.045893][ T202] ? mark_held_locks+0x40/0x70
[ 80.046020][ T202] __dev_notify_flags+0x1b8/0x280
[ 80.046147][ T202] ? netif_change_name+0x8c0/0x8c0
[ 80.046279][ T202] ? __dev_change_flags+0x4a4/0x660
[ 80.046412][ T202] ? netif_set_allmulti+0x250/0x250
[ 80.046540][ T202] ? lock_acquire.part.0+0xbc/0x260
[ 80.046666][ T202] ? dev_ioctl+0x2db/0xe50
[ 80.046793][ T202] netif_change_flags+0xfe/0x190
[ 80.046922][ T202] dev_change_flags+0xa5/0x170
[ 80.047050][ T202] dev_ifsioc+0x11b3/0x17d0
[ 80.047177][ T202] ? mark_usage+0x61/0x170
[ 80.047309][ T202] ? dev_set_hwtstamp+0x4c0/0x4c0
[ 80.047439][ T202] ? ww_mutex_lock+0x160/0x160
[ 80.047567][ T202] ? lock_acquire.part.0+0xbc/0x260
[ 80.047692][ T202] ? find_held_lock+0x2b/0x80
[ 80.047820][ T202] ? __lock_release.isra.0+0x6b/0x1a0
[ 80.047949][ T202] ? dev_load+0x6c/0x180
[ 80.048046][ T202] dev_ioctl+0x2eb/0xe50
[ 80.048142][ T202] sock_do_ioctl+0x1a4/0x270
[ 80.048274][ T202] ? __sock_recv_cmsgs+0x530/0x530
[ 80.048408][ T202] ? ioctl_file_clone+0xd0/0xd0
[ 80.048537][ T202] sock_ioctl+0x3cb/0x5f0
[ 80.048633][ T202] ? br_ioctl_call+0x80/0x80
[ 80.048760][ T202] ? fd_install+0x19b/0x3d0
[ 80.048889][ T202] ? update_socket_protocol+0x10/0x10
[ 80.049014][ T202] ? rcu_is_watching+0x15/0xd0
[ 80.049140][ T202] __x64_sys_ioctl+0x11a/0x190
[ 80.049272][ T202] do_syscall_64+0xf3/0xfc0
[ 80.049398][ T202] ? trace_hardirqs_off+0xd/0x30
[ 80.049527][ T202] ? exc_page_fault+0xee/0x100
[ 80.049655][ T202] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 80.049812][ T202] RIP: 0033:0x47cc8d
[ 80.049913][ T202] 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
[ 80.050365][ T202] RSP: 002b:00007ffd1865b350 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 80.050560][ T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 80.050752][ T202] RDX: 00007ffd1865b3c0 RSI: 0000000000008914 RDI: 0000000000000007
[ 80.050940][ T202] RBP: 00007ffd1865b3a0 R08: 0000000000000021 R09: 0000000021435450
[ 80.051127][ T202] R10: 0000000000000020 R11: 0000000000000246 R12: 00007ffd1865b888
[ 80.051322][ T202] R13: 00007ffd1865b8c8 R14: 0000000000000002 R15: 0000000000543540
[ 80.051521][ T202]
[ 80.051614][ T202] irq event stamp: 31373
[ 80.051709][ T202] hardirqs last enabled at (31381): [] __up_console_sem+0x5a/0x70
[ 80.051925][ T202] hardirqs last disabled at (31388): [] __up_console_sem+0x3f/0x70
[ 80.052141][ T202] softirqs last enabled at (30800): [] __alloc_skb+0x4c2/0x5f0
[ 80.052364][ T202] softirqs last disabled at (30798): [] __alloc_skb+0x4c2/0x5f0
[ 80.052587][ T202] ---[ end trace 0000000000000000 ]---
[ 89.974642][ T202] ------------[ cut here ]------------
[ 89.974868][ T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/202
[ 89.975138][ T202] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 89.975358][ T202] CPU: 0 UID: 0 PID: 202 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 89.975730][ T202] Tainted: [W]=WARN
[ 89.975833][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 89.976034][ T202] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 89.976312][ T202] 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 88 e9 f0 ff b9 a6 ff ff
[ 89.976893][ T202] RSP: 0018:ffa00000006e76e8 EFLAGS: 00010286
[ 89.977064][ T202] RAX: 00000000ffffffa6 RBX: ff1100000b2d5e00 RCX: 1ff40000000dcea3
[ 89.977289][ T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b2d5ebc
[ 89.977549][ T202] RBP: ff1100000db88000 R08: 1fe220000165abd9 R09: ff11000008d30b68
[ 89.977749][ T202] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[ 89.977951][ T202] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000006e7780
[ 89.978156][ T202] FS: 0000000000000000(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 89.978400][ T202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 89.978664][ T202] CR2: 00007f80faec6000 CR3: 000000002af39003 CR4: 0000000000771ef0
[ 89.978883][ T202] PKRU: 55555554
[ 89.978985][ T202] Call Trace:
[ 89.979087][ T202]
[ 89.979158][ T202] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 89.979299][ T202] rtmsg_ifinfo+0x5c/0xb0
[ 89.979498][ T202] netif_close_many+0x2ac/0x640
[ 89.979636][ T202] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 89.979784][ T202] ? lock_acquire.part.0+0xbc/0x260
[ 89.979918][ T202] ? find_held_lock+0x2b/0x80
[ 89.980052][ T202] ? __dev_close_many+0x530/0x530
[ 89.980185][ T202] ? netif_close_many_and_unlock+0x22/0x2c0
[ 89.980370][ T202] unregister_netdevice_many_notify+0x671/0x19a0
[ 89.980597][ T202] ? select_fallback_rq+0x510/0x510
[ 89.980734][ T202] ? unregister_netdevice_queued+0x80/0x80
[ 89.980900][ T202] ? find_held_lock+0x2b/0x80
[ 89.981036][ T202] ? find_held_lock+0x2b/0x80
[ 89.981170][ T202] ? __lock_release.isra.0+0x6b/0x1a0
[ 89.981308][ T202] ? __queue_work+0x315/0xc00
[ 89.981504][ T202] unregister_netdevice_queue+0x290/0x470
[ 89.981641][ T202] ? unregister_netdevice_many+0x20/0x20
[ 89.981776][ T202] ? lockdep_hardirqs_on+0x8c/0x130
[ 89.981911][ T202] ? queue_delayed_work_on+0x95/0x100
[ 89.982048][ T202] __tun_detach+0xf36/0x1320 [tun]
[ 89.982190][ T202] tun_chr_close+0xac/0x1b0 [tun]
[ 89.982331][ T202] __fput+0x363/0xac0
[ 89.982497][ T202] task_work_run+0x12b/0x240
[ 89.982632][ T202] ? lockdep_hardirqs_on+0x8c/0x130
[ 89.982767][ T202] ? task_work_cancel+0x30/0x30
[ 89.982902][ T202] ? kmem_cache_free+0xf8/0x560
[ 89.983041][ T202] do_exit+0x678/0xef0
[ 89.983146][ T202] ? exit_notify+0x890/0x890
[ 89.983305][ T202] ? find_held_lock+0x2b/0x80
[ 89.983498][ T202] ? __lock_release.isra.0+0x6b/0x1a0
[ 89.983646][ T202] ? __rwlock_init+0x150/0x150
[ 89.983791][ T202] do_group_exit+0xb8/0x370
[ 89.983925][ T202] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 89.984090][ T202] ? lockdep_hardirqs_on+0x8c/0x130
[ 89.984223][ T202] ? _raw_spin_unlock_irq+0x28/0x50
[ 89.984361][ T202] ? _raw_spin_unlock_irq+0x33/0x50
[ 89.984552][ T202] get_signal+0x172e/0x1820
[ 89.984688][ T202] ? __raw_spin_lock_init+0x44/0x120
[ 89.984822][ T202] ? mark_usage+0x61/0x170
[ 89.984954][ T202] ? __lock_acquire+0x508/0xc10
[ 89.985089][ T202] ? ptrace_signal+0x600/0x600
[ 89.985224][ T202] ? lock_acquire.part.0+0xbc/0x260
[ 89.985361][ T202] ? find_held_lock+0x2b/0x80
[ 89.985591][ T202] arch_do_signal_or_restart+0xc2/0x3a0
[ 89.985726][ T202] ? fd_install+0x18c/0x3d0
[ 89.985862][ T202] ? get_sigframe_size+0x20/0x20
[ 89.986000][ T202] ? update_socket_protocol+0x10/0x10
[ 89.986134][ T202] ? alloc_file_clone+0xe0/0xe0
[ 89.986272][ T202] ? rcu_is_watching+0x15/0xd0
[ 89.986499][ T202] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 89.986668][ T202] exit_to_user_mode_loop+0x86/0x520
[ 89.986819][ T202] ? rcu_is_watching+0x15/0xd0
[ 89.986954][ T202] do_syscall_64+0x4c8/0xfc0
[ 89.987090][ T202] ? irq_exit_rcu+0x1a/0x30
[ 89.987223][ T202] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 89.987395][ T202] RIP: 0033:0x47ea2b
[ 89.987564][ T202] Code: Unable to access opcode bytes at 0x47ea01.
[ 89.987740][ T202] RSP: 002b:00007ffd1865add8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 89.987942][ T202] RAX: 0000000000000008 RBX: 00007ffd1865aeb0 RCX: 000000000047ea2b
[ 89.988141][ T202] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010
[ 89.988344][ T202] RBP: 00007ffd1865ae10 R08: 0000000000000041 R09: 0000000021435450
[ 89.988638][ T202] R10: 0000000000000040 R11: 0000000000000202 R12: 00007ffd1865b888
[ 89.988841][ T202] R13: 00007ffd1865b8c8 R14: 00007ffd1865b388 R15: 0000000000543540
[ 89.989048][ T202]
[ 89.989148][ T202] irq event stamp: 14941873
[ 89.989286][ T202] hardirqs last enabled at (14941881): [] __up_console_sem+0x5a/0x70
[ 89.989629][ T202] hardirqs last disabled at (14942036): [] __up_console_sem+0x3f/0x70
[ 89.989862][ T202] softirqs last enabled at (14942034): [] handle_softirqs+0x611/0x940
[ 89.990093][ T202] softirqs last disabled at (14941889): [] __irq_exit_rcu+0x103/0x1c0
[ 89.990335][ T202] ---[ end trace 0000000000000000 ]---
[ 90.001655][ T202] ------------[ cut here ]------------
[ 90.001799][ T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: packetdrill/202
[ 90.002066][ T202] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 90.002273][ T202] CPU: 0 UID: 0 PID: 202 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 90.002574][ T202] Tainted: [W]=WARN
[ 90.002672][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 90.002835][ T202] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 90.003004][ T202] 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 88 e9 f0 ff b9 a6 ff ff
[ 90.003476][ T202] RSP: 0018:ffa00000006e7818 EFLAGS: 00010286
[ 90.003642][ T202] RAX: 00000000ffffffa6 RBX: ff11000005045700 RCX: 1ff40000000dcec9
[ 90.003834][ T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000050457bc
[ 90.004027][ T202] RBP: ff1100000db88000 R08: 1fe2200000a08af9 R09: ff11000008d30b68
[ 90.004221][ T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 90.004948][ T202] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 90.005142][ T202] FS: 0000000000000000(0000) GS:ff110000a77ac000(0000) knlGS:0000000000000000
[ 90.005372][ T202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 90.006052][ T202] CR2: 00007f80faec6000 CR3: 000000002af39003 CR4: 0000000000771ef0
[ 90.006281][ T202] PKRU: 55555554
[ 90.006378][ T202] Call Trace:
[ 90.006585][ T202]
[ 90.006654][ T202] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 90.006845][ T202] ? unregister_netdevice_queued+0x80/0x80
[ 90.007004][ T202] ? find_held_lock+0x2b/0x80
[ 90.007134][ T202] ? find_held_lock+0x2b/0x80
[ 90.007268][ T202] ? __lock_release.isra.0+0x6b/0x1a0
[ 90.007398][ T202] ? __queue_work+0x315/0xc00
[ 90.007534][ T202] unregister_netdevice_queue+0x290/0x470
[ 90.007665][ T202] ? unregister_netdevice_many+0x20/0x20
[ 90.007793][ T202] ? lockdep_hardirqs_on+0x8c/0x130
[ 90.007922][ T202] ? queue_delayed_work_on+0x95/0x100
[ 90.008051][ T202] __tun_detach+0xf36/0x1320 [tun]
[ 90.008183][ T202] tun_chr_close+0xac/0x1b0 [tun]
[ 90.008318][ T202] __fput+0x363/0xac0
[ 90.008423][ T202] task_work_run+0x12b/0x240
[ 90.008554][ T202] ? lockdep_hardirqs_on+0x8c/0x130
[ 90.008683][ T202] ? task_work_cancel+0x30/0x30
[ 90.008813][ T202] ? kmem_cache_free+0xf8/0x560
[ 90.008943][ T202] do_exit+0x678/0xef0
[ 90.009042][ T202] ? exit_notify+0x890/0x890
[ 90.009171][ T202] ? find_held_lock+0x2b/0x80
[ 90.009306][ T202] ? __lock_release.isra.0+0x6b/0x1a0
[ 90.009439][ T202] ? __rwlock_init+0x150/0x150
[ 90.009568][ T202] do_group_exit+0xb8/0x370
[ 90.009697][ T202] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 90.009855][ T202] ? lockdep_hardirqs_on+0x8c/0x130
[ 90.009983][ T202] ? _raw_spin_unlock_irq+0x28/0x50
[ 90.010112][ T202] ? _raw_spin_unlock_irq+0x33/0x50
[ 90.010247][ T202] get_signal+0x172e/0x1820
[ 90.010378][ T202] ? __raw_spin_lock_init+0x44/0x120
[ 90.010509][ T202] ? mark_usage+0x61/0x170
[ 90.010637][ T202] ? __lock_acquire+0x508/0xc10
[ 90.010780][ T202] ? ptrace_signal+0x600/0x600
[ 90.010932][ T202] ? lock_acquire.part.0+0xbc/0x260
[ 90.011059][ T202] ? find_held_lock+0x2b/0x80
[ 90.011192][ T202] arch_do_signal_or_restart+0xc2/0x3a0
[ 90.011333][ T202] ? fd_install+0x18c/0x3d0
[ 90.011472][ T202] ? get_sigframe_size+0x20/0x20
[ 90.011602][ T202] ? update_socket_protocol+0x10/0x10
[ 90.011731][ T202] ? alloc_file_clone+0xe0/0xe0
[ 90.011858][ T202] ? rcu_is_watching+0x15/0xd0
[ 90.011987][ T202] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 90.012150][ T202] exit_to_user_mode_loop+0x86/0x520
[ 90.012283][ T202] ? rcu_is_watching+0x15/0xd0
[ 90.012417][ T202] do_syscall_64+0x4c8/0xfc0
[ 90.012546][ T202] ? irq_exit_rcu+0x1a/0x30
[ 90.012676][ T202] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 90.012843][ T202] RIP: 0033:0x47ea2b
[ 90.012947][ T202] Code: Unable to access opcode bytes at 0x47ea01.
[ 90.013116][ T202] RSP: 002b:00007ffd1865add8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 90.013315][ T202] RAX: 0000000000000008 RBX: 00007ffd1865aeb0 RCX: 000000000047ea2b
[ 90.013512][ T202] RDX: 0000000000000000 RSI: 0000000000080003 RDI: 0000000000000010
[ 90.013704][ T202] RBP: 00007ffd1865ae10 R08: 0000000000000041 R09: 0000000021435450
[ 90.013900][ T202] R10: 0000000000000040 R11: 0000000000000202 R12: 00007ffd1865b888
[ 90.014099][ T202] R13: 00007ffd1865b8c8 R14: 00007ffd1865b388 R15: 0000000000543540
[ 90.014308][ T202]
[ 90.014413][ T202] irq event stamp: 14964205
[ 90.014546][ T202] hardirqs last enabled at (14964213): [] __up_console_sem+0x5a/0x70
[ 90.014773][ T202] hardirqs last disabled at (14964220): [] __up_console_sem+0x3f/0x70
[ 90.015002][ T202] softirqs last enabled at (14963732): [] handle_softirqs+0x611/0x940
[ 90.015230][ T202] softirqs last disabled at (14963531): [] __irq_exit_rcu+0x103/0x1c0
[ 90.015465][ T202] ---[ end trace 0000000000000000 ]---
[ 90.029605][ T12] ------------[ cut here ]------------
[ 90.029774][ T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: kworker/u16:0/12
[ 90.030061][ T12] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 90.030296][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 90.030629][ T12] Tainted: [W]=WARN
[ 90.030767][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 90.030958][ T12] Workqueue: netns cleanup_net
[ 90.031140][ T12] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 90.031386][ 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 88 e9 f0 ff b9 a6 ff ff
[ 90.031886][ T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[ 90.032095][ T12] RAX: 00000000ffffffa6 RBX: ff11000005044c80 RCX: 1ff4000000018ed5
[ 90.032328][ T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005044d3c
[ 90.032573][ T12] RBP: ff11000007f89000 R08: 1fe2200000a089a9 R09: ff11000001afd260
[ 90.032804][ T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 90.033032][ T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 90.033281][ T12] FS: 0000000000000000(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 90.033565][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 90.033774][ T12] CR2: 00007fd139b69000 CR3: 000000002af39003 CR4: 0000000000771ef0
[ 90.034012][ T12] PKRU: 55555554
[ 90.034162][ T12] Call Trace:
[ 90.034322][ T12]
[ 90.034453][ T12] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 90.034676][ T12] ? unregister_netdevice_queued+0x80/0x80
[ 90.034872][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 90.035041][ T12] default_device_exit_batch+0x38b/0x600
[ 90.035211][ T12] ? generic_xdp_install+0x400/0x400
[ 90.035387][ T12] ? ipmr_free_table+0x12e/0x2a0
[ 90.035571][ T12] ? unregister_netdev+0x60/0x60
[ 90.035735][ T12] ? rtnl_is_locked+0x15/0x20
[ 90.035898][ T12] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 90.036065][ T12] ops_undo_list+0x2ce/0x8f0
[ 90.036234][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 90.036420][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 90.036588][ T12] cleanup_net+0x431/0x890
[ 90.036753][ T12] ? net_passive_dec+0x1c0/0x1c0
[ 90.036916][ T12] ? process_one_work+0xdb7/0x1410
[ 90.037081][ T12] ? lock_acquire+0x134/0x160
[ 90.037252][ T12] ? rcu_is_watching+0x15/0xd0
[ 90.037431][ T12] process_one_work+0xdf8/0x1410
[ 90.037601][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 90.037765][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 90.037933][ T12] worker_thread+0x4f1/0xd60
[ 90.038100][ T12] ? rescuer_thread+0x1320/0x1320
[ 90.038280][ T12] kthread+0x367/0x460
[ 90.038428][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 90.038621][ T12] ? kthread_affine_node+0x330/0x330
[ 90.038787][ T12] ret_from_fork+0x4a4/0x720
[ 90.038953][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 90.039147][ T12] ? __switch_to+0x5a3/0xe00
[ 90.039320][ T12] ? kthread_affine_node+0x330/0x330
[ 90.039500][ T12] ret_from_fork_asm+0x11/0x20
[ 90.039671][ T12]
[ 90.039804][ T12] irq event stamp: 50747
[ 90.039938][ T12] hardirqs last enabled at (50757): [] __up_console_sem+0x5a/0x70
[ 90.040185][ T12] hardirqs last disabled at (50766): [] __up_console_sem+0x3f/0x70
[ 90.040450][ T12] softirqs last enabled at (50372): [] handle_softirqs+0x611/0x940
[ 90.040697][ T12] softirqs last disabled at (50365): [] __irq_exit_rcu+0x103/0x1c0
[ 90.040948][ T12] ---[ end trace 0000000000000000 ]---
[ 90.062304][ T205] ------------[ cut here ]------------
[ 90.062947][ T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: unshare/205
[ 90.063254][ T205] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 90.063587][ T205] CPU: 2 UID: 0 PID: 205 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 90.063894][ T205] Tainted: [W]=WARN
[ 90.064037][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 90.064249][ T205] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 90.064485][ T205] 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 88 e9 f0 ff b9 a6 ff ff
[ 90.064987][ T205] RSP: 0018:ffa0000000527ab0 EFLAGS: 00010286
[ 90.065196][ T205] RAX: 00000000ffffffa6 RBX: ff1100000a9c7380 RCX: 1ff40000000a4f1c
[ 90.065452][ T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9c743c
[ 90.065694][ T205] RBP: ff11000007f81000 R08: 1fe2200001538e89 R09: ff11000004db8b90
[ 90.065932][ T205] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 90.066168][ T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007f81000
[ 90.066425][ T205] FS: 00007f957bb52740(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 90.066701][ T205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 90.066910][ T205] CR2: 00007f957bd14280 CR3: 000000000b36d004 CR4: 0000000000771ef0
[ 90.067149][ T205] PKRU: 55555554
[ 90.067299][ T205] Call Trace:
[ 90.067452][ T205]
[ 90.067566][ T205] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 90.067747][ T205] ? notifier_call_chain+0xb0/0x320
[ 90.067923][ T205] rtmsg_ifinfo+0x5c/0xb0
[ 90.068069][ T205] register_netdevice+0x137a/0x1980
[ 90.068253][ T205] ? unregister_netdevice_queue+0x470/0x470
[ 90.068475][ T205] register_netdev+0x23/0x40
[ 90.068651][ T205] loopback_net_init+0x7d/0x150
[ 90.068829][ T205] ops_init+0x187/0x560
[ 90.068976][ T205] setup_net+0x11b/0x3b0
[ 90.069124][ T205] ? unregister_pernet_device+0x80/0x80
[ 90.069304][ T205] ? lockdep_init_map_type+0x5d/0x250
[ 90.069494][ T205] ? mutex_init_lockdep+0xf6/0x120
[ 90.069672][ T205] copy_net_ns+0x2fd/0x450
[ 90.069849][ T205] create_new_namespaces+0x371/0xa10
[ 90.070028][ T205] unshare_nsproxy_namespaces+0xa5/0x150
[ 90.070207][ T205] ksys_unshare+0x47e/0x8c0
[ 90.070390][ T205] ? walk_process_tree+0x350/0x350
[ 90.070581][ T205] __x64_sys_unshare+0x34/0x50
[ 90.070756][ T205] ? do_syscall_64+0x82/0xfc0
[ 90.070931][ T205] do_syscall_64+0xf3/0xfc0
[ 90.071105][ T205] ? trace_hardirqs_off+0xd/0x30
[ 90.071281][ T205] ? exc_page_fault+0xee/0x100
[ 90.071472][ T205] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 90.071681][ T205] RIP: 0033:0x7f957bc4dbcb
[ 90.071862][ T205] 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
[ 90.072369][ T205] RSP: 002b:00007ffc95808048 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 90.072619][ T205] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f957bc4dbcb
[ 90.072857][ T205] RDX: 0000000000000000 RSI: 00007ffc95807db0 RDI: 0000000040000000
[ 90.073095][ T205] RBP: 00007ffc958083d0 R08: 00007ffc95807fa0 R09: 0000000000000000
[ 90.073339][ T205] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 90.073588][ T205] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055f9817efb68
[ 90.073834][ T205]
[ 90.073975][ T205] irq event stamp: 18885
[ 90.074117][ T205] hardirqs last enabled at (18895): [] __up_console_sem+0x5a/0x70
[ 90.074396][ T205] hardirqs last disabled at (18904): [] __up_console_sem+0x3f/0x70
[ 90.074678][ T205] softirqs last enabled at (18308): [] handle_softirqs+0x611/0x940
[ 90.074949][ T205] softirqs last disabled at (17457): [] __irq_exit_rcu+0x103/0x1c0
[ 90.075218][ T205] ---[ end trace 0000000000000000 ]---
[ 90.084352][ T205] ------------[ cut here ]------------
[ 90.085380][ T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/205
[ 90.085842][ T205] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 90.086073][ T205] CPU: 2 UID: 0 PID: 205 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 90.086415][ T205] Tainted: [W]=WARN
[ 90.086557][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 90.086756][ T205] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 90.086961][ T205] 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 88 e9 f0 ff b9 a6 ff ff
[ 90.087453][ T205] RSP: 0018:ffa0000000527b58 EFLAGS: 00010286
[ 90.087657][ T205] RAX: 00000000ffffffa6 RBX: ff1100000c7d1700 RCX: 1ff40000000a4f31
[ 90.087885][ T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7d17bc
[ 90.088111][ T205] RBP: ff1100000db8c000 R08: 1fe22000018fa2f9 R09: ff11000004db8b68
[ 90.088346][ T205] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 90.088589][ T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000db8c000
[ 90.088819][ T205] FS: 0000000035edd400(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 90.089077][ T205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 90.089283][ T205] CR2: 00007f4cc4b63000 CR3: 000000000d837005 CR4: 0000000000771ef0
[ 90.089528][ T205] PKRU: 55555554
[ 90.089666][ T205] Call Trace:
[ 90.089804][ T205]
[ 90.089914][ T205] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 90.090083][ T205] ? notifier_call_chain+0xb0/0x320
[ 90.090260][ T205] rtmsg_ifinfo+0x5c/0xb0
[ 90.090415][ T205] register_netdevice+0x137a/0x1980
[ 90.090584][ T205] ? unregister_netdevice_queue+0x470/0x470
[ 90.090786][ T205] ? alloc_netdev_mqs+0xec0/0x1480
[ 90.090956][ T205] tun_set_iff.constprop.0+0xc61/0x1850 [tun]
[ 90.091160][ T205] ? tun_attach.isra.0+0x1630/0x1630 [tun]
[ 90.091368][ T205] ? tun_get+0x106/0x240 [tun]
[ 90.091548][ T205] __tun_chr_ioctl+0x4b0/0x2470 [tun]
[ 90.091717][ T205] ? build_open_flags+0x620/0x620
[ 90.091889][ T205] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 90.092061][ T205] ? lockdep_hardirqs_on+0x8c/0x130
[ 90.092231][ T205] ? __x64_sys_openat+0x10e/0x210
[ 90.092419][ T205] ? fput_close_sync+0xde/0x1b0
[ 90.092587][ T205] ? __ia32_sys_open+0x1b0/0x1b0
[ 90.092757][ T205] __x64_sys_ioctl+0x11a/0x190
[ 90.092928][ T205] do_syscall_64+0xf3/0xfc0
[ 90.093096][ T205] ? trace_hardirqs_off+0xd/0x30
[ 90.093270][ T205] ? exc_page_fault+0xee/0x100
[ 90.093453][ T205] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 90.093650][ T205] RIP: 0033:0x47cc8d
[ 90.093793][ T205] 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
[ 90.094276][ T205] RSP: 002b:00007ffc6654a570 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 90.094522][ T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 90.094748][ T205] RDX: 00007ffc6654a5f0 RSI: 00000000400454ca RDI: 0000000000000006
[ 90.094974][ T205] RBP: 00007ffc6654a5c0 R08: 0000000000000000 R09: 0000000000000000
[ 90.095201][ T205] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6654aac8
[ 90.095448][ T205] R13: 00007ffc6654ab08 R14: 0000000000000002 R15: 0000000000543540
[ 90.095681][ T205]
[ 90.095818][ T205] irq event stamp: 29793
[ 90.095955][ T205] hardirqs last enabled at (29803): [] __up_console_sem+0x5a/0x70
[ 90.096222][ T205] hardirqs last disabled at (29812): [] __up_console_sem+0x3f/0x70
[ 90.096501][ T205] softirqs last enabled at (29248): [] handle_softirqs+0x611/0x940
[ 90.096756][ T205] softirqs last disabled at (28939): [] __irq_exit_rcu+0x103/0x1c0
[ 90.097010][ T205] ---[ end trace 0000000000000000 ]---
[ 90.097470][ T205] ------------[ cut here ]------------
[ 90.097627][ T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/205
[ 90.097908][ T205] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 90.098133][ T205] CPU: 2 UID: 0 PID: 205 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 90.098466][ T205] Tainted: [W]=WARN
[ 90.098600][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 90.098793][ T205] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 90.098995][ T205] 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 88 e9 f0 ff b9 a6 ff ff
[ 90.099474][ T205] RSP: 0018:ffa0000000527c58 EFLAGS: 00010286
[ 90.099670][ T205] RAX: 00000000ffffffa6 RBX: ff1100000c7d1e00 RCX: 1ff40000000a4f51
[ 90.099890][ T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7d1ebc
[ 90.100108][ T205] RBP: ff1100000db8c000 R08: 1fe22000018fa3d9 R09: ff11000004db8b68
[ 90.100339][ T205] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[ 90.100573][ T205] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[ 90.100796][ T205] FS: 0000000035edd400(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 90.101050][ T205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 90.101251][ T205] CR2: 00007f4cc4b63000 CR3: 000000000d837005 CR4: 0000000000771ef0
[ 90.101485][ T205] PKRU: 55555554
[ 90.101622][ T205] Call Trace:
[ 90.101756][ T205]
[ 90.101864][ T205] ? rcu_is_watching+0x15/0xd0
[ 90.102029][ T205] rtnetlink_event+0xe0/0x1f0
[ 90.102196][ T205] notifier_call_chain+0xb0/0x320
[ 90.102370][ T205] netdev_update_features+0xa9/0xb0
[ 90.102547][ T205] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 90.102743][ T205] __tun_chr_ioctl+0xc7f/0x2470 [tun]
[ 90.102914][ T205] ? tun_chr_read_iter+0x210/0x210 [tun]
[ 90.103080][ T205] ? fd_install+0x19b/0x3d0
[ 90.103256][ T205] ? update_socket_protocol+0x10/0x10
[ 90.103433][ T205] ? alloc_file_clone+0xe0/0xe0
[ 90.103600][ T205] __x64_sys_ioctl+0x11a/0x190
[ 90.103767][ T205] do_syscall_64+0xf3/0xfc0
[ 90.103931][ T205] ? trace_hardirqs_off+0xd/0x30
[ 90.104094][ T205] ? exc_page_fault+0xee/0x100
[ 90.104270][ T205] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 90.104477][ T205] RIP: 0033:0x47cc8d
[ 90.104619][ T205] 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
[ 90.105079][ T205] RSP: 002b:00007ffc6654a5b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 90.105310][ T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 90.105545][ T205] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000006
[ 90.105766][ T205] RBP: 00007ffc6654a600 R08: 0000000000000000 R09: 0000000000000000
[ 90.105987][ T205] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6654aac8
[ 90.106211][ T205] R13: 00007ffc6654ab08 R14: 0000000000000002 R15: 0000000000543540
[ 90.106456][ T205]
[ 90.106590][ T205] irq event stamp: 30571
[ 90.106724][ T205] hardirqs last enabled at (30581): [] __up_console_sem+0x5a/0x70
[ 90.106972][ T205] hardirqs last disabled at (30590): [] __up_console_sem+0x3f/0x70
[ 90.107225][ T205] softirqs last enabled at (30054): [] __alloc_skb+0x4c2/0x5f0
[ 90.107495][ T205] softirqs last disabled at (30052): [] __alloc_skb+0x4c2/0x5f0
[ 90.107745][ T205] ---[ end trace 0000000000000000 ]---
[ 90.108231][ T205] ------------[ cut here ]------------
[ 90.108414][ T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/205
[ 90.108704][ T205] Modules linked in: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tun
[ 90.108939][ T205] CPU: 2 UID: 0 PID: 205 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 90.109272][ T205] Tainted: [W]=WARN
[ 90.109424][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 90.109629][ T205] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 90.109839][ T205] 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 88 e9 f0 ff b9 a6 ff ff
[ 90.110334][ T205] RSP: 0018:ffa0000000527850 EFLAGS: 00010286
[ 90.110548][ T205] RAX: 00000000ffffffa6 RBX: ff1100000c7d1540 RCX: 1ff40000000a4ed0
[ 90.110782][ T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7d15fc
[ 90.111011][ T205] RBP: ff1100000db8c000 R08: 1fe22000018fa2c1 R09: ff11000004db8b68
[ 90.111248][ T205] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[ 90.111491][ T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005882340
[ 90.111729][ T205] FS: 0000000035edd400(0000) GS:ff110000a78ac000(0000) knlGS:0000000000000000
[ 90.111992][ T205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 90.112193][ T205] CR2: 00007f4cc4b63000 CR3: 000000000d837005 CR4: 0000000000771ef0
[ 90.112444][ T205] PKRU: 55555554
[ 90.112585][ T205] Call Trace:
[ 90.112727][ T205]
[ 90.112838][ T205] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 90.113011][ T205] rtmsg_ifinfo+0x5c/0xb0
[ 90.113152][ T205] ? mark_held_locks+0x40/0x70
[ 90.113331][ T205] __dev_notify_flags+0x1b8/0x280
[ 90.113514][ T205] ? netif_change_name+0x8c0/0x8c0
[ 90.113685][ T205] ? __dev_change_flags+0x4a4/0x660
[ 90.113857][ T205] ? netif_set_allmulti+0x250/0x250
[ 90.114032][ T205] ? lock_acquire.part.0+0xbc/0x260
[ 90.114205][ T205] netif_change_flags+0xfe/0x190
[ 90.114380][ T205] ? cap_capable+0x1d6/0x3e0
[ 90.114566][ T205] dev_change_flags+0xa5/0x170
[ 90.114739][ T205] devinet_ioctl+0x10f0/0x1840
[ 90.114913][ T205] ? inet_ifa_byprefix+0x220/0x220
[ 90.115086][ T205] ? _copy_from_user+0x42/0x90
[ 90.115268][ T205] inet_ioctl+0x34b/0x3a0
[ 90.115421][ T205] ? inet_dgram_connect+0x3e0/0x3e0
[ 90.115592][ T205] ? __lock_acquire+0x508/0xc10
[ 90.115768][ T205] ? __might_fault+0x97/0x140
[ 90.115939][ T205] ? __might_fault+0x97/0x140
[ 90.116111][ T205] sock_do_ioctl+0x10e/0x270
[ 90.116294][ T205] ? __sock_recv_cmsgs+0x530/0x530
[ 90.116480][ T205] ? ioctl_file_clone+0xd0/0xd0
[ 90.116660][ T205] sock_ioctl+0x3cb/0x5f0
[ 90.116804][ T205] ? br_ioctl_call+0x80/0x80
[ 90.116976][ T205] ? fd_install+0x19b/0x3d0
[ 90.117149][ T205] ? update_socket_protocol+0x10/0x10
[ 90.117326][ T205] ? alloc_file_clone+0xe0/0xe0
[ 90.117517][ T205] __x64_sys_ioctl+0x11a/0x190
[ 90.117690][ T205] do_syscall_64+0xf3/0xfc0
[ 90.117862][ T205] ? trace_hardirqs_off+0xd/0x30
[ 90.118034][ T205] ? exc_page_fault+0xee/0x100
[ 90.118208][ T205] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 90.118426][ T205] RIP: 0033:0x47cc8d
[ 90.118570][ T205] 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
[ 90.119058][ T205] RSP: 002b:00007ffc6654a590 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 90.119299][ T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000047cc8d
[ 90.119541][ T205] RDX: 00007ffc6654a600 RSI: 0000000000008914 RDI: 0000000000000007
[ 90.119770][ T205] RBP: 00007ffc6654a5e0 R08: 0000000000000000 R09: 0000000000000000
[ 90.120001][ T205] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6654aac8
[ 90.120234][ T205] R13: 00007ffc6654ab08 R14: 0000000000000002 R15: 0000000000543540
[ 90.120488][ T205]
[ 90.120626][ T205] irq event stamp: 31523
[ 90.120764][ T205] hardirqs last enabled at (31533): [] __up_console_sem+0x5a/0x70
[ 90.121021][ T205] hardirqs last disabled at (31542): [