[ 8.742184][ T167] ------------[ cut here ]------------
[ 8.742460][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: unshare/167
[ 8.742785][ T167] Modules linked in:
[ 8.743915][ T167] CPU: 2 UID: 0 PID: 167 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.744371][ T167] Tainted: [W]=WARN
[ 8.744630][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.744981][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.745297][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 8.745910][ T167] RSP: 0018:ffa0000000847ab0 EFLAGS: 00010286
[ 8.746216][ T167] RAX: 00000000ffffffa6 RBX: ff1100000b1484c0 RCX: 1ff4000000108f1c
[ 8.746550][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b148570
[ 8.746888][ T167] RBP: ff11000008841000 R08: 1fe22000016290af R09: ff1100000c442e80
[ 8.747218][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.747486][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008841000
[ 8.747740][ T167] FS: 00007f8c66c0e740(0000) GS:ff110000a70d3000(0000) knlGS:0000000000000000
[ 8.748166][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.748391][ T167] CR2: 00005632b762b310 CR3: 000000000b3d2002 CR4: 0000000000771ef0
[ 8.748641][ T167] PKRU: 55555554
[ 8.748789][ T167] Call Trace:
[ 8.748945][ T167]
[ 8.749115][ T167] ? ip6_route_dev_notify+0x250/0x380
[ 8.749301][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.749487][ T167] ? notifier_call_chain+0xb0/0x320
[ 8.749673][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 8.749826][ T167] register_netdevice+0x137a/0x1980
[ 8.750058][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 8.750278][ T167] register_netdev+0x23/0x40
[ 8.750463][ T167] loopback_net_init+0x7d/0x150
[ 8.750650][ T167] ops_init+0x187/0x560
[ 8.750803][ T167] setup_net+0x11b/0x3b0
[ 8.750975][ T167] ? unregister_pernet_device+0x80/0x80
[ 8.751155][ T167] ? lockdep_init_map_type+0x5d/0x250
[ 8.751343][ T167] ? mutex_init_lockdep+0xf6/0x120
[ 8.751531][ T167] copy_net_ns+0x2fd/0x450
[ 8.751717][ T167] create_new_namespaces+0x371/0xa10
[ 8.751910][ T167] unshare_nsproxy_namespaces+0xa5/0x150
[ 8.752104][ T167] ksys_unshare+0x47e/0x8c0
[ 8.752291][ T167] ? walk_process_tree+0x350/0x350
[ 8.752479][ T167] __x64_sys_unshare+0x34/0x50
[ 8.752667][ T167] ? do_syscall_64+0x82/0xfc0
[ 8.752859][ T167] do_syscall_64+0x117/0xfc0
[ 8.753054][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.753241][ T167] ? exc_page_fault+0xee/0x100
[ 8.753426][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.753642][ T167] RIP: 0033:0x7f8c66d09bcb
[ 8.753833][ T167] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
[ 8.754398][ T167] RSP: 002b:00007ffe48c9c978 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 8.754649][ T167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8c66d09bcb
[ 8.754907][ T167] RDX: 0000000000000000 RSI: 00007ffe48c9c6e0 RDI: 0000000040000000
[ 8.755170][ T167] RBP: 00007ffe48c9cd00 R08: 00007ffe48c9c8d0 R09: 0000000000000000
[ 8.755419][ T167] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 8.755666][ T167] R13: 0000000000000000 R14: 00000000ffffffff R15: 00005632b762eb68
[ 8.755984][ T167]
[ 8.756134][ T167] irq event stamp: 14675
[ 8.756285][ T167] hardirqs last enabled at (14685): [] __up_console_sem+0x5a/0x70
[ 8.756574][ T167] hardirqs last disabled at (14694): [] __up_console_sem+0x3f/0x70
[ 8.756864][ T167] softirqs last enabled at (14248): [] handle_softirqs+0x611/0x940
[ 8.757161][ T167] softirqs last disabled at (14223): [] __irq_exit_rcu+0x103/0x1c0
[ 8.757449][ T167] ---[ end trace 0000000000000000 ]---
[ 8.787361][ T167] ------------[ cut here ]------------
[ 8.787543][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 8.787855][ T167] Modules linked in:
[ 8.788054][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.788370][ T167] Tainted: [W]=WARN
[ 8.788505][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.788700][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.788910][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 8.789405][ T167] RSP: 0018:ffa0000000847b58 EFLAGS: 00010286
[ 8.789601][ T167] RAX: 00000000ffffffa6 RBX: ff110000094c4340 RCX: 1ff4000000108f31
[ 8.789823][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094c43f0
[ 8.790066][ T167] RBP: ff11000008a00000 R08: 1fe220000129887f R09: ff1100000c442e58
[ 8.790288][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 8.790510][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008a00000
[ 8.790735][ T167] FS: 0000000025f7f400(0000) GS:ff110000a70d3000(0000) knlGS:0000000000000000
[ 8.791004][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.791201][ T167] CR2: 00007f35fc495000 CR3: 000000000c5a2003 CR4: 0000000000771ef0
[ 8.791427][ T167] PKRU: 55555554
[ 8.791562][ T167] Call Trace:
[ 8.791697][ T167]
[ 8.791805][ T167] ? ip6_route_dev_notify+0x3d/0x380
[ 8.791987][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.792155][ T167] ? notifier_call_chain+0xb0/0x320
[ 8.792322][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 8.792461][ T167] register_netdevice+0x137a/0x1980
[ 8.792631][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 8.792825][ T167] ? alloc_netdev_mqs+0xec0/0x1410
[ 8.793013][ T167] tun_set_iff.constprop.0+0xc61/0x1850
[ 8.793182][ T167] ? tun_attach.isra.0+0x1630/0x1630
[ 8.793347][ T167] ? tun_get+0x106/0x240
[ 8.793487][ T167] __tun_chr_ioctl+0x4b0/0x2470
[ 8.793656][ T167] ? build_open_flags+0x620/0x620
[ 8.793823][ T167] ? tun_chr_read_iter+0x210/0x210
[ 8.794008][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 8.794176][ T167] ? __x64_sys_openat+0x10e/0x210
[ 8.794341][ T167] ? fput_close_sync+0xde/0x1b0
[ 8.794507][ T167] ? __ia32_sys_open+0x1b0/0x1b0
[ 8.794673][ T167] __x64_sys_ioctl+0x11a/0x190
[ 8.794848][ T167] do_syscall_64+0x117/0xfc0
[ 8.795025][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.795192][ T167] ? exc_page_fault+0xee/0x100
[ 8.795357][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.795551][ T167] RIP: 0033:0x47cc8d
[ 8.795692][ T167] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 8.796177][ T167] RSP: 002b:00007fffd58efc60 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.796402][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.796626][ T167] RDX: 00007fffd58efce0 RSI: 00000000400454ca RDI: 0000000000000005
[ 8.796877][ T167] RBP: 00007fffd58efcb0 R08: 0000000000000000 R09: 0000000000000000
[ 8.797117][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffd58f01b8
[ 8.797341][ T167] R13: 00007fffd58f0240 R14: 0000000000000002 R15: 0000000000543540
[ 8.797571][ T167]
[ 8.797706][ T167] irq event stamp: 41691
[ 8.797850][ T167] hardirqs last enabled at (41701): [] __up_console_sem+0x5a/0x70
[ 8.798115][ T167] hardirqs last disabled at (41712): [] __up_console_sem+0x3f/0x70
[ 8.798367][ T167] softirqs last enabled at (41112): [] __alloc_skb+0x4c5/0x5f0
[ 8.798617][ T167] softirqs last disabled at (41110): [] __alloc_skb+0x4c5/0x5f0
[ 8.798875][ T167] ---[ end trace 0000000000000000 ]---
[ 8.799353][ T167] ------------[ cut here ]------------
[ 8.799514][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 8.799790][ T167] Modules linked in:
[ 8.799999][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.800311][ T167] Tainted: [W]=WARN
[ 8.800449][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.800642][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.800850][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 8.801321][ T167] RSP: 0018:ffa0000000847c58 EFLAGS: 00010286
[ 8.801520][ T167] RAX: 00000000ffffffa6 RBX: ff110000094c5540 RCX: 1ff4000000108f51
[ 8.801741][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094c55f0
[ 8.801980][ T167] RBP: ff11000008a00000 R08: 1fe2200001298abf R09: ff1100000c442e58
[ 8.802201][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[ 8.802426][ T167] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[ 8.802649][ T167] FS: 0000000025f7f400(0000) GS:ff110000a70d3000(0000) knlGS:0000000000000000
[ 8.802910][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.803117][ T167] CR2: 00007f35fc495000 CR3: 000000000c5a2003 CR4: 0000000000771ef0
[ 8.803340][ T167] PKRU: 55555554
[ 8.803477][ T167] Call Trace:
[ 8.803612][ T167]
[ 8.803719][ T167] ? rcu_is_watching+0x15/0xd0
[ 8.803893][ T167] rtnetlink_event+0xe0/0x1f0
[ 8.804071][ T167] notifier_call_chain+0xb0/0x320
[ 8.804240][ T167] netdev_update_features+0xa9/0xb0
[ 8.804407][ T167] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 8.804602][ T167] __tun_chr_ioctl+0xc7f/0x2470
[ 8.804802][ T167] ? tun_chr_read_iter+0x210/0x210
[ 8.805001][ T167] ? fd_install+0x19b/0x3d0
[ 8.805172][ T167] ? update_socket_protocol+0x10/0x10
[ 8.805337][ T167] ? alloc_file_clone+0xe0/0xe0
[ 8.805505][ T167] __x64_sys_ioctl+0x11a/0x190
[ 8.805698][ T167] do_syscall_64+0x117/0xfc0
[ 8.805874][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.806050][ T167] ? exc_page_fault+0xee/0x100
[ 8.806221][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.806427][ T167] RIP: 0033:0x47cc8d
[ 8.806567][ T167] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 8.807045][ T167] RSP: 002b:00007fffd58efca0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.807272][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.807495][ T167] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 8.807717][ T167] RBP: 00007fffd58efcf0 R08: 0000000000000000 R09: 0000000000000000
[ 8.807982][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffd58f01b8
[ 8.808207][ T167] R13: 00007fffd58f0240 R14: 0000000000000002 R15: 0000000000543540
[ 8.808434][ T167]
[ 8.808568][ T167] irq event stamp: 42469
[ 8.808702][ T167] hardirqs last enabled at (42479): [] __up_console_sem+0x5a/0x70
[ 8.808974][ T167] hardirqs last disabled at (42490): [] __up_console_sem+0x3f/0x70
[ 8.809227][ T167] softirqs last enabled at (41962): [] __alloc_skb+0x4c5/0x5f0
[ 8.809477][ T167] softirqs last disabled at (41960): [] __alloc_skb+0x4c5/0x5f0
[ 8.809725][ T167] ---[ end trace 0000000000000000 ]---
[ 8.810308][ T167] ------------[ cut here ]------------
[ 8.810473][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 8.810766][ T167] Modules linked in:
[ 8.810920][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 8.811303][ T167] Tainted: [W]=WARN
[ 8.811442][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.811645][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 8.811864][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 8.812369][ T167] RSP: 0018:ffa0000000847850 EFLAGS: 00010286
[ 8.812574][ T167] RAX: 00000000ffffffa6 RBX: ff110000094c41c0 RCX: 1ff4000000108ed0
[ 8.812809][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094c4270
[ 8.813058][ T167] RBP: ff11000008a00000 R08: 1fe220000129884f R09: ff1100000c442e58
[ 8.813292][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[ 8.813524][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005860900
[ 8.813761][ T167] FS: 0000000025f7f400(0000) GS:ff110000a70d3000(0000) knlGS:0000000000000000
[ 8.814048][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.814252][ T167] CR2: 00007f35fc495000 CR3: 000000000c5a2003 CR4: 0000000000771ef0
[ 8.814488][ T167] PKRU: 55555554
[ 8.814628][ T167] Call Trace:
[ 8.814768][ T167]
[ 8.814888][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 8.815079][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 8.815223][ T167] ? mark_held_locks+0x40/0x70
[ 8.815397][ T167] __dev_notify_flags+0x1b8/0x280
[ 8.815571][ T167] ? netif_change_name+0x8c0/0x8c0
[ 8.815744][ T167] ? __dev_change_flags+0x4a4/0x660
[ 8.815920][ T167] ? netif_set_allmulti+0x250/0x250
[ 8.816106][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 8.816284][ T167] netif_change_flags+0xfe/0x190
[ 8.816458][ T167] ? cap_capable+0x1d6/0x3e0
[ 8.816632][ T167] dev_change_flags+0xa5/0x170
[ 8.816829][ T167] devinet_ioctl+0x10f0/0x1840
[ 8.817026][ T167] ? inet_ifa_byprefix+0x220/0x220
[ 8.817199][ T167] ? _copy_from_user+0x42/0x90
[ 8.817373][ T167] inet_ioctl+0x34b/0x3a0
[ 8.817520][ T167] ? inet_dgram_connect+0x3e0/0x3e0
[ 8.817692][ T167] ? __lock_acquire+0x508/0xc10
[ 8.817879][ T167] ? __might_fault+0x97/0x140
[ 8.818063][ T167] ? __might_fault+0x97/0x140
[ 8.818238][ T167] sock_do_ioctl+0x10e/0x270
[ 8.818413][ T167] ? __sock_recv_cmsgs+0x550/0x550
[ 8.818588][ T167] ? ioctl_file_clone+0xd0/0xd0
[ 8.818764][ T167] sock_ioctl+0x3cb/0x5f0
[ 8.818943][ T167] ? br_ioctl_call+0x80/0x80
[ 8.819133][ T167] ? fd_install+0x19b/0x3d0
[ 8.819320][ T167] ? update_socket_protocol+0x10/0x10
[ 8.819493][ T167] ? alloc_file_clone+0xe0/0xe0
[ 8.819669][ T167] __x64_sys_ioctl+0x11a/0x190
[ 8.819851][ T167] do_syscall_64+0x117/0xfc0
[ 8.820036][ T167] ? trace_hardirqs_off+0xd/0x30
[ 8.820210][ T167] ? exc_page_fault+0xee/0x100
[ 8.820389][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.820592][ T167] RIP: 0033:0x47cc8d
[ 8.820738][ T167] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 8.821247][ T167] RSP: 002b:00007fffd58efc80 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8.821487][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 8.821720][ T167] RDX: 00007fffd58efcf0 RSI: 0000000000008914 RDI: 0000000000000006
[ 8.821975][ T167] RBP: 00007fffd58efcd0 R08: 0000000000000000 R09: 0000000000000000
[ 8.822209][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffd58f01b8
[ 8.822447][ T167] R13: 00007fffd58f0240 R14: 0000000000000002 R15: 0000000000543540
[ 8.822689][ T167]
[ 8.822829][ T167] irq event stamp: 43565
[ 8.822989][ T167] hardirqs last enabled at (43577): [] __up_console_sem+0x5a/0x70
[ 8.823254][ T167] hardirqs last disabled at (43586): [] __up_console_sem+0x3f/0x70
[ 8.823534][ T167] softirqs last enabled at (42958): [] handle_softirqs+0x611/0x940
[ 8.823799][ T167] softirqs last disabled at (42891): [] __irq_exit_rcu+0x103/0x1c0
[ 8.824086][ T167] ---[ end trace 0000000000000000 ]---
[ 98.607357][ T167] ------------[ cut here ]------------
[ 98.607614][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 98.607944][ T167] Modules linked in:
[ 98.608314][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.608722][ T167] Tainted: [W]=WARN
[ 98.608976][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.609303][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.609582][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 98.610209][ T167] RSP: 0018:ffa00000008476f0 EFLAGS: 00010286
[ 98.610516][ T167] RAX: 00000000ffffffa6 RBX: ff11000004b439c0 RCX: 1ff4000000108ea4
[ 98.610812][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b43a70
[ 98.611163][ T167] RBP: ff11000008a00000 R08: 1fe220000096874f R09: ff1100000c442e58
[ 98.611499][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[ 98.611793][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000847790
[ 98.612154][ T167] FS: 0000000000000000(0000) GS:ff110000a70d3000(0000) knlGS:0000000000000000
[ 98.612525][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.612739][ T167] CR2: 00007f759b8b26f0 CR3: 0000000034739006 CR4: 0000000000771ef0
[ 98.612996][ T167] PKRU: 55555554
[ 98.613150][ T167] Call Trace:
[ 98.613296][ T167]
[ 98.613411][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 98.613593][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 98.613742][ T167] netif_close_many+0x2ac/0x640
[ 98.613923][ T167] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 98.614114][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 98.614300][ T167] ? find_held_lock+0x2b/0x80
[ 98.614479][ T167] ? __dev_close_many+0x530/0x530
[ 98.614659][ T167] ? netif_close_many_and_unlock+0x22/0x2c0
[ 98.614873][ T167] unregister_netdevice_many_notify+0x671/0x19a0
[ 98.615097][ T167] ? select_fallback_rq+0x510/0x510
[ 98.615296][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 98.615507][ T167] ? find_held_lock+0x2b/0x80
[ 98.615689][ T167] ? find_held_lock+0x2b/0x80
[ 98.615868][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.616064][ T167] ? __queue_work+0x315/0xc00
[ 98.616255][ T167] unregister_netdevice_queue+0x290/0x470
[ 98.616433][ T167] ? mark_held_locks+0x40/0x70
[ 98.616610][ T167] ? unregister_netdevice_many+0x20/0x20
[ 98.616792][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.616984][ T167] ? queue_delayed_work_on+0x95/0x100
[ 98.617171][ T167] __tun_detach+0xf36/0x1320
[ 98.617355][ T167] tun_chr_close+0xac/0x1b0
[ 98.617537][ T167] __fput+0x363/0xac0
[ 98.617689][ T167] task_work_run+0x12b/0x240
[ 98.617868][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.618061][ T167] ? task_work_cancel+0x30/0x30
[ 98.618250][ T167] ? kmem_cache_free+0xf8/0x560
[ 98.618432][ T167] do_exit+0x614/0xdc0
[ 98.618581][ T167] ? exit_notify+0x890/0x890
[ 98.618758][ T167] ? find_held_lock+0x2b/0x80
[ 98.618940][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.619138][ T167] ? __rwlock_init+0x150/0x150
[ 98.619320][ T167] do_group_exit+0xb8/0x370
[ 98.619500][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.619795][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.619988][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.620177][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.620356][ T167] get_signal+0x172e/0x1820
[ 98.620539][ T167] ? __sys_sendto+0x2c9/0x400
[ 98.620891][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.621082][ T167] ? __might_fault+0x97/0x140
[ 98.621278][ T167] ? ptrace_signal+0x600/0x600
[ 98.621564][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.621762][ T167] ? get_sigframe_size+0x20/0x20
[ 98.621989][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.622219][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.622553][ T167] exit_to_user_mode_loop+0x86/0x520
[ 98.622761][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.622960][ T167] do_syscall_64+0x437/0xfc0
[ 98.623241][ T167] ? irq_exit_rcu+0x1a/0x30
[ 98.623424][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.623637][ T167] RIP: 0033:0x4c2d9e
[ 98.623884][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.624138][ T167] RSP: 002b:00007fffd58ef610 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.624389][ T167] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 98.624632][ T167] RDX: 0000000000000014 RSI: 00007fffd58ef6f0 RDI: 0000000000000007
[ 98.624877][ T167] RBP: 00007fffd58ef620 R08: 00007fffd58ef6b0 R09: 000000000000000c
[ 98.625139][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd58f01b8
[ 98.625385][ T167] R13: 00007fffd58f0240 R14: 00007fffd58ef7e0 R15: 0000000000543540
[ 98.625725][ T167]
[ 98.625968][ T167] irq event stamp: 133667415
[ 98.626246][ T167] hardirqs last enabled at (133667425): [] __up_console_sem+0x5a/0x70
[ 98.626531][ T167] hardirqs last disabled at (133667434): [] __up_console_sem+0x3f/0x70
[ 98.626904][ T167] softirqs last enabled at (133666724): [] handle_softirqs+0x611/0x940
[ 98.627200][ T167] softirqs last disabled at (133666581): [] __irq_exit_rcu+0x103/0x1c0
[ 98.627566][ T167] ---[ end trace 0000000000000000 ]---
[ 98.631847][ T167] ------------[ cut here ]------------
[ 98.632497][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 98.633284][ T167] Modules linked in:
[ 98.633900][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.634741][ T167] Tainted: [W]=WARN
[ 98.635237][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.635451][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.635666][ T167] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 98.636191][ T167] RSP: 0018:ffa0000000847820 EFLAGS: 00010286
[ 98.636400][ T167] RAX: 00000000ffffffa6 RBX: ff1100000ce993c0 RCX: 1ff4000000108eca
[ 98.636636][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ce99470
[ 98.636873][ T167] RBP: ff11000008a00000 R08: 1fe22000019d328f R09: ff1100000c442e58
[ 98.637120][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.637363][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.637603][ T167] FS: 0000000000000000(0000) GS:ff110000a70d3000(0000) knlGS:0000000000000000
[ 98.637873][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.638094][ T167] CR2: 00007f759b8b26f0 CR3: 0000000034739006 CR4: 0000000000771ef0
[ 98.638338][ T167] PKRU: 55555554
[ 98.638480][ T167] Call Trace:
[ 98.638626][ T167]
[ 98.638740][ T167] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.639007][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 98.639223][ T167] ? find_held_lock+0x2b/0x80
[ 98.639397][ T167] ? find_held_lock+0x2b/0x80
[ 98.639571][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.639747][ T167] ? __queue_work+0x315/0xc00
[ 98.639922][ T167] unregister_netdevice_queue+0x290/0x470
[ 98.640109][ T167] ? mark_held_locks+0x40/0x70
[ 98.640294][ T167] ? unregister_netdevice_many+0x20/0x20
[ 98.640469][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.640641][ T167] ? queue_delayed_work_on+0x95/0x100
[ 98.640816][ T167] __tun_detach+0xf36/0x1320
[ 98.641003][ T167] tun_chr_close+0xac/0x1b0
[ 98.641188][ T167] __fput+0x363/0xac0
[ 98.641337][ T167] task_work_run+0x12b/0x240
[ 98.641513][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.641684][ T167] ? task_work_cancel+0x30/0x30
[ 98.641858][ T167] ? kmem_cache_free+0xf8/0x560
[ 98.642046][ T167] do_exit+0x614/0xdc0
[ 98.642198][ T167] ? exit_notify+0x890/0x890
[ 98.642370][ T167] ? find_held_lock+0x2b/0x80
[ 98.642544][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.642718][ T167] ? __rwlock_init+0x150/0x150
[ 98.642895][ T167] do_group_exit+0xb8/0x370
[ 98.643081][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 98.643292][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 98.643465][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 98.643641][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 98.643815][ T167] get_signal+0x172e/0x1820
[ 98.644001][ T167] ? __sys_sendto+0x2c9/0x400
[ 98.644184][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 98.644357][ T167] ? __might_fault+0x97/0x140
[ 98.644535][ T167] ? ptrace_signal+0x600/0x600
[ 98.644714][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 98.644894][ T167] ? get_sigframe_size+0x20/0x20
[ 98.645083][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.645266][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.645474][ T167] exit_to_user_mode_loop+0x86/0x520
[ 98.645648][ T167] ? rcu_is_watching+0x15/0xd0
[ 98.645825][ T167] do_syscall_64+0x437/0xfc0
[ 98.646013][ T167] ? irq_exit_rcu+0x1a/0x30
[ 98.646195][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 98.646397][ T167] RIP: 0033:0x4c2d9e
[ 98.646545][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 98.646753][ T167] RSP: 002b:00007fffd58ef610 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 98.647005][ T167] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 98.647253][ T167] RDX: 0000000000000014 RSI: 00007fffd58ef6f0 RDI: 0000000000000007
[ 98.647487][ T167] RBP: 00007fffd58ef620 R08: 00007fffd58ef6b0 R09: 000000000000000c
[ 98.647749][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd58f01b8
[ 98.647997][ T167] R13: 00007fffd58f0240 R14: 00007fffd58ef7e0 R15: 0000000000543540
[ 98.648245][ T167]
[ 98.648386][ T167] irq event stamp: 133677453
[ 98.648558][ T167] hardirqs last enabled at (133677463): [] __up_console_sem+0x5a/0x70
[ 98.648824][ T167] hardirqs last disabled at (133677472): [] __up_console_sem+0x3f/0x70
[ 98.649111][ T167] softirqs last enabled at (133677488): [] handle_softirqs+0x611/0x940
[ 98.649387][ T167] softirqs last disabled at (133677481): [] __irq_exit_rcu+0x103/0x1c0
[ 98.649656][ T167] ---[ end trace 0000000000000000 ]---
[ 98.664442][ T67] ------------[ cut here ]------------
[ 98.664612][ T67] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: kworker/u16:1/67
[ 98.664886][ T67] Modules linked in:
[ 98.665445][ T67] CPU: 0 UID: 0 PID: 67 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 98.665727][ T67] Tainted: [W]=WARN
[ 98.665868][ T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.666067][ T67] Workqueue: netns cleanup_net
[ 98.666204][ T67] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 98.666363][ T67] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 ff f0 ff b9 a6 ff ff
[ 98.666785][ T67] RSP: 0018:ffa0000000487878 EFLAGS: 00010286
[ 98.666940][ T67] RAX: 00000000ffffffa6 RBX: ff1100000ce98340 RCX: 1ff4000000090ed5
[ 98.667174][ T67] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ce983f0
[ 98.667353][ T67] RBP: ff11000008841000 R08: 1fe22000019d307f R09: ff11000008bd8bd0
[ 98.667530][ T67] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 98.667714][ T67] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 98.667893][ T67] FS: 0000000000000000(0000) GS:ff110000a6fd3000(0000) knlGS:0000000000000000
[ 98.668157][ T67] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 98.668308][ T67] CR2: 00007f46fbbe4f98 CR3: 0000000034739004 CR4: 0000000000771ef0
[ 98.668486][ T67] PKRU: 55555554
[ 98.668577][ T67] Call Trace:
[ 98.668666][ T67]
[ 98.668728][ T67] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 98.668886][ T67] ? unregister_netdevice_queued+0x80/0x80
[ 98.669084][ T67] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 98.669212][ T67] default_device_exit_batch+0x38b/0x600
[ 98.669331][ T67] ? generic_xdp_install+0x400/0x400
[ 98.669451][ T67] ? ipmr_free_table+0x12e/0x2a0
[ 98.669572][ T67] ? unregister_netdev+0x60/0x60
[ 98.669690][ T67] ? rtnl_is_locked+0x15/0x20
[ 98.669807][ T67] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 98.669930][ T67] ops_undo_list+0x2ce/0x8f0
[ 98.670100][ T67] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 98.670227][ T67] ? __lock_release.isra.0+0x6b/0x1a0
[ 98.670349][ T67] cleanup_net+0x431/0x890
[ 98.670472][ T67] ? net_passive_dec+0x1c0/0x1c0
[ 98.670592][ T67] ? process_one_work+0xdb7/0x1410
[ 98.670713][ T67] ? lock_acquire+0x134/0x160
[ 98.670837][ T67] ? rcu_is_watching+0x15/0xd0
[ 98.671003][ T67] process_one_work+0xdf8/0x1410
[ 98.671134][ T67] ? pwq_dec_nr_in_flight+0x710/0x710
[ 98.671254][ T67] ? lock_acquire.part.0+0xbc/0x260
[ 98.671379][ T67] worker_thread+0x4f1/0xd60
[ 98.671500][ T67] ? rescuer_thread+0x1320/0x1320
[ 98.671624][ T67] ? __kthread_parkme+0xbd/0x210
[ 98.671744][ T67] ? rescuer_thread+0x1320/0x1320
[ 98.671864][ T67] kthread+0x367/0x460
[ 98.671978][ T67] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 98.672137][ T67] ? kthread_affine_node+0x330/0x330
[ 98.672257][ T67] ret_from_fork+0x474/0x6b0
[ 98.672379][ T67] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 98.672534][ T67] ? __switch_to+0x5a3/0xe00
[ 98.672654][ T67] ? kthread_affine_node+0x330/0x330
[ 98.672773][ T67] ret_from_fork_asm+0x11/0x20
[ 98.672902][ T67]
[ 98.673041][ T67] irq event stamp: 4195
[ 98.673136][ T67] hardirqs last enabled at (4203): [] __up_console_sem+0x5a/0x70
[ 98.673346][ T67] hardirqs last disabled at (4210): [] __up_console_sem+0x3f/0x70
[ 98.673553][ T67] softirqs last enabled at (4126): [] handle_softirqs+0x611/0x940
[ 98.673760][ T67] softirqs last disabled at (4083): [] __irq_exit_rcu+0x103/0x1c0
[ 98.673984][ T67] ---[ end trace 0000000000000000 ]---