[ 10.255918][ T167] ------------[ cut here ]------------
[ 10.256178][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: unshare/167
[ 10.256527][ T167] Modules linked in:
[ 10.256721][ T167] CPU: 2 UID: 0 PID: 167 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 10.257079][ T167] Tainted: [W]=WARN
[ 10.257298][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.257523][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 10.257753][ 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
[ 10.258379][ T167] RSP: 0018:ffa00000007e7ab0 EFLAGS: 00010286
[ 10.258605][ T167] RAX: 00000000ffffffa6 RBX: ff1100000955d0c0 RCX: 1ff40000000fcf1c
[ 10.259449][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000955d170
[ 10.259705][ T167] RBP: ff11000008d04000 R08: 1fe22000012aba2f R09: ff1100000c3c2e80
[ 10.259973][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 10.260244][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d04000
[ 10.260500][ T167] FS: 00007fcc8b1cd740(0000) GS:ff11000078cd3000(0000) knlGS:0000000000000000
[ 10.260790][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.261024][ T167] CR2: 0000562be3d44310 CR3: 000000000cf17003 CR4: 0000000000771ef0
[ 10.261309][ T167] PKRU: 55555554
[ 10.261509][ T167] Call Trace:
[ 10.261781][ T167]
[ 10.261927][ T167] ? ip6_route_dev_notify+0x250/0x380
[ 10.262125][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 10.262330][ T167] ? notifier_call_chain+0xb0/0x320
[ 10.262519][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 10.262675][ T167] register_netdevice+0x137a/0x1980
[ 10.262877][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 10.263110][ T167] register_netdev+0x23/0x40
[ 10.263305][ T167] loopback_net_init+0x7d/0x150
[ 10.263497][ T167] ops_init+0x187/0x560
[ 10.263652][ T167] setup_net+0x11b/0x3b0
[ 10.263805][ T167] ? unregister_pernet_device+0x80/0x80
[ 10.264003][ T167] ? lockdep_init_map_type+0x5d/0x250
[ 10.264211][ T167] ? mutex_init_lockdep+0xf6/0x120
[ 10.264413][ T167] copy_net_ns+0x2fd/0x450
[ 10.264604][ T167] create_new_namespaces+0x371/0xa10
[ 10.264795][ T167] unshare_nsproxy_namespaces+0xa5/0x150
[ 10.264995][ T167] ksys_unshare+0x47e/0x8c0
[ 10.265198][ T167] ? walk_process_tree+0x350/0x350
[ 10.265388][ T167] __x64_sys_unshare+0x34/0x50
[ 10.265573][ T167] ? do_syscall_64+0x82/0xfc0
[ 10.265759][ T167] do_syscall_64+0x117/0xfc0
[ 10.265966][ T167] ? trace_hardirqs_off+0xd/0x30
[ 10.266171][ T167] ? exc_page_fault+0xee/0x100
[ 10.266371][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 10.266595][ T167] RIP: 0033:0x7fcc8b2c8bcb
[ 10.266793][ 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
[ 10.267378][ T167] RSP: 002b:00007ffc0eaa9578 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 10.267633][ T167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcc8b2c8bcb
[ 10.267899][ T167] RDX: 0000000000000000 RSI: 00007ffc0eaa92e0 RDI: 0000000040000000
[ 10.268161][ T167] RBP: 00007ffc0eaa9900 R08: 00007ffc0eaa94d0 R09: 0000000000000000
[ 10.268420][ T167] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 10.268671][ T167] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000562be3d47b68
[ 10.268945][ T167]
[ 10.269106][ T167] irq event stamp: 14877
[ 10.269269][ T167] hardirqs last enabled at (14887): [] __up_console_sem+0x5a/0x70
[ 10.269562][ T167] hardirqs last disabled at (14896): [] __up_console_sem+0x3f/0x70
[ 10.269863][ T167] softirqs last enabled at (14742): [] handle_softirqs+0x611/0x940
[ 10.270161][ T167] softirqs last disabled at (14729): [] __irq_exit_rcu+0x103/0x1c0
[ 10.270460][ T167] ---[ end trace 0000000000000000 ]---
[ 10.288473][ T167] ------------[ cut here ]------------
[ 10.288654][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 10.289297][ T167] Modules linked in:
[ 10.289448][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 10.289793][ T167] Tainted: [W]=WARN
[ 10.289949][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.290161][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 10.290388][ 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
[ 10.290888][ T167] RSP: 0018:ffa00000007e7b58 EFLAGS: 00010286
[ 10.291110][ T167] RAX: 00000000ffffffa6 RBX: ff1100000b67e040 RCX: 1ff40000000fcf31
[ 10.291349][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b67e0f0
[ 10.291586][ T167] RBP: ff1100000b568000 R08: 1fe22000016cfc1f R09: ff1100000c3c2e58
[ 10.291817][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 10.292069][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b568000
[ 10.292312][ T167] FS: 000000000d8b2400(0000) GS:ff11000078cd3000(0000) knlGS:0000000000000000
[ 10.292580][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.292785][ T167] CR2: 00007fe9bf5e3000 CR3: 000000000c3e5004 CR4: 0000000000771ef0
[ 10.293038][ T167] PKRU: 55555554
[ 10.293187][ T167] Call Trace:
[ 10.293330][ T167]
[ 10.293445][ T167] ? ip6_route_dev_notify+0x3d/0x380
[ 10.293625][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 10.293800][ T167] ? notifier_call_chain+0xb0/0x320
[ 10.293987][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 10.294146][ T167] register_netdevice+0x137a/0x1980
[ 10.294336][ T167] ? unregister_netdevice_queue+0x470/0x470
[ 10.294540][ T167] ? alloc_netdev_mqs+0xec0/0x1410
[ 10.294716][ T167] tun_set_iff.constprop.0+0xc61/0x1850
[ 10.294908][ T167] ? tun_attach.isra.0+0x1630/0x1630
[ 10.295093][ T167] ? tun_get+0x106/0x240
[ 10.295255][ T167] __tun_chr_ioctl+0x4b0/0x2470
[ 10.295430][ T167] ? build_open_flags+0x620/0x620
[ 10.295605][ T167] ? tun_chr_read_iter+0x210/0x210
[ 10.295778][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 10.295968][ T167] ? __x64_sys_openat+0x10e/0x210
[ 10.296159][ T167] ? fput_close_sync+0xde/0x1b0
[ 10.296338][ T167] ? __ia32_sys_open+0x1b0/0x1b0
[ 10.296513][ T167] __x64_sys_ioctl+0x11a/0x190
[ 10.296688][ T167] do_syscall_64+0x117/0xfc0
[ 10.296874][ T167] ? trace_hardirqs_off+0xd/0x30
[ 10.297056][ T167] ? exc_page_fault+0xee/0x100
[ 10.297247][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 10.297449][ T167] RIP: 0033:0x47cc8d
[ 10.297601][ 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
[ 10.298114][ T167] RSP: 002b:00007fff22d43ea0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 10.298361][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 10.298596][ T167] RDX: 00007fff22d43f20 RSI: 00000000400454ca RDI: 0000000000000005
[ 10.298841][ T167] RBP: 00007fff22d43ef0 R08: 0000000000000000 R09: 0000000000000000
[ 10.299081][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff22d443f8
[ 10.299327][ T167] R13: 00007fff22d44480 R14: 0000000000000002 R15: 0000000000543540
[ 10.299570][ T167]
[ 10.299710][ T167] irq event stamp: 28747
[ 10.299866][ T167] hardirqs last enabled at (28759): [] __up_console_sem+0x5a/0x70
[ 10.300137][ T167] hardirqs last disabled at (28768): [] __up_console_sem+0x3f/0x70
[ 10.300410][ T167] softirqs last enabled at (28216): [] handle_softirqs+0x611/0x940
[ 10.300677][ T167] softirqs last disabled at (27623): [] __irq_exit_rcu+0x103/0x1c0
[ 10.300952][ T167] ---[ end trace 0000000000000000 ]---
[ 10.301457][ T167] ------------[ cut here ]------------
[ 10.301624][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 10.301927][ T167] Modules linked in:
[ 10.302080][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 10.302415][ T167] Tainted: [W]=WARN
[ 10.302556][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.302755][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 10.302978][ 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
[ 10.303485][ T167] RSP: 0018:ffa00000007e7c58 EFLAGS: 00010286
[ 10.303697][ T167] RAX: 00000000ffffffa6 RBX: ff1100000b67fcc0 RCX: 1ff40000000fcf51
[ 10.303940][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b67fd70
[ 10.304190][ T167] RBP: ff1100000b568000 R08: 1fe22000016cffaf R09: ff1100000c3c2e58
[ 10.304423][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[ 10.304651][ T167] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[ 10.304895][ T167] FS: 000000000d8b2400(0000) GS:ff11000078cd3000(0000) knlGS:0000000000000000
[ 10.305173][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.305380][ T167] CR2: 00007fe9bf5e3000 CR3: 000000000c3e5004 CR4: 0000000000771ef0
[ 10.305611][ T167] PKRU: 55555554
[ 10.305750][ T167] Call Trace:
[ 10.305904][ T167]
[ 10.306017][ T167] ? rcu_is_watching+0x15/0xd0
[ 10.306211][ T167] rtnetlink_event+0xe0/0x1f0
[ 10.306387][ T167] notifier_call_chain+0xb0/0x320
[ 10.306564][ T167] netdev_update_features+0xa9/0xb0
[ 10.306734][ T167] ? netdev_sync_lower_features+0x4c0/0x4c0
[ 10.306950][ T167] __tun_chr_ioctl+0xc7f/0x2470
[ 10.307135][ T167] ? tun_chr_read_iter+0x210/0x210
[ 10.307320][ T167] ? fd_install+0x19b/0x3d0
[ 10.307495][ T167] ? update_socket_protocol+0x10/0x10
[ 10.307671][ T167] ? alloc_file_clone+0xe0/0xe0
[ 10.307859][ T167] __x64_sys_ioctl+0x11a/0x190
[ 10.308040][ T167] do_syscall_64+0x117/0xfc0
[ 10.308220][ T167] ? trace_hardirqs_off+0xd/0x30
[ 10.308399][ T167] ? exc_page_fault+0xee/0x100
[ 10.308571][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 10.308770][ T167] RIP: 0033:0x47cc8d
[ 10.308933][ 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
[ 10.309431][ T167] RSP: 002b:00007fff22d43ee0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 10.309662][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 10.309905][ T167] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 10.310147][ T167] RBP: 00007fff22d43f30 R08: 0000000000000000 R09: 0000000000000000
[ 10.310382][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff22d443f8
[ 10.310617][ T167] R13: 00007fff22d44480 R14: 0000000000000002 R15: 0000000000543540
[ 10.310872][ T167]
[ 10.311012][ T167] irq event stamp: 29529
[ 10.311165][ T167] hardirqs last enabled at (29539): [] __up_console_sem+0x5a/0x70
[ 10.311429][ T167] hardirqs last disabled at (29548): [] __up_console_sem+0x3f/0x70
[ 10.311696][ T167] softirqs last enabled at (29020): [] __alloc_skb+0x4c5/0x5f0
[ 10.311973][ T167] softirqs last disabled at (29018): [] __alloc_skb+0x4c5/0x5f0
[ 10.312254][ T167] ---[ end trace 0000000000000000 ]---
[ 10.319192][ T167] ------------[ cut here ]------------
[ 10.319383][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 10.319689][ T167] Modules linked in:
[ 10.319894][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 10.320260][ T167] Tainted: [W]=WARN
[ 10.320409][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.320621][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 10.320860][ 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
[ 10.321385][ T167] RSP: 0018:ffa00000007e7850 EFLAGS: 00010286
[ 10.321599][ T167] RAX: 00000000ffffffa6 RBX: ff1100000b67f0c0 RCX: 1ff40000000fced0
[ 10.321859][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b67f170
[ 10.322109][ T167] RBP: ff1100000b568000 R08: 1fe22000016cfe2f R09: ff1100000c3c2e58
[ 10.322357][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[ 10.322597][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058b8900
[ 10.322859][ T167] FS: 000000000d8b2400(0000) GS:ff11000078cd3000(0000) knlGS:0000000000000000
[ 10.323146][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.323368][ T167] CR2: 00007fe9bf5e3000 CR3: 000000000c3e5004 CR4: 0000000000771ef0
[ 10.323613][ T167] PKRU: 55555554
[ 10.323759][ T167] Call Trace:
[ 10.323918][ T167]
[ 10.324043][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 10.324239][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 10.324390][ T167] ? mark_held_locks+0x40/0x70
[ 10.324569][ T167] __dev_notify_flags+0x1b8/0x280
[ 10.324754][ T167] ? netif_change_name+0x8c0/0x8c0
[ 10.324950][ T167] ? __dev_change_flags+0x4a4/0x660
[ 10.325142][ T167] ? netif_set_allmulti+0x250/0x250
[ 10.325329][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 10.325514][ T167] netif_change_flags+0xfe/0x190
[ 10.325693][ T167] ? cap_capable+0x1d6/0x3e0
[ 10.325888][ T167] dev_change_flags+0xa5/0x170
[ 10.326078][ T167] devinet_ioctl+0x10f0/0x1840
[ 10.326273][ T167] ? inet_ifa_byprefix+0x220/0x220
[ 10.326454][ T167] ? _copy_from_user+0x42/0x90
[ 10.326638][ T167] inet_ioctl+0x34b/0x3a0
[ 10.326789][ T167] ? inet_dgram_connect+0x3e0/0x3e0
[ 10.326986][ T167] ? __lock_acquire+0x508/0xc10
[ 10.327188][ T167] ? __might_fault+0x97/0x140
[ 10.327372][ T167] ? __might_fault+0x97/0x140
[ 10.327563][ T167] sock_do_ioctl+0x10e/0x270
[ 10.327745][ T167] ? __sock_recv_cmsgs+0x550/0x550
[ 10.327942][ T167] ? ioctl_file_clone+0xd0/0xd0
[ 10.328137][ T167] sock_ioctl+0x3cb/0x5f0
[ 10.328301][ T167] ? br_ioctl_call+0x80/0x80
[ 10.328487][ T167] ? fd_install+0x19b/0x3d0
[ 10.328671][ T167] ? update_socket_protocol+0x10/0x10
[ 10.328870][ T167] ? alloc_file_clone+0xe0/0xe0
[ 10.329062][ T167] __x64_sys_ioctl+0x11a/0x190
[ 10.329261][ T167] do_syscall_64+0x117/0xfc0
[ 10.329440][ T167] ? trace_hardirqs_off+0xd/0x30
[ 10.329707][ T167] ? exc_page_fault+0xee/0x100
[ 10.329906][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 10.330127][ T167] RIP: 0033:0x47cc8d
[ 10.330289][ 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
[ 10.330894][ T167] RSP: 002b:00007fff22d43ec0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 10.331247][ T167] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000000000047cc8d
[ 10.331495][ T167] RDX: 00007fff22d43f30 RSI: 0000000000008914 RDI: 0000000000000006
[ 10.331735][ T167] RBP: 00007fff22d43f10 R08: 0000000000000000 R09: 0000000000000000
[ 10.332084][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff22d443f8
[ 10.332338][ T167] R13: 00007fff22d44480 R14: 0000000000000002 R15: 0000000000543540
[ 10.332590][ T167]
[ 10.332838][ T167] irq event stamp: 37685
[ 10.332985][ T167] hardirqs last enabled at (37695): [] __up_console_sem+0x5a/0x70
[ 10.333278][ T167] hardirqs last disabled at (37704): [] __up_console_sem+0x3f/0x70
[ 10.333638][ T167] softirqs last enabled at (36998): [] __alloc_skb+0x4c5/0x5f0
[ 10.333925][ T167] softirqs last disabled at (36996): [] __alloc_skb+0x4c5/0x5f0
[ 10.334300][ T167] ---[ end trace 0000000000000000 ]---
[ 100.190675][ T167] ------------[ cut here ]------------
[ 100.190936][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 100.191292][ T167] Modules linked in:
[ 100.191455][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 100.191861][ T167] Tainted: [W]=WARN
[ 100.192019][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 100.192258][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 100.192495][ 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
[ 100.193636][ T167] RSP: 0018:ffa00000007e76f0 EFLAGS: 00010286
[ 100.194627][ T167] RAX: 00000000ffffffa6 RBX: ff1100000298bb40 RCX: 1ff40000000fcea4
[ 100.195399][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000298bbf0
[ 100.195657][ T167] RBP: ff1100000b568000 R08: 1fe220000053177f R09: ff1100000c3c2e58
[ 100.195941][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[ 100.196208][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000007e7790
[ 100.196477][ T167] FS: 0000000000000000(0000) GS:ff11000078cd3000(0000) knlGS:0000000000000000
[ 100.196782][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 100.197016][ T167] CR2: 00005600e3b48c60 CR3: 0000000014739001 CR4: 0000000000771ef0
[ 100.197284][ T167] PKRU: 55555554
[ 100.197438][ T167] Call Trace:
[ 100.197590][ T167]
[ 100.197714][ T167] rtmsg_ifinfo_event.part.0+0x2c/0x130
[ 100.197933][ T167] rtmsg_ifinfo+0x5c/0xb0
[ 100.198094][ T167] netif_close_many+0x2ac/0x640
[ 100.198296][ T167] ? asym_cpu_capacity_scan+0xa60/0xa60
[ 100.198488][ T167] ? lock_acquire.part.0+0xbc/0x260
[ 100.198679][ T167] ? find_held_lock+0x2b/0x80
[ 100.198891][ T167] ? __dev_close_many+0x530/0x530
[ 100.199081][ T167] ? netif_close_many_and_unlock+0x22/0x2c0
[ 100.199319][ T167] unregister_netdevice_many_notify+0x671/0x19a0
[ 100.199547][ T167] ? select_fallback_rq+0x510/0x510
[ 100.199740][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 100.199981][ T167] ? find_held_lock+0x2b/0x80
[ 100.200174][ T167] ? find_held_lock+0x2b/0x80
[ 100.200363][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 100.200555][ T167] ? __queue_work+0x315/0xc00
[ 100.200745][ T167] unregister_netdevice_queue+0x290/0x470
[ 100.200959][ T167] ? mark_held_locks+0x40/0x70
[ 100.201150][ T167] ? unregister_netdevice_many+0x20/0x20
[ 100.201357][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 100.201558][ T167] ? queue_delayed_work_on+0x95/0x100
[ 100.201785][ T167] __tun_detach+0xf36/0x1320
[ 100.202034][ T167] tun_chr_close+0xac/0x1b0
[ 100.202281][ T167] __fput+0x363/0xac0
[ 100.202474][ T167] task_work_run+0x12b/0x240
[ 100.202708][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 100.202948][ T167] ? task_work_cancel+0x30/0x30
[ 100.203145][ T167] ? kmem_cache_free+0xf8/0x560
[ 100.203344][ T167] do_exit+0x614/0xdc0
[ 100.203502][ T167] ? exit_notify+0x890/0x890
[ 100.203691][ T167] ? find_held_lock+0x2b/0x80
[ 100.203907][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 100.204099][ T167] ? __rwlock_init+0x150/0x150
[ 100.204306][ T167] do_group_exit+0xb8/0x370
[ 100.204495][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 100.204718][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 100.204932][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 100.205125][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 100.205323][ T167] get_signal+0x172e/0x1820
[ 100.205520][ T167] ? __sys_sendto+0x2c9/0x400
[ 100.205710][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 100.205926][ T167] ? ptrace_signal+0x600/0x600
[ 100.206119][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 100.206323][ T167] ? get_sigframe_size+0x20/0x20
[ 100.206524][ T167] ? rcu_is_watching+0x15/0xd0
[ 100.206719][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 100.207014][ T167] exit_to_user_mode_loop+0x86/0x520
[ 100.207349][ T167] ? rcu_is_watching+0x15/0xd0
[ 100.207574][ T167] do_syscall_64+0x437/0xfc0
[ 100.207764][ T167] ? irq_exit_rcu+0x1a/0x30
[ 100.208014][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 100.208347][ T167] RIP: 0033:0x4c2d9e
[ 100.208509][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 100.208761][ T167] RSP: 002b:00007fff22d43850 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 100.209247][ T167] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 100.209502][ T167] RDX: 0000000000000014 RSI: 00007fff22d43930 RDI: 0000000000000007
[ 100.209754][ T167] RBP: 00007fff22d43860 R08: 00007fff22d438f0 R09: 000000000000000c
[ 100.210125][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000d8bd980
[ 100.210384][ T167] R13: 00007fff22d44480 R14: 00007fff22d43a20 R15: 0000000000543540
[ 100.210644][ T167]
[ 100.210909][ T167] irq event stamp: 132854451
[ 100.211112][ T167] hardirqs last enabled at (132854461): [] __up_console_sem+0x5a/0x70
[ 100.211412][ T167] hardirqs last disabled at (132854470): [] __up_console_sem+0x3f/0x70
[ 100.211797][ T167] softirqs last enabled at (132853712): [] handle_softirqs+0x611/0x940
[ 100.212098][ T167] softirqs last disabled at (132852923): [] __irq_exit_rcu+0x103/0x1c0
[ 100.212483][ T167] ---[ end trace 0000000000000000 ]---
[ 100.217336][ T167] ------------[ cut here ]------------
[ 100.217524][ T167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: packetdrill/167
[ 100.217855][ T167] Modules linked in:
[ 100.218012][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 100.218375][ T167] Tainted: [W]=WARN
[ 100.218526][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 100.218742][ T167] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 100.219529][ 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
[ 100.220610][ T167] RSP: 0018:ffa00000007e7820 EFLAGS: 00010286
[ 100.221372][ T167] RAX: 00000000ffffffa6 RBX: ff11000009565540 RCX: 1ff40000000fceca
[ 100.222142][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095655f0
[ 100.222719][ T167] RBP: ff1100000b568000 R08: 1fe22000012acabf R09: ff1100000c3c2e58
[ 100.222985][ T167] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[ 100.223243][ T167] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 100.223493][ T167] FS: 0000000000000000(0000) GS:ff11000078cd3000(0000) knlGS:0000000000000000
[ 100.223781][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 100.224009][ T167] CR2: 00005600e3b48c60 CR3: 0000000014739001 CR4: 0000000000771ef0
[ 100.224269][ T167] PKRU: 55555554
[ 100.224418][ T167] Call Trace:
[ 100.224566][ T167]
[ 100.224685][ T167] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 100.224925][ T167] ? unregister_netdevice_queued+0x80/0x80
[ 100.225139][ T167] ? find_held_lock+0x2b/0x80
[ 100.225353][ T167] ? find_held_lock+0x2b/0x80
[ 100.225538][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 100.225721][ T167] ? __queue_work+0x315/0xc00
[ 100.225930][ T167] unregister_netdevice_queue+0x290/0x470
[ 100.226114][ T167] ? mark_held_locks+0x40/0x70
[ 100.226306][ T167] ? unregister_netdevice_many+0x20/0x20
[ 100.226488][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 100.226669][ T167] ? queue_delayed_work_on+0x95/0x100
[ 100.226875][ T167] __tun_detach+0xf36/0x1320
[ 100.227063][ T167] tun_chr_close+0xac/0x1b0
[ 100.227259][ T167] __fput+0x363/0xac0
[ 100.227416][ T167] task_work_run+0x12b/0x240
[ 100.227598][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 100.227789][ T167] ? task_work_cancel+0x30/0x30
[ 100.227987][ T167] ? kmem_cache_free+0xf8/0x560
[ 100.228175][ T167] do_exit+0x614/0xdc0
[ 100.228327][ T167] ? exit_notify+0x890/0x890
[ 100.228508][ T167] ? find_held_lock+0x2b/0x80
[ 100.228692][ T167] ? __lock_release.isra.0+0x6b/0x1a0
[ 100.228898][ T167] ? __rwlock_init+0x150/0x150
[ 100.229082][ T167] do_group_exit+0xb8/0x370
[ 100.229272][ T167] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 100.229486][ T167] ? lockdep_hardirqs_on+0x8c/0x130
[ 100.229666][ T167] ? _raw_spin_unlock_irq+0x28/0x50
[ 100.229871][ T167] ? _raw_spin_unlock_irq+0x33/0x50
[ 100.230052][ T167] get_signal+0x172e/0x1820
[ 100.230248][ T167] ? __sys_sendto+0x2c9/0x400
[ 100.230432][ T167] ? __ia32_sys_getpeername+0xd0/0xd0
[ 100.230615][ T167] ? ptrace_signal+0x600/0x600
[ 100.230807][ T167] arch_do_signal_or_restart+0xc2/0x3a0
[ 100.231004][ T167] ? get_sigframe_size+0x20/0x20
[ 100.231195][ T167] ? rcu_is_watching+0x15/0xd0
[ 100.231380][ T167] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 100.231595][ T167] exit_to_user_mode_loop+0x86/0x520
[ 100.231787][ T167] ? rcu_is_watching+0x15/0xd0
[ 100.231983][ T167] do_syscall_64+0x437/0xfc0
[ 100.232167][ T167] ? irq_exit_rcu+0x1a/0x30
[ 100.232351][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 100.232565][ T167] RIP: 0033:0x4c2d9e
[ 100.232721][ T167] Code: Unable to access opcode bytes at 0x4c2d74.
[ 100.232965][ T167] RSP: 002b:00007fff22d43850 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 100.233223][ T167] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 100.233466][ T167] RDX: 0000000000000014 RSI: 00007fff22d43930 RDI: 0000000000000007
[ 100.233709][ T167] RBP: 00007fff22d43860 R08: 00007fff22d438f0 R09: 000000000000000c
[ 100.233986][ T167] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000d8bd980
[ 100.234245][ T167] R13: 00007fff22d44480 R14: 00007fff22d43a20 R15: 0000000000543540
[ 100.234496][ T167]
[ 100.234642][ T167] irq event stamp: 132866769
[ 100.234847][ T167] hardirqs last enabled at (132866781): [] __up_console_sem+0x5a/0x70
[ 100.235127][ T167] hardirqs last disabled at (132866790): [] __up_console_sem+0x3f/0x70
[ 100.235415][ T167] softirqs last enabled at (132866304): [] handle_softirqs+0x611/0x940
[ 100.235691][ T167] softirqs last disabled at (132866291): [] __irq_exit_rcu+0x103/0x1c0
[ 100.235989][ T167] ---[ end trace 0000000000000000 ]---
[ 100.259318][ T68] ------------[ cut here ]------------
[ 100.259540][ T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: kworker/u16:1/68
[ 100.259814][ T68] Modules linked in:
[ 100.259978][ T68] CPU: 0 UID: 0 PID: 68 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(full)
[ 100.260267][ T68] Tainted: [W]=WARN
[ 100.260361][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 100.260516][ T68] Workqueue: netns cleanup_net
[ 100.260656][ T68] RIP: 0010:rtmsg_ifinfo_build_skb+0x1a6/0x250
[ 100.260977][ T68] 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
[ 100.261419][ T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[ 100.261580][ T68] RAX: 00000000ffffffa6 RBX: ff11000009564940 RCX: 1ff4000000092ed5
[ 100.261765][ T68] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095649f0
[ 100.261998][ T68] RBP: ff11000008d04000 R08: 1fe22000012ac93f R09: ff11000008cc2ed0
[ 100.262183][ T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 100.262363][ T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 100.262549][ T68] FS: 0000000000000000(0000) GS:ff11000078bd3000(0000) knlGS:0000000000000000
[ 100.262764][ T68] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 100.262930][ T68] CR2: 00007fcdca6f8680 CR3: 0000000014739001 CR4: 0000000000771ef0
[ 100.263121][ T68] PKRU: 55555554
[ 100.263240][ T68] Call Trace:
[ 100.263366][ T68]
[ 100.263456][ T68] unregister_netdevice_many_notify+0x12ca/0x19a0
[ 100.263652][ T68] ? unregister_netdevice_queued+0x80/0x80
[ 100.263814][ T68] ? perf_trace_sched_switch+0x7d0/0x7d0
[ 100.263946][ T68] default_device_exit_batch+0x38b/0x600
[ 100.264068][ T68] ? generic_xdp_install+0x400/0x400
[ 100.264195][ T68] ? ipmr_free_table+0x12e/0x2a0
[ 100.264320][ T68] ? unregister_netdev+0x60/0x60
[ 100.264443][ T68] ? rtnl_is_locked+0x15/0x20
[ 100.264565][ T68] ? nexthop_net_exit_rtnl+0x1f/0x260
[ 100.264688][ T68] ops_undo_list+0x2ce/0x8f0
[ 100.264814][ T68] ? rtnl_net_dumpid_one+0x2d0/0x2d0
[ 100.264941][ T68] ? __lock_release.isra.0+0x6b/0x1a0
[ 100.265067][ T68] cleanup_net+0x431/0x890
[ 100.265214][ T68] ? net_passive_dec+0x1c0/0x1c0
[ 100.265336][ T68] ? process_one_work+0xdb7/0x1410
[ 100.265463][ T68] ? lock_acquire+0x134/0x160
[ 100.265585][ T68] ? rcu_is_watching+0x15/0xd0
[ 100.265714][ T68] process_one_work+0xdf8/0x1410
[ 100.265867][ T68] ? pwq_dec_nr_in_flight+0x710/0x710
[ 100.265989][ T68] ? lock_acquire.part.0+0xbc/0x260
[ 100.266115][ T68] worker_thread+0x4f1/0xd60
[ 100.266242][ T68] ? rescuer_thread+0x1320/0x1320
[ 100.266367][ T68] ? __kthread_parkme+0xbd/0x210
[ 100.266491][ T68] ? rescuer_thread+0x1320/0x1320
[ 100.266613][ T68] kthread+0x367/0x460
[ 100.266707][ T68] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 100.266873][ T68] ? kthread_affine_node+0x330/0x330
[ 100.266997][ T68] ret_from_fork+0x474/0x6b0
[ 100.267120][ T68] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 100.267278][ T68] ? __switch_to+0x5a3/0xe00
[ 100.267402][ T68] ? kthread_affine_node+0x330/0x330
[ 100.267526][ T68] ret_from_fork_asm+0x11/0x20
[ 100.267656][ T68]
[ 100.267750][ T68] irq event stamp: 5391
[ 100.267852][ T68] hardirqs last enabled at (5401): [] __up_console_sem+0x5a/0x70
[ 100.268064][ T68] hardirqs last disabled at (5408): [] __up_console_sem+0x3f/0x70
[ 100.268281][ T68] softirqs last enabled at (5000): [] handle_softirqs+0x611/0x940
[ 100.268491][ T68] softirqs last disabled at (4785): [] __irq_exit_rcu+0x103/0x1c0
[ 100.268701][ T68] ---[ end trace 0000000000000000 ]---