[ 2.377250] ------------[ cut here ]------------
[ 2.377297] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: unshare/157
[ 2.377440] Modules linked in:
[ 2.377569] CPU: 3 UID: 0 PID: 157 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.377627] Tainted: [W]=WARN
[ 2.377791] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.377927] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.377991] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 b2 fb ff b9 a6 ff ff
[ 2.378042] RSP: 0018:ff7439b9803dfcc8 EFLAGS: 00010286
[ 2.378201] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.378290] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48d0b6c1deb800
[ 2.378401] RBP: 0000000000000000 R08: ff48d0b6c310e550 R09: ff48d0b6c4a5302c
[ 2.378430] R10: ff48d0b6c19be118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.378576] R13: 0000000000000010 R14: ff48d0b6c19be000 R15: ff48d0b6c1deb800
[ 2.378737] FS: 00007fa39780f740(0000) GS:ff48d0b747016000(0000) knlGS:0000000000000000
[ 2.378965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.378999] CR2: 0000560393b9c310 CR3: 00000000048c8004 CR4: 0000000000771ef0
[ 2.379096] PKRU: 55555554
[ 2.379223] Call Trace:
[ 2.379242]
[ 2.379252] rtmsg_ifinfo+0x3c/0xa0
[ 2.379375] register_netdevice+0x889/0x9f0
[ 2.379498] register_netdev+0x1e/0x30
[ 2.379571] loopback_net_init+0x57/0xb0
[ 2.379587] ? vsock_sysctl_init_net+0xb6/0x140
[ 2.379728] ops_init+0x68/0x140
[ 2.379869] setup_net+0x85/0x150
[ 2.379888] copy_net_ns+0xf5/0x200
[ 2.379993] create_new_namespaces+0x117/0x2f0
[ 2.380050] unshare_nsproxy_namespaces+0x85/0xb0
[ 2.380138] ksys_unshare+0x346/0x5e0
[ 2.380259] __x64_sys_unshare+0x12/0x20
[ 2.380314] do_syscall_64+0x104/0xfc0
[ 2.380399] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.380461] RIP: 0033:0x7fa39790abcb
[ 2.380550] 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
[ 2.380678] RSP: 002b:00007ffc9449d578 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 2.380824] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa39790abcb
[ 2.380972] RDX: 0000000000000000 RSI: 00007ffc9449d2e0 RDI: 0000000040000000
[ 2.380993] RBP: 00007ffc9449d900 R08: 00007ffc9449d4d0 R09: 0000000000000000
[ 2.381104] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 2.381125] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000560393b9fb68
[ 2.381260]
[ 2.381382] ---[ end trace 0000000000000000 ]---
[ 2.385321] ------------[ cut here ]------------
[ 2.385352] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/157
[ 2.385415] Modules linked in:
[ 2.385530] CPU: 3 UID: 0 PID: 157 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.385588] Tainted: [W]=WARN
[ 2.385725] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.385858] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.385933] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 b2 fb ff b9 a6 ff ff
[ 2.385986] RSP: 0018:ff7439b9803dfd68 EFLAGS: 00010286
[ 2.386159] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.386267] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48d0b6c1deb800
[ 2.386290] RBP: 0000000000000000 R08: ff48d0b6c19169d0 R09: ff48d0b6c4a50030
[ 2.386392] R10: ff48d0b6c4980118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.386520] R13: 0000000000000010 R14: ff48d0b6c4980000 R15: ff48d0b6c1deb800
[ 2.386646] FS: 000000003072f400(0000) GS:ff48d0b747016000(0000) knlGS:0000000000000000
[ 2.386857] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.386959] CR2: 00007f9314d66000 CR3: 0000000004a15005 CR4: 0000000000771ef0
[ 2.386982] PKRU: 55555554
[ 2.387096] Call Trace:
[ 2.387113]
[ 2.387171] rtmsg_ifinfo+0x3c/0xa0
[ 2.387186] register_netdevice+0x889/0x9f0
[ 2.387284] __tun_chr_ioctl+0x83c/0x16c0
[ 2.387343] ? do_sys_openat2+0x9a/0xe0
[ 2.387409] __x64_sys_ioctl+0xa1/0xe0
[ 2.387435] do_syscall_64+0x104/0xfc0
[ 2.387572] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.387594] RIP: 0033:0x47cc8d
[ 2.387687] 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
[ 2.387820] RSP: 002b:00007fffa07a0ca0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.388024] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.388051] RDX: 00007fffa07a0d20 RSI: 00000000400454ca RDI: 0000000000000005
[ 2.388153] RBP: 00007fffa07a0cf0 R08: 0000000000000000 R09: 0000000000000000
[ 2.388279] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffa07a11f8
[ 2.388300] R13: 00007fffa07a1278 R14: 0000000000000002 R15: 0000000000543540
[ 2.388437]
[ 2.388531] ---[ end trace 0000000000000000 ]---
[ 2.388580] ------------[ cut here ]------------
[ 2.388788] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/157
[ 2.388941] Modules linked in:
[ 2.388954] CPU: 3 UID: 0 PID: 157 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.389063] Tainted: [W]=WARN
[ 2.389175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.389198] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.389309] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 b2 fb ff b9 a6 ff ff
[ 2.389361] RSP: 0018:ff7439b9803dfd60 EFLAGS: 00010286
[ 2.389491] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 2.389517] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48d0b6c1deb800
[ 2.389643] RBP: 0000000000000002 R08: ff48d0b6c19169d0 R09: ff48d0b6c4a50030
[ 2.389669] R10: ff48d0b6c4980118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.389818] R13: 0000000000000010 R14: ff48d0b6c4980000 R15: ff48d0b6c1deb800
[ 2.389841] FS: 000000003072f400(0000) GS:ff48d0b747016000(0000) knlGS:0000000000000000
[ 2.389969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.390162] CR2: 00007f9314d66000 CR3: 0000000004a15005 CR4: 0000000000771ef0
[ 2.390191] PKRU: 55555554
[ 2.390295] Call Trace:
[ 2.390310]
[ 2.390322] rtnetlink_event+0x6e/0xb0
[ 2.390405] notifier_call_chain+0x6d/0x100
[ 2.390465] netdev_update_features+0x56/0x60
[ 2.390553] __tun_chr_ioctl+0xbf1/0x16c0
[ 2.390568] ? file_init_path+0x62/0x120
[ 2.390761] __x64_sys_ioctl+0xa1/0xe0
[ 2.390807] do_syscall_64+0x104/0xfc0
[ 2.390887] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.390967] RIP: 0033:0x47cc8d
[ 2.390981] 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
[ 2.391118] RSP: 002b:00007fffa07a0ce0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.391273] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.391294] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 2.391406] RBP: 00007fffa07a0d30 R08: 0000000000000000 R09: 0000000000000000
[ 2.391434] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffa07a11f8
[ 2.391562] R13: 00007fffa07a1278 R14: 0000000000000002 R15: 0000000000543540
[ 2.391583]
[ 2.391719] ---[ end trace 0000000000000000 ]---
[ 2.391765] ------------[ cut here ]------------
[ 2.391855] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/157
[ 2.391883] Modules linked in:
[ 2.391991] CPU: 3 UID: 0 PID: 157 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.392025] Tainted: [W]=WARN
[ 2.392133] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.392161] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.392274] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 b2 fb ff b9 a6 ff ff
[ 2.392324] RSP: 0018:ff7439b9803dfc10 EFLAGS: 00010286
[ 2.392452] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 2.392646] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48d0b6c1deb800
[ 2.392782] RBP: 0000000000000000 R08: ff48d0b6c19169d0 R09: ff48d0b6c4a55030
[ 2.392809] R10: ff48d0b6c4980118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.393017] R13: 0000000000000010 R14: ff48d0b6c4980000 R15: ff48d0b6c1deb800
[ 2.393046] FS: 000000003072f400(0000) GS:ff48d0b747016000(0000) knlGS:0000000000000000
[ 2.393144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.393263] CR2: 00007f9314d66000 CR3: 0000000004a15005 CR4: 0000000000771ef0
[ 2.393287] PKRU: 55555554
[ 2.393414] Call Trace:
[ 2.393447]
[ 2.393457] rtmsg_ifinfo+0x3c/0xa0
[ 2.393496] __dev_notify_flags+0xb1/0xf0
[ 2.393510] netif_change_flags+0x54/0x70
[ 2.393536] dev_change_flags+0x45/0x80
[ 2.393557] devinet_ioctl+0x607/0x7f0
[ 2.393572] inet_ioctl+0x229/0x240
[ 2.393586] ? __rtnl_unlock+0x35/0x60
[ 2.393601] sock_do_ioctl+0x75/0x140
[ 2.393617] __x64_sys_ioctl+0xa1/0xe0
[ 2.393633] do_syscall_64+0x104/0xfc0
[ 2.393647] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.393673] RIP: 0033:0x47cc8d
[ 2.393689] 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
[ 2.393747] RSP: 002b:00007fffa07a0cc0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.393772] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.393795] RDX: 00007fffa07a0d30 RSI: 0000000000008914 RDI: 0000000000000006
[ 2.393817] RBP: 00007fffa07a0d10 R08: 0000000000000000 R09: 0000000000000000
[ 2.393844] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffa07a11f8
[ 2.393868] R13: 00007fffa07a1278 R14: 0000000000000002 R15: 0000000000543540
[ 2.393894]
[ 2.393902] ---[ end trace 0000000000000000 ]---
[ 47.331916] ------------[ cut here ]------------
[ 47.331987] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/157
[ 47.332032] Modules linked in:
[ 47.332049] CPU: 3 UID: 0 PID: 157 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.332085] Tainted: [W]=WARN
[ 47.332101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.332123] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.332140] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 b2 fb ff b9 a6 ff ff
[ 47.332203] RSP: 0018:ff7439b9803dfb58 EFLAGS: 00010286
[ 47.332222] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 47.332248] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48d0b6c18f1700
[ 47.332269] RBP: 0000000000000000 R08: ff48d0b6c19169d0 R09: ff48d0b6c4a55030
[ 47.332292] R10: ff48d0b6c4980118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.332314] R13: 0000000000000010 R14: ff48d0b6c4980000 R15: ff48d0b6c18f1700
[ 47.332341] FS: 0000000000000000(0000) GS:ff48d0b747016000(0000) knlGS:0000000000000000
[ 47.332368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.332387] CR2: 00007f9314d66000 CR3: 000000000197f006 CR4: 0000000000771ef0
[ 47.332416] PKRU: 55555554
[ 47.332426] Call Trace:
[ 47.332440]
[ 47.332449] rtmsg_ifinfo+0x3c/0xa0
[ 47.332465] netif_close_many+0xed/0x190
[ 47.332479] unregister_netdevice_many_notify+0x267/0x9d0
[ 47.332498] ? __queue_work+0x141/0x550
[ 47.332514] unregister_netdevice_queue+0x9e/0xd0
[ 47.332533] __tun_detach+0x591/0x5b0
[ 47.332552] tun_chr_close+0x3f/0xc0
[ 47.332566] __fput+0xe8/0x2c0
[ 47.332582] task_work_run+0x63/0xa0
[ 47.332599] do_exit+0x2c1/0xba0
[ 47.332613] ? netlink_dump+0x336/0x450
[ 47.332630] do_group_exit+0x2d/0xc0
[ 47.332643] get_signal+0x82e/0x900
[ 47.332658] arch_do_signal_or_restart+0x77/0x2b0
[ 47.332844] exit_to_user_mode_loop+0x75/0x4a0
[ 47.332867] do_syscall_64+0x439/0xfc0
[ 47.332883] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.332902] RIP: 0033:0x4c2d9e
[ 47.332916] Code: Unable to access opcode bytes at 0x4c2d74.
[ 47.332938] RSP: 002b:00007fffa07a0650 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 47.332965] RAX: 0000000000000050 RBX: 00007fffa07a06e0 RCX: 00000000004c2d9e
[ 47.332989] RDX: 0000000000000000 RSI: 00007fffa07a06f0 RDI: 0000000000000007
[ 47.333014] RBP: 00007fffa07a0660 R08: 0000000000000000 R09: 0000000000000000
[ 47.333039] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffa07a06d4
[ 47.333060] R13: 00007fffa07a1278 R14: 00007fffa07a0820 R15: 0000000000543540
[ 47.333084]
[ 47.333092] ---[ end trace 0000000000000000 ]---
[ 47.333198] ------------[ cut here ]------------
[ 47.333223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/157
[ 47.333253] Modules linked in:
[ 47.333268] CPU: 0 UID: 0 PID: 157 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.333298] Tainted: [W]=WARN
[ 47.333310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.333332] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.333382] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 b2 fb ff b9 a6 ff ff
[ 47.333436] RSP: 0018:ff7439b9803dfbc8 EFLAGS: 00010286
[ 47.333487] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.333515] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48d0b6c18f1600
[ 47.333537] RBP: 0000000000000000 R08: ff48d0b6c19169d0 R09: ff48d0b6c2f24830
[ 47.333565] R10: ff48d0b6c4980118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.333590] R13: 0000000000000011 R14: ff48d0b6c4980000 R15: ff48d0b6c18f1600
[ 47.333620] FS: 0000000000000000(0000) GS:ff48d0b746e96000(0000) knlGS:0000000000000000
[ 47.333646] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.333674] CR2: 000056028c50bc60 CR3: 000000001a242006 CR4: 0000000000771ef0
[ 47.333697] PKRU: 55555554
[ 47.333707] Call Trace:
[ 47.333716]
[ 47.333725] unregister_netdevice_many_notify+0x877/0x9d0
[ 47.333741] unregister_netdevice_queue+0x9e/0xd0
[ 47.333757] __tun_detach+0x591/0x5b0
[ 47.333772] tun_chr_close+0x3f/0xc0
[ 47.333795] __fput+0xe8/0x2c0
[ 47.333809] task_work_run+0x63/0xa0
[ 47.333824] do_exit+0x2c1/0xba0
[ 47.333837] ? netlink_dump+0x336/0x450
[ 47.333850] do_group_exit+0x2d/0xc0
[ 47.333862] get_signal+0x82e/0x900
[ 47.333875] arch_do_signal_or_restart+0x77/0x2b0
[ 47.333892] exit_to_user_mode_loop+0x75/0x4a0
[ 47.333910] do_syscall_64+0x439/0xfc0
[ 47.333923] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.333943] RIP: 0033:0x4c2d9e
[ 47.333955] Code: Unable to access opcode bytes at 0x4c2d74.
[ 47.333976] RSP: 002b:00007fffa07a0650 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 47.334001] RAX: 0000000000000050 RBX: 00007fffa07a06e0 RCX: 00000000004c2d9e
[ 47.334027] RDX: 0000000000000000 RSI: 00007fffa07a06f0 RDI: 0000000000000007
[ 47.334048] RBP: 00007fffa07a0660 R08: 0000000000000000 R09: 0000000000000000
[ 47.334074] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffa07a06d4
[ 47.334095] R13: 00007fffa07a1278 R14: 00007fffa07a0820 R15: 0000000000543540
[ 47.334118]
[ 47.334126] ---[ end trace 0000000000000000 ]---
[ 47.341818] ------------[ cut here ]------------
[ 47.341852] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/65
[ 47.341920] Modules linked in:
[ 47.341955] CPU: 0 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.341992] Tainted: [W]=WARN
[ 47.342006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.342026] Workqueue: netns cleanup_net
[ 47.342043] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.342063] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 b2 fb ff b9 a6 ff ff
[ 47.342137] RSP: 0018:ff7439b98023fc78 EFLAGS: 00010286
[ 47.342156] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.342182] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48d0b6c18f1600
[ 47.342202] RBP: 0000000000000000 R08: ff48d0b6c310e550 R09: ff48d0b6c4a4a82c
[ 47.342231] R10: ff48d0b6c19be118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.342252] R13: 0000000000000011 R14: ff48d0b6c19be000 R15: ff48d0b6c18f1600
[ 47.342280] FS: 0000000000000000(0000) GS:ff48d0b746e96000(0000) knlGS:0000000000000000
[ 47.342306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.342327] CR2: 00007f2b4f1e3f98 CR3: 000000001a242006 CR4: 0000000000771ef0
[ 47.342352] PKRU: 55555554
[ 47.342361] Call Trace:
[ 47.342368]
[ 47.342378] unregister_netdevice_many_notify+0x877/0x9d0
[ 47.342396] default_device_exit_batch+0x318/0x390
[ 47.342413] ops_undo_list+0x10b/0x240
[ 47.342427] cleanup_net+0x1d7/0x2e0
[ 47.342439] process_one_work+0x162/0x360
[ 47.342472] worker_thread+0x16e/0x2d0
[ 47.342487] ? rescuer_thread+0x510/0x510
[ 47.342510] kthread+0xe1/0x120
[ 47.342549] ? kthread_park+0xa0/0xa0
[ 47.342562] ret_from_fork+0x16d/0x250
[ 47.342575] ? kthread_park+0xa0/0xa0
[ 47.342586] ret_from_fork_asm+0x11/0x20
[ 47.342600]
[ 47.342608] ---[ end trace 0000000000000000 ]---