[ 184.147544] ------------[ cut here ]------------
[ 184.147595] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: unshare/337
[ 184.147647] Modules linked in:
[ 184.147682] CPU: 3 UID: 0 PID: 337 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 184.147762] Tainted: [W]=WARN
[ 184.147787] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.147820] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 184.147848] 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
[ 184.147941] RSP: 0018:ff6a9ac840577cc8 EFLAGS: 00010286
[ 184.147973] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 184.148013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e83859a00
[ 184.148051] RBP: 0000000000000000 R08: ff48218e83897310 R09: ff48218e8206302c
[ 184.148089] R10: ff48218e81135118 R11: fefefefefefefeff R12: 0000000000000000
[ 184.148131] R13: 0000000000000010 R14: ff48218e81135000 R15: ff48218e83859a00
[ 184.148178] FS: 00007f5a1d01f740(0000) GS:ff48218f0ca16000(0000) knlGS:0000000000000000
[ 184.148222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 184.148255] CR2: 00007f5a1d1e1280 CR3: 0000000004b07002 CR4: 0000000000771ef0
[ 184.148293] PKRU: 55555554
[ 184.148308] Call Trace:
[ 184.148324]
[ 184.148338] rtmsg_ifinfo+0x3c/0xa0
[ 184.148359] register_netdevice+0x889/0x9f0
[ 184.148380] register_netdev+0x1e/0x30
[ 184.148402] loopback_net_init+0x57/0xb0
[ 184.148429] ? vsock_sysctl_init_net+0xb6/0x140
[ 184.148460] ops_init+0x68/0x140
[ 184.148483] setup_net+0x85/0x150
[ 184.148506] copy_net_ns+0xf5/0x200
[ 184.148530] create_new_namespaces+0x117/0x2f0
[ 184.148561] unshare_nsproxy_namespaces+0x85/0xb0
[ 184.148592] ksys_unshare+0x346/0x5e0
[ 184.148615] __x64_sys_unshare+0x12/0x20
[ 184.148636] do_syscall_64+0x104/0xfc0
[ 184.148661] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.148693] RIP: 0033:0x7f5a1d11abcb
[ 184.148723] 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
[ 184.148813] RSP: 002b:00007ffe67a0aa38 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 184.148854] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5a1d11abcb
[ 184.148892] RDX: 0000000000000000 RSI: 00007ffe67a0a7a0 RDI: 0000000040000000
[ 184.148933] RBP: 00007ffe67a0adc0 R08: 00007ffe67a0a990 R09: 0000000000000000
[ 184.148971] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 184.149012] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000564a5c269b68
[ 184.149050]
[ 184.149068] ---[ end trace 0000000000000000 ]---
[ 184.149674] ------------[ cut here ]------------
[ 184.149769] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/337
[ 184.149819] Modules linked in:
[ 184.149842] CPU: 3 UID: 0 PID: 337 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 184.149897] Tainted: [W]=WARN
[ 184.149920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.149953] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 184.149980] 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
[ 184.150066] RSP: 0018:ff6a9ac840577d68 EFLAGS: 00010286
[ 184.150095] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 184.150133] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e83859a00
[ 184.150172] RBP: 0000000000000000 R08: ff48218e84825390 R09: ff48218e82e9b030
[ 184.150210] R10: ff48218e838f0118 R11: fefefefefefefeff R12: 0000000000000000
[ 184.150245] R13: 0000000000000010 R14: ff48218e838f0000 R15: ff48218e83859a00
[ 184.150291] FS: 0000000012a4c400(0000) GS:ff48218f0ca16000(0000) knlGS:0000000000000000
[ 184.150325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 184.150359] CR2: 00007fb5e0a2a000 CR3: 0000000004aad003 CR4: 0000000000771ef0
[ 184.150399] PKRU: 55555554
[ 184.150415] Call Trace:
[ 184.150430]
[ 184.150443] rtmsg_ifinfo+0x3c/0xa0
[ 184.150466] register_netdevice+0x889/0x9f0
[ 184.150490] __tun_chr_ioctl+0x83c/0x16c0
[ 184.150516] ? do_sys_openat2+0x9a/0xe0
[ 184.150541] __x64_sys_ioctl+0xa1/0xe0
[ 184.150562] do_syscall_64+0x104/0xfc0
[ 184.150585] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.150612] RIP: 0033:0x47cc8d
[ 184.150633] 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
[ 184.151420] RSP: 002b:00007ffd1aec5940 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 184.151459] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 184.151496] RDX: 00007ffd1aec59c0 RSI: 00000000400454ca RDI: 0000000000000005
[ 184.151540] RBP: 00007ffd1aec5990 R08: 0000000000000000 R09: 0000000000000000
[ 184.151577] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd1aec5e98
[ 184.151617] R13: 00007ffd1aec5f18 R14: 0000000000000002 R15: 0000000000543540
[ 184.151660]
[ 184.151674] ---[ end trace 0000000000000000 ]---
[ 184.151724] ------------[ cut here ]------------
[ 184.151751] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/337
[ 184.151796] Modules linked in:
[ 184.151820] CPU: 3 UID: 0 PID: 337 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 184.151874] Tainted: [W]=WARN
[ 184.151893] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.151925] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 184.151951] 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
[ 184.152038] RSP: 0018:ff6a9ac840577d60 EFLAGS: 00010286
[ 184.152072] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 184.152115] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e83859a00
[ 184.152152] RBP: 0000000000000002 R08: ff48218e84825390 R09: ff48218e82e9b030
[ 184.152189] R10: ff48218e838f0118 R11: fefefefefefefeff R12: 0000000000000000
[ 184.152228] R13: 0000000000000010 R14: ff48218e838f0000 R15: ff48218e83859a00
[ 184.152268] FS: 0000000012a4c400(0000) GS:ff48218f0ca16000(0000) knlGS:0000000000000000
[ 184.152312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 184.152352] CR2: 00007fb5e0a2a000 CR3: 0000000004aad003 CR4: 0000000000771ef0
[ 184.152393] PKRU: 55555554
[ 184.152407] Call Trace:
[ 184.152422]
[ 184.152438] rtnetlink_event+0x6e/0xb0
[ 184.152459] notifier_call_chain+0x6d/0x100
[ 184.152481] netdev_update_features+0x56/0x60
[ 184.152514] __tun_chr_ioctl+0xbf1/0x16c0
[ 184.152537] ? file_init_path+0x62/0x120
[ 184.152560] __x64_sys_ioctl+0xa1/0xe0
[ 184.152585] do_syscall_64+0x104/0xfc0
[ 184.152606] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.152634] RIP: 0033:0x47cc8d
[ 184.152652] 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
[ 184.152754] RSP: 002b:00007ffd1aec5980 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 184.152797] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 184.152836] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 184.152875] RBP: 00007ffd1aec59d0 R08: 0000000000000005 R09: 0000000000001070
[ 184.152919] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffd1aec5e98
[ 184.152960] R13: 00007ffd1aec5f18 R14: 0000000000000002 R15: 0000000000543540
[ 184.152999]
[ 184.153013] ---[ end trace 0000000000000000 ]---
[ 184.153050] ------------[ cut here ]------------
[ 184.153077] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/337
[ 184.153120] Modules linked in:
[ 184.153147] CPU: 3 UID: 0 PID: 337 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 184.153196] Tainted: [W]=WARN
[ 184.153215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.153246] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 184.153271] 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
[ 184.153362] RSP: 0018:ff6a9ac840577c10 EFLAGS: 00010286
[ 184.153392] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 184.153428] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e83859a00
[ 184.153465] RBP: 0000000000000000 R08: ff48218e84825390 R09: ff48218e82061030
[ 184.153506] R10: ff48218e838f0118 R11: fefefefefefefeff R12: 0000000000000000
[ 184.153549] R13: 0000000000000010 R14: ff48218e838f0000 R15: ff48218e83859a00
[ 184.153589] FS: 0000000012a4c400(0000) GS:ff48218f0ca16000(0000) knlGS:0000000000000000
[ 184.153632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 184.153666] CR2: 00007fb5e0a2a000 CR3: 0000000004aad003 CR4: 0000000000771ef0
[ 184.153709] PKRU: 55555554
[ 184.153725] Call Trace:
[ 184.153745]
[ 184.153757] rtmsg_ifinfo+0x3c/0xa0
[ 184.153777] __dev_notify_flags+0xb1/0xf0
[ 184.153798] netif_change_flags+0x54/0x70
[ 184.153822] dev_change_flags+0x45/0x80
[ 184.153844] devinet_ioctl+0x607/0x7f0
[ 184.153868] inet_ioctl+0x229/0x240
[ 184.153893] ? __rtnl_unlock+0x35/0x60
[ 184.153914] sock_do_ioctl+0x75/0x140
[ 184.153937] __x64_sys_ioctl+0xa1/0xe0
[ 184.153962] do_syscall_64+0x104/0xfc0
[ 184.153985] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.154012] RIP: 0033:0x47cc8d
[ 184.154034] 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
[ 184.154123] RSP: 002b:00007ffd1aec5960 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 184.154168] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 184.154204] RDX: 00007ffd1aec59d0 RSI: 0000000000008914 RDI: 0000000000000006
[ 184.154244] RBP: 00007ffd1aec59b0 R08: 0000000000000005 R09: 0000000000001070
[ 184.154283] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffd1aec5e98
[ 184.154322] R13: 00007ffd1aec5f18 R14: 0000000000000002 R15: 0000000000543540
[ 184.154363]
[ 184.154379] ---[ end trace 0000000000000000 ]---
[ 229.132264] ------------[ cut here ]------------
[ 229.132337] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/337
[ 229.132388] Modules linked in:
[ 229.132413] CPU: 3 UID: 0 PID: 337 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.132475] Tainted: [W]=WARN
[ 229.132499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.132534] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.132564] 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
[ 229.132664] RSP: 0018:ff6a9ac840577b58 EFLAGS: 00010286
[ 229.132697] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 229.132932] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e818a0e00
[ 229.132973] RBP: 0000000000000000 R08: ff48218e84825390 R09: ff48218e81da7030
[ 229.133014] R10: ff48218e838f0118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.133057] R13: 0000000000000010 R14: ff48218e838f0000 R15: ff48218e818a0e00
[ 229.133101] FS: 0000000000000000(0000) GS:ff48218f0ca16000(0000) knlGS:0000000000000000
[ 229.133147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.133178] CR2: 00007fb5e0a2a000 CR3: 0000000025242006 CR4: 0000000000771ef0
[ 229.133219] PKRU: 55555554
[ 229.133234] Call Trace:
[ 229.133251]
[ 229.133266] rtmsg_ifinfo+0x3c/0xa0
[ 229.133286] netif_close_many+0xed/0x190
[ 229.133312] unregister_netdevice_many_notify+0x267/0x9d0
[ 229.133342] ? __queue_work+0x141/0x550
[ 229.133368] unregister_netdevice_queue+0x9e/0xd0
[ 229.133397] __tun_detach+0x591/0x5b0
[ 229.133421] tun_chr_close+0x3f/0xc0
[ 229.133441] __fput+0xe8/0x2c0
[ 229.133469] task_work_run+0x63/0xa0
[ 229.133496] do_exit+0x2c1/0xba0
[ 229.133519] ? sysvec_reschedule_ipi+0x25/0x120
[ 229.133548] do_group_exit+0x2d/0xc0
[ 229.133570] get_signal+0x82e/0x900
[ 229.133595] arch_do_signal_or_restart+0x77/0x2b0
[ 229.133627] exit_to_user_mode_loop+0x75/0x4a0
[ 229.133660] do_syscall_64+0x439/0xfc0
[ 229.133685] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 229.133709] RIP: 0033:0x4c2d9e
[ 229.133737] Code: Unable to access opcode bytes at 0x4c2d74.
[ 229.133772] RSP: 002b:00007ffd1aec52f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 229.133804] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 229.133848] RDX: 0000000000000014 RSI: 00007ffd1aec53d0 RDI: 0000000000000007
[ 229.133886] RBP: 00007ffd1aec5300 R08: 00007ffd1aec5390 R09: 000000000000000c
[ 229.133930] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1aec5e98
[ 229.133969] R13: 00007ffd1aec5f18 R14: 00007ffd1aec54c0 R15: 0000000000543540
[ 229.134011]
[ 229.134024] ---[ end trace 0000000000000000 ]---
[ 229.134154] ------------[ cut here ]------------
[ 229.134188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/337
[ 229.134242] Modules linked in:
[ 229.134267] CPU: 0 UID: 0 PID: 337 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.134322] Tainted: [W]=WARN
[ 229.134347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.134382] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.134411] 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
[ 229.134508] RSP: 0018:ff6a9ac840577bc8 EFLAGS: 00010286
[ 229.134538] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 229.134578] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e81deba00
[ 229.134619] RBP: 0000000000000000 R08: ff48218e84825390 R09: ff48218e83a3e830
[ 229.134658] R10: ff48218e838f0118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.134700] R13: 0000000000000011 R14: ff48218e838f0000 R15: ff48218e81deba00
[ 229.134752] FS: 0000000000000000(0000) GS:ff48218f0c896000(0000) knlGS:0000000000000000
[ 229.134797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.134836] CR2: 00007f97081ea2a0 CR3: 0000000025242004 CR4: 0000000000771ef0
[ 229.134879] PKRU: 55555554
[ 229.134894] Call Trace:
[ 229.134909]
[ 229.134923] unregister_netdevice_many_notify+0x877/0x9d0
[ 229.134952] unregister_netdevice_queue+0x9e/0xd0
[ 229.134978] __tun_detach+0x591/0x5b0
[ 229.135002] tun_chr_close+0x3f/0xc0
[ 229.135025] __fput+0xe8/0x2c0
[ 229.135044] task_work_run+0x63/0xa0
[ 229.135064] do_exit+0x2c1/0xba0
[ 229.135085] ? sysvec_reschedule_ipi+0x25/0x120
[ 229.135116] do_group_exit+0x2d/0xc0
[ 229.135137] get_signal+0x82e/0x900
[ 229.135160] arch_do_signal_or_restart+0x77/0x2b0
[ 229.135191] exit_to_user_mode_loop+0x75/0x4a0
[ 229.135220] do_syscall_64+0x439/0xfc0
[ 229.135249] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 229.135275] RIP: 0033:0x4c2d9e
[ 229.135299] Code: Unable to access opcode bytes at 0x4c2d74.
[ 229.135328] RSP: 002b:00007ffd1aec52f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 229.135370] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 229.135411] RDX: 0000000000000014 RSI: 00007ffd1aec53d0 RDI: 0000000000000007
[ 229.135451] RBP: 00007ffd1aec5300 R08: 00007ffd1aec5390 R09: 000000000000000c
[ 229.135496] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1aec5e98
[ 229.135534] R13: 00007ffd1aec5f18 R14: 00007ffd1aec54c0 R15: 0000000000543540
[ 229.135578]
[ 229.135595] ---[ end trace 0000000000000000 ]---
[ 229.144813] ------------[ cut here ]------------
[ 229.144894] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: kworker/u16:1/65
[ 229.144991] Modules linked in:
[ 229.145052] CPU: 2 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.145145] Tainted: [W]=WARN
[ 229.145201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.145272] Workqueue: netns cleanup_net
[ 229.145330] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.145412] 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
[ 229.145537] RSP: 0018:ff6a9ac84023fc78 EFLAGS: 00010286
[ 229.145598] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 229.145670] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e8386fd00
[ 229.145753] RBP: 0000000000000000 R08: ff48218e83897310 R09: ff48218e83a3802c
[ 229.145832] R10: ff48218e81135118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.145907] R13: 0000000000000011 R14: ff48218e81135000 R15: ff48218e8386fd00
[ 229.145985] FS: 0000000000000000(0000) GS:ff48218f0c996000(0000) knlGS:0000000000000000
[ 229.146063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.146133] CR2: 000055f7f26102b8 CR3: 000000000398f006 CR4: 0000000000771ef0
[ 229.146212] PKRU: 55555554
[ 229.146262] Call Trace:
[ 229.146312]
[ 229.146363] unregister_netdevice_many_notify+0x877/0x9d0
[ 229.146427] default_device_exit_batch+0x318/0x390
[ 229.146489] ops_undo_list+0x10b/0x240
[ 229.146548] cleanup_net+0x1d7/0x2e0
[ 229.146608] process_one_work+0x162/0x360
[ 229.146667] worker_thread+0x16e/0x2d0
[ 229.146741] ? rescuer_thread+0x510/0x510
[ 229.146800] kthread+0xe1/0x120
[ 229.146865] ? kthread_park+0xa0/0xa0
[ 229.146931] ret_from_fork+0x16d/0x250
[ 229.146991] ? kthread_park+0xa0/0xa0
[ 229.147050] ret_from_fork_asm+0x11/0x20
[ 229.147112]
[ 229.147162] ---[ end trace 0000000000000000 ]---