[ 229.521101] ------------[ cut here ]------------
[ 229.521180] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: unshare/380
[ 229.521269] Modules linked in:
[ 229.521329] CPU: 2 UID: 0 PID: 380 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.521423] Tainted: [W]=WARN
[ 229.521483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.521555] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.521621] 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
[ 229.521747] RSP: 0018:ff60724180667cc8 EFLAGS: 00010286
[ 229.521815] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 229.521896] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a2600310ff00
[ 229.521983] RBP: 0000000000000000 R08: ff29a26003117a50 R09: ff29a26002d2602c
[ 229.522070] R10: ff29a26006bea118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.522151] R13: 0000000000000010 R14: ff29a26006bea000 R15: ff29a2600310ff00
[ 229.522236] FS: 00007f5830f82740(0000) GS:ff29a26083996000(0000) knlGS:0000000000000000
[ 229.522318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.522397] CR2: 00007f5831144280 CR3: 000000000317b003 CR4: 0000000000771ef0
[ 229.522482] PKRU: 55555554
[ 229.522533] Call Trace:
[ 229.522585]
[ 229.522636] rtmsg_ifinfo+0x3c/0xa0
[ 229.522698] register_netdevice+0x889/0x9f0
[ 229.522761] register_netdev+0x1e/0x30
[ 229.522821] loopback_net_init+0x57/0xb0
[ 229.522885] ? vsock_sysctl_init_net+0xb6/0x140
[ 229.522954] ops_init+0x68/0x140
[ 229.523023] setup_net+0x85/0x150
[ 229.523090] copy_net_ns+0xf5/0x200
[ 229.523154] create_new_namespaces+0x117/0x2f0
[ 229.523219] unshare_nsproxy_namespaces+0x85/0xb0
[ 229.523290] ksys_unshare+0x346/0x5e0
[ 229.523355] __x64_sys_unshare+0x12/0x20
[ 229.523411] do_syscall_64+0x104/0xfc0
[ 229.523472] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 229.523541] RIP: 0033:0x7f583107dbcb
[ 229.523597] 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
[ 229.523726] RSP: 002b:00007ffda8b8b938 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 229.523803] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f583107dbcb
[ 229.523885] RDX: 0000000000000000 RSI: 00007ffda8b8b6a0 RDI: 0000000040000000
[ 229.523973] RBP: 00007ffda8b8bcc0 R08: 00007ffda8b8b890 R09: 0000000000000000
[ 229.524055] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 229.524134] R13: 0000000000000000 R14: 00000000ffffffff R15: 00005589b379bb68
[ 229.524214]
[ 229.524264] ---[ end trace 0000000000000000 ]---
[ 229.524938] ------------[ cut here ]------------
[ 229.525019] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/380
[ 229.525115] Modules linked in:
[ 229.525171] CPU: 2 UID: 0 PID: 380 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.525262] Tainted: [W]=WARN
[ 229.525321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.525398] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.525463] 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
[ 229.525588] RSP: 0018:ff60724180667d68 EFLAGS: 00010286
[ 229.525654] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 229.525729] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a2600310ff00
[ 229.525808] RBP: 0000000000000000 R08: ff29a26002fb4f50 R09: ff29a260032dd030
[ 229.525886] R10: ff29a26003204118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.525972] R13: 0000000000000010 R14: ff29a26003204000 R15: ff29a2600310ff00
[ 229.526062] FS: 0000000002619400(0000) GS:ff29a26083996000(0000) knlGS:0000000000000000
[ 229.526145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.526214] CR2: 00007f1f47621000 CR3: 0000000004d5b004 CR4: 0000000000771ef0
[ 229.526294] PKRU: 55555554
[ 229.526346] Call Trace:
[ 229.526395]
[ 229.526443] rtmsg_ifinfo+0x3c/0xa0
[ 229.526504] register_netdevice+0x889/0x9f0
[ 229.526564] __tun_chr_ioctl+0x83c/0x16c0
[ 229.526628] ? do_sys_openat2+0x9a/0xe0
[ 229.526691] __x64_sys_ioctl+0xa1/0xe0
[ 229.526751] do_syscall_64+0x104/0xfc0
[ 229.526811] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 229.526879] RIP: 0033:0x47cc8d
[ 229.526939] 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
[ 229.527080] RSP: 002b:00007ffe379951b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 229.527161] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 229.527241] RDX: 00007ffe37995230 RSI: 00000000400454ca RDI: 0000000000000005
[ 229.527324] RBP: 00007ffe37995200 R08: 0000000000000000 R09: 0000000000000000
[ 229.527407] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe37995708
[ 229.527486] R13: 00007ffe37995788 R14: 0000000000000002 R15: 0000000000543540
[ 229.527566]
[ 229.527617] ---[ end trace 0000000000000000 ]---
[ 229.527703] ------------[ cut here ]------------
[ 229.527769] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/380
[ 229.527857] Modules linked in:
[ 229.527920] CPU: 2 UID: 0 PID: 380 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.528020] Tainted: [W]=WARN
[ 229.528082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.528154] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.528225] 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
[ 229.528363] RSP: 0018:ff60724180667d60 EFLAGS: 00010286
[ 229.528429] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 229.528512] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a2600310ff00
[ 229.528591] RBP: 0000000000000002 R08: ff29a26002fb4f50 R09: ff29a260032dd030
[ 229.528673] R10: ff29a26003204118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.528750] R13: 0000000000000010 R14: ff29a26003204000 R15: ff29a2600310ff00
[ 229.528832] FS: 0000000002619400(0000) GS:ff29a26083996000(0000) knlGS:0000000000000000
[ 229.528911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.528986] CR2: 00007f1f47621000 CR3: 0000000004d5b004 CR4: 0000000000771ef0
[ 229.529072] PKRU: 55555554
[ 229.529121] Call Trace:
[ 229.529170]
[ 229.529220] rtnetlink_event+0x6e/0xb0
[ 229.529280] notifier_call_chain+0x6d/0x100
[ 229.529345] netdev_update_features+0x56/0x60
[ 229.529419] __tun_chr_ioctl+0xbf1/0x16c0
[ 229.529482] ? file_init_path+0x62/0x120
[ 229.529545] __x64_sys_ioctl+0xa1/0xe0
[ 229.529606] do_syscall_64+0x104/0xfc0
[ 229.529668] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 229.529736] RIP: 0033:0x47cc8d
[ 229.529797] 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
[ 229.529926] RSP: 002b:00007ffe379951f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 229.530010] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 229.530097] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 229.530174] RBP: 00007ffe37995240 R08: 0000000000000000 R09: 0000000000000000
[ 229.530252] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe37995708
[ 229.530330] R13: 00007ffe37995788 R14: 0000000000000002 R15: 0000000000543540
[ 229.530412]
[ 229.530461] ---[ end trace 0000000000000000 ]---
[ 229.530548] ------------[ cut here ]------------
[ 229.530613] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/380
[ 229.530700] Modules linked in:
[ 229.530761] CPU: 2 UID: 0 PID: 380 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.530857] Tainted: [W]=WARN
[ 229.530914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.530992] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.531067] 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
[ 229.531198] RSP: 0018:ff60724180667c10 EFLAGS: 00010286
[ 229.531264] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 229.531345] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a2600310ff00
[ 229.531425] RBP: 0000000000000000 R08: ff29a26002fb4f50 R09: ff29a26006bef030
[ 229.531505] R10: ff29a26003204118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.531581] R13: 0000000000000010 R14: ff29a26003204000 R15: ff29a2600310ff00
[ 229.531665] FS: 0000000002619400(0000) GS:ff29a26083996000(0000) knlGS:0000000000000000
[ 229.531751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.531823] CR2: 00007f1f47621000 CR3: 0000000004d5b004 CR4: 0000000000771ef0
[ 229.531901] PKRU: 55555554
[ 229.531950] Call Trace:
[ 229.532007]
[ 229.532064] rtmsg_ifinfo+0x3c/0xa0
[ 229.532125] __dev_notify_flags+0xb1/0xf0
[ 229.532185] netif_change_flags+0x54/0x70
[ 229.532246] dev_change_flags+0x45/0x80
[ 229.532306] devinet_ioctl+0x607/0x7f0
[ 229.532373] inet_ioctl+0x229/0x240
[ 229.532433] ? __rtnl_unlock+0x35/0x60
[ 229.532494] sock_do_ioctl+0x75/0x140
[ 229.532556] __x64_sys_ioctl+0xa1/0xe0
[ 229.532616] do_syscall_64+0x104/0xfc0
[ 229.532677] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 229.532743] RIP: 0033:0x47cc8d
[ 229.532803] 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
[ 229.532936] RSP: 002b:00007ffe379951d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 229.533027] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 229.533107] RDX: 00007ffe37995240 RSI: 0000000000008914 RDI: 0000000000000006
[ 229.533186] RBP: 00007ffe37995220 R08: 0000000000000000 R09: 0000000000000000
[ 229.533264] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe37995708
[ 229.533343] R13: 00007ffe37995788 R14: 0000000000000002 R15: 0000000000543540
[ 229.533426]
[ 229.533477] ---[ end trace 0000000000000000 ]---
[ 274.507902] ------------[ cut here ]------------
[ 274.508060] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/380
[ 274.508164] Modules linked in:
[ 274.508226] CPU: 2 UID: 0 PID: 380 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 274.508322] Tainted: [W]=WARN
[ 274.508381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 274.508451] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 274.508517] 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
[ 274.508650] RSP: 0018:ff60724180667b58 EFLAGS: 00010286
[ 274.508714] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 274.508792] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003111d00
[ 274.508895] RBP: 0000000000000000 R08: ff29a26002fb4f50 R09: ff29a26006bee030
[ 274.509274] R10: ff29a26003204118 R11: fefefefefefefeff R12: 0000000000000000
[ 274.509365] R13: 0000000000000010 R14: ff29a26003204000 R15: ff29a26003111d00
[ 274.509446] FS: 0000000000000000(0000) GS:ff29a26083996000(0000) knlGS:0000000000000000
[ 274.509525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 274.509594] CR2: 00007f1f47621000 CR3: 000000001a642005 CR4: 0000000000771ef0
[ 274.509673] PKRU: 55555554
[ 274.509721] Call Trace:
[ 274.509771]
[ 274.509821] rtmsg_ifinfo+0x3c/0xa0
[ 274.509879] netif_close_many+0xed/0x190
[ 274.509938] unregister_netdevice_many_notify+0x267/0x9d0
[ 274.510007] ? __queue_work+0x141/0x550
[ 274.510069] unregister_netdevice_queue+0x9e/0xd0
[ 274.510132] __tun_detach+0x591/0x5b0
[ 274.510200] tun_chr_close+0x3f/0xc0
[ 274.510258] __fput+0xe8/0x2c0
[ 274.510318] task_work_run+0x63/0xa0
[ 274.510380] do_exit+0x2c1/0xba0
[ 274.510439] do_group_exit+0x2d/0xc0
[ 274.510497] ? __sys_sendto+0x194/0x220
[ 274.510554] get_signal+0x82e/0x900
[ 274.510614] arch_do_signal_or_restart+0x77/0x2b0
[ 274.510681] exit_to_user_mode_loop+0x75/0x4a0
[ 274.510747] do_syscall_64+0x439/0xfc0
[ 274.510806] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 274.510871] RIP: 0033:0x4c2d9e
[ 274.510928] Code: Unable to access opcode bytes at 0x4c2d74.
[ 274.511004] RSP: 002b:00007ffe37994b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 274.511083] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 274.511166] RDX: 0000000000000014 RSI: 00007ffe37994c40 RDI: 0000000000000007
[ 274.511244] RBP: 00007ffe37994b70 R08: 00007ffe37994c00 R09: 000000000000000c
[ 274.511322] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe37995708
[ 274.511402] R13: 00007ffe37995788 R14: 00007ffe37994d30 R15: 0000000000543540
[ 274.511482]
[ 274.511531] ---[ end trace 0000000000000000 ]---
[ 274.511680] ------------[ cut here ]------------
[ 274.511718] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: packetdrill/380
[ 274.511773] Modules linked in:
[ 274.511801] CPU: 1 UID: 0 PID: 380 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 274.511861] Tainted: [W]=WARN
[ 274.511885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 274.511920] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 274.511952] 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
[ 274.512055] RSP: 0018:ff60724180667bc8 EFLAGS: 00010286
[ 274.512085] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 274.512127] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003104a00
[ 274.512169] RBP: 0000000000000000 R08: ff29a26002fb4f50 R09: ff29a26001d78030
[ 274.512210] R10: ff29a26003204118 R11: fefefefefefefeff R12: 0000000000000000
[ 274.512252] R13: 0000000000000011 R14: ff29a26003204000 R15: ff29a26003104a00
[ 274.512294] FS: 0000000000000000(0000) GS:ff29a26083916000(0000) knlGS:0000000000000000
[ 274.512341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 274.512379] CR2: 00007f21feafb2a0 CR3: 000000001a642002 CR4: 0000000000771ef0
[ 274.512423] PKRU: 55555554
[ 274.512437] Call Trace:
[ 274.512453]
[ 274.512466] unregister_netdevice_many_notify+0x877/0x9d0
[ 274.512496] unregister_netdevice_queue+0x9e/0xd0
[ 274.512525] __tun_detach+0x591/0x5b0
[ 274.512547] tun_chr_close+0x3f/0xc0
[ 274.512567] __fput+0xe8/0x2c0
[ 274.512591] task_work_run+0x63/0xa0
[ 274.512611] do_exit+0x2c1/0xba0
[ 274.512637] do_group_exit+0x2d/0xc0
[ 274.512659] ? __sys_sendto+0x194/0x220
[ 274.512684] get_signal+0x82e/0x900
[ 274.512707] arch_do_signal_or_restart+0x77/0x2b0
[ 274.512739] exit_to_user_mode_loop+0x75/0x4a0
[ 274.512767] do_syscall_64+0x439/0xfc0
[ 274.512786] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 274.512819] RIP: 0033:0x4c2d9e
[ 274.512842] Code: Unable to access opcode bytes at 0x4c2d74.
[ 274.512879] RSP: 002b:00007ffe37994b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 274.512933] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 274.512982] RDX: 0000000000000014 RSI: 00007ffe37994c40 RDI: 0000000000000007
[ 274.513028] RBP: 00007ffe37994b70 R08: 00007ffe37994c00 R09: 000000000000000c
[ 274.513067] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe37995708
[ 274.513113] R13: 00007ffe37995788 R14: 00007ffe37994d30 R15: 0000000000543540
[ 274.513205]
[ 274.513229] ---[ end trace 0000000000000000 ]---
[ 274.522086] ------------[ cut here ]------------
[ 274.522128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/64
[ 274.522220] Modules linked in:
[ 274.522249] CPU: 0 UID: 0 PID: 64 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 274.522310] Tainted: [W]=WARN
[ 274.522333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 274.522371] Workqueue: netns cleanup_net
[ 274.522395] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 274.522421] 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
[ 274.522523] RSP: 0018:ff60724180237c78 EFLAGS: 00010286
[ 274.522553] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 274.522594] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003111e00
[ 274.522639] RBP: 0000000000000000 R08: ff29a26003117a50 R09: ff29a26006e9d82c
[ 274.522686] R10: ff29a26006bea118 R11: fefefefefefefeff R12: 0000000000000000
[ 274.522734] R13: 0000000000000011 R14: ff29a26006bea000 R15: ff29a26003111e00
[ 274.522773] FS: 0000000000000000(0000) GS:ff29a26083896000(0000) knlGS:0000000000000000
[ 274.522821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 274.522857] CR2: 0000561bed0aa2b8 CR3: 0000000002e8d006 CR4: 0000000000771ef0
[ 274.522902] PKRU: 55555554
[ 274.522916] Call Trace:
[ 274.522932]
[ 274.522947] unregister_netdevice_many_notify+0x877/0x9d0
[ 274.522986] default_device_exit_batch+0x318/0x390
[ 274.523019] ops_undo_list+0x10b/0x240
[ 274.523046] cleanup_net+0x1d7/0x2e0
[ 274.523069] process_one_work+0x162/0x360
[ 274.523095] worker_thread+0x16e/0x2d0
[ 274.523116] ? rescuer_thread+0x510/0x510
[ 274.523140] kthread+0xe1/0x120
[ 274.523170] ? kthread_park+0xa0/0xa0
[ 274.523191] ret_from_fork+0x16d/0x250
[ 274.523216] ? kthread_park+0xa0/0xa0
[ 274.523240] ret_from_fork_asm+0x11/0x20
[ 274.523266]
[ 274.523280] ---[ end trace 0000000000000000 ]---