[ 365.994656] ------------[ cut here ]------------
[ 365.994708] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: unshare/513
[ 365.994760] Modules linked in:
[ 365.994781] CPU: 3 UID: 0 PID: 513 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 365.994833] Tainted: [W]=WARN
[ 365.994851] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 365.994885] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 365.994915] 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
[ 365.995008] RSP: 0018:ff71f0c380827cc8 EFLAGS: 00010286
[ 365.995038] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 365.995082] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108188ea00
[ 365.995123] RBP: 0000000000000000 R08: ff2323108320d450 R09: ff232310819ba02c
[ 365.995170] R10: ff232310819bb118 R11: fefefefefefefeff R12: 0000000000000000
[ 365.995210] R13: 0000000000000010 R14: ff232310819bb000 R15: ff2323108188ea00
[ 365.995253] FS: 00007f1a7e537740(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 365.995296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 365.995331] CR2: 000055b27c6d2008 CR3: 00000000046c4005 CR4: 0000000000771ef0
[ 365.995370] PKRU: 55555554
[ 365.995385] Call Trace:
[ 365.995401]
[ 365.995416] rtmsg_ifinfo+0x3c/0xa0
[ 365.995439] register_netdevice+0x889/0x9f0
[ 365.995462] register_netdev+0x1e/0x30
[ 365.995485] loopback_net_init+0x57/0xb0
[ 365.995508] ? vsock_sysctl_init_net+0xb6/0x140
[ 365.995537] ops_init+0x68/0x140
[ 365.995560] setup_net+0x85/0x150
[ 365.995582] copy_net_ns+0xf5/0x200
[ 365.995605] create_new_namespaces+0x117/0x2f0
[ 365.995638] unshare_nsproxy_namespaces+0x85/0xb0
[ 365.995666] ksys_unshare+0x346/0x5e0
[ 365.995689] __x64_sys_unshare+0x12/0x20
[ 365.995712] do_syscall_64+0x104/0xfc0
[ 365.995733] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 365.995763] RIP: 0033:0x7f1a7e632bcb
[ 365.995786] 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
[ 365.995875] RSP: 002b:00007ffd7fe548c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 365.995914] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1a7e632bcb
[ 365.995954] RDX: 0000000000000000 RSI: 00007ffd7fe54630 RDI: 0000000040000000
[ 365.996000] RBP: 00007ffd7fe54c50 R08: 00007ffd7fe54820 R09: 0000000000000000
[ 365.996039] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 365.996078] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055b26dedbb68
[ 365.996124]
[ 365.996139] ---[ end trace 0000000000000000 ]---
[ 365.996747] ------------[ cut here ]------------
[ 365.996777] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/513
[ 365.996831] Modules linked in:
[ 365.996854] CPU: 3 UID: 0 PID: 513 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 365.996906] Tainted: [W]=WARN
[ 365.996925] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 365.996957] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 365.996984] 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
[ 365.997088] RSP: 0018:ff71f0c380827d68 EFLAGS: 00010286
[ 365.997117] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 365.997159] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108188ea00
[ 365.997205] RBP: 0000000000000000 R08: ff232310832a27d0 R09: ff232310819bf030
[ 365.997244] R10: ff23231084584118 R11: fefefefefefefeff R12: 0000000000000000
[ 365.997286] R13: 0000000000000010 R14: ff23231084584000 R15: ff2323108188ea00
[ 365.997330] FS: 000000000d0b7400(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 365.997380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 365.997412] CR2: 00007f80f9e2a000 CR3: 000000000451e006 CR4: 0000000000771ef0
[ 365.997450] PKRU: 55555554
[ 365.997465] Call Trace:
[ 365.997480]
[ 365.997498] rtmsg_ifinfo+0x3c/0xa0
[ 365.997521] register_netdevice+0x889/0x9f0
[ 365.997542] __tun_chr_ioctl+0x83c/0x16c0
[ 365.997565] ? do_sys_openat2+0x9a/0xe0
[ 365.997587] __x64_sys_ioctl+0xa1/0xe0
[ 365.997609] do_syscall_64+0x104/0xfc0
[ 365.997633] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 365.997665] RIP: 0033:0x47cc8d
[ 365.997687] 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
[ 365.997776] RSP: 002b:00007fff5cd03220 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 365.997819] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 365.997859] RDX: 00007fff5cd032a0 RSI: 00000000400454ca RDI: 0000000000000005
[ 365.997898] RBP: 00007fff5cd03270 R08: 0000000000000000 R09: 0000000000000000
[ 365.997941] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff5cd03778
[ 365.997980] R13: 00007fff5cd037f8 R14: 0000000000000002 R15: 0000000000543540
[ 365.998021]
[ 365.998035] ---[ end trace 0000000000000000 ]---
[ 365.998075] ------------[ cut here ]------------
[ 365.998102] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/513
[ 365.998156] Modules linked in:
[ 365.998175] CPU: 3 UID: 0 PID: 513 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 365.998229] Tainted: [W]=WARN
[ 365.998248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 365.998282] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 365.998308] 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
[ 365.998403] RSP: 0018:ff71f0c380827d60 EFLAGS: 00010286
[ 365.998431] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 365.998471] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108188ea00
[ 365.998511] RBP: 0000000000000002 R08: ff232310832a27d0 R09: ff232310819bf030
[ 365.998557] R10: ff23231084584118 R11: fefefefefefefeff R12: 0000000000000000
[ 365.998599] R13: 0000000000000010 R14: ff23231084584000 R15: ff2323108188ea00
[ 365.998639] FS: 000000000d0b7400(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 365.998680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 365.998712] CR2: 00007f80f9e2a000 CR3: 000000000451e006 CR4: 0000000000771ef0
[ 365.998750] PKRU: 55555554
[ 365.998765] Call Trace:
[ 365.998780]
[ 365.998793] rtnetlink_event+0x6e/0xb0
[ 365.998814] notifier_call_chain+0x6d/0x100
[ 365.998838] netdev_update_features+0x56/0x60
[ 365.998867] __tun_chr_ioctl+0xbf1/0x16c0
[ 365.998889] ? file_init_path+0x62/0x120
[ 365.998912] __x64_sys_ioctl+0xa1/0xe0
[ 365.998931] do_syscall_64+0x104/0xfc0
[ 365.998951] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 365.998979] RIP: 0033:0x47cc8d
[ 365.999007] 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
[ 365.999097] RSP: 002b:00007fff5cd03260 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 365.999136] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 365.999179] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 365.999220] RBP: 00007fff5cd032b0 R08: 0000000000000000 R09: 0000000000000000
[ 365.999259] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff5cd03778
[ 365.999299] R13: 00007fff5cd037f8 R14: 0000000000000002 R15: 0000000000543540
[ 365.999339]
[ 365.999355] ---[ end trace 0000000000000000 ]---
[ 365.999393] ------------[ cut here ]------------
[ 365.999422] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/513
[ 365.999473] Modules linked in:
[ 365.999494] CPU: 3 UID: 0 PID: 513 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 365.999548] Tainted: [W]=WARN
[ 365.999567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 365.999599] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 365.999629] 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
[ 365.999716] RSP: 0018:ff71f0c380827c10 EFLAGS: 00010286
[ 365.999741] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 365.999785] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108188ea00
[ 365.999822] RBP: 0000000000000000 R08: ff232310832a27d0 R09: ff23231082dfc030
[ 365.999863] R10: ff23231084584118 R11: fefefefefefefeff R12: 0000000000000000
[ 365.999904] R13: 0000000000000010 R14: ff23231084584000 R15: ff2323108188ea00
[ 365.999948] FS: 000000000d0b7400(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 365.999990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 366.000030] CR2: 00007f80f9e2a000 CR3: 000000000451e006 CR4: 0000000000771ef0
[ 366.000072] PKRU: 55555554
[ 366.000092] Call Trace:
[ 366.000105]
[ 366.000121] rtmsg_ifinfo+0x3c/0xa0
[ 366.000142] __dev_notify_flags+0xb1/0xf0
[ 366.000172] netif_change_flags+0x54/0x70
[ 366.000193] dev_change_flags+0x45/0x80
[ 366.000216] devinet_ioctl+0x607/0x7f0
[ 366.000240] inet_ioctl+0x229/0x240
[ 366.000262] ? __rtnl_unlock+0x35/0x60
[ 366.000284] sock_do_ioctl+0x75/0x140
[ 366.000308] __x64_sys_ioctl+0xa1/0xe0
[ 366.000330] do_syscall_64+0x104/0xfc0
[ 366.000356] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 366.000381] RIP: 0033:0x47cc8d
[ 366.000400] 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
[ 366.000495] RSP: 002b:00007fff5cd03240 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 366.000533] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 366.000578] RDX: 00007fff5cd032b0 RSI: 0000000000008914 RDI: 0000000000000006
[ 366.000618] RBP: 00007fff5cd03290 R08: 0000000000000000 R09: 0000000000000000
[ 366.000660] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff5cd03778
[ 366.000700] R13: 00007fff5cd037f8 R14: 0000000000000002 R15: 0000000000543540
[ 366.000738]
[ 366.000754] ---[ end trace 0000000000000000 ]---
[ 410.978854] ------------[ cut here ]------------
[ 410.978927] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/513
[ 410.979015] Modules linked in:
[ 410.979046] CPU: 3 UID: 0 PID: 513 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 410.979107] Tainted: [W]=WARN
[ 410.979131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 410.979174] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 410.979206] 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
[ 410.979326] RSP: 0018:ff71f0c380827b58 EFLAGS: 00010286
[ 410.979376] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 410.979422] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff23231081842100
[ 410.979464] RBP: 0000000000000000 R08: ff232310832a27d0 R09: ff23231082dfc030
[ 410.979508] R10: ff23231084584118 R11: fefefefefefefeff R12: 0000000000000000
[ 410.979551] R13: 0000000000000010 R14: ff23231084584000 R15: ff23231081842100
[ 410.979600] FS: 0000000000000000(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 410.979647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 410.979685] CR2: 00007f80f9e2a000 CR3: 0000000020c42001 CR4: 0000000000771ef0
[ 410.979733] PKRU: 55555554
[ 410.979748] Call Trace:
[ 410.979764]
[ 410.979781] rtmsg_ifinfo+0x3c/0xa0
[ 410.979803] netif_close_many+0xed/0x190
[ 410.979828] unregister_netdevice_many_notify+0x267/0x9d0
[ 410.979854] ? __queue_work+0x141/0x550
[ 410.979881] unregister_netdevice_queue+0x9e/0xd0
[ 410.979913] __tun_detach+0x591/0x5b0
[ 410.979937] tun_chr_close+0x3f/0xc0
[ 410.979961] __fput+0xe8/0x2c0
[ 410.979986] task_work_run+0x63/0xa0
[ 410.980165] do_exit+0x2c1/0xba0
[ 410.980190] ? netlink_recvmsg+0x18d/0x310
[ 410.980211] do_group_exit+0x2d/0xc0
[ 410.980232] get_signal+0x82e/0x900
[ 410.980258] arch_do_signal_or_restart+0x77/0x2b0
[ 410.980303] exit_to_user_mode_loop+0x75/0x4a0
[ 410.980338] do_syscall_64+0x439/0xfc0
[ 410.980363] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 410.980394] RIP: 0033:0x4c2d9e
[ 410.980418] Code: Unable to access opcode bytes at 0x4c2d74.
[ 410.980453] RSP: 002b:00007fff5cd02bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 410.980503] RAX: 0000000000000014 RBX: 00007fff5cd02c60 RCX: 00000000004c2d9e
[ 410.980549] RDX: 0000000000000000 RSI: 00007fff5cd02c70 RDI: 0000000000000007
[ 410.980593] RBP: 00007fff5cd02be0 R08: 0000000000000000 R09: 0000000000000000
[ 410.980639] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5cd02c54
[ 410.980680] R13: 0000000000000050 R14: 00007fff5cd02da0 R15: 0000000000000000
[ 410.980720]
[ 410.980734] ---[ end trace 0000000000000000 ]---
[ 410.980850] ------------[ cut here ]------------
[ 410.980886] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/513
[ 410.980939] Modules linked in:
[ 410.980963] CPU: 0 UID: 0 PID: 513 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 410.981028] Tainted: [W]=WARN
[ 410.981052] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 410.981094] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 410.981119] 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
[ 410.981213] RSP: 0018:ff71f0c380827bc8 EFLAGS: 00010286
[ 410.981237] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 410.981277] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108182a800
[ 410.981327] RBP: 0000000000000000 R08: ff232310832a27d0 R09: ff23231084547030
[ 410.981367] R10: ff23231084584118 R11: fefefefefefefeff R12: 0000000000000000
[ 410.981409] R13: 0000000000000011 R14: ff23231084584000 R15: ff2323108182a800
[ 410.981456] FS: 0000000000000000(0000) GS:ff23231129696000(0000) knlGS:0000000000000000
[ 410.981501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 410.981538] CR2: 00007fea156d5680 CR3: 0000000020c42004 CR4: 0000000000771ef0
[ 410.981581] PKRU: 55555554
[ 410.981595] Call Trace:
[ 410.981612]
[ 410.981628] unregister_netdevice_many_notify+0x877/0x9d0
[ 410.981658] unregister_netdevice_queue+0x9e/0xd0
[ 410.981687] __tun_detach+0x591/0x5b0
[ 410.981709] tun_chr_close+0x3f/0xc0
[ 410.981732] __fput+0xe8/0x2c0
[ 410.981753] task_work_run+0x63/0xa0
[ 410.981773] do_exit+0x2c1/0xba0
[ 410.981795] ? netlink_recvmsg+0x18d/0x310
[ 410.981818] do_group_exit+0x2d/0xc0
[ 410.981840] get_signal+0x82e/0x900
[ 410.981862] arch_do_signal_or_restart+0x77/0x2b0
[ 410.981892] exit_to_user_mode_loop+0x75/0x4a0
[ 410.981923] do_syscall_64+0x439/0xfc0
[ 410.981946] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 410.981979] RIP: 0033:0x4c2d9e
[ 410.982003] Code: Unable to access opcode bytes at 0x4c2d74.
[ 410.982039] RSP: 002b:00007fff5cd02bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 410.982080] RAX: 0000000000000014 RBX: 00007fff5cd02c60 RCX: 00000000004c2d9e
[ 410.982124] RDX: 0000000000000000 RSI: 00007fff5cd02c70 RDI: 0000000000000007
[ 410.982168] RBP: 00007fff5cd02be0 R08: 0000000000000000 R09: 0000000000000000
[ 410.982211] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5cd02c54
[ 410.982249] R13: 0000000000000050 R14: 00007fff5cd02da0 R15: 0000000000000000
[ 410.982297]
[ 410.982313] ---[ end trace 0000000000000000 ]---
[ 410.992118] ------------[ cut here ]------------
[ 410.992157] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: kworker/u16:0/12
[ 410.992220] Modules linked in:
[ 410.992243] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 410.992308] Tainted: [W]=WARN
[ 410.992330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 410.992366] Workqueue: netns cleanup_net
[ 410.992396] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 410.992425] 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
[ 410.992517] RSP: 0018:ff71f0c380067c78 EFLAGS: 00010286
[ 410.992549] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 410.992589] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff23231081842000
[ 410.992631] RBP: 0000000000000000 R08: ff2323108320d450 R09: ff2323108742582c
[ 410.992672] R10: ff232310819bb118 R11: fefefefefefefeff R12: 0000000000000000
[ 410.992714] R13: 0000000000000011 R14: ff232310819bb000 R15: ff23231081842000
[ 410.992757] FS: 0000000000000000(0000) GS:ff23231129716000(0000) knlGS:0000000000000000
[ 410.992800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 410.992829] CR2: 00007fea1554e770 CR3: 0000000020c42002 CR4: 0000000000771ef0
[ 410.992871] PKRU: 55555554
[ 410.992885] Call Trace:
[ 410.992901]
[ 410.992916] unregister_netdevice_many_notify+0x877/0x9d0
[ 410.992941] default_device_exit_batch+0x318/0x390
[ 410.992971] ops_undo_list+0x10b/0x240
[ 410.993002] cleanup_net+0x1d7/0x2e0
[ 410.993024] process_one_work+0x162/0x360
[ 410.993046] worker_thread+0x16e/0x2d0
[ 410.993070] ? rescuer_thread+0x510/0x510
[ 410.993094] kthread+0xe1/0x120
[ 410.993115] ? kthread_park+0xa0/0xa0
[ 410.993138] ret_from_fork+0x16d/0x250
[ 410.993164] ? kthread_park+0xa0/0xa0
[ 410.993187] ret_from_fork_asm+0x11/0x20
[ 410.993211]
[ 410.993224] ---[ end trace 0000000000000000 ]---