[ 2.304114] ------------[ cut here ]------------
[ 2.304171] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: unshare/159
[ 2.304229] Modules linked in:
[ 2.304252] CPU: 1 UID: 0 PID: 159 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.304309] Tainted: [W]=WARN
[ 2.304330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.304363] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.304392] 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
[ 2.304488] RSP: 0018:ff6a9ac840273cc8 EFLAGS: 00010286
[ 2.304519] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.304562] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e83862d00
[ 2.304604] RBP: 0000000000000000 R08: ff48218e8389bdd0 R09: ff48218e84bc202c
[ 2.304646] R10: ff48218e82e9d118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.304689] R13: 0000000000000010 R14: ff48218e82e9d000 R15: ff48218e83862d00
[ 2.304745] FS: 00007f6e4cb7d740(0000) GS:ff48218f0c916000(0000) knlGS:0000000000000000
[ 2.304794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.304828] CR2: 0000561f8f884310 CR3: 0000000004a7d005 CR4: 0000000000771ef0
[ 2.304870] PKRU: 55555554
[ 2.304883] Call Trace:
[ 2.304899]
[ 2.304912] rtmsg_ifinfo+0x3c/0xa0
[ 2.304934] register_netdevice+0x889/0x9f0
[ 2.304957] register_netdev+0x1e/0x30
[ 2.304978] loopback_net_init+0x57/0xb0
[ 2.304998] ? vsock_sysctl_init_net+0xb6/0x140
[ 2.305029] ops_init+0x68/0x140
[ 2.305054] setup_net+0x85/0x150
[ 2.305076] copy_net_ns+0xf5/0x200
[ 2.305100] create_new_namespaces+0x117/0x2f0
[ 2.305138] unshare_nsproxy_namespaces+0x85/0xb0
[ 2.305165] ksys_unshare+0x346/0x5e0
[ 2.305186] __x64_sys_unshare+0x12/0x20
[ 2.305211] do_syscall_64+0x104/0xfc0
[ 2.305233] ? __sysvec_call_function_single+0x20/0xd0
[ 2.305257] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.305284] RIP: 0033:0x7f6e4cc78bcb
[ 2.305309] 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
[ 2.305402] RSP: 002b:00007ffe5a5e3b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 2.305450] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6e4cc78bcb
[ 2.305492] RDX: 0000000000000000 RSI: 00007ffe5a5e38a0 RDI: 0000000040000000
[ 2.305531] RBP: 00007ffe5a5e3ec0 R08: 00007ffe5a5e3a90 R09: 0000000000000000
[ 2.305572] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 2.305614] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000561f8f887b68
[ 2.305656]
[ 2.305672] ---[ end trace 0000000000000000 ]---
[ 2.309284] ------------[ cut here ]------------
[ 2.309315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/159
[ 2.309376] Modules linked in:
[ 2.309399] CPU: 3 UID: 0 PID: 159 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.309455] Tainted: [W]=WARN
[ 2.309474] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.309516] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.309546] 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
[ 2.309640] RSP: 0018:ff6a9ac840273d68 EFLAGS: 00010286
[ 2.309670] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.309710] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e81dec200
[ 2.309754] RBP: 0000000000000000 R08: ff48218e83b91250 R09: ff48218e82060030
[ 2.309795] R10: ff48218e84b04118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.309836] R13: 0000000000000010 R14: ff48218e84b04000 R15: ff48218e81dec200
[ 2.309879] FS: 000000003f362400(0000) GS:ff48218f0ca16000(0000) knlGS:0000000000000000
[ 2.309923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.309958] CR2: 00007f3cfb02a000 CR3: 0000000004b3f005 CR4: 0000000000771ef0
[ 2.310000] PKRU: 55555554
[ 2.310015] Call Trace:
[ 2.310028]
[ 2.310042] rtmsg_ifinfo+0x3c/0xa0
[ 2.310062] register_netdevice+0x889/0x9f0
[ 2.310082] __tun_chr_ioctl+0x83c/0x16c0
[ 2.310108] ? do_sys_openat2+0x9a/0xe0
[ 2.310133] __x64_sys_ioctl+0xa1/0xe0
[ 2.310157] do_syscall_64+0x104/0xfc0
[ 2.310181] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.310209] RIP: 0033:0x47cc8d
[ 2.310232] 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
[ 2.310331] RSP: 002b:00007ffd8835ffa0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.310375] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.310416] RDX: 00007ffd88360020 RSI: 00000000400454ca RDI: 0000000000000005
[ 2.310458] RBP: 00007ffd8835fff0 R08: 0000000000000000 R09: 0000000000000000
[ 2.310500] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd883604f8
[ 2.310546] R13: 00007ffd88360578 R14: 0000000000000002 R15: 0000000000543540
[ 2.310592]
[ 2.310605] ---[ end trace 0000000000000000 ]---
[ 2.310644] ------------[ cut here ]------------
[ 2.310674] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/159
[ 2.310728] Modules linked in:
[ 2.310750] CPU: 3 UID: 0 PID: 159 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.310804] Tainted: [W]=WARN
[ 2.310824] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.310853] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.310886] 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
[ 2.310985] RSP: 0018:ff6a9ac840273d60 EFLAGS: 00010286
[ 2.311011] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 2.311048] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e81dec200
[ 2.311084] RBP: 0000000000000002 R08: ff48218e83b91250 R09: ff48218e82060030
[ 2.311120] R10: ff48218e84b04118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.311161] R13: 0000000000000010 R14: ff48218e84b04000 R15: ff48218e81dec200
[ 2.311202] FS: 000000003f362400(0000) GS:ff48218f0ca16000(0000) knlGS:0000000000000000
[ 2.311245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.311272] CR2: 00007f3cfb02a000 CR3: 0000000004b3f005 CR4: 0000000000771ef0
[ 2.311319] PKRU: 55555554
[ 2.311331] Call Trace:
[ 2.311345]
[ 2.311361] rtnetlink_event+0x6e/0xb0
[ 2.311384] notifier_call_chain+0x6d/0x100
[ 2.311405] netdev_update_features+0x56/0x60
[ 2.311435] __tun_chr_ioctl+0xbf1/0x16c0
[ 2.311457] ? file_init_path+0x62/0x120
[ 2.311481] __x64_sys_ioctl+0xa1/0xe0
[ 2.311502] do_syscall_64+0x104/0xfc0
[ 2.311527] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.311551] RIP: 0033:0x47cc8d
[ 2.311571] 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
[ 2.311661] RSP: 002b:00007ffd8835ffe0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.311700] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.311742] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 2.311785] RBP: 00007ffd88360030 R08: 0000000000000005 R09: 0000000000000c90
[ 2.311830] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffd883604f8
[ 2.311871] R13: 00007ffd88360578 R14: 0000000000000002 R15: 0000000000543540
[ 2.311912]
[ 2.311926] ---[ end trace 0000000000000000 ]---
[ 2.311964] ------------[ cut here ]------------
[ 2.311988] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/159
[ 2.312038] Modules linked in:
[ 2.312056] CPU: 3 UID: 0 PID: 159 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.312116] Tainted: [W]=WARN
[ 2.312136] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.312171] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.312202] 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
[ 2.312301] RSP: 0018:ff6a9ac840273c10 EFLAGS: 00010286
[ 2.312330] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 2.312367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e81dec200
[ 2.312403] RBP: 0000000000000000 R08: ff48218e83b91250 R09: ff48218e84bc5030
[ 2.312442] R10: ff48218e84b04118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.312482] R13: 0000000000000010 R14: ff48218e84b04000 R15: ff48218e81dec200
[ 2.312523] FS: 000000003f362400(0000) GS:ff48218f0ca16000(0000) knlGS:0000000000000000
[ 2.312561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.312596] CR2: 00007f3cfb02a000 CR3: 0000000004b3f005 CR4: 0000000000771ef0
[ 2.312642] PKRU: 55555554
[ 2.312656] Call Trace:
[ 2.312669]
[ 2.312682] rtmsg_ifinfo+0x3c/0xa0
[ 2.312703] __dev_notify_flags+0xb1/0xf0
[ 2.312726] netif_change_flags+0x54/0x70
[ 2.312745] dev_change_flags+0x45/0x80
[ 2.312766] devinet_ioctl+0x607/0x7f0
[ 2.312789] inet_ioctl+0x229/0x240
[ 2.312809] ? __rtnl_unlock+0x35/0x60
[ 2.312828] sock_do_ioctl+0x75/0x140
[ 2.312851] __x64_sys_ioctl+0xa1/0xe0
[ 2.312869] do_syscall_64+0x104/0xfc0
[ 2.312888] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.312915] RIP: 0033:0x47cc8d
[ 2.312932] 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
[ 2.313027] RSP: 002b:00007ffd8835ffc0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.313070] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.313117] RDX: 00007ffd88360030 RSI: 0000000000008914 RDI: 0000000000000006
[ 2.313165] RBP: 00007ffd88360010 R08: 0000000000000005 R09: 0000000000000c90
[ 2.313207] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffd883604f8
[ 2.313247] R13: 00007ffd88360578 R14: 0000000000000002 R15: 0000000000543540
[ 2.313284]
[ 2.313301] ---[ end trace 0000000000000000 ]---
[ 47.284462] ------------[ cut here ]------------
[ 47.284568] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/159
[ 47.284628] Modules linked in:
[ 47.284653] CPU: 3 UID: 0 PID: 159 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.284717] Tainted: [W]=WARN
[ 47.284938] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.284976] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.285006] 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
[ 47.285104] RSP: 0018:ff6a9ac840273b58 EFLAGS: 00010286
[ 47.285132] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 47.285173] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e83840700
[ 47.285216] RBP: 0000000000000000 R08: ff48218e83b91250 R09: ff48218e84bc5030
[ 47.285256] R10: ff48218e84b04118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.285296] R13: 0000000000000010 R14: ff48218e84b04000 R15: ff48218e83840700
[ 47.285337] FS: 0000000000000000(0000) GS:ff48218f0ca16000(0000) knlGS:0000000000000000
[ 47.285378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.285414] CR2: 00007f3cfb02a000 CR3: 0000000025242001 CR4: 0000000000771ef0
[ 47.285454] PKRU: 55555554
[ 47.285469] Call Trace:
[ 47.285484]
[ 47.285500] rtmsg_ifinfo+0x3c/0xa0
[ 47.285521] netif_close_many+0xed/0x190
[ 47.285544] unregister_netdevice_many_notify+0x267/0x9d0
[ 47.285571] ? __queue_work+0x141/0x550
[ 47.285593] unregister_netdevice_queue+0x9e/0xd0
[ 47.285625] __tun_detach+0x591/0x5b0
[ 47.285649] tun_chr_close+0x3f/0xc0
[ 47.285673] __fput+0xe8/0x2c0
[ 47.285696] task_work_run+0x63/0xa0
[ 47.285719] do_exit+0x2c1/0xba0
[ 47.285744] do_group_exit+0x2d/0xc0
[ 47.285766] ? __sys_sendto+0x194/0x220
[ 47.285788] get_signal+0x82e/0x900
[ 47.285810] arch_do_signal_or_restart+0x77/0x2b0
[ 47.285842] exit_to_user_mode_loop+0x75/0x4a0
[ 47.285872] do_syscall_64+0x439/0xfc0
[ 47.285899] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.285928] RIP: 0033:0x4c2d9e
[ 47.285950] Code: Unable to access opcode bytes at 0x4c2d74.
[ 47.285982] RSP: 002b:00007ffd8835f950 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 47.286025] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 47.286077] RDX: 0000000000000014 RSI: 00007ffd8835fa30 RDI: 0000000000000007
[ 47.286121] RBP: 00007ffd8835f960 R08: 00007ffd8835f9f0 R09: 000000000000000c
[ 47.286159] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003f36c770
[ 47.286199] R13: 00007ffd88360578 R14: 00007ffd8835fb20 R15: 0000000000543540
[ 47.286243]
[ 47.286257] ---[ end trace 0000000000000000 ]---
[ 47.286349] ------------[ cut here ]------------
[ 47.286376] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/159
[ 47.286422] Modules linked in:
[ 47.286441] CPU: 3 UID: 0 PID: 159 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.286494] Tainted: [W]=WARN
[ 47.286515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.286550] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.286577] 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
[ 47.286664] RSP: 0018:ff6a9ac840273bc8 EFLAGS: 00010286
[ 47.286689] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.286735] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e83840700
[ 47.286777] RBP: 0000000000000000 R08: ff48218e83b91250 R09: ff48218e8486e830
[ 47.286817] R10: ff48218e84b04118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.286854] R13: 0000000000000011 R14: ff48218e84b04000 R15: ff48218e83840700
[ 47.286894] FS: 0000000000000000(0000) GS:ff48218f0ca16000(0000) knlGS:0000000000000000
[ 47.286935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.286968] CR2: 00007f3cfb02a000 CR3: 0000000025242001 CR4: 0000000000771ef0
[ 47.287007] PKRU: 55555554
[ 47.287025] Call Trace:
[ 47.287038]
[ 47.287051] unregister_netdevice_many_notify+0x877/0x9d0
[ 47.287081] unregister_netdevice_queue+0x9e/0xd0
[ 47.287107] __tun_detach+0x591/0x5b0
[ 47.287128] tun_chr_close+0x3f/0xc0
[ 47.287149] __fput+0xe8/0x2c0
[ 47.287171] task_work_run+0x63/0xa0
[ 47.287193] do_exit+0x2c1/0xba0
[ 47.287213] do_group_exit+0x2d/0xc0
[ 47.287241] ? __sys_sendto+0x194/0x220
[ 47.287262] get_signal+0x82e/0x900
[ 47.287285] arch_do_signal_or_restart+0x77/0x2b0
[ 47.287316] exit_to_user_mode_loop+0x75/0x4a0
[ 47.287342] do_syscall_64+0x439/0xfc0
[ 47.287364] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.287391] RIP: 0033:0x4c2d9e
[ 47.287412] Code: Unable to access opcode bytes at 0x4c2d74.
[ 47.287441] RSP: 002b:00007ffd8835f950 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 47.287484] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 47.287520] RDX: 0000000000000014 RSI: 00007ffd8835fa30 RDI: 0000000000000007
[ 47.287564] RBP: 00007ffd8835f960 R08: 00007ffd8835f9f0 R09: 000000000000000c
[ 47.287603] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003f36c770
[ 47.287646] R13: 00007ffd88360578 R14: 00007ffd8835fb20 R15: 0000000000543540
[ 47.287686]
[ 47.287701] ---[ end trace 0000000000000000 ]---
[ 47.292841] ------------[ cut here ]------------
[ 47.292912] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: kworker/u16:1/65
[ 47.293006] Modules linked in:
[ 47.293067] CPU: 2 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.293157] Tainted: [W]=WARN
[ 47.293216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.293291] Workqueue: netns cleanup_net
[ 47.293356] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.293422] 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
[ 47.293548] RSP: 0018:ff6a9ac84023fc78 EFLAGS: 00010286
[ 47.293615] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.293692] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff48218e8386f700
[ 47.293782] RBP: 0000000000000000 R08: ff48218e8389bdd0 R09: ff48218e82e8a02c
[ 47.293860] R10: ff48218e82e9d118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.293938] R13: 0000000000000011 R14: ff48218e82e9d000 R15: ff48218e8386f700
[ 47.294018] FS: 0000000000000000(0000) GS:ff48218f0c996000(0000) knlGS:0000000000000000
[ 47.294098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.294169] CR2: 00007f1d30674680 CR3: 0000000025242005 CR4: 0000000000771ef0
[ 47.294251] PKRU: 55555554
[ 47.294301] Call Trace:
[ 47.294351]
[ 47.294403] unregister_netdevice_many_notify+0x877/0x9d0
[ 47.294471] default_device_exit_batch+0x318/0x390
[ 47.294539] ops_undo_list+0x10b/0x240
[ 47.294603] cleanup_net+0x1d7/0x2e0
[ 47.294663] process_one_work+0x162/0x360
[ 47.294741] worker_thread+0x16e/0x2d0
[ 47.294805] ? rescuer_thread+0x510/0x510
[ 47.294866] kthread+0xe1/0x120
[ 47.294929] ? kthread_park+0xa0/0xa0
[ 47.294992] ret_from_fork+0x16d/0x250
[ 47.295054] ? kthread_park+0xa0/0xa0
[ 47.295115] ret_from_fork_asm+0x11/0x20
[ 47.295178]
[ 47.295227] ---[ end trace 0000000000000000 ]---