[ 138.601187] ------------[ cut here ]------------
[ 138.601245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: unshare/292
[ 138.601297] Modules linked in:
[ 138.601319] CPU: 3 UID: 0 PID: 292 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.601384] Tainted: [W]=WARN
[ 138.601403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.601434] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.601466] 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
[ 138.601564] RSP: 0018:ff6072418054fcc8 EFLAGS: 00010286
[ 138.601591] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.601627] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003107000
[ 138.601673] RBP: 0000000000000000 R08: ff29a26003224a90 R09: ff29a260032d902c
[ 138.601712] R10: ff29a26001d80118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.601754] R13: 0000000000000010 R14: ff29a26001d80000 R15: ff29a26003107000
[ 138.601801] FS: 00007f569a5f1740(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000
[ 138.601847] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.601876] CR2: 00007f569a7b3280 CR3: 0000000004e58004 CR4: 0000000000771ef0
[ 138.601921] PKRU: 55555554
[ 138.601934] Call Trace:
[ 138.601946]
[ 138.601962] rtmsg_ifinfo+0x3c/0xa0
[ 138.601988] register_netdevice+0x889/0x9f0
[ 138.602011] register_netdev+0x1e/0x30
[ 138.602029] loopback_net_init+0x57/0xb0
[ 138.602053] ? vsock_sysctl_init_net+0xb6/0x140
[ 138.602078] ops_init+0x68/0x140
[ 138.602102] setup_net+0x85/0x150
[ 138.602125] copy_net_ns+0xf5/0x200
[ 138.602146] create_new_namespaces+0x117/0x2f0
[ 138.602175] unshare_nsproxy_namespaces+0x85/0xb0
[ 138.602201] ksys_unshare+0x346/0x5e0
[ 138.602223] __x64_sys_unshare+0x12/0x20
[ 138.602246] do_syscall_64+0x104/0xfc0
[ 138.602270] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.602297] RIP: 0033:0x7f569a6ecbcb
[ 138.602318] 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
[ 138.602425] RSP: 002b:00007ffe1c7b7c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 138.602471] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f569a6ecbcb
[ 138.602511] RDX: 0000000000000000 RSI: 00007ffe1c7b79a0 RDI: 0000000040000000
[ 138.602554] RBP: 00007ffe1c7b7fc0 R08: 00007ffe1c7b7b90 R09: 0000000000000000
[ 138.602596] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 138.602635] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000559ae67bcb68
[ 138.602675]
[ 138.602688] ---[ end trace 0000000000000000 ]---
[ 138.603290] ------------[ cut here ]------------
[ 138.603320] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/292
[ 138.603376] Modules linked in:
[ 138.603395] CPU: 3 UID: 0 PID: 292 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.603458] Tainted: [W]=WARN
[ 138.603480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.603514] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.603545] 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
[ 138.603628] RSP: 0018:ff6072418054fd68 EFLAGS: 00010286
[ 138.603657] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.603701] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003107000
[ 138.603742] RBP: 0000000000000000 R08: ff29a2600305ebd0 R09: ff29a260032da030
[ 138.603788] R10: ff29a260030e4118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.603831] R13: 0000000000000010 R14: ff29a260030e4000 R15: ff29a26003107000
[ 138.603876] FS: 0000000025c26400(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000
[ 138.603917] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.603945] CR2: 00007f5f3abee000 CR3: 0000000004c05005 CR4: 0000000000771ef0
[ 138.603989] PKRU: 55555554
[ 138.604005] Call Trace:
[ 138.604019]
[ 138.604033] rtmsg_ifinfo+0x3c/0xa0
[ 138.604053] register_netdevice+0x889/0x9f0
[ 138.604076] __tun_chr_ioctl+0x83c/0x16c0
[ 138.604099] ? do_sys_openat2+0x9a/0xe0
[ 138.604121] __x64_sys_ioctl+0xa1/0xe0
[ 138.604144] do_syscall_64+0x104/0xfc0
[ 138.604168] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.604195] RIP: 0033:0x47cc8d
[ 138.604216] 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
[ 138.604315] RSP: 002b:00007ffca8743780 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 138.604368] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 138.604410] RDX: 00007ffca8743800 RSI: 00000000400454ca RDI: 0000000000000005
[ 138.604451] RBP: 00007ffca87437d0 R08: 0000000000000000 R09: 0000000000000000
[ 138.604493] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca8743cd8
[ 138.604534] R13: 00007ffca8743d58 R14: 0000000000000002 R15: 0000000000543540
[ 138.604579]
[ 138.604595] ---[ end trace 0000000000000000 ]---
[ 138.604636] ------------[ cut here ]------------
[ 138.604663] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/292
[ 138.604709] Modules linked in:
[ 138.604731] CPU: 3 UID: 0 PID: 292 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.604790] Tainted: [W]=WARN
[ 138.604812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.604851] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.604876] 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
[ 138.604975] RSP: 0018:ff6072418054fd60 EFLAGS: 00010286
[ 138.605003] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 138.605045] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003107000
[ 138.605085] RBP: 0000000000000002 R08: ff29a2600305ebd0 R09: ff29a260032da030
[ 138.605129] R10: ff29a260030e4118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.605170] R13: 0000000000000010 R14: ff29a260030e4000 R15: ff29a26003107000
[ 138.605212] FS: 0000000025c26400(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000
[ 138.605253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.605288] CR2: 00007f5f3abee000 CR3: 0000000004c05005 CR4: 0000000000771ef0
[ 138.605328] PKRU: 55555554
[ 138.605343] Call Trace:
[ 138.605361]
[ 138.605381] rtnetlink_event+0x6e/0xb0
[ 138.605404] notifier_call_chain+0x6d/0x100
[ 138.605423] netdev_update_features+0x56/0x60
[ 138.605452] __tun_chr_ioctl+0xbf1/0x16c0
[ 138.605472] ? file_init_path+0x62/0x120
[ 138.605493] __x64_sys_ioctl+0xa1/0xe0
[ 138.605515] do_syscall_64+0x104/0xfc0
[ 138.605539] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.605568] RIP: 0033:0x47cc8d
[ 138.605589] 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
[ 138.605693] RSP: 002b:00007ffca87437c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 138.605739] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 138.605783] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 138.605823] RBP: 00007ffca8743810 R08: 0000000000000005 R09: 0000000000000040
[ 138.605867] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca8743cd8
[ 138.605906] R13: 00007ffca8743d58 R14: 0000000000000002 R15: 0000000000543540
[ 138.605951]
[ 138.605968] ---[ end trace 0000000000000000 ]---
[ 138.606010] ------------[ cut here ]------------
[ 138.606040] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/292
[ 138.606094] Modules linked in:
[ 138.606116] CPU: 3 UID: 0 PID: 292 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.606174] Tainted: [W]=WARN
[ 138.606193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.606228] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.606257] 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
[ 138.606363] RSP: 0018:ff6072418054fc10 EFLAGS: 00010286
[ 138.606391] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 138.606437] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003107000
[ 138.606482] RBP: 0000000000000000 R08: ff29a2600305ebd0 R09: ff29a26006beb030
[ 138.606522] R10: ff29a260030e4118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.606564] R13: 0000000000000010 R14: ff29a260030e4000 R15: ff29a26003107000
[ 138.606611] FS: 0000000025c26400(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000
[ 138.606654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.606689] CR2: 00007f5f3abee000 CR3: 0000000004c05005 CR4: 0000000000771ef0
[ 138.606731] PKRU: 55555554
[ 138.606746] Call Trace:
[ 138.606760]
[ 138.606774] rtmsg_ifinfo+0x3c/0xa0
[ 138.606797] __dev_notify_flags+0xb1/0xf0
[ 138.606818] netif_change_flags+0x54/0x70
[ 138.606836] dev_change_flags+0x45/0x80
[ 138.606859] devinet_ioctl+0x607/0x7f0
[ 138.606882] inet_ioctl+0x229/0x240
[ 138.606903] ? __rtnl_unlock+0x35/0x60
[ 138.606924] sock_do_ioctl+0x75/0x140
[ 138.606948] __x64_sys_ioctl+0xa1/0xe0
[ 138.606971] do_syscall_64+0x104/0xfc0
[ 138.606994] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.607021] RIP: 0033:0x47cc8d
[ 138.607043] 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
[ 138.607136] RSP: 002b:00007ffca87437a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 138.607175] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 138.607217] RDX: 00007ffca8743810 RSI: 0000000000008914 RDI: 0000000000000006
[ 138.607261] RBP: 00007ffca87437f0 R08: 0000000000000005 R09: 0000000000000040
[ 138.607302] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca8743cd8
[ 138.607344] R13: 00007ffca8743d58 R14: 0000000000000002 R15: 0000000000543540
[ 138.607412]
[ 138.607428] ---[ end trace 0000000000000000 ]---
[ 183.587192] ------------[ cut here ]------------
[ 183.587257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/292
[ 183.587309] Modules linked in:
[ 183.587333] CPU: 0 UID: 0 PID: 292 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 183.587398] Tainted: [W]=WARN
[ 183.587422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 183.587462] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 183.587493] 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
[ 183.587586] RSP: 0018:ff6072418054fb58 EFLAGS: 00010286
[ 183.587616] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 183.587657] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003104700
[ 183.587699] RBP: 0000000000000000 R08: ff29a2600305ebd0 R09: ff29a260032d8030
[ 183.587738] R10: ff29a260030e4118 R11: fefefefefefefeff R12: 0000000000000000
[ 183.587778] R13: 0000000000000010 R14: ff29a260030e4000 R15: ff29a26003104700
[ 183.587822] FS: 0000000000000000(0000) GS:ff29a26083896000(0000) knlGS:0000000000000000
[ 183.587864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 183.587902] CR2: 00007ffc75eeff98 CR3: 000000001a642004 CR4: 0000000000771ef0
[ 183.587943] PKRU: 55555554
[ 183.587959] Call Trace:
[ 183.587979]
[ 183.587995] rtmsg_ifinfo+0x3c/0xa0
[ 183.588017] netif_close_many+0xed/0x190
[ 183.588041] unregister_netdevice_many_notify+0x267/0x9d0
[ 183.588078] ? __queue_work+0x141/0x550
[ 183.588104] unregister_netdevice_queue+0x9e/0xd0
[ 183.588132] __tun_detach+0x591/0x5b0
[ 183.588159] tun_chr_close+0x3f/0xc0
[ 183.588178] __fput+0xe8/0x2c0
[ 183.588204] task_work_run+0x63/0xa0
[ 183.588229] do_exit+0x2c1/0xba0
[ 183.588255] do_group_exit+0x2d/0xc0
[ 183.588278] ? __sys_sendto+0x194/0x220
[ 183.588302] get_signal+0x82e/0x900
[ 183.588325] arch_do_signal_or_restart+0x77/0x2b0
[ 183.588358] exit_to_user_mode_loop+0x75/0x4a0
[ 183.588388] do_syscall_64+0x439/0xfc0
[ 183.588409] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 183.588439] RIP: 0033:0x4c2d9e
[ 183.588463] Code: Unable to access opcode bytes at 0x4c2d74.
[ 183.588498] RSP: 002b:00007ffca8743130 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 183.588539] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 183.588586] RDX: 0000000000000014 RSI: 00007ffca8743210 RDI: 0000000000000007
[ 183.588627] RBP: 00007ffca8743140 R08: 00007ffca87431d0 R09: 000000000000000c
[ 183.588668] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000025c31db0
[ 183.588707] R13: 00007ffca8743d58 R14: 00007ffca8743300 R15: 0000000000543540
[ 183.588753]
[ 183.588767] ---[ end trace 0000000000000000 ]---
[ 183.588993] ------------[ cut here ]------------
[ 183.589022] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/292
[ 183.589077] Modules linked in:
[ 183.589101] CPU: 0 UID: 0 PID: 292 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 183.589161] Tainted: [W]=WARN
[ 183.589186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 183.589222] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 183.589251] 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
[ 183.589356] RSP: 0018:ff6072418054fbc8 EFLAGS: 00010286
[ 183.589387] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 183.589427] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003104700
[ 183.589469] RBP: 0000000000000000 R08: ff29a2600305ebd0 R09: ff29a260033c4030
[ 183.589510] R10: ff29a260030e4118 R11: fefefefefefefeff R12: 0000000000000000
[ 183.589551] R13: 0000000000000011 R14: ff29a260030e4000 R15: ff29a26003104700
[ 183.589592] FS: 0000000000000000(0000) GS:ff29a26083896000(0000) knlGS:0000000000000000
[ 183.589630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 183.589668] CR2: 00007ffc75eeff98 CR3: 0000000002dc8001 CR4: 0000000000771ef0
[ 183.589712] PKRU: 55555554
[ 183.589727] Call Trace:
[ 183.589747]
[ 183.589762] unregister_netdevice_many_notify+0x877/0x9d0
[ 183.589789] unregister_netdevice_queue+0x9e/0xd0
[ 183.589817] __tun_detach+0x591/0x5b0
[ 183.589839] tun_chr_close+0x3f/0xc0
[ 183.589864] __fput+0xe8/0x2c0
[ 183.589887] task_work_run+0x63/0xa0
[ 183.589906] do_exit+0x2c1/0xba0
[ 183.589925] do_group_exit+0x2d/0xc0
[ 183.589946] ? __sys_sendto+0x194/0x220
[ 183.589969] get_signal+0x82e/0x900
[ 183.589991] arch_do_signal_or_restart+0x77/0x2b0
[ 183.590018] exit_to_user_mode_loop+0x75/0x4a0
[ 183.590054] do_syscall_64+0x439/0xfc0
[ 183.590078] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 183.590110] RIP: 0033:0x4c2d9e
[ 183.590133] Code: Unable to access opcode bytes at 0x4c2d74.
[ 183.590170] RSP: 002b:00007ffca8743130 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 183.590212] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 183.590254] RDX: 0000000000000014 RSI: 00007ffca8743210 RDI: 0000000000000007
[ 183.590297] RBP: 00007ffca8743140 R08: 00007ffca87431d0 R09: 000000000000000c
[ 183.590335] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000025c31db0
[ 183.590371] R13: 00007ffca8743d58 R14: 00007ffca8743300 R15: 0000000000543540
[ 183.590409]
[ 183.590428] ---[ end trace 0000000000000000 ]---
[ 183.599096] ------------[ cut here ]------------
[ 183.599135] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/64
[ 183.599199] Modules linked in:
[ 183.599226] CPU: 0 UID: 0 PID: 64 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 183.599288] Tainted: [W]=WARN
[ 183.599310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 183.599351] Workqueue: netns cleanup_net
[ 183.599376] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 183.599406] 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
[ 183.599504] RSP: 0018:ff60724180237c78 EFLAGS: 00010286
[ 183.599536] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 183.599578] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003104700
[ 183.599619] RBP: 0000000000000000 R08: ff29a26003224a90 R09: ff29a26004d5c82c
[ 183.599672] R10: ff29a26001d80118 R11: fefefefefefefeff R12: 0000000000000000
[ 183.599712] R13: 0000000000000011 R14: ff29a26001d80000 R15: ff29a26003104700
[ 183.599758] FS: 0000000000000000(0000) GS:ff29a26083896000(0000) knlGS:0000000000000000
[ 183.599804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 183.599841] CR2: 0000561bed0aa2b8 CR3: 0000000002e8d003 CR4: 0000000000771ef0
[ 183.599884] PKRU: 55555554
[ 183.599899] Call Trace:
[ 183.599914]
[ 183.599929] unregister_netdevice_many_notify+0x877/0x9d0
[ 183.599956] default_device_exit_batch+0x318/0x390
[ 183.599991] ops_undo_list+0x10b/0x240
[ 183.600014] cleanup_net+0x1d7/0x2e0
[ 183.600036] process_one_work+0x162/0x360
[ 183.600065] worker_thread+0x16e/0x2d0
[ 183.600086] ? rescuer_thread+0x510/0x510
[ 183.600110] kthread+0xe1/0x120
[ 183.600132] ? kthread_park+0xa0/0xa0
[ 183.600157] ret_from_fork+0x16d/0x250
[ 183.600181] ? kthread_park+0xa0/0xa0
[ 183.600202] ret_from_fork_asm+0x11/0x20
[ 183.600228]
[ 183.600244] ---[ end trace 0000000000000000 ]---