[ 2.288187] ------------[ cut here ]------------ [ 2.288279] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/170 [ 2.288382] Modules linked in: [ 2.288440] CPU: 2 UID: 0 PID: 170 Comm: ip Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 2.288535] Tainted: [W]=WARN [ 2.288588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.288657] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 2.288720] 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 ab fb ff b9 a6 ff ff [ 2.288861] RSP: 0018:ff3945f380457cc8 EFLAGS: 00010286 [ 2.288922] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 2.288999] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff161794c2b8ab00 [ 2.289077] RBP: 0000000000000000 R08: ff161794c3132350 R09: ff161794c326e02c [ 2.289159] R10: ff161794c3269120 R11: fefefefefefefeff R12: 0000000000000000 [ 2.289237] R13: 0000000000000010 R14: ff161794c3269000 R15: ff161794c2b8ab00 [ 2.289318] FS: 00007fece0dfc840(0000) GS:ff16179555b75000(0000) knlGS:0000000000000000 [ 2.289402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.289473] CR2: 0000000000479648 CR3: 0000000002c17004 CR4: 0000000000771ef0 [ 2.289550] PKRU: 55555554 [ 2.289597] Call Trace: [ 2.289649] [ 2.289700] rtmsg_ifinfo+0x3c/0xa0 [ 2.289785] register_netdevice+0x889/0x9f0 [ 2.289848] register_netdev+0x1e/0x30 [ 2.289905] loopback_net_init+0x57/0xb0 [ 2.289965] ? vsock_sysctl_init_net+0xb6/0x140 [ 2.290038] ops_init+0x68/0x140 [ 2.290096] setup_net+0x85/0x150 [ 2.290158] copy_net_ns+0xf5/0x200 [ 2.290215] create_new_namespaces+0x117/0x2f0 [ 2.290285] unshare_nsproxy_namespaces+0x85/0xb0 [ 2.290358] ksys_unshare+0x346/0x5e0 [ 2.290418] __x64_sys_unshare+0x12/0x20 [ 2.290473] do_syscall_64+0x104/0xfc0 [ 2.290531] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.290597] RIP: 0033:0x7fece10bebcb [ 2.290653] 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 [ 2.290788] RSP: 002b:00007fffc715e528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 2.290865] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fece10bebcb [ 2.290942] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000 [ 2.291019] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 2.291096] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffc7160750 [ 2.291176] R13: 0000000000000001 R14: 00007fece0dfc6f8 R15: 00007fffc7161759 [ 2.291252] [ 2.291300] ---[ end trace 0000000000000000 ]--- [ 2.294591] ------------[ cut here ]------------ [ 2.294629] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/171 [ 2.294685] Modules linked in: [ 2.294708] CPU: 3 UID: 0 PID: 171 Comm: ip Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 2.294768] Tainted: [W]=WARN [ 2.294793] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.294827] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 2.294857] 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 ab fb ff b9 a6 ff ff [ 2.294948] RSP: 0018:ff3945f38045f720 EFLAGS: 00010286 [ 2.294975] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000 [ 2.295019] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff161794c1df4b00 [ 2.295060] RBP: 0000000000000000 R08: ff161794c3132350 R09: ff161794c206302c [ 2.295097] R10: ff161794c3269120 R11: fefefefefefefeff R12: 0000000000000000 [ 2.295138] R13: 0000000000000010 R14: ff161794c3269000 R15: ff161794c1df4b00 [ 2.295182] FS: 00007f37ddc3a840(0000) GS:ff16179555bf5000(0000) knlGS:0000000000000000 [ 2.295225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.295261] CR2: 000000001a9b3988 CR3: 0000000006ddb002 CR4: 0000000000771ef0 [ 2.295305] PKRU: 55555554 [ 2.295318] Call Trace: [ 2.295332] [ 2.295345] rtmsg_ifinfo+0x3c/0xa0 [ 2.295358] __dev_notify_flags+0xb1/0xf0 [ 2.295381] ? rtnl_getlink+0x456/0x5e0 [ 2.295405] netif_change_flags+0x54/0x70 [ 2.295427] do_setlink.isra.0+0x3a2/0x1500 [ 2.295448] ? __nla_validate_parse+0x76/0xf20 [ 2.295479] rtnl_newlink+0x9d3/0xd90 [ 2.295499] ? kmalloc_reserve+0xa9/0x170 [ 2.295523] ? do_setlink.isra.0+0x1500/0x1500 [ 2.295546] rtnetlink_rcv_msg+0x39f/0x460 [ 2.295566] ? netlink_unicast+0x306/0x3a0 [ 2.295587] ? rtnl_calcit.isra.0+0x160/0x160 [ 2.295615] netlink_rcv_skb+0xca/0x140 [ 2.295638] netlink_unicast+0x26b/0x3a0 [ 2.295661] netlink_sendmsg+0x1e2/0x430 [ 2.295682] ____sys_sendmsg+0x14c/0x2b0 [ 2.295706] ___sys_sendmsg+0xe1/0x120 [ 2.295728] __sys_sendmsg+0xad/0x100 [ 2.295746] do_syscall_64+0x104/0xfc0 [ 2.295768] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.295796] RIP: 0033:0x7f37dde7408e [ 2.295819] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 2.295906] RSP: 002b:00007fff7bf9e6f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 2.295948] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f37dde7408e [ 2.295987] RDX: 0000000000000000 RSI: 00007fff7bf9e7a0 RDI: 0000000000000005 [ 2.296026] RBP: 00007fff7bf9e700 R08: 0000000000000000 R09: 0000000000000000 [ 2.296065] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d983 [ 2.296107] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7bf9ee70 [ 2.296156] [ 2.296171] ---[ end trace 0000000000000000 ]--- [ 9.025190] ------------[ cut here ]------------ [ 9.025247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/65 [ 9.025307] Modules linked in: tcp_diag mptcp_diag inet_diag [ 9.025348] CPU: 0 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 9.025407] Tainted: [W]=WARN [ 9.025427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.025461] Workqueue: netns cleanup_net [ 9.025486] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 9.025513] 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 ab fb ff b9 a6 ff ff [ 9.025607] RSP: 0018:ff3945f38023fc08 EFLAGS: 00010286 [ 9.025630] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000 [ 9.025674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff161794c2fc6400 [ 9.025715] RBP: 0000000000000000 R08: ff161794c3132350 R09: ff161794c19ce02c [ 9.025754] R10: ff161794c3269120 R11: fefefefefefefeff R12: 0000000000000000 [ 9.025796] R13: 0000000000000010 R14: ff161794c3269000 R15: ff161794c2fc6400 [ 9.025837] FS: 0000000000000000(0000) GS:ff16179555a75000(0000) knlGS:0000000000000000 [ 9.025876] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.025903] CR2: 000055aa485f4d5c CR3: 0000000006c6a006 CR4: 0000000000771ef0 [ 9.025944] PKRU: 55555554 [ 9.025963] Call Trace: [ 9.025979] [ 9.025995] rtmsg_ifinfo+0x3c/0xa0 [ 9.026018] netif_close_many+0xed/0x190 [ 9.026038] unregister_netdevice_many_notify+0x267/0x9d0 [ 9.026066] default_device_exit_batch+0x318/0x390 [ 9.026094] ops_undo_list+0x10b/0x240 [ 9.026115] cleanup_net+0x1d7/0x2e0 [ 9.026144] process_one_work+0x162/0x360 [ 9.026171] worker_thread+0x16e/0x2d0 [ 9.026194] ? rescuer_thread+0x510/0x510 [ 9.026216] kthread+0xe1/0x120 [ 9.026239] ? kthread_park+0xa0/0xa0 [ 9.026257] ret_from_fork+0x16d/0x250 [ 9.026283] ? kthread_park+0xa0/0xa0 [ 9.026302] ret_from_fork_asm+0x11/0x20 [ 9.026328] [ 9.026342] ---[ end trace 0000000000000000 ]--- [ 9.026460] ------------[ cut here ]------------ [ 9.026488] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/65 [ 9.026548] Modules linked in: tcp_diag mptcp_diag inet_diag [ 9.026586] CPU: 0 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy) [ 9.026638] Tainted: [W]=WARN [ 9.026659] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.026689] Workqueue: netns cleanup_net [ 9.026714] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110 [ 9.026739] 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 ab fb ff b9 a6 ff ff [ 9.026827] RSP: 0018:ff3945f38023fc78 EFLAGS: 00010286 [ 9.026858] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000 [ 9.026900] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff161794c2fc6400 [ 9.026939] RBP: 0000000000000000 R08: ff161794c3132350 R09: ff161794c326202c [ 9.026983] R10: ff161794c3269120 R11: fefefefefefefeff R12: 0000000000000000 [ 9.027030] R13: 0000000000000011 R14: ff161794c3269000 R15: ff161794c2fc6400 [ 9.027070] FS: 0000000000000000(0000) GS:ff16179555a75000(0000) knlGS:0000000000000000 [ 9.027110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.027147] CR2: 000055aa485f4d5c CR3: 0000000006048002 CR4: 0000000000771ef0 [ 9.027193] PKRU: 55555554 [ 9.027209] Call Trace: [ 9.027226] [ 9.027242] unregister_netdevice_many_notify+0x877/0x9d0 [ 9.027274] default_device_exit_batch+0x318/0x390 [ 9.027299] ops_undo_list+0x10b/0x240 [ 9.027320] cleanup_net+0x1d7/0x2e0 [ 9.027342] process_one_work+0x162/0x360 [ 9.027365] worker_thread+0x16e/0x2d0 [ 9.027387] ? rescuer_thread+0x510/0x510 [ 9.027409] kthread+0xe1/0x120 [ 9.027431] ? kthread_park+0xa0/0xa0 [ 9.027453] ret_from_fork+0x16d/0x250 [ 9.027474] ? kthread_park+0xa0/0xa0 [ 9.027494] ret_from_fork_asm+0x11/0x20 [ 9.027514] [ 9.027528] ---[ end trace 0000000000000000 ]---