[ 2.213252] team0: Port device dummy1 added [ 2.218029] team0: Port device dummy2 added [ 2.225589] dummy1: entered promiscuous mode [ 2.225662] dummy2: entered promiscuous mode [ 2.243975] dummy1: left promiscuous mode [ 2.244056] dummy2: left promiscuous mode [ 2.247425] BUG: kernel NULL pointer dereference, address: 0000000000000858 [ 2.247463] #PF: supervisor read access in kernel mode [ 2.247492] #PF: error_code(0x0000) - not-present page [ 2.247523] PGD 4b6c067 P4D 4b81067 PUD 4b85067 PMD 0 [ 2.247554] Oops: Oops: 0000 [#1] SMP [ 2.247579] CPU: 0 UID: 0 PID: 196 Comm: ip Not tainted 7.2.0-rc1-virtme #1 PREEMPT(lazy) [ 2.247621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.247660] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [ 2.247695] Code: 10 eb d9 0f 1f 40 00 0f 1f 44 00 00 48 81 ec 88 00 00 00 65 48 8b 05 ec c6 2a 01 48 89 84 24 80 00 00 00 48 8b 87 f8 00 00 00 80 58 08 00 00 01 74 24 48 8b 10 48 8b 92 40 04 00 00 8b 0a 0f [ 2.247798] RSP: 0018:ff5264c440c7b5a0 EFLAGS: 00010286 [ 2.247827] RAX: 0000000000000000 RBX: ff1b297bc2d7a000 RCX: 0000000000000000 [ 2.247869] RDX: 0000000000000000 RSI: ff1b297bc2d7a818 RDI: ff1b297bc2d76000 [ 2.247916] RBP: ff1b297bc2d7a818 R08: ff1b297bc3353600 R09: 0000000000000000 [ 2.247959] R10: 0000000000000001 R11: 0000000000000001 R12: ff1b297bc2d76000 [ 2.247997] R13: ff1b297bc189a900 R14: ff1b297bc3290000 R15: 0000000000000003 [ 2.248046] FS: 00007f073b776840(0000) GS:ff1b297c5642e000(0000) knlGS:0000000000000000 [ 2.248088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.248122] CR2: 0000000000000858 CR3: 0000000004b94006 CR4: 0000000000771ef0 [ 2.248167] PKRU: 55555554 [ 2.248181] Call Trace: [ 2.248194] [ 2.248209] ? enable_work+0x3a/0x100 [ 2.248232] ? cancel_work_sync+0x62/0x70 [ 2.248253] macvlan_port_destroy+0xa1/0xb0 [ 2.248276] unregister_netdevice_many_notify+0x685/0xa30 [ 2.248308] macvlan_device_event+0x289/0x2c0 [ 2.248335] notifier_call_chain+0x6d/0x100 [ 2.248357] unregister_netdevice_many_notify+0x547/0xa30 [ 2.248388] rtnl_dellink+0x257/0x430 [ 2.248412] ? rtnl_dellinkprop+0x20/0x20 [ 2.248435] rtnetlink_rcv_msg+0x39f/0x460 [ 2.248456] ? get_page_from_freelist+0xf9d/0x1640 [ 2.248485] ? rtnl_calcit.isra.0+0x160/0x160 [ 2.248514] netlink_rcv_skb+0xca/0x140 [ 2.248539] netlink_unicast+0x26b/0x3a0 [ 2.248561] netlink_sendmsg+0x1e2/0x430 [ 2.248582] ____sys_sendmsg+0x14c/0x2b0 [ 2.248607] ___sys_sendmsg+0xe1/0x120 [ 2.248630] __sys_sendmsg+0xa4/0x100 [ 2.248659] do_syscall_64+0x104/0x520 [ 2.248686] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.248715] RIP: 0033:0x7f073b9af54e [ 2.248737] Code: 4d 89 d8 e8 b4 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 [ 2.248837] RSP: 002b:00007fffe6254900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 2.248880] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f073b9af54e [ 2.248920] RDX: 0000000000000000 RSI: 00007fffe62549b0 RDI: 0000000000000005 [ 2.248961] RBP: 00007fffe6254910 R08: 0000000000000000 R09: 0000000000000000 [ 2.249005] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a508f10 [ 2.249049] R13: 00000000004a0620 R14: 0000000000000000 R15: 00007fffe6255070 [ 2.249088] [ 2.249101] Modules linked in: [ 2.249125] CR2: 0000000000000858 [ 2.249147] ---[ end trace 0000000000000000 ]--- [ 2.249177] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [ 2.249207] Code: 10 eb d9 0f 1f 40 00 0f 1f 44 00 00 48 81 ec 88 00 00 00 65 48 8b 05 ec c6 2a 01 48 89 84 24 80 00 00 00 48 8b 87 f8 00 00 00 80 58 08 00 00 01 74 24 48 8b 10 48 8b 92 40 04 00 00 8b 0a 0f [ 2.249300] RSP: 0018:ff5264c440c7b5a0 EFLAGS: 00010286 [ 2.249333] RAX: 0000000000000000 RBX: ff1b297bc2d7a000 RCX: 0000000000000000 [ 2.249376] RDX: 0000000000000000 RSI: ff1b297bc2d7a818 RDI: ff1b297bc2d76000 [ 2.249420] RBP: ff1b297bc2d7a818 R08: ff1b297bc3353600 R09: 0000000000000000 [ 2.249460] R10: 0000000000000001 R11: 0000000000000001 R12: ff1b297bc2d76000 [ 2.249504] R13: ff1b297bc189a900 R14: ff1b297bc3290000 R15: 0000000000000003 [ 2.249548] FS: 00007f073b776840(0000) GS:ff1b297c5642e000(0000) knlGS:0000000000000000 [ 2.249593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.249631] CR2: 0000000000000858 CR3: 0000000004b94006 CR4: 0000000000771ef0 [ 2.249679] PKRU: 55555554 [ 2.249693] note: ip[196] exited with irqs disabled [ 2.250342] ip (196) used greatest stack depth: 11208 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr