[ 2.113044] team0: Port device dummy1 added [ 2.116960] team0: Port device dummy2 added [ 2.125333] dummy1: entered promiscuous mode [ 2.125373] dummy2: entered promiscuous mode [ 2.144629] dummy1: left promiscuous mode [ 2.144652] dummy2: left promiscuous mode [ 2.148144] BUG: kernel NULL pointer dereference, address: 0000000000000858 [ 2.148185] #PF: supervisor read access in kernel mode [ 2.148216] #PF: error_code(0x0000) - not-present page [ 2.148245] PGD 5056067 P4D 53f1067 PUD 53eb067 PMD 0 [ 2.148277] Oops: Oops: 0000 [#1] SMP [ 2.148299] CPU: 2 UID: 0 PID: 197 Comm: ip Not tainted 7.2.0-rc1-virtme #1 PREEMPT(lazy) [ 2.148340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.148383] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [ 2.148418] 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 [ 2.148513] RSP: 0018:ff63ac1ec10935a0 EFLAGS: 00010286 [ 2.148540] RAX: 0000000000000000 RBX: ff18761b419a2000 RCX: 0000000000000000 [ 2.148581] RDX: 0000000000000000 RSI: ff18761b419a2818 RDI: ff18761b42ea4000 [ 2.148622] RBP: ff18761b419a2818 R08: ff18761b43332f40 R09: 0000000000000000 [ 2.148663] R10: 0000000000000000 R11: 0000000000000001 R12: ff18761b42ea4000 [ 2.148703] R13: ff18761b41925900 R14: ff18761b4334ae80 R15: 0000000000000003 [ 2.148748] FS: 00007ff605c19840(0000) GS:ff18761be312e000(0000) knlGS:0000000000000000 [ 2.148791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.148827] CR2: 0000000000000858 CR3: 000000000526d004 CR4: 0000000000771ef0 [ 2.148871] PKRU: 55555554 [ 2.148886] Call Trace: [ 2.148902] [ 2.148918] ? enable_work+0x3a/0x100 [ 2.148944] ? cancel_work_sync+0x62/0x70 [ 2.148967] macvlan_port_destroy+0xa1/0xb0 [ 2.148990] unregister_netdevice_many_notify+0x685/0xa30 [ 2.149022] macvlan_device_event+0x289/0x2c0 [ 2.149053] notifier_call_chain+0x6d/0x100 [ 2.149076] unregister_netdevice_many_notify+0x547/0xa30 [ 2.149105] rtnl_dellink+0x257/0x430 [ 2.149129] ? rtnl_dellinkprop+0x20/0x20 [ 2.149151] rtnetlink_rcv_msg+0x39f/0x460 [ 2.149173] ? get_page_from_freelist+0xf9d/0x1640 [ 2.149205] ? rtnl_calcit.isra.0+0x160/0x160 [ 2.149235] netlink_rcv_skb+0xca/0x140 [ 2.149258] netlink_unicast+0x26b/0x3a0 [ 2.149281] netlink_sendmsg+0x1e2/0x430 [ 2.149303] ____sys_sendmsg+0x14c/0x2b0 [ 2.149327] ___sys_sendmsg+0xe1/0x120 [ 2.149354] __sys_sendmsg+0xa4/0x100 [ 2.149377] do_syscall_64+0x104/0x520 [ 2.149399] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.149428] RIP: 0033:0x7ff605e5254e [ 2.149451] 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 [ 2.149549] RSP: 002b:00007fff735aa120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 2.149593] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff605e5254e [ 2.149635] RDX: 0000000000000000 RSI: 00007fff735aa1d0 RDI: 0000000000000005 [ 2.149677] RBP: 00007fff735aa130 R08: 0000000000000000 R09: 0000000000000000 [ 2.149721] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a509425 [ 2.149763] R13: 00000000004a0620 R14: 0000000000000000 R15: 00007fff735aa890 [ 2.149806] [ 2.149821] Modules linked in: [ 2.149846] CR2: 0000000000000858 [ 2.149870] ---[ end trace 0000000000000000 ]--- [ 2.149897] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [ 2.149925] 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 [ 2.150020] RSP: 0018:ff63ac1ec10935a0 EFLAGS: 00010286 [ 2.150049] RAX: 0000000000000000 RBX: ff18761b419a2000 RCX: 0000000000000000 [ 2.150090] RDX: 0000000000000000 RSI: ff18761b419a2818 RDI: ff18761b42ea4000 [ 2.150130] RBP: ff18761b419a2818 R08: ff18761b43332f40 R09: 0000000000000000 [ 2.150173] R10: 0000000000000000 R11: 0000000000000001 R12: ff18761b42ea4000 [ 2.150216] R13: ff18761b41925900 R14: ff18761b4334ae80 R15: 0000000000000003 [ 2.150260] FS: 00007ff605c19840(0000) GS:ff18761be312e000(0000) knlGS:0000000000000000 [ 2.150304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.150338] CR2: 0000000000000858 CR3: 000000000526d004 CR4: 0000000000771ef0 [ 2.150384] PKRU: 55555554 [ 2.150398] note: ip[197] exited with irqs disabled [ 2.151072] ip (197) used greatest stack depth: 11208 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr