[ 2.098035] modprobe (160) used greatest stack depth: 12264 bytes left [ 2.099077] netdevsim netdevsim262 eni262np1: renamed from eth0 [ 2.123922] team0: Port device eni262np1 added [ 2.133257] team0 (unregistering): Port device eni262np1 removed [ 2.155493] team0: entered promiscuous mode [ 2.158899] dummyteam: entered promiscuous mode [ 2.158975] team0: Port device dummyteam added [ 2.165790] dummyteam: left promiscuous mode [ 2.165894] team0 (unregistering): Port device dummyteam removed [ 2.203688] team0: Port device dummyteam added [ 2.210335] team0: entered promiscuous mode [ 2.210358] dummyteam: entered promiscuous mode [ 2.220331] BUG: kernel NULL pointer dereference, address: 0000000000000858 [ 2.220371] #PF: supervisor read access in kernel mode [ 2.220400] #PF: error_code(0x0000) - not-present page [ 2.220429] PGD 6227067 P4D 6219067 PUD 6215067 PMD 0 [ 2.220459] Oops: Oops: 0000 [#1] SMP [ 2.220485] CPU: 2 UID: 0 PID: 195 Comm: ip Not tainted 7.2.0-rc1-virtme #1 PREEMPT(lazy) [ 2.220529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.220563] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [ 2.220596] 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 [ 2.220690] RSP: 0018:ff5e8356003cf698 EFLAGS: 00010292 [ 2.220719] RAX: 0000000000000000 RBX: ff177c2142fa2000 RCX: 0000000000000000 [ 2.220759] RDX: 0000000000000000 RSI: ff177c2142fa2818 RDI: ff177c2142e87000 [ 2.220800] RBP: ff177c2142fa2818 R08: ff177c21433721c0 R09: 0000000000000000 [ 2.220841] R10: 0000000000000000 R11: 0000000000000001 R12: ff177c2142e87000 [ 2.220882] R13: ff177c2141dee200 R14: ff177c2143199740 R15: 0000000000000003 [ 2.220927] FS: 00007fc78e31f840(0000) GS:ff177c21d832e000(0000) knlGS:0000000000000000 [ 2.220969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.221003] CR2: 0000000000000858 CR3: 0000000002b86004 CR4: 0000000000771ef0 [ 2.221044] PKRU: 55555554 [ 2.221058] Call Trace: [ 2.221072] [ 2.221086] ? enable_work+0x3a/0x100 [ 2.221110] ? cancel_work_sync+0x62/0x70 [ 2.221131] macvlan_port_destroy+0xa1/0xb0 [ 2.221152] unregister_netdevice_many_notify+0x685/0xa30 [ 2.221184] rtnl_dellink+0x257/0x430 [ 2.221208] ? rtnl_dellinkprop+0x20/0x20 [ 2.221230] rtnetlink_rcv_msg+0x39f/0x460 [ 2.221252] ? get_page_from_freelist+0xf9d/0x1640 [ 2.221283] ? rtnl_calcit.isra.0+0x160/0x160 [ 2.221312] netlink_rcv_skb+0xca/0x140 [ 2.221335] netlink_unicast+0x26b/0x3a0 [ 2.221357] netlink_sendmsg+0x1e2/0x430 [ 2.221378] ____sys_sendmsg+0x14c/0x2b0 [ 2.221400] ___sys_sendmsg+0xe1/0x120 [ 2.221422] __sys_sendmsg+0xa4/0x100 [ 2.221444] do_syscall_64+0x104/0x520 [ 2.221466] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.221499] RIP: 0033:0x7fc78e55854e [ 2.221520] 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 [ 2.221613] RSP: 002b:00007ffceff66d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 2.221655] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc78e55854e [ 2.221696] RDX: 0000000000000000 RSI: 00007ffceff66db0 RDI: 0000000000000005 [ 2.221737] RBP: 00007ffceff66d10 R08: 0000000000000000 R09: 0000000000000000 [ 2.221779] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a50934b [ 2.221820] R13: 00000000004a0620 R14: 0000000000000000 R15: 00007ffceff67470 [ 2.221871] [ 2.221885] Modules linked in: netdevsim [ 2.221908] CR2: 0000000000000858 [ 2.221929] ---[ end trace 0000000000000000 ]--- [ 2.221956] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [ 2.221984] 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 [ 2.222076] RSP: 0018:ff5e8356003cf698 EFLAGS: 00010292 [ 2.222104] RAX: 0000000000000000 RBX: ff177c2142fa2000 RCX: 0000000000000000 [ 2.222145] RDX: 0000000000000000 RSI: ff177c2142fa2818 RDI: ff177c2142e87000 [ 2.222186] RBP: ff177c2142fa2818 R08: ff177c21433721c0 R09: 0000000000000000 [ 2.222227] R10: 0000000000000000 R11: 0000000000000001 R12: ff177c2142e87000 [ 2.222268] R13: ff177c2141dee200 R14: ff177c2143199740 R15: 0000000000000003 [ 2.222311] FS: 00007fc78e31f840(0000) GS:ff177c21d832e000(0000) knlGS:0000000000000000 [ 2.222353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.222386] CR2: 0000000000000858 CR3: 0000000002b86004 CR4: 0000000000771ef0 [ 2.222427] PKRU: 55555554 [ 2.222442] note: ip[195] exited with irqs disabled [ 2.223102] ip (195) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr