[ 4.164695] modprobe (264) used greatest stack depth: 12496 bytes left [ 4.171131] br: port 1(vx) entered blocking state [ 4.171168] br: port 1(vx) entered disabled state [ 4.171203] vx: entered allmulticast mode [ 4.171249] vx: entered promiscuous mode [ 4.171289] br: port 1(vx) entered blocking state [ 4.171315] br: port 1(vx) entered forwarding state [ 6.213337] vx: left allmulticast mode [ 6.213404] vx: left promiscuous mode [ 6.213467] br: port 1(vx) entered disabled state [ 6.258715] br: port 1(vx) entered blocking state [ 6.258751] br: port 1(vx) entered disabled state [ 6.258784] vx: entered allmulticast mode [ 6.258825] vx: entered promiscuous mode [ 6.258855] br: port 1(vx) entered blocking state [ 6.258886] br: port 1(vx) entered forwarding state [ 8.300103] vx: left allmulticast mode [ 8.300143] vx: left promiscuous mode [ 8.300173] br: port 1(vx) entered disabled state [ 8.334599] dd: entered promiscuous mode [ 10.377806] dd: left promiscuous mode [ 10.377914] BUG: kernel NULL pointer dereference, address: 0000000000000858 [ 10.377952] #PF: supervisor read access in kernel mode [ 10.377988] #PF: error_code(0x0000) - not-present page [ 10.378018] PGD 7ba1067 P4D 56c1067 PUD 56bb067 PMD 0 [ 10.378051] Oops: Oops: 0000 [#1] SMP [ 10.378075] CPU: 0 UID: 0 PID: 495 Comm: ip Not tainted 7.2.0-rc1-virtme #1 PREEMPT(lazy) [ 10.378118] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.378154] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [ 10.378188] Code: 10 eb d9 0f 1f 40 00 0f 1f 44 00 00 48 81 ec 88 00 00 00 65 48 8b 05 4c a1 6b 01 48 89 84 24 80 00 00 00 48 8b 87 00 01 00 00 80 58 08 00 00 01 74 24 48 8b 10 48 8b 92 58 04 00 00 8b 0a 0f [ 10.378282] RSP: 0018:ff6002dd41433698 EFLAGS: 00010292 [ 10.378311] RAX: 0000000000000000 RBX: ff4474558199a000 RCX: 0000000000000000 [ 10.378351] RDX: 0000000000000000 RSI: ff4474558199a818 RDI: ff44745585565000 [ 10.378395] RBP: ff4474558199a818 R08: ff4474558553d7c0 R09: 0000000000000400 [ 10.378437] R10: 0000000000000001 R11: 0000000000000001 R12: ff44745585565000 [ 10.378479] R13: ff44745581909300 R14: ff44745584458000 R15: 0000000000000003 [ 10.378523] FS: 00007f6c08b1d840(0000) GS:ff44745603437000(0000) knlGS:0000000000000000 [ 10.378566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.378599] CR2: 0000000000000858 CR3: 00000000056ed005 CR4: 0000000000771ef0 [ 10.378650] PKRU: 55555554 [ 10.378663] Call Trace: [ 10.378674] [ 10.378691] ? enable_work+0x3a/0x100 [ 10.378715] ? cancel_work_sync+0x62/0x70 [ 10.378736] macvlan_port_destroy+0xa1/0xb0 [ 10.378759] unregister_netdevice_many_notify+0x685/0xa30 [ 10.378790] rtnl_dellink+0x257/0x430 [ 10.378814] ? rtnl_dellinkprop+0x20/0x20 [ 10.378836] rtnetlink_rcv_msg+0x39f/0x460 [ 10.378858] ? get_page_from_freelist+0xf9d/0x1640 [ 10.378898] ? rtnl_calcit.isra.0+0x160/0x160 [ 10.378931] netlink_rcv_skb+0xca/0x140 [ 10.378955] netlink_unicast+0x26b/0x3a0 [ 10.378977] netlink_sendmsg+0x1e2/0x430 [ 10.379000] ____sys_sendmsg+0x14c/0x2b0 [ 10.379025] ___sys_sendmsg+0xe1/0x120 [ 10.379047] __sys_sendmsg+0xa4/0x100 [ 10.379072] do_syscall_64+0x104/0x520 [ 10.379093] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.379123] RIP: 0033:0x7f6c08d5654e [ 10.379145] 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 [ 10.379247] RSP: 002b:00007ffef77d55f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.379288] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6c08d5654e [ 10.379331] RDX: 0000000000000000 RSI: 00007ffef77d56a0 RDI: 0000000000000005 [ 10.379369] RBP: 00007ffef77d5600 R08: 0000000000000000 R09: 0000000000000000 [ 10.379409] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a509803 [ 10.379454] R13: 00000000004a0620 R14: 0000000000000000 R15: 00007ffef77d5d60 [ 10.379496] [ 10.379508] Modules linked in: vxlan [ 10.379533] CR2: 0000000000000858 [ 10.379554] ---[ end trace 0000000000000000 ]--- [ 10.379584] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [ 10.379614] Code: 10 eb d9 0f 1f 40 00 0f 1f 44 00 00 48 81 ec 88 00 00 00 65 48 8b 05 4c a1 6b 01 48 89 84 24 80 00 00 00 48 8b 87 00 01 00 00 80 58 08 00 00 01 74 24 48 8b 10 48 8b 92 58 04 00 00 8b 0a 0f [ 10.379705] RSP: 0018:ff6002dd41433698 EFLAGS: 00010292 [ 10.379734] RAX: 0000000000000000 RBX: ff4474558199a000 RCX: 0000000000000000 [ 10.379772] RDX: 0000000000000000 RSI: ff4474558199a818 RDI: ff44745585565000 [ 10.379815] RBP: ff4474558199a818 R08: ff4474558553d7c0 R09: 0000000000000400 [ 10.379856] R10: 0000000000000001 R11: 0000000000000001 R12: ff44745585565000 [ 10.379905] R13: ff44745581909300 R14: ff44745584458000 R15: 0000000000000003 [ 10.379947] FS: 00007f6c08b1d840(0000) GS:ff44745603437000(0000) knlGS:0000000000000000 [ 10.379991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.380025] CR2: 0000000000000858 CR3: 00000000056ed005 CR4: 0000000000771ef0 [ 10.380064] PKRU: 55555554 [ 10.380082] note: ip[495] exited with irqs disabled [ 10.380659] ip (495) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr