list_del corruption. next->prev should be ffff8881ca0f6730, but was ffff8881b51fa6f0
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:56!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7619 Comm: ip Not tainted 4.20.0-rc6-next-20181210+ #164
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_del_entry_valid.cold.1+0x37/0x4a lib/list_debug.c:54
Code: e8 36 1f d2 fd 0f 0b 4c 89 ea 48 89 de 48 c7 c7 60 e4 80 88 e8 22 1f d2 fd 0f 0b 48 89 de 48 c7 c7 c0 e5 80 88 e8 11 1f d2 fd <0f> 0b 48 89 de 48 c7 c7 60 e5 80 88 e8 00 1f d2 fd 0f 0b 48 89 d9
kobject: 'loop1' (000000000aaca317): kobject_uevent_env
RSP: 0018:ffff88818596e740 EFLAGS: 00010282
RAX: 0000000000000054 RBX: ffff8881ca0f6730 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff816621c5 RDI: 0000000000000005
RBP: ffff88818596e758 R08: ffff8881cb2b0340 R09: ffffed103b5a5020
R10: ffffed103b5a5020 R11: ffff8881dad28107 R12: ffff8881ca0f62b0
R13: ffffffff8a1dca60 R14: ffff88818596e860 R15: 1ffff11030b2dcf4
FS:  00007fb0ff769700(0000) GS:ffff8881dad00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000063f210 CR3: 00000001d3bcc000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kobject: 'loop1' (000000000aaca317): fill_kobj_path: path = '/devices/virtual/block/loop1'
 __list_del_entry include/linux/list.h:117 [inline]
 list_del_init include/linux/list.h:159 [inline]
 neigh_mark_dead+0x13b/0x410 net/core/neighbour.c:125
kobject: 'loop2' (00000000119e6fb6): kobject_uevent_env
 neigh_flush_dev+0x3a1/0x960 net/core/neighbour.c:290
 neigh_changeaddr+0x31/0x40 net/core/neighbour.c:319
 ndisc_netdev_event+0xe6/0x5b0 net/ipv6/ndisc.c:1770
 notifier_call_chain+0x17e/0x380 kernel/notifier.c:93
 __raw_notifier_call_chain kernel/notifier.c:394 [inline]
 raw_notifier_call_chain+0x2d/0x40 kernel/notifier.c:401
 call_netdevice_notifiers_info+0x3f/0x90 net/core/dev.c:1737
 call_netdevice_notifiers_extack net/core/dev.c:1749 [inline]
 call_netdevice_notifiers net/core/dev.c:1763 [inline]
 dev_set_mac_address+0x293/0x3b0 net/core/dev.c:7780
 do_setlink+0x7c7/0x3f30 net/core/rtnetlink.c:2447
 __rtnl_newlink+0xcde/0x19e0 net/core/rtnetlink.c:3115
 rtnl_newlink+0x6b/0xa0 net/core/rtnetlink.c:3240
 rtnetlink_rcv_msg+0x46a/0xc20 net/core/rtnetlink.c:4969
 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2477
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:4987
 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
 netlink_unicast+0x5a5/0x760 net/netlink/af_netlink.c:1336
 netlink_sendmsg+0xa18/0xfc0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:632
 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2117
 __sys_sendmsg+0x11d/0x280 net/socket.c:2155
 __do_sys_sendmsg net/socket.c:2164 [inline]
 __se_sys_sendmsg net/socket.c:2162 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2162
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fb0fee8a320
Code: 02 48 83 c8 ff eb 8d 48 8b 05 14 7b 2a 00 f7 da 64 89 10 48 83 c8 ff eb c9 90 83 3d d5 d2 2a 00 00 75 10 b8 2e 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e ba 00 00 48 89 04 24
RSP: 002b:00007ffc01444868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ffc01448960 RCX: 00007fb0fee8a320
RDX: 0000000000000000 RSI: 00007ffc014448a0 RDI: 0000000000000003
RBP: 00007ffc014448a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000005c115dfc
R13: 0000000000000000 R14: 00000000006395c0 R15: 00007ffc01449140
Modules linked in:
---[ end trace 908d833a935b64e0 ]---
RIP: 0010:__list_del_entry_valid.cold.1+0x37/0x4a lib/list_debug.c:54
Code: e8 36 1f d2 fd 0f 0b 4c 89 ea 48 89 de 48 c7 c7 60 e4 80 88 e8 22 1f d2 fd 0f 0b 48 89 de 48 c7 c7 c0 e5 80 88 e8 11 1f d2 fd <0f> 0b 48 89 de 48 c7 c7 60 e5 80 88 e8 00 1f d2 fd 0f 0b 48 89 d9
RSP: 0018:ffff88818596e740 EFLAGS: 00010282
RAX: 0000000000000054 RBX: ffff8881ca0f6730 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff816621c5 RDI: 0000000000000005
RBP: ffff88818596e758 R08: ffff8881cb2b0340 R09: ffffed103b5a5020
R10: ffffed103b5a5020 R11: ffff8881dad28107 R12: ffff8881ca0f62b0
R13: ffffffff8a1dca60 R14: ffff88818596e860 R15: 1ffff11030b2dcf4
FS:  00007fb0ff769700(0000) GS:ffff8881dad00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000063f210 CR3: 00000001d3bcc000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400