anon 
flags: 0x105e0000008003c(uptodate|dirty|lru|active|swapbacked)
raw: 0105e0000008003c ffffea0001d1f4c8 ffffea0001d1fc48 ffff88809cfe8cb1
raw: 000000000c4297f0 0000000000000000 0000000100000000 ffff8880a9412ac0
page dumped because: VM_BUG_ON_PAGE(page_ref_count(page))
page->mem_cgroup:ffff8880a9412ac0
------------[ cut here ]------------
kernel BUG at mm/internal.h:77!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1043 Comm: kcompactd0 Not tainted 5.0.0-rc2-next-20190118 #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:set_page_refcounted mm/internal.h:77 [inline]
RIP: 0010:set_page_refcounted mm/internal.h:74 [inline]
RIP: 0010:split_page+0x423/0x500 mm/page_alloc.c:3101
Code: 4c 89 e7 e8 ef f1 10 00 0f 0b 48 c7 c6 80 68 52 88 4c 89 ff e8 de f1 10 00 0f 0b 48 c7 c6 00 69 52 88 4c 89 ff e8 cd f1 10 00 <0f> 0b 48 c7 c6 20 68 52 88 4c 89 e7 e8 bc f1 10 00 0f 0b 4c 89 ef
RSP: 0000:ffff8880a7e3eda8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffea0001d1fc34 RCX: 0000000000000000
RDX: ffffed1014fc7d66 RSI: ffffffff81b480fe RDI: ffffed1014fc7da6
RBP: ffff8880a7e3eed8 R08: 0000000000000021 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a7e3ee20
R13: dffffc0000000000 R14: ffff8880a7e3eeb0 R15: ffffea0001d1fc00
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f32cd448943 CR3: 0000000009871000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 split_map_pages+0x452/0x780 mm/compaction.c:77
 isolate_freepages mm/compaction.c:1527 [inline]
 compaction_alloc+0x1873/0x2970 mm/compaction.c:1541
 unmap_and_move mm/migrate.c:1177 [inline]
 migrate_pages+0x48e/0x2cc0 mm/migrate.c:1417
 compact_zone+0x2207/0x3e90 mm/compaction.c:2173
 kcompactd_do_work+0x6de/0x1200 mm/compaction.c:2564
 kcompactd+0x251/0x970 mm/compaction.c:2657
 kthread+0x357/0x430 kernel/kthread.c:247
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 590b5f766254f093 ]---
RIP: 0010:set_page_refcounted mm/internal.h:77 [inline]
RIP: 0010:set_page_refcounted mm/internal.h:74 [inline]
RIP: 0010:split_page+0x423/0x500 mm/page_alloc.c:3101
Code: 4c 89 e7 e8 ef f1 10 00 0f 0b 48 c7 c6 80 68 52 88 4c 89 ff e8 de f1 10 00 0f 0b 48 c7 c6 00 69 52 88 4c 89 ff e8 cd f1 10 00 <0f> 0b 48 c7 c6 20 68 52 88 4c 89 e7 e8 bc f1 10 00 0f 0b 4c 89 ef
RSP: 0000:ffff8880a7e3eda8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffea0001d1fc34 RCX: 0000000000000000
RDX: ffffed1014fc7d66 RSI: ffffffff81b480fe RDI: ffffed1014fc7da6
RBP: ffff8880a7e3eed8 R08: 0000000000000021 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a7e3ee20
R13: dffffc0000000000 R14: ffff8880a7e3eeb0 R15: ffffea0001d1fc00
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f32cd448943 CR3: 0000000097d7e000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400