------------[ cut here ]------------ kernel BUG at mm/page_alloc.c:3120! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 1045 Comm: kcompactd0 Not tainted 5.0.0-rc4-next-20190201 #25 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__isolate_free_page+0x3b8/0x4c0 mm/page_alloc.c:3120 Code: 83 c4 20 44 89 e1 b8 01 00 00 00 5b 48 d3 e0 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c6 e0 71 72 87 4c 89 ff e8 ca 01 0c 00 0f 0b <0f> 0b 48 c7 c6 e0 6d 72 87 4c 89 ff e8 b7 01 0c 00 0f 0b 48 8b 7d RSP: 0000:ffff8880a7c4f850 EFLAGS: 00010007 RAX: 0000000000000000 RBX: ffffea0001bf7408 RCX: dffffc0000000000 RDX: 1ffff11025fff916 RSI: 0000000000000004 RDI: ffff88812fffc880 RBP: ffff8880a7c4f898 R08: ffff8880a7d24080 R09: ffffed1014f89f02 R10: ffffed1014f89f01 R11: 0000000000000003 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000000000001 R15: ffff88812fffc880 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000429000 CR3: 000000000c263000 CR4: 00000000001426f0 DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: fast_isolate_freepages mm/compaction.c:1359 [inline] isolate_freepages mm/compaction.c:1432 [inline] compaction_alloc+0xa9b/0x2290 mm/compaction.c:1544 unmap_and_move mm/migrate.c:1181 [inline] migrate_pages+0x484/0x2c60 mm/migrate.c:1421 compact_zone+0x1ad7/0x37c0 mm/compaction.c:2173 kcompactd_do_work+0x303/0xaa0 mm/compaction.c:2554 kcompactd+0x247/0x800 mm/compaction.c:2647 kthread+0x357/0x430 kernel/kthread.c:247 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ======================================================