invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 1046 Comm: kcompactd0 Not tainted 5.0.0+ #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:3010 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 60 0b 72 87 4c 89 ff e8 3a ff 0b 00 0f 0b <0f> 0b 48 c7 c6 60 07 72 87 4c 89 ff e8 27 ff 0b 00 0f 0b 48 8b 7d RSP: 0018:ffff8880a80af850 EFLAGS: 00010007 RAX: 0000000000000000 RBX: ffffea0001b5fc08 RCX: dffffc0000000000 RDX: 1ffff11025fff923 RSI: 0000000000000008 RDI: ffff88812fffc8e8 RBP: ffff8880a80af898 R08: ffff8880a823c0c0 R09: ffffed1015015f02 R10: ffffed1015015f01 R11: 0000000000000003 R12: 0000000000000008 R13: 0000000000000008 R14: 0000000000000001 R15: ffff88812fffc8e8 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000e5e978 CR3: 0000000062a0b000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000001 DR2: 000000000000f000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: fast_isolate_freepages mm/compaction.c:1358 [inline] isolate_freepages mm/compaction.c:1431 [inline] compaction_alloc+0xa9b/0x2290 mm/compaction.c:1543 unmap_and_move mm/migrate.c:1175 [inline] migrate_pages+0x484/0x2cd0 mm/migrate.c:1426 compact_zone+0x1b56/0x38d0 mm/compaction.c:2174 kcompactd_do_work+0x303/0xaa0 mm/compaction.c:2555 kcompactd+0x247/0x890 mm/compaction.c:2648 kthread+0x357/0x430 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 43c9df3a4271b0d7 ]--- RIP: 0010:__isolate_free_page+0x3b8/0x4c0 mm/page_alloc.c:3010 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 60 0b 72 87 4c 89 ff e8 3a ff 0b 00 0f 0b <0f> 0b 48 c7 c6 60 07 72 87 4c 89 ff e8 27 ff 0b 00 0f 0b 48 8b 7d RSP: 0018:ffff8880a80af850 EFLAGS: 00010007 RAX: 0000000000000000 RBX: ffffea0001b5fc08 RCX: dffffc0000000000 RDX: 1ffff11025fff923 RSI: 0000000000000008 RDI: ffff88812fffc8e8 RBP: ffff8880a80af898 R08: ffff8880a823c0c0 R09: ffffed1015015f02 R10: ffffed1015015f01 R11: 0000000000000003 R12: 0000000000000008 R13: 0000000000000008 R14: 0000000000000001 R15: ffff88812fffc8e8 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000e5e978 CR3: 0000000062a0b000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000001 DR2: 000000000000f000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400