page dumped because: VM_BUG_ON_PAGE(compound_mapcount(head)) page->mem_cgroup:ffff8880a829c240 ------------[ cut here ]------------ kernel BUG at mm/huge_memory.c:2716! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 1552 Comm: kswapd0 Not tainted 5.1.0-rc5+ #72 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:split_huge_page_to_list+0x20cc/0x2de0 mm/huge_memory.c:2716 Code: e8 b9 39 c5 ff 48 c7 c6 40 2b 74 87 4c 89 e7 e8 ca a3 ee ff 0f 0b e8 a3 39 c5 ff 48 c7 c6 80 2b 74 87 4c 89 e7 e8 b4 a3 ee ff <0f> 0b e8 8d 39 c5 ff 4d 8d 77 ff e9 e6 e7 ff ff 41 be 02 00 00 00 RSP: 0018:ffff8880a61ff630 EFLAGS: 00010293 RAX: ffff8880a6204400 RBX: ffffea0000378080 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff819a0752 RDI: ffffed1014c3feaa RBP: ffff8880a61ff7a0 R08: 0000000000000021 R09: ffffed1015d05011 R10: ffffed1015d05010 R11: ffff8880ae828087 R12: ffffea0000378000 R13: 01fffc000009000d R14: 00000000fffffffe R15: ffffea0000378054 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000073c000 CR3: 0000000058511000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: split_huge_page include/linux/huge_mm.h:148 [inline] deferred_split_scan+0x64b/0xa60 mm/huge_memory.c:2853 do_shrink_slab+0x400/0xa80 mm/vmscan.c:551 shrink_slab mm/vmscan.c:700 [inline] shrink_slab+0x4be/0x5e0 mm/vmscan.c:680 shrink_node+0x552/0x1570 mm/vmscan.c:2724 kswapd_shrink_node mm/vmscan.c:3482 [inline] balance_pgdat+0x56c/0xe80 mm/vmscan.c:3640 kswapd+0x5f4/0xfd0 mm/vmscan.c:3895 kthread+0x357/0x430 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace d2acf72186de4de8 ]--- RIP: 0010:split_huge_page_to_list+0x20cc/0x2de0 mm/huge_memory.c:2716 Code: e8 b9 39 c5 ff 48 c7 c6 40 2b 74 87 4c 89 e7 e8 ca a3 ee ff 0f 0b e8 a3 39 c5 ff 48 c7 c6 80 2b 74 87 4c 89 e7 e8 b4 a3 ee ff <0f> 0b e8 8d 39 c5 ff 4d 8d 77 ff e9 e6 e7 ff ff 41 be 02 00 00 00 RSP: 0018:ffff8880a61ff630 EFLAGS: 00010293 RAX: ffff8880a6204400 RBX: ffffea0000378080 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff819a0752 RDI: ffffed1014c3feaa RBP: ffff8880a61ff7a0 R08: 0000000000000021 R09: ffffed1015d05011 R10: ffffed1015d05010 R11: ffff8880ae828087 R12: ffffea0000378000 R13: 01fffc000009000d R14: 00000000fffffffe R15: ffffea0000378054 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f58cf734db8 CR3: 000000006fcbd000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400