anon flags: 0x1fffc000009000d(locked|uptodate|dirty|head|swapbacked) raw: 01fffc000009000d dead000000000100 dead000000000200 ffff8880a08335b1 raw: 0000000000020000 0000000000000000 0000020000000000 ffff88805d35c800 page dumped because: VM_BUG_ON_PAGE(compound_mapcount(head)) page->mem_cgroup:ffff88805d35c800 ------------[ cut here ]------------ kernel BUG at mm/huge_memory.c:2716! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 1553 Comm: kswapd0 Not tainted 5.1.0-rc6 #80 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 59 33 c5 ff 48 c7 c6 00 2d 74 87 4c 89 e7 e8 1a a2 ee ff 0f 0b e8 43 33 c5 ff 48 c7 c6 40 2d 74 87 4c 89 e7 e8 04 a2 ee ff <0f> 0b e8 2d 33 c5 ff 4d 8d 77 ff e9 e6 e7 ff ff 41 be 02 00 00 00 RSP: 0018:ffff8880a61c7630 EFLAGS: 00010293 RAX: ffff8880a61ca440 RBX: ffffea0000e90080 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff819a0c42 RDI: ffffed1014c38eaa RBP: ffff8880a61c77a0 R08: 0000000000000021 R09: ffffed1015d05011 R10: ffffed1015d05010 R11: ffff8880ae828087 R12: ffffea0000e90000 R13: 01fffc000009000d R14: 00000000fffffffe R15: ffffea0000e90054 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcd8869ed8 CR3: 000000009033b000 CR4: 00000000001426f0 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:2717 kswapd_shrink_node mm/vmscan.c:3471 [inline] balance_pgdat+0x56c/0xe80 mm/vmscan.c:3629 kswapd+0x5f4/0xfd0 mm/vmscan.c:3884 kthread+0x357/0x430 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 829ccad8e84a40a6 ]--- RIP: 0010:split_huge_page_to_list+0x20cc/0x2de0 mm/huge_memory.c:2716 Code: e8 59 33 c5 ff 48 c7 c6 00 2d 74 87 4c 89 e7 e8 1a a2 ee ff 0f 0b e8 43 33 c5 ff 48 c7 c6 40 2d 74 87 4c 89 e7 e8 04 a2 ee ff <0f> 0b e8 2d 33 c5 ff 4d 8d 77 ff e9 e6 e7 ff ff 41 be 02 00 00 00 RSP: 0018:ffff8880a61c7630 EFLAGS: 00010293 RAX: ffff8880a61ca440 RBX: ffffea0000e90080 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff819a0c42 RDI: ffffed1014c38eaa RBP: ffff8880a61c77a0 R08: 0000000000000021 R09: ffffed1015d05011 R10: ffffed1015d05010 R11: ffff8880ae828087 R12: ffffea0000e90000 R13: 01fffc000009000d R14: 00000000fffffffe R15: ffffea0000e90054 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcd8869ed8 CR3: 000000009033b000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400