BUG: unable to handle kernel paging request at ffffeafff8fa0020
IP: [<ffffffff8154dfa1>] __read_once_size include/linux/compiler.h:243 [inline]
IP: [<ffffffff8154dfa1>] compound_head include/linux/page-flags.h:143 [inline]
IP: [<ffffffff8154dfa1>] PageMlocked include/linux/page-flags.h:327 [inline]
IP: [<ffffffff8154dfa1>] __split_huge_pmd+0x391/0x1870 mm/huge_memory.c:1773
PGD 0 [   89.161979] 
Oops: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 8663 Comm: syz-executor2 Not tainted 4.9.122-g54068d6 #30
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801a8740000 task.stack: ffff8801bdfb8000
RIP: 0010:[<ffffffff8154dfa1>]  [<ffffffff8154dfa1>] __read_once_size include/linux/compiler.h:243 [inline]
RIP: 0010:[<ffffffff8154dfa1>]  [<ffffffff8154dfa1>] compound_head include/linux/page-flags.h:143 [inline]
RIP: 0010:[<ffffffff8154dfa1>]  [<ffffffff8154dfa1>] PageMlocked include/linux/page-flags.h:327 [inline]
RIP: 0010:[<ffffffff8154dfa1>]  [<ffffffff8154dfa1>] __split_huge_pmd+0x391/0x1870 mm/huge_memory.c:1773
RSP: 0018:ffff8801bdfbf9c0  EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffeafff8fa0000 RCX: ffffc90003085000
RDX: 1ffffd5fff1f4004 RSI: ffffffff8154df6e RDI: ffffeafff8fa0020
RBP: ffff8801bdfbfaf0 R08: ffff8801a8740910 R09: 0000000000000001
R10: ffff8801a8740000 R11: 1ffff100350e811d R12: ffffea0000000000
R13: 0000000000000000 R14: ffff8801c8c9c040 R15: ffff8801d7d44800
FS:  0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f572eb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: ffffeafff8fa0020 CR3: 00000001cfe41000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff810d3f06 ffff8801bdfbfa78 0000000000000000 ffff8801a8740000
 ffffed00350e8118 ffff8801a87408c8 ffffffff846df420 0000000000000000
 ffff8801bdfbfa40 ffffffff812324a2 ffff8801d3e4d228 1ffff10037bf7f4d
Call Trace:
 [<ffffffff814ee092>] move_page_tables+0x602/0x1420 mm/mremap.c:230
 [<ffffffff814ef151>] move_vma+0x2a1/0x930 mm/mremap.c:292
 [<ffffffff814f0159>] mremap_to mm/mremap.c:462 [inline]
 [<ffffffff814f0159>] SYSC_mremap mm/mremap.c:526 [inline]
 [<ffffffff814f0159>] SyS_mremap+0x979/0xd20 mm/mremap.c:492
 [<ffffffff81006da7>] do_syscall_32_irqs_on arch/x86/entry/common.c:325 [inline]
 [<ffffffff81006da7>] do_fast_syscall_32+0x2f7/0x870 arch/x86/entry/common.c:387
 [<ffffffff83a023d0>] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137
Code: ff df 4c 21 e3 49 bc 00 00 00 00 00 ea ff ff 48 c1 eb 06 4c 01 e3 48 8d 7b 20 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 14 13 00 00 <4c> 8b 6b 20 49 89 dc 41 f6 c5 01 0f 85 ab 0a 00 00 e8 b9 2d e1 
RIP  [<ffffffff8154dfa1>] __read_once_size include/linux/compiler.h:243 [inline]
RIP  [<ffffffff8154dfa1>] compound_head include/linux/page-flags.h:143 [inline]
RIP  [<ffffffff8154dfa1>] PageMlocked include/linux/page-flags.h:327 [inline]
RIP  [<ffffffff8154dfa1>] __split_huge_pmd+0x391/0x1870 mm/huge_memory.c:1773
 RSP <ffff8801bdfbf9c0>
CR2: ffffeafff8fa0020
---[ end trace 630af55aea3506f9 ]---