BUG: unable to handle kernel paging request at ffffeafff9148020
IP: [<ffffffff8150e8f8>] __read_once_size include/linux/compiler.h:218 [inline]
IP: [<ffffffff8150e8f8>] compound_head include/linux/page-flags.h:415 [inline]
IP: [<ffffffff8150e8f8>] page_count include/linux/mm.h:470 [inline]
IP: [<ffffffff8150e8f8>] __split_huge_page_pmd+0x2c8/0x820 mm/huge_memory.c:3029
PGD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 7595 Comm: syz-executor3 Not tainted 4.4.150-g5541782 #19
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8800a4e40000 task.stack: ffff8800b3348000
RIP: 0010:[<ffffffff8150e8f8>]  [<ffffffff8150e8f8>] __read_once_size include/linux/compiler.h:218 [inline]
RIP: 0010:[<ffffffff8150e8f8>]  [<ffffffff8150e8f8>] compound_head include/linux/page-flags.h:415 [inline]
RIP: 0010:[<ffffffff8150e8f8>]  [<ffffffff8150e8f8>] page_count include/linux/mm.h:470 [inline]
RIP: 0010:[<ffffffff8150e8f8>]  [<ffffffff8150e8f8>] __split_huge_page_pmd+0x2c8/0x820 mm/huge_memory.c:3029
RSP: 0018:ffff8800b334fa38  EFLAGS: 00010246
RAX: 1ffffd5fff229004 RBX: ffffeafff9148020 RCX: ffffc90003096000
RDX: 0000000000000232 RSI: ffffffff8150e8c0 RDI: 00003ffe452001e0
RBP: ffff8800b334fb40 R08: ffffffff85302070 R09: 0000000000000000
R10: 0000000000000001 R11: ffff8800a4e40000 R12: ffffeafff9148000
R13: dffffc0000000000 R14: ffff8800bb95a800 R15: ffff8800bb95a800
FS:  0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f5781b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: ffffeafff9148020 CR3: 00000000ba99f000 CR4: 00000000001606f0
Stack:
 ffffffff814b30fb ffff8800a4e40920 ffffffff853d1d60 fffffbfff0882602
 ffff8800a4e408d8 ffff8800a4e40928 ffff8800a4e408e0 ffff8800b58f0108
 1ffff10016669f57 ffff88013b95a000 0000000000000000 0000000020200000
Call Trace:
 [<ffffffff815104aa>] split_huge_page_pmd_mm+0x7a/0x90 mm/huge_memory.c:3058
 [<ffffffff81510691>] split_huge_page_address+0x1d1/0x220 mm/huge_memory.c:3085
 [<ffffffff815108c6>] vma_adjust_trans_huge+0x1e6/0x2c0 mm/huge_memory.c:3101
 [<ffffffff814ab4b0>] vma_adjust+0xd50/0x13d0 mm/mmap.c:833
 [<ffffffff814abf92>] __split_vma.isra.40+0x462/0x750 mm/mmap.c:2581
 [<ffffffff814b30fb>] split_vma+0x5b/0x80 mm/mmap.c:2613
 [<ffffffff814a680b>] mlock_fixup+0x3cb/0x510 mm/mlock.c:523
 [<ffffffff814a6b91>] apply_vma_lock_flags+0x241/0x330 mm/mlock.c:590
 [<ffffffff814a6e46>] do_mlock+0x1c6/0x370 mm/mlock.c:632
 [<ffffffff814a7452>] SYSC_mlock mm/mlock.c:646 [inline]
 [<ffffffff814a7452>] SyS_mlock+0x22/0x30 mm/mlock.c:644
 [<ffffffff81006d94>] do_syscall_32_irqs_on arch/x86/entry/common.c:393 [inline]
 [<ffffffff81006d94>] do_fast_syscall_32+0x324/0x8b0 arch/x86/entry/common.c:460
 [<ffffffff838cca03>] sysenter_flags_fixed+0xd/0x1a
Code: 48 c1 eb 06 48 01 d8 48 8d 58 20 48 89 85 68 ff ff ff 48 89 d8 48 c1 e8 03 42 80 3c 28 00 0f 85 fd 04 00 00 4c 8b a5 68 ff ff ff <4d> 8b 74 24 20 41 f6 c6 01 0f 85 b1 03 00 00 e8 d4 5b e4 ff 49 
RIP  [<ffffffff8150e8f8>] __read_once_size include/linux/compiler.h:218 [inline]
RIP  [<ffffffff8150e8f8>] compound_head include/linux/page-flags.h:415 [inline]
RIP  [<ffffffff8150e8f8>] page_count include/linux/mm.h:470 [inline]
RIP  [<ffffffff8150e8f8>] __split_huge_page_pmd+0x2c8/0x820 mm/huge_memory.c:3029
 RSP <ffff8800b334fa38>
CR2: ffffeafff9148020
---[ end trace 7921c78bf5c630a6 ]---