BUG: unable to handle kernel paging request at 0000000099df2267
IP: lock_acquire+0x183/0x580 kernel/locking/lockdep.c:4002
PGD 5e28067 P4D 5e28067 PUD 5e2a067 PMD 0 
Oops: 0002 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 9786 Comm: syz-executor5 Not tainted 4.15.0-rc2-next-20171206+ #60
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:lock_acquire+0x183/0x580 kernel/locking/lockdep.c:4002
RSP: 0018:ffff8801c6c1ed60 EFLAGS: 00010046
RAX: 0000000000000007 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8801d65ae480 RSI: 0000000000000000 RDI: ffff8801d65aed04
RBP: ffff8801c6c1ee58 R08: 0000000000000001 R09: 0000000000000000
R10: 1ffff10038d83db2 R11: 0000000000000000 R12: 1ffff10038d83db2
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
FS:  00007f9a9d86d700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff8 CR3: 00000001c920a000 CR4: 00000000001426f0
Call Trace:
 finish_lock_switch kernel/sched/sched.h:1367 [inline]
 finish_task_switch+0x1cb/0x740 kernel/sched/core.c:2667
 context_switch kernel/sched/core.c:2803 [inline]
 __schedule+0x8f3/0x2060 kernel/sched/core.c:3376
 preempt_schedule_common+0x22/0x60 kernel/sched/core.c:3515
 _cond_resched+0x1d/0x30 kernel/sched/core.c:4852
 down_read+0x78/0x150 kernel/locking/rwsem.c:23
 kvm_host_page_size+0x84/0x140 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1230
 host_mapping_level arch/x86/kvm/mmu.c:1068 [inline]
 mapping_level+0x153/0x3d0 arch/x86/kvm/mmu.c:1118
 tdp_page_fault+0x256/0xa70 arch/x86/kvm/mmu.c:3883
 kvm_mmu_page_fault+0x10d/0x2f0 arch/x86/kvm/mmu.c:4927
 handle_ept_violation+0x198/0x550 arch/x86/kvm/vmx.c:6544
 vmx_handle_exit+0x25d/0x1ce0 arch/x86/kvm/vmx.c:8893
 vcpu_enter_guest arch/x86/kvm/x86.c:7084 [inline]
 vcpu_run arch/x86/kvm/x86.c:7146 [inline]
 kvm_arch_vcpu_ioctl_run+0x1cb4/0x5c60 arch/x86/kvm/x86.c:7314
 kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2555
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f9a9d86cc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000015
RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2728
R13: 00000000ffffffff R14: 00007f9a9d86d6d4 R15: 0000000000000000
Code: df 48 89 f9 48 c1 e9 03 0f b6 0c 01 48 89 f8 83 e0 07 83 c0 03 38 c8 7c 08 84 c9 0f 85 fe 02 00 00 c7 82 84 08 00 00 01 00 00 00 <cc> 1f 44 00 00 65 8b 05 a1 c9 aa 7e 89 c0 48 0f a3 05 27 8a 08 
RIP: lock_acquire+0x183/0x580 kernel/locking/lockdep.c:4002 RSP: ffff8801c6c1ed60
CR2: fffffffffffffff8
---[ end trace 127575fb1b33a623 ]---