device gre0 entered promiscuous mode
netlink: 17 bytes leftover after parsing attributes in process `syz-executor1'.
BUG: unable to handle kernel paging request at 00000000b787a3be
IP: lock_release+0x195/0xda0 kernel/locking/lockdep.c:4021
PGD 5e28067 P4D 5e28067 PUD 5e2a067 PMD 0 
Oops: 0002 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 24792 Comm: syz-executor7 Not tainted 4.15.0-rc1-next-20171201+ #57
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: 00000000227b6d08 task.stack: 00000000c319d6d9
RIP: 0010:lock_release+0x195/0xda0 kernel/locking/lockdep.c:4021
RSP: 0018:ffff8801d84263b8 EFLAGS: 00010046
RAX: 0000000000000007 RBX: 1ffff1003b084c7c RCX: ffffffff819988f5
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801c1910b04
RBP: ffff8801d8426528 R08: 0000000000000003 R09: 0000000000000004
R10: 0000000000000000 R11: ffffffff8748cd60 R12: ffff8801c1910280
R13: ffff8801d8426500 R14: ffff8801d51a5df8 R15: ffff8801c1910280
FS:  00007fe539a7e700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff8 CR3: 00000001d9117000 CR4: 00000000001426e0
Call Trace:
 __raw_spin_unlock include/linux/spinlock_api_smp.h:150 [inline]
 _raw_spin_unlock+0x1a/0x30 kernel/locking/spinlock.c:183
 spin_unlock include/linux/spinlock.h:355 [inline]
 follow_page_pte+0xa8a/0x1730 mm/gup.c:202
 follow_pmd_mask mm/gup.c:271 [inline]
 follow_pud_mask mm/gup.c:339 [inline]
 follow_p4d_mask mm/gup.c:365 [inline]
 follow_page_mask+0xb80/0x17f0 mm/gup.c:418
 __get_user_pages+0x423/0x15f0 mm/gup.c:696
 __get_user_pages_locked mm/gup.c:870 [inline]
 get_user_pages+0x9a/0xc0 mm/gup.c:1092
 get_user_page_nowait arch/x86/kvm/../../../virt/kvm/kvm_main.c:1325 [inline]
 hva_to_pfn_slow arch/x86/kvm/../../../virt/kvm/kvm_main.c:1386 [inline]
 hva_to_pfn arch/x86/kvm/../../../virt/kvm/kvm_main.c:1503 [inline]
 __gfn_to_pfn_memslot+0x3c2/0x10c0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1559
 try_async_pf+0x13b/0xc40 arch/x86/kvm/mmu.c:3801
 tdp_page_fault+0x40a/0xa70 arch/x86/kvm/mmu.c:3897
 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:2574
 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: 0033:0x4529d9
RSP: 002b:00007fe539a7dc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000020a24000 RCX: 00000000004529d9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000017
RBP: 0000000020a24800 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000019
R13: 0000000020a23000 R14: 00007fe539a7e6d4 R15: 0000000000000000
Code: 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c4 08 00 00 41 c7 87 84 08 00 00 01 00 00 00 <cc> 3f 05 00 00 65 8b 05 3f d7 aa 7e 89 c0 48 0f a3 05 c5 6c 08 
RIP: lock_release+0x195/0xda0 kernel/locking/lockdep.c:4021 RSP: ffff8801d84263b8
CR2: fffffffffffffff8
---[ end trace 6fd2aef65db10860 ]---