device lo entered promiscuous mode
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6268 at arch/x86/kvm/mmu.c:719 mmu_spte_clear_track_bits+0x35a/0x3f0 arch/x86/kvm/mmu.c:719
Kernel panic - not syncing: panic_on_warn set ...

CPU: 3 PID: 6268 Comm: syz-executor3 Not tainted 4.13.0-rc5-next-20170817+ #5
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:16 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:52
 panic+0x1e4/0x417 kernel/panic.c:180
 __warn+0x1c4/0x1d9 kernel/panic.c:541
 report_bug+0x211/0x2d0 lib/bug.c:183
 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:190
 do_trap_no_signal arch/x86/kernel/traps.c:224 [inline]
 do_trap+0x260/0x390 arch/x86/kernel/traps.c:273
 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:310
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:323
 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:929
RIP: 0010:mmu_spte_clear_track_bits+0x35a/0x3f0 arch/x86/kvm/mmu.c:719
RSP: 0018:ffff880067aee7f0 EFLAGS: 00010297
RAX: ffff8800693367c0 RBX: 1ffff1000cf5dd00 RCX: 1ffff1000cf5dd04
RDX: 0000000000000000 RSI: 1ffff1000cf5dd14 RDI: ffffea0000d11a9c
RBP: ffff880067aee908 R08: ffffffff8111d651 R09: 0000000000000000
R10: ffff880067aeecb0 R11: ffff8800530ca9d8 R12: 400000003446ac77
R13: 0000000000000000 R14: ffff880067aee8e0 R15: 000000000003446a
 drop_spte+0x24/0x250 arch/x86/kvm/mmu.c:1351
 mmu_page_zap_pte+0x224/0x340 arch/x86/kvm/mmu.c:2484
 kvm_mmu_page_unlink_children arch/x86/kvm/mmu.c:2506 [inline]
 kvm_mmu_prepare_zap_page+0x1c5/0x1310 arch/x86/kvm/mmu.c:2550
 kvm_zap_obsolete_pages arch/x86/kvm/mmu.c:5225 [inline]
 kvm_mmu_invalidate_zap_all_pages+0x4a0/0x680 arch/x86/kvm/mmu.c:5266
 kvm_arch_flush_shadow_all+0x15/0x20 arch/x86/kvm/x86.c:8398
 kvm_mmu_notifier_release+0x59/0x90 arch/x86/kvm/../../../virt/kvm/kvm_main.c:508
 __mmu_notifier_release+0x1d5/0x690 mm/mmu_notifier.c:75
 mmu_notifier_release include/linux/mmu_notifier.h:235 [inline]
 exit_mmap+0x479/0x560 mm/mmap.c:2982
 __mmput kernel/fork.c:906 [inline]
 mmput+0x223/0x6e0 kernel/fork.c:928
 exit_mm kernel/exit.c:544 [inline]
 do_exit+0x9a1/0x1b30 kernel/exit.c:852
 do_group_exit+0x149/0x400 kernel/exit.c:968
 get_signal+0x7e8/0x17e0 kernel/signal.c:2330
 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:808
 exit_to_usermode_loop+0x224/0x300 arch/x86/entry/common.c:158
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath+0x42f/0x500 arch/x86/entry/common.c:266
 entry_SYSCALL_64_fastpath+0xbc/0xbe
RIP: 0033:0x446739
RSP: 002b:00007f13bb573c08 EFLAGS: 00000282 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 0000000000000016 RCX: 0000000000446739
RDX: 000000002000d000 RSI: 00000000c018ae85 RDI: 0000000000000016
RBP: 00000000007082a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000282 R12: 00000000ffffffff
R13: 00000000000022a0 R14: 00000000006e4360 R15: 00000000c018ae85
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..