netlink: 1 bytes leftover after parsing attributes in process `syz-executor4'.
pit: kvm: requested 206171 ns i8254 timer period limited to 500000 ns
BUG: unable to handle kernel paging request at 00000000e921c421
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: 1 PID: 5717 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: 000000005e885962 task.stack: 000000000cb21a96
RIP: 0010:lock_acquire+0x183/0x580 kernel/locking/lockdep.c:4002
RSP: 0018:ffff8801db507cc0 EFLAGS: 00010046
RAX: 0000000000000007 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8801c19b2000 RSI: 0000000000000000 RDI: ffff8801c19b2884
RBP: ffff8801db507db8 R08: 0000000000000001 R09: 0000000000000000
R10: 1ffff1003b6a0f9e R11: 0000000000000000 R12: 1ffff1003b6a0f9e
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
FS:  00007f4ecea0b700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff8 CR3: 00000001c045d000 CR4: 00000000001426e0
Call Trace:
 <IRQ>
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x96/0xc0 kernel/locking/spinlock.c:159
 hrtimer_interrupt+0xc2/0x6f0 kernel/time/hrtimer.c:1450
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline]
 smp_apic_timer_interrupt+0x14a/0x700 arch/x86/kernel/apic/apic.c:1050
 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:907
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline]
RIP: 0010:console_unlock+0x954/0xd70 kernel/printk/printk.c:2235
RSP: 0018:ffff8801c0fdede8 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff11
RAX: 0000000000010000 RBX: 0000000000000000 RCX: ffffffff8159c42b
RDX: 000000000000543d RSI: ffffc90001827000 RDI: 0000000000000206
RBP: ffff8801c0fdeed0 R08: 1ffff100381fbd8b R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff83a24260
 vprintk_emit+0x4ad/0x590 kernel/printk/printk.c:1757
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1796
 vprintk_func+0x57/0xc0 kernel/printk/printk_safe.c:379
 printk+0xaa/0xca kernel/printk/printk.c:1829
 create_pit_timer.part.4+0x4f6/0x550 arch/x86/kvm/i8254.c:342
 create_pit_timer arch/x86/kvm/i8254.c:317 [inline]
 pit_load_count+0x2b1/0x310 arch/x86/kvm/i8254.c:385
 pit_ioport_write+0x105/0x900 arch/x86/kvm/i8254.c:483
 kvm_iodevice_write include/kvm/iodev.h:67 [inline]
 __kvm_io_bus_write+0x1d5/0x3a0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3464
 kvm_io_bus_write+0x21f/0x3b0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3489
 kernel_pio+0x1b1/0x240 arch/x86/kvm/x86.c:4915
 emulator_pio_in_out arch/x86/kvm/x86.c:4934 [inline]
 emulator_pio_out_emulated+0x21d/0x7a0 arch/x86/kvm/x86.c:4981
 kvm_fast_pio_out+0x138/0x200 arch/x86/kvm/x86.c:5837
 handle_io+0x6c/0xd0 arch/x86/kvm/vmx.c:6039
 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:00007f4ecea0ac58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 00000000004529d9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000018
RBP: 0000000000000589 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f5578
R13: 00000000ffffffff R14: 00007f4ecea0b6d4 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> 06 01 00 00 65 8b 05 b1 c9 aa 7e 89 c0 48 0f a3 05 37 5f 08 
RIP: lock_acquire+0x183/0x580 kernel/locking/lockdep.c:4002 RSP: ffff8801db507cc0
CR2: fffffffffffffff8
---[ end trace ba9f23a2b4ad6aee ]---