kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 15892 Comm: blkid Not tainted 4.13.0-next-20170906+ #16
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
task: ffff880039ff4000 task.stack: ffff880029ff8000
RIP: 0010:__hlist_del include/linux/list.h:650 [inline]
RIP: 0010:detach_timer kernel/time/timer.c:791 [inline]
RIP: 0010:expire_timers kernel/time/timer.c:1309 [inline]
RIP: 0010:__run_timers+0x619/0xb90 kernel/time/timer.c:1620
RSP: 0000:ffff88003ec07968 EFLAGS: 00010806
RAX: 1bd5a00000000041 RBX: ffff88003523bd80 RCX: 1ffff10007d80f76
RDX: ffff88003ec07bb0 RSI: ffffffff85b380e0 RDI: dead000000000208
RBP: ffff88003ec07c58 R08: ffff88003ec072b8 R09: ffff88003ec072b0
R10: ffff88003ec07228 R11: 1ffff100073fea93 R12: ffff88003523bd88
R13: dffffc0000000000 R14: dead000000000200 R15: ffff88003ec07c30
FS:  00007fc9d96b8740(0000) GS:ffff88003ec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc9d9002300 CR3: 000000003a5af000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 run_timer_softirq+0x4c/0xb0 kernel/time/timer.c:1646
 __do_softirq+0x2bb/0xbd0 kernel/softirq.c:284
 invoke_softirq kernel/softirq.c:364 [inline]
 irq_exit+0x1d3/0x210 kernel/softirq.c:405
 exiting_irq arch/x86/include/asm/apic.h:638 [inline]
 smp_apic_timer_interrupt+0x177/0x710 arch/x86/kernel/apic/apic.c:1048
 apic_timer_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:577
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:814 [inline]
RIP: 0010:lock_acquire+0x256/0x580 kernel/locking/lockdep.c:4005
RSP: 0000:ffff880029fffbb0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: dffffc0000000000 RBX: ffff880039ff4000 RCX: 0000000000000000
RDX: 1ffffffff0b59305 RSI: 0000000055027ebf RDI: 0000000000000282
RBP: ffff880029fffca8 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff8705fca0 R12: 1ffff100053fff7c
R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:244 [inline]
 rcu_read_lock include/linux/rcupdate.h:630 [inline]
 count_memcg_event_mm include/linux/memcontrol.h:654 [inline]
 handle_mm_fault+0x12b/0x860 mm/memory.c:4051
 __do_page_fault+0x4f6/0xb60 arch/x86/mm/fault.c:1445
 do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1520
 do_async_page_fault+0x72/0xc0 arch/x86/kernel/kvm.c:266
 async_page_fault+0x22/0x30 arch/x86/entry/entry_64.S:1069
RIP: 0033:0x7fc9d9002300
RSP: 002b:00007ffdbf6b2c48 EFLAGS: 00010246
RAX: 0000000003ae75f6 RBX: 0000000000000005 RCX: 00007fc9d903aea1
RDX: 0000000000000000 RSI: 00007ffdbf6b2c50 RDI: 00007fc9d903aea2
RBP: 00007ffdbf6b2d38 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000001 R12: 00007ffdbf6b2d68
R13: 00007ffdbf6b2d68 R14: 0000000000000002 R15: 0000000000000000
Code: 4d 85 f6 4c 89 32 48 89 95 58 fd ff ff 42 c6 04 28 f8 74 26 e8 79 36 10 00 49 8d 7e 08 48 8b 95 58 fd ff ff 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 b5 04 00 00 49 89 56 08 e8 53 36 10 00 4c 
RIP: __hlist_del include/linux/list.h:650 [inline] RSP: ffff88003ec07968
RIP: detach_timer kernel/time/timer.c:791 [inline] RSP: ffff88003ec07968
RIP: expire_timers kernel/time/timer.c:1309 [inline] RSP: ffff88003ec07968
RIP: __run_timers+0x619/0xb90 kernel/time/timer.c:1620 RSP: ffff88003ec07968
---[ end trace a1612b934d15cf4f ]---