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: 2 PID: 0 Comm: swapper/2 Not tainted 4.13.0-rc7-next-20170829+ #11
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
task: ffff88006dac6040 task.stack: ffff88006dac8000
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: 0018:ffff88006de07aa8 EFLAGS: 00010806
RAX: 1bd5a00000000041 RBX: ffff88004c293b80 RCX: 1ffff1000dbc0f9e
RDX: ffff88006de07cf0 RSI: 0000000000000008 RDI: dead000000000208
RBP: ffff88006de07d98 R08: ffff88006de073f8 R09: ffff88006de073f0
R10: ffff88006de07368 R11: 1ffff1000db58e9b R12: ffff88004c293b88
R13: dffffc0000000000 R14: dead000000000200 R15: ffff88006de07d70
FS:  0000000000000000(0000) GS:ffff88006de00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020db3000 CR3: 000000003b9eb000 CR4: 00000000000026e0
DR0: 0000000020000000 DR1: 0000000020001008 DR2: 0000000020001000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 run_timer_softirq+0x4c/0xb0 kernel/time/timer.c:1646
 __do_softirq+0x2bd/0xbd4 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+0x76/0xa0 arch/x86/kernel/apic/apic.c:1044
 apic_timer_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:577
 </IRQ>
RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:53
RSP: 0018:ffff88006dacfdb0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10
RAX: dffffc0000000000 RBX: 1ffff1000db59fb9 RCX: 0000000000000000
RDX: 1ffffffff0b592f8 RSI: 0000000000000001 RDI: ffffffff85ac97c0
RBP: ffff88006dacfdb0 R08: ffffffff857e9a90 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85ac97b0
R13: ffff88006dacfe68 R14: 0000000000000000 R15: ffff88006dac6040
 arch_safe_halt arch/x86/include/asm/paravirt.h:98 [inline]
 default_idle+0xbf/0x460 arch/x86/kernel/process.c:341
 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:332
 default_idle_call+0x36/0x90 kernel/sched/idle.c:98
 cpuidle_idle_call kernel/sched/idle.c:156 [inline]
 do_idle+0x256/0x3b0 kernel/sched/idle.c:246
 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:351
 start_secondary+0x277/0x310 arch/x86/kernel/smpboot.c:275
 secondary_startup_64+0xa5/0xa5 arch/x86/kernel/head_64.S:235
Code: 4d 85 f6 4c 89 32 48 89 95 58 fd ff ff 42 c6 04 28 f8 74 26 e8 e9 35 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 c3 35 10 00 4c 
RIP: __hlist_del include/linux/list.h:650 [inline] RSP: ffff88006de07aa8
RIP: detach_timer kernel/time/timer.c:791 [inline] RSP: ffff88006de07aa8
RIP: expire_timers kernel/time/timer.c:1309 [inline] RSP: ffff88006de07aa8
RIP: __run_timers+0x619/0xb90 kernel/time/timer.c:1620 RSP: ffff88006de07aa8
---[ end trace ad7940a95f8306b9 ]---