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: 7075 Comm: syz-executor5 Not tainted 4.13.0-next-20170906+ #16
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
task: ffff88006b3b0080 task.stack: ffff880054490000
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: ffff88003c3dbb40 RCX: 1ffff10007d80f77
RDX: ffff88003ec07bb8 RSI: 0000000000000008 RDI: dead000000000208
RBP: ffff88003ec07c58 R08: ffff88003ec072b8 R09: ffff88003ec072b0
R10: ffff88003ec07228 R11: 1ffff1000d6762a3 R12: ffff88003c3dbb48
R13: dffffc0000000000 R14: dead000000000200 R15: ffff88003ec07c30
FS:  0000000000f02940(0000) GS:ffff88003ec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000208a7f88 CR3: 000000006cdf9000 CR4: 00000000000026f0
DR0: 000000007fffffff DR1: 0000000000000093 DR2: 0000000000000081
DR3: 0000000000000800 DR6: 00000000ffff0ff0 DR7: 0000000000000400
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_is_held_type+0x190/0x210 kernel/locking/lockdep.c:4042
RSP: 0000:ffff880054497640 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 0000000000000000
RDX: 1ffffffff0b59305 RSI: ffffffff85b38140 RDI: 0000000000000282
RBP: ffff880054497660 R08: 00000000000290b0 R09: 0000000000000000
R10: ffffffffffffffe8 R11: 0000000000000000 R12: ffff88006b3b0080
R13: 0000000000000000 R14: 00000000000011d5 R15: ffff88006b3b0080
 lock_is_held include/linux/lockdep.h:436 [inline]
 ___might_sleep+0x39b/0x470 kernel/sched/core.c:5977
 clear_huge_page+0x1f1/0x750 mm/memory.c:4565
 __do_huge_pmd_anonymous_page mm/huge_memory.c:570 [inline]
 do_huge_pmd_anonymous_page+0x59c/0x1ba0 mm/huge_memory.c:728
 create_huge_pmd mm/memory.c:3802 [inline]
 __handle_mm_fault+0x1827/0x39c0 mm/memory.c:4005
 handle_mm_fault+0x3bb/0x860 mm/memory.c:4071
 __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: 0033:0x4063ff
RSP: 002b:0000000000a5f8d0 EFLAGS: 00010246
RAX: 00000000208a7f88 RBX: 0000004000000002 RCX: 0000000000000002
RDX: d12118521401f23d RSI: 0000000000000000 RDI: 0000000000f02840
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000d2
R10: 0000000000a5f960 R11: 0000000000000206 R12: fffffffffffffffe
R13: 000000000070802c R14: 0000000000000001 R15: 00000000208a7f88
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 53b01a1b447ad1b3 ]---