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: 3117 Comm: kworker/0:3 Not tainted 4.14.0-rc5-next-20171018+ #8
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Workqueue: kvm-irqfd-cleanup irqfd_shutdown
task: ffff88003d1ca240 task.stack: ffff88003a090000
RIP: 0010:__list_del_entry_valid+0x7e/0x150 lib/list_debug.c:51
RSP: 0018:ffff88003a097390 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffff88003b00ece0 RDI: ffff88003b00ece8
RBP: ffff88003a0973a8 R08: ffffffff81bf589d R09: 000000000000000c
R10: ffff88003a097268 R11: 0000000000000004 R12: 0000000000000000
R13: 1ffff10007412e7e R14: ffff88003b00ecc8 R15: ffff88003a097490
FS:  0000000000000000(0000) GS:ffff88003ec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb4c6d1ee99 CR3: 000000003bdc0000 CR4: 00000000000026f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_del_entry include/linux/list.h:116 [inline]
 list_del include/linux/list.h:124 [inline]
 __remove_wait_queue include/linux/wait.h:183 [inline]
 eventfd_ctx_remove_wait_queue+0x173/0x5b0 fs/eventfd.c:201
 irqfd_shutdown+0x95/0x1a0 arch/x86/kvm/../../../virt/kvm/eventfd.c:128
 process_one_work+0xbf0/0x1bc0 kernel/workqueue.c:2112
 worker_thread+0x223/0x1990 kernel/workqueue.c:2246
 kthread+0x38b/0x470 kernel/kthread.c:242
 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431
Code: 00 00 00 00 ad de 49 39 c4 74 66 48 b8 00 02 00 00 00 00 ad de 48 89 da 48 39 c3 74 65 48 c1 ea 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 02 00 75 7b 48 8b 13 48 39 f2 75 57 49 8d 7c 24 08 48 b8 
RIP: __list_del_entry_valid+0x7e/0x150 lib/list_debug.c:51 RSP: ffff88003a097390
---[ end trace 3e59766b58c19e88 ]---
Kernel panic - not syncing: Fatal exception