kasan: CONFIG_KASAN_INLINE enabled 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: 23 Comm: kworker/0:1 Not tainted 4.15.0-rc3+ #219 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: kvm-irqfd-cleanup irqfd_shutdown RIP: 0010:__list_del_entry_valid+0x7e/0x150 lib/list_debug.c:51 RSP: 0018:ffff8801d9d07370 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffff8801d557a5a0 RDI: ffff8801d557a5a8 RBP: ffff8801d9d07388 R08: ffff8801d9d06e58 R09: ffff8801d9cf0040 R10: 000000000000000b R11: ffffed003b3a0dcd R12: 0000000000000000 R13: 1ffff1003b3a0e7a R14: ffff8801d557a588 R15: ffff8801d9d07470 FS: 0000000000000000(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000a6fa38 CR3: 00000001d33f5000 CR4: 00000000001426f0 DR0: 00000000004007a9 DR1: 0000000080000001 DR2: 0000000000000004 DR3: 4000000000000007 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:117 [inline] list_del include/linux/list.h:125 [inline] __remove_wait_queue include/linux/wait.h:184 [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+0xbfd/0x1be0 kernel/workqueue.c:2112 worker_thread+0x223/0x1990 kernel/workqueue.c:2246 kthread+0x37a/0x440 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:441 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: ffff8801d9d07370 ---[ end trace f2388b0c89db419b ]--- Kernel panic - not syncing: Fatal exception Shutting down cpus with NMI Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..