reason=80000021 qualification=0000000000000000
IDTVectoring: info=00000000 errcode=00000000
TSC Offset = 0xffffff9b6afd6579
EPT pointer = 0x00000001d095901e
==================================================================
BUG: KASAN: stack-out-of-bounds in do_general_protection+0x2b6/0x2f0 arch/x86/kernel/traps.c:553
Read of size 8 at addr ffff880191db7350 by task syz-executor4/11987

CPU: 0 PID: 11987 Comm: syz-executor4 Not tainted 4.18.0-rc6-next-20180725+ #18
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
 print_address_description+0x6c/0x20b mm/kasan/report.c:256
 kasan_report_error mm/kasan/report.c:354 [inline]
 kasan_report.cold.7+0x242/0x30d mm/kasan/report.c:412
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433
 do_general_protection+0x2b6/0x2f0 arch/x86/kernel/traps.c:553
 general_protection+0x1e/0x30 arch/x86/entry/entry_64.S:1163
RIP: 0010:msr_write_intercepted arch/x86/kvm/vmx.c:2338 [inline]
RIP: 0010:vmx_vcpu_run+0x131a/0x2600 arch/x86/kvm/vmx.c:10185
Code: 00 00 10 89 de e8 f6 60 5d 00 85 db 0f 84 91 00 00 00 e8 d9 5f 5d 00 48 8b 54 24 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 8c 10 00 00 48 8b 04 24 48 8b 98 40 57 00 00 48
RSP: 0018:ffff880191db7370 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000010000000 RCX: ffffc9000a676000
RDX: 03fffe2006476dce RSI: ffffffff811f4827 RDI: 0000000000000005
RBP: ffff880191db7c48 R08: ffff8801c8956400 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000

The buggy address belongs to the page:
page:ffffea0006476dc0 count:0 mapcount:0 mapping:0000000000000000 index:0x0
flags: 0x2fffc0000000000()
raw: 02fffc0000000000 0000000000000000 ffffffff06470101 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff880191db7200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff880191db7280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff880191db7300: 00 00 00 00 00 00 00 f1 f1 f1 f1 00 f2 f2 f2 f2
                                                 ^
 ffff880191db7380: f2 f2 f2 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f2
 ffff880191db7400: f2 f2 f2 00 00 00 00 00 f2 f2 f2 f2 f2 f2 f2 04
==================================================================