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
CPU: 1 PID: 9169 Comm: syz-executor4 Not tainted 4.18.0-rc5+ #151
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmx_vcpu_run+0x124a/0x2600 arch/x86/kvm/vmx.c:10022
Code: a9 68 03 00 00 4c 8b b1 70 03 00 00 4c 8b b9 78 03 00 00 48 8b 89 08 03 00 00 75 05 0f 01 c2 eb 03 0f 01 c3 48 89 4c 24 08 59 <0f> 96 81 88 56 00 00 48 89 81 00 03 00 00 48 89 99 18 03 00 00 8f 
RSP: 0018:ffff880190ef7358 EFLAGS: 00010002
RAX: 0000000000040000 RBX: ffff8801cdb67190 RCX: 1ffff100321dee6c
RDX: 0000000000000000 RSI: ffffffff83afca37 RDI: ffff8801cd483e68
RBP: ffff880190ef76b8 R08: ffff8801b5f1e0c0 R09: fffffbfff126a3b8
R10: ffff880190ef7670 R11: ffffffff89351dc7 R12: 00000000000000e8
R13: dffffc0000000000 R14: ffff88019256bcc0 R15: ffff8801cdb671a8
FS:  00007f2f0627a700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001d6994000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 chrdev_open+0x25a/0x770 fs/char_dev.c:417
 do_dentry_open+0x818/0xe40 fs/open.c:794
 vfs_open+0x139/0x230 fs/open.c:908
 do_last fs/namei.c:3399 [inline]
 path_openat+0x174a/0x4e10 fs/namei.c:3540
 do_filp_open+0x255/0x380 fs/namei.c:3574
 do_sys_open+0x584/0x760 fs/open.c:1101
 __do_sys_openat fs/open.c:1128 [inline]
 __se_sys_openat fs/open.c:1122 [inline]
 __x64_sys_openat+0x9d/0x100 fs/open.c:1122
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455ab9
Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
RSP: 002b:00007f2f06279c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f2f0627a6d4 RCX: 0000000000455ab9
RDX: 0000000000000000 RSI: 0000000020000380 RDI: ffffffffffffff9c
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004c04ff R14: 00000000004d0420 R15: 0000000000000000
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 38c949a7a6ed1463 ]---
RIP: 0010:vmx_vcpu_run+0x124a/0x2600 arch/x86/kvm/vmx.c:10022
Code: a9 68 03 00 00 4c 8b b1 70 03 00 00 4c 8b b9 78 03 00 00 48 8b 89 08 03 00 00 75 05 0f 01 c2 eb 03 0f 01 c3 48 89 4c 24 08 59 <0f> 96 81 88 56 00 00 48 89 81 00 03 00 00 48 89 99 18 03 00 00 8f 
RSP: 0018:ffff880190ef7358 EFLAGS: 00010002
RAX: 0000000000040000 RBX: ffff8801cdb67190 RCX: 1ffff100321dee6c
RDX: 0000000000000000 RSI: ffffffff83afca37 RDI: ffff8801cd483e68
RBP: ffff880190ef76b8 R08: ffff8801b5f1e0c0 R09: fffffbfff126a3b8
R10: ffff880190ef7670 R11: ffffffff89351dc7 R12: 00000000000000e8
R13: dffffc0000000000 R14: ffff88019256bcc0 R15: ffff8801cdb671a8
FS:  00007f2f0627a700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001d6994000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400