RBP: 00000000004bfa8f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffc3f3f20ef R14: 00007f98a4d48300 R15: 0000000000022000
==================================================================
BUG: KASAN: global-out-of-bounds in atomic_switch_perf_msrs arch/x86/kvm/vmx/vmx.c:6589 [inline]
BUG: KASAN: global-out-of-bounds in vmx_vcpu_run+0x497/0x1370 arch/x86/kvm/vmx/vmx.c:6756
Read of size 8 at addr ffffffff89a000f1 by task syz-executor.4/16062

CPU: 0 PID: 16062 Comm: syz-executor.4 Not tainted 5.12.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x176/0x24e lib/dump_stack.c:120
 print_address_description+0x5f/0x3a0 mm/kasan/report.c:232
 __kasan_report mm/kasan/report.c:399 [inline]
 kasan_report+0x15e/0x210 mm/kasan/report.c:416
 atomic_switch_perf_msrs arch/x86/kvm/vmx/vmx.c:6589 [inline]
 vmx_vcpu_run+0x497/0x1370 arch/x86/kvm/vmx/vmx.c:6756
 vcpu_enter_guest+0x2df6/0x8b50 arch/x86/kvm/x86.c:9105
 vcpu_run+0x316/0xb70 arch/x86/kvm/x86.c:9256
 kvm_arch_vcpu_ioctl_run+0x4e8/0xa40 arch/x86/kvm/x86.c:9484
 kvm_vcpu_ioctl+0x62a/0xa30 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3316
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:739
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x465f69
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f98a4d48188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465f69
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006
RBP: 00000000004bfa8f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffc3f3f20ef R14: 00007f98a4d48300 R15: 0000000000022000

The buggy address belongs to the variable:
 str__initcall__trace_system_name+0x11/0x40

Memory state around the buggy address:
 ffffffff899fff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffffff89a00000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffffff89a00080: 00 00 00 00 00 00 00 00 00 00 00 00 00 01 f9 f9
                                                             ^
 ffffffff89a00100: f9 f9 f9 f9 07 f9 f9 f9 f9 f9 f9 f9 00 03 f9 f9
 ffffffff89a00180: f9 f9 f9 f9 00 06 f9 f9 f9 f9 f9 f9 00 00 00 00
==================================================================