[Bug 216725] New: VMXON with CR0 bit 5 cleared should #GP, got '6'

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=216725

            Bug ID: 216725
           Summary: VMXON with CR0 bit 5 cleared should #GP, got '6'
           Product: Virtualization
           Version: unspecified
    Kernel Version: 6.1.0-rc4
          Hardware: Intel
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: kvm
          Assignee: virtualization_kvm@kernel-bugs.osdl.org
          Reporter: lixiao.yang@intel.com
        Regression: No

Created attachment 303260
  --> https://bugzilla.kernel.org/attachment.cgi?id=303260&action=edit
vmx failure log

Environment:
CPU Architecture: x86_64
Host OS: Red Hat Enterprise Linux 8.4 (Ootpa)
Host kernel: 6.1.0-rc4
gcc: gcc version 8.4.1
Host kernel source: https://git.kernel.org/pub/scm/virt/kvm/kvm.git
Branch: next
Commit: d72cf8ff

Qemu source: https://git.qemu.org/git/qemu.git
Branch: master
Commit: 6d71357a

kvm-unit-tests source: https://gitlab.com/kvm-unit-tests/kvm-unit-tests.git
Branch: master
Commit: 952cf19c9143e307fe229af8bf909016a02fcc6c

Bug Detailed Description:
kvm-unit-tests vmx fails on the latest kvm. 
SUMMARY: 430115 tests, 1 unexpected failures, 2 expected failures, 5 skipped. 
The one unexpected failure is:
FAIL: VMXON with CR0 bit 5 cleared should #GP, got '6'

Reproducing Steps:
rmmod kvm_intel
modprobe kvm_intel nested=Y
git clone https://gitlab.com/kvm-unit-tests/kvm-unit-tests.git
cd kvm-unit-tests
./configure
make standalone
cd tests
./vmx -cpu host

Actual Result:
...
SUMMARY: 430115 tests, 1 unexpected failures, 2 expected failures, 5 skipped
FAIL vmx (430115 tests, 1 unexpected failures, 2 expected failures, 5 skipped)

Expected Result:
...
SUMMARY: 430115 tests, 2 expected failures, 4 skipped)
PASS vmx (430115 tests, 2 expected failures, 4 skipped)

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