KVM: x86: Mask off reserved bits in CPUID.8000001FH
commit 86c4f0d5 upstream. KVM_GET_SUPPORTED_CPUID should only enumerate features that KVM actually supports. CPUID.8000001FH:EBX[31:16] are reserved bits and should be masked off. Fixes: 8765d753 ("KVM: X86: Extend CPUID range to include new leaf") Signed-off-by: Jim Mattson <jmattson@google.com> Message-Id: <20220929225203.2234702-6-jmattson@google.com> Cc: stable@vger.kernel.org [Clear NumVMPL too. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
parent
553fd40d
Please register or sign in to comment