tree d773c0686f6b599278d6ba9cd7e46885700303b1
parent e0c0372d43bbe3a7d0f2c61cbf7c1a9566a9ed58
author Jim Mattson <jmattson@google.com> 1495565574 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1500613216 +0200

kvm: vmx: Check value written to IA32_BNDCFGS

commit 4531662d1abf6c1f0e5c2b86ddb60e61509786c8 upstream.

Bits 11:2 must be zero and the linear addess in bits 63:12 must be
canonical. Otherwise, WRMSR(BNDCFGS) should raise #GP.

Fixes: 0dd376e709975779 ("KVM: x86: add MSR_IA32_BNDCFGS to msrs_to_save")
Signed-off-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>