Reference: https://bugzilla.kernel.org/show_bug.cgi?id=54521 The vmxon region is unused by nvmx, but adding these checks are probably harmless and may detect buggy L1 hypervisors in the future! Bandan Das (3): KVM: nVMX: rearrange get_vmx_mem_address KVM: nVMX: additional checks on vmxon region KVM: nVMX: fail on invalid vmclear/vmptrld pointer arch/x86/kvm/vmx.c | 171 ++++++++++++++++++++++++++++++++++++----------------- 1 file changed, 118 insertions(+), 53 deletions(-) -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html