diff options
Diffstat (limited to 'arch/x86/kvm/mmu')
-rw-r--r-- | arch/x86/kvm/mmu/mmu.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 01e7277acb48..77810ce66bdb 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -519,6 +519,12 @@ static bool check_mmio_spte(struct kvm_vcpu *vcpu, u64 spte) static gpa_t translate_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access, struct x86_exception *exception) { + /* Check if guest physical address doesn't exceed guest maximum */ + if (kvm_mmu_is_illegal_gpa(vcpu, gpa)) { + exception->error_code |= PFERR_RSVD_MASK; + return UNMAPPED_GVA; + } + return gpa; } |