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KVM: VMX: Fix check for valid GVA on an EPT violation

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On an EPT violation, bit 7 of the exit qualification is set if the
guest linear-address is valid. The derived page fault error code
should not be checked for this bit.

Fixes: f300948251 ("KVM: VMX: Set PFERR_GUEST_{FINAL,PAGE}_MASK if and only if the GVA is valid")
Cc: stable@vger.kernel.org
Signed-off-by: Sukrit Bhatnagar <Sukrit.Bhatnagar@sony.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://patch.msgid.link/20251106052853.3071088-1-Sukrit.Bhatnagar@sony.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Sukrit Bhatnagar
2025-11-06 14:28:51 +09:00
committed by Sean Christopherson
parent ae431059e7
commit d0164c1619
1 changed files with 1 additions and 1 deletions
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arch/x86/kvm/vmx/common.h
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@@ -98,7 +98,7 @@ static inline int __vmx_handle_ept_violation(struct kvm_vcpu *vcpu, gpa_t gpa,
error_code |= (exit_qualification & EPT_VIOLATION_PROT_MASK) error_code |= (exit_qualification & EPT_VIOLATION_PROT_MASK)
? PFERR_PRESENT_MASK : 0; ? PFERR_PRESENT_MASK : 0;
if (error_code & EPT_VIOLATION_GVA_IS_VALID) if (exit_qualification & EPT_VIOLATION_GVA_IS_VALID)
error_code |= (exit_qualification & EPT_VIOLATION_GVA_TRANSLATED) ? error_code |= (exit_qualification & EPT_VIOLATION_GVA_TRANSLATED) ?
PFERR_GUEST_FINAL_MASK : PFERR_GUEST_PAGE_MASK; PFERR_GUEST_FINAL_MASK : PFERR_GUEST_PAGE_MASK;