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    Subject[PATCH 5.11 100/601] KVM: SVM: Dont strip the C-bit from CR2 on #PF interception
    Date
    From: Sean Christopherson <seanjc@google.com>

    commit 6d1b867d045699d6ce0dfa0ef35d1b87dd36db56 upstream.

    Don't strip the C-bit from the faulting address on an intercepted #PF,
    the address is a virtual address, not a physical address.

    Fixes: 0ede79e13224 ("KVM: SVM: Clear C-bit from the page fault address")
    Cc: stable@vger.kernel.org
    Cc: Brijesh Singh <brijesh.singh@amd.com>
    Cc: Tom Lendacky <thomas.lendacky@amd.com>
    Signed-off-by: Sean Christopherson <seanjc@google.com>
    Message-Id: <20210305011101.3597423-13-seanjc@google.com>
    Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    arch/x86/kvm/svm/svm.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/arch/x86/kvm/svm/svm.c
    +++ b/arch/x86/kvm/svm/svm.c
    @@ -1888,7 +1888,7 @@ static void svm_set_dr7(struct kvm_vcpu

    static int pf_interception(struct vcpu_svm *svm)
    {
    - u64 fault_address = __sme_clr(svm->vmcb->control.exit_info_2);
    + u64 fault_address = svm->vmcb->control.exit_info_2;
    u64 error_code = svm->vmcb->control.exit_info_1;

    return kvm_handle_page_fault(&svm->vcpu, error_code, fault_address,

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