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Commit c4e0e4ab authored by Jim Mattson's avatar Jim Mattson Committed by Paolo Bonzini
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KVM: x86: Fix off-by-one error in kvm_vcpu_ioctl_x86_setup_mce



Bank_num is a one-based count of banks, not a zero-based index. It
overflows the allocated space only when strictly greater than
KVM_MAX_MCE_BANKS.

Fixes: a9e38c3e ("KVM: x86: Catch potential overrun in MCE setup")
Signed-off-by: default avatarJue Wang <juew@google.com>
Signed-off-by: default avatarJim Mattson <jmattson@google.com>
Reviewed-by: default avatarPeter Shier <pshier@google.com>
Message-Id: <20200511225616.19557-1-jmattson@google.com>
Reviewed-by: default avatarVitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent f6bfd9c8
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