KVM: x86: zero base3 of unusable segments
Static checker noticed that base3 could be used uninitialized if the segment was not present (useable). Random stack values probably would not pass VMCS entry checks. Reported-by: NDan Carpenter <dan.carpenter@oracle.com> Fixes: 1aa36616 ("KVM: x86 emulator: consolidate segment accessors") Reviewed-by: NPaolo Bonzini <pbonzini@redhat.com> Reviewed-by: NDavid Hildenbrand <david@redhat.com> Signed-off-by: NRadim Krčmář <rkrcmar@redhat.com>
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