KVM: x86: zero base3 of unusable segments

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commit f0367ee1d6 upstream.

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:  Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 1aa366163b ("KVM: x86 emulator: consolidate segment accessors")
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Radim Krčmář 2017-05-18 19:37:30 +02:00 • committed by Greg Kroah-Hartman

parent f3c3ec96e5

commit d1d3756f07

1 changed files with 2 additions and 0 deletions

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arch/x86/kvm/x86.c

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