KVM: nVMX: really fix the size checks on KVM_SET_NESTED_STATE

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The offset for reading the shadow VMCS is sizeof(*kvm_state)+VMCS12_SIZE,
so the correct size must be that plus sizeof(*vmcs12).  This could lead
to KVM reading garbage data from userspace and not reporting an error,
but is otherwise not sensitive.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Paolo Bonzini 2019-05-20 11:55:36 +02:00

parent 6bff2a3dc9

commit db80927ea1

1 changed files with 1 additions and 1 deletions

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arch/x86/kvm/vmx/nested.c

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