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2d5d3f0a23
Accessing svc.Spec.IPFamilies[0] without a bounds check panics when a service reaches the controller with an empty IPFamilies field. This can happen via watch events: the apiserver's defaultOnRead decorator populates IPFamilies on GET/LIST but not on watch (cachingObject wrapping bypasses the type assertion). Restore the inference logic removed in #130101: fall back to ClusterIP for headful services and pod IP for headless services. Signed-off-by: Rahul <rahulbabu95@gmail.com>