API Servers: Avoid crashing on panic (#89281)

pkg/apiserver/builder/helper.go

@@ -14,6 +14,7 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/serializer"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
 	"k8s.io/apimachinery/pkg/version"
 	openapinamer "k8s.io/apiserver/pkg/endpoints/openapi"
 	"k8s.io/apiserver/pkg/registry/generic"
@@ -99,6 +100,8 @@ func SetupConfig(
 		handler = filters.WithAcceptHeader(handler)
 		handler = filters.WithPathRewriters(handler, pathRewriters)
 		handler = k8stracing.WithTracing(handler, serverConfig.TracerProvider, "KubernetesAPI")
+		// Configure filters.WithPanicRecovery to not crash on panic
+		utilruntime.ReallyCrash = false
 
 		return handler
 	}