}
        } catch (final IOException e) {
            logger.warn("Failed to upload backup file: fileName={}, error={}", fileName, e.getMessage(), e);
            if (tempFile.exists() && !tempFile.delete()) {
                logger.warn("Failed to delete temporary file: {}", tempFile.getAbsolutePath());
            }

- Kube-apiserver: fix a possible panic validating a custom resource whose CustomResourceDefinition indicates a status subresource exists, but which does not define a `status` property in the `openAPIV3Schema` ([#135362](https://github.com/kubernetes/kubernetes/pull/135362), [@fusida](https://github.com/fusida)) [SIG API Machinery]

        @Override
        public boolean isExistClass(final String className) {
            final File file = new File(baseDir, toClassFile(ClassUtil.concatName(rootPackage, className)));
            return file.exists();
        }

        @Override
        public void forEach(final ClassHandler handler) {
            ClassTraversalUtil.forEach(baseDir, rootPackage, handler);
        }

        @Override

      initTable(newEntryArray(initialCapacity));
    }

    /**
     * Returns {@code this} up-casted to the specific {@link Segment} implementation type {@code S}.
     *
     * <p>This method exists so that the {@link Segment} code can be generic in terms of {@code S},
     * the type of the concrete implementation.
     */
    abstract S self();

    }

    protected List<CoreExtension> readCoreExtensionsDescriptorFromFile(Path extensionsFile, boolean allowMetaVersions) {
        try {
            if (extensionsFile != null && Files.exists(extensionsFile)) {
                try (InputStream is = Files.newInputStream(extensionsFile)) {
                    return validateCoreExtensionsDescriptorFromFile(
                            extensionsFile,

    
    SmbFile file = new SmbFile("smb://server/share/test.txt", context);
    
    // Should work even if RDMA provider is not available
    file.createNewFile();
    assertTrue(file.exists());
}
```

## 8. Performance Monitoring

### 8.1 RDMA Statistics
```java
public class RdmaStatistics {
    private final AtomicLong rdmaReads = new AtomicLong();

  }

  /**
   * Old implementations of OkHttp's response cache wrote header fields like ":status: 200 OK". This
   * broke our cached response parser because it split on the first colon. This regression test
   * exists to help us read these old bad cache entries.
   *
   * https://github.com/square/okhttp/issues/227
   */
  @Test
  fun testGoldenCacheResponse() {
    cache.close()
    server.enqueue(

## Important Security Information

This release contains changes that address the following vulnerabilities:

### CVE-2025-5187: Nodes can delete themselves by adding an OwnerReference

- Fixed occasional pod cgroup freeze when using cgroup v1 and systemd driver.
  Fixed "failed to create container ... unit already exists" when using cgroup v1 and systemd driver. ([#104530](https://github.com/kubernetes/kubernetes/pull/104530), [@kolyshkin](https://github.com/kolyshkin)) [SIG CLI, Cloud Provider, Cluster Lifecycle, Instrumentation, Node, Storage and Testing]

- Kube-apiserver: fix a possible panic validating a custom resource whose CustomResourceDefinition indicates a status subresource exists, but which does not define a `status` property in the `openAPIV3Schema` ([#135363](https://github.com/kubernetes/kubernetes/pull/135363), [@fusida](https://github.com/fusida)) [SIG API Machinery]