log.trace(String.format("Release %s (%d)", this, usage));
        }
    }

    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#finalize()
     */
    @Override
    protected void finalize() throws Throwable {
        try {
            if (this.usageCount != null && this.usageCount.get() != 0 && this.open) {

- Volume snapshot e2e test to validate PVC and VolumeSnapshotContent finalizer ([#95863](https://github.com/kubernetes/kubernetes/pull/95863), [@RaunakShah](https://github.com/RaunakShah)) [SIG Cloud Provider, Storage and Testing]

    implements FinalizableReference {
  /**
   * Constructs a new finalizable soft reference.
   *
   * @param referent to softly reference
   * @param queue that should finalize the referent
   */
  protected FinalizableSoftReference(@Nullable T referent, FinalizableReferenceQueue queue) {
    super(referent, queue.queue);
    queue.cleanUp();
  }

        System.arraycopy(stackTrace, s, res, 0, e - s);
        return res;
    }

    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#finalize()
     */
    @Override
    protected void finalize() throws Throwable {
        try {
            if (isConnected() && this.usageCount.get() != 0) {
                log.warn("Tree was not properly released, performing emergency cleanup: " + this);

    write(out, data, 0, 100, true);
    File file = out.getFile();
    assertEquals(100, file.length());
    assertTrue(file.exists());
    out.close();

    // Make sure that finalize deletes the file
    out = null;

    // times out and throws RuntimeException on failure
    GcFinalization.awaitDone(
        new GcFinalization.FinalizationPredicate() {
          @Override

            this.treeConnection.release();
        } else if (us < 0) {
            throw new RuntimeCIFSException("Usage count dropped below zero");
        }
    }

    @Override
    protected void finalize() throws Throwable {
        try {
            // Add null check to prevent NPE if object was not fully constructed
            if (this.usageCount != null && this.usageCount.get() != 0) {

* Add support for adding/removing finalizer depending on PVC protection feature gate ([#61370](https://github.com/kubernetes/kubernetes/pull/61370), [@gnufied](https://github.com/gnufied))

            throw new RuntimeCIFSException("Usage count dropped below zero");
        }
    }

    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#finalize()
     */
    @Override
    protected void finalize() throws Throwable {
        try {
            if (!isDisconnected() && this.usageCount.get() != 0) {
                log.warn("Transport was not properly released, performing emergency cleanup");

                    throw new DictionaryException("Failed to write: " + item, e);
                }
            }
            return null;
        }

        /**
         * Closes the updater and finalizes the file update operation.
         * If changes were committed, the temporary file replaces the original.
         * Otherwise, the temporary file is deleted.
         */
        @Override
        public void close() {

- Fixes a bug where Services using finalizers may hold onto ClusterIP and/or NodePort allocated resources for longer than expected if the finalizer is removed using the status subresource ([#120656](https://github.com/kubernetes/kubernetes/pull/120656), [@aojea](https://github.com/aojea)) [SIG Network and Testing]