Advanced Profiling
------------------

Android Studio’s Advanced Profiling feature rewrites OkHttp bytecode for instrumentation.
Unfortunately it crashes on OkHttp 4.x’s bytecode. Until [Google’s bug][advanced_profiling_bug] is
fixed you must disable advanced profiling in Android Studio.

![Disable Advanced Profiling](../assets/images/******@****.***)


R8 / ProGuard
-------------

        SMBUtil.writeInt4(contextStartOffsetFromHeader, base, offsetFieldPos);
        SMBUtil.writeInt4(ctx.length, base, offsetFieldPos + 4);

        // Assemble full body: base (fixed-size fields only), but actual context bytes sit elsewhere in the full packet
        // Return just the base; caller is responsible for placing ctx at the correct absolute offset.

relativeOffset.marginLeft,\n    width,\n    height,\n  };\n\n  return getClientRect(offset);\n}\n","import getStyleComputedProperty from './getStyleComputedProperty';\nimport getParentNode from './getParentNode';\n\n/**\n * Check if the given element is fixed or is inside a fixed parent\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @argument {Element} customContainer\n * @returns {Boolean} answer to \"isFixed?\"\n */\nexport default function isFixed(element) {\n  const nodeName = element.nodeName;\n...

        session.release();
    }

    /**
     * Performance regression test for all critical fixes
     */
    @Test
    public void testOverallPerformanceRegression() throws Exception {
        System.out.println("=== Critical Performance Fixes Validation ===");

        // Test multiple components together
        long start = System.nanoTime();

   * {@link java.util.TreeMap} can suppress it with {@code
   * FeatureSpecificTestSuiteBuilder.suppressing()} until <a
   * href="https://bugs.openjdk.org/browse/JDK-5045147">JDK-5045147</a> is fixed.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getPutNullKeyUnsupportedMethod() {
    return getMethod(MapPutTester.class, "testPut_nullKeyUnsupported");
  }

    void testDecodeBasicNoAndx() {
        DummyAndXBlock block = new DummyAndXBlock() {
            @Override
            int readHeaderWireFormat(byte[] buffer, int bufferIndex) {
                // Simulate fixed-size header parsing
                return 33;
            }
        };

        byte[] buf = new byte[128];
        // After header at 0..32
        buf[33] = 4; // wordCount

            assertEquals(0x12345, req.getMinCount(), "minCount should remain original full value");
        }

        @Test
        @DisplayName("Named pipe request uses fixed 1024 hints")
        void namedPipeRequestHints() throws Exception {
            when(mockTree.isSMB2()).thenReturn(false);
            when(mockFile.getType()).thenReturn(SmbConstants.TYPE_NAMED_PIPE);

* Fixes the panic that occurs in the federation controller manager when registering a GKE cluster to the federation. Fixes issue [#30790](https://github.com/kubernetes/kubernetes/pull/30790). ([#30940](https://github.com/kubernetes/kubernetes/pull/30940), [@madhusudancs](https://github.com/madhusudancs))

     */
    public byte[] generateNonce() {
        final byte[] nonce = new byte[isGCMCipher() ? 16 : 12];

        if (isGCMCipher()) {
            // SMB 3.1.1 GCM: 96-bit random/fixed + 32-bit counter for guaranteed uniqueness
            // Fill first 12 bytes with random data
            secureRandom.nextBytes(nonce);

            // Last 4 bytes: incrementing counter for guaranteed uniqueness

        int bodyStart = headerStart + Smb2Constants.SMB2_HEADER_LENGTH;
        byte[] blob = new byte[] { 10, 20, 30, 40, 50 };
        int secBufOffset = Smb2Constants.SMB2_HEADER_LENGTH + 8; // directly after fixed part
        int sessionFlags = Smb2SessionSetupResponse.SMB2_SESSION_FLAGS_IS_GUEST;
        buildSessionSetupBody(buf, headerStart, bodyStart, sessionFlags, secBufOffset, blob);