buffer[bodyStart + 2] = (byte) dataOffsetFromHeader;
        // Reserved
        buffer[bodyStart + 3] = 0;
        // Data length
        SMBUtil.writeInt4(dataLength, buffer, bodyStart + 4);
        // Data remaining
        SMBUtil.writeInt4(dataRemaining, buffer, bodyStart + 8);
        // Reserved2
        SMBUtil.writeInt4(0, buffer, bodyStart + 12);

        @Test
        @DisplayName("Should correctly parse reserved fields")
        void testReservedFieldsAreSkipped() throws Exception {
            byte[] buffer = new byte[64];

            // Structure with specific values in reserved fields
            SMBUtil.writeInt2(24, buffer, 0);
            buffer[2] = 0x01; // Oplock level
            buffer[3] = (byte) 0xAA; // Reserved byte

Guillaume Nodet <******@****.***> 1729859506 +0200

        ci += 4;
        SMBUtil.writeInt2(0x10, ctx, ci); // NameOffset
        SMBUtil.writeInt2(4, ctx, ci + 2); // NameLength
        ci += 4;
        // Reserved (2) + DataOffset (2)
        // Put data at offset 0x20
        SMBUtil.writeInt2(0, ctx, ci); // Reserved
        SMBUtil.writeInt2(0x20, ctx, ci + 2); // DataOffset
        ci += 4;
        SMBUtil.writeInt4(8, ctx, ci); // DataLength
        ci += 4;

        pos += 4;
        // outputCount
        SMBUtil.writeInt4(outputCount, buf, pos);
        pos += 4;
        // ioctlFlags
        SMBUtil.writeInt4(ioctlFlags, buf, pos);
        pos += 4;
        // reserved2 (4 bytes)
        pos += 4;

        // Write payload data: input then output
        if (inputCount > 0 && inputBytes != null) {
            System.arraycopy(inputBytes, 0, buf, pos, inputCount);

        final int start = bufferIndex;

        buffer[bufferIndex] = (byte) 0x00; // Reserved
        bufferIndex++;
        buffer[bufferIndex++] = (byte) 0x00; // Reserved
        buffer[bufferIndex++] = (byte) 0x00; // Reserved

        this.totalParameterCount = SMBUtil.readInt4(buffer, bufferIndex);
        if (this.bufDataStart == 0) {

    private static final byte[] CONTEXT_NAME_BYTES = CONTEXT_NAME.getBytes();

    // The response structure is reserved and must be zero (8 bytes)
    private byte[] reserved = new byte[8];

    /**
     * Create a new durable handle response
     */
    public DurableHandleResponse() {
        // Reserved field initialized to zeros
    }

    @Override
    public byte[] getName() {
        return CONTEXT_NAME_BYTES;

        bufferIndex += 2; // reserved
        this.dataCompactionMode = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 4; // 2 reserved
        this.dataLength = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.dataOffset = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 12; // 10 reserved

        return bufferIndex - start;
    }

085E          ; valid                  ;      ; NV8    # 6.0  MANDAIC PUNCTUATION
085F          ; disallowed                             # NA   <reserved-085F>
0860..086A    ; valid                                  # 10.0 SYRIAC LETTER MALAYALAM NGA..SYRIAC LETTER MALAYALAM SSA
086B..086F    ; disallowed                             # NA   <reserved-086B>..<reserved-086F>

    private static final byte[] CONTEXT_NAME_BYTES = CONTEXT_NAME.getBytes();
    private static final int STRUCTURE_SIZE = 16;

    private long reserved; // Must be zero

    /**
     * Create a new durable handle request
     */
    public DurableHandleRequest() {
        this.reserved = 0;
    }

    @Override
    public byte[] getName() {
        return CONTEXT_NAME_BYTES;
    }

    @Override