output: #fixed code
                               @Override
  	protected void init() {
  		super.init();
  		
  		objectsStartAddress = allocationStartAddress;
  		// Allocated objects must start aligned as address size from start address of allocated address
  		long addressMod = objectsStartAddress % JvmUtil.OBJECT_ADDRESS_SENSIVITY;
  		if (addressMod != 0) {
  			objectsStartAddress += (JvmUtil.OBJECT_ADDRESS_SENSIVITY - addressMod);
  		}
  		objectsEndAddress = objectsStartAddress + (objectCount * objectSize);
  
  		long sourceAddress = offHeapSampleObjectAddress + 4;
  		long copySize = objectSize - 4;
  		// Copy sample object to allocated memory region for each object
  		for (long l = 0; l < objectCount; l++) {
  			long targetAddress = objectsStartAddress + (l * objectSize);
  			directMemoryService.putInt(targetAddress, 0);
  			directMemoryService.copyMemory(sourceAddress, targetAddress + 4, copySize);
  		}
  	}
input: #vulnerable code 
                               @Override
  	protected void init() {
  		super.init();
  		
  		objectsStartAddress = allocationStartAddress;
  		objectsEndAddress = allocationEndAddress;
  		currentAddress = allocationStartAddress - objectSize;
  		
  		long sourceAddress = offHeapSampleObjectAddress + 4;
  		long copySize = objectSize - 4;
  		// Copy sample object to allocated memory region for each object
  		for (long l = 0; l < objectCount; l++) {
  			long targetAddress = allocationStartAddress + (l * objectSize);
  			directMemoryService.putInt(targetAddress, 0);
  			directMemoryService.copyMemory(sourceAddress, targetAddress + 4, copySize);
  		}
  	} 
                              #location 6 
                              #vulnerability type THREAD_SAFETY_VIOLATION