status_t Parcel::finishWrite(size_t len)
{
 if (len > INT32_MAX) {
 return BAD_VALUE;
 }

    mDataPos += len;
    ALOGV("finishWrite Setting data pos of %p to %zu", this, mDataPos);
 if (mDataPos > mDataSize) {
        mDataSize = mDataPos;
        ALOGV("finishWrite Setting data size of %p to %zu", this, mDataSize);
 }
 return NO_ERROR;
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.