func (m *FloatingPoint) Unmarshal(dAtA []byte) error {
	l := len(dAtA)
	iNdEx := 0
	for iNdEx < l {
		preIndex := iNdEx
		var wire uint64
		for shift := uint(0); ; shift += 7 {
			if shift >= 64 {
				return ErrIntOverflowMapsproto2
			}
			if iNdEx >= l {
				return io.ErrUnexpectedEOF
			}
			b := dAtA[iNdEx]
			iNdEx++
			wire |= uint64(b&0x7F) << shift
			if b < 0x80 {
				break
			}
		}
		fieldNum := int32(wire >> 3)
		wireType := int(wire & 0x7)
		if wireType == 4 {
			return fmt.Errorf("proto: FloatingPoint: wiretype end group for non-group")
		}
		if fieldNum <= 0 {
			return fmt.Errorf("proto: FloatingPoint: illegal tag %d (wire type %d)", fieldNum, wire)
		}
		switch fieldNum {
		case 1:
			if wireType != 1 {
				return fmt.Errorf("proto: wrong wireType = %d for field F", wireType)
			}
			var v uint64
			if (iNdEx + 8) > l {
				return io.ErrUnexpectedEOF
			}
			v = uint64(encoding_binary.LittleEndian.Uint64(dAtA[iNdEx:]))
			iNdEx += 8
			v2 := float64(math.Float64frombits(v))
			m.F = &v2
		default:
			iNdEx = preIndex
			skippy, err := skipMapsproto2(dAtA[iNdEx:])
			if err != nil {
				return err
			}
			if skippy < 0 {
				return ErrInvalidLengthMapsproto2
			}
			if (iNdEx + skippy) < 0 {
				return ErrInvalidLengthMapsproto2
			}
			if (iNdEx + skippy) > l {
				return io.ErrUnexpectedEOF
			}
			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
			iNdEx += skippy
		}
	}

	if iNdEx > l {
		return io.ErrUnexpectedEOF
	}
	return nil
}
The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.