Examples of errors detected by the V607 diagnostic

V607. Ownerless expression 'Foo'.

IPP Samples

V607 Ownerless expression 'state->com.m_channel_number'. aac_dec aac_dec_api_fp.c 1404

AACStatus bsacdecSetNumChannels(Ipp32s channelConfiguration,
                                AACDec *state)
{
  state->com.m_channel_number = channelConfiguration;
  if (channelConfiguration == 7) {
    state->com.m_channel_number;    // <=
  }

  return AAC_OK;
}

Trans-Proteomic Pipeline

V607 Ownerless expression '* iLenSeq'. Comet_fastadb comet-fastadb1.cxx 2241

void TRANSLATE(int iFrame,
      char *szNewSeq,
      char *szSeq,
      int  *iLenSeq)
{
  ....
  *iLenSeq;
}

Windows 8 Driver Samples

V607 Ownerless expression 'pDevExt->WdfDevice'. uart16550pc.cpp 58

NTSTATUS
UartInitContext(_In_ WDFDEVICE Device)
{
  ....
  pDevExt->WdfDevice;
  ....
}

TortoiseSVN

V607 Ownerless expression 'app.hwndTT'. tortoiseblame.cpp 1782

BOOL InitInstance(HINSTANCE hResource, int nCmdShow)
{
  ....
  app.hwndTT; // handle to the ToolTip control
  ....
}

Boost (C++ libraries)

V607 Ownerless expression 'duration_style_ == style'. base_formatter.hpp 51

void set_duration_style(duration_style style)
{
  duration_style_ == style;
}

Trans-Proteomic Pipeline

V607 Ownerless expression 'done_[charge]'. mixturemodel.cxx 1558

Boolean MixtureModel::iterate(int counter) {
  ....
  if (done_[charge] < 0) {
    done_[charge];
  }
  else if (priors_[charge] > 0.0) {
    done_[charge] += extraitrs_;
  }
  ....
}

CryEngine 3 SDK

V607 Ownerless expression 'insertResult.first->second.m_entityId'. persistantstats.cpp 4814

CPersistantStats::SEnemyTeamMemberInfo *
CPersistantStats::GetEnemyTeamMemberInfo(EntityId inEntityId)
{
  ....
  insertResult.first->second.m_entityId;
  ....
}

Similar errors can be found in some other places:

• V607 Ownerless expression 'initialState.weapon.weaponId'. recordingsystem.cpp 2671

Eigen

V607 Ownerless expression 'v1[0]'. miscmatrices.cpp 28

template<typename MatrixType> void miscMatrices(
  const MatrixType& m)
{
  ....
  VectorType v1 = VectorType::Random(rows);
  v1[0];
  ....
}

Unreal Engine 4

V607 Ownerless expression 'NumByteProperties'. codegenerator.cpp 633

void FNativeClassHeaderGenerator::ExportProperties(....)
{
  ....
  int32 NumByteProperties = 0;
  ....
  if (bIsByteProperty)
  {
    NumByteProperties;
  }
  ....
}

Miranda NG

V607 Ownerless expression 'ccs->wParam'. MirOTR svcs_proto.cpp 103

INT_PTR SVC_OTRSendMessage(WPARAM wParam,LPARAM lParam){
  ....
  CCSDATA *ccs = (CCSDATA *) lParam;
  ....
  if (otr_context_get_trust(context) >= TRUST_UNVERIFIED)
    ccs->wParam;
  ....
}

Similar errors can be found in some other places:

• V607 Ownerless expression 'm_hDDIcon'. HistoryStats bandctrlimpl.cpp 226

Godot Engine

V607 Ownerless expression 'm_angularLimits[p_axis].m_limitSoftness'. generic_6dof_joint_sw.cpp 539

void Generic6DOFJointSW::set_param(....)
{
  ERR_FAIL_INDEX(p_axis,3);
  switch(p_param)
  {
    case PhysicsServer::G6DOF_JOINT_LINEAR_LOWER_LIMIT:
    {
      m_linearLimits.m_lowerLimit[p_axis]=p_value;
    } break;
    case PhysicsServer::G6DOF_JOINT_LINEAR_UPPER_LIMIT:
    {
      m_linearLimits.m_upperLimit[p_axis]=p_value;
    } break;
    ....
    case PhysicsServer::G6DOF_JOINT_ANGULAR_LIMIT_SOFTNESS:
    {
      m_angularLimits[p_axis].m_limitSoftness;  // <=
    } break;
    case PhysicsServer::G6DOF_JOINT_ANGULAR_DAMPING:
    {
      m_angularLimits[p_axis].m_damping=p_value;
    } break;
    ....
  }
}

Godot Engine

V607 Ownerless expression 'ie.action.pressed'. variant_op.cpp 2410

Variant Variant::get(const Variant& p_index, bool *r_valid) const
{
  ....
  if (ie.type == InputEvent::ACTION)
  {
    if (str =="action")
    {
      valid=true;
      return ie.action.action;
    }
    else if (str == "pressed")
    {
      valid=true;
      ie.action.pressed;  // <=
    }
  }
  ....
}

Serious Engine 1 v.1.10

V607 Ownerless expression 'pdecDLLClass->dec_ctProperties'. entityproperties.cpp 107

void CEntity::ReadProperties_t(CTStream &istrm) // throw char *
{
  ....
  CDLLEntityClass *pdecDLLClass = en_pecClass->ec_pdecDLLClass;
  ....
  // for all saved properties
  for(INDEX iProperty=0; iProperty<ctProperties; iProperty++) {
    pdecDLLClass->dec_ctProperties;  // <=
    ....
  }
  ....
}

System Shock

V607 Ownerless expression 'i > 0'. TMAP.C 221

int do_tmap_tile(....)
{
  ....
  for (i=nverts; i--; i>0)
  {
    ....
  }
  ....
}

System Shock

V607 Ownerless expression 'i >= 0'. INTERP.C 366

void g3_interpret_object(....)
{
  for (i=N_RES_POINTS-1; i--; i>=0)
  {
    ....;
  }
  ....
}

Similar errors can be found in some other places:

• V607 Ownerless expression 'i > 0'. TMAP.C 532
• V607 Ownerless expression 'i > 0'. POLYGON.C 77
• V607 Ownerless expression 'i > 0'. POLYGON.C 268

Azure Service Fabric

V607 CWE-482 Ownerless expression. EnvironmentOverrideDescription.cpp 60

bool EnvironmentOverridesDescription::operator == (....) const
{
  bool equals = true;
  for (auto i = 0; i < EnvironmentVariables.size(); i++)
  {
    equals = EnvironmentVariables[i] ==
             other.EnvironmentVariables[i];
    if (!equals) { return equals; }
  }
  this->CodePackageRef == other.CodePackageRef; // <=
  if (!equals) { return equals; }
  return equals;
}
equals = this->CodePackageRef == other.CodePackageRef;
if (!equals) { return equals; }

Captain Blood

V607 Ownerless expression 'isSetPause ? 1 : 0'. SoundsEngine.cpp 741

void SoundsEngine::SetPause(bool isSetPause)
{
  //....
  isSetPause ? 1 : 0;
  //....
}

Microsoft PowerToys

V607 Ownerless expression 'capturedScreenTexture->view.pixels'. MeasureToolOverlayUI.cpp 35

winrt::com_ptr<ID2D1Bitmap> ConvertID3D11Texture2DToD2D1Bitmap(....)
{
  capturedScreenTexture->view.pixels;
  ....
}

GZDoom

V607 Ownerless expression 'GPalette.BaseColors[k]'. d_main.cpp 762

class PaletteContainer
{
public:
  PalEntry BaseColors[256]; // non-gamma corrected palette
  ....
};

static void DrawPaletteTester(int paletteno)
{
  ....
  for (int i = 0; i < 16; ++i)
  {
    for (int j = 0; j < 16; ++j)
    {
      PalEntry pe;
      if (t > 1)
      {
        auto palette = GPalette.GetTranslation(TRANSLATION_Standard,
                                               t - 2)->Palette;
        pe = palette[k];
      }
      else GPalette.BaseColors[k];                     // <=
      ....
    }
    ....
  }
  ....
}

Qt Creator

V607 Ownerless expression 'QRectF { 0, 0, 640, 480 }'. quickitemnodeinstance.cpp 592

QRectF QuickItemNodeInstance::boundingRectWithStepChilds(
  QQuickItem *parentItem) const
{
  QRectF boundingRect = parentItem->boundingRect();

  boundingRect = boundingRect.united(QRectF(QPointF(0, 0), size()));

  for (QQuickItem *childItem : parentItem->childItems())
  {
    ....
  }

  if (boundingRect.isEmpty())
    QRectF{0, 0, 640, 480};    // <=

  return boundingRect;
}

Nau Engine

V607 Ownerless expression 'void ()'. thread_pool_executor.cpp 60

class ThreadPoolExecutor final : public Executor,
                                 public IRuntimeComponent
{
public:
  ThreadPoolExecutor(std::optional<size_t> threadsCount)
  {
    const size_t maxThreads = threadsCount ? *threadsCount
                                           : getDefaultThreadsCount();
    m_threads.reserve(maxThreads);

    for (size_t i = 0; i < maxThreads; ++i)
    {
      m_threads.emplace_back([](ThreadPoolExecutor& executor,
                                size_t threadIndex)
      {
        threading::setThisThreadName(
          std::format("Nau Pool-{}", threadIndex + 1)
        );
        executor.threadWork();
      }, std::ref(*this), i);
    }

    RuntimeObjectRegistration{nau::Ptr<>{this}}.setAutoRemove();
    void();
  }
  ....
};