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Examples of errors detected by the V773…

Examples of errors detected by the V773 diagnostic

V773. The function was exited without releasing the pointer/handle. A memory/resource leak is possible.


Far2l

V773 The function was exited without releasing the 't' pointer. A memory leak is possible. 7z.cpp 202


BOOL WINAPI _export SEVENZ_OpenArchive(const char *Name,
                                       int *Type)
{
  Traverser *t = new Traverser(Name);
  if (!t->Valid())
  {
    return FALSE;                             // <=
    delete t;                                 // <=
  }

  delete s_selected_traverser;
  s_selected_traverser = t;
  return TRUE;
}

Notepad++

V773 The function was exited without releasing the 'pXmlDocProject' pointer. A memory leak is possible. projectpanel.cpp 326


bool ProjectPanel::openWorkSpace(const TCHAR *projectFileName)
{
  TiXmlDocument *pXmlDocProject = new TiXmlDocument(....);
  bool loadOkay = pXmlDocProject->LoadFile();
  if (!loadOkay)
    return false;        // <=

  TiXmlNode *root = pXmlDocProject->FirstChild(TEXT("Note...."));
  if (!root)
    return false;        // <=

  TiXmlNode *childNode = root->FirstChildElement(TEXT("Pr...."));
  if (!childNode)
    return false;        // <=

  if (!::PathFileExists(projectFileName))
    return false;        // <=

  ....

  delete pXmlDocProject; // <= free pointer
  return loadOkay;
}

Notepad++

V773 Visibility scope of the 'pTextFind' pointer was exited without releasing the memory. A memory leak is possible. findreplacedlg.cpp 1577


bool FindReplaceDlg::processReplace(....)
{
  ....
  TCHAR *pTextFind = new TCHAR[stringSizeFind + 1];
  TCHAR *pTextReplace = new TCHAR[stringSizeReplace + 1];
  lstrcpy(pTextFind, txt2find);
  lstrcpy(pTextReplace, txt2replace);
  ....
}

Scilab

V773 The function was exited without releasing the 'doc' pointer. A memory leak is possible. sci_builddoc.cpp 263


int sci_buildDoc(char *fname, void* pvApiCtx)
{
  ....
  try
  {
    org_scilab_modules_helptools::SciDocMain * doc = new ....

    if (doc->setOutputDirectory((char *)outputDirectory.c_str()))
    {
      ....
    }
    else
    {
      Scierror(999, _("...."), fname, outputDirectory.c_str());
      return FALSE;  // <=
    }
    if (doc != NULL)
    {
      delete doc;
    }
  }
  catch (GiwsException::JniException ex)
  {
    Scierror(....);
    Scierror(....);
    Scierror(....);
    return FALSE;
  }
  ....
}

Scilab

V773 Visibility scope of the 'hProcess' handle was exited without releasing the resource. A resource leak is possible. killscilabprocess.c 35


void killScilabProcess(int exitCode)
{
  HANDLE hProcess;

  /* Ouverture de ce Process avec droit pour le tuer */
  hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, ....);
  if (hProcess)
  {
    /* Tue ce Process */
    TerminateProcess(hProcess, exitCode);
  }
  else
  {
    MessageBox(NULL, "....", "Warning", MB_ICONWARNING);
  }
}

Augeas

V773 The function was exited without releasing the 'l' pointer. A memory leak is possible. transform.c 709


static void xfm_error(struct tree *xfm, const char *msg) {
  char *v = msg ? strdup(msg) : NULL;
  char *l = strdup("error");             // <=

  if (l == NULL || v == NULL)
    return;                              // <=
  tree_append(xfm, l, v);
}

Tizen

V773 The function was exited without releasing the 'role_name' pointer. A memory leak is possible. navigator.c 991


char *generate_role_trait(AtspiAccessible * obj)
{
  ....
  return strdup(ret);
}

char *generate_description_trait(AtspiAccessible * obj) {
  ....
  return strdup(ret);
}

char *generate_state_trait(AtspiAccessible * obj)
{
  ....
  return strdup(ret);
}

static char *generate_description_from_relation_object(....)
{
  ....
  char *role_name = generate_role_trait(obj);
  char *description_from_role = generate_description_trait(obj);
  char *state_from_role = generate_state_trait(obj);
  ....
  char *desc = atspi_accessible_get_description(obj, &err);

  if (err)
  {
    g_error_free(err);
    g_free(desc);
    return strdup(trait);
  }
  ....
}

Similar errors can be found in some other places:

  • V773 The function was exited without releasing the 'description_from_role' pointer. A memory leak is possible. navigator.c 991
  • V773 The function was exited without releasing the 'state_from_role' pointer. A memory leak is possible. navigator.c 991

Enlightenment

V773 The function was exited without releasing the 'dupname' pointer. A memory leak is possible. e_comp_wl_rsm.c 639


#define EINA_SAFETY_ON_NULL_RETURN_VAL(exp, val)            \
do                                                          \
{                                                           \
  if (EINA_UNLIKELY((exp) == NULL))                         \
  {                                                         \
    EINA_LOG_ERR("%s", "safety ......: " # exp " == NULL"); \
    return (val);                                           \
  }                                                         \
}                                                           \
while (0)

static const char *
_remote_source_image_data_save(Thread_Data *td, const char *path,
                               const char *name)
{
  ....
  const char *dupname;
  ....
  dupname = strdup(fname);                                 // <=
  ....
  if (shm_buffer)
  {
    ptr = wl_shm_buffer_get_data(shm_buffer);
    EINA_SAFETY_ON_NULL_RETURN_VAL(ptr, NULL);             // <=
  ....
}

EFL Core Libraries

V773 The function was exited without releasing the 'colors' pointer. A memory leak is possible. edje_cc_handlers.c 7335


static Edje_Map_Color **
_copied_map_colors_get(Edje_Part_Description_Common *parent)
{
   Edje_Map_Color **colors;
   Edje_Map_Color *color;
   int i;

   if (parent->map.colors_count == 0) return NULL;
   colors = malloc(sizeof(Edje_Map_Color *) *            // <= #1
                   parent->map.colors_count);

   for (i = 0; i < (int)parent->map.colors_count; i++)
     {
        color = parent->map.colors[i];

        Edje_Map_Color *c = mem_alloc(SZ(Edje_Map_Color));
        if (!color)                                      // <= #2
          {
             ERR("not enough memory");
             exit(-1);                                   // <= #3
             return NULL;                                // <= #4
          }
        memcpy(c, color, sizeof(Edje_Map_Color));
        colors[i] = c;
     }
   return colors;
}

Details: https://pvs-studio.com/en/blog/posts/cpp/0508/


MuseScore

V773 Visibility scope of the 'beam' pointer was exited without releasing the memory. A memory leak is possible. read114.cpp 2334


Score::FileError MasterScore::read114(XmlReader& e)
{
  ....
  else if (tag == "Excerpt") {
    if (MScore::noExcerpts)
          e.skipCurrentElement();
    else {
      Excerpt* ex = new Excerpt(this);
      ex->read(e);
      _excerpts.append(ex);
    }
  }
  else if (tag == "Beam") {
    Beam* beam = new Beam(this);
    beam->read(e);
    beam->setParent(0);
    // _beams.append(beam);       // <=
  }
  ....
}

Rosegarden

V773 The function was exited without releasing the 'testFile' pointer. A memory leak is possible. RIFFAudioFile.cpp 561


AudioFileType
RIFFAudioFile::identifySubType(const QString &filename)
{
  std::ifstream *testFile =
    new std::ifstream(filename.toLocal8Bit(),
                      std::ios::in | std::ios::binary);

  if (!(*testFile))
    return UNKNOWN;
  ....
  testFile->close();
  delete testFile;
  delete [] bytes;

  return type;
}

Rosegarden

V773 The function was exited without releasing the 'midiFile' pointer. A memory leak is possible. MidiFile.cpp 1531


bool
MidiFile::write(const QString &filename)
{
  std::ofstream *midiFile =
    new std::ofstream(filename.toLocal8Bit(),
                        std::ios::out | std::ios::binary);

  if (!(*midiFile)) {
    RG_WARNING << "write() - can't write file";
    m_format = MIDI_FILE_NOT_LOADED;
    return false;
  }
  ....
  midiFile->close();

  return true;
}

Ardour

V773 The function was exited without releasing the 'mootcher' pointer. A memory leak is possible. sfdb_ui.cc 1064


std::string
SoundFileBrowser::freesound_get_audio_file(Gtk::TreeIter iter)
{

  Mootcher *mootcher = new Mootcher;
  std::string file;

  string id  = (*iter)[freesound_list_columns.id];
  string uri = (*iter)[freesound_list_columns.uri];
  string ofn = (*iter)[freesound_list_columns.filename];

  if (mootcher->checkAudioFile(ofn, id)) {
    // file already exists, no need to download it again
    file = mootcher->audioFileName;
    delete mootcher;
    (*iter)[freesound_list_columns.started] = false;
    return file;
  }
  if (!(*iter)[freesound_list_columns.started]) {
    // start downloading the sound file
    (*iter)[freesound_list_columns.started] = true;
    mootcher->fetchAudioFile(ofn, id, uri, this);
  }
  return "";
}

Steinberg SDKs

V773 The function was exited without releasing the 'paramIds' pointer. A memory leak is possible. vsttestsuite.cpp 436


bool PLUGIN_API VstScanParametersTest::run (....)
{
  ....
  int32* paramIds = new int32[numParameters];

  bool foundBypass = false;
  for (int32 i = 0; i < numParameters; ++i)
  {
    ParameterInfo paramInfo = {0};

    tresult result = controller->getParameterInfo (i, paramInfo);
    if (result != kResultOk)
    {
      addErrorMessage (testResult,
        printf ("Param %03d: is missing!!!", i));
      return false; // Memory Leak
    }

    int32 paramId = paramInfo.id;
    paramIds[i] = paramId;
    if (paramId < 0)
    {
      addErrorMessage (testResult,
        printf ("Param %03d: Invalid Id!!!", i));
      return false; // Memory Leak
    }
  ....
  if (paramIds)
    delete[] paramIds;

  return true;
}

Chromium

V773 CWE-401 The function was exited without releasing the 'n' pointer. A memory leak is possible. android_rsa.cc 248


uint32_t* BnNew() {
  uint32_t* result = new uint32_t[kBigIntSize];
  memset(result, 0, kBigIntSize * sizeof(uint32_t));
  return result;
}

std::string AndroidRSAPublicKey(crypto::RSAPrivateKey* key) {
  ....
  uint32_t* n = BnNew();
  ....
  RSAPublicKey pkey;
  pkey.len = kRSANumWords;
  pkey.exponent = 65537; // Fixed public exponent
  pkey.n0inv = 0 - ModInverse(n0, 0x100000000LL);
  if (pkey.n0inv == 0)
    return kDummyRSAPublicKey;
  ....
}

If pkey.n0inv == 0, a memory leak will occur.


ICU

V773 CWE-401 The function was exited without releasing the 'rules' pointer. A memory leak is possible. rbtz.cpp 668


UVector*
RuleBasedTimeZone::copyRules(UVector* source) {
    if (source == NULL) {
        return NULL;
    }
    UErrorCode ec = U_ZERO_ERROR;
    int32_t size = source->size();
    UVector *rules = new UVector(size, ec);
    if (U_FAILURE(ec)) {
        return NULL;
    }
  ....
}

In case of erroneous situation the delete operator isn't called.


ICU

V773 CWE-401 The function was exited without releasing the 'tmpSet' pointer. A memory leak is possible. uspoof_impl.cpp 184


void SpoofImpl::setAllowedLocales(const char *localesList,
                                  UErrorCode &status) {
  ....
  fAllowedLocales = uprv_strdup("");
  tmpSet = new UnicodeSet(0, 0x10ffff);
  if (fAllowedLocales == NULL || tmpSet == NULL) {
    status = U_MEMORY_ALLOCATION_ERROR;
    return;
  }
  ....
}

In case of object copying the delete operator is not called.


ICU

V773 CWE-401 The function was exited without releasing the 'result' pointer. A memory leak is possible. stsearch.cpp 301


SearchIterator * StringSearch::safeClone(void) const
{
  UErrorCode status = U_ZERO_ERROR;
  StringSearch *result = new StringSearch(m_pattern_, m_text_,
                                          getCollator(),
                                          m_breakiterator_,
                                          status);
  ....
  result->setOffset(getOffset(), status);
  ....
  if (U_FAILURE(status)) {
    return NULL;
  }
  return result;
}

In case of erroneous situation the delete operator is not called.

Similar errors can be found in some other places:

  • V773 CWE-401 The function was exited without releasing the 'values' pointer. A memory leak is possible. tznames_impl.cpp 154
  • V773 CWE-401 The function was exited without releasing the 'filter' pointer. A memory leak is possible. tridpars.cpp 298
  • V773 CWE-401 The function was exited without releasing the 'targets' pointer. A memory leak is possible. transreg.cpp 984
  • And 2 additional diagnostic messages.

WebM

V773 CWE-401 The function was exited without releasing the 'new_frame' pointer. A memory leak is possible. mkvmuxer.cc 3513


bool Segment::AddGenericFrame(const Frame* frame) {
  ....
  Frame* const new_frame = new (std::nothrow) Frame();
  if (!new_frame || !new_frame->CopyFrom(*frame))
    return false;
  ....
}

In case of erroneous situation the delete operator is not called.

Similar errors can be found in some other places:

  • V773 CWE-401 The function was exited without releasing the 'new_frame' pointer. A memory leak is possible. mkvmuxer.cc 3539

SwiftShader

V773 CWE-401 The function was exited without releasing the 'node' pointer. A memory leak is possible. intermediate.cpp 405


TIntermTyped* TIntermediate::addBinaryMath(....)
{
  ....
  TIntermBinary* node = new TIntermBinary(op);
  node->setLine(line);

  node->setLeft(left);
  node->setRight(right);
  if (!node->promote(infoSink))
    return 0;
  ....
}

In case of erroneous situation the delete operator is not called.

Similar errors can be found in some other places:

  • V773 CWE-401 The function was exited without releasing the 'node' pointer. A memory leak is possible. intermediate.cpp 443
  • V773 CWE-401 The function was exited without releasing the 'node' pointer. A memory leak is possible. intermediate.cpp 514
  • V773 CWE-401 The function was exited without releasing the 'rightUnionArray' pointer. A memory leak is possible. intermediate.cpp 1457
  • And 2 additional diagnostic messages.

PDFium

V773 CWE-401 The function was exited without releasing the 'pContext' pointer. A memory leak is possible. fx_codec_jpeg.cpp 421


std::unique_ptr<CCodec_JpegModule::Context>
CCodec_JpegModule::Start()
{
  auto* pContext = new CJpegContext();
  if (setjmp(pContext->m_JumpMark) == -1)
    return nullptr;
  ....
}

In case of erroneous situation the delete operator is not called.


EA WebKit

V773 CWE-401 The function was exited without releasing the 'transform_css_value' pointer. A memory leak is possible. csstransformvalue.cpp 73


static CSSValueList* CreateSpaceSeparated() {
  return new CSSValueList(kSpaceSeparator);
}

const CSSValue* CSSTransformValue::ToCSSValue(....) const {
  CSSValueList* transform_css_value =
    CSSValueList::CreateSpaceSeparated();
  for (size_t i = 0; i < transform_components_.size(); i++) {
    const CSSValue* component =
      transform_components_[i]->ToCSSValue(secure_context_mode);
    if (!component)
      return nullptr;                              // <=
    transform_css_value->Append(*component);
  }
  return transform_css_value;
}

In case of erroneous situation the delete operator is not called.

Similar errors can be found in some other places:

  • V773 CWE-401 The function was exited without releasing the 'image_set' pointer. A memory leak is possible. csspropertyparserhelpers.cpp 1507
  • V773 CWE-401 The function was exited without releasing the 'list' pointer. A memory leak is possible. csspropertyparserhelpers.cpp 1619
  • V773 CWE-401 The function was exited without releasing the 'shape' pointer. A memory leak is possible. cssparsingutils.cpp 248
  • And 12 additional diagnostic messages.

EA WebKit

V773 CWE-401 The function was exited without releasing the 'list' pointer. A memory leak is possible. computedstylecssvaluemapping.cpp 1232


static CSSValueList* CreateSpaceSeparated() {
  return new CSSValueList(kSpaceSeparator);
}

static CSSValue* RenderTextDecorationFlagsToCSSValue(
    TextDecoration text_decoration)
{
  CSSValueList* list = CSSValueList::CreateSpaceSeparated();
  ....
  if (!list->length())
    return CSSIdentifierValue::Create(CSSValueNone);
  return list;
}

In case of erroneous situation the delete operator is not called.

Similar errors can be found in some other places:

  • V773 CWE-401 The function was exited without releasing the 'list' pointer. A memory leak is possible. computedstylecssvaluemapping.cpp 1678
  • V773 CWE-401 The function was exited without releasing the 'list' pointer. A memory leak is possible. computedstylecssvaluemapping.cpp 1727
  • V773 CWE-401 The function was exited without releasing the 'list' pointer. A memory leak is possible. computedstylecssvaluemapping.cpp 2036
  • And 13 additional diagnostic messages.

EA WebKit

V773 CWE-401 The function was exited without releasing the 'port_array' pointer. A memory leak is possible. v8messageeventcustom.cpp 127


void V8MessageEvent::initMessageEventMethodCustom(....)
{
  ....
  MessagePortArray* port_array = nullptr;
  ....
  port_array = new MessagePortArray;
  *port_array =
    NativeValueTraits<IDLSequence<MessagePort>>::NativeValue(
      info.GetIsolate(), info[kPortArrayIndex], exception_state);
  if (exception_state.HadException())
    return;
  ....
}

In case of erroneous situation the delete operator is not called.


EA WebKit

V773 CWE-401 The function was exited without releasing the 'temporary_body' pointer. A memory leak is possible. request.cpp 381


Request* Request::CreateRequestWithRequestOrString(....)
{
  ....
  BodyStreamBuffer* temporary_body = ....;
  ....
  temporary_body =
   new BodyStreamBuffer(script_state, std::move(init.GetBody()));
  ....
  if (exception_state.HadException())
    return nullptr;
  ....
}

In case of erroneous situation the delete operator is not called.


XNU kernel

V773 CWE-401 The 'nub' pointer was assigned values twice without releasing the memory. A memory leak is possible. IOPlatformExpert.cpp 1287


IOService * IODTPlatformExpert::createNub(IORegistryEntry * from)
{
  IOService *    nub;

  nub = new IOPlatformDevice;
  if (nub) {
    if( !nub->init( from, gIODTPlane )) {
      nub->free();
      nub = 0;
    }
  }
  return (nub);
}

Similar errors can be found in some other places:

  • V773 CWE-401 The 'inst' pointer was assigned values twice without releasing the memory. A memory leak is possible. IOUserClient.cpp 246
  • V773 CWE-401 The 'myself' pointer was assigned values twice without releasing the memory. A memory leak is possible. IOPMrootDomain.cpp 9151

Krita

V773 The function was exited without releasing the 'svgSymbol' pointer. A memory leak is possible. SvgParser.cpp 681


bool SvgParser::parseSymbol(const KoXmlElement &e)
{
    ....

    KoSvgSymbol *svgSymbol = new KoSvgSymbol();         // <=

    m_context.pushGraphicsContext(e, false);
    m_context.currentGC()->matrix = QTransform();
    m_context.currentGC()->currentBoundingBox = QRectF(0.0, 0.0,
                                                       1.0, 1.0);

    QString title =
        e.firstChildElement("title").toElement().text();

    KoShape *symbolShape = parseGroup(e);

    m_context.popGraphicsContext();

    if (!symbolShape) return false;                     // <=
    ....
}

Similar errors can be found in some other places:

  • V773 The function was exited without releasing the 'ppmFlow' pointer. A memory leak is possible. kis_ppm_import.cpp 249
  • V773 The function was exited without releasing the 'keyShortcut' pointer. A memory leak is possible. kis_input_manager_p.cpp 443
  • V773 The function was exited without releasing the 'layerRecord' pointer. A memory leak is possible. psd_layer_section.cpp 109
  • And 1 additional diagnostic messages.

Android

V773 CWE-401 The function was exited without releasing the 'pAsset' pointer. A memory leak is possible. Asset.cpp 296


Asset* Asset::createFromUncompressedMap(FileMap* dataMap,
  AccessMode mode)
{
  _FileAsset* pAsset;
  status_t result;

  pAsset = new _FileAsset;
  result = pAsset->openChunk(dataMap);
  if (result != NO_ERROR)
    return NULL;

  pAsset->mAccessMode = mode;
  return pAsset;
}

Similar errors can be found in some other places:

  • V773 CWE-401 The function was exited without releasing the 'type_rules' pointer. A memory leak is possible. typecmp.c 177
  • V773 CWE-401 The function was exited without releasing the 'pAsset' pointer. A memory leak is possible. Asset.cpp 330
  • V773 CWE-401 The function was exited without releasing the 'new_bag' pointer. A memory leak is possible. AssetManager2.cpp 549
  • And 17 additional diagnostic messages.

Android

V773 CWE-401 The function was exited without releasing the 'pfin' handle. A resource leak is possible. slang_rs_reflection_cpp.cpp 448


bool RSReflectionCpp::genEncodedBitCode() {
  FILE *pfin = fopen(mBitCodeFilePath.c_str(), "rb");
  if (pfin == nullptr) {
    fprintf(stderr, "Error: could not read file %s\n",
            mBitCodeFilePath.c_str());
    return false;
  }

  unsigned char buf[16];
  int read_length;
  mOut.indent() << "static const unsigned char __txt[] =";
  mOut.startBlock();
  while ((read_length = fread(buf, 1, sizeof(buf), pfin)) > 0) {
    mOut.indent();
    for (int i = 0; i < read_length; i++) {
      char buf2[16];
      snprintf(buf2, sizeof(buf2), "0x%02x,", buf[i]);
      mOut << buf2;
    }
    mOut << "\n";
  }
  mOut.endBlock(true);
  mOut << "\n";
  return true;
}

Vangers: One For The Road

V773 CWE-401 Visibility scope of the 'buf' pointer was exited without releasing the memory. A memory leak is possible. iscr_fnc.cpp 1174


void iInitText(....)
{
  char *buf;
  buf = new char[text_len];
  memcpy(buf, text, text_len);
  ....
  i = 0;
  while (i < text_len)
  {
    while (!buf[i]) i++;
    if (i < text_len)
    {
      ....
      while (buf[i]) i++;
    }
  }
}

Similar errors can be found in some other places:

  • V773 CWE-401 Visibility scope of the 'buf' pointer was exited without releasing the memory. A memory leak is possible. iscr_fnc.cpp 1209

0 A.D.

V773 CWE-401 The function was exited without releasing the 'f' handle. A resource leak is possible. unix.cpp 332


#define WARN_RETURN(status)\
  do\
  {\
    DEBUG_WARN_ERR(status);\
    return status;\
  }\
  while(0)

Status sys_generate_random_bytes(u8* buf, size_t count)
{
  FILE* f = fopen("/dev/urandom", "rb");
  if (!f)
    WARN_RETURN(ERR::FAIL);

  while (count)
  {
    size_t numread = fread(buf, 1, count, f);
    if (numread == 0)
      WARN_RETURN(ERR::FAIL);
    buf += numread;
    count -= numread;
  }

  fclose(f);
  return INFO::OK;
}

0 A.D.

V773 CWE-401 The function was exited without releasing the 'impl' pointer. A memory leak is possible. x.cpp 421


#define WARN_RETURN(status)\
  do\
  {\
    DEBUG_WARN_ERR(status);\
    return status;\
  }\
  while(0)

Status sys_cursor_create(....)
{
  ....
  sys_cursor_impl* impl = new sys_cursor_impl;
  impl->image = image;
  impl->cursor = XcursorImageLoadCursor(wminfo.info.x11.display, image);
  if(impl->cursor == None)
    WARN_RETURN(ERR::FAIL);

  *cursor = static_cast<sys_cursor>(impl);
  return INFO::OK;
}

ANGLE

V773 CWE-401 The function was exited without releasing the 'node' pointer. A memory leak is possible. intermediate.cpp 58


TIntermTyped *TIntermediate::addBinaryMath(....)
{
  ....
  TIntermBinary *node = new TIntermBinary(op);
  node->setLine(line);

  node->setLeft(left);
  node->setRight(right);
  if (!node->promote(mInfoSink))
    return NULL;
  ....
}

Similar errors can be found in some other places:

  • V773 CWE-401 The function was exited without releasing the 'node' pointer. A memory leak is possible. intermediate.cpp 90
  • V773 CWE-401 The function was exited without releasing the 'node' pointer. A memory leak is possible. intermediate.cpp 133
  • V773 CWE-401 The function was exited without releasing the 'leftArray' pointer. A memory leak is possible. intermnode.cpp 957
  • And 2 additional diagnostic messages.

Stellarium

V773 The function was exited without releasing the 'newVertex1' pointer. A memory leak is possible. mesh.c 312


static GLUESvertex* allocVertex()
{
   return (GLUESvertex*)memAlloc(sizeof(GLUESvertex));
}

GLUEShalfEdge* __gl_meshMakeEdge(GLUESmesh* mesh)
{
  GLUESvertex* newVertex1 = allocVertex();
  GLUESvertex* newVertex2 = allocVertex();
  GLUESface* newFace = allocFace();
  GLUEShalfEdge* e;

  ....

  e = MakeEdge(&mesh->eHead);
  if (e == NULL)
  {
    return NULL;
  }

  ....
}

Similar errors can be found in some other places:

  • V773 The function was exited without releasing the 'newVertex2' pointer. A memory leak is possible. mesh.c 312
  • V773 The function was exited without releasing the 'newFace' pointer. A memory leak is possible. mesh.c 312

LibrePCB

V773 CWE-401 The exception was thrown without releasing the 'element' pointer. A memory leak is possible. projectlibrary.cpp 245


template <typename ElementType>
void ProjectLibrary::loadElements(....) {
  ....
  ElementType* element = new ElementType(elementDir, false);  // can throw
  if (elementList.contains(element->getUuid())) {
    throw RuntimeError(
        __FILE__, __LINE__,
        QString(tr("There are multiple library elements with the same "
                   "UUID in the directory \"%1\""))
            .arg(subdirPath.toNative()));
  }
  ....
}

Windows Calculator

V773 The function was exited without releasing the 'temp' pointer. A memory leak is possible. CalcViewModel StandardCalculatorViewModel.cpp 529


void StandardCalculatorViewModel::HandleUpdatedOperandData(Command cmdenum)
{
  ....
  wchar_t* temp = new wchar_t[100];
  ....
  if (commandIndex == 0)
  {
    delete [] temp;
    return;
  }
  ....
  length = m_selectedExpressionLastData->Length() + 1;
  if (length > 50)
  {
    return;
  }
  ....
  String^ updatedData = ref new String(temp);
  UpdateOperand(m_tokenPosition, updatedData);
  displayExpressionToken->Token = updatedData;
  IsOperandUpdatedUsingViewModel = true;
  displayExpressionToken->CommandIndex = commandIndex;
}

FreeRDP

V773 The function was exited without releasing the 'cwd' pointer. A memory leak is possible. environment.c 84


DWORD GetCurrentDirectoryA(DWORD nBufferLength, LPSTR lpBuffer)
{
  char* cwd;
  ....
  cwd = getcwd(NULL, 0);
  ....
  if (lpBuffer == NULL)
  {
    free(cwd);
    return 0;
  }

  if ((length + 1) > nBufferLength)
  {
    free(cwd);
    return (DWORD) (length + 1);
  }

  memcpy(lpBuffer, cwd, length + 1);
  return length;
  ....
}

Haiku Operation System

V773 The function was exited without releasing the 'inputFileFile' pointer. A memory leak is possible. command_recompress.cpp 119


int
command_recompress(int argc, const char* const* argv)
{
  ....
  BFile* inputFileFile = new BFile;
  error = inputFileFile->SetTo(inputPackageFileName, O_RDONLY);
  if (error != B_OK) {
    fprintf(stderr, "Error: Failed to open input file \"%s\": %s\n",
      inputPackageFileName, strerror(error));
    return 1;
  }
  inputFile = inputFileFile;
  ....
}

Bullet Physics SDK

V773 Visibility scope of the 'importer' pointer was exited without releasing the memory. A memory leak is possible. SerializeSetup.cpp 94


void SerializeSetup::initPhysics()
{
  ....
  btBulletWorldImporter* importer = new btBulletWorldImporter(m_dynamicsWorld);
  ....

  fclose(file);

  m_guiHelper->autogenerateGraphicsObjects(m_dynamicsWorld);
}

CMake

V773 The function was exited without releasing the 'testRun' pointer. A memory leak is possible. cmCTestMultiProcessHandler.cxx 193


void cmCTestMultiProcessHandler::FinishTestProcess(cmCTestRunTest* runner,
                                                   bool started)
{
  ....
  delete runner;
  if (started) {
    this->StartNextTests();
  }
}

bool cmCTestMultiProcessHandler::StartTestProcess(int test)
{
  ....
  cmCTestRunTest* testRun = new cmCTestRunTest(*this);    // <=
  ....
  if (testRun->StartTest(this->Completed, this->Total)) {
      return true;                                        // <=
    }
  }

  this->FinishTestProcess(testRun, false);                // <=
  return false;
}

CMake

V773 The function was exited without closing the file referenced by the 'fd' handle. A resource leak is possible. rhash.c 450


RHASH_API int rhash_file(....)
{
  FILE* fd;
  rhash ctx;
  int res;

  hash_id &= RHASH_ALL_HASHES;
  if (hash_id == 0) {
    errno = EINVAL;
    return -1;
  }

  if ((fd = fopen(filepath, "rb")) == NULL) return -1;

  if ((ctx = rhash_init(hash_id)) == NULL) return -1;  // <= fclose(fd); ???

  res = rhash_file_update(ctx, fd);
  fclose(fd);

  rhash_final(ctx, result);
  rhash_free(ctx);
  return res;
}

Celestia

V773 The function was exited without releasing the 'vertexShader' pointer. A memory leak is possible. modelviewwidget.cpp 1517


GLShaderProgram*
ModelViewWidget::createShader(const ShaderKey& shaderKey)
{
  ....
  auto* glShader = new GLShaderProgram();
  auto* vertexShader = new GLVertexShader();
  if (!vertexShader->compile(vertexShaderSource.toStdString()))
  {
      qWarning("Vertex shader error: %s", vertexShader->log().c_str());
      std::cerr << vertexShaderSource.toStdString() << std::endl;
      delete glShader;
      return nullptr;
  }
  ....
}

Similar errors can be found in some other places:

  • V773 The function was exited without releasing the 'fragmentShader' pointer. A memory leak is possible. modelviewwidget.cpp 1526

Kodi

V773 Visibility scope of the 'progressHandler' pointer was exited without releasing the memory. A memory leak is possible. PVRGUIChannelIconUpdater.cpp:94


void CPVRGUIChannelIconUpdater::SearchAndUpdateMissingChannelIcons() const
{
  ....
  CPVRGUIProgressHandler* progressHandler =
      new CPVRGUIProgressHandler(g_localizeStrings.Get(19286));
  for (const auto& group : m_groups)
  {
    const std::vector<PVRChannelGroupMember> members = group->GetMembers();
    int channelIndex = 0;
    for (const auto& member : members)
    {
      progressHandler->UpdateProgress(member.channel->ChannelName(),
            channelIndex++, members.size());
      ....
  }
  progressHandler->DestroyProgress();
}

ROOT

V773 The function was exited without releasing the 'optionlist' pointer. A memory leak is possible. TDataMember.cxx 355


void TDataMember::Init(bool afterReading)
{
  ....
  TList *optionlist = new TList();       //storage for options strings

  for (i=0;i<token_cnt;i++) {
     if (strstr(tokens[i],"Items")) {
        ptr1 = R__STRTOK_R(tokens[i], "()", &rest);
        if (ptr1 == 0) {
           Fatal("TDataMember","Internal error, found \"Items....",GetTitle());
           return;
        }
        ptr1 = R__STRTOK_R(nullptr, "()", &rest);
        if (ptr1 == 0) {
           Fatal("TDataMember","Internal error, found \"Items....",GetTitle());
           return;
        }
        ....
     }
     ....
  }
  ....
  // dispose of temporary option list...
  delete optionlist;
  ....
}

Command & Conquer

V773 The function was exited without releasing the 'progresspalette' pointer. A memory leak is possible. MAPSEL.CPP 258


void Map_Selection(void)
{
  ....
  unsigned char *grey2palette    = new unsigned char[768];
  unsigned char *progresspalette = new unsigned char[768];
  ....
  scenario = Scenario + ((house == HOUSE_GOOD) ? 0 : 14);
  if (house == HOUSE_GOOD) {
    lastscenario = (Scenario == 14);
    if (Scenario == 15) return;
  } else {
    lastscenario = (Scenario == 12);
    if (Scenario == 13) return;
  }
  ....
}

void AbstractClass::Delete_This(void) { unsigned long *this_ptr = (unsigned long*) this; unsigned long vtable_ptr = *this_ptr; delete this; *this_ptr = vtable_ptr; }


ORCT2

V773 [CWE-401] The exception was thrown without releasing the 'result' pointer. A memory leak is possible. libopenrct2 ObjectFactory.cpp 443


Object* CreateObjectFromJson(....)
{
  Object* result = nullptr;
  ....
  result = CreateObject(entry);
  ....
  if (readContext.WasError())
  {
    throw std::runtime_error("Object has errors");
  }
  ....
}
Object* CreateObject(const rct_object_entry& entry)
{
  Object* result;
  switch (entry.GetType())
  {
    case OBJECT_TYPE_RIDE:
      result = new RideObject(entry);
      break;
    case OBJECT_TYPE_SMALL_SCENERY:
      result = new SmallSceneryObject(entry);
      break;
    case OBJECT_TYPE_LARGE_SCENERY:
      result = new LargeSceneryObject(entry);
      break;
    ....
    default:
      throw std::runtime_error("Invalid object type");
  }
  return result;
}

PMDK

V773 [CWE-401] The function was exited without releasing the 'input' pointer. A memory leak is possible. pmemobjcli.c 238


static enum pocli_ret
pocli_args_obj_root(struct pocli_ctx *ctx, char *in, PMEMoid **oidp)
{
  char *input = strdup(in);
  if (!input)
    return POCLI_ERR_MALLOC;

  if (!oidp)
    return POCLI_ERR_PARS;
  ....
}

Qemu

V773 The function was exited without releasing the 'rule' pointer. A memory leak is possible. blkdebug.c 218


static int add_rule(void *opaque, QemuOpts *opts, Error **errp)
{
  ....
  struct BlkdebugRule *rule;
  ....
  rule = g_malloc0(sizeof(*rule));
  ....
  if (local_error) {
    error_propagate(errp, local_error);
    return -1;
  }
  ....
  /* Add the rule */
  QLIST_INSERT_HEAD(&s->rules[event], rule, next);
  ....
}

The add_rule function doesn't free '*rule' pointer.


Dlib

V773 The exception was thrown without closing the file referenced by the 'ffind' handle. A resource leak is possible. dir_nav_kernel_1.cpp 60


void file::
init (
    const std::string& name
)
{
  ....
  // now find the size of this file
  WIN32_FIND_DATAA data;
  HANDLE ffind = FindFirstFileA(state.full_name.c_str(), &data);
  if (ffind == INVALID_HANDLE_VALUE ||
      (data.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY) != 0)
  {
      throw file_not_found("Unable to find file " + name);
  }
  else
  {
    ....
  }
}

DeepSpeech

V773 The function was exited without releasing the 'data' pointer. A memory leak is possible. edit-fst.h 311


// EditFstData method implementations: just the Read method.
template <typename A, typename WrappedFstT, typename MutableFstT>
EditFstData<A, WrappedFstT, MutableFstT> *
EditFstData<A, WrappedFstT, MutableFstT>::Read(std::istream &strm,
                                               const FstReadOptions &opts)
{
  auto *data = new EditFstData<A, WrappedFstT, MutableFstT>();
  // next read in MutabelFstT machine that stores edits
  FstReadOptions edits_opts(opts);

  ....

  std::unique_ptr<MutableFstT> edits(MutableFstT::Read(strm, edits_opts));
  if (!edits) return nullptr; // <=

  ....
}

Espressif IoT Development Framework

V773 The function was exited without releasing the 'sm' pointer. A memory leak is possible. esp_wpa2.c 753


static int eap_peer_sm_init(void)
{
  int ret = 0;
  struct eap_sm *sm;
  ....
  sm = (struct eap_sm *)os_zalloc(sizeof(*sm));
  if (sm == NULL) {
    return ESP_ERR_NO_MEM;
  }

  s_wpa2_data_lock = xSemaphoreCreateRecursiveMutex();
  if (!s_wpa2_data_lock) {
    wpa_printf(MSG_ERROR, ".......");  // NOLINT(clang-analyzer-unix.Malloc)
    return ESP_ERR_NO_MEM;
  }
  ....
}

Snort

V773 The function was exited without releasing the 'pi' pointer. A memory leak is possible. bnfa_search.c 1168


static
int _bnfa_conv_list_to_csparse_array(bnfa_struct_t * bnfa)
{
  bnfa_state_t    * ps; /* transition list */
  bnfa_state_t    * pi; /* state indexes into ps */
  bnfa_state_t      ps_index = 0;
  unsigned       nps;
  ....

  ps = BNFA_MALLOC(....);
  if (!ps)
  {
    return -1;
  }
  bnfa->bnfaTransList = ps;

  pi = BNFA_MALLOC(....);
  if (!pi)
  {
    return -1;
  }

 ....

  if (ps_index > nps)
  {
    return -1;
  }
  ....
  BNFA_FREE(pi, ....);
  return 0;
}

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