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https://issues.apache.org/jira/browse/XERCESC-2221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Scott Cantor updated XERCESC-2221:
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Fix Version/s: 4.0.0
> InMemMsgLoader::loadMsg(): fix memory leak when transcoding fails
> -----------------------------------------------------------------
>
> Key: XERCESC-2221
> URL: https://issues.apache.org/jira/browse/XERCESC-2221
> Project: Xerces-C++
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 3.2.3
> Reporter: Even Rouault
> Assignee: Scott Cantor
> Priority: Major
> Fix For: 4.0.0, 3.2.4
>
>
> Seen with the IconvGNU transcoder when parsing "<aaa.xsdopengis.net/gml\x96".
> The reason is that XMLString::transcode(repText2, manager) throws a
> TranscodingException
> which causes the tmp1 string to leak.
> {noformat}
> 0 0x8791409 in operator new(unsigned int)
> /src/llvm-project/compiler-rt/lib/asan/asan_new_delete.cpp:99:3
> 1 0xbd147f7 in xercesc_4_0::MemoryManagerImpl::allocate(unsigned int)
> gdal/xerces-c/src/xercesc/internal/MemoryManagerImpl.cpp:40:18
> 2 0xbe8c73e in xercesc_4_0::IconvGNULCPTranscoder::transcode(char const*,
> xercesc_4_0::MemoryManager*)
> gdal/xerces-c/src/xercesc/util/Transcoders/IconvGNU/IconvGNUTransService.cpp:870:32
> 3 0xbc22ca2 in xercesc_4_0::XMLString::transcode(char const*,
> xercesc_4_0::MemoryManager*)
> gdal/xerces-c/src/xercesc/util/XMLString.cpp:621:25
> 4 0xbe8f4ad in xercesc_4_0::InMemMsgLoader::loadMsg(unsigned int, char16_t*,
> unsigned int, char const*, char const*, char const*, char const*,
> xercesc_4_0::MemoryManager*)
> gdal/xerces-c/src/xercesc/util/MsgLoaders/InMemory/InMemMsgLoader.cpp:157:16
> 5 0xbc20175 in
> xercesc_4_0::XMLException::loadExceptText(xercesc_4_0::XMLExcepts::Codes,
> char const*, char const*, char const*, char const*)
> gdal/xerces-c/src/xercesc/util/XMLException.cpp:241:23
> 6 0xbc48bee in
> xercesc_4_0::UTFDataFormatException::UTFDataFormatException(char const*,
> unsigned long long, xercesc_4_0::XMLExcepts::Codes, char const*, char const*,
> char const*, char const*, xercesc_4_0::MemoryManager*)
> gdal/xerces-c/src/xercesc/util/UTFDataFormatException.hpp:31:1
> 7 0xbc4824e in xercesc_4_0::XMLUTF8Transcoder::transcodeFrom(unsigned char
> const*, unsigned int, char16_t*, unsigned int, unsigned int&, unsigned char*)
> gdal/xerces-c/src/xercesc/util/XMLUTF8Transcoder.cpp:182:13
> 8 0xbd27d7e in xercesc_4_0::XMLReader::xcodeMoreChars(char16_t*, unsigned
> char*, unsigned int) gdal/xerces-c/src/xercesc/internal/XMLReader.cpp:1926:34
> 9 0xbd271dd in xercesc_4_0::XMLReader::refreshCharBuffer()
> gdal/xerces-c/src/xercesc/internal/XMLReader.cpp:571:19
> 10 0xbd15c63 in xercesc_4_0::XMLReader::peekNextChar(char16_t&)
> gdal/xerces-c/src/xercesc/internal/XMLReader.hpp:767:14
> 11 0xbd15aaf in xercesc_4_0::ReaderMgr::peekNextChar()
> gdal/xerces-c/src/xercesc/internal/ReaderMgr.cpp:158:21
> 12 0xbd328da in xercesc_4_0::XMLScanner::scanProlog()
> gdal/xerces-c/src/xercesc/internal/XMLScanner.cpp:1241:45
> 13 0xbd31ef4 in xercesc_4_0::XMLScanner::scanFirst(xercesc_4_0::InputSource
> const&, xercesc_4_0::XMLPScanToken&)
> gdal/xerces-c/src/xercesc/internal/XMLScanner.cpp:549:9
> 14 0xbdadcff in
> xercesc_4_0::SAX2XMLReaderImpl::parseFirst(xercesc_4_0::InputSource const&,
> xercesc_4_0::XMLPScanToken&)
> gdal/xerces-c/src/xercesc/parsers/SAX2XMLReaderImpl.cpp:500:22 {noformat}
>
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