[XERCESC-1771] Uninitialized variable read in XMLUTF8Transcoder::transcodeFrom

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.0
• Fix Version/s: 3.0.1

Environment

Linux, RHEL4

ldd -v -r -d shows xerces loading these libraries:

        /usr/local/lib/libxerces-c.so.27:
                libgcc_s.so.1 (GCC_3.0) => /lib/libgcc_s.so.1
                libpthread.so.0 (GLIBC_2.0) => /lib/tls/libpthread.so.0
                libpthread.so.0 (GLIBC_2.1) => /lib/tls/libpthread.so.0
                libc.so.6 (GLIBC_2.3) => /lib/tls/libc.so.6
                libc.so.6 (GLIBC_2.2) => /lib/tls/libc.so.6
                libc.so.6 (GLIBC_2.1.3) => /lib/tls/libc.so.6
                libc.so.6 (GLIBC_2.1) => /lib/tls/libc.so.6
                libc.so.6 (GLIBC_2.0) => /lib/tls/libc.so.6
                libstdc++.so.6 (GLIBCXX_3.4) => /usr/lib/libstdc++.so.6
                libstdc++.so.6 (CXXABI_1.3) => /usr/lib/libstdc++.so.6

• Assignee: Unassigned
• Reporter: Gary Bernstein
• Created: 29/Dec/07 02:50
• Updated: 30/Oct/09 06:47
• Resolved: 30/Oct/09 06:47

Description

Valgrind complains about a "Conditional jump or move depends on uninitialised value(s)" in xercesc_2_7::XMLUTF8Transcoder::transcodeFrom

From the valgring log:

==11947== Conditional jump or move depends on uninitialised value(s)
==11947== at 0x42AB86A: xercesc_2_7::XMLUTF8Transcoder::transcodeFrom(unsigned char const*, unsigned, unsigned short*, unsigned, unsigned&, unsigned char*) (in /usr/local/lib/libxerces-c.so.27.0)
==11947== by 0x42950AF: xercesc_2_7::XMLReader::xcodeMoreChars(unsigned short*, unsigned char*, unsigned) (in /usr/local/lib/libxerces-c.so.27.0)
==11947== by 0x42937BC: xercesc_2_7::XMLReader::refreshCharBuffer() (in /usr/local/lib/libxerces-c.so.27.0)
==11947== by 0x4208C07: xercesc_2_7::ReaderMgr::peekNextChar() (in /usr/local/lib/libxerces-c.so.27.0)
==11947== by 0x42999A3: xercesc_2_7::XMLScanner::scanProlog() (in /usr/local/lib/libxerces-c.so.27.0)
==11947== by 0x42986C7: xercesc_2_7::XMLScanner::scanFirst(xercesc_2_7::InputSource const&, xercesc_2_7::XMLPScanToken&) (in /usr/local/lib/libxerces-c.so.27.0)
==11947== by 0x42985AC: xercesc_2_7::XMLScanner::scanFirst(unsigned short const*, xercesc_2_7::XMLPScanToken&) (in /usr/local/lib/libxerces-c.so.27.0)
==11947== by 0x4298625: xercesc_2_7::XMLScanner::scanFirst(char const*, xercesc_2_7::XMLPScanToken&) (in /usr/local/lib/libxerces-c.so.27.0)
==11947== by 0x421F92D: xercesc_2_7::SAXParser::parseFirst(char const*, xercesc_2_7::XMLPScanToken&) (in /usr/local/lib/libxerces-c.so.27.0)
==11947== by 0x80553F7: AppManager::loadRecordingServers() (AppManager.cpp:477)
==11947== by 0x805419C: AppManager::start(common::SocketConnection*, common::SocketListener*, common::SocketListener*) (AppManager.cpp:235)
==11947== by 0x8050346: main (Main.cpp:443)