You are viewing a plain text version of this content. The canonical link for it is here.
Posted to c-dev@xerces.apache.org by "Scott Cantor (Jira)" <xe...@xml.apache.org> on 2019/12/09 17:43:00 UTC
[jira] [Commented] (XERCESC-2175) Source and destination overlap in
memcpy
[ https://issues.apache.org/jira/browse/XERCESC-2175?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16991802#comment-16991802 ]
Scott Cantor commented on XERCESC-2175:
---------------------------------------
A test case would be the bare minimum to do much with this, and even then it would take a fair bit of digging, but I would at least start there.
> Source and destination overlap in memcpy
> ----------------------------------------
>
> Key: XERCESC-2175
> URL: https://issues.apache.org/jira/browse/XERCESC-2175
> Project: Xerces-C++
> Issue Type: Bug
> Components: Validating Parser (XML Schema)
> Affects Versions: 3.2.2
> Reporter: João M. S. Silva
> Priority: Major
>
> I get this Valgrind error:
> ==5331== Source and destination overlap in memcpy(0x38f870c0, 0x38f870c2, 70)
> ==5331== at 0x442F0C8: memcpy@@GLIBC_2.14 (vg_replace_strmem.c:1033)
> ==5331== by 0x4999F77: xercesc_3_1::XMLString::collapseWS(unsigned short*, xercesc_3_1::MemoryManager*) (in /usr/lib64/libxerces-c-3.1.so)
> ==5331== by 0x4AA78A4: xercesc_3_1::TraverseSchema::getElementAttValue(xercesc_3_1::DOMElement const*, unsigned short const*, xercesc_3_1::DatatypeValidator::ValidatorType) (in /usr/lib64/libxerces-c-3.1.so)
> ==5331== by 0x4ABCC76: xercesc_3_1::TraverseSchema::traverseElementDecl(xercesc_3_1::DOMElement const*, bool) (in /usr/lib64/libxerces-c-3.1.so)
> ==5331== by 0x4AB819E: xercesc_3_1::TraverseSchema::traverseChoiceSequence(xercesc_3_1::DOMElement const*, int, bool&) (in /usr/lib64/libxerces-c-3.1.so)
> ==5331== by 0x4AB8C55: xercesc_3_1::TraverseSchema::processComplexContent(xercesc_3_1::DOMElement const*, unsigned short const*, xercesc_3_1::DOMElement const*, xercesc_3_1::ComplexTypeInfo*, unsigned short const*, bool, bool) (in /usr/lib64/libxerces-c-3.1.so)
> ==5331== by 0x4AB9F39: xercesc_3_1::TraverseSchema::traverseComplexTypeDecl(xercesc_3_1::DOMElement const*, bool, unsigned short const*) (in /usr/lib64/libxerces-c-3.1.so)
> ==5331== by 0x4AC02C1: xercesc_3_1::TraverseSchema::processChildren(xercesc_3_1::DOMElement const*) (in /usr/lib64/libxerces-c-3.1.so)
> ==5331== by 0x4AC0F60: xercesc_3_1::TraverseSchema::traverseInclude(xercesc_3_1::DOMElement const*) (in /usr/lib64/libxerces-c-3.1.so)
> ==5331== by 0x4ABFD6B: xercesc_3_1::TraverseSchema::processChildren(xercesc_3_1::DOMElement const*) (in /usr/lib64/libxerces-c-3.1.so)
> ==5331== by 0x4AC0A55: xercesc_3_1::TraverseSchema::doTraverseSchema(xercesc_3_1::DOMElement const*) (in /usr/lib64/libxerces-c-3.1.so)
> ==5331== by 0x4AC3FB1: xercesc_3_1::TraverseSchema::TraverseSchema(xercesc_3_1::DOMElement*, xercesc_3_1::XMLStringPool*, xercesc_3_1::SchemaGrammar*, xercesc_3_1::GrammarResolver*, xercesc_3_1::RefHash2KeysTableOf<xercesc_3_1::SchemaInfo, xercesc_3_1::StringHasher>*, xercesc_3_1::RefHash2KeysTableOf<xercesc_3_1::SchemaInfo, xercesc_3_1::StringHasher>*, xercesc_3_1::XMLScanner*, unsigned short const*, xercesc_3_1::XMLEntityHandler*, xercesc_3_1::XMLErrorReporter*, xercesc_3_1::MemoryManager*, bool) (in /usr/lib64/libxerces-c-3.1.so)
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: c-dev-unsubscribe@xerces.apache.org
For additional commands, e-mail: c-dev-help@xerces.apache.org