[XERCESC-1992] Access violation exception was thrown from scanFirst(..) function of SGXMLScanner, it crashes the application.

• Type: Bug
• Status: Open
• Priority: Blocker
• Resolution: Unresolved
• Affects Version/s: 2.7.0
• Component/s: Validating Parser (XML Schema)
• Labels: patch
• Environment: Operating System :- Windows -7, Windows 2008 R2 Server; Software used :- MS Visual Studio 2010-Premium edition; Hardware :- ACPI x64 based PC, 8GB RAM
• Assignee: Unassigned
• Reporter: Sahayaraj
• Created: 03/Aug/12 13:27
• Updated: 12/Mar/18 04:06

Description

The following are the code piece that cause the problem.

string systemid("c:\\projects
my.xml");
XMLPScanToken token;

std::auto_ptr<XMLGrammarPool> poolP(new XMLGrammarPoolImpl (XMLPlatformUtils::fgMemoryManager));
GrammarResolver grammarResolver(poolP.get());

SGXMLScanner scanner(0, 0, 0, 0, 0, &grammarResolver);

scanner.setDoValidation(false);
scanner.setDoNamespaces(false);
scanner.setExitOnFirstFatal(true);

LocalFileInputSource inpSource((const XMLCh *)systemid.c_str());
scanner.scanFirst(inpSource, token);

There is an access violation exception was thrown from scanFirst(..) function.

PS. I would like to submit both the sample that reproduce this issue and the fix in Xerces-C++ that resolves the issue. Please let me know to where I have to upload them. I would love to do it.