[XERCESC-1618] seg fault/null pointer when invoking 'XMLReaderFactory::createXMLReader();'

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Invalid
• Affects Version/s: 2.7.0
• Component/s: SAX/SAX2
• Environment: 1) windows XP SP2, build with Visual Studio 8; 2) fedora core 4, run with both g++ 4.0.0 and 3.4.3
• Assignee: Unassigned
• Reporter: JohnV
• Created: 14/Jul/06 17:47
• Updated: 14/Jul/06 18:56
• Resolved: 14/Jul/06 18:56

Description

void* XMemory::operator new(size_t size, MemoryManager* manager)
{
//** with assertions enabled, the following fails...
assert(manager != 0);

size_t headerSize = XMLPlatformUtils::alignPointerForNewBlockAllocation(sizeof(MemoryManager*));

/** with assertions disabled, the next line of code fails...manager pointer is null
void* const block = manager->allocate(headerSize + size);
(MemoryManager*)block = manager;

return (char*)block + headerSize;
}

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On fedora core 4, my program gets a segmentation fault when I link to the library from distribution xerces-c_2_7_0-redhat_AS4-gcc_343.