[Webkit-unassigned] [Bug 46672] Assertion failure in Node::document when running plugins/document-open.html in WebKit2 on Windows

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Oct 25 13:08:54 PDT 2010


https://bugs.webkit.org/show_bug.cgi?id=46672





--- Comment #6 from Adam Roben (aroben) <aroben at apple.com>  2010-10-25 13:08:55 PST ---
Here's the backtrace when m_document becomes null:


     msvcr80.dll!memcpy(unsigned char * dst=0x020e6eb0, unsigned char * src=0x0205e700, unsigned long count=84)  Line 188    Asm
     JavaScriptCore.dll!WTF::VectorMover<1,JSC::Instruction>::move(const JSC::Instruction * src=0x0205e700, const JSC::Instruction * srcEnd=0x0205e754, JSC::Instruction * dst=0x020e6eb0)  Line 158 + 0x14 bytes    C++
     JavaScriptCore.dll!WTF::VectorTypeOperations<JSC::Instruction>::move(const JSC::Instruction * src=0x0205e700, const JSC::Instruction * srcEnd=0x0205e754, JSC::Instruction * dst=0x020e6eb0)  Line 255 + 0x11 bytes    C++
     JavaScriptCore.dll!WTF::Vector<JSC::Instruction,0>::reserveCapacity(unsigned int newCapacity=27)  Line 873 + 0x16 bytes    C++
     JavaScriptCore.dll!WTF::Vector<JSC::Instruction,0>::expandCapacity(unsigned int newMinCapacity=22)  Line 789    C++
     JavaScriptCore.dll!WTF::Vector<JSC::Instruction,0>::expandCapacity<enum JSC::OpcodeID const >(unsigned int newMinCapacity=22, const JSC::OpcodeID * ptr=0x0012f360)  Line 827    C++
     JavaScriptCore.dll!WTF::Vector<JSC::Instruction,0>::append<enum JSC::OpcodeID>(const JSC::OpcodeID & val=op_call)  Line 967 + 0x18 bytes    C++
     JavaScriptCore.dll!JSC::BytecodeGenerator::emitOpcode(JSC::OpcodeID opcodeID=op_call)  Line 688    C++
     JavaScriptCore.dll!JSC::BytecodeGenerator::emitCall(JSC::OpcodeID opcodeID=op_call, JSC::RegisterID * dst=0x044e6700, JSC::RegisterID * func=0x044e6700, JSC::CallArguments & callArguments={...}, unsigned int divot=49, unsigned int startOffset=38, unsigned int endOffset=2)  Line 1661    C++
     JavaScriptCore.dll!JSC::BytecodeGenerator::emitCall(JSC::RegisterID * dst=0x044e6700, JSC::RegisterID * func=0x044e6700, JSC::CallArguments & callArguments={...}, unsigned int divot=49, unsigned int startOffset=38, unsigned int endOffset=2)  Line 1593    C++
     JavaScriptCore.dll!JSC::FunctionCallDotNode::emitBytecode(JSC::BytecodeGenerator & generator={...}, JSC::RegisterID * dst=0x044e6700)  Line 430 + 0x55 bytes    C++
     JavaScriptCore.dll!JSC::BytecodeGenerator::emitNode(JSC::RegisterID * dst=0x044e6700, JSC::Node * n=0x044e4490)  Line 217 + 0x17 bytes    C++
     JavaScriptCore.dll!JSC::ExprStatementNode::emitBytecode(JSC::BytecodeGenerator & generator={...}, JSC::RegisterID * dst=0x044e6700)  Line 1415    C++
     JavaScriptCore.dll!JSC::BytecodeGenerator::emitNode(JSC::RegisterID * dst=0x044e6700, JSC::Node * n=0x044e44b8)  Line 217 + 0x17 bytes    C++
     JavaScriptCore.dll!JSC::LabelNode::emitBytecode(JSC::BytecodeGenerator & generator={...}, JSC::RegisterID * dst=0x044e6700)  Line 1901 + 0x13 bytes    C++
     JavaScriptCore.dll!JSC::BytecodeGenerator::emitNode(JSC::RegisterID * dst=0x044e6700, JSC::Node * n=0x044e44c8)  Line 217 + 0x17 bytes    C++
     JavaScriptCore.dll!JSC::SourceElements::emitBytecode(JSC::BytecodeGenerator & generator={...}, JSC::RegisterID * dst=0x044e6700)  Line 1370 + 0x1e bytes    C++
     JavaScriptCore.dll!JSC::ScopeNode::emitStatementsBytecode(JSC::BytecodeGenerator & generator={...}, JSC::RegisterID * dst=0x044e6700)  Line 1999    C++
     JavaScriptCore.dll!JSC::ProgramNode::emitBytecode(JSC::BytecodeGenerator & generator={...}, JSC::RegisterID * __formal=0x00000000)  Line 2011    C++
     JavaScriptCore.dll!JSC::BytecodeGenerator::generate()  Line 144 + 0x1b bytes    C++
     JavaScriptCore.dll!JSC::ProgramExecutable::compileInternal(JSC::ExecState * exec=0x020aae40, JSC::ScopeChainNode * scopeChainNode=0x020c8ea0)  Line 162    C++
     JavaScriptCore.dll!JSC::ProgramExecutable::compile(JSC::ExecState * exec=0x020aae40, JSC::ScopeChainNode * scopeChainNode=0x020c8ea0)  Line 250 + 0x10 bytes    C++
     JavaScriptCore.dll!JSC::evaluate(JSC::ExecState * exec=0x020aae40, JSC::ScopeChain & scopeChain={...}, const JSC::SourceCode & source={...}, JSC::JSValue thisValue={...})  Line 56 + 0x1c bytes    C++
     WebKit.dll!WebKit::NPRuntimeObjectMap::evaluate(NPObject * npObject=0x02072680, const WTF::String & scriptString={...}, _NPVariant * result=0x0012f85c)  Line 199 + 0x4f bytes    C++
>	WebKit.dll!WebKit::PluginView::evaluate(NPObject * npObject=0x02072680, const WTF::String & scriptString={...}, _NPVariant * result=0x0012f85c, bool allowPopups=false)  Line 797 + 0x1a bytes	C++
     WebKit.dll!WebKit::NetscapePlugin::evaluate(NPObject * npObject=0x02072680, const WTF::String & scriptString={...}, _NPVariant * result=0x0012f85c)  Line 168 + 0x2c bytes    C++
     WebKit.dll!WebKit::NPN_Evaluate(_NPP * npp=0x0212a3cc, NPObject * npObject=0x02072680, _NPString * script=0x0012f84c, _NPVariant * result=0x0012f85c)  Line 600 + 0x1b bytes    C++
     npTestNetscapePlugin.dll!notifyTestCompletion(_NPP * npp=0x0212a3cc, NPObject * object=0x02072680)  Line 723 + 0x20 bytes    C++
     npTestNetscapePlugin.dll!testDocumentOpen(_NPP * npp=0x0212a3cc)  Line 766 + 0x10 bytes    C++
     npTestNetscapePlugin.dll!DocumentOpenInDestroyStream::NPP_DestroyStream(_NPStream * __formal=0x0205dc80, _NPStream * __formal=0x0205dc80)  Line 46 + 0xc bytes    C++
     npTestNetscapePlugin.dll!NPP_DestroyStream(_NPP * instance=0x0212a3cc, _NPStream * stream=0x0205dc80, short reason=0)  Line 377 + 0x1e bytes    C++
     WebKit.dll!WebKit::NetscapePlugin::NPP_DestroyStream(_NPStream * stream=0x0205dc80, short reason=0)  Line 254 + 0x2f bytes    C++
     WebKit.dll!WebKit::NetscapePluginStream::stop(short reason=0)  Line 330    C++
     WebKit.dll!WebKit::NetscapePluginStream::didFinishLoading()  Line 83    C++
     WebKit.dll!WebKit::NetscapePlugin::streamDidFinishLoading(unsigned __int64 streamID=1)  Line 481    C++
     WebKit.dll!WebKit::PluginView::Stream::didFinishLoading(WebCore::NetscapePlugInStreamLoader * __formal=0x020c69d0)  Line 222 + 0x2b bytes    C++
     WebKit.dll!WebCore::NetscapePlugInStreamLoader::didFinishLoading(double finishTime=0.00000000000000000)  Line 103 + 0x21 bytes    C++
     WebKit.dll!WebCore::ResourceLoader::didFinishLoading(WebCore::ResourceHandle * __formal=0x020adda8, double finishTime=0.00000000000000000)  Line 421 + 0x18 bytes    C++
     WebKit.dll!WebCore::didFinishLoading(_CFURLConnection * conn=0x020e1c40, const void * clientInfo=0x020adda8)  Line 244 + 0x26 bytes    C++

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