[Webkit-unassigned] [Bug 14027] Infinite loop in focus code when hitting tab in an XML document

Thu Jun 7 10:59:50 PDT 2007

http://bugs.webkit.org/show_bug.cgi?id=14027


------- Comment #4 from eric at webkit.org  2007-06-07 10:59 PDT -------
The backtrace for the crash:

#0      0x0026426c in -[WebView becomeFirstResponder] at WebView.mm:2251
#1      0x932cc483 in -[NSWindow makeFirstResponder:]
#2      0x93380fef in -[NSWindow selectKeyViewFollowingView:]
#3      0x002951d8 in WebChromeClient::takeFocus at WebChromeClient.mm:119
#4      0x013efedb in WebCore::Chrome::takeFocus at Chrome.cpp:85
#5      0x0143227f in WebCore::FocusController::advanceFocus at
FocusController.cpp:155
#6      0x0143253c in WebCore::FocusController::advanceFocus at
FocusController.cpp:112
#7      0x002477d2 in -[WebHTMLView becomeFirstResponder] at
WebHTMLView.mm:3142
#8      0x932cc483 in -[NSWindow makeFirstResponder:]
#9      0x9344fcd3 in -[NSClipView becomeFirstResponder]
#10     0x932cc483 in -[NSWindow makeFirstResponder:]
#11     0x9344fc34 in -[NSScrollView becomeFirstResponder]
#12     0x932cc483 in -[NSWindow makeFirstResponder:]
#13     0x0025a8f3 in -[WebFrameView becomeFirstResponder] at
WebFrameView.mm:391
#14     0x932cc483 in -[NSWindow makeFirstResponder:]
#15     0x002643a8 in -[WebView becomeFirstResponder] at WebView.mm:2275
#16     0x932cc483 in -[NSWindow makeFirstResponder:]
#17     0x93380fef in -[NSWindow selectKeyViewFollowingView:]
#18     0x002951d8 in WebChromeClient::takeFocus at WebChromeClient.mm:119
#19     0x013efedb in WebCore::Chrome::takeFocus at Chrome.cpp:85
#20     0x0143227f in WebCore::FocusController::advanceFocus at
FocusController.cpp:155
#21     0x0143253c in WebCore::FocusController::advanceFocus at
FocusController.cpp:112
#22     0x014083e1 in WebCore::EventHandler::defaultTabEventHandler at
EventHandler.cpp:1681
#23     0x01409463 in WebCore::EventHandler::defaultKeyboardEventHandler at
EventHandler.cpp:1419
#24     0x01239c99 in WebCore::EventTargetNode::defaultEventHandler at
EventTargetNode.cpp:583
#25     0x01237fc4 in WebCore::EventTargetNode::dispatchGenericEvent at
EventTargetNode.cpp:267
#26     0x01239909 in WebCore::EventTargetNode::dispatchEvent at
EventTargetNode.cpp:308
#27     0x01239985 in WebCore::EventTargetNode::dispatchEvent at
EventTargetNode.cpp:292
#28     0x01409350 in WebCore::EventHandler::defaultKeyboardEventHandler at
EventHandler.cpp:1409
#29     0x01239c99 in WebCore::EventTargetNode::defaultEventHandler at
EventTargetNode.cpp:583
#30     0x01237fc4 in WebCore::EventTargetNode::dispatchGenericEvent at
EventTargetNode.cpp:267
#31     0x01239909 in WebCore::EventTargetNode::dispatchEvent at
EventTargetNode.cpp:308
#32     0x01239985 in WebCore::EventTargetNode::dispatchEvent at
EventTargetNode.cpp:292
#33     0x01238f3a in WebCore::EventTargetNode::dispatchKeyEvent at
EventTargetNode.cpp:370
#34     0x014081a4 in WebCore::EventHandler::keyEvent at EventHandler.cpp:1375
#35     0x01405265 in WebCore::EventHandler::keyEvent at EventHandlerMac.mm:138
#36     0x0023f128 in -[WebHTMLView keyDown:] at WebHTMLView.mm:3419
#37     0x00004dad in -[EventSendingController keyDown:withModifiers:] at
EventSendingController.m:367
#38     0x90a5ac56 in objc_msgSendv
#39     0x927f53b2 in -[NSInvocation invoke]
#40     0x003e1486 in KJS::Bindings::ObjcInstance::invokeMethod at
objc_instance.mm:187
#41     0x003dcfd5 in KJS::RuntimeMethod::callAsFunction at
runtime_method.cpp:89
#42     0x0041e24e in KJS::JSObject::call at object.cpp:98
#43     0x0044773d in KJS::FunctionCallDotNode::evaluate at nodes.cpp:790
#44     0x00444e93 in KJS::ExprStatementNode::execute at nodes.cpp:1723
#45     0x00444d9d in KJS::IfNode::execute at nodes.cpp:1742
#46     0x00442176 in KJS::SourceElementsNode::execute at nodes.cpp:2528
#47     0x0041adb4 in KJS::BlockNode::execute at nodes.cpp:1699
#48     0x0043f301 in KJS::Interpreter::evaluate at interpreter.cpp:365
#49     0x0127901f in WebCore::KJSProxy::evaluate at kjs_proxy.cpp:78
#50     0x013df4bb in WebCore::FrameLoader::executeScript at
FrameLoader.cpp:712
#51     0x0102cd6f in WebCore::XMLTokenizer::endElementNs at
XMLTokenizer.cpp:753
#52     0x0102ce07 in endElementNsHandler at XMLTokenizer.cpp:985
#53     0x91bff515 in xmlParseNotationDecl
#54     0x91be4d86 in xmlParseChunk
#55     0x0102be90 in WebCore::XMLTokenizer::write at XMLTokenizer.cpp:566
#56     0x013d4075 in WebCore::FrameLoader::write at FrameLoader.cpp:927
#57     0x013d41a7 in WebCore::FrameLoader::addData at FrameLoader.cpp:1583
#58     0x01102a01 in -[WebCoreFrameBridge addData:] at
WebCoreFrameBridge.mm:288
#59     0x01105b9c in -[WebCoreFrameBridge receivedData:textEncodingName:] at
WebCoreFrameBridge.mm:1427
#60     0x00233245 in -[WebHTMLRepresentation receivedData:withDataSource:] at
WebHTMLRepresentation.mm:173
#61     0x0022e73b in -[WebDataSource(WebInternal) _receivedData:] at
WebDataSource.mm:176
#62     0x002917c5 in WebFrameLoaderClient::committedLoad at
WebFrameLoaderClient.mm:658
#63     0x013d0f6b in WebCore::FrameLoader::committedLoad at
FrameLoader.cpp:3027
#64     0x013e1acd in WebCore::DocumentLoader::commitLoad at
DocumentLoader.cpp:347
#65     0x013e1b26 in WebCore::DocumentLoader::receivedData at
DocumentLoader.cpp:359
#66     0x013d0465 in WebCore::FrameLoader::receivedData at
FrameLoader.cpp:2039
#67     0x013e33f0 in WebCore::MainResourceLoader::addData at
MainResourceLoader.cpp:133
#68     0x013e5599 in WebCore::ResourceLoader::didReceiveData at
ResourceLoader.cpp:208
#69     0x013e3725 in WebCore::MainResourceLoader::didReceiveData at
MainResourceLoader.cpp:289
#70     0x013e51a0 in WebCore::ResourceLoader::didReceiveData at
ResourceLoader.cpp:330
#71     0x013c0100 in -[WebCoreResourceHandleAsDelegate
connection:didReceiveData:lengthReceived:] at ResourceHandleMac.mm:351
#72     0x92854afa in -[NSURLConnection(NSURLConnectionInternal)
_sendDidReceiveDataCallback]
#73     0x92852ddb in -[NSURLConnection(NSURLConnectionInternal)
_sendCallbacks]
#74     0x92852ab5 in _sendCallbacks
#75     0x9082bf92 in CFRunLoopRunSpecific
#76     0x9082bace in CFRunLoopRunInMode
#77     0x92823d3a in -[NSRunLoop runMode:beforeDate:]
#78     0x0000b09d in runTest at DumpRenderTree.m:1458
#79     0x00007008 in dumpRenderTree at DumpRenderTree.m:531
#80     0x000071e6 in main at DumpRenderTree.m:572


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