RESOLVED FIXED 149294
Null dereference loading Blink layout test editing/execCommand/insert-html-to-document-element-crash.html 
https://bugs.webkit.org/show_bug.cgi?id=149294
Summary Null dereference loading Blink layout test editing/execCommand/insert-html-to...
Jon Honeycutt
Reported 2015-09-17 14:40:57 PDT
Created attachment 261430 [details] crashing test Null dereference loading Blink layout test editing/execCommand/insert-html-to-document-element-crash.html. Stack trace: Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000014 Exception Note: EXC_CORPSE_NOTIFY VM Regions Near 0x14: --> __TEXT 000000010ced8000-000000010ceda000 [ 8K] r-x/rwx SM=COW /Users/USER/*/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.Development.xpc/Contents/MacOS/com.apple.WebKit.WebContent.Development Application Specific Information: CRASHING TEST: temp-tests/editing/execCommand/insert-html-to-document-element-crash.html Global Trace Buffer (reverse chronological seconds): 55.871846 CFNetwork 0x00007fff88d43b97 Explicitly setting CF cookie storage singleton 55.872230 CFNetwork 0x00007fff88d8f211 Explicitly setting cookie storage singleton Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.WebCore 0x000000011507acfe WebCore::areIdenticalElements(WebCore::Node const*, WebCore::Node const*) + 14 (Node.h:638) 1 com.apple.WebCore 0x000000011588720c WebCore::ReplaceSelectionCommand::removeRedundantStylesAndKeepStyleSpanInline(WebCore::ReplaceSelectionCommand::InsertedNodes&) + 2092 (ReplaceSelectionCommand.cpp:533) 2 com.apple.WebCore 0x000000011588d719 WebCore::ReplaceSelectionCommand::doApply() + 13385 (ReplaceSelectionCommand.cpp:1164) 3 com.apple.WebCore 0x0000000114cd8216 WebCore::CompositeEditCommand::apply() + 102 (ScopedEventQueue.h:71) 4 com.apple.WebCore 0x0000000114f0e714 WebCore::executeInsertFragment(WebCore::Frame&, WTF::PassRefPtr<WebCore::DocumentFragment>) + 84 (StdLibExtras.h:366) 5 com.apple.WebCore 0x0000000114f0bd83 WebCore::executeInsertHTML(WebCore::Frame&, WebCore::Event*, WebCore::EditorCommandSource, WTF::String const&) + 99 (StdLibExtras.h:366) 6 com.apple.WebCore 0x0000000114f0a876 WebCore::Editor::Command::execute(WTF::String const&, WebCore::Event*) const + 182 (EditorCommand.cpp:1704) 7 com.apple.WebCore 0x0000000114e43c36 WebCore::Document::execCommand(WTF::String const&, bool, WTF::String const&) + 214 (Document.cpp:4666) 8 com.apple.WebCore 0x000000011525a074 WebCore::jsDocumentPrototypeFunctionExecCommand(JSC::ExecState*) + 420 (JSCJSValue.h:499) 9 ??? 0x000036b0fa001028 0 + 60133736452136 10 com.apple.JavaScriptCore 0x00000001145b676f llint_entry + 22696 11 com.apple.JavaScriptCore 0x00000001145b0ce4 vmEntryToJavaScript + 299 12 com.apple.JavaScriptCore 0x00000001144712d9 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 169 (JITCode.cpp:82) 13 com.apple.JavaScriptCore 0x0000000114457d12 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 450 (Interpreter.cpp:1008) 14 com.apple.JavaScriptCore 0x00000001141238b7 JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) + 71 (MarkedBlock.h:241) 15 com.apple.WebCore 0x00000001152defa4 WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) + 996 (JSMainThreadExecState.h:56) 16 com.apple.WebCore 0x0000000114f454db WebCore::EventTarget::fireEventListeners(WebCore::Event*, WebCore::EventTargetData*, WTF::Vector<WebCore::RegisteredEventListener, 1ul, WTF::CrashOnOverflow, 16ul>&) + 635 (InspectorInstrumentation.h:285) 17 com.apple.WebCore 0x0000000114f451a0 WebCore::EventTarget::fireEventListeners(WebCore::Event*) + 224 (EventTarget.cpp:208) 18 com.apple.WebCore 0x0000000114ed1bf4 WebCore::DOMWindow::dispatchEvent(WTF::PassRefPtr<WebCore::Event>, WTF::PassRefPtr<WebCore::EventTarget>) + 260 (DOMWindow.cpp:1900) 19 com.apple.WebCore 0x0000000114ed730b WebCore::DOMWindow::dispatchLoadEvent() + 347 (StdLibExtras.h:366) 20 com.apple.WebCore 0x0000000114e3a294 WebCore::Document::implicitClose() + 324 (Document.cpp:4077) 21 com.apple.WebCore 0x0000000114fc7003 WebCore::FrameLoader::checkCompleted() + 275 (FrameLoader.cpp:839) 22 com.apple.WebCore 0x0000000114fc595b WebCore::FrameLoader::finishedParsing() + 123 (FrameLoader.cpp:760) 23 com.apple.WebCore 0x0000000114e45281 WebCore::Document::finishedParsing() + 417 (Frame.h:377) 24 com.apple.WebCore 0x0000000115071e05 WebCore::HTMLDocumentParser::prepareToStopParsing() + 165 (RefCounted.h:99) 25 com.apple.WebCore 0x0000000114e7569a WebCore::DocumentWriter::end() + 58 (StdLibExtras.h:366) 26 com.apple.WebCore 0x0000000114e5d9ec WebCore::DocumentLoader::finishedLoading(double) + 268 (ResourceErrorBase.h:42) 27 com.apple.WebCore 0x0000000114c8e179 WebCore::CachedResource::checkNotify() + 153 (CachedResourceClientWalker.h:51) 28 com.apple.WebCore 0x0000000114c8a433 WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*) + 227 (CachedRawResource.cpp:104) 29 com.apple.WebCore 0x0000000115a05501 WebCore::SubresourceLoader::didFinishLoading(double) + 1153 (ResourceLoader.h:154) 30 com.apple.WebKit 0x000000011354b98d WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::MessageDecoder&) + 561 (HandleMessage.h:16) 31 com.apple.WebKit 0x00000001133251f1 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >) + 127 (memory:2636) 32 com.apple.WebKit 0x0000000113327b4a IPC::Connection::dispatchOneMessage() + 126 (memory:2656) 33 com.apple.JavaScriptCore 0x0000000114769985 WTF::RunLoop::performWork() + 437 (functional:1742) 34 com.apple.JavaScriptCore 0x0000000114769d32 WTF::RunLoop::performWork(void*) + 34 (RunLoopCF.cpp:39) 35 com.apple.CoreFoundation 0x00007fff949e2c01 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 36 com.apple.CoreFoundation 0x00007fff949d4b1c __CFRunLoopDoSources0 + 556 37 com.apple.CoreFoundation 0x00007fff949d403f __CFRunLoopRun + 927 38 com.apple.CoreFoundation 0x00007fff949d3a38 CFRunLoopRunSpecific + 296 39 com.apple.HIToolbox 0x00007fff88e673bd RunCurrentEventLoopInMode + 235 40 com.apple.HIToolbox 0x00007fff88e67153 ReceiveNextEventCommon + 432 41 com.apple.HIToolbox 0x00007fff88e66f93 _BlockUntilNextEventMatchingListInModeWithFilter + 71 42 com.apple.AppKit 0x00007fff870b81e7 _DPSNextEvent + 1076 43 com.apple.AppKit 0x00007fff8748490d -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454 44 com.apple.AppKit 0x00007fff870ae0b8 -[NSApplication run] + 682 45 com.apple.AppKit 0x00007fff87030396 NSApplicationMain + 1176 46 libxpc.dylib 0x00007fff8c70ff70 _xpc_objc_main + 793 47 libxpc.dylib 0x00007fff8c7116bf xpc_main + 494 48 com.apple.WebKit.WebContent.Development 0x000000010ced9424 main + 409 (XPCServiceMain.Development.mm:187) 49 libdyld.dylib 0x00007fff93aa15ad start + 1
Attachments
crashing test (626 bytes, text/html)
2015-09-17 14:40 PDT, Jon Honeycutt 		no flags
Details
Patch (4.81 KB, patch)
2015-10-20 15:31 PDT, Jiewen Tan 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2015-09-17 14:41:14 PDT
<rdar://problem/22746657>
Jiewen Tan
Comment 2 2015-10-20 15:31:17 PDT
Created attachment 263622 [details] Patch
WebKit Commit Bot
Comment 3 2015-10-26 15:04:41 PDT
Comment on attachment 263622 [details] Patch Clearing flags on attachment: 263622 Committed r191604: <http://trac.webkit.org/changeset/191604>
WebKit Commit Bot
Comment 4 2015-10-26 15:04:45 PDT
All reviewed patches have been landed. Closing bug.
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