151590 2015-11-24 10:18:44 -0800 Should never be reached failure in WebCore::RenderElement::clearLayoutRootIfNeeded 2015-12-27 14:57:20 -0800 1 1 1 Unclassified WebKit Layout and Rendering WebKit Local Build Unspecified Unspecified RESOLVED FIXED P2 Normal --- 116980 1 rhodovan.u-szeged zalan simon.fraser zalan oldest_to_newest 1144356 0 266139 rhodovan.u-szeged 2015-11-24 10:18:44 -0800 Created attachment 266139 Test Load the attached test with debug MiniBrowser: <script> window.onload = function() { document.designMode = 'on'; document.execCommand('selectAll'); document.execCommand('indent'); } </script> <style> * { overflow-x: auto; -webkit-appearance: checkbox; } </style> <nav>&rpar OS: Ubuntu 15.10 x86_64 Checked build: debug EFL Checked version: 79922a5 Backtrace: SHOULD NEVER BE REACHED ../../Source/WebCore/rendering/RenderElement.cpp(1097) : void WebCore::RenderElement::clearLayoutRootIfNeeded() const 1 0x7fb5d543f82c WTFCrash 2 0x7fb5d424cdb3 WebCore::RenderElement::clearLayoutRootIfNeeded() const 3 0x7fb5d4244fc2 WebCore::RenderElement::willBeDestroyed() 4 0x7fb5d421f5f9 WebCore::RenderBoxModelObject::willBeDestroyed() 5 0x7fb5d41c0b0d WebCore::RenderBlockFlow::willBeDestroyed() 6 0x7fb5d433c4ac WebCore::RenderObject::destroy() 7 0x7fb5d433c46f WebCore::RenderObject::destroyAndCleanupAnonymousWrappers() 8 0x7fb5d4477817 9 0x7fb5d4478c98 WebCore::Style::detachRenderTree(WebCore::Element&) 10 0x7fb5d399accf 11 0x7fb5d399cfe4 WebCore::ContainerNode::removeBetween(WebCore::Node*, WebCore::Node*, WebCore::Node&) 12 0x7fb5d399ce19 WebCore::ContainerNode::removeChild(WebCore::Node&, int&) 13 0x7fb5d3a7d390 WebCore::Node::remove(int&) 14 0x7fb5d4d179bb WebCore::RemoveNodeCommand::doApply() 15 0x7fb5d4cee1fe WebCore::CompositeEditCommand::applyCommandToComposite(WTF::PassRefPtr<WebCore::EditCommand>) 16 0x7fb5d4cef698 WebCore::CompositeEditCommand::removeNode(WTF::PassRefPtr<WebCore::Node>, WebCore::ShouldAssumeContentIsAlwaysEditable) 17 0x7fb5d4cefe6d WebCore::CompositeEditCommand::prune(WTF::PassRefPtr<WebCore::Node>) 18 0x7fb5d4cef8d5 WebCore::CompositeEditCommand::removeNodeAndPruneAncestors(WTF::PassRefPtr<WebCore::Node>) 19 0x7fb5d4cf5370 WebCore::CompositeEditCommand::cleanupAfterDeletion(WebCore::VisiblePosition) 20 0x7fb5d4cf58ea WebCore::CompositeEditCommand::moveParagraphWithClones(WebCore::VisiblePosition const&, WebCore::VisiblePosition const&, WebCore::Element*, WebCore::Node*) 21 0x7fb5d3b3f4e6 WebCore::IndentOutdentCommand::indentIntoBlockquote(WebCore::Position const&, WebCore::Position const&, WTF::RefPtr<WebCore::Element>&) 22 0x7fb5d3b40d88 WebCore::IndentOutdentCommand::formatRange(WebCore::Position const&, WebCore::Position const&, WebCore::Position const&, WTF::RefPtr<WebCore::Element>&) 23 0x7fb5d4cd8b2f WebCore::ApplyBlockElementCommand::formatSelection(WebCore::VisiblePosition const&, WebCore::VisiblePosition const&) 24 0x7fb5d3b40d09 WebCore::IndentOutdentCommand::formatSelection(WebCore::VisiblePosition const&, WebCore::VisiblePosition const&) 25 0x7fb5d4cd7d9e WebCore::ApplyBlockElementCommand::doApply() 26 0x7fb5d4cedf28 WebCore::CompositeEditCommand::apply() 27 0x7fb5d4cedcef WebCore::applyCommand(WTF::PassRefPtr<WebCore::CompositeEditCommand>) 28 0x7fb5d3b26da0 29 0x7fb5d3b2b048 WebCore::Editor::Command::execute(WTF::String const&, WebCore::Event*) const 30 0x7fb5d39cc88d WebCore::Document::execCommand(WTF::String const&, bool, WTF::String const&) 31 0x7fb5d512e583 WebCore::jsDocumentPrototypeFunctionExecCommand(JSC::ExecState*) Aborted (core dumped) Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007fb5d543f831 in WTFCrash () at ../../Source/WTF/wtf/Assertions.cpp:321 321 *(int *)(uintptr_t)0xbbadbeef = 0; #0 0x00007fb5d543f831 in WTFCrash () at ../../Source/WTF/wtf/Assertions.cpp:321 #1 0x00007fb5d424cdb3 in WebCore::RenderElement::clearLayoutRootIfNeeded (this=0x7fb5b4bb8450) at ../../Source/WebCore/rendering/RenderElement.cpp:1097 #2 0x00007fb5d4244fc2 in WebCore::RenderElement::willBeDestroyed (this=0x7fb5b4bb8450) at ../../Source/WebCore/rendering/RenderElement.cpp:1125 #3 0x00007fb5d421f5f9 in WebCore::RenderBoxModelObject::willBeDestroyed (this=0x7fb5b4bb8450) at ../../Source/WebCore/rendering/RenderBoxModelObject.cpp:198 #4 0x00007fb5d41c0b0d in WebCore::RenderBlockFlow::willBeDestroyed (this=0x7fb5b4bb8450) at ../../Source/WebCore/rendering/RenderBlockFlow.cpp:178 #5 0x00007fb5d433c4ac in WebCore::RenderObject::destroy (this=0x7fb5b4bb8450) at ../../Source/WebCore/rendering/RenderObject.cpp:1702 #6 0x00007fb5d433c46f in WebCore::RenderObject::destroyAndCleanupAnonymousWrappers (this=0x7fb5b4bb8450) at ../../Source/WebCore/rendering/RenderObject.cpp:1689 #7 0x00007fb5d4477817 in WebCore::Style::detachRenderTree (current=..., detachType=WebCore::Style::NormalDetach) at ../../Source/WebCore/style/StyleResolveTree.cpp:574 #8 0x00007fb5d4478c98 in WebCore::Style::detachRenderTree (element=...) at ../../Source/WebCore/style/StyleResolveTree.cpp:911 #9 0x00007fb5d399accf in WebCore::destroyRenderTreeIfNeeded (child=...) at ../../Source/WebCore/dom/ContainerNode.cpp:105 #10 0x00007fb5d399cfe4 in WebCore::ContainerNode::removeBetween (this=0x7fb5b4be48f0, previousChild=0x7fb5b4be4af8, nextChild=0x0, oldChild=...) at ../../Source/WebCore/dom/ContainerNode.cpp:576 #11 0x00007fb5d399ce19 in WebCore::ContainerNode::removeChild (this=0x7fb5b4be48f0, oldChild=..., ec=@0x7ffe727f9bc0: 0) at ../../Source/WebCore/dom/ContainerNode.cpp:551 #12 0x00007fb5d3a7d390 in WebCore::Node::remove (this=0x7fb5b4be4958, ec=@0x7ffe727f9bc0: 0) at ../../Source/WebCore/dom/Node.cpp:548 #13 0x00007fb5d4d179bb in WebCore::RemoveNodeCommand::doApply (this=0x7fb5b4bce910) at ../../Source/WebCore/editing/RemoveNodeCommand.cpp:56 #14 0x00007fb5d4cee1fe in WebCore::CompositeEditCommand::applyCommandToComposite (this=0x7fb5b4adc000, prpCommand=...) at ../../Source/WebCore/editing/CompositeEditCommand.cpp:278 #15 0x00007fb5d4cef698 in WebCore::CompositeEditCommand::removeNode (this=0x7fb5b4adc000, node=..., shouldAssumeContentIsAlwaysEditable=WebCore::DoNotAssumeContentIsAlwaysEditable) at ../../Source/WebCore/editing/CompositeEditCommand.cpp:417 #16 0x00007fb5d4cefe6d in WebCore::CompositeEditCommand::prune (this=0x7fb5b4adc000, node=...) at ../../Source/WebCore/editing/CompositeEditCommand.cpp:471 #17 0x00007fb5d4cef8d5 in WebCore::CompositeEditCommand::removeNodeAndPruneAncestors (this=0x7fb5b4adc000, node=...) at ../../Source/WebCore/editing/CompositeEditCommand.cpp:429 #18 0x00007fb5d4cf5370 in WebCore::CompositeEditCommand::cleanupAfterDeletion (this=0x7fb5b4adc000, destination=...) at ../../Source/WebCore/editing/CompositeEditCommand.cpp:1133 #19 0x00007fb5d4cf58ea in WebCore::CompositeEditCommand::moveParagraphWithClones (this=0x7fb5b4adc000, startOfParagraphToMove=..., endOfParagraphToMove=..., blockElement=0x7fb5b4be4af8, outerNode=0x7fb5b4be4958) at ../../Source/WebCore/editing/CompositeEditCommand.cpp:1190 #20 0x00007fb5d3b3f4e6 in WebCore::IndentOutdentCommand::indentIntoBlockquote (this=0x7fb5b4adc000, start=..., end=..., targetBlockquote=...) at ../../Source/WebCore/editing/IndentOutdentCommand.cpp:117 #21 0x00007fb5d3b40d88 in WebCore::IndentOutdentCommand::formatRange (this=0x7fb5b4adc000, start=..., end=..., blockquoteForNextIndent=...) at ../../Source/WebCore/editing/IndentOutdentCommand.cpp:236 #22 0x00007fb5d4cd8b2f in WebCore::ApplyBlockElementCommand::formatSelection (this=0x7fb5b4adc000, startOfSelection=..., endOfSelection=...) at ../../Source/WebCore/editing/ApplyBlockElementCommand.cpp:145 #23 0x00007fb5d3b40d09 in WebCore::IndentOutdentCommand::formatSelection (this=0x7fb5b4adc000, startOfSelection=..., endOfSelection=...) at ../../Source/WebCore/editing/IndentOutdentCommand.cpp:226 #24 0x00007fb5d4cd7d9e in WebCore::ApplyBlockElementCommand::doApply (this=0x7fb5b4adc000) at ../../Source/WebCore/editing/ApplyBlockElementCommand.cpp:90 #25 0x00007fb5d4cedf28 in WebCore::CompositeEditCommand::apply (this=0x7fb5b4adc000) at ../../Source/WebCore/editing/CompositeEditCommand.cpp:227 #26 0x00007fb5d4cedcef in WebCore::applyCommand (command=...) at ../../Source/WebCore/editing/CompositeEditCommand.cpp:186 #27 0x00007fb5d3b26da0 in WebCore::executeIndent (frame=...) at ../../Source/WebCore/editing/EditorCommand.cpp:456 #28 0x00007fb5d3b2b048 in WebCore::Editor::Command::execute (this=0x7ffe727fa950, parameter=..., triggeringEvent=0x0) at ../../Source/WebCore/editing/EditorCommand.cpp:1703 #29 0x00007fb5d39cc88d in WebCore::Document::execCommand (this=0x7fb5b481d900, commandName=..., userInterface=false, value=...) at ../../Source/WebCore/dom/Document.cpp:4657 #30 0x00007fb5d512e583 in WebCore::jsDocumentPrototypeFunctionExecCommand (state=0x7ffe727faa20) at DerivedSources/WebCore/JSDocument.cpp:5066 #31 0x00007fb56ffff0c8 in ?? () #32 0x00007ffe727faaa0 in ?? () #33 0x00007fb5c8c1c636 in llint_entry () from webkit/WebKitBuild/Debug/lib/libjavascriptcore_efl.so.1 1151351 1 267924 zalan 2015-12-25 20:42:16 -0800 Created attachment 267924 Patch 1151427 2 267924 simon.fraser 2015-12-27 14:27:49 -0800 Comment on attachment 267924 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=267924&action=review > Source/WebCore/ChangeLog:8 > + We should always set the layoutroot when a new subtree layout is requested(and convert it space before ( > LayoutTests/ChangeLog:8 > + We should always set the layoutroot when a new subtree layout is requested(and convert it ditto 1151432 3 zalan 2015-12-27 14:57:20 -0800 Committed r194426: <http://trac.webkit.org/changeset/194426> 266139 2015-11-24 10:18:44 -0800 2015-11-24 10:18:44 -0800 Test test.html text/html 246 rhodovan.u-szeged PHNjcmlwdD4Kd2luZG93Lm9ubG9hZCA9IGZ1bmN0aW9uKCkgewogICAgZG9jdW1lbnQuZGVzaWdu TW9kZSA9ICdvbic7CiAgICBkb2N1bWVudC5leGVjQ29tbWFuZCgnc2VsZWN0QWxsJyk7CiAgICBk 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