146646 2015-07-06 10:55:56 -0700 Crash: LayoutState root's container is nullptr when the layout root is detached. 2015-07-06 12:38:38 -0700 1 1 1 Unclassified WebKit Layout and Rendering 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 zalan zalan commit-queue ddkilzer esprehn+autocc glenn kondapallykalyan simon.fraser oldest_to_newest 1107141 0 zalan 2015-07-06 10:55:56 -0700 0 WebCore 0x0000000196cb5f74 WebCore::RenderObject::localToAbsolute(WebCore::FloatPoint const&, unsigned int, bool*) const + 64 (RenderObject.cpp:1587) 1 WebCore 0x0000000196b0b0d0 WebCore::LayoutState::LayoutState(WebCore::RenderObject&) + 96 (LayoutState.cpp:140) 2 WebCore 0x0000000196b0b0d0 WebCore::LayoutState::LayoutState(WebCore::RenderObject&) + 96 (LayoutState.cpp:140) 3 WebCore 0x0000000196d1a074 WebCore::RenderView::pushLayoutState(WebCore::RenderObject&) + 40 (StdLibExtras.h:337) 4 WebCore 0x00000001961b181c WebCore::FrameView::layout(bool) + 716 (FrameView.cpp:1307) 5 WebCore 0x00000001962550e8 WebCore::RenderFrameBase::layoutWithFlattening(bool, bool) + 204 (RenderFrameBase.cpp:63) 6 WebCore 0x000000019624a324 WebCore::RenderIFrame::layout() + 76 (RenderIFrame.cpp:105) 7 WebCore 0x0000000196c16828 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) + 932 (RenderBlockFlow.cpp:709) 8 WebCore 0x0000000196c1553c WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) + 556 (RenderBlockFlow.cpp:632) 9 WebCore 0x0000000196c14518 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) + 800 (RenderBlockFlow.cpp:485) 10 WebCore 0x0000000196152b98 WebCore::RenderBlock::layout() + 68 (RenderBlock.cpp:926) 11 WebCore 0x0000000196c28fcc WebCore::RenderBlockFlow::layoutLineBoxes(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&) + 948 (RenderElement.h:134) 12 WebCore 0x0000000196c145a0 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) + 936 (RenderBlockFlow.cpp:651) 13 WebCore 0x0000000196152b98 WebCore::RenderBlock::layout() + 68 (RenderBlock.cpp:926) 14 WebCore 0x0000000196c16828 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) + 932 (RenderBlockFlow.cpp:709) 15 WebCore 0x0000000196c1553c WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) + 556 (RenderBlockFlow.cpp:632) 16 WebCore 0x0000000196c14518 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) + 800 (RenderBlockFlow.cpp:485) 17 WebCore 0x0000000196152b98 WebCore::RenderBlock::layout() + 68 (RenderBlock.cpp:926) 18 WebCore 0x0000000196c16828 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) + 932 (RenderBlockFlow.cpp:709) 19 WebCore 0x0000000196c1553c WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) + 556 (RenderBlockFlow.cpp:632) 20 WebCore 0x0000000196c14518 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) + 800 (RenderBlockFlow.cpp:485) 21 WebCore 0x0000000196152b98 WebCore::RenderBlock::layout() + 68 (RenderBlock.cpp:926) 22 WebCore 0x0000000196c16828 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) + 932 (RenderBlockFlow.cpp:709) 23 WebCore 0x0000000196c1553c WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) + 556 (RenderBlockFlow.cpp:632) 24 WebCore 0x0000000196c14518 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) + 800 (RenderBlockFlow.cpp:485) 25 WebCore 0x0000000196152b98 WebCore::RenderBlock::layout() + 68 (RenderBlock.cpp:926) 26 WebCore 0x0000000196c16828 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) + 932 (RenderBlockFlow.cpp:709) 27 WebCore 0x0000000196c1553c WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) + 556 (RenderBlockFlow.cpp:632) 28 WebCore 0x0000000196c14518 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) + 800 (RenderBlockFlow.cpp:485) 29 WebCore 0x0000000196152b98 WebCore::RenderBlock::layout() + 68 (RenderBlock.cpp:926) 30 WebCore 0x0000000196c16828 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) + 932 (RenderBlockFlow.cpp:709) 31 WebCore 0x0000000196c1553c WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) + 556 (RenderBlockFlow.cpp:632) 32 WebCore 0x0000000196c14518 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) + 800 (RenderBlockFlow.cpp:485) 33 WebCore 0x0000000196152b98 WebCore::RenderBlock::layout() + 68 (RenderBlock.cpp:926) 34 WebCore 0x0000000196c16228 WebCore::RenderBlockFlow::insertFloatingObject(WebCore::RenderBox&) + 280 (RenderElement.h:134) 35 WebCore 0x0000000196b17b24 WebCore::LineBreaker::skipLeadingWhitespace(WebCore::BidiResolver<WebCore::InlineIterator, WebCore::BidiRun>&, WebCore::LineInfo&, WebCore::FloatingObject*, WebCore::LineWidth&) + 448 (LineBreaker.cpp:69) 36 WebCore 0x0000000196b17ce8 WebCore::LineBreaker::nextLineBreak(WebCore::BidiResolver<WebCore::InlineIterator, WebCore::BidiRun>&, WebCore::LineInfo&, WebCore::RenderTextInfo&, WebCore::FloatingObject*, unsigned int, WTF::Vector<WebCore::WordMeasurement, 64ul, WTF::CrashOnOverflow, 16ul>&) + 204 (LineBreaker.cpp:90) 37 WebCore 0x0000000196c26f58 WebCore::RenderBlockFlow::layoutRunsAndFloatsInRange(WebCore::LineLayoutState&, WebCore::BidiResolver<WebCore::InlineIterator, WebCore::BidiRun>&, WebCore::InlineIterator const&, WebCore::BidiStatus const&, unsigned int) + 572 (RenderBlockLineLayout.cpp:1248) 38 WebCore 0x0000000196c25b94 WebCore::RenderBlockFlow::layoutRunsAndFloats(WebCore::LineLayoutState&, bool) + 800 (RenderBlockLineLayout.cpp:1202) 39 WebCore 0x0000000196c29414 WebCore::RenderBlockFlow::layoutLineBoxes(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&) + 2044 (RenderBlockLineLayout.cpp:1612) 40 WebCore 0x0000000196c145a0 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) + 936 (RenderBlockFlow.cpp:651) 41 WebCore 0x0000000196152b98 WebCore::RenderBlock::layout() + 68 (RenderBlock.cpp:926) 42 WebCore 0x0000000196c16828 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) + 932 (RenderBlockFlow.cpp:709) 43 WebCore 0x0000000196c1553c WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) + 556 (RenderBlockFlow.cpp:632) 44 WebCore 0x0000000196c14518 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) + 800 (RenderBlockFlow.cpp:485) 45 WebCore 0x0000000196152b98 WebCore::RenderBlock::layout() + 68 (RenderBlock.cpp:926) 46 WebCore 0x0000000196c16828 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) + 932 (RenderBlockFlow.cpp:709) 47 WebCore 0x0000000196c1553c WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) + 556 (RenderBlockFlow.cpp:632) 48 WebCore 0x0000000196c14518 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) + 800 (RenderBlockFlow.cpp:485) 49 WebCore 0x0000000196152b98 WebCore::RenderBlock::layout() + 68 (RenderBlock.cpp:926) 50 WebCore 0x0000000196c16828 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) + 932 (RenderBlockFlow.cpp:709) 51 WebCore 0x0000000196c1553c WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) + 556 (RenderBlockFlow.cpp:632) 52 WebCore 0x0000000196c14518 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) + 800 (RenderBlockFlow.cpp:485) 53 WebCore 0x0000000196152b98 WebCore::RenderBlock::layout() + 68 (RenderBlock.cpp:926) 54 WebCore 0x0000000196c16828 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) + 932 (RenderBlockFlow.cpp:709) 55 WebCore 0x0000000196c1553c WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) + 556 (RenderBlockFlow.cpp:632) 56 WebCore 0x0000000196c14518 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) + 800 (RenderBlockFlow.cpp:485) 57 WebCore 0x0000000196152b98 WebCore::RenderBlock::layout() + 68 (RenderBlock.cpp:926) 58 WebCore 0x00000001961b3ad8 WebCore::RenderView::layout() + 924 (RenderView.cpp:232) 59 WebCore 0x00000001961b20bc WebCore::FrameView::layout(bool) + 2924 (FrameView.cpp:1319) 60 WebCore 0x00000001964a15f8 WebCore::Document::updateLayoutIfDimensionsOutOfDate(WebCore::Element&, WebCore::DimensionsCheck) + 1360 (Document.cpp:1997) 61 WebCore 0x000000019621ba38 WebCore::Element::offsetWidth() + 36 (Element.cpp:747) 62 WebCore 0x00000001968570a4 WebCore::jsElementOffsetWidth(JSC::ExecState*, JSC::JSObject*, long long, JSC::PropertyName) + 44 (JSElement.cpp:856) 63 JavaScriptCore 0x00000001858214bc llint_slow_path_get_by_id + 2072 (PropertySlot.h:256) 64 JavaScriptCore 0x0000000185c3696c llint_entry + 9884 65 JavaScriptCore 0x0000000185c39e38 llint_entry + 23400 66 JavaScriptCore 0x0000000185c39e9c llint_entry + 23500 67 JavaScriptCore 0x0000000185c39e9c llint_entry + 23500 68 ??? 0x000000017d55b9bc 0 + 6397737404 69 ??? 0x000000017cb32218 0 + 6387081752 70 JavaScriptCore 0x0000000185c340b4 vmEntryToJavaScript + 308 71 JavaScriptCore 0x0000000185b6b63c JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 188 (JITCode.cpp:77) 72 JavaScriptCore 0x000000018582d1b4 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 396 (Interpreter.cpp:962) 73 JavaScriptCore 0x0000000185934f40 JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, JSC::JSValue*) + 76 (CallData.cpp:39) 74 WebCore 0x00000001962a4ab0 WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) + 860 (JSMainThreadExecState.h:56) 75 WebCore 0x0000000196562b54 WebCore::EventTarget::fireEventListeners(WebCore::Event*, WebCore::EventTargetData*, WTF::Vector<WebCore::RegisteredEventListener, 1ul, WTF::CrashOnOverflow, 16ul>&) + 748 (EventTarget.cpp:256) 76 WebCore 0x00000001961a83bc WebCore::EventTarget::fireEventListeners(WebCore::Event*) + 324 (EventTarget.cpp:208) 77 WebCore 0x00000001961c6350 WebCore::DOMWindow::dispatchEvent(WTF::PassRefPtr<WebCore::Event>, WTF::PassRefPtr<WebCore::EventTarget>) + 292 (DOMWindow.cpp:1901) 78 WebCore 0x00000001961caf7c WebCore::FrameLoader::stopLoading(WebCore::UnloadEventPolicy) + 656 (FrameLoader.cpp:451) 79 WebCore 0x00000001965d0618 WebCore::FrameLoader::detachFromParent() + 128 (FrameLoader.cpp:535) 80 WebCore 0x00000001961a1ba8 WebCore::FrameLoader::detachChildren() + 192 (FrameLoader.cpp:2396) 81 WebCore 0x00000001961a1a4c WebCore::FrameLoader::setDocumentLoader(WebCore::DocumentLoader*) + 44 (FrameLoader.cpp:1658) 82 WebCore 0x00000001965cfd64 WebCore::FrameLoader::transitionToCommitted(WebCore::CachedPage*) + 236 (FrameLoader.cpp:1883) 83 WebCore 0x00000001961a0f74 WebCore::FrameLoader::commitProvisionalLoad() + 444 (FrameLoader.cpp:1770) 84 WebCore 0x00000001961ca6c8 WebCore::DocumentLoader::commitLoad(char const*, int) + 104 (DocumentLoader.cpp:356) 85 WebCore 0x00000001961be780 WebCore::CachedRawResource::didAddClient(WebCore::CachedResourceClient*) + 792 (CachedRawResource.cpp:146) 86 WebCore 0x000000019613354c WebCore::ThreadTimers::sharedTimerFiredInternal() + 144 (ThreadTimers.cpp:132) 87 WebCore 0x000000019613348c WebCore::timerFired(__CFRunLoopTimer*, void*) + 32 (SharedTimerCF.cpp:82) 88 CoreFoundation 0x0000000184194720 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 24 (CFRunLoop.c:1632) 89 CoreFoundation 0x00000001841943c4 __CFRunLoopDoTimer + 880 (CFRunLoop.c:2171) 90 CoreFoundation 0x0000000184191aac __CFRunLoopRun + 1516 (CFRunLoop.c:2310) 91 CoreFoundation 0x00000001840bd0bc CFRunLoopRunSpecific + 380 (CFRunLoop.c:2818) 92 Foundation 0x0000000185058e8c -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 304 (NSRunLoop.m:366) 93 Foundation 0x00000001850ae724 -[NSRunLoop(NSRunLoop) run] + 84 (NSRunLoop.m:388) 94 libxpc.dylib 0x0000000199c4d298 _xpc_objc_main + 656 (main.m:176) 95 libxpc.dylib 0x0000000199c4efa8 xpc_main + 196 (init.c:1424) 96 com.apple.WebKit.WebContent 0x0000000100017920 main + 52 (XPCServiceMain.mm:89) 97 libdyld.dylib 0x0000000199a329e4 start + 0 (start_glue.s:78) 1107144 1 zalan 2015-07-06 10:56:43 -0700 rdar://problem/21371544 1107150 2 256223 zalan 2015-07-06 11:03:33 -0700 Created attachment 256223 Patch 1107188 3 256223 commit-queue 2015-07-06 12:38:34 -0700 Comment on attachment 256223 Patch Clearing flags on attachment: 256223 Committed r186366: <http://trac.webkit.org/changeset/186366> 1107189 4 commit-queue 2015-07-06 12:38:38 -0700 All reviewed patches have been landed. Closing bug. 256223 2015-07-06 11:03:33 -0700 2015-07-06 12:38:34 -0700 Patch bug-146646-20150706110237.patch text/plain 4225 zalan U3VidmVyc2lvbiBSZXZpc2lvbjogMTg2MzU0CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggYTc4NTNiZWVkZjgxNjNm OGFhYjE0OGQ1Y2NkODgxNzNmZjk4NmRhZC4uMzA3MWM4NzdmYmQ0NDg0ZmEwMDQ1MDU2NWJkY2Q2 YTkxNzllOWI0ZSAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDIyIEBACisyMDE1LTA3LTA2ICBaYWxh biBCdWp0YXMgIDx6YWxhbkBhcHBsZS5jb20+CisKKyAgICAgICAgQ3Jhc2g6IExheW91dFN0YXRl IHJvb3QncyBjb250YWluZXIgaXMgbnVsbHB0ciB3aGVuIHRoZSBsYXlvdXQgcm9vdCBpcyBkZXRh Y2hlZC4KKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTE0 NjY0NgorICAgICAgICByZGFyOi8vcHJvYmxlbS8yMTM3MTU0NAorCisgICAgICAgIFJldmlld2Vk IGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIFRoaXMgaXMgYSBzcGVjdWxhdGl2ZSBmaXgg dG8gZW5zdXJlIHRoYXQgd2hlbiB0aGUgcm9vdCBvZiB0aGUgTGF5b3V0U3RhdGUgaXMgZGV0YWNo 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