Created attachment 237351 [details] Test case The failing test: <li> <li></li> a </li> <style> * { border-style: solid; border-width: thick medium 81060002; } </style> Note: if the the doctype definition is given then the crash does not happen. Backtrace: ASSERTION FAILED: view().layoutDeltaMatches(oldLayoutDelta) /home/reni/data/REPOS/webkit/Source/WebCore/rendering/RenderBlockFlow.cpp(799) : void WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) 1 0x7ffff3ef343b WTFCrash 2 0x7ffff2f00e8f WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) 3 0x7ffff2f002b1 WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) 4 0x7ffff2eff6ce WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) 5 0x7ffff2ed25af WebCore::RenderBlock::layout() 6 0x7ffff2f00790 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) 7 0x7ffff2f002b1 WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) 8 0x7ffff2eff6ce WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) 9 0x7ffff2ed25af WebCore::RenderBlock::layout() 10 0x7ffff2f00790 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) 11 0x7ffff2f002b1 WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) 12 0x7ffff2eff6ce WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) 13 0x7ffff2ed25af WebCore::RenderBlock::layout() 14 0x7ffff30bd207 WebCore::RenderView::layoutContent(WebCore::LayoutState const&) 15 0x7ffff30bd8d7 WebCore::RenderView::layout() 16 0x7ffff2cfd2e5 WebCore::FrameView::layout(bool) 17 0x7ffff27e806b WebCore::Document::implicitClose() 18 0x7ffff2bc4749 WebCore::FrameLoader::checkCallImplicitClose() 19 0x7ffff2bc44b1 WebCore::FrameLoader::checkCompleted() 20 0x7ffff2bc421a WebCore::FrameLoader::finishedParsing() 21 0x7ffff27f0aed WebCore::Document::finishedParsing() 22 0x7ffff39011b9 WebCore::HTMLConstructionSite::finishedParsing() 23 0x7ffff2adf389 WebCore::HTMLTreeBuilder::finished() 24 0x7ffff2ab1028 WebCore::HTMLDocumentParser::end() 25 0x7ffff2ab1113 WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd() 26 0x7ffff2aafac9 WebCore::HTMLDocumentParser::prepareToStopParsing() 27 0x7ffff2ab1156 WebCore::HTMLDocumentParser::attemptToEnd() 28 0x7ffff2ab120d WebCore::HTMLDocumentParser::finish() 29 0x7ffff2bb5911 WebCore::DocumentWriter::end() 30 0x7ffff2ba0ea7 WebCore::DocumentLoader::finishedLoading(double) 31 0x7ffff2ba0c10 WebCore::DocumentLoader::notifyFinished(WebCore::CachedResource*) Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fff91255700 (LWP 6907)] 0x00007ffff3ef3440 in WTFCrash () at /home/reni/data/REPOS/webkit/Source/WTF/wtf/Assertions.cpp:329 329 *(int *)(uintptr_t)0xbbadbeef = 0; #0 0x00007ffff3ef3440 in WTFCrash () at /home/reni/data/REPOS/webkit/Source/WTF/wtf/Assertions.cpp:329 #1 0x00007ffff2f00e8f in WebCore::RenderBlockFlow::layoutBlockChild (this=0x6b93f0, child=..., marginInfo=..., previousFloatLogicalBottom=..., maxFloatLogicalBottom=...) at /home/reni/data/REPOS/webkit/Source/WebCore/rendering/RenderBlockFlow.cpp:799 #2 0x00007ffff2f002b1 in WebCore::RenderBlockFlow::layoutBlockChildren (this=0x6b93f0, relayoutChildren=true, maxFloatLogicalBottom=...) at /home/reni/data/REPOS/webkit/Source/WebCore/rendering/RenderBlockFlow.cpp:632 #3 0x00007ffff2eff6ce in WebCore::RenderBlockFlow::layoutBlock (this=0x6b93f0, relayoutChildren=true, pageLogicalHeight=...) at /home/reni/data/REPOS/webkit/Source/WebCore/rendering/RenderBlockFlow.cpp:485 #4 0x00007ffff2ed25af in WebCore::RenderBlock::layout (this=0x6b93f0) at /home/reni/data/REPOS/webkit/Source/WebCore/rendering/RenderBlock.cpp:1019 #5 0x00007ffff2f00790 in WebCore::RenderBlockFlow::layoutBlockChild (this=0x7121a0, child=..., marginInfo=..., previousFloatLogicalBottom=..., maxFloatLogicalBottom=...) at /home/reni/data/REPOS/webkit/Source/WebCore/rendering/RenderBlockFlow.cpp:711 #6 0x00007ffff2f002b1 in WebCore::RenderBlockFlow::layoutBlockChildren (this=0x7121a0, relayoutChildren=true, maxFloatLogicalBottom=...) at /home/reni/data/REPOS/webkit/Source/WebCore/rendering/RenderBlockFlow.cpp:632 #7 0x00007ffff2eff6ce in WebCore::RenderBlockFlow::layoutBlock (this=0x7121a0, relayoutChildren=true, pageLogicalHeight=...) at /home/reni/data/REPOS/webkit/Source/WebCore/rendering/RenderBlockFlow.cpp:485 #8 0x00007ffff2ed25af in WebCore::RenderBlock::layout (this=0x7121a0) at /home/reni/data/REPOS/webkit/Source/WebCore/rendering/RenderBlock.cpp:1019 #9 0x00007ffff2f00790 in WebCore::RenderBlockFlow::layoutBlockChild (this=0x6fcb80, child=..., marginInfo=..., previousFloatLogicalBottom=..., maxFloatLogicalBottom=...) at /home/reni/data/REPOS/webkit/Source/WebCore/rendering/RenderBlockFlow.cpp:711 #10 0x00007ffff2f002b1 in WebCore::RenderBlockFlow::layoutBlockChildren (this=0x6fcb80, relayoutChildren=true, maxFloatLogicalBottom=...) at /home/reni/data/REPOS/webkit/Source/WebCore/rendering/RenderBlockFlow.cpp:632 #11 0x00007ffff2eff6ce in WebCore::RenderBlockFlow::layoutBlock (this=0x6fcb80, relayoutChildren=true, pageLogicalHeight=...) at /home/reni/data/REPOS/webkit/Source/WebCore/rendering/RenderBlockFlow.cpp:485 #12 0x00007ffff2ed25af in WebCore::RenderBlock::layout (this=0x6fcb80) at /home/reni/data/REPOS/webkit/Source/WebCore/rendering/RenderBlock.cpp:1019 #13 0x00007ffff30bd207 in WebCore::RenderView::layoutContent (this=0x6fcb80, state=...) at /home/reni/data/REPOS/webkit/Source/WebCore/rendering/RenderView.cpp:232 #14 0x00007ffff30bd8d7 in WebCore::RenderView::layout (this=0x6fcb80) at /home/reni/data/REPOS/webkit/Source/WebCore/rendering/RenderView.cpp:357 #15 0x00007ffff2cfd2e5 in WebCore::FrameView::layout (this=0x6e0ca0, allowSubtree=true) at /home/reni/data/REPOS/webkit/Source/WebCore/page/FrameView.cpp:1301 #16 0x00007ffff27e806b in WebCore::Document::implicitClose (this=0x70f7b0) at /home/reni/data/REPOS/webkit/Source/WebCore/dom/Document.cpp:2440 #17 0x00007ffff2bc4749 in WebCore::FrameLoader::checkCallImplicitClose (this=0x6d02e8) at /home/reni/data/REPOS/webkit/Source/WebCore/loader/FrameLoader.cpp:898 #18 0x00007ffff2bc44b1 in WebCore::FrameLoader::checkCompleted (this=0x6d02e8) at /home/reni/data/REPOS/webkit/Source/WebCore/loader/FrameLoader.cpp:844 #19 0x00007ffff2bc421a in WebCore::FrameLoader::finishedParsing (this=0x6d02e8) at /home/reni/data/REPOS/webkit/Source/WebCore/loader/FrameLoader.cpp:764 #20 0x00007ffff27f0aed in WebCore::Document::finishedParsing (this=0x70f7b0) at /home/reni/data/REPOS/webkit/Source/WebCore/dom/Document.cpp:4523 #21 0x00007ffff39011b9 in WebCore::HTMLConstructionSite::finishedParsing (this=0x707568) at /home/reni/data/REPOS/webkit/Source/WebCore/html/parser/HTMLConstructionSite.cpp:395 #22 0x00007ffff2adf389 in WebCore::HTMLTreeBuilder::finished (this=0x707550) at /home/reni/data/REPOS/webkit/Source/WebCore/html/parser/HTMLTreeBuilder.cpp:2997 #23 0x00007ffff2ab1028 in WebCore::HTMLDocumentParser::end (this=0x70e780) at /home/reni/data/REPOS/webkit/Source/WebCore/html/parser/HTMLDocumentParser.cpp:451 #24 0x00007ffff2ab1113 in WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd (this=0x70e780) at /home/reni/data/REPOS/webkit/Source/WebCore/html/parser/HTMLDocumentParser.cpp:462 #25 0x00007ffff2aafac9 in WebCore::HTMLDocumentParser::prepareToStopParsing (this=0x70e780) at /home/reni/data/REPOS/webkit/Source/WebCore/html/parser/HTMLDocumentParser.cpp:165 #26 0x00007ffff2ab1156 in WebCore::HTMLDocumentParser::attemptToEnd (this=0x70e780) at /home/reni/data/REPOS/webkit/Source/WebCore/html/parser/HTMLDocumentParser.cpp:474 #27 0x00007ffff2ab120d in WebCore::HTMLDocumentParser::finish (this=0x70e780) at /home/reni/data/REPOS/webkit/Source/WebCore/html/parser/HTMLDocumentParser.cpp:502 #28 0x00007ffff2bb5911 in WebCore::DocumentWriter::end (this=0x7842e0) at /home/reni/data/REPOS/webkit/Source/WebCore/loader/DocumentWriter.cpp:250 #29 0x00007ffff2ba0ea7 in WebCore::DocumentLoader::finishedLoading (this=0x784240, finishTime=0) at /home/reni/data/REPOS/webkit/Source/WebCore/loader/DocumentLoader.cpp:441 #30 0x00007ffff2ba0c10 in WebCore::DocumentLoader::notifyFinished (this=0x784240, resource=0x79f110) at /home/reni/data/REPOS/webkit/Source/WebCore/loader/DocumentLoader.cpp:375 #31 0x00007ffff2c54952 in WebCore::CachedResource::checkNotify (this=0x79f110) at /home/reni/data/REPOS/webkit/Source/WebCore/loader/cache/CachedResource.cpp:333 #32 0x00007ffff2c54a5c in WebCore::CachedResource::finishLoading (this=0x79f110) at /home/reni/data/REPOS/webkit/Source/WebCore/loader/cache/CachedResource.cpp:349 #33 0x00007ffff2c5138a in WebCore::CachedRawResource::finishLoading (this=0x79f110, data=0x744a10) at /home/reni/data/REPOS/webkit/Source/WebCore/loader/cache/CachedRawResource.cpp:101 #34 0x00007ffff2c0452c in WebCore::SubresourceLoader::didFinishLoading (this=0x79f670, finishTime=0) at /home/reni/data/REPOS/webkit/Source/WebCore/loader/SubresourceLoader.cpp:306 #35 0x00007ffff2c001bb in WebCore::ResourceLoader::didFinishLoading (this=0x79f670, finishTime=0) at /home/reni/data/REPOS/webkit/Source/WebCore/loader/ResourceLoader.cpp:512 #36 0x00007ffff339390d in WebCore::readCallback (asyncResult=0x7a31f0, data=0x79fcf0) at /home/reni/data/REPOS/webkit/Source/WebCore/platform/network/soup/ResourceHandleSoup.cpp:1302 #37 0x00007fffeb3c1816 in async_ready_callback_wrapper (source_object=0x6c4db0, res=0x7a31f0, user_data=user_data@entry=0x79fcf0) at ginputstream.c:523 #38 0x00007fffeb3e7115 in g_task_return_now (task=0x7a31f0) at gtask.c:1077 #39 0x00007fffeb3e7139 in complete_in_idle_cb (task=0x7a31f0) at gtask.c:1086 #40 0x00007fffeae23a7d in g_main_dispatch (context=0x6bc390) at gmain.c:3064 #41 g_main_context_dispatch (context=context@entry=0x6bc390) at gmain.c:3663 #42 0x00007fffec6875e0 in _ecore_glib_select__locked (ecore_timeout=<optimized out>, efds=<optimized out>, wfds=0x7fffffffd5b0, rfds=0x7fffffffd530, ecore_fds=10, ctx=<optimized out>) at lib/ecore/ecore_glib.c:172 #43 _ecore_glib_select (ecore_fds=10, rfds=0x7fffffffd530, wfds=0x7fffffffd5b0, efds=<optimized out>, ecore_timeout=<optimized out>) at lib/ecore/ecore_glib.c:204 #44 0x00007fffec689ff4 in _ecore_main_select (timeout=<optimized out>) at lib/ecore/ecore_main.c:1579 #45 0x00007fffec68a995 in _ecore_main_loop_iterate_internal (once_only=once_only@entry=0) at lib/ecore/ecore_main.c:2005 #46 0x00007fffec68aa57 in ecore_main_loop_begin () at lib/ecore/ecore_main.c:1042 #47 0x00007ffff3f38db5 in WTF::RunLoop::run () at /home/reni/data/REPOS/webkit/Source/WTF/wtf/efl/RunLoopEfl.cpp:51 #48 0x00007ffff207062a in WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain> (argc=2, argv=0x7fffffffda58) at /home/reni/data/REPOS/webkit/Source/WebKit2/Shared/unix/ChildProcessMain.h:61 #49 0x00007ffff2070408 in WebKit::WebProcessMainUnix (argc=2, argv=0x7fffffffda58) at /home/reni/data/REPOS/webkit/Source/WebKit2/WebProcess/efl/WebProcessMainEfl.cpp:124 #50 0x000000000040084d in main (argc=2, argv=0x7fffffffda58) at /home/reni/data/REPOS/webkit/Source/WebKit2/WebProcess/EntryPoint/unix/WebProcessMain.cpp:32
Created attachment 273752 [details] Test case New test case. Checked on: OS: Mac OS X 10.11.1 (x86_64), x86_64 Build: ASAN debug Version: ecad464
Reproduces in r204037.
<rdar://problem/27689471>
I can't reproduce this with r205332.