[Webkit-unassigned] [Bug 140251] New: ASSERTION FAILED: !valueWithCalculation.calculation() in WebCore::CSSParser::validateCalculationUnit

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jan 8 09:52:02 PST 2015 

https://bugs.webkit.org/show_bug.cgi?id=140251

            Bug ID: 140251
           Summary: ASSERTION FAILED: !valueWithCalculation.calculation()
                    in WebCore::CSSParser::validateCalculationUnit
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rhodovan.u-szeged at partner.samsung.com
                CC: cdumez at apple.com
            Blocks: 116980

Created attachment 244267
  --> https://bugs.webkit.org/attachment.cgi?id=244267&action=review
Test case

The following test asserts on debug WK

<div style="text-shadow: 3px 3px calc( 3 * 3px ) ">


Backtrace:

ASSERTION FAILED: !valueWithCalculation.calculation()
../../Source/WebCore/css/CSSParser.cpp(1589) : bool WebCore::CSSParser::validateCalculationUnit(WebCore::CSSParser::ValueWithCalculation&, WebCore::CSSParser::Units)

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff98984700 (LWP 2701)]
0x00007fffed92a5c7 in WTFCrash () at ../../Source/WTF/wtf/Assertions.cpp:321
321        *(int *)(uintptr_t)0xbbadbeef = 0;
#0  0x00007fffed92a5c7 in WTFCrash () at ../../Source/WTF/wtf/Assertions.cpp:321
#1  0x00007ffff2e19b43 in WebCore::CSSParser::validateCalculationUnit (this=0x7fffffffba70, valueWithCalculation=..., unitFlags=(WebCore::CSSParser::FLength | WebCore::CSSParser::FNonNeg)) at ../../Source/WebCore/css/CSSParser.cpp:1589
#2  0x00007ffff2e19e30 in WebCore::CSSParser::validateUnit (this=0x7fffffffba70, valueWithCalculation=..., unitFlags=(WebCore::CSSParser::FLength | WebCore::CSSParser::FNonNeg), cssParserMode=WebCore::CSSStrictMode) at ../../Source/WebCore/css/CSSParser.cpp:1645
#3  0x00007ffff2e363cf in WebCore::CSSParser::parseShadow (this=0x7fffffffba70, valueList=..., propId=WebCore::CSSPropertyTextShadow) at ../../Source/WebCore/css/CSSParser.cpp:7279
#4  0x00007ffff2e1c85d in WebCore::CSSParser::parseValue (this=0x7fffffffba70, propId=WebCore::CSSPropertyTextShadow, important=false) at ../../Source/WebCore/css/CSSParser.cpp:2407
#5  0x00007ffff3ecaf17 in cssyyparse (parser=0x7fffffffba70) at /home/reni/data/REPOS/webkit/WebKitBuild/Debug/DerivedSources/WebCore/CSSGrammar.y:1288
#6  0x00007ffff2e18c34 in WebCore::CSSParser::parseDeclaration (this=0x7fffffffba70, string=..., contextStyleSheet=0x7ffff7f1ca90) at ../../Source/WebCore/css/CSSParser.cpp:1408
#7  0x00007ffff2e18b79 in WebCore::CSSParser::parseInlineStyleDeclaration (string=..., element=0x7ffff7f26a28) at ../../Source/WebCore/css/CSSParser.cpp:1400
#8  0x00007ffff308659d in WebCore::StyledElement::setInlineStyleFromString (this=0x7ffff7f26a28, newStyleString=...) at ../../Source/WebCore/dom/StyledElement.cpp:186
#9  0x00007ffff30851ac in WebCore::StyledElement::styleAttributeChanged (this=0x7ffff7f26a28, newStyleString=..., reason=WebCore::Element::ModifiedDirectly) at ../../Source/WebCore/dom/StyledElement.cpp:202
#10 0x00007ffff3084f22 in WebCore::StyledElement::attributeChanged (this=0x7ffff7f26a28, name=..., oldValue=..., newValue=..., reason=WebCore::Element::ModifiedDirectly) at ../../Source/WebCore/dom/StyledElement.cpp:154
#11 0x00007ffff2feb4e7 in WebCore::Element::parserSetAttributes (this=0x7ffff7f26a28, attributeVector=...) at ../../Source/WebCore/dom/Element.cpp:1263
#12 0x00007ffff32ec7c3 in WebCore::setAttributes (element=0x7ffff7f26a28, token=0x7fffffffd040, parserContentPolicy=WebCore::AllowScriptingContent) at ../../Source/WebCore/html/parser/HTMLConstructionSite.cpp:56
#13 0x00007ffff32f0132 in WebCore::HTMLConstructionSite::createHTMLElement (this=0x7ffff7f38920, token=0x7fffffffd040) at ../../Source/WebCore/html/parser/HTMLConstructionSite.cpp:644
#14 0x00007ffff32eef70 in WebCore::HTMLConstructionSite::insertHTMLElement (this=0x7ffff7f38920, token=0x7fffffffd040) at ../../Source/WebCore/html/parser/HTMLConstructionSite.cpp:479
#15 0x00007ffff332027c in WebCore::HTMLTreeBuilder::processStartTagForInBody (this=0x7ffff7f38900, token=...) at ../../Source/WebCore/html/parser/HTMLTreeBuilder.cpp:659
#16 0x00007ffff3322a9a in WebCore::HTMLTreeBuilder::processStartTag (this=0x7ffff7f38900, token=...) at ../../Source/WebCore/html/parser/HTMLTreeBuilder.cpp:1127
#17 0x00007ffff331e74e in WebCore::HTMLTreeBuilder::processToken (this=0x7ffff7f38900, token=...) at ../../Source/WebCore/html/parser/HTMLTreeBuilder.cpp:371
#18 0x00007ffff331e5a3 in WebCore::HTMLTreeBuilder::constructTree (this=0x7ffff7f38900, token=...) at ../../Source/WebCore/html/parser/HTMLTreeBuilder.cpp:341
#19 0x00007ffff32f6505 in WebCore::HTMLDocumentParser::constructTreeFromHTMLToken (this=0x7ffff7ed2100, rawToken=...) at ../../Source/WebCore/html/parser/HTMLDocumentParser.cpp:339
#20 0x00007ffff32f6160 in WebCore::HTMLDocumentParser::pumpTokenizer (this=0x7ffff7ed2100, mode=WebCore::HTMLDocumentParser::AllowYield) at ../../Source/WebCore/html/parser/HTMLDocumentParser.cpp:296
#21 0x00007ffff32f5a77 in WebCore::HTMLDocumentParser::pumpTokenizerIfPossible (this=0x7ffff7ed2100, mode=WebCore::HTMLDocumentParser::AllowYield) at ../../Source/WebCore/html/parser/HTMLDocumentParser.cpp:187
#22 0x00007ffff32f6a93 in WebCore::HTMLDocumentParser::append (this=0x7ffff7ed2100, inputSource=...) at ../../Source/WebCore/html/parser/HTMLDocumentParser.cpp:414
#23 0x00007ffff2f7b5c3 in WebCore::DecodedDataDocumentParser::flush (this=0x7ffff7ed2100, writer=...) at ../../Source/WebCore/dom/DecodedDataDocumentParser.cpp:60
#24 0x00007ffff346384b in WebCore::DocumentWriter::end (this=0x7ffff7ebeaa0) at ../../Source/WebCore/loader/DocumentWriter.cpp:244
#25 0x00007ffff344f029 in WebCore::DocumentLoader::finishedLoading (this=0x7ffff7ebea00, finishTime=0) at ../../Source/WebCore/loader/DocumentLoader.cpp:440
#26 0x00007ffff344ed92 in WebCore::DocumentLoader::notifyFinished (this=0x7ffff7ebea00, resource=0x7ffff7ecb680) at ../../Source/WebCore/loader/DocumentLoader.cpp:374
#27 0x00007ffff3501e1e in WebCore::CachedResource::checkNotify (this=0x7ffff7ecb680) at ../../Source/WebCore/loader/cache/CachedResource.cpp:294
#28 0x00007ffff3501f1c in WebCore::CachedResource::finishLoading (this=0x7ffff7ecb680) at ../../Source/WebCore/loader/cache/CachedResource.cpp:310
#29 0x00007ffff34fe617 in WebCore::CachedRawResource::finishLoading (this=0x7ffff7ecb680, data=0x7ffff7e45570) at ../../Source/WebCore/loader/cache/CachedRawResource.cpp:104
#30 0x00007ffff34b1886 in WebCore::SubresourceLoader::didFinishLoading (this=0x7ffff7ecb200, finishTime=0) at ../../Source/WebCore/loader/SubresourceLoader.cpp:355
#31 0x00007ffff34ad4e7 in WebCore::ResourceLoader::didFinishLoading (this=0x7ffff7ecb200, finishTime=0) at ../../Source/WebCore/loader/ResourceLoader.cpp:506
#32 0x00007ffff3e58c65 in WebCore::readCallback (asyncResult=0x7ac1e0, data=0x7ffff7e3b0e0) at ../../Source/WebCore/platform/network/soup/ResourceHandleSoup.cpp:1295
#33 0x00007fffeb4cc7d6 in async_ready_callback_wrapper (source_object=0x7c8ad0, res=0x7ac1e0, user_data=user_data at entry=0x7ffff7e3b0e0) at ginputstream.c:523
#34 0x00007fffeb4f20d5 in g_task_return_now (task=0x7ac1e0) at gtask.c:1077
#35 0x00007fffeb4f20f9 in complete_in_idle_cb (task=0x7ac1e0) at gtask.c:1086
#36 0x00007fffea7319fd in g_main_dispatch (context=0x478300) at gmain.c:3064
#37 g_main_context_dispatch (context=context at entry=0x478300) at gmain.c:3663
#38 0x00007fffea731d68 in g_main_context_iterate (context=0x478300, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3734
#39 0x00007fffea73202a in g_main_loop_run (loop=0x8fdaa0) at gmain.c:3928
#40 0x00007ffff4537450 in WTF::RunLoop::run () at ../../Source/WTF/wtf/gtk/RunLoopGtk.cpp:59
#41 0x00007ffff2a65456 in WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain> (argc=2, argv=0x7fffffffd968) at ../../Source/WebKit2/Shared/unix/ChildProcessMain.h:61
#42 0x00007ffff2a652bb in WebKit::WebProcessMainUnix (argc=2, argv=0x7fffffffd968) at ../../Source/WebKit2/WebProcess/gtk/WebProcessMainGtk.cpp:70
#43 0x0000000000400891 in main (argc=2, argv=0x7fffffffd968) at ../../Source/WebKit2/WebProcess/EntryPoint/unix/WebProcessMain.cpp:44

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