[Webkit-unassigned] [Bug 52033] New: REGRESSION (r74663): Assertion failure in WebCore::HTMLDocumentParser::textPosition

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=52033

           Summary: REGRESSION (r74663): Assertion failure in
                    WebCore::HTMLDocumentParser::textPosition
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Keywords: Regression
          Severity: Normal
          Priority: P1
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aestes at apple.com
        Depends on: 51311


This assertion is hit when visiting Wikipedia (http://en.wikipedia.org) in a Debug build. Here is the stacktrace:

Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                 0x000000010168a2f4 WebCore::HTMLDocumentParser::textPosition() const + 134 (HTMLDocumentParser.cpp:413)
1   com.apple.WebCore                 0x00000001016f9195 WebCore::HTMLTreeBuilder::processScriptStartTag(WebCore::AtomicHTMLToken&) + 187 (HTMLTreeBuilder.cpp:2780)
2   com.apple.WebCore                 0x0000000101701c9a WebCore::HTMLTreeBuilder::processStartTagForInHead(WebCore::AtomicHTMLToken&) + 674 (HTMLTreeBuilder.cpp:2744)
3   com.apple.WebCore                 0x0000000101702a8a WebCore::HTMLTreeBuilder::processStartTagForInBody(WebCore::AtomicHTMLToken&) + 532 (HTMLTreeBuilder.cpp:733)
4   com.apple.WebCore                 0x00000001016fbae9 WebCore::HTMLTreeBuilder::processStartTag(WebCore::AtomicHTMLToken&) + 1839 (HTMLTreeBuilder.cpp:1213)
5   com.apple.WebCore                 0x00000001016fb31d WebCore::HTMLTreeBuilder::processToken(WebCore::AtomicHTMLToken&) + 183 (HTMLTreeBuilder.cpp:472)
6   com.apple.WebCore                 0x0000000101704724 WebCore::HTMLTreeBuilder::constructTreeFromAtomicToken(WebCore::AtomicHTMLToken&) + 30 (HTMLTreeBuilder.cpp:457)
7   com.apple.WebCore                 0x00000001017047fe WebCore::HTMLTreeBuilder::constructTreeFromToken(WebCore::HTMLToken&) + 42 (HTMLTreeBuilder.cpp:447)
8   com.apple.WebCore                 0x000000010168a94d WebCore::HTMLDocumentParser::pumpTokenizer(WebCore::HTMLDocumentParser::SynchronousMode) + 623 (HTMLDocumentParser.cpp:233)
9   com.apple.WebCore                 0x000000010168ac64 WebCore::HTMLDocumentParser::pumpTokenizerIfPossible(WebCore::HTMLDocumentParser::SynchronousMode) + 156 (HTMLDocumentParser.cpp:170)
10  com.apple.WebCore                 0x000000010168ad1b WebCore::HTMLDocumentParser::resumeParsingAfterScriptExecution() + 181 (HTMLDocumentParser.cpp:430)
11  com.apple.WebCore                 0x000000010168aeb0 WebCore::HTMLDocumentParser::executeScriptsWaitingForStylesheets() + 394 (HTMLDocumentParser.cpp:500)
12  com.apple.WebCore                 0x000000010143045f WebCore::Document::removePendingSheet() + 173 (Document.cpp:2880)
13  com.apple.WebCore                 0x0000000101d8a513 WebCore::StyleElement::sheetLoaded(WebCore::Document*) + 103 (StyleElement.cpp:165)
14  com.apple.WebCore                 0x00000001016e2e49 WebCore::HTMLStyleElement::sheetLoaded() + 37 (HTMLStyleElement.h:54)
15  com.apple.WebCore                 0x00000001013dce24 WebCore::CSSStyleSheet::checkLoaded() + 138 (CSSStyleSheet.cpp:232)
16  com.apple.WebCore                 0x000000010134e11b WebCore::CSSImportRule::setCSSStyleSheet(WTF::String const&, WebCore::KURL const&, WTF::String const&, WebCore::CachedCSSStyleSheet const*) + 1041 (CSSImportRule.cpp:104)
17  com.apple.WebCore                 0x0000000101294bd5 WebCore::CachedCSSStyleSheet::checkNotify() + 169 (CachedCSSStyleSheet.cpp:116)
18  com.apple.WebCore                 0x0000000101294c67 WebCore::CachedCSSStyleSheet::error(WebCore::CachedResource::Status) + 115 (CachedCSSStyleSheet.cpp:125)
19  com.apple.WebCore                 0x00000001012acf6b WebCore::CachedResourceRequest::didReceiveData(WebCore::SubresourceLoader*, char const*, int) + 289 (CachedResourceRequest.cpp:261)
20  com.apple.WebCore                 0x0000000101d9337b WebCore::SubresourceLoader::didReceiveData(char const*, int, long long, bool) + 149 (SubresourceLoader.cpp:158)
21  com.apple.WebCore                 0x0000000101cd5e96 WebCore::ResourceLoader::didReceiveData(WebCore::ResourceHandle*, char const*, int, int) + 128 (ResourceLoader.cpp:432)
22  com.apple.WebCore                 0x0000000101cd0b84 -[WebCoreResourceHandleAsDelegate connection:didReceiveData:lengthReceived:] + 301 (ResourceHandleMac.mm:881)

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