[Webkit-unassigned] [Bug 54386] New: [GTK] Crashes after r78451, added built-in decoder for UTF-8

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=54386

           Summary: [GTK] Crashes after r78451, added built-in decoder for
                    UTF-8
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: alex at igalia.com
                CC: darin at apple.com, ap at webkit.org


Apparently some tests are hiting assertions:

http://webkit-bots.igalia.com/amd64/svn_78458.core-when_1297677236-_-who_DumpRenderTree-_-why_11.trace.html

#0  0x00007f90dbe36c29 in WTF::StringBuffer::shrink (this=0x7fffc5173760, newLength=2) at ../../Source/JavaScriptCore/wtf/text/StringBuffer.h:56
56            ASSERT(newLength <= m_length);

#0  0x00007f90dbe36c29 in WTF::StringBuffer::shrink (this=0x7fffc5173760, newLength=2) at ../../Source/JavaScriptCore/wtf/text/StringBuffer.h:56
#1  0x00007f90dc2dd535 in WebCore::TextCodecUTF8::decode (this=0x1699de0, bytes=0x7fffc51738c8 "\200", length=1, flush=true, stopOnError=false, sawError=@0x7fffc517386f) at ../../Source/WebCore/platform/text/TextCodecUTF8.cpp:313
#2  0x00007f90dc2ddc77 in WebCore::TextEncoding::decode (this=0x7f90de39ae70, data=0x7fffc51738c8 "\200", length=1, stopOnError=false, sawError=@0x7fffc517386f) at ../../Source/WebCore/platform/text/TextEncoding.cpp:71
#3  0x00007f90dc05efbe in WebCore::TextEncoding::decode (this=0x7f90de39ae70, str=0x7fffc51738c8 "\200", length=1) at ../../Source/WebCore/platform/text/TextEncoding.h:69
#4  0x00007f90dc299f90 in WebCore::decodeURLEscapeSequences (str=..., encoding=...) at ../../Source/WebCore/platform/KURL.cpp:947
#5  0x00007f90dc299d3c in WebCore::decodeURLEscapeSequences (str=...) at ../../Source/WebCore/platform/KURL.cpp:909
#6  0x00007f90dc05cc68 in WebCore::(anonymous namespace)::decodeURL (string=..., encoding=...) at ../../Source/WebCore/html/parser/XSSFilter.cpp:115

And also we can find:

http://webkit-bots.igalia.com/amd64/svn_78458.core-when_1297677247-_-who_DumpRenderTree-_-why_11.trace.html

#0  0x00007f550ed24f75 in WebCore::TextCodecUTF8::decode (this=0x2910a60, bytes=0x0, length=0, flush=true, stopOnError=false, sawError=@0x29dd004) at ../../Source/WebCore/platform/text/TextCodecUTF8.cpp:217
217                ASSERT(count > m_partialSequenceSize);


Thread 1 (Thread 12916):
#0  0x00007f550ed24f75 in WebCore::TextCodecUTF8::decode (this=0x2910a60, bytes=0x0, length=0, flush=true, stopOnError=false, sawError=@0x29dd004) at ../../Source/WebCore/platform/text/TextCodecUTF8.cpp:217
#1  0x00007f550ebd8dab in WebCore::TextResourceDecoder::flush (this=0x29dcfb0) at ../../Source/WebCore/loader/TextResourceDecoder.cpp:687
#2  0x00007f550f04c41d in WebCore::XMLHttpRequest::didFinishLoading (this=0x29d5390, identifier=502) at ../../Source/WebCore/xml/XMLHttpRequest.cpp:999
#3  0x00007f550eb82789 in WebCore::DocumentThreadableLoader::didFinishLoading (this=0x2980700, identifier=502) at ../../Source/WebCore/loader/DocumentThreadableLoader.cpp:248
#4  0x00007f550eb831ab in WebCore::DocumentThreadableLoader::loadRequest (this=0x2980700, request=..., securityCheck=WebCore::DoSecurityCheck) at ../../Source/WebCore/loader/DocumentThreadableLoader.cpp:362
#5  0x00007f550eb8121d in WebCore::DocumentThreadableLoader::DocumentThreadableLoader (this=0x2980700, document=0x2965f60, client=0x29d53a0, blockingBehavior=WebCore::DocumentThreadableLoader::LoadSynchronously, request=..., options=...) at ../../Source/WebCore/loader/DocumentThreadableLoader.cpp:76
#6  0x00007f550eb808fc in WebCore::DocumentThreadableLoader::loadResourceSynchronously (document=0x2965f60, request=..., client=..., options=...) at ../../Source/WebCore/loader/DocumentThreadableLoader.cpp:53

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