<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>90664</bug_id>
          
          <creation_ts>2012-07-06 01:32:24 -0700</creation_ts>
          <short_desc>REGRESSION(r121925): It made PerformanceTests/Dromaeo/cssquery-prototype.html crash</short_desc>
          <delta_ts>2012-07-09 03:23:40 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>JavaScriptCore</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>All</rep_platform>
          <op_sys>All</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>DUPLICATE</resolution>
          <dup_id>90703</dup_id>
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P1</priority>
          <bug_severity>Critical</bug_severity>
          <target_milestone>---</target_milestone>
          
          <blocked>90347</blocked>
          <everconfirmed>1</everconfirmed>
          <reporter name="Csaba Osztrogonác">ossy</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>barraclough</cc>
    
    <cc>fpizlo</cc>
    
    <cc>ossy</cc>
    
    <cc>pvarga</cc>
    
    <cc>zherczeg</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>663940</commentid>
    <comment_count>0</comment_count>
    <who name="Csaba Osztrogonác">ossy</who>
    <bug_when>2012-07-06 01:32:24 -0700</bug_when>
    <thetext>It crashes on perf bots (Qt and Lion too). Here is the GDB backtrace created on Qt:

$ gdb WebKitBuild/Debug/bin/DumpRenderTree
GNU gdb (GDB) 7.0.1-debian
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later &lt;http://gnu.org/licenses/gpl.html&gt;
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type &quot;show copying&quot;
and &quot;show warranty&quot; for details.
This GDB was configured as &quot;x86_64-linux-gnu&quot;.
For bug reporting instructions, please see:
&lt;http://www.gnu.org/software/gdb/bugs/&gt;...
Reading symbols from /home/oszi/WebKit/WebKitBuild/Debug/bin/DumpRenderTree...done.
(gdb) run --no-timeout PerformanceTests/Dromaeo/cssquery-prototype.html
Starting program: /home/oszi/WebKit/WebKitBuild/Debug/bin/DumpRenderTree --no-timeout PerformanceTests/Dromaeo/cssquery-prototype.html
[Thread debugging using libthread_db enabled]
[New Thread 0x7fffa667b700 (LWP 20254)]
[Thread 0x7fffa667b700 (LWP 20254) exited]
[New Thread 0x7fffa667b700 (LWP 20255)]
[New Thread 0x7fffa6270700 (LWP 20256)]
[New Thread 0x7fffa606f700 (LWP 20257)]
[New Thread 0x7fffa5e6e700 (LWP 20258)]
[New Thread 0x7fffa5c6d700 (LWP 20259)]
[New Thread 0x7fffa5a6c700 (LWP 20260)]
[New Thread 0x7fffa586b700 (LWP 20261)]
[New Thread 0x7fffa5191700 (LWP 20262)]
main frame - has 1 onunload handler(s)
frame &quot;&lt;!--framePath //&lt;!--frame0--&gt;--&gt;&quot; - has 1 onunload handler(s)

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff41f505a in JSC::WriteBarrierBase&lt;JSC::Structure&gt;::get (this=0x8) at /home/oszi/WebKit/Source/JavaScriptCore/runtime/WriteBarrier.h:102
102             if (m_cell)
(gdb) bt
#0  0x00007ffff41f505a in JSC::WriteBarrierBase&lt;JSC::Structure&gt;::get (this=0x8) at /home/oszi/WebKit/Source/JavaScriptCore/runtime/WriteBarrier.h:102
#1  0x00007ffff41f3584 in JSC::JSCell::structure (this=0x0) at /home/oszi/WebKit/Source/JavaScriptCore/runtime/JSCell.h:192
#2  0x00007ffff41f41aa in JSC::Structure::typeInfo (this=0x0) at /home/oszi/WebKit/Source/JavaScriptCore/runtime/Structure.h:138
#3  0x00007ffff5a13f40 in JSC::getCallableObjectSlow (cell=0x7ffff7c58c20) at /home/oszi/WebKit/Source/JavaScriptCore/runtime/JSObject.cpp:49
#4  0x00007ffff42299ec in JSC::getCallableObject (value=...) at /home/oszi/WebKit/Source/JavaScriptCore/runtime/JSObject.h:55
#5  0x00007ffff5a1480e in JSC::JSObject::put (cell=0x7fffa422e380, exec=0x7fffa524c108, propertyName=..., value=..., slot=...) at /home/oszi/WebKit/Source/JavaScriptCore/runtime/JSObject.cpp:176
#6  0x00007ffff59f6e96 in JSC::JSFunction::put (cell=0x7fffa422e380, exec=0x7fffa524c108, propertyName=..., value=..., slot=...) at /home/oszi/WebKit/Source/JavaScriptCore/runtime/JSFunction.cpp:351
#7  0x00007ffff588f0e7 in JSC::JSValue::put (this=0x7fffffffb810, exec=0x7fffa524c108, propertyName=..., value=..., slot=...) at /home/oszi/WebKit/Source/JavaScriptCore/runtime/JSObject.h:915
#8  0x00007ffff593cf08 in cti_op_put_by_val (args=0x7fffffffb890) at /home/oszi/WebKit/Source/JavaScriptCore/jit/JITStubs.cpp:2509
#9  0x00007ffff59368cc in JSC::JITThunks::tryCacheGetByID (callFrame=0x7ffff593fc0b, codeBlock=0x7fffa422e380, returnAddress=..., baseValue=..., propertyName=..., slot=..., stubInfo=0x4dcd70)
    at /home/oszi/WebKit/Source/JavaScriptCore/jit/JITStubs.cpp:975
#10 0x00007ffff590d180 in JSC::JITCode::execute (this=0x7fffa4318bc8, registerFile=0x4f1bf8, callFrame=0x7fffa524c038, globalData=0x4dcd70) at /home/oszi/WebKit/Source/JavaScriptCore/jit/JITCode.h:133
#11 0x00007ffff59096f8 in JSC::Interpreter::execute (this=0x4f1be0, program=0x7fffa4318ba0, callFrame=0x7fffa51dee90, scopeChain=0x7fffa4346280, thisObj=0x7fffa43462c0)
    at /home/oszi/WebKit/Source/JavaScriptCore/interpreter/Interpreter.cpp:1231
#12 0x00007ffff59c8504 in JSC::evaluate (exec=0x7fffa51dee90, scopeChain=0x7fffa4346280, source=..., thisValue=..., returnedException=0x7fffffffcf20) at /home/oszi/WebKit/Source/JavaScriptCore/runtime/Completion.cpp:75
#13 0x00007ffff4258b6d in WebCore::JSMainThreadExecState::evaluate (exec=0x7fffa51dee90, chain=0x7fffa4346280, source=..., thisValue=..., exception=0x7fffffffcf20)
    at /home/oszi/WebKit/Source/WebCore/bindings/js/JSMainThreadExecState.h:77
#14 0x00007ffff428a153 in WebCore::ScriptController::evaluateInWorld (this=0x6cd810, sourceCode=..., world=0x4ee330) at /home/oszi/WebKit/Source/WebCore/bindings/js/ScriptController.cpp:145
#15 0x00007ffff428a2b6 in WebCore::ScriptController::evaluate (this=0x6cd810, sourceCode=...) at /home/oszi/WebKit/Source/WebCore/bindings/js/ScriptController.cpp:162
#16 0x00007ffff45c4f71 in WebCore::ScriptElement::executeScript (this=0x6d5400, sourceCode=...) at /home/oszi/WebKit/Source/WebCore/dom/ScriptElement.cpp:300
#17 0x00007ffff47e4f4d in WebCore::HTMLScriptRunner::executePendingScriptAndDispatchEvent (this=0x5f49b0, pendingScript=...) at /home/oszi/WebKit/Source/WebCore/html/parser/HTMLScriptRunner.cpp:139
#18 0x00007ffff47e4d50 in WebCore::HTMLScriptRunner::executeParsingBlockingScript (this=0x5f49b0) at /home/oszi/WebKit/Source/WebCore/html/parser/HTMLScriptRunner.cpp:118
#19 0x00007ffff47e5399 in WebCore::HTMLScriptRunner::executeParsingBlockingScripts (this=0x5f49b0) at /home/oszi/WebKit/Source/WebCore/html/parser/HTMLScriptRunner.cpp:195
#20 0x00007ffff47e5510 in WebCore::HTMLScriptRunner::executeScriptsWaitingForLoad (this=0x5f49b0, cachedScript=0x6de080) at /home/oszi/WebKit/Source/WebCore/html/parser/HTMLScriptRunner.cpp:206
#21 0x00007ffff47d7aac in WebCore::HTMLDocumentParser::notifyFinished (this=0x6d93c0, cachedResource=0x6de080) at /home/oszi/WebKit/Source/WebCore/html/parser/HTMLDocumentParser.cpp:516
#22 0x00007ffff497404d in WebCore::CachedResource::checkNotify (this=0x6de080) at /home/oszi/WebKit/Source/WebCore/loader/cache/CachedResource.cpp:245
#23 0x00007ffff497e54b in WebCore::CachedScript::data (this=0x6de080, data=..., allDataReceived=true) at /home/oszi/WebKit/Source/WebCore/loader/cache/CachedScript.cpp:104
#24 0x00007ffff49eb33c in WebCore::SubresourceLoader::didFinishLoading (this=0x6dff20, finishTime=0) at /home/oszi/WebKit/Source/WebCore/loader/SubresourceLoader.cpp:278
#25 0x00007ffff49dfd01 in WebCore::ResourceLoader::didFinishLoading (this=0x6dff20, finishTime=0) at /home/oszi/WebKit/Source/WebCore/loader/ResourceLoader.cpp:436
#26 0x00007ffff4ec9ea3 in WebCore::QNetworkReplyHandler::finish (this=0x4d17a0) at /home/oszi/WebKit/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:455
#27 0x00007ffff4ec7e28 in WebCore::QNetworkReplyHandlerCallQueue::flush (this=0x4d17d8) at /home/oszi/WebKit/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:196
#28 0x00007ffff4ec7b11 in WebCore::QNetworkReplyHandlerCallQueue::push (this=0x4d17d8, method=0x7ffff4ec9cd0 &lt;WebCore::QNetworkReplyHandler::finish()&gt;) at /home/oszi/WebKit/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:162
#29 0x00007ffff4ec930e in WebCore::QNetworkReplyWrapper::didReceiveFinished (this=0x6da640) at /home/oszi/WebKit/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:350
#30 0x00007ffff4ecc779 in WebCore::QNetworkReplyWrapper::qt_static_metacall (_o=0x6da640, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7fffffffd660) at ./moc_QNetworkReplyHandler.cpp:132
#31 0x00007fffed8bbb76 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4
#32 0x00007fffed8b77fe in QObject::event(QEvent*) () from /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4
#33 0x00007fffee17319c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/local/Trolltech/Qt-4.8.0/lib/libQtGui.so.4
#34 0x00007fffee17a06d in QApplication::notify(QObject*, QEvent*) () from /usr/local/Trolltech/Qt-4.8.0/lib/libQtGui.so.4
#35 0x00007fffed8a50ec in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4
#36 0x00007fffed8a9953 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4
#37 0x00007fffed8d6623 in ?? () from /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4
#38 0x00007fffefaf16f2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#39 0x00007fffefaf5568 in ?? () from /lib/libglib-2.0.so.0
#40 0x00007fffefaf571c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#41 0x00007fffed8d6163 in QEventDispatcherGlib::processEvents(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4
#42 0x00007fffee21fa9e in ?? () from /usr/local/Trolltech/Qt-4.8.0/lib/libQtGui.so.4
#43 0x00007fffed8a3ca2 in QEventLoop::processEvents(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4
#44 0x00007fffed8a4114 in QEventLoop::exec(QFlags&lt;QEventLoop::ProcessEventsFlag&gt;) () from /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4
#45 0x00007fffed8a9d19 in QCoreApplication::exec() () from /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4
#46 0x000000000042d9d5 in main (argc=3, argv=0x7fffffffe3b8) at /home/oszi/WebKit/Tools/DumpRenderTree/qt/main.cpp:254</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>664765</commentid>
    <comment_count>1</comment_count>
    <who name="Csaba Osztrogonác">ossy</who>
    <bug_when>2012-07-09 03:23:40 -0700</bug_when>
    <thetext>This bug fixed by http://trac.webkit.org/changeset/122047 (https://bugs.webkit.org/show_bug.cgi?id=90703)

*** This bug has been marked as a duplicate of bug 90703 ***</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>