[Webkit-unassigned] [Bug 6693] New: Safari hangs then crashes at http://cnx.rice.edu/content/m11268/latest/ (crash in __memcpy)

bugzilla-daemon at opendarwin.org bugzilla-daemon at opendarwin.org
Fri Jan 20 18:35:48 PST 2006


http://bugzilla.opendarwin.org/show_bug.cgi?id=6693

           Summary: Safari hangs then crashes at
                    http://cnx.rice.edu/content/m11268/latest/ (crash in
                    __memcpy)
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
               URL: http://cnx.rice.edu/content/m11268/latest/
        OS/Version: Mac OS X 10.0
            Status: NEW
          Keywords: NeedsReduction, InRadar
          Severity: major
          Priority: P1
         Component: JavaScript
        AssignedTo: webkit-unassigned at opendarwin.org
        ReportedBy: alice.liu at apple.com


This bug is also in Radar as <rdar://4415273>

Summary: 
Safari hangs when visiting http://cnx.rice.edu/content/m11268/latest/

Steps to Reproduce: 
0. MacOS 10.4.4 (8G32)
1. Launch Safari
2. Type "http://cnx.rice.edu/content/m11268/latest/" into address bar and press
return

Expected Results: 
Safari should show the page (or at least make an effort)

Actual Results: 
Safari hangs -- must force quit.

Regression: 
Didn't regress.

Notes: 
Firefox 1.5 does not hang on this page, though it does report some missing
fonts.



'pwp-pb15.spx' was successfully uploaded

-------------------------------------------

<GMT19-Jan-2006 21:54:53GMT> Paul Placeway:
Please assign to Developer ADCBugs for further communications with the
developer.

<GMT21-Jan-2006 02:20:07GMT> Alice Liu:
Denver and Glendale hang for long periods.  TOT hangs (see attached sample)
with 

KJS::Collector::markStackObjectsConservatively(void*, void*) 
KJS::SimpleNumber::is(KJS::JSValue const*)

at the top when viewed with HotSpotFinder, and then after a while crashes with
this trace: 

Thread 0 Crashed:
0   <<00000000>>        0xffff87c4 __memcpy + 36 (cpu_capabilities.h:189)
1   com.apple.JavaScriptCore    0x015f6dc4
KJS::UString::UString[in-charge](KJS::UString const&, KJS::UString const&) +
948 (ustring.cpp:474)
2   com.apple.JavaScriptCore    0x0163e7ac KJS::operator+(KJS::UString const&,
KJS::UString const&) + 52 (ustring.h:500)
3   com.apple.JavaScriptCore    0x015e8fdc KJS::add(KJS::ExecState*,
KJS::JSValue*, KJS::JSValue*, char) + 292 (operations.cpp:225)
4   com.apple.JavaScriptCore    0x015d7b28
KJS::AddNode::evaluate(KJS::ExecState*) + 356 (nodes.cpp:1056)
5   com.apple.JavaScriptCore    0x015e10e0
KJS::AssignResolveNode::evaluate(KJS::ExecState*) + 640 (nodes.cpp:1317)
6   com.apple.JavaScriptCore    0x015d6b3c
KJS::ExprStatementNode::execute(KJS::ExecState*) + 220 (nodes.cpp:1605)
7   com.apple.JavaScriptCore    0x015dbd14
KJS::ForNode::execute(KJS::ExecState*) + 1036 (nodes.cpp:1745)
8   com.apple.JavaScriptCore    0x015d59f4
KJS::SourceElementsNode::execute(KJS::ExecState*) + 616 (nodes.cpp:2335)
9   com.apple.JavaScriptCore    0x015d424c
KJS::BlockNode::execute(KJS::ExecState*) + 216 (nodes.cpp:1582)
10  com.apple.JavaScriptCore    0x015dcd8c
KJS::IfNode::execute(KJS::ExecState*) + 500 (nodes.cpp:1624)
11  com.apple.JavaScriptCore    0x015d59f4
KJS::SourceElementsNode::execute(KJS::ExecState*) + 616 (nodes.cpp:2335)
12  com.apple.JavaScriptCore    0x015d424c
KJS::BlockNode::execute(KJS::ExecState*) + 216 (nodes.cpp:1582)
13  com.apple.JavaScriptCore    0x015bc218
KJS::DeclaredFunctionImp::execute(KJS::ExecState*) + 92 (function.cpp:339)
14  com.apple.JavaScriptCore    0x015bb914
KJS::FunctionImp::callAsFunction(KJS::ExecState*, KJS::JSObject*, KJS::List
const&) + 700 (function.cpp:110)
15  com.apple.JavaScriptCore    0x015e7df0 KJS::JSObject::call(KJS::ExecState*,
KJS::JSObject*, KJS::List const&) + 288 (object.cpp:96)
16  com.apple.JavaScriptCore    0x015df7c4
KJS::FunctionCallResolveNode::evaluate(KJS::ExecState*) + 820 (nodes.cpp:570)
17  com.apple.JavaScriptCore    0x015d6b3c
KJS::ExprStatementNode::execute(KJS::ExecState*) + 220 (nodes.cpp:1605)
18  com.apple.JavaScriptCore    0x015d59f4
KJS::SourceElementsNode::execute(KJS::ExecState*) + 616 (nodes.cpp:2335)
19  com.apple.JavaScriptCore    0x015d424c
KJS::BlockNode::execute(KJS::ExecState*) + 216 (nodes.cpp:1582)
20  com.apple.JavaScriptCore    0x015cbd68
KJS::InterpreterImp::evaluate(KJS::UChar const*, int, KJS::JSValue*,
KJS::UString const&, int) + 1028 (internal.cpp:682)
21  com.apple.JavaScriptCore    0x015cc5ec
KJS::Interpreter::evaluate(KJS::UString const&, int, KJS::UChar const*, int,
KJS::JSValue*) + 100 (interpreter.cpp:121)
22  com.apple.WebCore           0x01ca2aac
KJSProxyImpl::evaluate(WebCore::DOMString const&, int, WebCore::DOMString
const&, WebCore::NodeImpl*) + 296 (kjs_proxy.cpp:63)
23  com.apple.WebCore           0x01e381fc Frame::executeScript(QString, int,
WebCore::NodeImpl*, QString const&) + 160 (Frame.cpp:2521)
24  com.apple.WebCore           0x01cecd94
WebCore::HTMLTokenizer::scriptExecution(QString const&,
WebCore::HTMLTokenizer::State, QString, int) + 496 (htmltokenizer.cpp:485)
25  com.apple.WebCore           0x01cefc2c
WebCore::HTMLTokenizer::scriptHandler(WebCore::HTMLTokenizer::State) + 1568
(htmltokenizer.cpp:425)
26  com.apple.WebCore           0x01cf030c
WebCore::HTMLTokenizer::parseSpecial(WebCore::SegmentedString&,
WebCore::HTMLTokenizer::State) + 1292 (htmltokenizer.cpp:292)
27  com.apple.WebCore           0x01cf2810
WebCore::HTMLTokenizer::parseTag(WebCore::SegmentedString&,
WebCore::HTMLTokenizer::State) + 7732 (htmltokenizer.cpp:1262)
28  com.apple.WebCore           0x01cf3220
WebCore::HTMLTokenizer::write(WebCore::SegmentedString const&, bool) + 1776
(htmltokenizer.cpp:1467)
29  com.apple.WebCore           0x01ced2b0
WebCore::HTMLTokenizer::notifyFinished(WebCore::CachedObject*) + 816
(htmltokenizer.cpp:1784)
30  com.apple.WebCore           0x01e944e0 WebCore::CachedScript::checkNotify()
+ 140 (CachedScript.cpp:111)
31  com.apple.WebCore           0x01e94670
WebCore::CachedScript::data(QBuffer&, bool) + 276 (CachedScript.cpp:103)
32  com.apple.WebCore           0x01e97368
WebCore::Loader::slotFinished(KIO::Job*, NSData*) + 804 (loader.cpp:168)
33  com.apple.WebCore           0x01d1d368 KWQSlot::callWithData(KIO::Job*,
NSData*) const + 108 (KWQSlot.cpp:320)
34  com.apple.WebCore           0x01d1be74 KWQSignal::callWithData(KIO::Job*,
NSData*) const + 232 (KWQSignal.cpp:183)
35  com.apple.WebCore           0x01c14898
KIO::TransferJob::emitResult(NSData*) + 72 (KWQKJobClasses.mm:242)
36  com.apple.WebCore           0x01d20440 -[KWQResourceLoader
finishJobAndHandle:] + 128 (KWQResourceLoader.mm:95)
37  com.apple.WebCore           0x01d206ec -[KWQResourceLoader finishWithData:]
+ 200 (KWQResourceLoader.mm:126)
38  com.apple.WebKit            0x01242444 -[WebSubresourceLoader
didFinishLoading] + 132 (WebSubresourceLoader.m:218)
39  com.apple.WebKit            0x01251304 -[WebLoader
connectionDidFinishLoading:] + 184 (WebLoader.m:663)
40  com.apple.Foundation        0x90b4acdc
-[NSURLConnection(NSURLConnectionInternal) _sendDidFinishLoadingCallback] + 188
41  com.apple.Foundation        0x90b48f48
-[NSURLConnection(NSURLConnectionInternal) _sendCallbacks] + 556
42  com.apple.Foundation        0x90b48ca0 _sendCallbacks + 156
43  com.apple.CoreFoundation    0x902b0a68 __CFRunLoopDoSources0 + 384
44  com.apple.CoreFoundation    0x902aff98 __CFRunLoopRun + 452
45  com.apple.CoreFoundation    0x902afa18 CFRunLoopRunSpecific + 268
46  com.apple.HIToolbox         0x920531e0 RunCurrentEventLoopInMode + 264
47  com.apple.HIToolbox         0x92052874 ReceiveNextEventCommon + 380
48  com.apple.HIToolbox         0x920526e0
BlockUntilNextEventMatchingListInMode + 96
49  com.apple.AppKit            0x9253f104 _DPSNextEvent + 384
50  com.apple.AppKit            0x9253edc8 -[NSApplication
nextEventMatchingMask:untilDate:inMode:dequeue:] + 116
51  com.apple.Safari            0x00030ec4 -[BrowserApplication
nextEventMatchingMask:untilDate:inMode:dequeue:] + 292
(BrowserApplication.m:152)
52  com.apple.AppKit            0x9253b30c -[NSApplication run] + 472
53  com.apple.AppKit            0x9262be68 NSApplicationMain + 452
54  com.apple.Safari            0x000f7d90 main + 156 (main.m:23)
55  com.apple.Safari            0x00002814 _start + 344 (crt.c:272)
56  com.apple.Safari            0x000026b8 start + 60


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