[Webkit-unassigned] [Bug 7804] New: REGRESSION: Incorrect rendering then crash on refresh of nasa.gov

[bugzilla-daemon at opendarwin.org]

http://bugzilla.opendarwin.org/show_bug.cgi?id=7804

           Summary: REGRESSION: Incorrect rendering then crash on refresh of
                    nasa.gov
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
               URL: http://www.nasa.gov/home/index.html
        OS/Version: Mac OS X 10.4
            Status: UNCONFIRMED
          Severity: major
          Priority: P1
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at opendarwin.org
        ReportedBy: jshier at iastate.edu


r13334 incorrectly renders the flash version of the nasa.gov homepage the first
time it's loaded. Then, when attempting a refresh, it will crash.

Exception:  EXC_BAD_ACCESS (0x0001)
Codes:      KERN_PROTECTION_FAILURE (0x0002) at 0x03d003db

Thread 0 Crashed:
0   com.apple.WebCore           0x01abecd4 QString::QString[in-charge](QString
const&) + 116 (QString.h:373)
1   com.apple.WebCore           0x0184c394
KWQValueListImpl::KWQValueListPrivate::copyList(KWQValueListNodeImpl*,
KWQValueListNodeImpl*&, KWQValueListNodeImpl*&) const + 84
(KWQValueListImpl.cpp:84)
2   com.apple.WebCore           0x0184c60c KWQValueListImpl::copyOnWrite() +
108 (Shared.h:34)
3   com.apple.WebCore           0x0184c860 KWQValueListImpl::clear() + 48
(KWQValueListImpl.cpp:129)
4   com.apple.WebCore           0x019d54dc WebCore::SegmentedString::clear() +
60 (SegmentedString.cpp:81)
5   com.apple.WebCore           0x018bf8f8
WebCore::HTMLTokenizer::notifyFinished(WebCore::CachedObject*) + 568
(htmltokenizer.cpp:1745)
6   com.apple.WebCore           0x019d26c8 WebCore::CachedScript::checkNotify()
+ 88 (CachedScript.cpp:106)
7   com.apple.WebCore           0x019d281c
WebCore::CachedScript::data(WebCore::Array<char>&, bool) + 252
(CachedScript.cpp:99)
8   com.apple.WebCore           0x019d4f3c
WebCore::Loader::receivedAllData(WebCore::TransferJob*, NSData*) + 380
(loader.cpp:136)
9   com.apple.WebCore           0x018df304 -[KWQResourceLoader
finishJobAndHandle:] + 116 (KWQResourceLoader.mm:98)
10  com.apple.WebKit            0x00326ef0 -[WebSubresourceLoader
didFinishLoading] + 80 (WebSubresourceLoader.m:228)
11  com.apple.WebKit            0x0032ee2c -[WebLoader
connectionDidFinishLoading:] + 44 (WebLoader.m:663)
12  com.apple.Foundation        0x92907a6c
-[NSURLConnection(NSURLConnectionInternal) _sendDidFinishLoadingCallback] + 188
13  com.apple.Foundation        0x92905cd8
-[NSURLConnection(NSURLConnectionInternal) _sendCallbacks] + 556
14  com.apple.Foundation        0x92905a30 _sendCallbacks + 156
15  com.apple.CoreFoundation    0x9075ea68 __CFRunLoopDoSources0 + 384
16  com.apple.CoreFoundation    0x9075df98 __CFRunLoopRun + 452
17  com.apple.CoreFoundation    0x9075da18 CFRunLoopRunSpecific + 268
18  com.apple.HIToolbox         0x9317d1e0 RunCurrentEventLoopInMode + 264
19  com.apple.HIToolbox         0x9317c874 ReceiveNextEventCommon + 380
20  com.apple.HIToolbox         0x9317c6e0
BlockUntilNextEventMatchingListInMode + 96
21  com.apple.AppKit            0x9367b104 _DPSNextEvent + 384
22  com.apple.AppKit            0x9367adc8 -[NSApplication
nextEventMatchingMask:untilDate:inMode:dequeue:] + 116
23  com.apple.Safari            0x00006e74 0x1000 + 24180
24  com.apple.AppKit            0x9367730c -[NSApplication run] + 472
25  com.apple.AppKit            0x93767e68 NSApplicationMain + 452
26  com.apple.Safari            0x0005cbf0 0x1000 + 375792
27  com.apple.Safari            0x0005ca94 0x1000 + 375444


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