[Webkit-unassigned] [Bug 56345] New: REGRESSION: Crash in adjustMIMETypeIfNecessary since r81001

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=56345

           Summary: REGRESSION: Crash in adjustMIMETypeIfNecessary since
                    r81001
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
               URL: http://insidetv.ew.com/2011/03/10/teenage-mutant-ninja
                    -turtles-nickelodeon/?hpt=Sbin
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Major
          Priority: P1
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jon at jonshier.com


Crash while navigating to the linked site results in the following stack trace.


Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   com.apple.CoreFoundation          0x00007fff817bbeb0 CFStringGetLength + 80
1   com.apple.CoreFoundation          0x00007fff817d0b2b CFStringHasPrefix + 27
2   com.apple.WebCore                 0x0000000101637183 WebCore::adjustMIMETypeIfNecessary(_CFURLResponse*) + 595 (RetainPtr.h:63)
3   com.apple.WebCore                 0x0000000101505b18 -[WebCoreResourceHandleAsDelegate connection:didReceiveResponse:] + 136 (ResourceHandleMac.mm:891)
4   com.apple.Foundation              0x00007fff840e8b67 _NSURLConnectionDidReceiveResponse + 123
5   com.apple.CFNetwork               0x00007fff80f3aba4 URLConnectionClient::_clientSendDidReceiveResponse(_CFURLResponse*, URLConnectionClient::ClientConnectionEventQueue*) + 38
6   com.apple.CFNetwork               0x00007fff80fa1a78 URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XClientEvent, XClientEventParams>*, long) + 456
7   com.apple.CFNetwork               0x00007fff80fa1c1a URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XClientEvent, XClientEventParams>*, long) + 874
8   com.apple.CFNetwork               0x00007fff80f28825 URLConnectionClient::processEvents() + 121
9   com.apple.CFNetwork               0x00007fff80f28600 MultiplexerSource::perform() + 160
10  com.apple.CoreFoundation          0x00007fff81802401 __CFRunLoopDoSources0 + 1361
11  com.apple.CoreFoundation          0x00007fff818005f9 __CFRunLoopRun + 873
12  com.apple.CoreFoundation          0x00007fff817ffdbf CFRunLoopRunSpecific + 575
13  com.apple.HIToolbox               0x00007fff879d77ee RunCurrentEventLoopInMode + 333
14  com.apple.HIToolbox               0x00007fff879d75f3 ReceiveNextEventCommon + 310
15  com.apple.HIToolbox               0x00007fff879d74ac BlockUntilNextEventMatchingListInMode + 59
16  com.apple.AppKit                  0x00007fff86527e64 _DPSNextEvent + 718
17  com.apple.AppKit                  0x00007fff865277a9 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 155
18  com.apple.Safari                  0x000000010001605a 0x100000000 + 90202
19  com.apple.AppKit                  0x00007fff864ed48b -[NSApplication run] + 395
20  com.apple.AppKit                  0x00007fff864e61a8 NSApplicationMain + 364
21  com.apple.Safari                  0x0000000100009f7c 0x100000000 + 40828

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