[Webkit-unassigned] [Bug 75656] New: Assertion failure under SharedBuffer::append() when NETWORK_CFDATA_ARRAY_CALLBACK is enabled

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=75656

           Summary: Assertion failure under SharedBuffer::append() when
                    NETWORK_CFDATA_ARRAY_CALLBACK is enabled
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: psolanki at apple.com
                CC: benjamin at webkit.org


I get the following assertion when I enable NETWORK_CFDATA_ARRAY_CALLBACK on Mac OSX.

ASSERTION FAILED: i < size()
/Volumes/Data/Builds/Xcode4-builds/Debug/JavaScriptCore.framework/PrivateHeaders/Vector.h(520) : char *&WTF::Vector<char *, 0>::at(size_t)
1   0x1033deb9a WTF::Vector<char*, 0ul>::at(unsigned long)
2   0x1033de0cb WTF::Vector<char*, 0ul>::last()
3   0x1033dd18b WebCore::SharedBuffer::append(char const*, unsigned int)
4   0x103327eeb WebCore::ResourceLoader::addData(char const*, int, bool)
5   0x103328499 WebCore::ResourceLoader::didReceiveData(char const*, int, long long, bool)
6   0x10344c811 WebCore::SubresourceLoader::didReceiveData(char const*, int, long long, bool)
7   0x10344d2b1 WebCore::SubresourceLoader::didReceiveDataArray(__CFArray const*)
8   0x103329d38 WebCore::ResourceLoader::didReceiveDataArray(WebCore::ResourceHandle*, __CFArray const*)
9   0x1033238b2 WebCore::ResourceHandle::handleDataArray(__CFArray const*)
10  0x1033212c0 _ZN7WebCoreL19didReceiveDataArrayEP16_CFURLConnectionPK9__CFArrayPKv
11  0x7fff8fa9f563 URLConnectionClient::_clientDidReceiveData(__CFArray const*, URLConnectionClient::ClientConnectionEventQueue*)
12  0x7fff8fb50ceb URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XClientEvent, XClientEventParams>*, long)
13  0x7fff8fb50efa URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XClientEvent, XClientEventParams>*, long)
14  0x7fff8fa7bdfd URLConnectionClient::processEvents()
15  0x7fff8fa7bca2 MultiplexerSource::perform()
16  0x7fff8e818b51 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
17  0x7fff8e81847c __CFRunLoopDoSources0
18  0x7fff8e83f1a9 __CFRunLoopRun
19  0x7fff8e83eae6 CFRunLoopRunSpecific
20  0x7fff923973d3 RunCurrentEventLoopInMode
21  0x7fff9239e63d ReceiveNextEventCommon
22  0x7fff9239e4ca BlockUntilNextEventMatchingListInMode
23  0x7fff949573f1 _DPSNextEvent
24  0x7fff94956cf5 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:]
25  0x7fff8dfa80d3 -[BrowserApplication nextEventMatchingMask:untilDate:inMode:dequeue:]
26  0x7fff9495362d -[NSApplication run]
27  0x7fff94bd280c NSApplicationMain
28  0x7fff8e15bffb SafariMain
29  0x100000f24

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