在我们的一个应用程序中，我们看到一些带有以下回溯的崩溃。
Thread 8 Crashed:
0 CoreFoundation 0x36a07202 CFEqual + 41
1 CoreFoundation 0x00088c49 __CFDictionaryStandardEquateKeys + 37
2 CoreFoundation 0x00002c3c CFBasicHashFindBucket + 2128
3 CoreFoundation 0x36a07a8b CFDictionaryGetValue + 82
4 CFNetwork 0x0001d77b SocketStream::copyProperty(void const*, __CFString const*) + 39
5 CFNetwork 0x000ae181 CoreStreamBase::_streamInterface_CopyProperty(__CFString const*) const + 21
6 CFNetwork 0x0006b7bf HTTPReadFilter::_streamImpl_CopyProperty(__CFString const*) const + 235
7 CFNetwork 0x000ae181 CoreStreamBase::_streamInterface_CopyProperty(__CFString const*) const + 21
8 CFNetwork 0x00017e11 NetConnection::willEnqueueRequests() + 65
9 CFNetwork 0x000678fd HTTPNetConnection::prepareTransmission(HTTPNetStreamInfo*, __CoreWriteStream*) + 21
10 CFNetwork 0x00017005 NetConnection::enqueue(void*, unsigned char) + 321
11 CFNetwork 0x0006972d HTTPNetStreamInfo::_streamImpl_Open(CFStreamError*, unsigned char*) + 57
12 CFNetwork 0x00069787 non-virtual thunk to HTTPNetStreamInfo::_streamImpl_Open(CFStreamError*, unsigned char*) + 11
13 CFNetwork 0x000ae1b5 CoreStreamBase::_streamInterface_Open() + 45
14 CFNetwork 0x0000641b HTTPProtocol::openStream() + 183
15 CFNetwork 0x0007789d HTTPProtocol::useNetConnectionForRequest(NetConnection*, __CFHTTPMessage*, unsigned char, unsigned char) + 665
16 CFNetwork 0x0007cdef HTTPConnectionCacheEntry::dispatchConnectionToProtocol(NetConnection*, HTTPProtocol*, HTTPRequestMessage*, unsigned char) + 191
17 CFNetwork 0x0007c435 HTTPConnectionCacheEntry::notifyNextProtocolOfOpenConnection(NetConnection*, unsigned char) + 329
18 CFNetwork 0x00004f5f HTTPConnectionCacheEntry::enqueueRequestForProtocol(HTTPProtocol*, __CFHTTPMessage*) + 499
19 CFNetwork 0x0007b2ed HTTPConnectionCache::_onqueue_enqueueRequestForProtocol(HTTPProtocol*, __CFHTTPMessage*) + 109
20 CFNetwork 0x0007b5b5 __enqueueRequestForProtocol_block_invoke_0 + 17
21 CFNetwork 0x000b0133 ___performAsync_block_invoke_068 + 19
22 CoreFoundation 0x36a0c74d CFArrayApplyFunction + 176
23 CFNetwork 0x000b0593 RunloopBlockContext::perform() + 75
24 CFNetwork 0x0001415d MultiplexerSource::perform() + 189
25 CoreFoundation 0x00097683 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 15
26 CoreFoundation 0x00096ee9 __CFRunLoopDoSources0 + 213
27 CoreFoundation 0x00095cb7 __CFRunLoopRun + 647
28 CoreFoundation 0x36a0cebd CFRunLoopRunSpecific + 356
29 CoreFoundation 0x36a0cd49 CFRunLoopRunInMode + 104
30 WebCore 0x000a5f9f _ZN7WebCoreL15runLoaderThreadEPv + 143
31 JavaScriptCore 0x0017ffb3 _ZN3WTFL19wtfThreadEntryPointEPv + 15
32 libsystem_c.dylib 0x00011311 _pthread_start + 309
关于问题可能是什么的任何见解？