DFP iOS SDK 6.9.3 crash

I see the following crash using 6.9.3

Thread 5 Crashed:

0   WebCore                             0x386b3328 _WebTryThreadLock(bool) + 296

1   WebCore                             0x386b4259 _WebThreadLock + 65

2   UIKit                               0x347e66dd -[UIWebView stringByEvaluatingJavaScriptFromString:] + 14

3   Shazam                              0x0037bdec -[GADNotificationCenter postJSNotification:userInfo:webView:] + 294

4   Shazam                              0x003b1d80 -[GADSlot(MRAID) notifyOrientationToMRAIDCreative] + 630

5   CoreFoundation                      0x326bc349 __CFXNotificationPost + 1421

6   Foundation                          0x32fd3b7f -[NSNotificationCenter postNotificationName:object:userInfo:] + 68

7   Foundation                          0x32fd768f -[NSNotificationCenter postNotificationName:object:] + 28

8   Shazam                              0x003b1894 -[GADSlot(DeviceOrientation) didChangeDeviceOrientation] + 498

9   Shazam                              0x003b13f8 -[GADSlot(DeviceOrientation) beginListeningToDeviceOrientationChangeEvent] + 66

10  Shazam                              0x003a0b6c -[GADMRAIDInterceptor initWithRequest:cachedResponse:client:] + 746

11  Foundation                          0x330a0e69 -[_NSCFURLProtocolBridge initWithCFURLProtocol:request:protocolClass:] + 182

12  Foundation                          0x330a0369 -[_NSCFURLProtocolBridgeWithTrampoline initWithCFURLProtocol:request:protocolClass:] + 42

13  Foundation                          0x330a0cf9 nsProtInstanceForProtocol + 230

14  CFNetwork                           0x3241fe2d ImplAdaptor::createProtocolInstanceCallback(__CFAllocator const*, _CFURLRequest const*, URLProtocolClient*) const + 134

15  CFNetwork                           0x3241fd55 URLProtocolRegistry::newProtocolForRequest(__CFAllocator const*, _CFURLRequest const*, URLProtocolClient*) + 34

16  CFNetwork                           0x3244ad1f URLConnectionLoader::ensureLoaderHasProtocolNoLock(_CFURLRequest const*) + 340

17  CFNetwork                           0x3244b0e3 URLConnectionLoader::createProtocolAndCopyCanonicalRequestBeforeLoadHasStarted(_CFURLRequest const*) + 8

18  CFNetwork                           0x324492fb URLConnectionClient_Classic::_clientInterface_precanonicalizeForSynchronousStart() + 52

19  CFNetwork                           0x323d40a3 URLConnection::start() + 96

20  WebCore                             0x3874a9c5 WebCore::ResourceHandle::start(WebCore::NetworkingContext*) + 150

21  WebCore                             0x3874a31f WebCore::ResourceHandle::create(WebCore::NetworkingContext*, WebCore::ResourceRequest const&, WebCore::ResourceHandleClient*, bool, bool) + 436

22  WebCore                             0x3876873f WebCore::ResourceLoader::start() + 216

23  WebCore                             0x38768301 WebCore::SubresourceLoader::startLoading() + 194

24  WebCore                             0x387444c5 WebCore::ResourceLoadScheduler::servePendingRequests(WebCore::ResourceLoadScheduler::HostInformation*, WebCore::ResourceLoadPriority) + 298

25  WebCore                             0x387675a3 WebCore::ResourceLoadScheduler::scheduleSubresourceLoad(WebCore::Frame*, WebCore::CachedResource*, WebCore::ResourceRequest const&, WebCore::ResourceLoadPriority, WebCore::ResourceLoaderOptions const&) + 44

26  WebCore                             0x38767475 WebCore::CachedResource::load(WebCore::CachedResourceLoader*, WebCore::ResourceLoaderOptions const&) + 494

27  WebCore                             0x38766c9b WebCore::CachedResourceLoader::loadResource(WebCore::CachedResource::Type, WebCore::ResourceRequest&, WTF::String const&, WebCore::ResourceLoadPriority, WebCore::ResourceLoaderOptions const&) + 80

28  WebCore                             0x38765e17 WebCore::CachedResourceLoader::requestResource(WebCore::CachedResource::Type, WebCore::ResourceRequest&, WTF::String const&, WebCore::ResourceLoaderOptions const&, WebCore::ResourceLoadPriority, bool) + 476

29  WebCore                             0x3876b0e3 WebCore::CachedResourceLoader::requestScript(WebCore::ResourceRequest&, WTF::String const&) + 88

30  WebCore                             0x3876afdb WebCore::ScriptElement::requestScript(WTF::String const&) + 392

31  WebCore                             0x3876a693 WebCore::ScriptElement::prepareScript(WTF::TextPosition const&, WebCore::ScriptElement::LegacyTypeSupport) + 416

32  WebCore                             0x3876a1ab WebCore::HTMLScriptRunner::runScript(WebCore::Element*, WTF::TextPosition const&) + 136

33  WebCore                             0x3876a0d7 WebCore::HTMLScriptRunner::execute(WTF::PassRefPtr<WebCore::Element>, WTF::TextPosition const&) + 32

34  WebCore                             0x3876a03d WebCore::HTMLDocumentParser::runScriptsForPausedTreeBuilder() + 50

35  WebCore                             0x386d8575 WebCore::HTMLDocumentParser::canTakeNextToken(WebCore::HTMLDocumentParser::SynchronousMode, WebCore::PumpSession&) + 58

36  WebCore                             0x386d83fd WebCore::HTMLDocumentParser::pumpTokenizer(WebCore::HTMLDocumentParser::SynchronousMode) + 194

37  WebCore                             0x387513b1 WebCore::HTMLDocumentParser::append(WebCore::SegmentedString const&) + 170

38  WebCore                             0x38734983 WebCore::DecodedDataDocumentParser::appendBytes(WebCore::DocumentWriter*, char const*, unsigned long) + 196

39  WebCore                             0x3872e60d __ZN7WebCore14DocumentLoader10commitDataEPKcm + 309

40  WebKit                              0x38ff7d41 -[WebHTMLRepresentation receivedData:withDataSource:] + 162

41  WebKit                              0x38ff7bd5 -[WebDataSource(WebInternal) _receivedData:] + 150

42  WebKit                              0x38ff7b21 WebFrameLoaderClient::committedLoad(WebCore::DocumentLoader*, char const*, int) + 98

43  WebCore                             0x3874d439 WebCore::DocumentLoader::commitLoad(char const*, int) + 106

44  WebCore                             0x3874d01f WebCore::ResourceLoader::didReceiveData(char const*, int, long long, bool) + 40

45  WebCore                             0x3874cfaf WebCore::MainResourceLoader::didReceiveData(char const*, int, long long, bool) + 508

46  WebCore                             0x3872b169 WebCore::MainResourceLoader::continueAfterContentPolicy(WebCore::PolicyAction, WebCore::ResourceResponse const&) + 734

47  WebCore                             0x38729ff3 WebCore::MainResourceLoader::didReceiveResponse(WebCore::ResourceResponse const&) + 756

48  WebCore                             0x3892f6ff WebCore::MainResourceLoader::handleDataLoadNow(WebCore::Timer<WebCore::MainResourceLoader>*) + 536

49  WebCore                             0x38744041 WebCore::ThreadTimers::sharedTimerFiredInternal() + 134

50  WebCore                             0x38743f89 WebCore::timerFired(__CFRunLoopTimer*, void*) + 62

51  CoreFoundation                      0x32740857 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 12

52  CoreFoundation                      0x32740503 __CFRunLoopDoTimer + 272

53  CoreFoundation                      0x3273f177 __CFRunLoopRun + 1228

54  CoreFoundation                      0x326b223d _CFRunLoopRunSpecific + 357

55  CoreFoundation                      0x326b20c9 _CFRunLoopRunInMode + 105

56  WebCore                             0x386b1395 RunWebThread(void*) + 442

57  libsystem_c.dylib                   0x3a8a90e1 _pthread_start + 306

Are you sure this isn't from an older version of your app? This matches a trace line for line that was reported for 6.9.2 but was fixed in 6.9.3.