我的应用程序崩溃了iPhone 5 iOS 6.1.4，它在iOS 5.0,5.1.1,6.1.3上运行良好
异常类型：EXC_BAD_ACCESS（SIGSEGV） 例外代码：0xbbadbeef处的KERN_INVALID_ADDRESS 坠落的线程：6
Thread 6 Crashed:
0 WebCore 0x39558404 _WebTryThreadLock(bool) + 164
1 WebCore 0x395593b2 WebThreadLock + 62
2 UIKit 0x355596e8 -[UIWebDocumentView metadataDictionariesForDictationResults] + 20
3 UIKit 0x35511a98 +[UIDictationController logCorrectionStatistics] + 128
4 UIKit 0x355ce864 -[UITextView resignFirstResponder] + 72
5 UIKit 0x35429f42 -[UIView setUserInteractionEnabled:] + 234
6 Keyless.io 0x0009c4c8 0x99000 + 13512
7 Foundation 0x33f36e80 __NSThread__main__ + 968
8 libsystem_c.dylib 0x3b91b30e _pthread_start + 306
9 libsystem_c.dylib 0x3b91b1d4 thread_start + 4
Thread 6 crashed with ARM Thread State (32-bit):
r0: 0xbbadbeef r1: 0x00000000 r2: 0x0707f51c r3: 0x00000001
r4: 0x1d5e88d0 r5: 0x3d248e30 r6: 0x00000000 r7: 0x0707fb90
r8: 0x3590017f r9: 0x00000900 r10: 0x33f36ab9 r11: 0x00000000
ip: 0x3d1841fc sp: 0x0707fb88 lr: 0x395583fb pc: 0x39558404
cpsr: 0x60000030
请帮助我理解所附崩溃日志的一部分。