Como resolver KERN_INVALID_ADDRESS em EXC_BAD_ACCESS (SIGSEGV)

No meu mac OSX snow leopard e no xcode 4.1 e no último SDK, meu aplicativo trava no meu telefone, mas no meu amigo ele não trava.

Estou com esse erro, inicio meu aplicativo, aguardo o feed RSS e depois de 2/3 segundos ele travou: Obrigado por sua ajuda ....

Date/Time:       2011-10-07 10:15:54.675 +0200
OS Version:      iPhone OS 4.3.3 (8J2)
Report Version:  104

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x2040b743
Crashed Thread:  6

Thread 0 name:  Dispatch queue: com.apple.main-thread
Thread 0:
0   libsystem_kernel.dylib          0x332a5c00 mach_msg_trap + 20
1   libsystem_kernel.dylib          0x332a5758 mach_msg + 44
2   CoreFoundation                  0x329382b8 __CFRunLoopServiceMachPort + 88
3   CoreFoundation                  0x3293a562 __CFRunLoopRun + 350
4   CoreFoundation                  0x328caebc CFRunLoopRunSpecific + 224
5   CoreFoundation                  0x328cadc4 CFRunLoopRunInMode + 52
6   GraphicsServices                0x33433418 GSEventRunModal + 108
7   GraphicsServices                0x334334c4 GSEventRun + 56
8   UIKit                           0x32417d62 -[UIApplication _run] + 398
9   UIKit                           0x32415800 UIApplicationMain + 664

Thread 1:
0   libsystem_kernel.dylib          0x332a83ec __workq_kernreturn + 8
1   libsystem_c.dylib               0x32c966d8 _pthread_wqthread + 592
2   libsystem_c.dylib               0x32c96bbc start_wqthread + 0

Thread 2 name:  Dispatch queue: com.apple.libdispatch-manager
Thread 2:
0   libsystem_kernel.dylib          0x332a8fbc kevent + 24
1   libdispatch.dylib               0x30205032 _dispatch_mgr_invoke + 706
2   libdispatch.dylib               0x3020603a _dispatch_queue_invoke + 86
3   libdispatch.dylib               0x302055ea _dispatch_worker_thread2 + 186
4   libsystem_c.dylib               0x32c9658a _pthread_wqthread + 258
5   libsystem_c.dylib               0x32c96bbc start_wqthread + 0

Thread 3:
0   libsystem_kernel.dylib          0x332a7d18 __semwait_signal + 24
1   libsystem_c.dylib               0x32cbc860 _pthread_cond_wait + 756
2   libsystem_c.dylib               0x32c63eb2 pthread_cond_wait + 26
3   Foundation                      0x33846904 -[NSCondition wait] + 164
4   Cyntact.dylib                   0x0019cebe 0x19c000 + 3774
5   Foundation                      0x33839382 -[NSThread main] + 38
6   Foundation                      0x338ab5c6 __NSThread__main__ + 966
7   libsystem_c.dylib               0x32c9530a _pthread_start + 242
8   libsystem_c.dylib               0x32c96bb4 thread_start + 0

Thread 4 name:  WebThread
Thread 4:
0   libsystem_kernel.dylib          0x332a5c00 mach_msg_trap + 20
1   libsystem_kernel.dylib          0x332a5758 mach_msg + 44
2   CoreFoundation                  0x329382b8 __CFRunLoopServiceMachPort + 88
3   CoreFoundation                  0x3293a562 __CFRunLoopRun + 350
4   CoreFoundation                  0x328caebc CFRunLoopRunSpecific + 224
5   CoreFoundation                  0x328cadc4 CFRunLoopRunInMode + 52
6   WebCore                         0x3114b27e RunWebThread(void*) + 382
7   libsystem_c.dylib               0x32c9530a _pthread_start + 242
8   libsystem_c.dylib               0x32c96bb4 thread_start + 0

Thread 5:
0   libsystem_kernel.dylib          0x332a5c00 mach_msg_trap + 20
1   libsystem_kernel.dylib          0x332a5758 mach_msg + 44
2   CoreFoundation                  0x329382b8 __CFRunLoopServiceMachPort + 88
3   CoreFoundation                  0x3293a562 __CFRunLoopRun + 350
4   CoreFoundation                  0x328caebc CFRunLoopRunSpecific + 224
5   CoreFoundation                  0x3290d6d2 CFRunLoopRun + 42
6                               0x0003f96a 0x1000 + 256362
7   Foundation                      0x33839382 -[NSThread main] + 38
8   Foundation                      0x338ab5c6 __NSThread__main__ + 966
9   libsystem_c.dylib               0x32c9530a _pthread_start + 242
10  libsystem_c.dylib               0x32c96bb4 thread_start + 0

**Thread 6 Crashed:
0   libobjc.A.dylib                 0x32da1c98 objc_msgSend + 16
1   CoreFoundation                  0x328c519a CFRelease + 62
2   CFNetwork                       0x3563c378 HTTPMessage::~HTTPMessage() + 56
3   CFNetwork                       0x3563c336 HTTPMessage::~HTTPMessage() + 2
4   CFNetwork                       0x3563c262 CFClass::FinalizeObj(void const*) + 10
5   CoreFoundation                  0x328c5288 _CFRelease + 160
6   CoreFoundation                  0x328c51ae CFRelease + 82
7   CFNetwork                       0x3564ad52 HTTPReadFilter::~HTTPReadFilter() + 82
8   CFNetwork                       0x3564acf6 HTTPReadFilter::~HTTPReadFilter() + 2
9   CFNetwork                       0x3563c262 CFClass::FinalizeObj(void const*) + 10
10  CoreFoundation                  0x328c5288 _CFRelease + 160
11  CoreFoundation                  0x328c51ae CFRelease + 82
12  CFNetwork                       0x356ba7cc HTTPReadFilter::readStreamFinalize(__CFReadStream*) + 4
13  CFNetwork                       0x3564acea CFNetworkReadStream::httpStreamFinalize(__CFReadStream*, void*) + 10
14  CoreFoundation                  0x32940bd8 __CFStreamDeallocate + 120
15  CoreFoundation                  0x328c5288 _CFRelease + 160
16  CoreFoundation                  0x328c51ae CFRelease + 82
17  CFNetwork                       0x3564a7fc NetConnection::shutdownConnectionStreams() + 64
18  CFNetwork                       0x356b7b38 NetConnection::closeStreamsIfPossibleOrSignalThatThatNeedsToBeDonePrettyPlease() + 20
19  CFNetwork                       0x3568e018 NetConnection::doNotAllowMoreReqeusts() + 24
20  CFNetwork                       0x356c9324 UnauthConnectionArray::removeValueAtIndex(long) + 28
21  CFNetwork                       0x356c7ade HTTPConnectionCacheEntry::removeAllConnections() + 46
22  CFNetwork                       0x356c77ac HTTPConnectionCacheEntry::setHasBeenForgotten() + 20
23  CFNetwork                       0x356c78fc HTTPConnectionCacheDictionary::forgetCacheEntries() + 60
24  CFNetwork                       0x356c792c ConnectionCacheTLS::resetCacheForThisThread() + 12
25  CFNetwork                       0x35648aa0 ConnectionTimerTLS::_timerPurgeEntries(__CFRunLoopTimer*, void*) + 12
26  CoreFoundation                  0x32937a40 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 8
27  CoreFoundation                  0x32939ec4 __CFRunLoopDoTimer + 844
28  CoreFoundation                  0x3293a83e __CFRunLoopRun + 1082
29  CoreFoundation                  0x328caebc CFRunLoopRunSpecific + 224
30  CoreFoundation                  0x328cadc4 CFRunLoopRunInMode + 52
31  Foundation                      0x338467f6 +[NSURLConnection(NSURLConnectionReallyInternal) _resourceLoadLoop:] + 206
32  Foundation                      0x33839382 -[NSThread main] + 38
33  Foundation                      0x338ab5c6 __NSThread__main__ + 966
34  libsystem_c.dylib               0x32c9530a _pthread_start + 242
35  libsystem_c.dylib               0x32c96bb4 thread_start + 0**

Thread 7 name:  com.apple.CFSocket.private
Thread 7:
0   libsystem_kernel.dylib          0x332a7c60 __select + 20
1   CoreFoundation                  0x3293d8f2 __CFSocketManager + 582
2   libsystem_c.dylib               0x32c9530a _pthread_start + 242
3   libsystem_c.dylib               0x32c96bb4 thread_start + 0

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