我的一个应用程序用户遇到了疲惫的崩溃，他向我发送了报告，任何人都可以帮助我找到错误。该应用程序已在使用中，因此需要尽快修复。
他说，当他在一个特定的部分导航时，他遇到了崩溃。一般情况下它不会发生，但如果我们以特定方式进行，它就会崩溃。
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x65436572
Crashed Thread: 0
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0 libobjc.A.dylib 0x3388f5b6 objc_msgSend + 22
1 UIKit 0x3a380ecc __53-[UITableView _configureCellForDisplay:forIndexPath:]_block_invoke_0 + 220
2 UIKit 0x3a1d209e +[UIView(Animation) _performWithoutAnimation:] + 70
3 UIKit 0x3a1d2050 -[UITableView _configureCellForDisplay:forIndexPath:] + 96
4 UIKit 0x3a1cf558 -[UITableView(UITableViewInternal) _createPreparedCellForGlobalRow:withIndexPath:] + 432
5 UIKit 0x3a1b4306 -[UITableView(_UITableViewPrivate) _updateVisibleCellsNow:] + 1306
6 UIKit 0x3a1cb7c2 -[UITableView layoutSubviews] + 202
7 UIKit 0x3a1877fe -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 254
8 QuartzCore 0x397b2d5e -[CALayer layoutSublayers] + 210
9 QuartzCore 0x397b28fc CA::Layer::layout_if_needed(CA::Transaction*) + 456
10 QuartzCore 0x397b3830 CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 12
11 QuartzCore 0x397b3216 CA::Context::commit_transaction(CA::Transaction*) + 234
12 QuartzCore 0x397b3024 CA::Transaction::commit() + 312
13 UIKit 0x3a18d8e6 _afterCACommitHandler + 122
14 CoreFoundation 0x329ab6ca __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 18
15 CoreFoundation 0x329a99bc __CFRunLoopDoObservers + 272
16 CoreFoundation 0x329a9d12 __CFRunLoopRun + 738
17 CoreFoundation 0x3291ceb8 CFRunLoopRunSpecific + 352
18 CoreFoundation 0x3291cd44 CFRunLoopRunInMode + 100
19 GraphicsServices 0x3a71a2e6 GSEventRunModal + 70
20 UIKit 0x3a1d82f4 UIApplicationMain + 1116
21 APP 0x00103f64 main (main.m:15)
22 APP 0x000fe88c start + 36
Thread 1:
0 libsystem_kernel.dylib 0x31bc4d98 __workq_kernreturn + 8
1 libsystem_c.dylib 0x35004cf6 _pthread_workq_return + 14
2 libsystem_c.dylib 0x35004a12 _pthread_wqthread + 362
3 libsystem_c.dylib 0x350048a0 start_wqthread + 4
Thread 2 name: Dispatch queue: com.apple.libdispatch-manager
Thread 2:
0 libsystem_kernel.dylib 0x31bb4648 kevent64 + 24
1 libdispatch.dylib 0x34fd54ec _dispatch_mgr_invoke + 792
2 libdispatch.dylib 0x34fc7df4 _dispatch_mgr_thread$VARIANT$up + 32
Thread 3:
0 libsystem_kernel.dylib 0x31bc4d98 __workq_kernreturn + 8
1 libsystem_c.dylib 0x35004cf6 _pthread_workq_return + 14
2 libsystem_c.dylib 0x35004a12 _pthread_wqthread + 362
3 libsystem_c.dylib 0x350048a0 start_wqthread + 4
Thread 4 name: WebThread
Thread 4:
0 libsystem_kernel.dylib 0x31bb3eb4 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x31bb4048 mach_msg + 36
2 CoreFoundation 0x329ab040 __CFRunLoopServiceMachPort + 124
3 CoreFoundation 0x329a9d9e __CFRunLoopRun + 878
4 CoreFoundation 0x3291ceb8 CFRunLoopRunSpecific + 352
5 CoreFoundation 0x3291cd44 CFRunLoopRunInMode + 100
6 WebCore 0x36c78a40 _ZL12RunWebThreadPv + 440
7 libsystem_c.dylib 0x3500f30e _pthread_start + 306
8 libsystem_c.dylib 0x3500f1d4 thread_start + 4
Thread 5:
0 libsystem_kernel.dylib 0x31bb3eb4 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x31bb4048 mach_msg + 36
2 CoreFoundation 0x329ab040 __CFRunLoopServiceMachPort + 124
3 CoreFoundation 0x329a9d9e __CFRunLoopRun + 878
4 CoreFoundation 0x3291ceb8 CFRunLoopRunSpecific + 352
5 CoreFoundation 0x3291cd44 CFRunLoopRunInMode + 100
6 Foundation 0x3451378a -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 250
7 Foundation 0x345b7058 -[NSRunLoop(NSRunLoop) run] + 76
8 APP 0x0013ee96 +[AFURLConnectionOperation networkRequestThreadEntryPoint:] (AFURLConnectionOperation.m:127)
9 Foundation 0x345c0678 __NSThread__main__ + 968
10 libsystem_c.dylib 0x3500f30e _pthread_start + 306
11 libsystem_c.dylib 0x3500f1d4 thread_start + 4
Thread 6 name: com.apple.NSURLConnectionLoader
Thread 6:
0 libsystem_kernel.dylib 0x31bb3eb4 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x31bb4048 mach_msg + 36
2 CoreFoundation 0x329ab040 __CFRunLoopServiceMachPort + 124
3 CoreFoundation 0x329a9d9e __CFRunLoopRun + 878
4 CoreFoundation 0x3291ceb8 CFRunLoopRunSpecific + 352
5 CoreFoundation 0x3291cd44 CFRunLoopRunInMode + 100
6 Foundation 0x3453cbc8 +[NSURLConnection(Loader) _resourceLoadLoop:] + 304
7 Foundation 0x345c0678 __NSThread__main__ + 968
8 libsystem_c.dylib 0x3500f30e _pthread_start + 306
9 libsystem_c.dylib 0x3500f1d4 thread_start + 4
Thread 7 name: com.apple.CFSocket.private
Thread 7:
0 libsystem_kernel.dylib 0x31bc4594 __select + 20
1 CoreFoundation 0x329af1f2 __CFSocketManager + 674
2 libsystem_c.dylib 0x3500f30e _pthread_start + 306
3 libsystem_c.dylib 0x3500f1d4 thread_start + 4
Thread 8:
0 libsystem_kernel.dylib 0x31bc4d98 __workq_kernreturn + 8
1 libsystem_c.dylib 0x35004cf6 _pthread_workq_return + 14
2 libsystem_c.dylib 0x35004a12 _pthread_wqthread + 362
3 libsystem_c.dylib 0x350048a0 start_wqthread + 4
Thread 9:
0 libsystem_kernel.dylib 0x31bc4d98 __workq_kernreturn + 8
1 libsystem_c.dylib 0x35004cf6 _pthread_workq_return + 14
2 libsystem_c.dylib 0x35004a12 _pthread_wqthread + 362
3 libsystem_c.dylib 0x350048a0 start_wqthread + 4
Thread 10:
0 libsystem_kernel.dylib 0x31bc4d98 __workq_kernreturn + 8
1 libsystem_c.dylib 0x35004cf6 _pthread_workq_return + 14
2 libsystem_c.dylib 0x35004a12 _pthread_wqthread + 362
3 libsystem_c.dylib 0x350048a0 start_wqthread + 4
Thread 0 crashed with ARM Thread State (32-bit):
r0: 0x2fd029f0 r1: 0x3a60c4ec r2: 0x00000000 r3: 0x6543657a
r4: 0x3a60dbc7 r5: 0x00000001 r6: 0x3a60109d r7: 0x2fd029b0
r8: 0x00000000 r9: 0x0e98313b r10: 0x000002f4 r11: 0x2fd029d0
ip: 0x3c399d64 sp: 0x2fd02908 lr: 0x3a380ed1 pc: 0x3388f5b6
cpsr: 0x00000030