我在iOS 7中运行的应用程序中遇到了奇怪的崩溃但在iOS 6应用程序中工作正常。我正在进行一些操作。完成5-6次操作后，我遇到了这次崩溃。这个数字也可以达到20或1。用此附加崩溃日志。
Incident Identifier: 6702CA20-9832-4305-B723-588C6B33C199
CrashReporter Key: 0370a1a51d424d34102c66389c6b00b12585aa57
Hardware Model: iPad2,5
Process: mobile [2958]
Path:
Identifier:
Version: 2.0.0.401
Code Type: ARM (Native)
Parent Process: launchd [1]
Date/Time: 2014-06-02 13:35:50.243 +0530
OS Version: iOS 7.0.6 (11B651)
Report Version: 104
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0xef264ee9
Triggered by Thread: 0
Thread 0 Crashed:
0 libobjc.A.dylib 0x3af9eb22 objc_msgSend + 2
1 UIFoundation 0x38384d5e -[NSParagraphStyle _deallocExtraData] + 54
2 UIFoundation 0x383858ca -[NSParagraphStyle dealloc] + 22
3 CoreFoundation 0x3073d650 CFRelease + 552
4 CoreFoundation 0x30749a1e -[__NSDictionaryM dealloc] + 130
5 libobjc.A.dylib 0x3afaeb06 objc_object::sidetable_release(bool) + 170
6 UIKit 0x3304be68 -[UILabel dealloc] + 116
7 UIKit 0x32f80402 -[UIView dealloc] + 362
8 UIKit 0x3305223a -[UIScrollView dealloc] + 830
9 UIKit 0x33051cb4 -[UIScrollView removeFromSuperview] + 60
10 UIKit 0x32f80402 -[UIView dealloc] + 362
11 UIKit 0x33199088 -[_UIModalItemContentView dealloc] + 116
12 UIKit 0x3323d432 -[_UIModalItemAlertContentView dealloc] + 70
13 libobjc.A.dylib 0x3afa0002 (anonymous namespace)::AutoreleasePoolPage::pop(void*) + 354
14 CoreFoundation 0x3074097c _CFAutoreleasePoolPop + 12
15 CoreFoundation 0x307d80dc __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 12
16 CoreFoundation 0x307d7cf2 __CFRunLoopDoTimer + 778
17 CoreFoundation 0x307d608e __CFRunLoopRun + 1206
18 CoreFoundation 0x30740c22 CFRunLoopRunSpecific + 518
19 CoreFoundation 0x30740a06 CFRunLoopRunInMode + 102
20 GraphicsServices 0x3543427e GSEventRunModal + 134
21 UIKit 0x32fe4044 UIApplicationMain + 1132
22 mobile 0x0005d2c2 main (main.m:15)
23 libdyld.dylib 0x3b4abab4 start + 0
Thread 1:
0 libsystem_kernel.dylib 0x3b54f83c kevent64 + 24
1 libdispatch.dylib 0x3b490210 _dispatch_mgr_invoke + 228
2 libdispatch.dylib 0x3b48ff96 _dispatch_mgr_thread$VARIANT$mp + 34
Thread 2 name: WebThread
Thread 2:
0 libsystem_kernel.dylib 0x3b54fa8c mach_msg_trap + 20
1 libsystem_kernel.dylib 0x3b54f888 mach_msg + 44
2 CoreFoundation 0x307d77be __CFRunLoopServiceMachPort + 150
3 CoreFoundation 0x307d5ee4 __CFRunLoopRun + 780
4 CoreFoundation 0x30740c22 CFRunLoopRunSpecific + 518
5 CoreFoundation 0x30740a06 CFRunLoopRunInMode + 102
6 WebCore 0x3894e266 RunWebThread(void*) + 414
7 libsystem_pthread.dylib 0x3b5cac1a _pthread_body + 138
8 libsystem_pthread.dylib 0x3b5cab8a _pthread_start + 98
9 libsystem_pthread.dylib 0x3b5c8c8c thread_start + 4
Thread 3:
0 libsystem_kernel.dylib 0x3b54fa8c mach_msg_trap + 20
1 libsystem_kernel.dylib 0x3b54f888 mach_msg + 44
2 CoreFoundation 0x307d77be __CFRunLoopServiceMachPort + 150
3 CoreFoundation 0x307d5ee4 __CFRunLoopRun + 780
4 CoreFoundation 0x30740c22 CFRunLoopRunSpecific + 518
5 CoreFoundation 0x30740a06 CFRunLoopRunInMode + 102
6 libAVFAudio.dylib 0x2f7c3584 GenericRunLoopThread::Entry(void*) + 124
7 libAVFAudio.dylib 0x2f7b799c CAPThread::Entry(CAPThread*) + 176
8 libsystem_pthread.dylib 0x3b5cac1a _pthread_body + 138
9 libsystem_pthread.dylib 0x3b5cab8a _pthread_start + 98
10 libsystem_pthread.dylib 0x3b5c8c8c thread_start + 4
Thread 4 name: com.apple.CFSocket.private
Thread 4:
0 libsystem_kernel.dylib 0x3b562440 __select + 20
1 CoreFoundation 0x307db680 __CFSocketManager + 480
2 libsystem_pthread.dylib 0x3b5cac1a _pthread_body + 138
3 libsystem_pthread.dylib 0x3b5cab8a _pthread_start + 98
4 libsystem_pthread.dylib 0x3b5c8c8c thread_start + 4
Thread 5 name: GCDAsyncSocket-CFStream
Thread 5:
0 libsystem_kernel.dylib 0x3b54fa8c mach_msg_trap + 20
1 libsystem_kernel.dylib 0x3b54f888 mach_msg + 44
2 CoreFoundation 0x307d77be __CFRunLoopServiceMachPort + 150
3 CoreFoundation 0x307d5ee4 __CFRunLoopRun + 780
4 CoreFoundation 0x30740c22 CFRunLoopRunSpecific + 518
5 CoreFoundation 0x30740a06 CFRunLoopRunInMode + 102
6 Foundation 0x3112e3d6 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 250
7 Foundation 0x3117f30c -[NSRunLoop(NSRunLoop) run] + 76
8 mobile 0x000f6228 +[GCDAsyncSocket cfstreamThread] (GCDAsyncSocket.m:6741)
9 Foundation 0x311f0c82 __NSThread__main__ + 1058
10 libsystem_pthread.dylib 0x3b5cac1a _pthread_body + 138
11 libsystem_pthread.dylib 0x3b5cab8a _pthread_start + 98
12 libsystem_pthread.dylib 0x3b5c8c8c thread_start + 4
Thread 6 name: com.apple.NSURLConnectionLoader
Thread 6:
0 libsystem_kernel.dylib 0x3b54fa8c mach_msg_trap + 20
1 libsystem_kernel.dylib 0x3b54f888 mach_msg + 44
2 CoreFoundation 0x307d77be __CFRunLoopServiceMachPort + 150
3 CoreFoundation 0x307d5ee4 __CFRunLoopRun + 780
4 CoreFoundation 0x30740c22 CFRunLoopRunSpecific + 518
5 CoreFoundation 0x30740a06 CFRunLoopRunInMode + 102
6 Foundation 0x3117b2f2 +[NSURLConnection(Loader) _resourceLoadLoop:] + 314
7 Foundation 0x311f0c82 __NSThread__main__ + 1058
8 libsystem_pthread.dylib 0x3b5cac1a _pthread_body + 138
9 libsystem_pthread.dylib 0x3b5cab8a _pthread_start + 98
10 libsystem_pthread.dylib 0x3b5c8c8c thread_start + 4
Thread 7:
0 libsystem_kernel.dylib 0x3b54fa8c mach_msg_trap + 20
1 libsystem_kernel.dylib 0x3b54f888 mach_msg + 44
2 CoreFoundation 0x307d77be __CFRunLoopServiceMachPort + 150
3 CoreFoundation 0x307d5ee4 __CFRunLoopRun + 780
4 CoreFoundation 0x30740c22 CFRunLoopRunSpecific + 518
5 CoreFoundation 0x30784736 CFRunLoopRun + 94
6 CoreMotion 0x30df7230 ___lldb_unnamed_function1404$$CoreMotion + 724
7 libsystem_pthread.dylib 0x3b5cac1a _pthread_body + 138
8 libsystem_pthread.dylib 0x3b5cab8a _pthread_start + 98
9 libsystem_pthread.dylib 0x3b5c8c8c thread_start + 4
Thread 8:
0 libsystem_kernel.dylib 0x3b562c7c __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x3b5c8dc6 _pthread_wqthread + 306
2 libsystem_pthread.dylib 0x3b5c8c80 start_wqthread + 4
Thread 9:
0 libsystem_kernel.dylib 0x3b562c7c __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x3b5c8dc6 _pthread_wqthread + 306
2 libsystem_pthread.dylib 0x3b5c8c80 start_wqthread + 4
Thread 10:
0 libsystem_kernel.dylib 0x3b562c7c __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x3b5c8dc6 _pthread_wqthread + 306
2 libsystem_pthread.dylib 0x3b5c8c80 start_wqthread + 4
Thread 11:
0 libsystem_kernel.dylib 0x3b562440 __select + 20
1 ExternalAccessory 0x31119352 -[EAInputStream _readInputFromAccThread] + 342
2 Foundation 0x311f0c82 __NSThread__main__ + 1058
3 libsystem_pthread.dylib 0x3b5cac1a _pthread_body + 138
4 libsystem_pthread.dylib 0x3b5cab8a _pthread_start + 98
5 libsystem_pthread.dylib 0x3b5c8c8c thread_start + 4
Thread 12:
0 libsystem_kernel.dylib 0x3b562c7c __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x3b5c8dc6 _pthread_wqthread + 306
2 libsystem_pthread.dylib 0x3b5c8c80 start_wqthread + 4
Thread 0 crashed with ARM Thread State (32-bit):
r0: 0xef264ee9 r1: 0x33566b29 r2: 0x3cf673f0 r3: 0x00000001
r4: 0x160815a0 r5: 0x33566b29 r6: 0x0000002c r7: 0x27dc88ac
r8: 0x160815a4 r9: 0x158af438 r10: 0x14e8846c r11: 0x14e88430
ip: 0x3cf59864 sp: 0x27dc88a0 lr: 0x38384d63 pc: 0x3af9eb22
cpsr: 0x20000030
答案 0 :(得分：1)
当警报内的UIScrollView内的UILabel被取消分配时，您的应用程序崩溃了。我怀疑你的应用程序覆盖了内存，这只是一个症状，或者你以非标准的方式使用某些警报，可能会以错误的方式更改警报中某处的段落样式。
第一步是在编译器中打开所有合理的警告，使用静态分析器查找问题，并修复所有问题。