我的应用程序经常与SIGSEGV崩溃。不幸的是，我无法重现崩溃，只看到Hockeyapp的崩溃报告。我也试过打开僵尸。
查看崩溃报告，似乎应用程序在处理触摸时崩溃（当用户滚动或类似这样的事情时）。没有我的应用程序代码在堆栈跟踪中提到。
问题是：在这种情况下如何才能有内存问题？你会建议什么来重现并解决这个问题？
Exception Type: SIGSEGV
Exception Codes: SEGV_ACCERR at 0x71a86113
Crashed Thread: 0
Application Specific Information:
objc_msgSend() selector name: convertPoint:fromLayer:
Thread 0 Crashed:
0 libobjc.A.dylib 0x2106fae6 objc_msgSend_stret + 6
1 UIKit 0x25e7a349 -[UIView(Geometry) convertPoint:fromView:] + 98
2 UIKit 0x25e7e987 __38-[UIView(Geometry) hitTest:withEvent:]_block_invoke + 104
3 CoreFoundation 0x217e8279 __53-[__NSArrayM enumerateObjectsWithOptions:usingBlock:]_block_invoke + 86
4 CoreFoundation 0x217e81a7 -[__NSArrayM enumerateObjectsWithOptions:usingBlock:] + 248
5 UIKit 0x25e7e447 -[UIView(Geometry) hitTest:withEvent:] + 492
6 UIKit 0x26146f0d -[UIView(Geometry) _hitTest:withEvent:windowServerHitTestWindow:] + 62
7 UIKit 0x25e7e9bd __38-[UIView(Geometry) hitTest:withEvent:]_block_invoke + 158
8 CoreFoundation 0x217e8279 __53-[__NSArrayM enumerateObjectsWithOptions:usingBlock:]_block_invoke + 86
9 CoreFoundation 0x217e81a7 -[__NSArrayM enumerateObjectsWithOptions:usingBlock:] + 248
10 UIKit 0x25e7e447 -[UIView(Geometry) hitTest:withEvent:] + 492
11 UIKit 0x26146f0d -[UIView(Geometry) _hitTest:withEvent:windowServerHitTestWindow:] + 62
12 UIKit 0x26136491 __70+[UIWindow _hitTestToPoint:forEvent:windowServerHitTestWindow:screen:]_block_invoke + 186
13 UIKit 0x25e4783f +[UIWindow _topVisibleWindowPassingTest:] + 156
14 UIKit 0x26136399 +[UIWindow _hitTestToPoint:forEvent:windowServerHitTestWindow:screen:] + 142
15 UIKit 0x26136629 -[UIWindow _targetWindowForPathIndex:atPoint:forEvent:windowServerHitTestWindow:onScreen:] + 158
16 UIKit 0x260ffb61 _UIApplicationHandleDigitizerEvent + 10982
17 UIKit 0x25e4123f _UIApplicationHandleEventQueue + 3836
18 CoreFoundation 0x21889dff __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 12
19 CoreFoundation 0x218899ed __CFRunLoopDoSources0 + 450
20 CoreFoundation 0x21887d5b __CFRunLoopRun + 792
21 CoreFoundation 0x217d7229 CFRunLoopRunSpecific + 518
22 CoreFoundation 0x217d7015 CFRunLoopRunInMode + 106
23 GraphicsServices 0x22dc7ac9 GSEventRunModal + 158
24 UIKit 0x25eab189 UIApplicationMain + 142
25 My App. 0x0005376b main (main.m:14)
26 ??? 0x2147f873 0x0 + 0