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How to solve an iOS crash without app call stack?



Our app is crash online, not in debug mode.

We can not reproduce the crash.

Here is the crash log which caught with bugly.

Anyone could help or some clue, please! [19659005] # 43 Thread

SIGSEGV

SEGV_ACCERR

0 libobjc.A.dylib objc_msgSend + 16
1 CoreFoundation ___CFPropertyListIsValidAux + 56
2 CoreFoundation ___CFPropertyListIsDictPlistAux + 188
3 CoreFoundation ___CFDictionaryApplyFunction_block_invoke + 24
4 CoreFoundation _CFBasicHashApply + 132
5 CoreFoundation CFDictionaryApplyFunction + 180
6 CoreFoundation ___CFPropertyListIsValidAux + 388
7 CoreFoundation CFPropertyListIsValid + 28
8 CFNetwork ___ZN1

2__CFURLCache23CreateAndStoreCacheNodeEP16__CFURLCacheNodePK20_CFCachedURLResponsePK10__CFStringPK13_CFURLRequestPKvbRb_block_invoke + 148
9 libdispatch.dylib __dispatch_call_block_and_release + 24
10 libdispatch.dylib __dispatch_client_callout + 16
11 libdispatch.dylib __dispatch_lane_serial_drain $ VARIANT $ mp + 592
12 libdispatch.dylib __dispatch_lane_invoke $ VARIANT $ mp + 432
13 libdispatch.dylib __dispatch_workloop_worker_thread + 600
14 libsystem_pthread.dylib _pthread_wqthread + 312

 error thread

 device info


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