2.10.18， 连续调用拷贝对象方法会触发闪退

[CoderZmu]

调用 - (OSSTask *)copyObject:(OSSCopyObjectRequest *)request 方法会触发闪退， 奔溃日志如下

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000000
Exception Codes: 0x0000000000000001, 0x0000000000000000
VM Region Info: 0 is not in any region.  Bytes before following region: 4369498112
      REGION TYPE                 START - END      [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL
      UNUSED SPACE AT START
--->  
      __TEXT                   104714000-104a80000 [ 3504K] r-x/r-x SM=COW  ...am.app/XXXX
Termination Reason: SIGNAL 11 Segmentation fault: 11
Terminating Process: exc handler [2006]

Triggered by Thread:  12

Thread 12 name:
Thread 12 Crashed:
0   CoreFoundation                	0x0000000198b66170 __CFBasicHashRehash + 728 (CFBasicHash.c:0)
1   CoreFoundation                	0x0000000198b65b98 __CFBasicHashAddValue + 100 (CFBasicHash.c:1292)
2   CoreFoundation                	0x0000000198b56e80 CFDictionarySetValue + 208 (CFDictionary.c:483)
3   CFNetwork                     	0x0000000199e2b610 HTTPHeaderDict::setValue(HTTPHeaderKeyMixedValue const&, HTTPHeaderValueMixedValue const&) + 144 (HTTPHeaderDict.cpp:104)
4   CFNetwork                     	0x0000000199d02408 HTTPMessage::setHeaderFieldStringValue(__CFString const*, __CFString const*) + 100 (HTTPMessage.cpp:219)
5   CFNetwork                     	0x0000000199c25940 CFURLRequestSetHTTPHeaderFieldValue + 136 (CFURLRequest.c:220)
6   AliyunOSSiOS                  	0x000000011f0562cc -[OSSNetworkingRequestDelegate buildInternalHttpRequest] + 3812 (OSSNetworkingRequestDelegate.m:174)
7   AliyunOSSiOS                  	0x000000011f059c1c __63-[OSSTask continueWithExecutor:successBlock:cancellationToken:]_block_invoke + 76 (OSSTask.m:482)
8   AliyunOSSiOS                  	0x000000011f059414 __56-[OSSTask continueWithExecutor:block:cancellationToken:]_block_invoke + 128 (OSSTask.m:400)
9   AliyunOSSiOS                  	0x000000011f042618 __30+[OSSExecutor defaultExecutor]_block_invoke_2 + 128 (OSSExecutor.m:65)
10  AliyunOSSiOS                  	0x000000011f042ac4 -[OSSExecutor execute:] + 60 (OSSExecutor.m:131)
11  AliyunOSSiOS                  	0x000000011f0590a4 -[OSSTask runContinuations] + 272 (OSSTask.m:374)
12  AliyunOSSiOS                  	0x000000011f058bb8 -[OSSTask trySetResult:] + 112 (OSSTask.m:295)
13  AliyunOSSiOS                  	0x000000011f05a4ac -[OSSTaskCompletionSource setResult:] + 60 (OSSTaskCompletionSource.m:46)
14  AliyunOSSiOS                  	0x000000011f059960 __56-[OSSTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 + 460 (OSSTask.m:424)
15  AliyunOSSiOS                  	0x000000011f0594b0 __56-[OSSTask continueWithExecutor:block:cancellationToken:]_block_invoke + 284 (OSSTask.m:432)
16  Foundation                    	0x0000000197b3bcb8 __NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK__ + 24 (NSOperation.m:1545)
17  Foundation                    	0x0000000197b6d13c -[NSBlockOperation main] + 104 (NSOperation.m:1564)
18  Foundation                    	0x0000000197b6a9c4 __NSOPERATION_IS_INVOKING_MAIN__ + 16 (NSOperation.m:2189)
19  Foundation                    	0x0000000197b69ab4 -[NSOperation start] + 648 (NSOperation.m:1406)
20  Foundation                    	0x0000000197b6c5cc __NSOPERATIONQUEUE_IS_STARTING_AN_OPERATION__ + 16 (NSOperation.m:2220)
21  Foundation                    	0x0000000197b6c338 __NSOQSchedule_f + 172 (NSOperation.m:2231)
22  libdispatch.dylib             	0x00000001a0b20250 _dispatch_block_async_invoke2 + 148 (queue.c:555)
23  libdispatch.dylib             	0x00000001a0b11300 _dispatch_client_callout + 20 (object.m:561)
24  libdispatch.dylib             	0x00000001a0b147b8 _dispatch_continuation_pop + 600 (queue.c:306)
25  libdispatch.dylib             	0x00000001a0b13dd4 _dispatch_async_redirect_invoke + 584 (queue.c:830)
26  libdispatch.dylib             	0x00000001a0b22be4 _dispatch_root_queue_drain + 392 (queue.c:7051)
27  libdispatch.dylib             	0x00000001a0b233ec _dispatch_worker_thread2 + 156 (queue.c:7119)
28  libsystem_pthread.dylib       	0x00000002025b1928 _pthread_wqthread + 228 (pthread.c:2642)
29  libsystem_pthread.dylib       	0x00000002025b1a04 start_wqthread + 8 (:-1)

[wushuai1415]

看下代码