SIGSEGV [S3Response connection:didReceiveResponse:]

[imack]

I have an app in the store which uses an async uploads to S3, however, I'm seeing this error come through my crash handlers.

Binary Image Name Address Symbol

0 latergram 0x000fc8d4 testflight_backtrace
1 latergram 0x000fc114 TFSignalHandler
2 libsystem_platform.dylib 0x38247722 _sigtramp
3 latergram 0x001924be -[S3Response connection:didReceiveResponse:] in S3Response.m on Line 155
4 Foundation 0x2ddda246 __65-[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:]_block_invoke
5 Foundation 0x2ddda188 -[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:]
6 Foundation 0x2ddda0a4 -[NSURLConnectionInternal _withActiveConnectionAndDelegate:]
7 Foundation 0x2ddda062 _NSURLConnectionDidReceiveResponse
8 CFNetwork 0x2d101964 ___ZN27URLConnectionClient_Classic28_delegate_didReceiveResponseEP14_CFURLResponse_block_invoke
9 CFNetwork 0x2d0feeba ___ZN27URLConnectionClient_Classic18_withDelegateAsyncEPKcU13block_pointerFvP16_CFURLConnectionPK33CFURLConnectionClientCurrent_VMaxE_block_invoke_2
10 CoreFoundation 0x2d3ce1d8 CFArrayApplyFunction
11 CFNetwork 0x2d096ad2 _ZN19RunloopBlockContext7performEv
12 CFNetwork 0x2d096990 _ZN17MultiplexerSource7performEv
13 CFNetwork 0x2d096820 _ZN17MultiplexerSource8_performEPv
14 CoreFoundation 0x2d465fe6 CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION
15 CoreFoundation 0x2d4654ae __CFRunLoopDoSources0
16 CoreFoundation 0x2d463c9e __CFRunLoopRun
17 CoreFoundation 0x2d3ce7a8 CFRunLoopRunSpecific
18 CoreFoundation 0x2d3ce58a CFRunLoopRunInMode
19 GraphicsServices 0x3233b6d2 GSEventRunModal
20 UIKit 0x2fd2d890 UIApplicationMain
21 latergram 0x000c045a main in main.m on Line 17
22 libdyld.dylib 0x3812dab6 start

[yosuke-matsuda]

If you are using the latest version of the SDK, S3Response.m on Line 155 is this line of code:

if ([self.request.delegate respondsToSelector:@selector(request:didReceiveResponse:)]) {

Most likely your delegate object is deallocated before it receives all of the delegate methods. You should always keep a strong reference to the delegate object. This blog post may help.

[imack]

@yosukematsuda, thank you for the help. May your test suite be forever green and your Pull Requests always accepted.