I have tried to submit an update for my app and it got rejected.
They say they were unable to review it because the app crashed on launch. I am not able to reproduce this bug even after trying to build an adHoc version and installing it through iTunes as they suggest.
I have used both device and simulator to try to track the crash, unsuccessfully.
I have also looked into this thread that addresses a similar issue : EXC_BAD_ACCESS (SIGSEGV)
As I didn't change anything related to launch since the first version, I am kind of surprised that the app is now crashing...
Here's the crash log that they sent me:
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x00000001aa000400
Triggered by Thread: 0
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0 libsystem_kernel.dylib 0x00000001979b6964 0x19799c000 + 108900
1 AppName 0x000000010022e2e0 0x10009c000 + 1647328
2 libsystem_platform.dylib 0x0000000197a4c958 0x197a48000 + 18776
3 AppName 0x000000010013952c 0x10009c000 + 644396
4 AppName 0x00000001001499d0 0x10009c000 + 711120
5 AppName 0x0000000100138ac0 0x10009c000 + 641728
6 Foundation 0x00000001869f417c 0x18690c000 + 950652
7 CoreFoundation 0x0000000185ab8128 0x1859d8000 + 917800
8 CoreFoundation 0x0000000185ab7dd8 0x1859d8000 + 916952
9 CoreFoundation 0x0000000185ab5824 0x1859d8000 + 907300
10 CoreFoundation 0x00000001859e12d0 0x1859d8000 + 37584
11 GraphicsServices 0x000000018f0cf6f8 0x18f0c4000 + 46840
12 UIKit 0x000000018a5a6fa8 0x18a530000 + 487336
13 AppName 0x00000001000e1934 0x10009c000 + 284980
14 libdyld.dylib 0x000000019789ea04 0x19789c000 + 10756
Thread 1 name: Dispatch queue: com.apple.libdispatch-manager
Thread 1:
0 libsystem_kernel.dylib 0x000000019799cc24 0x19799c000 + 3108
1 libdispatch.dylib 0x0000000197881e6c 0x197870000 + 73324
2 libdispatch.dylib 0x0000000197873998 0x197870000 + 14744
Thread 2:
0 libsystem_kernel.dylib 0x00000001979b7c78 0x19799c000 + 113784
1 libsystem_pthread.dylib 0x0000000197a512d8 0x197a50000 + 4824
2 libsystem_pthread.dylib 0x0000000197a50eec 0x197a50000 + 3820
Thread 3:
0 libsystem_kernel.dylib 0x00000001979b7c78 0x19799c000 + 113784
1 libsystem_pthread.dylib 0x0000000197a512d8 0x197a50000 + 4824
2 libsystem_pthread.dylib 0x0000000197a50eec 0x197a50000 + 3820
Thread 4:
0 libsystem_kernel.dylib 0x00000001979b7c78 0x19799c000 + 113784
1 libsystem_pthread.dylib 0x0000000197a512d8 0x197a50000 + 4824
2 libsystem_pthread.dylib 0x0000000197a50eec 0x197a50000 + 3820
Thread 5 name: Dispatch queue: com.apple.networking.connection.0x134621340
Thread 5:
0 libsystem_kernel.dylib 0x00000001979b68d4 0x19799c000 + 108756
1 libsystem_kernel.dylib 0x00000001979a0dc8 0x19799c000 + 19912
2 libsystem_network.dylib 0x0000000197a29dbc 0x1979fc000 + 187836
3 libsystem_network.dylib 0x0000000197a1db78 0x1979fc000 + 138104
4 libsystem_network.dylib 0x0000000197a22880 0x1979fc000 + 157824
5 libdispatch.dylib 0x0000000197871950 0x197870000 + 6480
6 libdispatch.dylib 0x000000019788800c 0x197870000 + 98316
7 libdispatch.dylib 0x0000000197873ab8 0x197870000 + 15032
8 libdispatch.dylib 0x000000019787c2d0 0x197870000 + 49872
9 libdispatch.dylib 0x0000000197874a58 0x197870000 + 19032
10 libdispatch.dylib 0x000000019787e314 0x197870000 + 58132
11 libdispatch.dylib 0x000000019787fc48 0x197870000 + 64584
12 libsystem_pthread.dylib 0x0000000197a51228 0x197a50000 + 4648
13 libsystem_pthread.dylib 0x0000000197a50eec 0x197a50000 + 3820