IOS Bugsnag exception - EXC_BAD_ACCESS _dispatch_dispose Attempt to dereference garbage pointer

I have an iOS app and I got the following Bugsnag exception that I cannot recreate. Can someone help me understand what is going on here, since the associated stack trace does not help me determine where exactly this is going from.

EXC_BAD_ACCESS Attempted to dereference garbage pointer 0xed03a. /usr/lib/system/libdispatch.dylib _dispatch_dispose /usr/lib/system/libdispatch.dylib -[OS_dispatch_object _xref_dispose] /usr/lib/system/libdispatch.dylib __destroy_helper_block_ /usr/lib/system/libsystem_blocks.dylib _Block_release Frameworks/CoreFoundation.framework/CoreFoundation __CFArrayReleaseValues Frameworks/CoreFoundation.framework/CoreFoundation CFRelease Frameworks/CFNetwork.framework/CFNetwork _ZN19RunloopBlockContext7performEv Frameworks/CFNetwork.framework/CFNetwork _ZN17MultiplexerSource7performEv Frameworks/CFNetwork.framework/CFNetwork _ZN17MultiplexerSource8_performEPv Frameworks/CoreFoundation.framework/CoreFoundation __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ Frameworks/CoreFoundation.framework/CoreFoundation __CFRunLoopDoSources0 Frameworks/CoreFoundation.framework/CoreFoundation __CFRunLoopRun Frameworks/CoreFoundation.framework/CoreFoundation CFRunLoopRunSpecific Frameworks/CFNetwork.framework/CFNetwork +[NSURLConnection(Loader) _resourceLoadLoop:] Frameworks/Foundation.framework/Foundation __NSThread__start__ /usr/lib/system/libsystem_pthread.dylib _pthread_body /usr/lib/system/libsystem_pthread.dylib _pthread_start 
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Source: https://habr.com/ru/post/1243929/


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