ios


iOS Bugsnag exception - EXC_BAD_ACCESS _dispatch_dispose Attempted to dereference garbage pointer


I have an iOS application in production and received the below Bugsnag exception which I am not able to recreate. Can anyone help me to understand what's going on here as the attached stack trace doesn't help me to identify where exactly this is originating.
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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