Crash in CFNetwork TubeManager

Originator:pavel.d
Number:rdar://36275707 Date Originated:28.12.2017
Status:Open Resolved:no
Product:iOS SDK Product Version:1.0
Classification:crash Reproducible:no
 
Area:
CFNetwork Framework

Summary:
I’ve got 2 crash reports after December 28, 2017 related to CFNetwork framework. In both cases it was iOS 11.2.1 and I’ve never seen these crashes before.

Steps to Reproduce:
Not stable. Appears extremely rarely. According with reports it happened when application is not active. 

Configuration:
It happened on iPhone 7 iOS 11.2.1, iPad Pro iOS 11.2.1.

Thanks.

Thread #2 — CFNetwork — (crashed)

CFNetwork           0x181d43cb8  resolveTubeTypeForKey(HTTPConnectionCacheKey*, CoreLoggable*, TubeType*, __CFArray const**)
  CFNetwork           0x181d11090  TubeManager::_onqueue_enqueueRequestForProtocol(MetaConnectionCacheClient*, HTTPRequestMessage const*, MetaConnectionOptions, BaseAwaitingTube*)
  CFNetwork           0x181d11090  TubeManager::_onqueue_enqueueRequestForProtocol(MetaConnectionCacheClient*, HTTPRequestMessage const*, MetaConnectionOptions, BaseAwaitingTube*)
  CFNetwork           0x181d11fd8  TubeManager::_onqueue_reenqueueAwaitingTube(BaseAwaitingTube*)
  CFNetwork           0x181d12238  ___ZN11TubeManager21_onqueue_newTubeReadyEP4Tube13CFStreamError_block_invoke
  CFNetwork           0x181e70904  ___ZNK18QCoreSchedulingSet12performAsyncEU13block_pointerFvvE_block_invoke
  libdispatch         0x181036a54  _dispatch_call_block_and_release
  libdispatch         0x181036a14  _dispatch_client_callout
  libdispatch         0x18104096c  _dispatch_queue_serial_drain$VARIANT$mp
  libdispatch         0x1810412fc  _dispatch_queue_invoke$VARIANT$mp
  libdispatch         0x181040824  _dispatch_queue_serial_drain$VARIANT$mp
  libdispatch         0x1810412fc  _dispatch_queue_invoke$VARIANT$mp
  libdispatch         0x181041d20  _dispatch_root_queue_drain_deferred_wlh$VARIANT$mp
  libdispatch         0x18104a03c  _dispatch_workloop_worker_thread$VARIANT$mp
  libsystem_pthread   0x1812def1c  _pthread_wqthread

Comments

Were you ever able to solve this? I'm seeing this crash much more as our iOS 11 users increase.

I have about 400 crashes in the last 30 days with a little over 10k users

By srscottrobbins at Jan. 8, 2018, 3:50 p.m. (reply...)

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