Hello,

We have done some further investigation.
During device pairing bluez is crashing.
>From debugging I can see the 2 hog services with the correct attributes, then 
>one of the 2 hog services is reaching ref_count 0, hence it is getting freed, 
>but on the next read bluez is trying to use a corrupted hog service and during 
>reading its attributes we are receiving the segfault.
With normal behavior the next step would be "Report characteristic descriptor 
written: notifications enabled", but crashes right before that.

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https://bugs.launchpad.net/bugs/1836809

Title:
  segfault when CCD are present in two different HOG services

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