[Merge] ~kzapalowicz/bluez:fix/cherrypick-from-upstream-sony-crash into ~bluetooth/bluez:artful

[Daniel van Vugt]

Review: Approve

Looks good to me. That's the same as what I was going to do...

I was hoping we could figure out the exact bug ID of the crash in advance but I think this is going to be one of those we confirm afterwards (when errors.ubuntu.com shows a crash has stopped happening in version 5.46-0ubuntu2).
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https://code.launchpad.net/~kzapalowicz/bluez/+git/bluez/+merge/329308
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