Introspection format problem/kdbus crash

Havoc Pennington hp at
Mon Oct 22 16:04:11 PDT 2007


Andrew Clunis wrote:
> This causes kdbus to crash on start with:
> terminate called after throwing an instance of 'std::logic_error'
>   what():  DBusObject is not root object, but is not child of another
> DBusObject!
> KCrash: Application 'kdbus' crashing...

Wild guess - maybe you should only handle the Introspect() call if it's 
sent to your object path. It looks like you're sending the reply for the 
/org/bulix/LCD4Linux object regardless of which object was introspected.

If you return NOT_YET_HANDLED if any other object is introspected, then 
libdbus will handle the introspect for you by just listing any 
registered child nodes.

"/* for reasons unknown, this causes !message->in_cache assertion failures."

The reason is that it causes a double-free of the message, since you 
don't own a ref. You don't need to unref there.


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