Patric Stout f656b0ae96 Fix: use-after-free after ClientNetworkCoordinatorSocketHandler::CloseAllConnections() (#9534) ...

The function clears all stun-handlers. This causes all of those
objects to be destroyed.
A handler can have a pending connecter, which was only killed in
case CloseConnection() was called. This is never the case when
the object is destroyed. In result, the connecter could finish
and cause a use-after-free by calling into the (now deleted)
handler.

2021-09-05 18:17:39 +02:00

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