[THRIFT-3564] C++/Qt: potential core dump in TQTcpServer in case an exception occurs in TAsyncProcessor::process()

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.9.3, 0.10.0
• Fix Version/s: 0.10.0
• Component/s: C++ - Library
• Labels: easyfix
• Assignee: Sebastian Zenker
• Reporter: Sebastian Zenker
• Created: 18/Jan/16 08:33
• Updated: 20/Feb/21 15:27
• Resolved: 02/Feb/16 17:35

Description

It's undefined behaviour, if a Qt object (sender) get's deleted while executing on of it's slots. This can happen in case an exception occurs in TQTcpServer::beginDecode() as the call to ctxMap_.erase() will delete the sender of the Qt signal.