Greg Mann created MESOS-6802:
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Summary: SSL socket can lose bytes in the case of EOF
Key: MESOS-6802
URL: https://issues.apache.org/jira/browse/MESOS-6802
Project: Mesos
Issue Type: Bug
Components: libprocess
Reporter: Greg Mann
During recent work on SSL-enabled tests in libprocess (MESOS-5966), we
discovered a bug in {{LibeventSSLSocketImpl}}, wherein the socket can either
fail to receive an EOF, or lose data when an EOF is received.
The {{LibeventSSLSocketImpl::event_callback(short events)}} method immediately
sets any pending {{RecvRequest}}'s promise to zero upon receipt of an EOF.
However, at the time the promise is set, there may actually be data waiting to
be read by libevent. Upon receipt of an EOF, we should attempt to read the
socket's bufferevent first to ensure that we aren't losing any data previously
received by the socket.
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