Merge pull request #739 from majestrate/udp-tunnel-crash-fix

Udp tunnel crash fix

Datagram.cpp

@@ -243,9 +243,6 @@ namespace datagram
 					if (sz) {
 						auto idx = rand() % sz;
 						m_CurrentRemoteLease = ls[idx];
-					} else {
-						// no more leases, bail
-						LogPrint(eLogWarning, "DatagramSession: no more valid remote leases to ", m_RemoteIdent.ToBase32());
 					}
 				} else {
 					// no remote lease set?
@@ -293,6 +290,7 @@ namespace datagram
 
 	void DatagramSession::HandleLeaseSetUpdated(std::shared_ptr<i2p::data::LeaseSet> ls)
 	{
+		if(!ls) return;
 		// only update lease set if found and newer than previous lease set
 		uint64_t oldExpire = 0;
 		if(m_RemoteLeaseSet) oldExpire = m_RemoteLeaseSet->GetExpirationTime();