Fix handling of connections without process

network/clean.go

@@ -69,13 +69,16 @@ func cleanConnections() (activePIDs map[int]struct{}) {
 					PID:      process.UndefinedProcessID,
 				}, now)
 
-				activePIDs[conn.process.Pid] = struct{}{}
-
+				// Step 2: mark as ended
 				if !exists {
-					// Step 2: mark end
 					conn.Ended = nowUnix
 					conn.Save()
 				}
+
+				// If the connection has an associated process, add its PID to the active PID list.
+				if conn.process != nil {
+					activePIDs[conn.process.Pid] = struct{}{}
+				}
 			case conn.Ended < deleteOlderThan:
 				// Step 3: delete
 				// DEBUG:

network/connection.go

@@ -656,14 +656,21 @@ func (conn *Connection) Failed(reason, reasonOptionKey string) {
 func (conn *Connection) SetVerdict(newVerdict Verdict, reason, reasonOptionKey string, reasonCtx interface{}) (ok bool) {
 	conn.SetVerdictDirectly(newVerdict)
 
+	// Set reason and context.
 	conn.Reason.Msg = reason
 	conn.Reason.Context = reasonCtx
 
+	// Reset option key.
 	conn.Reason.OptionKey = ""
 	conn.Reason.Profile = ""
-	if reasonOptionKey != "" && conn.Process() != nil {
-		conn.Reason.OptionKey = reasonOptionKey
-		conn.Reason.Profile = conn.Process().Profile().GetProfileSource(conn.Reason.OptionKey)
+
+	// Set option key if data is available.
+	if reasonOptionKey != "" {
+		lp := conn.Process().Profile()
+		if lp != nil {
+			conn.Reason.OptionKey = reasonOptionKey
+			conn.Reason.Profile = lp.GetProfileSource(conn.Reason.OptionKey)
+		}
 	}
 
 	return true // TODO: remove

process/database.go

@@ -111,7 +111,8 @@ func CleanProcessStorage(activePIDs map[int]struct{}) {
 		// The PID of a process does not change.
 
 		// Check if this is a special process.
-		if p.Pid == UnidentifiedProcessID || p.Pid == SystemProcessID {
+		switch p.Pid {
+		case UnidentifiedProcessID, UnsolicitedProcessID, SystemProcessID:
 			p.profile.MarkStillActive()
 			continue
 		}