Fix using infinite timeout with replication connection (#6464)

vonzshik · vonzshik · commit 0862df4fd7ec · 2026-03-02T16:32:11.000+03:00
Fixes #6456 (cherry picked from commit 4984a2d)
diff --git a/src/Npgsql/Replication/ReplicationConnection.cs b/src/Npgsql/Replication/ReplicationConnection.cs
@@ -892,7 +892,7 @@ void SetTimeouts(TimeSpan readTimeout, TimeSpan writeTimeout)
         var connector = Connector;
         var readBuffer = connector.ReadBuffer;
         if (readBuffer != null)
-            readBuffer.Timeout = readTimeout > TimeSpan.Zero ? readTimeout : TimeSpan.Zero;
+            readBuffer.Timeout = readTimeout > TimeSpan.Zero ? readTimeout : Timeout.InfiniteTimeSpan;
 
         var writeBuffer = connector.WriteBuffer;
         if (writeBuffer != null)
