Merge pull request #3268 from lucas-clemente/fix-undecryptable-packet-run-loop

enter the regular run loop if no undecryptable packet was processed

session.go

@@ -590,7 +590,9 @@ runLoop:
 				default:
 				}
 			}
-		} else if !processedUndecryptablePacket {
+		}
+		// If we processed any undecryptable packets, jump to the resetting of the timers directly.
+		if !processedUndecryptablePacket {
 			select {
 			case closeErr = <-s.closeChan:
 				break runLoop