From 4f6d0c2444ada6d016518a845d7334cf655a1c85 Mon Sep 17 00:00:00 2001
From: Oskar Eichler <oskar@songstats.com>
Date: Sun, 30 Aug 2026 00:08:03 +0200
Subject: [PATCH] Reject incomplete JRuby cursor responses

---
 jruby/lib/io/console/common.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/jruby/lib/io/console/common.rb b/jruby/lib/io/console/common.rb
index 9252bd9..b75a39a 100644
--- a/jruby/lib/io/console/common.rb
+++ b/jruby/lib/io/console/common.rb
@@ -108,6 +108,7 @@ def cursor
         end
       end
 
+      return nil unless b && result.length == 2
       result.map(&:pred)
     end
   end