From abff0e205efb8933389760b72f99adc8140bdcad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Sun, 7 Jul 2019 17:03:22 +0200
Subject: [PATCH] csi: scroll region is not allowed past available rows

---
 csi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/csi.c b/csi.c
index 60b6af91..9bf639fd 100644
--- a/csi.c
+++ b/csi.c
@@ -497,7 +497,7 @@ csi_dispatch(struct terminal *term, uint8_t final)
 
         case 'r': {
             int start = param_get(term, 0, 1);
-            int end = param_get(term, 1, term->rows);
+            int end = min(param_get(term, 1, term->rows), term->rows);
 
             /* 1-based */
             term->scroll_region.start = start - 1;