From 1f343527f065352f34af06d8d6a7cbd3e6c82cb5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Wed, 3 Jul 2019 14:15:46 +0200
Subject: [PATCH] scrolling: make sure we don't clear too much memory

---
 terminal.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/terminal.c b/terminal.c
index df74e9db..49c8e390 100644
--- a/terminal.c
+++ b/terminal.c
@@ -272,7 +272,9 @@ term_scroll_partial(struct terminal *term, struct scroll_region region, int rows
     /* Clear scrolled-in lines */
     grid_memset(
         term->grid,
-        max(0, region.end - rows) * term->cols, 0, rows * term->cols);
+        max(0, region.end - rows) * term->cols,
+        0,
+        min(rows, term->rows) * term->cols);
 
     term_damage_scroll(term, DAMAGE_SCROLL, region, rows);