From d36d9be8ff0e03a7cbba087abb9167056f9c56c7 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Sat, 30 Jul 2022 21:40:30 +0800
Subject: fix(terminal): avoid reading over the end of cell.chars (#19580)

---
 src/nvim/terminal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/nvim/terminal.c b/src/nvim/terminal.c
index 73af00b5d1..fc02d9d53a 100644
--- a/src/nvim/terminal.c
+++ b/src/nvim/terminal.c
@@ -1384,7 +1384,7 @@ static void fetch_row(Terminal *term, int row, int end_col)
     fetch_cell(term, row, col, &cell);
     if (cell.chars[0]) {
       int cell_len = 0;
-      for (int i = 0; cell.chars[i]; i++) {
+      for (int i = 0; i < VTERM_MAX_CHARS_PER_CELL && cell.chars[i]; i++) {
         cell_len += utf_char2bytes((int)cell.chars[i], ptr + cell_len);
       }
       ptr += cell_len;
-- 
cgit