From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 25 Jun 2022 18:54:09 +0000 (+0100)
Subject: patch 8.2.5160: accessing invalid memory after changing terminal size
X-Git-Tag: v8.2.5160
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e178af5a586ea023622d460779fdcabbbfac0908;p=vim

patch 8.2.5160: accessing invalid memory after changing terminal size

Problem:    Accessing invalid memory after changing terminal size.
Solution:   Adjust cmdline_row and msg_row to the value of Rows.
---

diff --git a/src/term.c b/src/term.c
index c1440d850..b36583114 100644
--- a/src/term.c
+++ b/src/term.c
@@ -3366,6 +3366,12 @@ check_shellsize(void)
     if (Rows < min_rows())	// need room for one window and command line
 	Rows = min_rows();
     limit_screen_size();
+
+    // make sure these values are not invalid
+    if (cmdline_row >= Rows)
+	cmdline_row = Rows - 1;
+    if (msg_row >= Rows)
+	msg_row = Rows - 1;
 }
 
 /*
diff --git a/src/version.c b/src/version.c
index e0a9768de..acf84d1d2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    5160,
 /**/
     5159,
 /**/