https://github.com/lanoxx/tilda/pull/481

From 4db8680584d3f7e14668e4105c710669338a2f0d Mon Sep 17 00:00:00 2001
From: xtkoba <69125751+xtkoba@users.noreply.github.com>
Date: Sun, 24 Apr 2022 11:32:41 +0900
Subject: [PATCH] Fix OOB write in `start_default_shell()`

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

diff --git a/src/tilda_terminal.c b/src/tilda_terminal.c
index 84baab74..c9f613aa 100644
--- a/src/tilda_terminal.c
+++ b/src/tilda_terminal.c
@@ -573,7 +573,7 @@ start_default_shell (tilda_term *tt)
          */
         flags |= G_SPAWN_FILE_AND_ARGV_ZERO;
     } else {
-        argv = malloc(1 * sizeof(void *));
+        argv = malloc(2 * sizeof(void *));
         argv[0] = default_command;
         argv[1] = NULL;
     }