From 67def64a4e4590a5f3b55ebfc33c42a3dcd7b559 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 24 Oct 2020 20:58:06 +0200
Subject: patch 8.2.1899: crash in out-of-memory situation
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Problem:    Crash in out-of-memory situation.
Solution:   Bail out if shell_name is NULL. (Dominique Pellé, closes #7196)
---
 src/ex_cmds.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/ex_cmds.c')

diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index 1dbd01494..82e9c577a 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -1544,6 +1544,9 @@ make_filter_cmd(
     int		is_fish_shell;
     char_u	*shell_name = get_isolated_shell_name();
 
+    if (shell_name == NULL)
+	return NULL;
+
     // Account for fish's different syntax for subshells
     is_fish_shell = (fnamecmp(shell_name, "fish") == 0);
     vim_free(shell_name);
-- 
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