boot/grub2/0092-script-execute-Fix-NULL-dereference-in-grub_script_e.patch

From 41ae93b2e6c75453514629bcfe684300e3aec0ce Mon Sep 17 00:00:00 2001
From: Daniel Axtens <dja@axtens.net>
Date: Fri, 3 Apr 2020 23:05:13 +1100
Subject: [PATCH] script/execute: Fix NULL dereference in
 grub_script_execute_cmdline()

Signed-off-by: Daniel Axtens <dja@axtens.net>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
---
 grub-core/script/execute.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/grub-core/script/execute.c b/grub-core/script/execute.c
index 7e028e1..5ea2aef 100644
--- a/grub-core/script/execute.c
+++ b/grub-core/script/execute.c
@@ -940,7 +940,7 @@ grub_script_execute_cmdline (struct grub_script_cmd *cmd)
   struct grub_script_argv argv = { 0, 0, 0 };
 
   /* Lookup the command.  */
-  if (grub_script_arglist_to_argv (cmdline->arglist, &argv) || ! argv.args[0])
+  if (grub_script_arglist_to_argv (cmdline->arglist, &argv) || ! argv.args || ! argv.args[0])
     return grub_errno;
 
   for (i = 0; i < argv.argc; i++)
-- 
2.14.2