|
 |
9723a8 |
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
|
9723a8 |
From: Paulo Flabiano Smorigo <pfsmorigo@canonical.com>
|
|
|
9723a8 |
Date: Mon, 30 Nov 2020 10:36:00 -0300
|
|
|
9723a8 |
Subject: [PATCH] loader/xnu: Check if pointer is NULL before using it
|
|
|
9723a8 |
|
|
|
9723a8 |
Fixes: CID 73654
|
|
|
9723a8 |
|
|
|
9723a8 |
Signed-off-by: Paulo Flabiano Smorigo <pfsmorigo@canonical.com>
|
|
|
9723a8 |
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
|
|
|
9723a8 |
---
|
|
|
9723a8 |
grub-core/loader/xnu.c | 8 ++++----
|
|
|
9723a8 |
1 file changed, 4 insertions(+), 4 deletions(-)
|
|
|
9723a8 |
|
|
|
9723a8 |
diff --git a/grub-core/loader/xnu.c b/grub-core/loader/xnu.c
|
|
|
9723a8 |
index a0aaa290ef7..5e0c8c84797 100644
|
|
|
9723a8 |
--- a/grub-core/loader/xnu.c
|
|
|
9723a8 |
+++ b/grub-core/loader/xnu.c
|
|
|
9723a8 |
@@ -662,6 +662,9 @@ grub_xnu_load_driver (char *infoplistname, grub_file_t binaryfile,
|
|
|
9723a8 |
char *name, *nameend;
|
|
|
9723a8 |
int namelen;
|
|
|
9723a8 |
|
|
|
9723a8 |
+ if (infoplistname == NULL)
|
|
|
9723a8 |
+ return grub_error (GRUB_ERR_BAD_FILENAME, N_("missing p-list filename"));
|
|
|
9723a8 |
+
|
|
|
9723a8 |
name = get_name_ptr (infoplistname);
|
|
|
9723a8 |
nameend = grub_strchr (name, '/');
|
|
|
9723a8 |
|
|
|
9723a8 |
@@ -693,10 +696,7 @@ grub_xnu_load_driver (char *infoplistname, grub_file_t binaryfile,
|
|
|
9723a8 |
else
|
|
|
9723a8 |
macho = 0;
|
|
|
9723a8 |
|
|
|
9723a8 |
- if (infoplistname)
|
|
|
9723a8 |
- infoplist = grub_file_open (infoplistname);
|
|
|
9723a8 |
- else
|
|
|
9723a8 |
- infoplist = 0;
|
|
|
9723a8 |
+ infoplist = grub_file_open (infoplistname);
|
|
|
9723a8 |
grub_errno = GRUB_ERR_NONE;
|
|
|
9723a8 |
if (infoplist)
|
|
|
9723a8 |
{
|