mirror of
https://src.fedoraproject.org/rpms/grub2.git
synced 2024-11-24 14:32:58 +00:00
51 lines
1.7 KiB
Diff
51 lines
1.7 KiB
Diff
From 510ac1b166c642ccf6a57515922730c73f492f55 Mon Sep 17 00:00:00 2001
|
|
From: Andrey Borzenkov <arvidjaar@gmail.com>
|
|
Date: Mon, 25 Feb 2013 22:42:25 +0100
|
|
Subject: [PATCH 158/482] * grub-core/normal/menu_entry.c
|
|
(insert_string): fix off by one access to unallocated memory.
|
|
|
|
---
|
|
ChangeLog | 5 +++++
|
|
grub-core/normal/menu_entry.c | 11 ++++++-----
|
|
2 files changed, 11 insertions(+), 5 deletions(-)
|
|
|
|
diff --git a/ChangeLog b/ChangeLog
|
|
index 107c049..cc5d5e3 100644
|
|
--- a/ChangeLog
|
|
+++ b/ChangeLog
|
|
@@ -1,5 +1,10 @@
|
|
2013-02-25 Andrey Borzenkov <arvidjaar@gmail.com>
|
|
|
|
+ * grub-core/normal/menu_entry.c (insert_string): fix off by one
|
|
+ access to unallocated memory.
|
|
+
|
|
+2013-02-25 Andrey Borzenkov <arvidjaar@gmail.com>
|
|
+
|
|
* Makefile.util.def: Add partmap/msdos.c to common library.
|
|
* include/grub/msdos_partition.h: Add GRUB_PC_PARTITION_TYPE_LDM
|
|
* grub-core/disk/ldm.c: Check for existence of
|
|
diff --git a/grub-core/normal/menu_entry.c b/grub-core/normal/menu_entry.c
|
|
index 7cd67f3..85f97da 100644
|
|
--- a/grub-core/normal/menu_entry.c
|
|
+++ b/grub-core/normal/menu_entry.c
|
|
@@ -393,11 +393,12 @@ insert_string (struct screen *screen, const char *s, int update)
|
|
if (! screen->lines)
|
|
return 0;
|
|
|
|
- /* Scroll down. */
|
|
- grub_memmove (screen->lines + screen->line + 2,
|
|
- screen->lines + screen->line + 1,
|
|
- ((screen->num_lines - screen->line - 2)
|
|
- * sizeof (struct line)));
|
|
+ /* Shift down if not appending after the last line. */
|
|
+ if (screen->line < screen->num_lines - 2)
|
|
+ grub_memmove (screen->lines + screen->line + 2,
|
|
+ screen->lines + screen->line + 1,
|
|
+ ((screen->num_lines - screen->line - 2)
|
|
+ * sizeof (struct line)));
|
|
|
|
if (! init_line (screen, screen->lines + screen->line + 1))
|
|
return 0;
|
|
--
|
|
1.8.2.1
|
|
|