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* grub-core/normal/menu_entry.c (insert_string): fix off by one

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access to unallocated memory.
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Andrey Borzenkov 2013-02-25 22:42:25 +01:00 committed by Vladimir 'phcoder' Serbinenko
parent b7b78edb1c
commit 958bfd2067
2 changed files with 11 additions and 5 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
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.

11
grub-core/normal/menu_entry.c
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@ -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;