20 lines
876 B
Diff
20 lines
876 B
Diff
|
Trying to add a menu item using menu_add_item causes a segmentation fault
|
||
|
in the LCDd server. This is caused by a read beyond the end of an array.
|
||
|
|
||
|
This patch adds a safety check on the size of the argument array.
|
||
|
|
||
|
Signed-off-by: Simon Dawson <spdawson@gmail.com>
|
||
|
|
||
|
diff -Nurp a/server/commands/menu_commands.c b/server/commands/menu_commands.c
|
||
|
--- a/server/commands/menu_commands.c 2011-08-14 13:29:16.000000000 +0100
|
||
|
+++ b/server/commands/menu_commands.c 2012-10-04 22:19:07.997409193 +0100
|
||
|
@@ -198,7 +198,7 @@ menu_add_item_func(Client *c, int argc,
|
||
|
|
||
|
/* call menu_set_item() with a temporarily allocated argv
|
||
|
* to process the remaining options */
|
||
|
- if ((argc > 5) || (argv[4][0] == '-')) {
|
||
|
+ if ((argc > 5) || ((argc == 5) && argv[4][0] == '-')) {
|
||
|
// menu_add_item <menuid> <newitemid> <type> [<text>]
|
||
|
// menu_set_item <menuid> <itemid> {<option>}+
|
||
|
int i, j;
|