menu: Fix NULL dereference when DEFAULT_ENTRY is out of range with TIMEOUT=0

Mintsuki · Mintsuki · commit 3c272f13bcf3 · 2026-04-13T02:38:28.000+02:00
diff --git a/common/menu.c b/common/menu.c
@@ -1322,7 +1322,7 @@ noreturn void _menu(bool first_run) {
     }
 
     if (!skip_timeout && !timeout) {
-        if (max_entries == 0 || selected_menu_entry->sub != NULL) {
+        if (max_entries == 0 || selected_menu_entry == NULL || selected_menu_entry->sub != NULL) {
             quiet = false;
             print("Default entry is not valid or directory, booting to menu.\n");
             skip_timeout = true;

Original file line number	Diff line number	Diff line change
`@@ -1322,7 +1322,7 @@ noreturn void _menu(bool first_run) {`
`1322`	`1322`	`}`
`1323`	`1323`
`1324`	`1324`	`if (!skip_timeout && !timeout) {`
`1325`		`- if (max_entries == 0 \|\| selected_menu_entry->sub != NULL) {`
	`1325`	`+ if (max_entries == 0 \|\| selected_menu_entry == NULL \|\| selected_menu_entry->sub != NULL) {`
`1326`	`1326`	`quiet = false;`
`1327`	`1327`	`print("Default entry is not valid or directory, booting to menu.\n");`
`1328`	`1328`	`skip_timeout = true;`