From 78cdb02be61695e7ac9eedce5796c22b570f568e Mon Sep 17 00:00:00 2001 From: "Tobias R. Henle" Date: Mon, 5 Apr 2021 21:27:48 +0200 Subject: [PATCH] Fix: Don't allow a separator as root for submenus. --- xmenu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/xmenu.c b/xmenu.c index afb4301..a4c29e1 100644 --- a/xmenu.c +++ b/xmenu.c @@ -432,6 +432,10 @@ buildmenutree(unsigned level, const char *label, const char *output, char *file) for (item = prevmenu->list; item->next != NULL; item = item->next) ; + /* a separator is no valid root for a submenu */ + if (!item->label) + errx(1, "a separator is no valid root for a submenu"); + prevmenu = menu; menu->caller = item; item->submenu = menu; -- 2.20.1