From fa2028e171e322a4992a270a11b2f2fc4afdaebe Mon Sep 17 00:00:00 2001
From: Riccardo Schirone <ret2libc@users.noreply.github.com>
Date: Mon, 1 Mar 2021 19:59:28 +0100
Subject: [PATCH] core/cmd_debug: fix OOB read when running 'dcu' (#745)

---
 librz/core/cmd_debug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/librz/core/cmd_debug.c b/librz/core/cmd_debug.c
index a3e19e4f85a..694d13b6254 100644
--- a/librz/core/cmd_debug.c
+++ b/librz/core/cmd_debug.c
@@ -4182,7 +4182,7 @@ RZ_IPI int rz_debug_continue_oldhandler(void *data, const char *input) {
 	case 'u': // "dcu"
 		if (input[1] == '?') {
 			rz_core_cmd_help(core, help_msg_dcu);
-		} else if (input[1] == '.') {
+		} else if (input[1] == '.' || input[1] == '\0') {
 			cmd_dcu(core, "cu $$");
 		} else {
 			char *tmpinp = rz_str_newf("cu %s", input + 2);