core/cmd_debug: fix OOB read when running 'dcu' (#745)

rizinorg · Mar 1, 2021 · fa2028e · fa2028e
1 parent 8a69088
commit fa2028e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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);