From: HansolChoe <hansol614@gmail.com>
Date: Thu, 19 Oct 2023 07:33:01 +0000 (+0900)
Subject: tokener_parse_ex_fuzzer: add type checking for parsed object
X-Git-Tag: json-c-0.18-20240915~21^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F837%2Fhead;p=thirdparty%2Fjson-c.git

tokener_parse_ex_fuzzer: add type checking for parsed object
---

diff --git a/fuzz/tokener_parse_ex_fuzzer.cc b/fuzz/tokener_parse_ex_fuzzer.cc
index acdc3327..5d07497a 100644
--- a/fuzz/tokener_parse_ex_fuzzer.cc
+++ b/fuzz/tokener_parse_ex_fuzzer.cc
@@ -8,9 +8,11 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
 	json_tokener *tok = json_tokener_new();
 	json_object *obj = json_tokener_parse_ex(tok, data1, size);
 	
-	json_object_object_foreach(obj, key, val) {
-		(void)json_object_get_type(val);
-		(void)json_object_get_string(val);
+	if (json_object_is_type(obj, json_type_object)) {
+		json_object_object_foreach(obj, key, val) {
+			(void)json_object_get_type(val);
+			(void)json_object_get_string(val);
+		}
 	}
 	(void)json_object_to_json_string_ext(obj, JSON_C_TO_STRING_PRETTY | JSON_C_TO_STRING_SPACED);