Fix length reset in JSON parser

diff --git a/ext/json/JSON_parser.c b/ext/json/JSON_parser.c
index c7fc6b4f2f3d38571fbf257dd45dacb1518febbd..116fc0c9b685d6dce953ee3bc1025a3078a29ca7 100644 (file)
--- a/ext/json/JSON_parser.c
+++ b/ext/json/JSON_parser.c
@@ -712,7 +712,7 @@ parse_JSON_ex(JSON_parser jp, zval *z, unsigned short utf16_json[], int length,
                         jp->error_code = PHP_JSON_ERROR_SYNTAX;
                         return false;
                 }
-                buf.s->len = 0;
+                if (buf.s) { buf.s->len = 0; }
                 JSON_RESET_TYPE();
             }
             break;