MFB length check fix (Mattias Bengtsson)

diff --git a/ext/iconv/iconv.c b/ext/iconv/iconv.c
index 57af813dce44a0a189a3787aea0152a6b1ba4658..2386bdebbabf6138e98378806d877e40fbc22dd0 100644 (file)
--- a/ext/iconv/iconv.c
+++ b/ext/iconv/iconv.c
@@ -765,7 +765,7 @@ static php_iconv_err_t _php_iconv_substr(smart_str *pretval,
                }
        }
 
-       if (offset >= total_len) {
+       if (offset >= total_len || len > total_len) {
                return PHP_ICONV_ERR_SUCCESS;
        }