From: Alan T. DeKok <aland@freeradius.org>
Date: Sun, 19 Jul 2020 12:19:56 +0000 (-0400)
Subject: check return code so we don't encode negative numbers
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee386697b8d6e8aae5bcec21e2d0dc8a83ac8eb6;p=thirdparty%2Ffreeradius-server.git

check return code so we don't encode negative numbers
---

diff --git a/src/protocols/internal/encode.c b/src/protocols/internal/encode.c
index ee9be2ef377..58fb3ee27ce 100644
--- a/src/protocols/internal/encode.c
+++ b/src/protocols/internal/encode.c
@@ -111,6 +111,7 @@ static ssize_t internal_encode(fr_dbuff_t *dbuff,
 	 *	integer to the encoding byte.
 	 */
 	flen = fr_dbuff_uint64v_in(dbuff, da->attr);
+	if (flen <= 0) return flen;
 	enc_field[0] |= ((flen - 1) << 5);
 
 	/*