From: Alan T. DeKok <aland@freeradius.org>
Date: Thu, 6 Sep 2012 09:22:24 +0000 (+0200)
Subject: Check for memset of zero
X-Git-Tag: release_2_2_0~15
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=40aa0099c369662418431b5d7080205bb8a5e4c5;p=thirdparty%2Ffreeradius-server.git

Check for memset of zero
---

diff --git a/src/lib/radius.c b/src/lib/radius.c
index cb412c4ee62..7c5a4372db0 100644
--- a/src/lib/radius.c
+++ b/src/lib/radius.c
@@ -514,7 +514,7 @@ static void make_passwd(uint8_t *output, size_t *outlen,
 	if (len > MAX_PASS_LEN) len = MAX_PASS_LEN;
 
 	memcpy(passwd, input, len);
-	memset(passwd + len, 0, sizeof(passwd) - len);
+	if (len < sizeof(passwd)) memset(passwd + len, 0, sizeof(passwd) - len);
 
 	if (len == 0) {
 		len = AUTH_PASS_LEN;