--- a/src/libnetfilter_log.c	2010-11-04 00:19:45.000000000 +0100
+++ b/src/libnetfilter_log.c	2014-01-03 10:48:34.592783388 +0100
@@ -133,6 +133,8 @@ __build_send_cfg_msg(struct nflog_handle
 		struct nlmsghdr nmh;
 	} u;
 	struct nfulnl_msg_config_cmd cmd;
+
+	memset(&u, 0, sizeof(u));
 
 	nfnl_fill_hdr(h->nfnlssh, &u.nmh, 0, pf, groupnum,
 		      NFULNL_MSG_CONFIG, NLM_F_REQUEST|NLM_F_ACK);
@@ -469,12 +471,14 @@ int nflog_set_mode(struct nflog_g_handle
 		struct nlmsghdr nmh;
 	} u;
 	struct nfulnl_msg_config_mode params;
-
+	memset(&u, 0, sizeof(u));
+
 	nfnl_fill_hdr(gh->h->nfnlssh, &u.nmh, 0, AF_UNSPEC, gh->id,
 		      NFULNL_MSG_CONFIG, NLM_F_REQUEST|NLM_F_ACK);
 
 	params.copy_range = htonl(range);	/* copy_range is short */
 	params.copy_mode = mode;
+	params._pad = (u_int8_t) 0;
 	nfnl_addattr_l(&u.nmh, sizeof(u), NFULA_CFG_MODE, &params,
 		       sizeof(params));
 
@@ -500,6 +504,8 @@ int nflog_set_timeout(struct nflog_g_han
 		struct nlmsghdr nmh;
 	} u;
 
+	memset(&u, 0, sizeof(u));
+
 	nfnl_fill_hdr(gh->h->nfnlssh, &u.nmh, 0, AF_UNSPEC, gh->id,
 		      NFULNL_MSG_CONFIG, NLM_F_REQUEST|NLM_F_ACK);
 
@@ -525,6 +531,8 @@ int nflog_set_qthresh(struct nflog_g_han
 		struct nlmsghdr nmh;
 	} u;
 
+	memset(&u, 0, sizeof(u));
+
 	nfnl_fill_hdr(gh->h->nfnlssh, &u.nmh, 0, AF_UNSPEC, gh->id,
 		      NFULNL_MSG_CONFIG, NLM_F_REQUEST|NLM_F_ACK);
 
@@ -553,8 +561,10 @@ int nflog_set_nlbufsiz(struct nflog_g_ha
 		char buf[NFNL_HEADER_LEN+NFA_LENGTH(sizeof(u_int32_t))];
 		struct nlmsghdr nmh;
 	} u;
-	int status;
+	int status = 0;
 
+	memset(&u, 0, sizeof(u));
+
 	nfnl_fill_hdr(gh->h->nfnlssh, &u.nmh, 0, AF_UNSPEC, gh->id,
 		      NFULNL_MSG_CONFIG, NLM_F_REQUEST|NLM_F_ACK);
 
@@ -588,6 +598,8 @@ int nflog_set_flags(struct nflog_g_handl
 		struct nlmsghdr nmh;
 	} u;
 
+	memset(&u, 0, sizeof(u));
+
 	nfnl_fill_hdr(gh->h->nfnlssh, &u.nmh, 0, AF_UNSPEC, gh->id,
 		      NFULNL_MSG_CONFIG, NLM_F_REQUEST|NLM_F_ACK);