From: Arturo Borrero Gonzalez Subject: [libnftnl PATCH] examples: nft-rule-parse-add: fix wrong buffer usage when building rule header Date: Mon, 17 Nov 2014 10:26:41 +0100 Message-ID: <20141117092641.671.15727.stgit@nfdev.cica.es> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: pablo@netfilter.org To: netfilter-devel@vger.kernel.org Return-path: Received: from smtp3.cica.es ([150.214.5.190]:32908 "EHLO smtp.cica.es" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751313AbaKQJ0x (ORCPT ); Mon, 17 Nov 2014 04:26:53 -0500 Sender: netfilter-devel-owner@vger.kernel.org List-ID: The libmnl helper returns a pointer where to start putting the rule data. CC: Ian Bishop Closes: http://bugzilla.netfilter.org/show_bug.cgi?id=983 Signed-off-by: Arturo Borrero Gonzalez --- examples/nft-rule-parse-add.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/examples/nft-rule-parse-add.c b/examples/nft-rule-parse-add.c index 4160435..75f5268 100644 --- a/examples/nft-rule-parse-add.c +++ b/examples/nft-rule-parse-add.c @@ -122,7 +122,8 @@ int main(int argc, char *argv[]) rule_seq = seq; family = nft_rule_attr_get_u32(r, NFT_RULE_ATTR_FAMILY); - nlh = nft_rule_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, family, + nlh = nft_rule_nlmsg_build_hdr(mnl_nlmsg_batch_current(batch), + NFT_MSG_NEWRULE, family, NLM_F_CREATE|NLM_F_APPEND|NLM_F_ACK, seq++); nft_rule_nlmsg_build_payload(nlh, r);