netdev - [PATCH 1/3] netfilter: nf_ct_helper: Fix logging for dropped packets

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1362654002-4405-2-git-send-email-pablo@netfilter.org>
Date:	Thu,  7 Mar 2013 12:00:00 +0100
From:	pablo@...filter.org
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, netfilter-devel@...r.kernel.org
Subject: [PATCH 1/3] netfilter: nf_ct_helper: Fix logging for dropped packets

From: Joe Perches <joe@...ches.com>

Update nf_ct_helper_log to emit args along with the format.

Signed-off-by: Joe Perches <joe@...ches.com>
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 net/netfilter/nf_conntrack_helper.c |   11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
index 013cdf6..bb4188f 100644
--- a/net/netfilter/nf_conntrack_helper.c
+++ b/net/netfilter/nf_conntrack_helper.c
@@ -341,6 +341,13 @@ void nf_ct_helper_log(struct sk_buff *skb, const struct nf_conn *ct,
 {
 	const struct nf_conn_help *help;
 	const struct nf_conntrack_helper *helper;
+	struct va_format vaf;
+	va_list args;
+
+	va_start(args, fmt);
+
+	vaf.fmt = fmt;
+	vaf.va = &args;
 
 	/* Called from the helper function, this call never fails */
 	help = nfct_help(ct);
@@ -349,7 +356,9 @@ void nf_ct_helper_log(struct sk_buff *skb, const struct nf_conn *ct,
 	helper = rcu_dereference(help->helper);
 
 	nf_log_packet(nf_ct_l3num(ct), 0, skb, NULL, NULL, NULL,
-		      "nf_ct_%s: dropping packet: %s ", helper->name, fmt);
+		      "nf_ct_%s: dropping packet: %pV ", helper->name, &vaf);
+
+	va_end(args);
 }
 EXPORT_SYMBOL_GPL(nf_ct_helper_log);
 
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html