From: Gao feng <gaofeng@cn.fujitsu.com>
To: netfilter-devel@vger.kernel.org, netdev@vger.kernel.org
Cc: Gao feng <gaofeng@cn.fujitsu.com>
Subject: [PATCH 1/2] netfilter: reset nf_trace in nf_reset
Date: Fri, 22 Mar 2013 13:48:41 +0800 [thread overview]
Message-ID: <1363931322-2286-1-git-send-email-gaofeng@cn.fujitsu.com> (raw)
We forgot to clear the nf_trace of sk_buff in nf_reset,
When we use veth device, this nf_trace information will
be leaked from one net namespace to another net namespace.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
---
include/linux/skbuff.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 441f5bf..72b3967 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2641,6 +2641,9 @@ static inline void nf_reset(struct sk_buff *skb)
nf_bridge_put(skb->nf_bridge);
skb->nf_bridge = NULL;
#endif
+#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE)
+ skb->nf_trace = 0;
+#endif
}
/* Note: This doesn't put any conntrack and bridge info in dst. */
--
1.7.11.7
next reply other threads:[~2013-03-22 5:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-22 5:48 Gao feng [this message]
2013-03-22 5:48 ` [PATCH 2/2] netfilter: TRACE: use IS_ENABLE to replace if defined Gao feng
2013-04-01 23:21 ` Pablo Neira Ayuso
2013-03-25 19:31 ` [PATCH 1/2] netfilter: reset nf_trace in nf_reset Pablo Neira Ayuso
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