From: Holger Eitzenberger <holger@xxxxxxxxxx>
3.12-stable review patch. If anyone has any objections, please let me know.
===============
commit d954777324ffcba0b2f8119c102237426c654eeb upstream.
V3 of the NFQUEUE target ignores the --queue-bypass flag,
causing packets to be dropped when the userspace listener
isn't running.
Regression is in since 8746ddcf12bb26 ("netfilter: xt_NFQUEUE:
introduce CPU fanout").
Reported-by: Florian Westphal <fw@xxxxxxxxx>
Signed-off-by: Holger Eitzenberger <holger@xxxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
net/netfilter/xt_NFQUEUE.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/net/netfilter/xt_NFQUEUE.c b/net/netfilter/xt_NFQUEUE.c
index 1e2fae32f81b..ed00fef58996 100644
--- a/net/netfilter/xt_NFQUEUE.c
+++ b/net/netfilter/xt_NFQUEUE.c
@@ -147,6 +147,7 @@ nfqueue_tg_v3(struct sk_buff *skb, const struct xt_action_param *par)
{
const struct xt_NFQ_info_v3 *info = par->targinfo;
u32 queue = info->queuenum;
+ int ret;
if (info->queues_total > 1) {
if (info->flags & NFQ_FLAG_CPU_FANOUT) {
@@ -157,7 +158,11 @@ nfqueue_tg_v3(struct sk_buff *skb, const struct xt_action_param *par)
queue = nfqueue_hash(skb, par);
}
- return NF_QUEUE_NR(queue);
+ ret = NF_QUEUE_NR(queue);
+ if (info->flags & NFQ_FLAG_BYPASS)
+ ret |= NF_VERDICT_FLAG_QUEUE_BYPASS;
+
+ return ret;
}
static struct xt_target nfqueue_tg_reg[] __read_mostly = {
--
2.6.3
--
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