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netfilter/ipvs: clear ipvs_property flag when SKB net namespace changed

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When run ipvs in two different network namespace at the same host, and one
ipvs transport network traffic to the other network namespace ipvs.
'ipvs_property' flag will make the second ipvs take no effect. So we should
clear 'ipvs_property' when SKB network namespace changed.

Fixes: 621e84d6f3 ("dev: introduce skb_scrub_packet()")
Signed-off-by: Ye Yin <hustcat@gmail.com>
Signed-off-by: Wei Zhou <chouryzhou@gmail.com>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ye Yin 2017-10-26 16:57:05 +08:00 • committed by David S. Miller
parent 24de79e500
commit 2b5ec1a5f9
2 changed files with 8 additions and 0 deletions
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7
include/linux/skbuff.h
View file

@ -3770,6 +3770,13 @@ static inline void nf_reset_trace(struct sk_buff *skb)
#endif
}
static inline void ipvs_reset(struct sk_buff *skb)
{
#if IS_ENABLED(CONFIG_IP_VS)
skb->ipvs_property = 0;
#endif
}
/* Note: This doesn't put any conntrack and bridge info in dst. */
static inline void __nf_copy(struct sk_buff *dst, const struct sk_buff *src,
bool copy)

1
net/core/skbuff.c
View file

@ -4864,6 +4864,7 @@ void skb_scrub_packet(struct sk_buff *skb, bool xnet)
if (!xnet)
return;
ipvs_reset(skb);
skb_orphan(skb);
skb->mark = 0;
}