Hello,
On Thu, 26 Oct 2017, Ye Yin wrote:
> 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.
>
> Signed-off-by: Ye Yin <hustcat@xxxxxxxxx>
> Signed-off-by: Wei Zhou <chouryzhou@xxxxxxxxx>
Patch looks good to me. ipvs_property was added long ago
but skb_scrub_packet() is more recent (3.11), so:
Fixes: 621e84d6f373 ("dev: introduce skb_scrub_packet()")
Signed-off-by: Julian Anastasov <ja@xxxxxx>
I guess, DaveM can apply it directly as a bugfix
to the net tree.
> ---
> include/linux/skbuff.h | 7 +++++++
> net/core/skbuff.c | 1 +
> 2 files changed, 8 insertions(+)
>
> diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
> index 72299ef..d448a48 100644
> --- a/include/linux/skbuff.h
> +++ b/include/linux/skbuff.h
> @@ -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)
> diff --git a/net/core/skbuff.c b/net/core/skbuff.c
> index 2465607..e140ba4 100644
> --- a/net/core/skbuff.c
> +++ b/net/core/skbuff.c
> @@ -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;
> }
> --
> 1.7.12.4
Regards
--
Julian Anastasov <ja@xxxxxx>
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