[RFC 1/4] gro: fix overwrite unprocessed packets

[Ferruh Yigit]

On 5/23/2024 5:26 PM, Konstantin Ananyev wrote:
> From: Konstantin Ananyev <konstantin.ananyev at huawei.com>
> 
> gro_vxlan_tcp4_tbl_timeout_flush() is called without taking into account
> that first entries in pkts[] can be already occupied by
> un-processed packets.
> 
> Fixes: 74080d7dcf31 ("gro: support IPv6 for TCP")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Konstantin Ananyev <konstantin.ananyev at huawei.com>
> ---
>  lib/gro/rte_gro.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/lib/gro/rte_gro.c b/lib/gro/rte_gro.c
> index d824eebd93..db86117609 100644
> --- a/lib/gro/rte_gro.c
> +++ b/lib/gro/rte_gro.c
> @@ -327,7 +327,7 @@ rte_gro_reassemble_burst(struct rte_mbuf **pkts,
>  		/* Flush all packets from the tables */
>  		if (do_vxlan_tcp_gro) {
>  			i += gro_vxlan_tcp4_tbl_timeout_flush(&vxlan_tcp_tbl,
> -					0, pkts, nb_pkts);
> +					0, &pkts[i], nb_pkts - i);
>  		}
>  
>  		if (do_vxlan_udp_gro) {

Acked-by: Ferruh Yigit <ferruh.yigit at amd.com>