[dpdk-dev] [PATCH] net/bonding:fix balance-xor link down stack overflow

Min Hu (Connor) humin29 at huawei.com
Tue Aug 10 09:50:19 CEST 2021


Hi,
	Your patch is OK, but the description is misleading and has
syntax errors. Please fix it ,thanks.

在 2021/8/10 14:43, jilei 写道:
> When slave link down, deactivate_slave will internals->active_slaves
> and internals->active_slave_count.Active_slave in bond_ethdev_rx_burst
> may out of range in internals->active_slaves.It will get bond's port_id
> cause stack overflow
> 
> Cc: stable at dpdk.org
> Signed-off-by: jilei <jilei8 at huawei.com>
> ---
>   drivers/net/bonding/rte_eth_bond_pmd.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c
> index a6755661c4..46f2c42d60 100644
> --- a/drivers/net/bonding/rte_eth_bond_pmd.c
> +++ b/drivers/net/bonding/rte_eth_bond_pmd.c
> @@ -82,7 +82,7 @@ bond_ethdev_rx_burst(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
>   					 bufs + num_rx_total, nb_pkts);
>   		num_rx_total += num_rx_slave;
>   		nb_pkts -= num_rx_slave;
> -		if (++active_slave == slave_count)
> +		if (++active_slave >= slave_count)
>   			active_slave = 0;
>   	}
>   
> 


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