Hi helin, There is a bug without check the return value of alloc memory in function i40evf_add_del_all_mac_addr, if we should fix it as below:
diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c index 55fd344..37ea7ac 100644 --- a/drivers/net/i40e/i40e_ethdev_vf.c +++ b/drivers/net/i40e/i40e_ethdev_vf.c @@ -2014,6 +2014,11 @@ static int i40evf_dev_xstats_get(struct rte_eth_dev *dev, } list = rte_zmalloc("i40evf_del_mac_buffer", len, 0); + if (!list) { + PMD_DRV_LOG(ERR, "fail to alloc memory, abort execute command %s", + add ? "OP_ADD_ETHER_ADDRESS" : "OP_DEL_ETHER_ADDRESS"); + return; + } for (i = begin; i < next_begin; i++) { addr = &dev->data->mac_addrs[i]; Best Regards