[dpdk-dev] [PATCH] net/ice/base: fix out of memory bound for MAC addresses
From: Qi Zhang <hidden>
Date: 2021-03-17 05:58:36
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Not enough memory be allocated for dev->data->mac_address which
cause out of bound memory access when iterate all mac addresses by
dev_info.max_mac_addrs.
Fixes: f9cf4f864150 ("net/ice: support device initialization")
Cc: stable@dpdk.org
Reported-by: Ferruh Yigit <redacted>
Signed-off-by: Qi Zhang <redacted>
---
drivers/net/ice/ice_ethdev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index 8999d441ac..22104250fa 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c@@ -809,7 +809,7 @@ ice_init_mac_address(struct rte_eth_dev *dev) (struct rte_ether_addr *)hw->port_info[0].mac.perm_addr); dev->data->mac_addrs = - rte_zmalloc(NULL, sizeof(struct rte_ether_addr), 0); + rte_zmalloc(NULL, sizeof(struct rte_ether_addr) * ICE_NUM_MACADDR_MAX, 0); if (!dev->data->mac_addrs) { PMD_INIT_LOG(ERR, "Failed to allocate memory to store mac address");
--
2.26.2