[dpdk-stable] [dpdk-dev] [PATCH v1 01/38] net/mvpp2: fix stack corruption

[Michael Shamis]

Reviewed-by: Michael Shamis <michaelsh at marvell.com>

-----Original Message-----
From: dev <dev-bounces at dpdk.org> On Behalf Of lironh at marvell.com
Sent: Wednesday, December 2, 2020 12:12 PM
To: Jerin Jacob Kollanukkaran <jerinj at marvell.com>
Cc: dev at dpdk.org; Yuri Chipchev <yuric at marvell.com>; stable at dpdk.org; Liron Himi <lironh at marvell.com>
Subject: [dpdk-dev] [PATCH v1 01/38] net/mvpp2: fix stack corruption

From: Yuri Chipchev <yuric at marvell.com>

Fixes stack corruption in mrvl_fill_bpool function in case num > MRVL_PP2_RXD_MAX

Fixes: c3637258d894 ("net/mrvl: fix Rx descriptors number")
Cc: stable at dpdk.org

Signed-off-by: Yuri Chipchev <yuric at marvell.com>
Reviewed-by: Liron Himi <lironh at marvell.com>
---
 drivers/net/mvpp2/mrvl_ethdev.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/mvpp2/mrvl_ethdev.c b/drivers/net/mvpp2/mrvl_ethdev.c index f25cf9e46..93fb30cdb 100644
--- a/drivers/net/mvpp2/mrvl_ethdev.c
+++ b/drivers/net/mvpp2/mrvl_ethdev.c
@@ -1614,8 +1614,8 @@ mrvl_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)  static int  mrvl_fill_bpool(struct mrvl_rxq *rxq, int num)  {
-	struct buff_release_entry entries[MRVL_PP2_RXD_MAX];
-	struct rte_mbuf *mbufs[MRVL_PP2_RXD_MAX];
+	struct buff_release_entry entries[num];
+	struct rte_mbuf *mbufs[num];
 	int i, ret;
 	unsigned int core_id;
 	struct pp2_hif *hif;
--
2.28.0