Hi,
> -----Original Message-----
> From: Yunjian Wang <wangyunj...@huawei.com>
> Sent: Friday, December 24, 2021 5:06 AM
> To: dev@dpdk.org
> Cc: Matan Azrad <ma...@nvidia.com>; Slava Ovsiienko
> <viachesl...@nvidia.com>; Michael Baum <michae...@nvidia.com>;
> dingxiaoxi...@huawei.com; xudin...@huawei.com; Yunjian Wang
> <wangyunj...@huawei.com>; sta...@dpdk.org
> Subject: [dpdk-dev] [PATCH 1/1] net/mlx5: fix stack buffer overflow of hrxq's
> rss_key
>
> The mlx5_drop_action_create function use mlx5_malloc for allocating
> 'hrxq', but don't allocate for 'rss_key'. This is wrong and it can
> cause buffer overflow.
>
> Detected with address sanitizer:
> 0 (/usr/lib64/libasan.so.4+0x7b8e2)
> 1 in mlx5_devx_tir_attr_set ../drivers/net/mlx5/mlx5_devx.c:765
> 2 in mlx5_devx_hrxq_new ../drivers/net/mlx5/mlx5_devx.c:800
> 3 in mlx5_devx_drop_action_create ../drivers/net/mlx5/mlx5_devx.c:1051
> 4 in mlx5_drop_action_create ../drivers/net/mlx5/mlx5_rxq.c:2846
> 5 in mlx5_dev_spawn ../drivers/net/mlx5/linux/mlx5_os.c:1743
> 6 in mlx5_os_pci_probe_pf ../drivers/net/mlx5/linux/mlx5_os.c:2501
> 7 in mlx5_os_pci_probe ../drivers/net/mlx5/linux/mlx5_os.c:2647
> 8 in mlx5_os_net_probe ../drivers/net/mlx5/linux/mlx5_os.c:2722
> 9 in drivers_probe ../drivers/common/mlx5/mlx5_common.c:657
> 10 in mlx5_common_dev_probe
> ../drivers/common/mlx5/mlx5_common.c:711
> 11 in mlx5_common_pci_probe
> ../drivers/common/mlx5/mlx5_common_pci.c:150
> 12 in rte_pci_probe_one_driver ../drivers/bus/pci/pci_common.c:269
> 13 in pci_probe_all_drivers ../drivers/bus/pci/pci_common.c:353
> 14 in pci_probe ../drivers/bus/pci/pci_common.c:380
> 15 in rte_bus_probe ../lib/eal/common/eal_common_bus.c:72
> 16 in rte_eal_init ../lib/eal/linux/eal.c:1286
> 17 in main ../app/test-pmd/testpmd.c:4112
>
> Fixes: 0c762e81da9b ("net/mlx5: share Rx queue drop action code")
> Cc: sta...@dpdk.org
>
> Signed-off-by: Yunjian Wang <wangyunj...@huawei.com>
Patch applied to next-net-mlx,
Kindest regards,
Raslan Darawsheh
