* [PATCH v1] net/mlx5: Fix null-ptr-deref in mlx5_create_ttc_table()
@ 2025-04-05 10:08 Henry Martin
0 siblings, 0 replies; only message in thread
From: Henry Martin @ 2025-04-05 10:08 UTC (permalink / raw)
To: saeedm, leon, tariqt
Cc: andrew+netdev, davem, edumazet, kuba, pabeni, amirtz, ayal,
bsdhenrymartin, netdev, linux-rdma, linux-kernel
Add NULL check for mlx5_get_flow_namespace() returns in
mlx5_create_ttc_table() to prevent NULL pointer dereference.
Fixes: 137f3d50ad2a ("net/mlx5: Support matching on l4_type for ttc_table")
Signed-off-by: Henry Martin <bsdhenrymartin@gmail.com>
---
drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c
index eb3bd9c7f66e..4b31b4c953fb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c
@@ -728,6 +728,8 @@ struct mlx5_ttc_table *mlx5_create_ttc_table(struct mlx5_core_dev *dev,
}
ns = mlx5_get_flow_namespace(dev, params->ns_type);
+ if (!ns)
+ return ERR_PTR(-EOPNOTSUPP);
groups = use_l4_type ? &ttc_groups[TTC_GROUPS_USE_L4_TYPE] :
&ttc_groups[TTC_GROUPS_DEFAULT];
--
2.34.1
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2025-04-05 10:08 [PATCH v1] net/mlx5: Fix null-ptr-deref in mlx5_create_ttc_table() Henry Martin
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