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authorRoi Dayan <roid@nvidia.com>2022-11-14 20:04:29 +0200
committerSaeed Mahameed <saeedm@nvidia.com>2022-11-24 00:03:21 -0800
commit52c795af04441d76f565c4634f893e5b553df2ae (patch)
tree7fb83428164a8109c94aa1d2aeedf34348b1d22e /drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c
parent3f5769a074c13d8f08455e40586600419e02a880 (diff)
net/mlx5e: Fix use-after-free when reverting termination table
When having multiple dests with termination tables and second one or afterwards fails the driver reverts usage of term tables but doesn't reset the assignment in attr->dests[num_vport_dests].termtbl which case a use-after-free when releasing the rule. Fix by resetting the assignment of termtbl to null. Fixes: 10caabdaad5a ("net/mlx5e: Use termination table for VLAN push actions") Signed-off-by: Roi Dayan <roid@nvidia.com> Reviewed-by: Maor Dickman <maord@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c
index 108a3503f413..edd910258314 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c
@@ -312,6 +312,8 @@ revert_changes:
for (curr_dest = 0; curr_dest < num_vport_dests; curr_dest++) {
struct mlx5_termtbl_handle *tt = attr->dests[curr_dest].termtbl;
+ attr->dests[curr_dest].termtbl = NULL;
+
/* search for the destination associated with the
* current term table
*/