[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20231214012505.42666-2-saeed@kernel.org>
Date: Wed, 13 Dec 2023 17:24:51 -0800
From: Saeed Mahameed <saeed@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Eric Dumazet <edumazet@...gle.com>
Cc: Saeed Mahameed <saeedm@...dia.com>,
netdev@...r.kernel.org,
Tariq Toukan <tariqt@...dia.com>,
Vlad Buslov <vladbu@...dia.com>
Subject: [net 01/15] Revert "net/mlx5e: fix double free of encap_header in update funcs"
From: Vlad Buslov <vladbu@...dia.com>
This reverts commit 3a4aa3cb83563df942be49d145ee3b7ddf17d6bb.
This patch is causing a null ptr issue, the proper fix is in the next
patch.
Fixes: 3a4aa3cb8356 ("net/mlx5e: fix double free of encap_header in update funcs")
Signed-off-by: Vlad Buslov <vladbu@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
.../ethernet/mellanox/mlx5/core/en/tc_tun.c | 20 +++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
index 668da5c70e63..8bca696b6658 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
@@ -403,12 +403,16 @@ int mlx5e_tc_tun_update_header_ipv4(struct mlx5e_priv *priv,
if (err)
goto free_encap;
+ e->encap_size = ipv4_encap_size;
+ kfree(e->encap_header);
+ e->encap_header = encap_header;
+
if (!(nud_state & NUD_VALID)) {
neigh_event_send(attr.n, NULL);
/* the encap entry will be made valid on neigh update event
* and not used before that.
*/
- goto free_encap;
+ goto release_neigh;
}
memset(&reformat_params, 0, sizeof(reformat_params));
@@ -422,10 +426,6 @@ int mlx5e_tc_tun_update_header_ipv4(struct mlx5e_priv *priv,
goto free_encap;
}
- e->encap_size = ipv4_encap_size;
- kfree(e->encap_header);
- e->encap_header = encap_header;
-
e->flags |= MLX5_ENCAP_ENTRY_VALID;
mlx5e_rep_queue_neigh_stats_work(netdev_priv(attr.out_dev));
mlx5e_route_lookup_ipv4_put(&attr);
@@ -669,12 +669,16 @@ int mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv,
if (err)
goto free_encap;
+ e->encap_size = ipv6_encap_size;
+ kfree(e->encap_header);
+ e->encap_header = encap_header;
+
if (!(nud_state & NUD_VALID)) {
neigh_event_send(attr.n, NULL);
/* the encap entry will be made valid on neigh update event
* and not used before that.
*/
- goto free_encap;
+ goto release_neigh;
}
memset(&reformat_params, 0, sizeof(reformat_params));
@@ -688,10 +692,6 @@ int mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv,
goto free_encap;
}
- e->encap_size = ipv6_encap_size;
- kfree(e->encap_header);
- e->encap_header = encap_header;
-
e->flags |= MLX5_ENCAP_ENTRY_VALID;
mlx5e_rep_queue_neigh_stats_work(netdev_priv(attr.out_dev));
mlx5e_route_lookup_ipv6_put(&attr);
--
2.43.0
Powered by blists - more mailing lists