public inbox for netdev@vger.kernel.org 
 help / color / mirror / Atom feed
From: Saeed Mahameed <saeed@kernel•org>
To: "David S. Miller" <davem@davemloft•net>,
	Jakub Kicinski <kuba@kernel•org>, Paolo Abeni <pabeni@redhat•com>,
	Eric Dumazet <edumazet@google•com>
Cc: Saeed Mahameed <saeedm@nvidia•com>,
	netdev@vger•kernel.org, Dan Carpenter <dan.carpenter@oracle•com>,
	Tariq Toukan <tariqt@nvidia•com>
Subject: [net 12/13] net/mlx5e: Fix use after free in mlx5e_fs_init()
Date: Mon, 22 Aug 2022 12:59:16 -0700	[thread overview]
Message-ID: <20220822195917.216025-13-saeed@kernel.org> (raw)
In-Reply-To: <20220822195917.216025-1-saeed@kernel.org>

From: Dan Carpenter <dan.carpenter@oracle•com>

Call mlx5e_fs_vlan_free(fs) before kvfree(fs).

Fixes: af8bbf730068 ("net/mlx5e: Convert mlx5e_flow_steering member of mlx5e_priv to pointer")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle•com>
Reviewed-by: Tariq Toukan <tariqt@nvidia•com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia•com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_fs.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
index e2a9b9be5c1f..e0ce5a233d0b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
@@ -1395,10 +1395,11 @@ struct mlx5e_flow_steering *mlx5e_fs_init(const struct mlx5e_profile *profile,
 	}
 
 	return fs;
-err_free_fs:
-	kvfree(fs);
+
 err_free_vlan:
 	mlx5e_fs_vlan_free(fs);
+err_free_fs:
+	kvfree(fs);
 err:
 	return NULL;
 }
-- 
2.37.1


  parent reply	other threads:[~2022-08-22 20:01 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-22 19:59 [pull request][net 00/13] mlx5 fixes 2022-08-22 Saeed Mahameed
2022-08-22 19:59 ` [net 01/13] net/mlx5e: Properly disable vlan strip on non-UL reps Saeed Mahameed
2022-08-24  1:00   ` patchwork-bot+netdevbpf
2022-08-22 19:59 ` [net 02/13] net/mlx5: LAG, fix logic over MLX5_LAG_FLAG_NDEVS_READY Saeed Mahameed
2022-08-22 19:59 ` [net 03/13] net/mlx5: Eswitch, Fix forwarding decision to uplink Saeed Mahameed
2022-08-22 19:59 ` [net 04/13] net/mlx5: Disable irq when locking lag_lock Saeed Mahameed
2022-08-22 19:59 ` [net 05/13] net/mlx5: Fix cmd error logging for manage pages cmd Saeed Mahameed
2022-08-22 19:59 ` [net 06/13] net/mlx5: Avoid false positive lockdep warning by adding lock_class_key Saeed Mahameed
2022-08-22 19:59 ` [net 07/13] net/mlx5e: Fix wrong application of the LRO state Saeed Mahameed
2022-08-22 19:59 ` [net 08/13] net/mlx5e: TC, Add missing policer validation Saeed Mahameed
2022-08-22 19:59 ` [net 09/13] net/mlx5e: Fix wrong tc flag used when set hw-tc-offload off Saeed Mahameed
2022-08-22 19:59 ` [net 10/13] net/mlx5: unlock on error path in esw_vfs_changed_event_handler() Saeed Mahameed
2022-08-22 19:59 ` [net 11/13] net/mlx5e: kTLS, Use _safe() iterator in mlx5e_tls_priv_tx_list_cleanup() Saeed Mahameed
2022-08-22 19:59 ` Saeed Mahameed [this message]
2022-08-22 19:59 ` [net 13/13] net/mlx5: Unlock on error in mlx5_sriov_enable() Saeed Mahameed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220822195917.216025-13-saeed@kernel.org \
    --to=saeed@kernel$(echo .)org \
    --cc=dan.carpenter@oracle$(echo .)com \
    --cc=davem@davemloft$(echo .)net \
    --cc=edumazet@google$(echo .)com \
    --cc=kuba@kernel$(echo .)org \
    --cc=netdev@vger$(echo .)kernel.org \
    --cc=pabeni@redhat$(echo .)com \
    --cc=saeedm@nvidia$(echo .)com \
    --cc=tariqt@nvidia$(echo .)com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox