[5.10,0/1] net/mlx5e: Fix nullptr in mlx5e_tc_add_fdb_flow()

Message ID	20221226180950.86129-1-n.zhandarovich@fintech.ru (mailing list archive)
Headers	show Return-Path: <linux-rdma-owner@vger.kernel.org> From: Nikita Zhandarovich <n.zhandarovich@fintech.ru> To: <stable@vger.kernel.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org> CC: Nikita Zhandarovich <n.zhandarovich@fintech.ru>, =?utf-8?b?RGltYcK3Q2h1?= =?utf-8?b?bWFrwrc=?= <dchumak@nvidia.com>, Saeed Mahameed <saeedm@nvidia.com>, Leon Romanovsky <leon@kernel.org>, "David S. Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, <netdev@vger.kernel.org>, <linux-rdma@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <lvc-project@linuxtesting.org> Subject: [PATCH 5.10 0/1] net/mlx5e: Fix nullptr in mlx5e_tc_add_fdb_flow() Date: Mon, 26 Dec 2022 10:09:49 -0800 Message-ID: <20221226180950.86129-1-n.zhandarovich@fintech.ru> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII Precedence: bulk
Series	net/mlx5e: Fix nullptr in mlx5e_tc_add_fdb_flow() \| expand [5.10,0/1] net/mlx5e: Fix nullptr in mlx5e_tc_add_fdb_flow() [5.10,1/1] net/mlx5e: Fix nullptr in mlx5e_tc_add_fdb_flow()

Message ID

20221226180950.86129-1-n.zhandarovich@fintech.ru (mailing list archive)

Headers

From: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
To: <stable@vger.kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Nikita Zhandarovich <n.zhandarovich@fintech.ru>, =?utf-8?b?RGltYcK3Q2h1?=
	=?utf-8?b?bWFrwrc=?= <dchumak@nvidia.com>,
 Saeed Mahameed <saeedm@nvidia.com>, Leon Romanovsky <leon@kernel.org>,
 "David S. Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>,
 <netdev@vger.kernel.org>, <linux-rdma@vger.kernel.org>,
 <linux-kernel@vger.kernel.org>, <lvc-project@linuxtesting.org>
Subject: [PATCH 5.10 0/1] net/mlx5e: Fix nullptr in mlx5e_tc_add_fdb_flow()
Date: Mon, 26 Dec 2022 10:09:49 -0800
Message-ID: <20221226180950.86129-1-n.zhandarovich@fintech.ru>
MIME-Version: 1.0
Content-Transfer-Encoding: 7BIT
Content-Type: text/plain; charset=US-ASCII
Precedence: bulk

Series

net/mlx5e: Fix nullptr in mlx5e_tc_add_fdb_flow() | expand

Message

Nikita Zhandarovich Dec. 26, 2022, 6:09 p.m. UTC

The result of __dev_get_by_index() is not checked for NULL, which then
passed to mlx5e_attach_encap() and gets dereferenced.

This patch backports commit <fe7738e> to correct the issue in 5.10 branch.

Found by Linux Verification Center (linuxtesting.org) with SVACE.