From: Jakub Kicinski <kuba@kernel.org>
To: Suman Ghosh <sumang@marvell.com>
Cc: Zhipeng Lu <alexious@zju.edu.cn>,
Chris Snook <chris.snook@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
Yuanjun Gong <ruc_gongyuanjun@163.com>,
Jie Yang <jie.yang@atheros.com>, Jeff Garzik <jgarzik@redhat.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [EXT] [PATCH] ethernet: atheros: fix a memleak in atl1e_setup_ring_resources
Date: Thu, 7 Dec 2023 09:42:20 -0800 [thread overview]
Message-ID: <20231207094220.77019dd0@kernel.org> (raw)
In-Reply-To: <SJ0PR18MB52161F73B08DA547F7A8F3B8DB8BA@SJ0PR18MB5216.namprd18.prod.outlook.com>
On Thu, 7 Dec 2023 17:08:15 +0000 Suman Ghosh wrote:
> >+ kfree(tx_ring->tx_buffer);
>
> [Suman] I think we should do tx_ring->tx_buffer = NULL also, to avoid use after free?
It's up to the driver. Some may call that defensive programming.
next prev parent reply other threads:[~2023-12-07 17:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-07 14:38 [PATCH] ethernet: atheros: fix a memleak in atl1e_setup_ring_resources Zhipeng Lu
2023-12-07 17:08 ` [EXT] " Suman Ghosh
2023-12-07 17:42 ` Jakub Kicinski [this message]
2023-12-07 17:54 ` Suman Ghosh
2023-12-08 8:12 ` alexious
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