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Message-ID: <20231218175548.GI6288@kernel.org>
Date: Mon, 18 Dec 2023 17:55:48 +0000
From: Simon Horman <horms@...nel.org>
To: Lorenzo Bianconi <lorenzo@...nel.org>
Cc: netdev@...r.kernel.org, lorenzo.bianconi@...hat.com, nbd@....name,
john@...ozen.org, sean.wang@...iatek.com, Mark-MC.Lee@...iatek.com,
davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
pabeni@...hat.com
Subject: Re: [PATCH net] net: ethernet: mtk_wed: fix possible NULL pointer
dereference in mtk_wed_wo_queue_tx_clean()
On Sun, Dec 17, 2023 at 04:37:40PM +0100, Lorenzo Bianconi wrote:
> In order to avoid a NULL pointer dereference, check entry->buf pointer before running
> skb_free_frag in mtk_wed_wo_queue_tx_clean routine.
>
> Fixes: 799684448e3e ("net: ethernet: mtk_wed: introduce wed wo support")
> Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
Hi Lorenzo,
can I clarify that this can actually happen?
What I am getting at, is that if not, it might be net-next material.
In either case, I have no objection to the change itself.
Reviewed-by: Simon Horman <horms@...nel.org>
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