linux-kernel - Re: [PATCH net] net: lantiq: fix memory corruption in RX ring

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Date:   Thu, 20 May 2021 15:24:21 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     olek2@...pl
Cc:     hauke@...ke-m.de, kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: lantiq: fix memory corruption in RX ring

From: Aleksander Jan Bajkowski <olek2@...pl>
Date: Thu, 20 May 2021 20:40:54 +0200

> In a situation where memory allocation or dma mapping fails, an
> invalid address is programmed into the descriptor. This can lead
> to memory corruption. If the memory allocation fails, DMA should
> reuse the previous skb and mapping and drop the packet. This patch
> also increments rx drop counter.
> 
> Signed-off-by: Aleksander Jan Bajkowski <olek2@...pl>

Please repost this with an appropriate Fixes: tag, thank you.