Subject: Re: [PATCH net v4] nfc: nci: Fix uninit-value in nci_rx_work

From: Simon Horman <[email-masked]>
Date: Thu, 9 May 2024 14:44:36 +0100

On Thu, May 09, 2024 at 08:30:33PM +0900, Ryosuke Yasuoka wrote:
> syzbot reported the following uninit-value access issue [1]
> 
> nci_rx_work() parses received packet from ndev->rx_q. It should be
> validated header size, payload size and total packet size before
> processing the packet. If an invalid packet is detected, it should be
> silently discarded.
> 
> Fixes: d24b03535e5e ("nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet")
> Reported-and-tested-by: [email-masked]
> Closes: https://syzkaller.appspot.com/bug?extid=d7b4dc6cd50410152534 [1]
> Signed-off-by: Ryosuke Yasuoka <[email-masked]>

I suggest giving time for Krzysztof to review this.
But from my side this looks good.

Reviewed-by: Simon Horman <[email-masked]>

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