linux-kernel - Re: CAKE and r8169 cause panic on upload in v4.19

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Date:   Sun, 28 Oct 2018 13:22:09 +0100
From:   Oleksandr Natalenko <oleksandr@...alenko.name>
To:     David Miller <davem@...emloft.net>
Cc:     dave.taht@...il.com, hkallweit1@...il.com, toke@...e.dk,
        jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: CAKE and r8169 cause panic on upload in v4.19

Hi.

On 28.10.2018 05:44, David Miller wrote:
> Does this fix it?
> 
> diff --git a/net/core/dev.c b/net/core/dev.c
> index 022ad73d6253..77d43ae2a7bb 100644
> --- a/net/core/dev.c
> +++ b/net/core/dev.c
> @@ -5457,7 +5457,7 @@ static void gro_flush_oldest(struct list_head 
> *head)
>  	/* Do not adjust napi->gro_hash[].count, caller is adding a new
>  	 * SKB to the chain.
>  	 */
> -	list_del(&oldest->list);
> +	skb_list_del_init(oldest);
>  	napi_gro_complete(oldest);
>  }

Yes, but I had to apply both a8305bff6852 and 992cba7e276d too to get it 
compiled. With these 3 patches the panic is not triggered any more while 
having GRO enabled.

Thanks!

-- 
   Oleksandr Natalenko (post-factum)