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

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Message-ID: <644dc057e822273fcbc538b2056908ce@natalenko.name>
Date:   Sat, 27 Oct 2018 17:37:58 +0200
From:   Oleksandr Natalenko <oleksandr@...alenko.name>
To:     Heiner Kallweit <hkallweit1@...il.com>
Cc:     Dave Taht <dave.taht@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Toke Høiland-Jørgensen <toke@...e.dk>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Jiří Pírko <jiri@...nulli.us>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: CAKE and r8169 cause panic on upload in v4.19

Hi.

On 27.10.2018 15:43, Heiner Kallweit wrote:
> In net-next there's the following patch which mentions in the
> description that it "eliminates spurious list pointer poisoning":
> 992cba7e276d ("net: Add and use skb_list_del_init().")
> And spurious list pointer poisoning is what we see here (IMO).
> 
> As an idea this patch and a8305bff6852 ("net: Add and use
> skb_mark_not_on_list().")
> from net-next could be applied on top of 4.19. Would be curious
> whether it fixes the issue.

Applied both, still panics. %r12/%r15 are still poisoned too.

-- 
   Oleksandr Natalenko (post-factum)