netdev - Re: [Crash] unhandled kernel memory read from unreadable memory

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Date:   Sat, 13 Jun 2020 10:52:08 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Peter Geis <pgwipeout@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        bpf@...r.kernel.org
Subject: Re: [Crash] unhandled kernel memory read from unreadable memory

Hello,

On Sat, Jun 13, 2020 at 5:41 AM Peter Geis <pgwipeout@...il.com> wrote:
>
> Good Morning,
>
> Last night I started experiencing crashes on my home server.
> I updated to 5.6.17 from 5.6.15 a few days ago but I'm not sure if
> that is related.
> The crash occurred four times between last night and this morning.

Yeah, this is known. Can you test the attached patch?

Thanks.

View attachment "cgroup_sk_alloc.diff" of type "text/x-patch" (614 bytes)