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Date:   Fri, 26 Jun 2020 15:03:09 -0700
From:   Cameron Berkenpas <>
To:     Cong Wang <>
Cc:     Roman Gushchin <>, Zefan Li <>,
        Linux Kernel Network Developers <>,
        Peter Geis <>,
        Lu Fengqi <>,
        Daniƫl Sonck <>,
        Daniel Borkmann <>,
        Tejun Heo <>
Subject: Re: [Patch net] cgroup: fix cgroup_sk_alloc() for sk_clone_lock()

Box has been up for 25 minutes without issue. Probably the patch works, 
but I can further confirm by tomorrow.

On 6/26/2020 10:58 AM, Cong Wang wrote:
> On Thu, Jun 25, 2020 at 10:23 PM Cameron Berkenpas <> wrote:
>> Hello,
>> Somewhere along the way I got the impression that it generally takes
>> those affected hours before their systems lock up. I'm (generally) able
>> to reproduce this issue much faster than that. Regardless, I can help test.
>> Are there any patches that need testing or is this all still pending
>> discussion around the  best way to resolve the issue?
> Yes. I come up with a (hopefully) much better patch in the attachment.
> Can you help to test it? You need to unapply the previous patch before
> applying this one.
> (Just in case of any confusion: I still believe we should check NULL on
> top of this refcnt fix. But it should be a separate patch.)
> Thank you!

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