netdev - Re: twsk use-after-free

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Message-ID: <CANn89iLefxC9v5sWo2P+5b6+bVfPMbdevohVZnfNCwCFqgHi=w@mail.gmail.com>
Date:   Thu, 20 Dec 2018 14:50:04 -0800
From:   Eric Dumazet <edumazet@...gle.com>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     netdev <netdev@...r.kernel.org>, kernel-team <kernel-team@...com>
Subject: Re: twsk use-after-free

On Thu, Dec 20, 2018 at 11:27 AM Alexei Starovoitov
<alexei.starovoitov@...il.com> wrote:
>
> Hi Eric,
>
> we're seeing weird issue with timewait sockets.
> Any suggestion how to debug this is greatly appreciated.
>
> First something iterating over sockets finds already freed tw socket:
>

Hi Alexei

Thanks for the report.

I have answered in the other thread, where Jonathan has sent a patch
to address this problem.

Thanks !