Re: fs, net: deadlock between bind/splice on af_unix

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To: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Subject: Re: fs, net: deadlock between bind/splice on af_unix
From: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Date: Mon, 23 Jan 2017 11:00:17 -0800
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>, "linux-fsdevel@xxxxxxxxxxxxxxx" <linux-fsdevel@xxxxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, David Miller <davem@xxxxxxxxxxxxx>, Rainer Weikusat <rweikusat@xxxxxxxxxxxxxxxxxxxxxxx>, Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>, netdev <netdev@xxxxxxxxxxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, syzkaller <syzkaller@xxxxxxxxxxxxxxxx>
In-reply-to: <CACT4Y+Yf5S1OiNdd8WH=bmge=25m3zOh48QB8iq2nsKESG6Z_Q@mail.gmail.com>

On Fri, Jan 20, 2017 at 2:52 PM, Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote:
>
> This works! I did not see the deadlock warning, nor any other related crashes.
>
> Tested-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx>

Thanks for verifying it. I will send it out formally soon.
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References:
- fs, net: deadlock between bind/splice on af_unix
  - From: Dmitry Vyukov
- Re: fs, net: deadlock between bind/splice on af_unix
  - From: Dmitry Vyukov
- Re: fs, net: deadlock between bind/splice on af_unix
  - From: Cong Wang
- Re: fs, net: deadlock between bind/splice on af_unix
  - From: Al Viro
- Re: fs, net: deadlock between bind/splice on af_unix
  - From: Cong Wang
- Re: fs, net: deadlock between bind/splice on af_unix
  - From: Al Viro
- Re: fs, net: deadlock between bind/splice on af_unix
  - From: Dmitry Vyukov
- Re: fs, net: deadlock between bind/splice on af_unix
  - From: Cong Wang
- Re: fs, net: deadlock between bind/splice on af_unix
  - From: Dmitry Vyukov
- Re: fs, net: deadlock between bind/splice on af_unix
  - From: Cong Wang
- Re: fs, net: deadlock between bind/splice on af_unix
  - From: Dmitry Vyukov

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