netdev - Re: [PATCH] tcp: possible race between tcp_done() and tcp

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Message-ID: <3357c94d-fda9-1d3b-28f2-fe0fe2f82022@jp.fujitsu.com>
Date:   Thu, 30 Mar 2017 08:19:00 +0900
From:   Seiichi Ikarashi <s.ikarashi@...fujitsu.com>
To:     Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
CC:     <netdev@...r.kernel.org>
Subject: Re: [PATCH] tcp: possible race between tcp_done() and tcp_poll()

Thanks Sergei!

On 2017-03-29 20:57, Sergei Shtylyov wrote:
> Hello!
> 
> On 3/29/2017 8:22 AM, Seiichi Ikarashi wrote:
> 
>> Similar to commit a4d258036ed9b2a1811.
> 
>    Commit citing is standardized: it should specify 12-digit (at least) SHA1 and the commit summary line enclosed in ("").
> 
>> Between receiving a packet and tcp_poll(), sk->sk_err is protected by memory barriers but
>> sk->sk_shutdown and sk->sk_state are not. So possibly, POLLIN|POLLRDNORM|POLLRDHUP might
>> not be set even when receiving a RST packet.
>>
>> Signed-off-by: Seiichi Ikarashi <s.ikarashi@...fujitsu.com>
>>
> 
>     Should be --- before the diffstat.

I'll resend.

Seiichi Ikarashi