From: stranche@codeaurora.org
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Yuchung Cheng <ycheng@google.com>,
soheil@google.com, netdev@vger.kernel.org
Subject: Re: WARN_ON in TLP causing RT throttling
Date: Fri, 28 Sep 2018 10:20:54 -0600 [thread overview]
Message-ID: <8808b243f73ec97476965030c03be708@codeaurora.org> (raw)
In-Reply-To: <7e05c738-8188-8cae-a726-33f780f6b05f@gmail.com>
On 2018-09-27 18:25, Eric Dumazet wrote:
> On 09/27/2018 05:16 PM, stranche@codeaurora.org wrote:
>
>> Hi Yuchung,
>>
>> Based on the dumps we were able to get, it appears that TFO was not
>> used in this case.
>> We also tried some local experiments where we dropped incoming SYN
>> packets after already
>> successful TFO connections on the receive side to see if TFO would
>> trigger this scenario, but
>> have not been able to reproduce it.
>>
>> One other interesting thing we found is that the socket never sent or
>> received any data. It only
>> sent/received the packets for the initial handshake and the outgoing
>> FIN.
>
> Just to make sure : Was this some sort of syzkaller (or other fuzzer)
> run ?
No, this was a normal run.
next prev parent reply other threads:[~2018-09-28 22:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-26 23:46 WARN_ON in TLP causing RT throttling stranche
2018-09-27 0:09 ` Eric Dumazet
2018-09-27 19:14 ` Yuchung Cheng
2018-09-28 0:16 ` stranche
2018-09-28 0:25 ` Eric Dumazet
2018-09-28 16:20 ` stranche [this message]
2018-10-02 21:19 ` Yuchung Cheng
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