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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=8808b243f73ec97476965030c03be708@codeaurora.org \
--to=stranche@codeaurora.org \
--cc=eric.dumazet@gmail.com \
--cc=netdev@vger.kernel.org \
--cc=soheil@google.com \
--cc=ycheng@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.