mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: sim@hostway.ca, tglx@linutronix.de, netdev@vger.kernel.org,
	a.p.zijlstra@chello.nl, linux-kernel@vger.kernel.org,
	davej@redhat.com, schwidefsky@de.ibm.com, mingo@elte.hu
Subject: Re: [3.1] Divide by zero in __tcp_select_window()
Date: Mon, 14 Nov 2011 15:36:08 -0500 (EST)	[thread overview]
Message-ID: <20111114.153608.2064552703690099046.davem@davemloft.net> (raw)
In-Reply-To: <1320787405.26025.10.camel@edumazet-laptop>

From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 08 Nov 2011 22:23:25 +0100

> OK, it seems we let a timer running while we free the socket (same error
> path than your previous bug report, because of the NULL route)
> 
> We arm this keepalive timer in tcp_create_openreq_child()
> 
> net/ipv4/tcp_minisocks.c:513
> 	if (sock_flag(newsk, SOCK_KEEPOPEN))
> 		inet_csk_reset_keepalive_timer(newsk,
> 			keepalive_time_when(newtp));
> 
> I would try to add a call to tcp_clear_xmit_timers() as well
> 
> Please try following patch :

We've been waiting quite some time to get some testing validation on
this patch, but I think it's correct.

Eric can you formally submit this?  Thanks!

  reply	other threads:[~2011-11-14 20:39 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-08 20:54 Simon Kirby
2011-11-08 21:23 ` Eric Dumazet
2011-11-14 20:36   ` David Miller [this message]
2011-11-14 20:44     ` Simon Kirby
2011-11-14 20:56     ` Eric Dumazet
2011-11-16 19:54       ` Simon Kirby
2011-11-16 20:26         ` Eric Dumazet
2011-11-16 21:58         ` David Miller

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=20111114.153608.2064552703690099046.davem@davemloft.net \
    --to=davem@davemloft.net \
    --cc=a.p.zijlstra@chello.nl \
    --cc=davej@redhat.com \
    --cc=eric.dumazet@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=netdev@vger.kernel.org \
    --cc=schwidefsky@de.ibm.com \
    --cc=sim@hostway.ca \
    --cc=tglx@linutronix.de \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®