netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andi Kleen <ak@muc.de>
To: george anzinger <george@mvista.com>
Cc: netdev@oss.sgi.com, linux-net@vger.kernel.org, davem@redhat.com,
	ak@muc.de, kuznet@ms2.inr.ac.ru, pekkas@netcore.fi
Subject: Re: System crash in tcp_fragment()
Date: Mon, 20 May 2002 22:29:37 +0200	[thread overview]
Message-ID: <acbn1j$otc$2@main.gmane.org> (raw)
In-Reply-To: <3CE95190.75C52E2D@mvista.com>

> Incase you can not see this, it appears that the addresses
> of each skb are alright, so the assumption is that the skb
> passed to tcp_fragment() has been unlinked while
> tcp_fragment() was doing its thing.  This implies a need for
> locking at some higher level and we don't know enough about
> the tcp code to divine where this might best be done.

2.4 TCP should in theory already have enough locking to prevent this
(the socket lock that is aquired by timers and user context socket users) 

-Andi

       reply	other threads:[~2002-05-20 20:29 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <3CE95190.75C52E2D@mvista.com>
2002-05-20 20:29 ` Andi Kleen [this message]
     [not found] ` <20020520222937.A1467@averell>
2002-05-20 21:18   ` System crash in tcp_fragment() george anzinger
2002-05-20 21:25 ` kuznet
2002-05-20 22:08 ` David S. Miller
     [not found] ` <200205202125.BAA03545@sex.inr.ac.ru>
2002-05-20 23:01   ` george anzinger
2002-05-20 23:54   ` Andi Kleen
2002-06-09 17:31   ` Network oops george anzinger
     [not found]   ` <3D0390E2.1B80ADEE@mvista.com>
2002-06-10  4:31     ` David S. Miller
2002-06-10  4:32     ` David S. Miller
     [not found]     ` <20020609.213150.32126725.davem@redhat.com>
2002-06-10  4:48       ` george anzinger
     [not found]       ` <3D042F8F.72764243@mvista.com>
2002-06-10  5:06         ` David S. Miller
2002-06-20 17:19         ` george anzinger
     [not found]         ` <3D120EAE.5A0D365E@mvista.com>
2002-06-21  0:38           ` David S. Miller
     [not found]           ` <20020620.173805.55219901.davem@redhat.com>
2002-06-21 14:16             ` george anzinger
     [not found]             ` <3D133538.60B6810C@mvista.com>
2002-06-21 14:17               ` David S. Miller
     [not found]               ` <20020621.071720.07439917.davem@redhat.com>
2002-06-21 15:12                 ` george anzinger
2002-06-22  0:55               ` Andi Kleen
     [not found]               ` <20020622025551.A1919@averell>
2002-06-28 19:56                 ` george anzinger
     [not found]     ` <20020609.213224.01016187.davem@redhat.com>
2002-06-10  8:11       ` george anzinger
     [not found]       ` <3D045F15.578E1DA9@mvista.com>
2002-06-10  8:31         ` David S. Miller
     [not found]         ` <20020610.013110.81671593.davem@redhat.com>
2002-06-10 14:12           ` george anzinger
     [not found] <Pine.LNX.4.33.0205201836160.9301-100000@w-nivedita2.des.beaverton.ibm.com>
     [not found] ` <3CE9E466.AC2358EE@mvista.com>
2002-05-21  6:00   ` System crash in tcp_fragment() David S. Miller
     [not found]   ` <20020520.230021.29510217.davem@redhat.com>
2002-05-21  7:25     ` george anzinger
2002-05-21  9:49     ` Andi Kleen
     [not found]     ` <3CE9F679.90ACF597@mvista.com>
2002-05-21  7:22       ` David S. Miller
2002-05-21 12:47       ` kuznet
2002-05-21 15:42         ` george anzinger
2002-05-21 12:54       ` Andi Kleen
2002-05-21  6:08 ` george anzinger
     [not found] <20020520.173416.105610032.davem@redhat.com>
2002-05-21  1:00 ` kuznet
2002-05-21  1:49 ` Nivedita Singhvi
     [not found] <3CE9960D.15D41380@mvista.com>
     [not found] ` <200205210041.EAA04407@sex.inr.ac.ru>
2002-05-21  0:34   ` David S. Miller
2002-05-21  0:41 ` kuznet
     [not found] <20020521015407.A1296@wotan.suse.de>
2002-05-21  0:11 ` kuznet
     [not found]   ` <3CE99434.20E7479C@mvista.com>
2002-05-21  0:18     ` David S. Miller
2002-05-21  0:39     ` Andi Kleen
2002-05-21  0:20   ` Andi Kleen
2002-05-21  0:26   ` george anzinger
     [not found]   ` <20020521022007.A6248@wotan.suse.de>
2002-05-21  0:34     ` george anzinger
2002-05-20 19:42 george anzinger

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='acbn1j$otc$2@main.gmane.org' \
    --to=ak@muc.de \
    --cc=davem@redhat.com \
    --cc=george@mvista.com \
    --cc=kuznet@ms2.inr.ac.ru \
    --cc=linux-net@vger.kernel.org \
    --cc=netdev@oss.sgi.com \
    --cc=pekkas@netcore.fi \
    /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;
as well as URLs for NNTP newsgroup(s).