From: Patrick McHardy <kaber@trash.net>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Mike Accetta <maccetta@laurelnetworks.com>, netdev@vger.kernel.org
Subject: Re: 2.6.20 crash in tcp_tso_segment()
Date: Tue, 13 Feb 2007 15:34:43 +0100 [thread overview]
Message-ID: <45D1CC83.8080603@trash.net> (raw)
In-Reply-To: <E1HFc6X-0006n7-00@gondolin.me.apana.org.au>
Herbert Xu wrote:
> Mike Accetta <maccetta@laurelnetworks.com> wrote:
>
>>Obviously the code believes it can assume that there are always multiple
>>sk_buff's in the chain. The stack trace seems to implicate iptables in
>>the scenario (twice) if that means anything. Any ideas about what may
>>be going wrong here? There is indeed a private module loaded at the time
>>but it does no networking and I doubt it is the culprit.
>
>
> Yeah we should never get here if we only have one segment.
> Could you get it to print out the value of skb->gso_*?
The callpath shows the REJECT target sending a TCP reset.
I'm guessing it has something to do with skb_copy_expand
copying the gso fields.
next prev parent reply other threads:[~2007-02-13 14:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-09 5:57 2.6.20 crash in tcp_tso_segment() Mike Accetta
2007-02-09 20:12 ` Herbert Xu
2007-02-13 14:34 ` Patrick McHardy [this message]
2007-02-13 16:18 ` Mike Accetta
2007-02-13 17:51 ` Herbert Xu
2007-02-13 20:34 ` David Miller
2007-02-13 21:51 ` Herbert Xu
2007-02-13 21:53 ` David Miller
2007-02-14 16:27 ` Mike Accetta
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=45D1CC83.8080603@trash.net \
--to=kaber@trash.net \
--cc=herbert@gondor.apana.org.au \
--cc=maccetta@laurelnetworks.com \
--cc=netdev@vger.kernel.org \
/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.