New: - #446259 Invalid handle assertion on connection (Debian bug 446259)

htt
p://bugs.freedesktop.org/show_bug.cgi?id=12791

           Summary: - #446259 Invalid handle assertion on
connection (Debian
                    bug 446259)
           Product: Telepathy
           Version: unspecified
          Platform: x86 (IA32)
               URL: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=446259
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: telepathy-gabble
        AssignedTo: telepathylists.freedesktop.org
        ReportedBy: simon.mcvittiecollabora.co.uk
                CC: sawhiz.se


"As soon as I try to connect with my jabber.org account
in Empathy,
telepathy-gabble crashes. My gmail account on the other hand
seems to
work fine.

I'm adding a backtrace below, I can also provide DEBUG
output if needed."

Backtrace is in the Debian BTS,
<http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=446
259>. Looks like a bug in
roster group handling.


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--- Comment #1 from Sven Arvidsson <sawhiz.se>  2008-01-11 08:21:58 PST ---
This bug is still here in version 0.7.1. Is there anything
else I can add to
make it easier to fix this?


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Simon McVittie <simon.mcvittiecollabora.co.uk>
changed:

           What    |Removed                     |Added
------------------------------------------------------------
----------------
             Status|NEW                         |ASSIGNED
            Summary|- #446259 Invalid handle    |Invalid
handle assertion on
                   |assertion on connection     |connection
(Debian bug
                   |(Debian bug 446259)         |446259)




--- Comment #2 from Simon McVittie <simon.mcvittiecollabora.co.uk>  2008-04-23 03:34:29 PST ---
I couldn't see what was going on here when I looked at this
bug before, but I
think I can see what the problem is now. I'll see whether I
can reproduce it in
a regression test.


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--- Comment #4 from Sven Arvidsson <sawhiz.se>  2008-04-23 14:46:17 PST ---
Created an attachment (id=16140)
 --> (h
ttp://bugs.freedesktop.org/attachment.cgi?id=16140)
Gabble log

I'm attaching the log from version 0.7.3, is this current
enough or do I need
to grab it directly from the darcs repository?

I have mostly been using this account to try out different
applications and
settings, so it's no surprise if something odd may have
occured. Anyway, thanks
for looking into this!


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--- Comment #5 from Simon McVittie <simon.mcvittiecollabora.co.uk>  2008-04-24 02:11:47 PST ---
OK, here's the problem (I've added whitespace):

<item subscription='both' name='ingaa' jid='ingaajabber.org'>
  <group>Family</group>
</item>
<item ask='subscribe' subscription='none' jid='ingaajabber.org/Gaim'/>

We normalize the full JID (with the /Gaim) to the same thing
as the bare JID,
meaning there appears to be a duplicate <item>. The
first of the duplicate
<item>s has more groups than the second, which is
exactly the situation needed
to trigger this bug.

I have a fix for the assertion, on a branch awaiting code
review - it should
land in 0.7.4.

(As it stands at the moment, even with my patch applied
you'll get odd
behaviour with this roster. I didn't know servers would let
you do this... I'll
have to go and re-read the RFC to work out how we should be
interpreting it.)


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Simon McVittie <simon.mcvittiecollabora.co.uk>
changed:

           What    |Removed                     |Added
------------------------------------------------------------
----------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED




--- Comment #6 from Simon McVittie <simon.mcvittiecollabora.co.uk>  2008-04-28 10:32:19 PST ---
A better version of my patch has been reviewed and merged
into darcs; it will
be included in the next release. Thank you for your bug
report.


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