[Samba] panic in pwnam_r after a reconnect

Guenther Deschner gd at samba.org
Mon Mar 26 09:42:30 GMT 2007


Andrew,

patch was missing, can you resend, please ?

Guenther

Andrew Bartlett wrote:
> On Sun, 2007-03-25 at 23:18 +0200, Volker Lendecke wrote:
>> On Sun, Mar 25, 2007 at 10:57:14PM +0200, Dragan Krnic wrote:
>>> Is there some explanation for the panic in pwnam_r when a session
>>> reconnects after a while?
>>> This is an exagerated example. The user leaves on a Thursday,
>>> comes back next Tuesday - bang!
>>>
>>> My Samba 3.0.24 runs under a SuSE 10.1.
>>> The passwd files are used for authentication.
>> Is this in any way reproducable at will? You can for example
>> force a reconnect by killing the smbd that is responsible
>> for a particular client. You can find out the pid of that
>> smbd by running "smbstatus". Then any subsequent access to
>> that server from the client will trigger a reconnect.
>>
>> If that is reproducable, could you please install the
>> debuginfo package that comes with your binary package.
>>
>> I am very sure I am able to fix that bug If I can get a
>> valgrind log of that panic. Look at
>> https://bugzilla.samba.org/ bug 4434 for information how to
>> get the valgrind log.
> 
> As a random idea, I worked on, but never committed, this (attached)
> patch for what I suspected to be some issues here.  It might (or might
> not) be the same bug, but I never got a confirmation from that reporter.
> 
> Andrew Bartlett
> 
> 


-- 
Günther Deschner                    GPG-ID: 8EE11688
Red Hat                         gdeschner at redhat.com
Samba Team                              gd at samba.org


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