dovecot - Sep 2018 - Dovecot User Listing Error - getpwent() failed: Invalid Argument

Sure:

https://www.reub.net/files/dovecot/lightning-dovecot.conf
https://www.reub.net/files/dovecot/thunderstorm-dovecot.conf

Updated nightly.

Reuben


On 1/09/2018 12:26 am, Aki Tuomi wrote:
> Can you provide doveconf -n?
> 
> 
> 
> ---
> Aki Tuomi
> Dovecot oy
> 
> -------- Original message --------
> From: Reuben Farrelly <reuben-dovecot at reub.net>
> Date: 31/08/2018 17:12 (GMT+02:00)
> To: Aki Tuomi <aki.tuomi at dovecot.fi>, Dovecot Mailing List 
> <dovecot at dovecot.org>
> Subject: Re: Dovecot User Listing Error - getpwent() failed: Invalid 
> Argument
> 
> No.? Neither of those are installed on either system.
> 
> Reuben
> 
> On 1/09/2018 12:09 am, Aki Tuomi wrote:
>  > Could apparmor or selinux be causing this!
>  >
>  >
>  >
>  > ---
>  > Aki Tuomi
>  > Dovecot oy
>  >
>  > -------- Original message --------
>  > From: Reuben Farrelly <reuben-dovecot at reub.net>
>  > Date: 31/08/2018 16:50 (GMT+02:00)
>  > To: Dovecot Mailing List <dovecot at dovecot.org>
>  > Subject: Dovecot User Listing Error - getpwent() failed: Invalid
Argument
>  >
>  > Hi,
>  >
>  > I'm running dovecot-2.3 git and seeing on 2 of my Dovecot
installations,
>  > the following message logged quite frequently:
>  >
>  > Aug 31 16:55:53 lightning.reub.net dovecot[7698]: auth-worker(7707):
>  > Error: getpwent() failed: Invalid argument
>  > Aug 31 16:55:53 lightning.reub.net dovecot[7698]: replicator: Error:
>  > User listing returned failure
>  > Aug 31 16:55:53 lightning.reub.net dovecot[7698]: replicator: Error:
>  > listing users failed, can't replicate existing data
>  >
>  > It appears that this could be having an effect on replication, but
it's
>  > unclear because the secondary/replica doesn't see much traffic.
>  >
>  > Authentication is via PAM and the system is Gentoo Linux x86_64.
passb
>  > driver = pam, userdb driver = static .
>  >
>  > doveadm user -u '*' shows the system users listed twice like
this (is
>  > this a problem?) and then prints:
>  >
>  > ----
>  > reuben
>  > liam
>  > reuben
>  > liam
>  > <some other users>
>  > Error: User listing returned failure
>  > Fatal: user listing failed
>  > ----
>  >
>  > To me that doesn't look right.
>  >
>  > Can anyone suggest what could be causing this?? I don't recall
seeing
>  > this message some time ago so I suspect it's a recent change in
either
>  > dovecot, or pam or glibc etc..
>  >
>  > Thanks,
>  > Reuben

I'll see if this is reproducible


---Aki TuomiDovecot oy
-------- Original message --------From: Reuben Farrelly <reuben-dovecot at
reub.net> Date: 31/08/2018  17:41  (GMT+02:00) To: Aki Tuomi <aki.tuomi at
dovecot.fi>, Dovecot Mailing List <dovecot at dovecot.org> Subject: Re:
Dovecot User Listing Error - getpwent() failed: Invalid Argument
Sure:

https://www.reub.net/files/dovecot/lightning-dovecot.conf
https://www.reub.net/files/dovecot/thunderstorm-dovecot.conf

Updated nightly.

Reuben


On 1/09/2018 12:26 am, Aki Tuomi wrote:
> Can you provide doveconf -n?
> 
> 
> 
> ---
> Aki Tuomi
> Dovecot oy
> 
> -------- Original message --------
> From: Reuben Farrelly <reuben-dovecot at reub.net>
> Date: 31/08/2018 17:12 (GMT+02:00)
> To: Aki Tuomi <aki.tuomi at dovecot.fi>, Dovecot Mailing List 
> <dovecot at dovecot.org>
> Subject: Re: Dovecot User Listing Error - getpwent() failed: Invalid 
> Argument
> 
> No.? Neither of those are installed on either system.
> 
> Reuben
> 
> On 1/09/2018 12:09 am, Aki Tuomi wrote:
>? > Could apparmor or selinux be causing this!
>? >
>? >
>? >
>? > ---
>? > Aki Tuomi
>? > Dovecot oy
>? >
>? > -------- Original message --------
>? > From: Reuben Farrelly <reuben-dovecot at reub.net>
>? > Date: 31/08/2018 16:50 (GMT+02:00)
>? > To: Dovecot Mailing List <dovecot at dovecot.org>
>? > Subject: Dovecot User Listing Error - getpwent() failed: Invalid
Argument
>? >
>? > Hi,
>? >
>? > I'm running dovecot-2.3 git and seeing on 2 of my Dovecot
installations,
>? > the following message logged quite frequently:
>? >
>? > Aug 31 16:55:53 lightning.reub.net dovecot[7698]: auth-worker(7707):
>? > Error: getpwent() failed: Invalid argument
>? > Aug 31 16:55:53 lightning.reub.net dovecot[7698]: replicator: Error:
>? > User listing returned failure
>? > Aug 31 16:55:53 lightning.reub.net dovecot[7698]: replicator: Error:
>? > listing users failed, can't replicate existing data
>? >
>? > It appears that this could be having an effect on replication, but
it's
>? > unclear because the secondary/replica doesn't see much traffic.
>? >
>? > Authentication is via PAM and the system is Gentoo Linux x86_64.
passb
>? > driver = pam, userdb driver = static .
>? >
>? > doveadm user -u '*' shows the system users listed twice like
this (is
>? > this a problem?) and then prints:
>? >
>? > ----
>? > reuben
>? > liam
>? > reuben
>? > liam
>? > <some other users>
>? > Error: User listing returned failure
>? > Fatal: user listing failed
>? > ----
>? >
>? > To me that doesn't look right.
>? >
>? > Can anyone suggest what could be causing this?? I don't recall
seeing
>? > this message some time ago so I suspect it's a recent change in
either
>? > dovecot, or pam or glibc etc..
>? >
>? > Thanks,
>? > Reuben
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Hi Aki,

How did you go with this in the end?  Do you need anything more from me 
or were you able to reproduce this?

Thanks,
Reuben

On 1/09/2018 12:41 am, Reuben Farrelly wrote:
> Sure:
> 
> https://www.reub.net/files/dovecot/lightning-dovecot.conf
> https://www.reub.net/files/dovecot/thunderstorm-dovecot.conf
> 
> Updated nightly.
> 
> Reuben
> 
> 
> On 1/09/2018 12:26 am, Aki Tuomi wrote:
>> Can you provide doveconf -n?
>>
>>
>>
>> ---
>> Aki Tuomi
>> Dovecot oy
>>
>> -------- Original message --------
>> From: Reuben Farrelly <reuben-dovecot at reub.net>
>> Date: 31/08/2018 17:12 (GMT+02:00)
>> To: Aki Tuomi <aki.tuomi at dovecot.fi>, Dovecot Mailing List 
>> <dovecot at dovecot.org>
>> Subject: Re: Dovecot User Listing Error - getpwent() failed: Invalid 
>> Argument
>>
>> No.? Neither of those are installed on either system.
>>
>> Reuben
>>
>> On 1/09/2018 12:09 am, Aki Tuomi wrote:
>> ?> Could apparmor or selinux be causing this!
>> ?>
>> ?>
>> ?>
>> ?> ---
>> ?> Aki Tuomi
>> ?> Dovecot oy
>> ?>
>> ?> -------- Original message --------
>> ?> From: Reuben Farrelly <reuben-dovecot at reub.net>
>> ?> Date: 31/08/2018 16:50 (GMT+02:00)
>> ?> To: Dovecot Mailing List <dovecot at dovecot.org>
>> ?> Subject: Dovecot User Listing Error - getpwent() failed: Invalid 
>> Argument
>> ?>
>> ?> Hi,
>> ?>
>> ?> I'm running dovecot-2.3 git and seeing on 2 of my Dovecot 
>> installations,
>> ?> the following message logged quite frequently:
>> ?>
>> ?> Aug 31 16:55:53 lightning.reub.net dovecot[7698]:
auth-worker(7707):
>> ?> Error: getpwent() failed: Invalid argument
>> ?> Aug 31 16:55:53 lightning.reub.net dovecot[7698]: replicator:
Error:
>> ?> User listing returned failure
>> ?> Aug 31 16:55:53 lightning.reub.net dovecot[7698]: replicator:
Error:
>> ?> listing users failed, can't replicate existing data
>> ?>
>> ?> It appears that this could be having an effect on replication,
but
>> it's
>> ?> unclear because the secondary/replica doesn't see much
traffic.
>> ?>
>> ?> Authentication is via PAM and the system is Gentoo Linux x86_64.
passb
>> ?> driver = pam, userdb driver = static .
>> ?>
>> ?> doveadm user -u '*' shows the system users listed twice
like this (is
>> ?> this a problem?) and then prints:
>> ?>
>> ?> ----
>> ?> reuben
>> ?> liam
>> ?> reuben
>> ?> liam
>> ?> <some other users>
>> ?> Error: User listing returned failure
>> ?> Fatal: user listing failed
>> ?> ----
>> ?>
>> ?> To me that doesn't look right.
>> ?>
>> ?> Can anyone suggest what could be causing this?? I don't
recall seeing
>> ?> this message some time ago so I suspect it's a recent change
in either
>> ?> dovecot, or pam or glibc etc..
>> ?>
>> ?> Thanks,
>> ?> Reuben

Which glibc version are you using?

Aki

On 19.09.2018 09:39, Reuben Farrelly wrote:
> Hi Aki,
>
> How did you go with this in the end?? Do you need anything more from
> me or were you able to reproduce this?
>
> Thanks,
> Reuben
>
> On 1/09/2018 12:41 am, Reuben Farrelly wrote:
>> Sure:
>>
>> https://www.reub.net/files/dovecot/lightning-dovecot.conf
>> https://www.reub.net/files/dovecot/thunderstorm-dovecot.conf
>>
>> Updated nightly.
>>
>> Reuben
>>
>>
>> On 1/09/2018 12:26 am, Aki Tuomi wrote:
>>> Can you provide doveconf -n?
>>>
>>>
>>>
>>> ---
>>> Aki Tuomi
>>> Dovecot oy
>>>
>>> -------- Original message --------
>>> From: Reuben Farrelly <reuben-dovecot at reub.net>
>>> Date: 31/08/2018 17:12 (GMT+02:00)
>>> To: Aki Tuomi <aki.tuomi at dovecot.fi>, Dovecot Mailing List
>>> <dovecot at dovecot.org>
>>> Subject: Re: Dovecot User Listing Error - getpwent() failed:
Invalid
>>> Argument
>>>
>>> No.? Neither of those are installed on either system.
>>>
>>> Reuben
>>>
>>> On 1/09/2018 12:09 am, Aki Tuomi wrote:
>>> ?> Could apparmor or selinux be causing this!
>>> ?>
>>> ?>
>>> ?>
>>> ?> ---
>>> ?> Aki Tuomi
>>> ?> Dovecot oy
>>> ?>
>>> ?> -------- Original message --------
>>> ?> From: Reuben Farrelly <reuben-dovecot at reub.net>
>>> ?> Date: 31/08/2018 16:50 (GMT+02:00)
>>> ?> To: Dovecot Mailing List <dovecot at dovecot.org>
>>> ?> Subject: Dovecot User Listing Error - getpwent() failed:
Invalid
>>> Argument
>>> ?>
>>> ?> Hi,
>>> ?>
>>> ?> I'm running dovecot-2.3 git and seeing on 2 of my Dovecot
>>> installations,
>>> ?> the following message logged quite frequently:
>>> ?>
>>> ?> Aug 31 16:55:53 lightning.reub.net dovecot[7698]:
auth-worker(7707):
>>> ?> Error: getpwent() failed: Invalid argument
>>> ?> Aug 31 16:55:53 lightning.reub.net dovecot[7698]: replicator:
Error:
>>> ?> User listing returned failure
>>> ?> Aug 31 16:55:53 lightning.reub.net dovecot[7698]: replicator:
Error:
>>> ?> listing users failed, can't replicate existing data
>>> ?>
>>> ?> It appears that this could be having an effect on
replication,
>>> but it's
>>> ?> unclear because the secondary/replica doesn't see much
traffic.
>>> ?>
>>> ?> Authentication is via PAM and the system is Gentoo Linux
x86_64.
>>> passb
>>> ?> driver = pam, userdb driver = static .
>>> ?>
>>> ?> doveadm user -u '*' shows the system users listed
twice like this
>>> (is
>>> ?> this a problem?) and then prints:
>>> ?>
>>> ?> ----
>>> ?> reuben
>>> ?> liam
>>> ?> reuben
>>> ?> liam
>>> ?> <some other users>
>>> ?> Error: User listing returned failure
>>> ?> Fatal: user listing failed
>>> ?> ----
>>> ?>
>>> ?> To me that doesn't look right.
>>> ?>
>>> ?> Can anyone suggest what could be causing this?? I don't
recall
>>> seeing
>>> ?> this message some time ago so I suspect it's a recent
change in
>>> either
>>> ?> dovecot, or pam or glibc etc..
>>> ?>
>>> ?> Thanks,
>>> ?> Reuben