Re: Dovecot User Listing Error - getpwent() failed: Invalid Argument

I've been running with this almost identical patch already for some time: diff -up dovecot-2.3.0.1/src/auth/mycrypt.c.libxcrypt dovecot-2.3.0.1/src/auth/mycrypt.c --- dovecot-2.3.0.1/src/auth/mycrypt.c.libxcrypt 2018-02-28 15:28:58.000000000 +0100 +++ dovecot-2.3.0.1/src/auth/mycrypt.c 2018-03-27 10:57:38.447769201 +0200 @@ -14,6 +14,7 @@ # define _XPG6 /* Some Solaris versions require this, some break with this */ #endif #include +#include #include "mycrypt.h" That fixed the build problem I had, but the warning below remains. (Tracking master-2.3 git) Reuben On 19/09/2018 5:34 pm, Aki Tuomi wrote:

This is bit of a longshot, but can you try applying https://github.com/dovecot/core/commit/63a74b9.patch and see if this helps?

Aki

On 19.09.2018 10:33, Reuben Farrelly wrote:

...

glibc-2.28.

There was a posting by Michael Marley on 31/08 saying he saw something similar to this problem after upgrading to 2.28 as well with 'doveadm purge'.

Reuben

On 19/09/2018 4:50 pm, Aki Tuomi wrote:

...

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 Date: 31/08/2018 17:12 (GMT+02:00) To: Aki Tuomi , Dovecot Mailing List 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   > Date: 31/08/2018 16:50 (GMT+02:00)   > To: Dovecot Mailing List   > 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