Dovecot User Listing Error - getpwent() failed: Invalid Argument
Aki Tuomi
aki.tuomi at dovecot.fi
Fri Aug 31 17:09:18 EEST 2018
Could apparmor or selinux be causing this!
---Aki TuomiDovecot 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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