Segfault of doveconf

[Claudio Prono]

Hi,

I have some problems of segfault at doveconf:


Jul  2 08:13:16 mail kernel: [1415540.297823] doveconf[7103]: segfault at 560cb801e000 ip 00007f861da742d0 sp 00007ffe2d671548 error 6 in libc-2.23.so[7f861d9e5000+1c0000]

Jul  2 15:45:38 mail kernel: [1442682.919193] doveconf[11915]: segfault at 563b32420000 ip 00007fcb127ae2d0 sp 00007ffecfc7b598 error 6 in libc-2.23.so[7fcb1271f000+1c0000]

Jul  2 20:27:37 mail kernel: [1459601.781407] doveconf[14680]: segfault at 55618f01b000 ip 00007f44137202d0 sp 00007ffcbb8d8628 error 6 in libc-2.23.so[7f4413691000+1c0000]

Jul  2 21:35:36 mail kernel: [1463680.435538] doveconf[15090]: segfault at 55ea7521d000 ip 00007f0bfe79f2d0 sp 00007ffd272793b8 error 6 in libc-2.23.so[7f0bfe710000+1c0000]

Jul  3 00:44:28 mail kernel: [1475013.132492] doveconf[16253]: segfault at 561feea20000 ip 00007f34be2be2d0 sp 00007ffe731ef4b8 error 6 in libc-2.23.so[7f34be22f000+1c0000]

System configuration follows:


lsb_release -d

Description:  Ubuntu 16.04.6 LTS


doveconf -n

# 2.2.22 (fe789d2): /etc/dovecot/dovecot.conf

# Pigeonhole version 0.4.13 (7b14904)

# OS: Linux 4.4.0-45-generic x86_64 Ubuntu 16.04.6 LTS

disable_plaintext_auth = no

first_valid_gid = 8

first_valid_uid = 150

last_valid_gid = 8

last_valid_uid = 150

mail_location = mbox:~/mail:INBOX=/var/mail/%u

managesieve_notify_capability = mailto

managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext

namespace inbox {

  inbox = yes

  location =

  mailbox Drafts {

    special_use = \Drafts

  }

  mailbox Junk {

    special_use = \Junk

  }

  mailbox Sent {

    special_use = \Sent

  }

  mailbox "Sent Messages" {

    special_use = \Sent

  }

  mailbox Trash {

    special_use = \Trash

  }

  prefix = INBOX.

}

passdb {

  args = /etc/dovecot/dovecot-sql.conf.ext

  driver = sql

}

plugin {

  quota_warning = storage=95%% quota-warning 95 %u

  quota_warning2 = storage=80%% quota-warning 80 %u

  sieve = /var/vmail/%d/%u/.dovecot.sieve

  sieve_dir = /var/vmail/%d/%u/sieve

  sieve_global_dir = /var/lib/dovecot/sieve/

  sieve_storage = /var/vmail/%d/%u/sieve

}

protocols = " imap sieve pop3"

service auth {

  unix_listener /var/spool/postfix/private/auth {

    group = postfix

    mode = 0660

    user = postfix

  }

  unix_listener auth-userdb {

    group = mail

    mode = 0600

    user = vmail

  }

}

service quota-warning {

  executable = script /usr/bin/quota-warning.sh

  unix_listener quota-warning {

    user = vmail

  }

  user = dovecot

}

ssl_ca = </etc/ssl/certs/SecureTrust_CA_mauri2.pem

ssl_cert = </etc/ssl/certs/dovecot6.pem

ssl_cipher_list = TLSv1+HIGH:!SSLv2:!RC4:!aNULL:!eNULL:!3DES:!IDEA:!SEED

ssl_key = </etc/ssl/private/dovecot3.pem

ssl_prefer_server_ciphers = yes

userdb {

  args = /etc/dovecot/dovecot-sql.conf.ext

  driver = sql

}

protocol lda {

  mail_plugins = " sieve"

}

protocol pop3 {

  pop3_uidl_format = %Mf

}


dovecot --version

2.2.22 (fe789d2)


apt-get update

Hit:1 http://ubuntu.seeweb.it/ubuntu xenial InRelease

Hit:2 http://ubuntu.seeweb.it/ubuntu xenial-updates InRelease

Hit:3 http://ubuntu.seeweb.it/ubuntu xenial-backports InRelease

Get:4 http://ubuntu.seeweb.it/ubuntu-security xenial-security InRelease [109 kB]

Fetched 109 kB in 1s (99.1 kB/s)

Reading package lists... Done



apt-get upgrade

Reading package lists... Done

Building dependency tree

Reading state information... Done

Calculating upgrade... Done

0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.



apt-get dist-upgrade

Reading package lists... Done

Building dependency tree

Reading state information... Done

Calculating upgrade... Done

0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.



Any hint about it ? Sometimes, from my webmail I receive an error communicating with server, but no other errors.



Cordially,

Claudio Prono.






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Claudio Prono                   OPST
System Developer
                               @Mediaservice.net Srl
                               Tel: +39-011-07.49.338
Via Santorelli, 15             Fax: +39-011-32.46.497
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