Dovecot Login fail after upgrade to 4-3

UCS - Univention Corporate Server
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#1

Hello All,
i have a UCS 4.2-5 errata 539 System and Everything was good, after upgrade to the last Version of Software and an Upgrade Open-Xchange 7.8.4 ucs 12 i have upgrades to UCS 4.3
After that i have trouble with the login to dovecot:


Jan 22 08:50:10 ox dovecot: auth: Error: LDAP /etc/dovecot/dovecot-ldap.conf.ext: ldap_start_tls_s() failed: Connect error
Jan 22 08:50:11 ox dovecot: auth-worker(3127): Error: LDAP /etc/dovecot/dovecot-ldap.conf.ext: ldap_start_tls_s() failed: Connect error
Jan 22 08:50:11 ox dovecot: auth-worker: Error: *** Error in `dovecot/auth': double free or corruption (!prev): 0x0000556d09af3610 ***
Jan 22 08:50:11 ox dovecot: auth-worker: Error: ======= Backtrace: =========
Jan 22 08:50:11 ox dovecot: auth-worker: Error: /lib/x86_64-linux-gnu/libc.so.6(+0x70bfb)[0x7fca69d70bfb]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: /lib/x86_64-linux-gnu/libc.so.6(+0x76fc6)[0x7fca69d76fc6]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: /lib/x86_64-linux-gnu/libc.so.6(+0x7780e)[0x7fca69d7780e]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: /usr/lib/x86_64-linux-gnu/libuniventionpolicy.so.0(univention_ldap_close+0x62)[0x7fca616f5352]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: /lib/security/pam_univentionmailcyrus.so(pam_sm_authenticate+0x3ce)[0x7fca618f929e]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: /lib/x86_64-linux-gnu/libpam.so.0(+0x30d7)[0x7fca6a0a20d7]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: /lib/x86_64-linux-gnu/libpam.so.0(pam_authenticate+0x2d)[0x7fca6a0a184d]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: dovecot/auth(+0x2c674)[0x556d095ef674]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: dovecot/auth(+0x1ef49)[0x556d095e1f49]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x52)[0x7fca6a7939f2]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x109)[0x7fca6a795029]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x3c)[0x7fca6a793a8c]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38)[0x7fca6a793c38]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13)[0x7fca6a71afd3]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: dovecot/auth(main+0x398)[0x556d095d1f98]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1)[0x7fca69d202e1]
Jan 22 08:50:11 ox dovecot: auth-worker: Error: dovecot/auth(_start+0x2a)[0x556d095d21aa]
#2

Hello,

did you reboot after the upgrade to 4.3?

Please run apt-get install -f to verify the package state.

Greetings
Daniel Tröder

#3

Hello,
yes of course i have reboot the system.
Output of the command

`

root@ox:~# apt-get install -f
Paketlisten werden gelesen… Fertig
Abhängigkeitsbaum wird aufgebaut.
Statusinformationen werden eingelesen… Fertig
0 aktualisiert, 0 neu installiert, 0 zu entfernen und 0 nicht aktualisiert.

`

#4

Please verify the file integrity of the files in the traceback.
The packages of the files can be found out like this:

dpkg -S /lib/x86_64-linux-gnu/libc.so.6 /usr/lib/x86_64-linux-gnu/libuniventionpolicy.so.0 /lib/security/pam_univentionmailcyrus.so /lib/x86_64-linux-gnu/libpam.so.0 /usr/lib/dovecot/libdovecot.so.0 /usr/lib/dovecot/auth

And the integrity can then be checked with this command:

dpkg --verify libc6 libunivention-policy0 libpam-univentionmailcyrus libpam0g dovecot-core

If it prints nothing, than all files of those packages are OK.

If that’s the case, I think you’ll have to ask on the Dovecot mailing list or open a support ticket with Univention.

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