[Dovecot] Dovecot-auth crash after upgrade to 1.2.16

[Maxim Kostikov]

Well, I took a little investigation about it and found that the problem in
new MySQL 5.5.8 client.
I believe that the better solution in this case is downgrade to 5.5.7
client.
Here is the prooflink
http://www.pubbs.net/201012/freebsd/38528-mysql-client-558-breaks-postfix-dovecot.html

2011/1/4 Maxim Kostikov <max.kostikov at gmail.com>

> Just made FreeBSD 8.1 portupgrade to new Dovecot version 1.2.16 from
> 1.2.14_1.
> In message log I has many records such this
>
>>  Jan  4 23:30:11 beta kernel: pid 15096 (dovecot-auth), uid 0: exited on s
>>>   ignal 11 (core dumped)
>>
>> Jan  4 23:30:11 beta kernel: pid 15097 (dovecot-auth), uid 0: exited on s
>>>   ignal 11 (core dumped)
>>
>> Jan  4 23:30:11 beta kernel: pid 15098 (dovecot-auth), uid 0: exited on s
>>>   ignal 11 (core dumped)
>>
>> Jan  4 23:30:11 beta kernel: pid 15099 (dovecot-auth), uid 0: exited on s
>>>   ignal 11 (core dumped)
>>
>> Jan  4 23:30:11 beta kernel: pid 15100 (dovecot-auth), uid 0: exited on s
>>>   ignal 11 (core dumped)
>>
>> Jan  4 23:30:12 beta kernel: pid 15105 (dovecot-auth), uid 0: exited on s
>>>   ignal 11 (core dumped)
>>
>> Here is backtrace of coredump
>
>>  beta# gdb /usr/local/libexec/dovecot/dovecot-auth dovecot-auth.core
>>
>> GNU gdb 6.1.1 [FreeBSD]
>>
>> Copyright 2004 Free Software Foundation, Inc.
>>
>> GDB is free software, covered by the GNU General Public License, and you
>>> are
>>
>> welcome to change it and/or distribute copies of it under certain
>>> conditions.
>>
>> Type "show copying" to see the conditions.
>>
>> There is absolutely no warranty for GDB.  Type "show warranty" for
>>> details.
>>
>> This GDB was configured as "i386-marcel-freebsd"...(no debugging symbols
>>> found)...
>>
>> Core was generated by `dovecot-auth'.
>>
>> Program terminated with signal 11, Segmentation fault.
>>
>> Reading symbols from /lib/libcrypt.so.5...(no debugging symbols
>>> found)...done.
>>
>> Loaded symbols for /lib/libcrypt.so.5
>>
>> Reading symbols from /usr/lib/libpam.so.5...(no debugging symbols
>>> found)...done.
>>
>> Loaded symbols for /usr/lib/libpam.so.5
>>
>> Reading symbols from /usr/local/lib/libmysqlclient.so.16...(no debugging
>>> symbols found)...done.
>>
>> Loaded symbols for /usr/local/lib/libmysqlclient.so.16
>>
>> Reading symbols from /lib/libz.so.5...(no debugging symbols found)...done.
>>
>> Loaded symbols for /lib/libz.so.5
>>
>> Reading symbols from /lib/libm.so.5...(no debugging symbols found)...done.
>>
>> Loaded symbols for /lib/libm.so.5
>>
>> Reading symbols from /usr/lib/librt.so.1...(no debugging symbols
>>> found)...done.
>>
>> Loaded symbols for /usr/lib/librt.so.1
>>
>> Reading symbols from /lib/libc.so.7...(no debugging symbols found)...done.
>>
>> Loaded symbols for /lib/libc.so.7
>>
>> Reading symbols from /usr/lib/libstdc++.so.6...(no debugging symbols
>>> found)...done.
>>
>> Loaded symbols for /usr/lib/libstdc++.so.6
>>
>> Reading symbols from /lib/libgcc_s.so.1...(no debugging symbols
>>> found)...done.
>>
>> Loaded symbols for /lib/libgcc_s.so.1
>>
>> Reading symbols from /usr/local/lib/nss_winbind.so.1...(no debugging
>>> symbols found)...done.
>>
>> Loaded symbols for /usr/local/lib/nss_winbind.so.1
>>
>> Reading symbols from /lib/libthr.so.3...(no debugging symbols
>>> found)...done.
>>
>> Loaded symbols for /lib/libthr.so.3
>>
>> Reading symbols from /libexec/ld-elf.so.1...(no debugging symbols
>>> found)...done.
>>
>> Loaded symbols for /libexec/ld-elf.so.1
>>
>> #0  0x1812eb34 in my_stat () from /usr/local/lib/libmysqlclient.so.16
>>
>> [New Thread 1874b140 (LWP 100098)]
>>
>> (gdb) quit
>>
>>
> and my config (wich worked perfectly before):
>
>>
>
> beta# dovecot -n
>
> # 1.2.16: /usr/local/etc/dovecot.conf
>
> # OS: FreeBSD 8.1-STABLE i386  ufs
>
> base_dir: /var/run/dovecot/
>
> protocols: imap pop3 imaps pop3s
>
> ssl_cert_file: /etc/ssl/dovecot.crt
>
> ssl_key_file: /etc/ssl/dovecot.key
>
> disable_plaintext_auth: no
>
> login_dir: /var/run/dovecot/login
>
> login_executable(default): /usr/local/libexec/dovecot/imap-login
>
> login_executable(imap): /usr/local/libexec/dovecot/imap-login
>
> login_executable(pop3): /usr/local/libexec/dovecot/pop3-login
>
> login_processes_count: 8
>
> login_max_processes_count: 32
>
> login_max_connections: 64
>
> verbose_proctitle: yes
>
> first_valid_uid: 25
>
> first_valid_gid: 0
>
> mail_access_groups: mail
>
> mail_privileged_group: mail
>
> mail_location: maildir:/var/mail/%d/%n
>
> mail_executable(default): /usr/local/libexec/dovecot/imap
>
> mail_executable(imap): /usr/local/libexec/dovecot/imap
>
> mail_executable(pop3): /usr/local/libexec/dovecot/pop3
>
> mail_plugin_dir(default): /usr/local/lib/dovecot/imap
>
> mail_plugin_dir(imap): /usr/local/lib/dovecot/imap
>
> mail_plugin_dir(pop3): /usr/local/lib/dovecot/pop3
>
> imap_client_workarounds(default): delay-newmail netscape-eoh
>> tb-extra-mailbox-sep
>
> imap_client_workarounds(imap): delay-newmail netscape-eoh
>> tb-extra-mailbox-sep
>
> imap_client_workarounds(pop3):
>
> pop3_client_workarounds(default):
>
> pop3_client_workarounds(imap):
>
> pop3_client_workarounds(pop3): outlook-no-nuls oe-ns-eoh
>
> namespace:
>
>   type: private
>
>   separator: .
>
>   inbox: yes
>
>   list: yes
>
>   subscriptions: yes
>
> namespace:
>
>   type: public
>
>   separator: .
>
>   prefix: public.
>
>   location: maildir:/var/mail/public:INDEX=~/public
>
>   list: children
>
> lda:
>
>   postmaster_address: postmaster at peek.ru
>
>   mail_plugins: sieve
>
>   mail_plugin_dir: /usr/local/lib/dovecot/lda
>
>   sendmail_path: /usr/sbin/sendmail
>
>   auth_socket_path: /var/run/dovecot/auth-master
>
> auth default:
>
>   mechanisms: cram-md5 plain login
>
>   username_format: %Lu
>
>   passdb:
>
>     driver: sql
>
>     args: /usr/local/etc/dovecot-sql.conf
>
>   userdb:
>
>     driver: sql
>
>     args: /usr/local/etc/dovecot-sql.conf
>
>   socket:
>
>     type: listen
>
>     client:
>
>       path: /var/run/dovecot/auth-client
>
>       mode: 432
>
>       user: mailnull
>
>     master:
>
>       path: /var/run/dovecot/auth-master
>
>       mode: 384
>
>       user: mailnull
>
> plugin:
>
>   sieve_global_path: /usr/local/etc/dovecot/dovecot-sieve.conf
>
>   sieve_dir: ~/sieve
>
>
>


-- 
Best regards,
Maxim V. Kostikov
ICQ #115377