[Dovecot] Error using antispam plugin

[Juan Asensio Sánchez]

Hi

Thanks for the help, This is the result of the running commands:

pdc-server:~# dpkg -l | grep gdb
ii  gdb                               6.4.90.dfsg-1
        The GNU Debugger
ii  libgdbm3                          1.8.3-3
        GNU dbm database routines (runtime version)
pdc-server:~# dpkg -l | grep dovecot
ii  dovecot-common                    1.1.rc7-0~auto+1
        secure mail server that supports mbox and ma
ii  dovecot-dev                       1.1.rc7-0~auto+1
        header files for the dovecot mail server
ii  dovecot-imapd                     1.1.rc7-0~auto+1
        secure IMAP server that supports mbox and ma
ii  dovecot-pop3d                     1.1.rc7-0~auto+1
        secure POP3 server that supports mbox and ma
pdc-server:~# ps aux | grep imap
dovecot   2749  0.0  0.5   3312  1512 ?        S    20:45   0:00 imap-login
dovecot   2824  0.0  0.5   3308  1508 ?        S    20:52   0:00 imap-login
dovecot   2848  0.4  0.5   3308  1508 ?        S    20:54   0:00 imap-login
mailuser  2849  1.0  0.4   2540  1280 ?        S    20:54   0:00
/usr/lib/dovecot/imap
root      2852  0.0  0.2   2880   752 pts/0    R+   20:54   0:00 grep imap
pdc-server:~# gdb -p 2849
GNU gdb 6.4.90-debian
Copyright (C) 2006 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 "i486-linux-gnu".
Attaching to process 2849
Reading symbols from /usr/lib/dovecot/imap...(no debugging symbols
found)...done.
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
Reading symbols from /lib/tls/i686/cmov/libdl.so.2...(no debugging
symbols found)...done.
Loaded symbols for /lib/tls/i686/cmov/libdl.so.2
Reading symbols from /lib/tls/i686/cmov/libc.so.6...(no debugging
symbols found)...done.
Loaded symbols for /lib/tls/i686/cmov/libc.so.6
Reading symbols from /lib/ld-linux.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /usr/lib/dovecot/modules/imap/lib10_quota_plugin.so...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/dovecot/modules/imap/lib10_quota_plugin.so
Reading symbols from
/usr/lib/dovecot/modules/imap/lib11_imap_quota_plugin.so...(no
debugging symbols found)...done.
Loaded symbols for /usr/lib/dovecot/modules/imap/lib11_imap_quota_plugin.so
Reading symbols from
/usr/lib/dovecot/modules/imap/lib90_antispam_plugin.so...done.
Loaded symbols for /usr/lib/dovecot/modules/imap/lib90_antispam_plugin.so
Reading symbols from /usr/lib/dovecot/modules/imap/autocreate_plugin.so...done.
Loaded symbols for /usr/lib/dovecot/modules/imap/autocreate_plugin.so
Failed to read a valid object file image from memory.
0xb7fba410 in ?? ()
(gdb) cont
Continuing.

Program received signal SIGSEGV, Segmentation fault.
0x0809ea67 in mail_get_physical_size ()
(gdb) bt full
#0  0x0809ea67 in mail_get_physical_size ()
No symbol table info available.
#1  0xb7e795c5 in quota_mail_storage_created () from
/usr/lib/dovecot/modules/imap/lib10_quota_plugin.so
No symbol table info available.
#2  0xb7e6d02d in antispam_save_finish (ctx=0x813b720) at
antispam-storage-1.1.c:178
	asbox = (struct antispam_mailbox *) 0x8124320
	ast = (struct antispam_internal_context *) 0x8134978
	dest_mail = (struct mail *) 0x8137310
	ret = 135092783
#3  0x0805a1c8 in _start ()
No symbol table info available.
(gdb)

Regards.

2008/6/3 Johannes Berg <johannes at sipsolutions.net>:
> On Tue, 2008-06-03 at 00:51 +0200, Juan Asensio Sánchez wrote:
>> Well
>>
>> Finally i found the error. It look like antispam is not compatible
>> with quota plugin.
>>
>> mail_plugins = quota imap_quota autocreate antispam
>>
>> If i remove quota and imap_quota plugins from imap protocol,
>> everything works fine and the message is saved in sent folder.
>>
>> mail_plugins = autocreate antispam
>
> Ok, that explains why I don't see that problem.
>
>> If i enable again the plugins, the error happens again. Any solution?
>
>> > Now i have compiled dovecot-antispam plugin with the -g3 option in
>> > CFLAGS. What to do now?
>
> http://dovecot.org/bugreport.html
>
> The "debugging hangs" section is what I usually do: start mail client,
> "gdb -p $(pidof imap)", enter "cont" in gdb, do operation in mail client
> that crashes, get backtrace from gdb.
>
> johannes
>