Dovecot 2.3.7.2 lucene segfault and coredump

Mon Sep 16 18:05:32 EEST 2019

Op 16-9-2019 om 11:53 schreef Domenico Pastore via dovecot:
>
> Hi,
>
> I have other information.
>
> I analyzed the core dump:
>
> (gdb) core 22534
> [New LWP 22534]
> Reading symbols from /usr/libexec/dovecot/doveadm-server...Reading 
> symbols from 
> /usr/lib/debug/usr/libexec/dovecot/doveadm-server.debug...done.
> done.
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib64/libthread_db.so.1".
> Core was generated by `dovecot-devel01/doveadm-server'.
> Program terminated with signal 11, Segmentation fault.
> #0  clear (this=0x0) at 
> /usr/src/debug/clucene-core-2.3.3.4/src/core/CLucene/util/VoidMap.h:123
> 123            if ( dk || dv ){
> (gdb)
>

Can you issue GDB command `bt full` at this point?

Regards,

Stephan.
>
>
> Br,
>
> Domenico
>
> *Domenico Pastore*
> Senior Cloud Engineer
> *T* 06.98269600 | *M* 347.1474270 | *F* 06.98269680
> *Par-Tec <http://www.par-tec.it>* | *beyond the IT domain*
> Via Cristoforo Colombo 163, 00147 Roma
> *CONFIDENZIALE*: Questo messaggio ed i suoi allegati sono di carattere 
> confidenziale. È vietato l'inoltro non autorizzato a destinatari 
> diversi da quelli indicati nel messaggio originale. Se ricevuto per 
> errore si prega di informare il mittente e cancellarlo immediatamente.
>
> Il 16/09/19 09:50, Domenico Pastore via dovecot ha scritto:
>>
>> Hi,
>>
>> do you have the same problem with lucene?
>>
>> I collected a strace on the dovecot process during indexing:
>>
>> [pid 31339] execve("/usr/libexec/dovecot/doveadm-server", 
>> ["dovecot-devel01/doveadm-server"], [/* 18 vars */] <unfinished ...>
>> [pid 30711] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, 
>> si_pid=30932, si_uid=0, si_status=SIGSEGV, si_utime=3, si_stime=1} ---
>> [pid 30711] write(62, "\0", 1)          = 1
>> [pid 30711] read(124, "8x\0\0008\0\0\0\251\3\0\0", 1020) = 12
>> [pid 30711] read(61, "\0", 64)          = 1
>> [pid 30711] open("/proc/sys/fs/suid_dumpable", O_RDONLY) = 227
>> [pid 30711] read(227, "0\n", 9)         = 2
>> [pid 30711] write(65, "25 30932 FATAL service(doveadm): child 30932 
>> killed with signal 11 (core not dumped - 
>> https://dovecot.org/bugreport.html#coredumps - set 
>> /proc/sys/fs/suid_dumpable to 2)\n", 170) = 170
>> [pid 30711] write(14, "KILL\t30932\n", 11) = 11
>> [pid 30711] write(65, "25 30932 BYE\n", 13) = 13
>> [pid 31339] <... execve resumed> )      = 0
>> [pid 31339] open("/usr/lib64/dovecot/tls/x86_64/libz.so.1", 
>> O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
>> [pid 31339] stat("/usr/lib64/dovecot/tls/x86_64", 0x7ffda7e3f1d0) = 
>> -1 ENOENT (No such file or directory)
>> [pid 31339] open("/usr/lib64/dovecot/tls/libz.so.1", 
>> O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
>> [pid 31339] stat("/usr/lib64/dovecot/tls", 0x7ffda7e3f1d0) = -1 
>> ENOENT (No such file or directory)
>> [pid 31339] open("/usr/lib64/dovecot/x86_64/libz.so.1", 
>> O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
>> [pid 31339] stat("/usr/lib64/dovecot/x86_64", 0x7ffda7e3f1d0) = -1 
>> ENOENT (No such file or directory)
>> [pid 31339] open("/usr/lib64/dovecot/libz.so.1", O_RDONLY|O_CLOEXEC) 
>> = -1 ENOENT (No such file or directory)
>> [pid 31339] stat("/usr/lib64/dovecot", {st_mode=S_IFDIR|0755, 
>> st_size=4096, ...}) = 0
>> [pid 31339] open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 4
>> [pid 31339] open("/lib64/libz.so.1", O_RDONLY|O_CLOEXEC) = 4
>>
>>
>> All missing libs are in "/usr/lib64" and no to "/usr/lib64/dovecot"
>>
>> Can you help me?
>>
>> Br,
>>
>> Domenico
>>
>>
>>
>> *Domenico Pastore*
>> Senior Cloud Engineer
>> *T* 06.98269600 | *M* 347.1474270 | *F* 06.98269680
>> *Par-Tec <http://www.par-tec.it>* | *beyond the IT domain*
>> Via Cristoforo Colombo 163, 00147 Roma
>> *CONFIDENZIALE*: Questo messaggio ed i suoi allegati sono di 
>> carattere confidenziale. È vietato l'inoltro non autorizzato a 
>> destinatari diversi da quelli indicati nel messaggio originale. Se 
>> ricevuto per errore si prega di informare il mittente e cancellarlo 
>> immediatamente.
>>
>> Il 12/09/19 12:07, Domenico Pastore via dovecot ha scritto:
>>>
>>> Hi,
>>>
>>> i have a problem with libclucene-core.so.2.3.3.4.
>>> I See segfault error to messages log, when dovecot store mail to INBOX.
>>>
>>> set 12 13:41:21 box02.par-tec.it kernel: doveadm-server[20285]: 
>>> *segfault at 38 ip 00007f575b68fc42 sp 00007ffc0272e750 error 4 in 
>>> libclucene-core.so.2.3.3.4*[7f575b569000+188000]
>>> set 12 13:41:22 box02.par-tec.it kernel: doveadm-server[18871]: 
>>> segfault at 38 ip 00007f9bea6d2c42 sp 00007fff47bceae0 error 4 in 
>>> libclucene-core.so.2.3.3.4[7f9bea5ac000+188000]
>>>
>>> In the dovecot logs:
>>>
>>> 2019-09-12 13:45:09 auth: Debug: 
>>> ldap(test4444client at newsvilXXXX,10.0.8.128): Finished userdb lookup
>>> 2019-09-12 13:45:09 auth: Debug: userdb out: USER    1 
>>> test4444client at newsvilXXXX 
>>> home=/pec_store/pec_mailbox/pec_mailbox_devel01/4/5/6/7/1/45671_18231 
>>> quota_rule=*:bytes=1048576000    mail_plugins+=
>>> 2019-09-12 13:45:10  SKENO8Uvel0gbAAA5ZKy4w 
>>> doveadm(test4444client at newsvilXXXX): *Fatal: master: 
>>> service(doveadm): child 27680 killed with signal 11 (core dumped)*
>>> 2019-09-12 13:45:10 auth: Debug: master in: USER    1 
>>> test4444client at newsvilXXXX    service=doveadm lip=192.160.10.3    
>>> lport=924    rip=10.0.8.128 rport=36760
>>> 2019-09-12 13:45:10 auth: Debug: ldap(test4444client at newsvilXXXX 
>>> 10.0.8.128): Performing userdb lookup
>>>
>>> I have attach the coredump of error and dovecot.conf
>>>
>>> Thanks for support.
>>>
>>> Br,
>>>
>>> Domenico
>>>
>>>
>>> ------------------- info: -------------------
>>> # 2.3.7.2 (3c910f64b): /pec/config/dovecot/dovecot-devel01/dovecot.conf
>>> # Pigeonhole version 0.5.7.2 (7372921a)
>>> # OS: Linux 3.10.0-957.27.2.el7.x86_64 x86_64 CentOS Linux release 
>>> 7.6.1810 (Core)
>>> # Hostname: box02
>>>
>>>
>>>
>>>
>>>