doveadm + ldap userdb

Pavel Batkov pbatkov at hostcomm.ru
Thu Oct 1 12:28:04 UTC 2015


Hi!

OS: CentOS Linux release 7.1.1503 (Core)
Dovecot: 2.2.18
Run user listing - doveadm user '*', single user - work.

auth[20540]: segfault at 8 ip 00007fd554340c6b sp 00007ffc17c886e0 error 
4 in libauthdb_ldap.so[7fd55433b000+a000]

dovecot: auth: Fatal: master: service(auth): child 20540 killed with 
signal 11 (core dumped)
dovecot: auth: Error: net_connect_unix(auth-worker) failed: No such file 
or directory

Backtrace:

{   "signal": 11
,   "executable": "/usr/libexec/dovecot/auth"
,   "stacktrace":
       [ {   "crash_thread": true
         ,   "frames":
               [ {   "address": 139954408369259
                 ,   "build_id": "62d54c5834c6675c5ec229927d4c087a3277c1d2"
                 ,   "build_id_offset": 23659
                 ,   "function_name": "ldap_input"
                 ,   "file_name": 
"/usr/lib64/dovecot/auth/libauthdb_ldap.so"
                 }
               , {   "address": 139954486291015
                 ,   "build_id": "9ab58d2125033b7eef9f04560a7d7d28737585ce"
                 ,   "build_id_offset": 502343
                 ,   "function_name": "io_loop_call_io"
                 ,   "file_name": "/usr/lib64/dovecot/libdovecot.so.0"
                 }
               , {   "address": 139954486294735
                 ,   "build_id": "9ab58d2125033b7eef9f04560a7d7d28737585ce"
                 ,   "build_id_offset": 506063
                 ,   "function_name": "io_loop_handler_run"
                 ,   "file_name": "/usr/lib64/dovecot/libdovecot.so.0"
                 }
               , {   "address": 139954486289816
                 ,   "build_id": "9ab58d2125033b7eef9f04560a7d7d28737585ce"
                 ,   "build_id_offset": 501144
                 ,   "function_name": "io_loop_run"
                 ,   "file_name": "/usr/lib64/dovecot/libdovecot.so.0"
                 }
               , {   "address": 139954485950947
                 ,   "build_id": "9ab58d2125033b7eef9f04560a7d7d28737585ce"
                 ,   "build_id_offset": 162275
                 ,   "function_name": "master_service_run"
                 ,   "file_name": "/usr/lib64/dovecot/libdovecot.so.0"
                 }
               , {   "address": 139954491066353
                 ,   "build_id": "9e3bf53b9c2ecb0bec470c65ace47166336e650f"
                 ,   "build_id_offset": 59377
                 ,   "function_name": "main"
                 ,   "file_name": "/usr/libexec/dovecot/auth"
                 } ]
         } ]
}

 From gdb:

Core was generated by `dovecot/auth'.
Program terminated with signal 11, Segmentation fault.
#0  0x00007f49accbac6b in ldap_input () from 
/usr/lib64/dovecot/auth/libauthdb_ldap.so

(gdb) bt full
#0  0x00007f49accbac6b in ldap_input () from 
/usr/lib64/dovecot/auth/libauthdb_ldap.so
No symbol table info available.
#1  0x00007f49b170aa47 in io_loop_call_io () from 
/usr/lib64/dovecot/libdovecot.so.0
No symbol table info available.
#2  0x00007f49b170b8cf in io_loop_handler_run () from 
/usr/lib64/dovecot/libdovecot.so.0
No symbol table info available.
#3  0x00007f49b170a598 in io_loop_run () from 
/usr/lib64/dovecot/libdovecot.so.0
No symbol table info available.
#4  0x00007f49b16b79e3 in master_service_run () from 
/usr/lib64/dovecot/libdovecot.so.0
No symbol table info available.
#5  0x00007f49b1b987f1 in main ()
No symbol table info available.




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