Sorry, I attached old backtrace..

auth[28503]: segfault at 28 ip 00007f6aadc0c831 sp 00007ffc368ae0e0 error 4 in auth[7f6aadbef000+49000]

(gdb) bt full #0 auth_worker_server_resume_input (conn=0x0) at auth-worker-server.c:476 No locals. #1 0x00007f6aadc1a4ee in userdb_blocking_iter_deinit (_ctx=_ctx@entry=0x7f6aae0e0ac8) at userdb-blocking.c:126 ctx = <optimized out> ret = 0 #2 0x00007f6aadc008d1 in master_input_list_finish (ctx=0x7f6aae0e0ac0) at auth-master-connection.c:448 __FUNCTION__ = "master_input_list_finish" #3 0x00007f6aadc00e3d in auth_master_connection_destroy (_conn=_conn@entry=0x7ffc368ae140) at auth-master-connection.c:785 conn = 0x7f6aae0df650 #4 0x00007f6aadc01b34 in auth_master_connections_destroy_all () at auth-master-connection.c:834 conn = 0x0 #5 0x00007f6aadbfda5f in main_deinit () at main.c:279 l = <optimized out> #6 main (argc=1, argv=0x7f6aae09e3a0) at main.c:395 c = <optimized out>

{ "signal": 11 , "executable": "/usr/libexec/dovecot/auth" , "stacktrace": [ { "crash_thread": true , "frames": [ { "address": 140096158353457 , "build_id": "f367e23a12ce8b183a0d3abe4abfe69734c0a787" , "build_id_offset": 120881 , "function_name": "auth_worker_server_resume_input" , "file_name": "/usr/libexec/dovecot/auth" } , { "address": 140096158409966 , "build_id": "f367e23a12ce8b183a0d3abe4abfe69734c0a787" , "build_id_offset": 177390 , "function_name": "userdb_blocking_iter_deinit" , "file_name": "/usr/libexec/dovecot/auth" } , { "address": 140096158304465 , "build_id": "f367e23a12ce8b183a0d3abe4abfe69734c0a787" , "build_id_offset": 71889 , "function_name": "master_input_list_finish" , "file_name": "/usr/libexec/dovecot/auth" } , { "address": 140096158305853 , "build_id": "f367e23a12ce8b183a0d3abe4abfe69734c0a787" , "build_id_offset": 73277 , "function_name": "auth_master_connection_destroy" , "file_name": "/usr/libexec/dovecot/auth" } , { "address": 140096158309172 , "build_id": "f367e23a12ce8b183a0d3abe4abfe69734c0a787" , "build_id_offset": 76596 , "function_name": "auth_master_connections_destroy_all" , "file_name": "/usr/libexec/dovecot/auth" } , { "address": 140096158292575 , "build_id": "f367e23a12ce8b183a0d3abe4abfe69734c0a787" , "build_id_offset": 59999 , "function_name": "main" , "file_name": "/usr/libexec/dovecot/auth" } ] } ] }

01.10.2015 15:28, Pavel Batkov пишет:

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.