[Dovecot] Dovecot deliver Segmentation fault when arrive the first message

Alessio Cecchi alessio at skye.it
Wed Sep 19 16:07:31 EEST 2012


Il 19/09/2012 15:03, Alessio Cecchi ha scritto:
> Il 19/09/2012 14:48, Timo Sirainen ha scritto:
>> On 19.9.2012, at 13.54, Alessio Cecchi wrote:
>>
>>> LDA is configured and works fine but the problem is when the first 
>>> message arrive "dovecot-lda" return a "Segmentation fault", the 
>>> message is written to the user's Mailbox but the message remains, 
>>> also, in the queue of qmail (deferral: Segmentation_fault/) and at 
>>> the second attempt is delivered fine.
>> gdb backtrace would be very helpful in figuring out the problem: 
>> http://dovecot.org/bugreport.html
>>
>
> Obvious ... :-)
>
> Reading symbols from 
> /usr/local/dovecot-2.1/lib/dovecot/lib01_acl_plugin.so...done.
> Loaded symbols for /usr/local/dovecot-2.1/lib/dovecot/lib01_acl_plugin.so
> Reading symbols from 
> /usr/local/dovecot-2.1/lib/dovecot/lib10_quota_plugin.so...done.
> Loaded symbols for 
> /usr/local/dovecot-2.1/lib/dovecot/lib10_quota_plugin.so
> Core was generated by `/usr/local/dovecot-2.1/libexec/dovecot/deliver 
> -d cecchi10 at qboxdns.it'.
> Program terminated with signal 11, Segmentation fault.
> #0  acl_lookup_dict_rebuild (dict=0x0) at acl-lookup-dict.c:221
> 221        if (dict->dict == NULL)
>
> is enough?

This is the full bt:

(gdb) bt full
#0  acl_lookup_dict_rebuild (dict=0x0) at acl-lookup-dict.c:221
         ns = <value optimized out>
         ids_arr = {arr = {buffer = 0x0, element_size = 26492496}, v = 0x0,
           v_modifiable = 0x0}
         ids = 0x1928658
         i = <value optimized out>
         dest = <value optimized out>
         ret = -883075307
#1  0x00007f2fc9fc41b4 in acl_backend_vfile_acllist_try_rebuild (
     backend=0x1944240) at acl-backend-vfile-acllist.c:297
         auser = 0x1949a08
         iter = 0x0
         acllist_path = 0x1928658 
"/home/vpopmail/domains/qboxdns.it/cecchi10/Maildir/dovecot-acl-list"
         ret = <value optimized out>
         ns = 0x1943e50
         output = 0x0
         st = {st_dev = 2051, st_ino = 662103, st_nlink = 1, st_mode = 
33152,
           st_uid = 89, st_gid = 89, __pad0 = 0, st_rdev = 0, st_size = 0,
           st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 
1348059559,
             tv_nsec = 0}, st_mtim = {tv_sec = 1348059559, tv_nsec = 0},
           st_ctim = {tv_sec = 1348059559, tv_nsec = 0}, __unused = {0, 
0, 0}}
         path = 0x1928210

         file_mode = 384
         dir_mode = 448
         gid = 4294967295
         list = <value optimized out>
         info = <value optimized out>
         rootdir = 0x1928610 "Sent"
         origin = 0x194d178 
"/home/vpopmail/domains/qboxdns.it/cecchi10/Maildir"
         fd = 8
#2  acl_backend_vfile_acllist_rebuild (backend=0x1944240)
     at acl-backend-vfile-acllist.c:311
         acllist_path = <value optimized out>
#3  0x00007f2fc9fc4563 in acl_backend_vfile_acllist_refresh 
(backend=0x1944240)
     at acl-backend-vfile-acllist.c:153
         __FUNCTION__ = "acl_backend_vfile_acllist_refresh"
#4  0x00007f2fc9fc46d5 in acl_backend_vfile_acllist_verify (backend=0x0,
     name=0x1944a60 "", mtime=0) at acl-backend-vfile-acllist.c:343
         acllist = <value optimized out>
#5  0x00007f2fc9fc30b8 in acl_backend_vfile_object_refresh_cache (
     _aclobj=0x19444e0) at acl-backend-vfile.c:858
         old_validity = <value optimized out>
         validity = {global_validity = {last_check = 0,
             last_read_time = 1348059559, last_mtime = 0, last_size = 0},
           local_validity = {last_check = 0, last_read_time = 0,

             last_mtime = 0, last_size = 0}, mailbox_validity = {
             last_check = 0, last_read_time = 0, last_mtime = 0, 
last_size = 0}}
         mtime = 0
         ret = 26515976
#6  0x00007f2fc9fc125e in acl_backend_get_default_rights 
(backend=0x1944240,
     mask_r=0x28) at acl-backend.c:164
No locals.
#7  0x00007f2fc9fc75bd in acl_mailbox_try_list_fast (list=0x194cc00,
     patterns=0x7fff362dff50, flags=MAILBOX_LIST_ITER_RETURN_NO_FLAGS)
     at acl-mailbox-list.c:107
         alist = <value optimized out>
         nonowner_list_ctx = <value optimized out>
         ret = <value optimized out>
         backend = 0x1944240
         acl_mask = 0x1
         ns = 0x1943e50
         update_ctx = {iter_ctx = 0x7f2fcb80d2c8, tree_ctx = 
0x7f2fcbf2ba88,
           glob = 0x0, leaf_flags = 4294967295, parent_flags = 0,
           update_only = 0, match_parents = 0}
         name = <value optimized out>
#8  acl_mailbox_list_iter_init (list=0x194cc00, patterns=0x7fff362dff50,
     flags=MAILBOX_LIST_ITER_RETURN_NO_FLAGS) at acl-mailbox-list.c:194
         _data_stack_cur_id = 2

         ctx = 0x1946b20
         pool = <value optimized out>
         i = <value optimized out>
         inboxcase = <value optimized out>
#9  0x00007f2fcb886d33 in mailbox_list_iter_init_multiple (list=0x194cc00,
     patterns=0x7fff362dff50, flags=MAILBOX_LIST_ITER_RETURN_NO_FLAGS)
     at mailbox-list-iter.c:158
         ctx = <value optimized out>
         ret = <value optimized out>
         __FUNCTION__ = "mailbox_list_iter_init_multiple"
#10 0x00007f2fcb887459 in mailbox_list_iter_init (list=0x0,
     pattern=<value optimized out>, flags=1348059559) at 
mailbox-list-iter.c:58
         patterns = {0x7f2fc9db76dc "*", 0x0}
#11 0x00007f2fc9db2370 in quota_count_namespace (root=0x1944950,
     bytes_r=<value optimized out>, count_r=0x7fff362dfff0) at 
quota-count.c:73
         ctx = 0x7f2fcb5beef3
         info = <value optimized out>
#12 quota_count (root=0x1944950, bytes_r=<value optimized out>,
     count_r=0x7fff362dfff0) at quota-count.c:111
         i = 0
         ret = 0
#13 0x00007f2fc9db37ce in dict_quota_count (root=0x0, want_bytes=true,
     value_r=0x7fff362e0038) at quota-dict.c:113

         dt = <value optimized out>
         bytes = 0
         count = 0
#14 0x00007f2fc9db395a in dict_quota_update_callback (
     ret=<value optimized out>, context=0x1949a08) at quota-dict.c:178
         value = 1
#15 0x00007f2fcb592258 in client_dict_finish_transaction (dict=0x194c7f0,
     line_r=<value optimized out>) at dict-client.c:265
         ctx = 0x1984190
#16 client_dict_read_one_line (dict=0x194c7f0, line_r=<value optimized out>)
     at dict-client.c:356
         id = 1
         line = <value optimized out>
         ret = 0
         __FUNCTION__ = "client_dict_read_one_line"
#17 0x00007f2fcb592565 in client_dict_wait (_dict=<value optimized out>)
     at dict-client.c:520
         dict = 0x194c7f0
         line = 0x0
         ret = <value optimized out>
#18 0x00007f2fc9db3ab5 in dict_quota_deinit (_root=<value optimized out>)
     at quota-dict.c:90
         root = 0x1944950

#19 0x00007f2fc9dafc72 in quota_root_deinit (root=0x0) at quota.c:240
         pool = 0x194c5c0
#20 0x00007f2fc9db16e1 in quota_deinit (_quota=0x1949a38) at quota.c:335
         quota = 0x1944720
         i = 2
#21 0x00007f2fc9db61dd in quota_user_deinit (user=0x19483c0)
     at quota-storage.c:412
         quser = 0x1949a30
         quota_set = 0x1946f30
#22 0x00007f2fcb88188e in mail_user_unref (_user=<value optimized out>)
     at mail-user.c:153
         user = 0x19483c0
         __FUNCTION__ = "mail_user_unref"
#23 0x0000000000402de2 in main (argc=3, argv=0x192d370) at main.c:481
         set_roots = {0x604640, 0x0}
         ctx = {pool = 0x192df60, set = 0x1930720, session = 0x192df80,
           dup_ctx = 0x0, session_id = 0x0, src_mail = 0x0,
           src_envelope_sender = 0x0, dest_user = 0x0,
           dest_addr = 0x192d3c2 "cecchi10 at qboxdns.it",
           final_dest_addr = 0x192d3c2 "cecchi10 at qboxdns.it",
           dest_mailbox_name = 0x4034d9 "INBOX", dest_mail = 0x0,
           var_expand_table = 0x192e050, tried_default_save = true,
           saved_mail = true, save_dest_mail = false, mailbox_full = false,

           dsn = false}
         service_flags = <value optimized out>
         user = 0x192d3c2 "cecchi10 at qboxdns.it"
         errstr = 0x0
         path = 0x7fff362e0368 "\351\a"
         storage_service = 0x192f3a0
         service_user = 0x192fd48
         service_input = {module = 0x4034d5 "lda", service = 0x4034d5 
"lda",
           username = 0x192d3c2 "cecchi10 at qboxdns.it", session_id = 0x0,
           local_ip = {family = 0, u = {ip6 = {__in6_u = {
                   __u6_addr8 = '\000' <repeats 15 times>, __u6_addr16 = 
{0, 0,
                     0, 0, 0, 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}, 
ip4 = {
                 s_addr = 0}}}, remote_ip = {family = 0, u = {ip6 = 
{__in6_u = {
                   __u6_addr8 = '\000' <repeats 15 times>, __u6_addr16 = 
{0, 0,
                     0, 0, 0, 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}, 
ip4 = {
                 s_addr = 0}}}, local_port = 0, remote_port = 0,
           userdb_fields = 0x0, flags_override_add = 0,
           flags_override_remove = 0, no_userdb_lookup = 0}
         storage = 0x1943f30
         user_source = <value optimized out>
         destaddr_source = 0x403594 "user at hostname"
         process_euid = <value optimized out>
         stderr_rejection = false

         ret = <value optimized out>
         c = <value optimized out>
         error = MAIL_ERROR_NONE
(gdb)

Sorry

-- 
Alessio Cecchi is:
@ ILS -> http://www.linux.it/~alessice/
on LinkedIn -> http://www.linkedin.com/in/alessice
Assistenza Sistemi GNU/Linux -> http://www.cecchi.biz/
@ PLUG -> ex-Presidente, adesso senatore a vita, http://www.prato.linux.it




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