2.2.21 imap core dump after enabling autoexpunge

[Tomi Vainio]

Hi,

I've enabled autoexpunge for Trash and Junk.  Now imap process core 
dumps occasionally.

   Tomppa

> program terminated by signal SEGV (no mapping at the fault address)
> 0xff0dc2e0: o_stream_get_buffer_used_size       :       ld       [%o0 + 20], %o0
> Current function is notify_ok (optimized)
>    13           if (o_stream_get_buffer_used_size(client->output) != 0)
> (dbx) where
>   [1] o_stream_get_buffer_used_size(0x0, 0x83ee8, 0x83ee8, 0x5f520, 0xfffe681c, 0xff13a978), at 0xff0dc2e0
> =>[2] notify_ok(mailbox = 0x90188, text = 0x83ee8 "Stale mailbox lock file detected, will override in 0 seconds", context = 0xa3588) (optimized), at 0x5f524 (line ~13) in "mail-storage-callbacks.c"
>   [3] dotlock_callback(0x0, 0x1, 0x90188, 0x567a61fe, 0xff1352a0, 0x2), at 0xff1ff478
>   [4] dotlock_create(0xcc3d8, 0x2dc6c0, 0x1, 0x0, 0x0, 0x567a61fe), at 0xff0b0e68
>   [5] file_dotlock_create_real(0xcc3d8, 0x1, 0x541c, 0x4, 0xff1352a0, 0xff13a6bc), at 0xff0b1104
>   [6] file_dotlock_create(0xbf674, 0x8f990, 0x1, 0xbf690, 0x5, 0xcc3d8), at 0xff0b126c
>   [7] maildir_uidlist_lock_timeout(0xbf648, 0x1, 0x1, 0x1, 0x3f, 0x26c00), at 0xff1ff0ec
>   [8] maildir_uidlist_sync_lock(0xbf648, 0x8, 0xffbff59f, 0x1, 0x1, 0xf19c8), at 0xff2035bc
>   [9] maildir_uidlist_sync_init(0xbf648, 0x8, 0x83d20, 0x1, 0x44, 0xff2f502c), at 0xff203680
>   [10] maildir_sync_context(0x83d08, 0x1, 0x0, 0xffbff707, 0x83d20, 0x83d08), at 0xff1fe290
>   [11] maildir_sync_run(0x90188, 0x44, 0x0, 0x0, 0x0, 0x90420), at 0xff1fe74c
>   [12] maildir_storage_sync_init(0x90188, 0x44, 0x541c, 0x0, 0x80, 0xff2f502c), at 0xff1feaa0
>   [13] mailbox_sync(0x90188, 0x44, 0x0, 0x4, 0x44, 0x90388), at 0xff1b91cc
>   [14] index_mailbox_get_metadata(0x90188, 0x40, 0xffbff910, 0x0, 0xff2f502c, 0x0), at 0xff273858
>   [15] maildir_mailbox_get_metadata(0x90188, 0x40, 0xffbff910, 0xfffffff8, 0x0, 0xff2f502c), at 0xff1f9e4c
>   [16] mailbox_get_metadata(0x90188, 0x40, 0xffbff910, 0x0, 0xff2f502c, 0x2), at 0xff1b8ecc
>   [17] mailbox_autoexpunge(0x90188, 0x5651837e, 0xa1e28, 0xa2630, 0x0, 0x0), at 0xff1a6fcc
>   [18] mail_user_autoexpunge(0x9eaf4, 0x8, 0x5651837e, 0xff2f502c, 0x9c290, 0xffbff9ac), at 0xff1a72e8
>   [19] mail_user_unref(0x9de20, 0xfffd135c, 0xff2f502c, 0x1, 0xff2c6388, 0xa35d4), at 0xff1c328c
>   [20] client_default_destroy(client = 0xa3588, reason = <value unavailable>) (optimized), at 0x41c8c (line ~390) in "imap-client.c"
>   [21] io_loop_call_io(0x9ca18, 0xfffdbba8, 0x0, 0xff1352a0, 0x8c6b8, 0x24400), at 0xff0c8fd4
>   [22] io_loop_handler_run_internal(0x8c6b8, 0x1, 0x0, 0x8d1b8, 0x1, 0x9ca18), at 0xff0cadd8
>   [23] io_loop_run(0x8c6b8, 0x1, 0xc0, 0xff13b26c, 0xff1352a0, 0x8d1b8), at 0xff0c90fc
>   [24] master_service_run(0x8c608, 0x60fe0, 0x1, 0x80, 0x27c00, 0x2), at 0xff0236c8
>   [25] main(argc = <value unavailable>, argv = 0x1) (optimized), at 0x619c4 (line ~442) in "main.c"
> (dbx)

> # 2.2.21 (5345f22): /usr/local/etc/dovecot/dovecot.conf
> # OS: SunOS 5.10 sun4u
> base_dir = /var/run/dovecot/
> dsync_remote_cmd = ssh -l%{login} %{host} /usr/local/bin/doveadm dsync-server -u%u -U
> first_valid_uid = 100
> last_valid_uid = 199
> mail_location = maildir:~/Maildir
> mail_plugins = fts fts_solr
> namespace inbox {
>   inbox = yes
>   location =
>   mailbox "Deleted Messages" {
>     special_use = \Trash
>   }
>   mailbox Drafts {
>     special_use = \Drafts
>   }
>   mailbox Junk {
>     auto = create
>     autoexpunge = 31 days
>     special_use = \Junk
>   }
>   mailbox Sent {
>     auto = subscribe
>     special_use = \Sent
>   }
>   mailbox "Sent Messages" {
>     special_use = \Sent
>   }
>   mailbox Spam {
>     special_use = \Junk
>   }
>   mailbox Trash {
>     autoexpunge = 31 days
>     special_use = \Trash
>   }
>   prefix =
> }
> passdb {
>   driver = pam
> }
> plugin {
>   fts = solr
>   fts_autoindex = yes
>   fts_solr = url=http://127.0.0.1:8983/solr/ break-imap-search
> }
> protocols = imap
> service auth {
>   user = root
> }
> service imap-login {
>   inet_listener imap {
>     address = localhost
>     port = 143
>   }
>   inet_listener imaps {
>     address = *
>     port = 993
>   }
> }
> ssl_cert = </etc/mail/certs/server-all.crt
> ssl_cipher_list = AES128+EECDH:AES128+EDH
> ssl_dh_parameters_length = 2048
> ssl_key = </etc/mail/certs/server.key
> ssl_prefer_server_ciphers = yes
> ssl_protocols = !SSLv2 !SSLv3
> userdb {
>   driver = passwd
> }