lmtp issues with specific message on dovecot 2.3.2
Stephan Bosch
stephan at rename-it.nl
Tue Jul 3 17:03:20 EEST 2018
Hi,
Can you send me the Sieve scripts involved in this incident and an
example message that triggers the problem?
Regards,
Stephan.
Op 3-7-2018 om 4:04 schreef Ricardo Machini Barbosa:
> Hello,
>
> I am getting crash on lmtp for specific message on dovecot 2.3.2
> See below the backtrace:
>
> Jul 02 22:54:20 Panic: lmtp(xxx)<172769><yL/kH0zXOlvhogIAF3haWw:3>: Buffer
> write out of range (23153 + 18446744073709551614)
> Jul 02 22:54:20 Error: lmtp(xxx)<172769><yL/kH0zXOlvhogIAF3haWw:3>: Raw
> backtrace: /usr/lib64/dovecot/libdovecot.so.0(+0xcdfe4) [0x7f1fc8df9fe4] ->
> /usr/lib64/dovecot/libdovecot.so.0(+0xce09e) [0x7f1fc8dfa09e] ->
> /usr/lib64/dovecot/libdovecot.so.0(i_fatal+0) [0x7f1fc8d69424] ->
> /usr/lib64/dovecot/libdovecot.so.0(buffer_write+0xfc) [0x7f1fc8df425c] ->
> /usr/lib64/dovecot/libdovecot-sieve.so.0(rfc2822_header_append+0xe7)
> [0x7f1fc5dd1087] -> /usr/lib64/dovecot/libdovecot-sieve.so.0(+0x5c01c)
> [0x7f1fc5dac01c] -> /usr/lib64/dovecot/libdovecot-sieve.so.0(+0x40219)
> [0x7f1fc5d90219] ->
> /usr/lib64/dovecot/libdovecot-sieve.so.0(sieve_result_execute+0x2ef)
> [0x7f1fc5d91c2f] -> /usr/lib64/dovecot/libdovecot-sieve.so.0(+0x525be)
> [0x7f1fc5da25be] ->
> /usr/lib64/dovecot/libdovecot-sieve.so.0(sieve_multiscript_run+0x96)
> [0x7f1fc5da3456] -> /usr/lib64/dovecot/lib90_sieve_plugin.so(+0x3847)
> [0x7f1fc6009847] ->
> /usr/lib64/dovecot/libdovecot-lda.so.0(mail_deliver+0xec) [0x7f1fc93fff7c]
> -> dovecot/lmtp [10.0.5.1 DATA](lmtp_local_data+0x6eb) [0x55f5bce9d97b] ->
> dovecot/lmtp [10.0.5.1 DATA](cmd_data_continue+0x25d) [0x55f5bce9c48d] ->
> /usr/lib64/dovecot/libdovecot.so.0(+0x4ffa2) [0x7f1fc8d7bfa2] ->
> /usr/lib64/dovecot/libdovecot.so.0(io_loop_call_io+0x65) [0x7f1fc8e11a75] ->
> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x10f)
> [0x7f1fc8e1335f] ->
> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0x52)
> [0x7f1fc8e11b72] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0x38)
> [0x7f1fc8e11d98] ->
> /usr/lib64/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f1fc8d8d723]
> -> dovecot/lmtp [10.0.5.1 DATA](main+0x229) [0x55f5bce9b4b9] ->
> /lib64/libc.so.6(__libc_start_main+0xf5) [0x7f1fc8981445] -> dovecot/lmtp
> [10.0.5.1 DATA](+0x55e5) [0x55f5bce9b5e5]
> Jul 02 22:54:20 Fatal: lmtp(xxx)<172769><yL/kH0zXOlvhogIAF3haWw:3>: master:
> service(lmtp): child 172769 killed with signal 6 (core dumps disabled -
> https://dovecot.org/bugreport.html#coredumps)
>
> uname –a
> Linux mailsrv01 3.10.0-862.3.3.el7.x86_64 #1 SMP Fri Jun 15 04:15:27 UTC
> 2018 x86_64 x86_64 x86_64 GNU/Linux
>
> dovecot –version
> 2.3.2 (582970113)
>
> # 2.3.2 (582970113): /etc/dovecot/dovecot.conf
> # Pigeonhole version 0.5.2 (7704de5e)
> # OS: Linux 3.10.0-862.3.3.el7.x86_64 x86_64 CentOS Linux release 7.5.1804
> (Core)
> # Hostname: mailsrv01
> auth_master_user_separator = * auth_verbose_passwords = sha1
> default_client_limit = 2000 deliver_log_format = subject=%s from:%f
> sender:%e to: %{to_envelope} size:%p msgid=%m status=%$
> delivery_time=%{delivery_time} session_time=%{session_time}
> disable_plaintext_auth = no doveadm_allowed_commands = quota
> get,dsync-server,kick,purge,fts rescan,altmove,mailbox list,expunge,mailbox
> status doveadm_password = # hidden, use -P to show it
> lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes
> lmtp_rcpt_check_quota = yes login_greeting = IMAP4.
> login_trusted_networks = x.x.x.x/24
> mail_fsync = never
> mail_gid = xxx
> mail_location = mdbox:~/mdbox:ALT=/altstorage%h/mdbox
> mail_plugins = quota quota_clone fts fts_solr zlib mail_uid = xxx
> managesieve_notify_capability = mailto managesieve_sieve_capability =
> fileinto reject envelope encoded-character vacation subaddress
> comparator-i;ascii-numeric relational regex imap4flags copy include
> variables body enotify environment mailbox date ihave duplicate vnd.dovecot
> .filter namespace inbox {
> inbox = yes
> list = yes
> location =
> mailbox "Itens Enviados" {
> auto = subscribe
> special_use = \Sent
> }
> mailbox "Itens Excluídos" {
> auto = subscribe
> special_use = \Trash
> }
> mailbox Rascunhos {
> auto = subscribe
> special_use = \Drafts
> }
> mailbox Spam {
> auto = subscribe
> special_use = \Junk
> }
> prefix =
> separator = .
> }
> passdb {
> args = /etc/dovecot/dovecot-ldap.conf.ext
> driver = ldap
> }
> plugin {
> fts = solr
> fts_solr = url=http://x.x.x.x:8983/solr/dovecot/
> imapsieve_mailbox1_before = file:/etc/dovecot/antispam/report-spam.sieve
> imapsieve_mailbox1_causes = COPY
> imapsieve_mailbox1_name = Spam
> imapsieve_mailbox2_before = file:/etc/dovecot/antispam/report-ham.sieve
> imapsieve_mailbox2_causes = COPY
> imapsieve_mailbox2_from = Spam
> imapsieve_mailbox2_name = *
> last_login_dict = redis:host=x.x.x.x:port=6379
> quota = count:User quota
> quota_clone_dict = redis:host=x.x.x.x:port=6379
> quota_rule = *:bytes=0
> quota_rule2 = Itens Excluídos:storage=+xM
> quota_vsizes = yes
> quota_warning = storage=95%% quota-warning 95 %u
> quota_warning2 = storage=80%% quota-warning 80 %u
> sieve = ~/.dovecot.sieve
> sieve_before = /etc/dovecot/sieve/audit.sieve
> sieve_before2 = /etc/dovecot/sieve/duplicate.sieve
> sieve_before3 = /etc/dovecot/sieve/spam.sieve
> sieve_dir = ~/sieve
> sieve_global_extensions = +vnd.dovecot.pipe
> sieve_pipe_bin_dir = /etc/dovecot/antispam
> sieve_plugins = sieve_imapsieve sieve_extprograms
> sieve_vacation_default_period = 7d
> sieve_vacation_max_period = 30d
> sieve_vacation_min_period = 1h
> }
> protocols = imap pop3 lmtp sieve
> service anvil {
> client_limit = 2000
> }
> service auth {
> client_limit = 2000
> }
> service doveadm {
> inet_listener {
> port = 9011
> }
> inet_listener http {
> port = 9010
> }
> vsz_limit = 768 M
> }
> service imap-login {
> process_limit = 800
> process_min_avail = 200
> service_count = 1
> vsz_limit = 512 M
> }
> service imap-postlogin {
> executable = script-login dovecot-postlogin imap
> unix_listener imap-postlogin {
> user = mail
> }
> user = $default_internal_user
> }
> service imap {
> executable = imap imap-postlogin
> process_limit = 20000
> vsz_limit = 768 M
> }
> service indexer-worker {
> vsz_limit = 512 M
> }
> service lmtp {
> inet_listener lmtp {
> address = *
> port = 24
> }
> vsz_limit = 512 M
> }
> service managesieve-login {
> inet_listener sieve {
> port = 4190
> }
> process_min_avail = 10
> }
> service managesieve {
> process_limit = 512
> }
> service pop3-postlogin {
> executable = script-login dovecot-postlogin pop3
> unix_listener pop3-postlogin {
> user = mail
> }
> user = $default_internal_user
> }
> service pop3 {
> executable = pop3 pop3-postlogin
> }
> service quota-warning {
> executable = script quota-warning
> unix_listener quota-warning {
> user = mail
> }
> }
> service stats {
> chroot = empty
> client_limit = 20000
> drop_priv_before_exec = no
> executable = stats
> extra_groups =
> group =
> idle_kill = 4294967295 secs
> privileged_group =
> process_limit = 1
> process_min_avail = 0
> protocol =
> service_count = 0
> type =
> unix_listener stats-reader {
> group =
> mode = 0600
> user =
> }
> unix_listener stats-writer {
> group =
> mode = 0600
> user =
> }
> user = $default_internal_user
> vsz_limit = 18446744073709551615 B
> }
> ssl = no
> submission_host = x.x.x.x
> userdb {
> driver = prefetch
> }
> userdb {
> args = /etc/dovecot/dovecot-ldap.conf.ext
> driver = ldap
> }
> verbose_proctitle = yes
> protocol lda {
> mail_fsync = optimized
> mail_plugins = quota quota_clone sieve } protocol imap {
> imap_max_line_length = 128 k
> mail_max_userip_connections = 30
> mail_plugins = quota quota_clone fts fts_solr zlib imap_quota last_login
> imap_sieve } protocol lmtp {
> mail_fsync = optimized
> mail_plugins = quota quota_clone sieve } protocol pop3 {
> mail_max_userip_connections = 10
> mail_plugins = quota quota_clone fts fts_solr zlib last_login
> pop3_logout_format = in=%i out=%o top=%t/%p, retr=%r/%b, del=%d/%m,
> size=%s
> pop3_no_flag_updates = yes
> pop3_save_uidl = yes
> pop3_uidl_format = %08Xu%08Xv
> }
>
> Regards,
> Ricardo
>
>
More information about the dovecot
mailing list