Bug in dovecot 2.3 virtual plugin
Marco Giunta
giunta at sissa.it
Mon Feb 5 14:04:24 EET 2018
Hi,
did you have time to investigate about 'Panic: file unichar.c' bug ?
Because I have the same problem with a 2.3.0 installation without
virtual plugin.
Thanks,
Marco
On 2018-01-03 16:52, Aki Tuomi wrote:
> This is not a bug in virtual plugin, but in some email which contains invalid unicode sequence somehow. Can you send me a core file? This should not have occured ofc but would be nice to know how it ended up here.
>
> Aki
>
>> On January 3, 2018 at 5:35 PM Jakobus Schürz <wertstoffe at nurfuerspam.de> wrote:
>>
>>
>> Hi there!
>>
>> I compiled dovecot 2.3 from git. Because there is already a bug in
>> virtual-plugin, and i hoped, it get fixed... but it doesn't. So this
>> is the error-message from the log
>>
>> Jän 03 16:27:08 aldebaran dovecot[26460]:
>> indexer-worker(jakob)<26476><qQ6g1+BhIJvAqAAO:sjYhMTH2TFpsZwAAk1Mx3g>:
>> Panic: file unichar.c: line 160 (uni_ucs4_to_utf8_c): assertion
>> failed: (uni_is_valid_ucs4(chr))
>> Jän 03 16:27:08 aldebaran dovecot[26460]:
>> indexer-worker(jakob)<26476><qQ6g1+BhIJvAqAAO:sjYhMTH2TFpsZwAAk1Mx3g>:
>> Error: Raw backtrace: /usr/local/lib/dovecot/libdovecot.so.0(+0xc6021)
>> [0x7f8299f7a021] -> /usr/local/lib/dovecot/libdovecot.so.0(+0xc60ed)
>> [0x7f8299f7a0ed] -> /usr/local/lib/dovecot/libdovecot.so.0(i_fatal+0)
>> [0x7f8299eec481] ->
>> /usr/local/lib/dovecot/libdovecot.so.0(uni_ucs4_to_utf8_c+0xa0)
>> [0x7f8299fb1500] -> /usr/local/lib/dovecot/libdovecot.so.0(+0xa75e0)
>> [0x7f8299f5b5e0] ->
>> /usr/local/lib/dovecot/libdovecot.so.0(mail_html2text_more+0xc5)
>> [0x7f8299f5b775] ->
>> /usr/local/lib/dovecot/lib20_fts_plugin.so(+0xcfcc) [0x7f82990aefcc]
>> -> /usr/local/lib/dovecot/lib20_fts_plugin.so(fts_parser_more+0x27)
>> [0x7f82990aeca7] ->
>> /usr/local/lib/dovecot/lib20_fts_plugin.so(fts_build_mail+0x5e9)
>> [0x7f82990acc39] ->
>> /usr/local/lib/dovecot/lib20_fts_plugin.so(+0x1122d) [0x7f82990b322d]
>> -> /usr/local/lib/dovecot/lib20_virtual_plugin.so(+0x916a)
>> [0x7f82958e316a] ->
>> /usr/local/lib/dovecot/lib20_fts_plugin.so(+0x10f5d) [0x7f82990b2f5d]
>> -> /usr/local/lib/dovecot/lib20_virtual_plugin.so(+0x916a)
>> [0x7f82958e316a] ->
>> /usr/local/lib/dovecot/lib20_fts_plugin.so(+0x10f5d) [0x7f82990b2f5d]
>> -> /usr/local/lib/dovecot/libdovecot-storage.so.0(mail_precache+0x2e)
>> [0x7f829a2641be] -> dovecot/indexer-worker [jakob
>> Synoptic/AKTUELL](+0x2533) [0x562227882533] ->
>> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x69)
>> [0x7f8299f91bf9] ->
>> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x109)
>> [0x7f8299f93499] ->
>> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x52)
>> [0x7f8299f91d02] ->
>> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_run+0x38)
>> [0x7f8299f91f18] ->
>> /usr/local/lib/dovecot/libdovecot.so.0(master_service_run+0x13)
>> [0x7f8299f0f1e3] -> dovecot/indexer-worker [jakob
>> Synoptic/AKTUELL](main+0xe7) [0x562227881f47] ->
>> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1)
>> [0x7f8299b352b1] -> dovecot/indexer-worker [jakob
>> Synoptic/AKTUELL](_start+0x2a) [0x56222788201a]
>> Jän 03 16:27:08 aldebaran dovecot[26460]: indexer: Error: Indexer
>> worker disconnected, discarding 1 requests for jakob
>> Jän 03 16:27:08 aldebaran dovecot[26460]:
>> imap(jakob)<26472><qQ6g1+BhIJvAqAAO>: Error: indexer failed to index
>> mailbox Synoptic/AKTUELL
>> Jän 03 16:27:08 aldebaran dovecot[26460]:
>> indexer-worker(jakob)<26476><qQ6g1+BhIJvAqAAO:sjYhMTH2TFpsZwAAk1Mx3g>:
>> Fatal: master: service(indexer-worker): child 26476 killed with signal
>> 6 (core dumps disabled)
>> Jän 03 16:27:09 aldebaran dovecot[26460]:
>> indexer-worker(jakob)<26484><qQ6g1+BhIJvAqAAO:J6mUIEz2TFp0ZwAAk1Mx3g>:
>> Error: lucene index
>> /var/lib/dovecot/db/indexes/Maildir/jakob/lucene-indexes:
>> IndexWriter() failed (#1): Lock obtain timed out
>> Jän 03 16:27:10 aldebaran dovecot[26460]:
>> indexer-worker(jakob)<26484><qQ6g1+BhIJvAqAAO:J6mUIEz2TFp0ZwAAk1Mx3g>:
>> Error: Mailbox Synoptic/AKTUELL: Transaction commit failed: BUG:
>> Unknown internal error (attempted to index 1488 messages (UIDs
>> 15214..16775))
>> Jän 03 16:27:10 aldebaran dovecot[26460]:
>> imap(jakob)<26480><lP5r2OBhKJvAqAAO>: Error: indexer failed to index
>> mailbox Synoptic/AKTUELL
>> Jän 03 16:27:11 aldebaran dovecot[26460]:
>> imap(jakob)<26472><qQ6g1+BhIJvAqAAO>: Panic: file mail-index.c: line
>> 793 (mail_index_close): assertion failed: (index->open_count > 0)
>> Jän 03 16:27:11 aldebaran dovecot[26460]:
>> imap(jakob)<26472><qQ6g1+BhIJvAqAAO>: Error: Raw backtrace:
>> /usr/local/lib/dovecot/libdovecot.so.0(+0xc6021) [0x7fb0fbd3a021] ->
>> /usr/local/lib/dovecot/libdovecot.so.0(+0xc60ed) [0x7fb0fbd3a0ed] ->
>> /usr/local/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7fb0fbcac481] ->
>> /usr/local/lib/dovecot/libdovecot-storage.so.0(+0xf39a8)
>> [0x7fb0fc0d99a8] ->
>> /usr/local/lib/dovecot/libdovecot-storage.so.0(+0xd92d1)
>> [0x7fb0fc0bf2d1] ->
>> /usr/local/lib/dovecot/libdovecot-storage.so.0(+0xd9363)
>> [0x7fb0fc0bf363] ->
>> /usr/local/lib/dovecot/libdovecot-storage.so.0(index_storage_mailbox_free+0x9)
>> [0x7fb0fc0b0f39] ->
>> /usr/local/lib/dovecot/libdovecot-storage.so.0(+0xd05a4)
>> [0x7fb0fc0b65a4] ->
>> /usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_free+0x19)
>> [0x7fb0fc030c99] ->
>> /usr/local/lib/dovecot/lib20_virtual_plugin.so(+0xabdc)
>> [0x7fb0f729bbdc] ->
>> /usr/local/lib/dovecot/lib20_virtual_plugin.so(+0xacb9)
>> [0x7fb0f729bcb9] ->
>> /usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_close+0x1a)
>> [0x7fb0fc030c0a] ->
>> /usr/local/lib/dovecot/lib20_virtual_plugin.so(+0xac60)
>> [0x7fb0f729bc60] ->
>> /usr/local/lib/dovecot/lib20_virtual_plugin.so(+0xacb9)
>> [0x7fb0f729bcb9] ->
>> /usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_close+0x1a)
>> [0x7fb0fc030c0a] ->
>> /usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_free+0x13)
>> [0x7fb0fc030c93] -> dovecot/imap [jakob 192.168.0.14
>> LOGOUT](imap_client_close_mailbox+0x5b) [0x56514d31305b] ->
>> dovecot/imap [jakob 192.168.0.14 LOGOUT](cmd_logout+0x35)
>> [0x56514d309485] -> dovecot/imap [jakob 192.168.0.14
>> LOGOUT](command_exec+0x64) [0x56514d312ca4] -> dovecot/imap [jakob
>> 192.168.0.14 LOGOUT](+0x1b0b2) [0x56514d3110b2] -> dovecot/imap [jakob
>> 192.168.0.14 LOGOUT](+0x1b13c) [0x56514d31113c] -> dovecot/imap [jakob
>> 192.168.0.14 LOGOUT](client_handle_input+0x1a5) [0x56514d311565] ->
>> dovecot/imap [jakob 192.168.0.14 LOGOUT](client_input+0x82)
>> [0x56514d311be2] ->
>> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x69)
>> [0x7fb0fbd51bf9] ->
>> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x109)
>> [0x7fb0fbd53499] ->
>> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x52)
>> [0x7fb0fbd51d02] ->
>> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_run+0x38)
>> [0x7fb0fbd51f18] ->
>> /usr/local/lib/dovecot/libdovecot.so.0(master_service_run+0x13)
>> [0x7fb0fbccf1e3]
>> Jän 03 16:27:11 aldebaran dovecot[26460]:
>> imap(jakob)<26472><qQ6g1+BhIJvAqAAO>: Fatal: master: service(imap):
>> child 26472 killed with signal 6 (core dumps disabled)
>>
>>
>> I get this errors when i open or search in a virtual folder. i have
>> enabled fts_lucene.
>>
>> My config is:
>>
>> # dovecot -n
>> # 2.3.devel (393bfbea8): /usr/local/etc/dovecot/dovecot.conf
>> # Pigeonhole version 0.5.0.rc1 (d68c23a1)
>> # OS: Linux 4.13.0-trunk-amd64 x86_64 Debian 9.3 btrfs
>> auth_mechanisms = plain login cram-md5 digest-md5
>> auth_socket_path = /usr/local/var/run/dovecot/auth-userdb
>> first_valid_uid = 1000
>> imap_capability = +XDOVECOT
>> imap_client_workarounds = tb-extra-mailbox-sep
>> lda_mailbox_autocreate = yes
>> lda_mailbox_autosubscribe = yes
>> listen = *, ::1
>> login_trusted_networks = 127.0.0.1/8 192.168.0.0/24 192.168.1.0/24
>> 172.17.0.0/24 172.18.0.0/24
>> mail_gid = vmail
>> mail_home = /var/mail/%u
>> mail_location =
>> maildir:/var/mail/%u/Maildir:LAYOUT=fs:INDEX=/var/lib/dovecot/db/indexes/Maildir/%u:INDEXPVT=/var/lib/dovecot/db/indexes/Maildir/%u:CONTROL=/var/lib/dovecot/db/control/Maildir/%u
>> mail_plugins = zlib quota acl listescape mail_log notify virtual fts
>> fts_lucene
>> mail_privileged_group = vmail
>> mail_server_admin = mailto:jakob at xundeenergie.at
>> mail_shared_explicit_inbox = yes
>> mail_uid = vmail
>> 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 index ihave duplicate mime foreverypart
>> extracttext
>> namespace {
>> list = children
>> location =
>> maildir:/var/mail/public/:LAYOUT=fs:INDEX=/var/lib/dovecot/db/indexes/public/%u:INDEXPVT=/var/lib/dovecot/db/indexes/public/%u
>> prefix = Roseggergasse/
>> separator = /
>> subscriptions = no
>> type = public
>> }
>> namespace Geteilt {
>> hidden = no
>> inbox = no
>> list = children
>> location =
>> maildir:/var/mail/%%u/Maildir:LAYOUT=fs:INDEXPVT=/var/lib/dovecot/db/indexes/shared/%u/%%u:INDEX=/var/lib/dovecot/db/indexes/shared/%u/%%u
>> prefix = Geteilt/%%n/
>> separator = /
>> subscriptions = no
>> type = shared
>> }
>> namespace Mailarchiv {
>> hidden = no
>> inbox = no
>> list = children
>> location =
>> maildir:/var/mail/mailarchiv/%u/:LAYOUT=fs:INDEX=/var/lib/dovecot/db/indexes/mailarchiv/%u:INDEXPVT=/var/lib/dovecot/db/indexes/mailarchiv/%u
>> mailbox incoming {
>> auto = create
>> }
>> mailbox outgoing {
>> auto = create
>> }
>> prefix = Mailarchiv/
>> separator = /
>> subscriptions = no
>> type = private
>> }
>> namespace Real {
>> hidden = yes
>> list = no
>> location = virtual:/var/mail/real:INDEX=/var/lib/dovecot/db/indexes/real/%u
>> prefix = Real/
>> separator = /
>> subscriptions = no
>> }
>> namespace Synoptic {
>> hidden = no
>> list = children
>> location =
>> virtual:/var/mail/virtual:INDEX=/var/lib/dovecot/db/indexes/virtual/%u
>> mailbox INBOX/Archives {
>> auto = no
>> special_use = \Archive
>> }
>> mailbox INBOX/Drafts {
>> auto = no
>> special_use = \Drafts
>> }
>> mailbox INBOX/Entwürfe {
>> auto = no
>> special_use = \Drafts
>> }
>> mailbox INBOX/Junk {
>> auto = no
>> special_use = \Junk
>> }
>> mailbox INBOX/Sent {
>> auto = no
>> special_use = \Sent
>> }
>> mailbox INBOX/Spam {
>> auto = no
>> special_use = \Junk
>> }
>> prefix = Synoptic/
>> separator = /
>> subscriptions = no
>> }
>> namespace inbox {
>> hidden = no
>> inbox = yes
>> location =
>> mailbox Archiv {
>> auto = no
>> special_use = \Archive
>> }
>> mailbox Archive {
>> auto = no
>> special_use = \Archive
>> }
>> mailbox Archives {
>> auto = no
>> special_use = \Archive
>> }
>> mailbox "Deleted Messages" {
>> auto = no
>> autoexpunge = 30 days
>> special_use = \Trash
>> }
>> mailbox Drafts {
>> auto = no
>> special_use = \Drafts
>> }
>> mailbox Entwürfe {
>> auto = no
>> special_use = \Drafts
>> }
>> mailbox "Gelöschte Elemente" {
>> auto = no
>> autoexpunge = 30 days
>> special_use = \Trash
>> }
>> mailbox "Gelöschte Objekte" {
>> auto = no
>> autoexpunge = 30 days
>> special_use = \Trash
>> }
>> mailbox Gesendet {
>> auto = no
>> special_use = \Sent
>> }
>> mailbox "Gesendete Elemente" {
>> auto = no
>> special_use = \Sent
>> }
>> mailbox "Gesendete Objekte" {
>> auto = no
>> special_use = \Sent
>> }
>> mailbox Important {
>> auto = no
>> }
>> mailbox Junk {
>> auto = subscribe
>> autoexpunge = 30 days
>> special_use = \Junk
>> }
>> mailbox Mistkübel {
>> auto = no
>> autoexpunge = 30 days
>> special_use = \Trash
>> }
>> mailbox Papierkorb {
>> auto = no
>> autoexpunge = 30 days
>> special_use = \Trash
>> }
>> mailbox Sent {
>> auto = subscribe
>> special_use = \Sent
>> }
>> mailbox "Sent Messages" {
>> auto = no
>> special_use = \Sent
>> }
>> mailbox Spam {
>> auto = no
>> autoexpunge = 30 days
>> special_use = \Junk
>> }
>> mailbox Synoptic/Alle {
>> auto = no
>> comment = All my messages
>> special_use = \All
>> }
>> mailbox Trash {
>> auto = no
>> autoexpunge = 30 days
>> special_use = \Trash
>> }
>> mailbox Wichtig {
>> auto = create
>> }
>> prefix = INBOX/
>> separator = /
>> subscriptions = no
>> type = private
>> }
>> namespace subscriptions {
>> hidden = yes
>> list = no
>> location =
>> prefix =
>> subscriptions = yes
>> }
>> passdb {
>> args = scheme=CRYPT username_format=%u /usr/local/etc/dovecot/users
>> driver = passwd-file
>> }
>> plugin {
>> acl = vfile:/etc/dovecot/dovecot-acl:cache_secs=300
>> acl_shared_dict = file:/var/lib/dovecot/db/shared-mailboxes.db
>> fts = lucene
>> fts_autoindex = yes
>> fts_autoindex_max_recent_msgs = 80
>> fts_index_timeout = 90s
>> fts_lucene = whitespace_chars=@. normalize no_snowball
>> mail_home = /var/mail/%u
>> setting_name = sieve, managedsieve
>> sieve = file:/var/mail/%u/sieve/;active=/var/mail/%u/sieve/%u.sieve
>> }
>> postmaster_address = postmaster at localhost
>> protocols = imap pop3 lmtp imap lmtp sieve pop3 sieve
>> service anvil {
>> unix_listener anvil-auth-penalty {
>> mode = 00
>> }
>> }
>> service auth {
>> unix_listener auth-client {
>> group = vmail
>> mode = 0666
>> user = Debian-exim
>> }
>> unix_listener auth-userdb {
>> group = vmail
>> mode = 0666
>> user = vmail
>> }
>> }
>> service imap-login {
>> inet_listener imap {
>> port = 143
>> }
>> inet_listener imaps {
>> port = 993
>> ssl = yes
>> }
>> process_min_avail = 1
>> service_count = 0
>> }
>> service imap {
>> executable = imap postlogin
>> process_limit = 1024
>> vsz_limit = 400 M
>> }
>> service lmtp {
>> executable = lmtp -L
>> user = vmail
>> vsz_limit = 400 M
>> }
>> service postlogin {
>> executable = script-login -d rawlog
>> }
>> ssl = required
>> ssl_cert = </usr/local/etc/dovecot/dovecot.crt
>> ssl_dh = # hidden, use -P to show it
>> ssl_key = # hidden, use -P to show it
>> userdb {
>> args = username_format=%u /usr/local/etc/dovecot/users
>> default_fields = home=/var/mail/%u
>> driver = passwd-file
>> }
>> verbose_proctitle = yes
>> protocol lmtp {
>> auth_username_format = %n
>> mail_plugins = zlib quota acl listescape mail_log notify virtual
>> fts fts_lucene quota sieve acl
>> }
>> protocol lda {
>> mail_plugins = zlib quota acl listescape mail_log notify virtual
>> fts fts_lucene quota sieve acl
>> }
>> protocol imap {
>> mail_max_userip_connections = 10
>> mail_plugins = zlib quota acl listescape mail_log notify virtual
>> fts fts_lucene imap_quota imap_acl
>> }
>>
>>
>> The virtual Folder-definitions are:
>>
>> # find /var/mail/virtual/ /var/mail/real/
>> /var/mail/virtual/
>> /var/mail/virtual/GINBOX
>> /var/mail/virtual/GINBOX/dovecot-virtual
>> /var/mail/virtual/Neue
>> /var/mail/virtual/Neue/dovecot-virtual
>> /var/mail/virtual/Markierte
>> /var/mail/virtual/Markierte/dovecot-virtual
>> /var/mail/virtual/Ungelesene
>> /var/mail/virtual/Ungelesene/dovecot-virtual
>> /var/mail/virtual/Sent
>> /var/mail/virtual/Sent/dovecot-virtual
>> /var/mail/virtual/Drafts
>> /var/mail/virtual/Drafts/dovecot-virtual
>> /var/mail/virtual/Trash
>> /var/mail/virtual/Trash/dovecot-virtual
>> /var/mail/virtual/AKTUELL
>> /var/mail/virtual/AKTUELL/dovecot-virtual
>> /var/mail/virtual/Archives
>> /var/mail/virtual/Archives/dovecot-virtual
>> /var/mail/virtual/dovecot-acl-list
>> /var/mail/virtual/WICHTIG
>> /var/mail/virtual/WICHTIG/dovecot-virtual
>> /var/mail/real/
>> /var/mail/real/Alle
>> /var/mail/real/Alle/dovecot-virtual
>> /var/mail/real/dovecot-acl-list
>> /var/mail/real/einjahr
>> /var/mail/real/einjahr/dovecot-virtual
>> /var/mail/real/zweijahr
>> /var/mail/real/zweijahr/dovecot-virtual
>> /var/mail/real/dreijahr
>> /var/mail/real/dreijahr/dovecot-virtual
>>
>> # cat /var/mail/virtual/AKTUELL/dovecot-virtual
>> Real/Alle
>> inthread refs younger 2592000
>>
>> # cat /var/mail/real/Alle/dovecot-virtual
>> !INBOX
>> INBOX/*
>> -INBOX/Trash
>> -INBOX/Trash/*
>> -INBOX/Archives
>> -INBOX/Archives/*
>> -INBOX/Drafts
>> -INBOX/Drafts/*
>> -INBOX/Junk
>> -INBOX/Junk/*
>> -INBOX/SYSTEM
>> -INBOX/SYSTEM/*
>> all
>>
>> The others are similar.
>>
>> Greez
>>
>> Jakob
>
--
Marco Giunta - ITCS SysAdmin
Via Bonomea, 265
34136 - Trieste, Italy
Tel: +39-040-3787-503
Fax: +39-040-3787-244
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