Bug in dovecot 2.3 virtual plugin

Jakobus Schürz wertstoffe at nurfuerspam.de
Wed Jan 3 17:35:59 EET 2018


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


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