Thank you for your report. Aki
On 23.01.2017 11:56, Thorsten Hater wrote: > OK, I found the problem in my config. If I use an default namespace with an > empty > name, instead of "inbox" it works as expected. Here the log for this case > > Starting program: /usr/local/libexec/dovecot/imap -u **** > imap(****): Debug: auth input: **** home=**** uid=48 gid=48 > quota_rule=*:bytes=1000M > imap(****): Debug: Added userdb setting: plugin/quota_rule=*:bytes=1000M > Debug: Effective uid=48, gid=48, home=**** > Debug: Namespace : type=private, prefix=INBOX., sep=., inbox=yes, > hidden=no, list=children, subscriptions=yes location=maildir:~/Maildir > Debug: maildir++: root=****/Maildir, index=, indexpvt=, control=, > inbox=****/Maildir, alt= > Debug: Namespace inbox: type=private, prefix=, sep=, inbox=no, hidden=no, > list=yes, subscriptions=yes location=maildir:~/Maildir > Debug: maildir++: root=****/Maildir, index=, indexpvt=, control=, inbox=, > alt= > * PREAUTH [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE > IDLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS THREAD=ORDEREDSUBJECT > MULTIAPPEND URL-PARTIAL CATENATE UNSELECT CHILDREN NAMESPACE UIDPLUS > LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN > CONTEXT=SEARCH LIST-STATUS BINARY MOVE] Logged in as **** > x LIST "" "" > * LIST (\Noselect) "." "" > x OK List completed (0.000 + 0.000 secs). > > > > On Mon, Jan 23, 2017 at 10:46 AM, Aki Tuomi <[email protected]> wrote: > >> I'll try reproduce this issue, but can you, in the mean time, run this >> with mail_debug=yes and provide logs? >> >> Aki >> >> On 23.01.2017 11:45, Thorsten Hater wrote: >>> Hi, >>> >>> I did added the default location and stripped down my config to a very >>> basic >>> level, dropping all plugins and database queries, see below. The segfault >>> still >>> appears in the same location. >>> As I have build from source, I wonder whether you can reproduce the >> problem? >>> Thorsten >>> >>> $ doveconf -n >>> # 2.2.26.0 (23d1de6): /usr/local/etc/dovecot/dovecot.conf >>> # Pigeonhole version 0.4.16 (1dc4c73) >>> # OS: Linux 3.18.16-intel-vm-64bit x86_64 Debian 8.6 >>> auth_debug = yes >>> auth_debug_passwords = yes >>> auth_socket_path = /usr/local/var/run/dovecot/auth-userdb >>> auth_verbose = yes >>> base_dir = /usr/local/var/run/dovecot/ >>> default_internal_user = pop >>> first_valid_uid = 48 >>> import_environment = TZ DEBUG=1 >>> last_valid_uid = 48 >>> login_greeting = Dovecot ready. >>> login_trusted_networks = **** >>> mail_debug = yes >>> mail_gid = pop >>> mail_location = maildir:~/Maildir >>> mail_plugin_dir = /usr/local/lib/dovecot/ >>> mail_uid = pop >>> 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 inbox { >>> inbox = yes >>> list = children >>> location = maildir:~/Maildir >>> prefix = INBOX. >>> separator = . >>> subscriptions = yes >>> type = private >>> } >>> passdb { >>> args = nopassword=yes >>> driver = static >>> } >>> protocols = imap pop3 lmtp imap pop3 >>> ssl = no >>> userdb { >>> args = home=**** uid=pop gid=pop quota_rule=*:bytes=1000M >>> driver = static >>> } >>> verbose_proctitle = yes >>> protocol lda { >>> auth_socket_path = /usr/local/var/run/dovecot/auth-userdb >>> } >>> >>> >>> On Mon, Jan 23, 2017 at 10:01 AM, Thorsten Hater < >> [email protected]> >>> wrote: >>> >>>> Hi, >>>> >>>> thanks for picking this up. The location is pulled from the database, >> but >>>> is uniform >>>> for all users, so I could set it to maildir:~/Maildir globally. Assuming >>>> ~ is expanded >>>> later on with userdb data. So, no, there is no special intention behind >>>> this. >>>> >>>> Thorsten >>>> >>>> On Mon, Jan 23, 2017 at 9:37 AM, Aki Tuomi <[email protected]> >> wrote: >>>>> On 19.01.2017 15:56, Thorsten Hater wrote: >>>>>> The Problem arises due to a NULL deref in mail_namespaces.c line 601. >>>>>> Backtrace below >>>>>> >>>>>> x LIST "" "" >>>>>> >>>>>> Program received signal SIGSEGV, Segmentation fault. >>>>>> mail_namespaces_get_root_sep (namespaces=0x0) at mail-namespace.c:601 >>>>>> 601 while ((namespaces->flags & NAMESPACE_FLAG_LIST_PREFIX) == 0) >>>>>> (gdb) bt >>>>>> #0 mail_namespaces_get_root_sep (namespaces=0x0) at >>>>> mail-namespace.c:601 >>>>>> #1 0x000000000041164c in cmd_list_ref_root (ref=0x65b060 "", >>>>>> client=0x65a590) at cmd-list.c:324 >>>>>> #2 cmd_list_full (cmd=0x65aee0, lsub=<optimized out>) at >> cmd-list.c:461 >>>>>> #3 0x0000000000419825 in command_exec (cmd=cmd@entry=0x65aee0) at >>>>>> imap-commands.c:181 >>>>>> #4 0x0000000000417de2 in client_command_input (cmd=cmd@entry >> =0x65aee0) >>>>> at >>>>>> imap-client.c:988 >>>>>> #5 0x0000000000417e70 in client_command_input (cmd=0x65aee0) at >>>>>> imap-client.c:1048 >>>>>> #6 0x00000000004181e5 in client_handle_next_command >>>>>> (remove_io_r=<synthetic pointer>, client=0x65a590) at >> imap-client.c:1090 >>>>>> #7 client_handle_input (client=0x65a590) at imap-client.c:1102 >>>>>> #8 0x0000000000418692 in client_input (client=0x65a590) at >>>>>> imap-client.c:1149 >>>>>> #9 0x00007ffff76297ac in io_loop_call_io (io=0x652aa0) at >> ioloop.c:589 >>>>>> #10 0x00007ffff762ab4a in io_loop_handler_run_internal >>>>>> (ioloop=ioloop@entry=0x63e7f0) >>>>>> at ioloop-epoll.c:222 >>>>>> #11 0x00007ffff7629835 in io_loop_handler_run (ioloop=ioloop@entry >>>>> =0x63e7f0) >>>>>> at ioloop.c:637 >>>>>> #12 0x00007ffff76299d8 in io_loop_run (ioloop=0x63e7f0) at >> ioloop.c:613 >>>>>> #13 0x00007ffff75b9823 in master_service_run (service=0x63e690, >>>>>> callback=callback@entry=0x423d40 <client_connected>) at >>>>> master-service.c:641 >>>>>> #14 0x000000000040c567 in main (argc=3, argv=0x63e390) at main.c:460 >>>>>> >>>>>> On Thu, Jan 19, 2017 at 1:05 PM, Thorsten Hater < >>>>> [email protected]> >>>>>> wrote: >>>>>> >>>>>>> Dear all, >>>>>>> >>>>>>> I experience SegFaults in the imap binary on a LIST "" "" command, >>>>>>> as sent by Claws mail. Using LIST "" "INBOX" or similar is fine. >>>>>>> Here is an example telnet session >>>>>>> >>>>>>> $ telnet 127.0.0.1 143 >>>>>>> Trying 127.0.0.1... >>>>>>> Connected to 127.0.0.1. >>>>>>> Escape character is '^]'. >>>>>>> * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE >>>>> IDLE >>>>>>> AUTH=PLAIN] Dovecot ready. >>>>>>> 01 LOGIN **** **** >>>>>>> 01 OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID >> ENABLE >>>>>>> IDLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS >>>>> THREAD=ORDEREDSUBJECT >>>>>>> MULTIAPPEND URL-PARTIAL CATENATE UNSELECT CHILDREN NAMESPACE UIDPLUS >>>>>>> LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES >>>>> WITHIN >>>>>>> CONTEXT=SEARCH LIST-STATUS BINARY MOVE SPECIAL-USE QUOTA] Logged in >>>>>>> 02 LIST "" "" >>>>>>> Connection closed by foreign host. >>>>>>> >>>>>>> In the log file >>>>>>> >>>>>>> dovecot[8375]: imap(***): Fatal: master: service(imap): child 15803 >>>>> killed >>>>>>> with signal 11 (core dumps disabled) >>>>>>> >>>>>>> Please find the config below. >>>>>>> >>>>>>> Best regards, >>>>>>> Thorsten >>>>>>> >>>>>>> $ doveconf -n >>>>>>> # 2.2.26.0 (23d1de6): /etc/dovecot/dovecot.conf >>>>>>> # Pigeonhole version 0.4.16 (1dc4c73) >>>>>>> # OS: Linux 3.16.0-4-amd64 x86_64 Debian 8.6 >>>>>>> auth_debug = yes >>>>>>> auth_debug_passwords = yes >>>>>>> auth_socket_path = /var/run/dovecot/auth-userdb >>>>>>> auth_verbose = yes >>>>>>> base_dir = /var/run/dovecot/ >>>>>>> default_internal_user = pop >>>>>>> first_valid_uid = 48 >>>>>>> import_environment = TZ DEBUG=1 >>>>>>> last_valid_uid = 48 >>>>>>> login_trusted_networks = **** >>>>>>> mail_debug = yes >>>>>>> mail_gid = pop >>>>>>> mail_plugins = " mail_log notify zlib quota" >>>>>>> mail_uid = pop >>>>>>> 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 inbox { >>>>>>> inbox = yes >>>>>>> list = children >>>>>>> location = >>>>>>> mailbox Drafts { >>>>>>> auto = no >>>>>>> special_use = \Drafts >>>>>>> } >>>>>>> mailbox Sent { >>>>>>> auto = no >>>>>>> special_use = \Sent >>>>>>> } >>>>>>> mailbox Trash { >>>>>>> auto = no >>>>>>> autoexpunge = 30 days >>>>>>> special_use = \Trash >>>>>>> } >>>>>>> mailbox drafts { >>>>>>> auto = no >>>>>>> special_use = \Drafts >>>>>>> } >>>>>>> mailbox sent { >>>>>>> auto = no >>>>>>> special_use = \Sent >>>>>>> } >>>>>>> mailbox spamverdacht { >>>>>>> auto = no >>>>>>> autoexpunge = 30 days >>>>>>> special_use = \Junk >>>>>>> } >>>>>>> mailbox trash { >>>>>>> auto = no >>>>>>> autoexpunge = 30 days >>>>>>> special_use = \Trash >>>>>>> } >>>>>>> mailbox virenverdacht { >>>>>>> auto = no >>>>>>> autoexpunge = 30 days >>>>>>> special_use = \Junk >>>>>>> } >>>>>>> prefix = INBOX. >>>>>>> separator = . >>>>>>> subscriptions = yes >>>>>>> type = private >>>>>>> } >>>>>>> passdb { >>>>>>> args = nopassword=y >>>>>>> driver = static >>>>>>> } >>>>>>> plugin { >>>>>>> last_login_dict = file:~/lastlogin >>>>>>> mail_log_events = delete undelete expunge copy mailbox_delete >>>>>>> mailbox_rename >>>>>>> mail_log_fields = uid box msgid size >>>>>>> quota = maildir:User quota >>>>>>> quota_warning = storage=80%% 80 %u %{userdb:quota_bytes} >>>>>>> quota_warning2 = storage=90%% 90 %u %{userdb:quota_bytes} >>>>>>> quota_warning3 = storage=95%% 95 %u %{userdb:quota_bytes} >>>>>>> sieve = ldap:/etc/dovecot/pigeonhole-ldap.conf >>>>>>> sieve_dir = ~/sieve >>>>>>> sieve_plugins = sieve_storage_ldap >>>>>>> zlib_save = gz >>>>>>> zlib_save_level = 6 >>>>>>> } >>>>>>> service imap { >>>>>>> executable = imap postlogin >>>>>>> } >>>>>>> service pop3 { >>>>>>> executable = pop3 postlogin >>>>>>> } >>>>>>> service postlogin { >>>>>>> executable = script-login -d rawlog >>>>>>> } >>>>>>> service quota-warning { >>>>>>> executable = script /bin/quota-warning.sh >>>>>>> } >>>>>>> ssl = no >>>>>>> userdb { >>>>>>> args = /etc/dovecot/userdb-ldap.conf >>>>>>> driver = ldap >>>>>>> result_failure = return-fail >>>>>>> result_internalfail = return-fail >>>>>>> result_success = continue-ok >>>>>>> } >>>>>>> userdb { >>>>>>> default_fields = quota_bytes=42M >>>>>>> driver = bdb_quota >>>>>>> override_fields = quota_rule=*:bytes=%{userdb:quota_bytes} >>>>>>> result_failure = return-fail >>>>>>> result_internalfail = return-fail >>>>>>> result_success = continue-ok >>>>>>> } >>>>>>> verbose_proctitle = yes >>>>>>> protocol lda { >>>>>>> auth_socket_path = /var/run/dovecot/auth-userdb >>>>>>> mail_plugin_dir = /lib/dovecot/modules >>>>>>> mail_plugins = " mail_log notify zlib quota sieve" >>>>>>> } >>>>>>> protocol imap { >>>>>>> mail_plugins = " mail_log notify zlib quota imap_xauth last_login >>>>>>> imap_quota" >>>>>>> } >>>>>>> protocol pop3 { >>>>>>> mail_plugins = " mail_log notify zlib quota last_login" >>>>>>> } >>>>>>> >>>>> Hi! >>>>> >>>>> We are looking into this crash. >>>>> >>>>> Are you intentionally setting inbox namespace location to empty? >>>>> >>>>> Aki >>>>>
