lmtp panic with many recipients

Tue May 8 11:34:21 EEST 2018

Hi,

I had an email with 58 recipients in the "To" and 13 in the "CC"
Delivering it from exim to dovecot lmtp panics (see below)
Panic: file smtp-address.c: line 533 (smtp_address_write): assertion failed: (smtp_char_is_qpair(*p))

# 2.3.1 (c5a5c0c82): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.5.devel (61b47828)
# OS: Linux 2.6.32-696.23.1.el6.x86_64 x86_64 CentOS release 6.9 (Final)

Regards,
Olaf

May  8 10:01:52 irams2 dovecot: lmtp(17557): Debug: none: root=, index=, indexpvt=, control=, inbox=, alt=
May  8 10:01:52 irams2 dovecot: lmtp(17557): Connect from local
May  8 10:01:52 irams2 dovecot: lmtp(ms2test at irams2.ira.uka.de)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: Loading modules from directory: /usr/lib64/dovecot
May  8 10:01:52 irams2 dovecot: lmtp(ms2test at irams2.ira.uka.de)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: Module loaded: /usr/lib64/dovecot/lib90_sieve_plugin.so
May  8 10:01:52 irams2 dovecot: lmtp(ms2test at irams2.ira.uka.de)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: auth USER input: ms2test system_groups_user=ms2test uid=10852 gid=1602 home=/home/atis/ms2test
May  8 10:01:52 irams2 dovecot: lmtp(ms2test at irams2.ira.uka.de)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: changed username to ms2test
May  8 10:01:52 irams2 dovecot: lmtp(17557, ms2test): Debug: Effective uid=10852, gid=1602, home=/home/atis/ms2test
May  8 10:01:52 irams2 dovecot: lmtp(17557, ms2test): Debug: Namespace inbox: type=private, prefix=INBOX., sep=., inbox=yes, hidden=no, list=yes, subscriptions=yes location=maildir:~/Maildir
May  8 10:01:52 irams2 dovecot: lmtp(17557, ms2test): Debug: maildir++: root=/home/atis/ms2test/Maildir, index=, indexpvt=, control=, inbox=/home/atis/ms2test/Maildir, alt=
May  8 10:01:52 irams2 dovecot: lmtp(17557, ms2test): Debug: Namespace : type=private, prefix=, sep=, inbox=no, hidden=yes, list=no, subscriptions=no location=fail::LAYOUT=none
May  8 10:01:52 irams2 dovecot: lmtp(17557, ms2test): Debug: none: root=, index=, indexpvt=, control=, inbox=, alt=
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: Pigeonhole version 0.5.devel (61b47828) initializing
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: include: sieve_global is not set; it is currently not possible to include `:global' scripts.
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: file storage: Using active Sieve script path: /home/atis/ms2test/.dovecot.sieve
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: file storage: Using script storage path: /home/atis/ms2test/sieve
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: file storage: Relative path to sieve storage in active link: sieve/
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: file storage: Using Sieve script path: /home/atis/ms2test/.dovecot.sieve
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: file script: Opened script `ingo' from `/home/atis/ms2test/.dovecot.sieve'
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: file storage: Using Sieve script path: /etc/dovecot/sieve-master
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: file script: Opened script `sieve-master' from `/etc/dovecot/sieve-master'
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: Executed before user's personal Sieve script(1): /etc/dovecot/sieve-master
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: Using the following location for user's Sieve script: /home/atis/ms2test/.dovecot.sieve
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: Mailbox <lmtp DATA local>: Opened mail UID=1 because: header Message-ID (Cache file is unusable)
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: Opening script 1 of 2 from `/etc/dovecot/sieve-master'
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: Loading script /etc/dovecot/sieve-master
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: Script binary /etc/dovecot/sieve-master.svbin successfully loaded
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: binary save: not saving binary /etc/dovecot/sieve-master.svbin, because it is already stored
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: sieve: Executing script from `/etc/dovecot/sieve-master.svbin'
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Debug: Mailbox <lmtp DATA local>: Opened mail UID=1 because: header List-Id (Cache file is unusable)
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Panic: file smtp-address.c: line 533 (smtp_address_write): assertion failed: (smtp_char_is_qpair(*p))
May  8 10:01:52 irams2 dovecot: lmtp(ms2test)<17557><30+oHXBZ8VqVRAAApw0JKA>: Error: Raw backtrace: /usr/lib64/dovecot/libdovecot.so.0(+0xca92a) [0x7fd7b6d0a92a] -> /usr/lib64/dovecot/libdovecot.so.0(i_syslog_fatal_handler+0x33) [0x7fd7b6d0b003] -> /usr/lib64/dovecot/libdovecot.so.0(+0x3ce61) [0x7fd7b6c7ce61] -> /usr/lib64/dovecot/libdovecot.so.0(+0x403fb) [0x7fd7b6c803fb] -> /usr/lib64/dovecot/libdovecot.so.0(smtp_address_encode+0x29) [0x7fd7b6c80429] -> /usr/lib64/dovecot/libdovecot-sieve.so.0(+0x46892) [0x7fd7b4146892] -> /usr/lib64/dovecot/libdovecot-sieve.so.0(sieve_match+0xbf) [0x7fd7b41475ff] -> /usr/lib64/dovecot/libdovecot-sieve.so.0(+0x4d9ec) [0x7fd7b414d9ec] -> /usr/lib64/dovecot/libdovecot-sieve.so.0(sieve_interpreter_continue+0x71) [0x7fd7b413c4b1] -> /usr/lib64/dovecot/libdovecot-sieve.so.0(sieve_interpreter_run+0x2b) [0x7fd7b413d07b] -> /usr/lib64/dovecot/libdovecot-sieve.so.0(+0x522fb) [0x7fd7b41522fb] -> /usr/lib64/dovecot/libdovecot-sieve.so.0(sieve_multiscript_run+0x5a) [0x7fd7b415252a] -> /usr/lib64/dovecot/lib90_sieve_plugin.so(+0x36ad) [0x7fd7b43bb6ad] -> /usr/lib64/dovecot/libdovecot-lda.so.0(mail_deliver+0xd2) [0x7fd7b7314942] -> dovecot/lmtp [local DATA](+0x6ffe) [0x7fd7b7756ffe] -> dovecot/lmtp [local DATA](lmtp_local_data+0x156) [0x7fd7b7757466] -> dovecot/lmtp [local DATA](cmd_data_continue+0x218) [0x7fd7b7756088] -> /usr/lib64/dovecot/libdovecot.so.0(+0x4ee3d) [0x7fd7b6c8ee3d] -> /usr/lib64/dovecot/libdovecot.so.0(+0x4f242) [0x7fd7b6c8f242] -> /usr/lib64/dovecot/libdovecot.so.0(+0x4f837) [0x7fd7b6c8f837] -> /usr/lib64/dovecot/libdovecot.so.0(smtp_server_command_next_to_reply+0x3b) [0x7fd7b6c9212b] -> /usr/lib64/dovecot/libdovecot.so.0(+0x55a30) [0x7fd7b6c95a30] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_call_io+0x55) [0x7fd7b6d21785] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0x95) [0x7fd7b6d218b5] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7fd7b6d21a98] -> /usr/lib64/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7fd7b6c9f493] -> dovecot/lmtp [loc
May  8 10:01:52 irams2 dovecot: lmtp: Fatal: master: service(lmtp): child 17557 killed with signal 6 (core dumps disabled - https://dovecot.org/bugreport.html#coredumps)

-- 
Karlsruher Institut für Technologie (KIT)
ATIS - Abt. Technische Infrastruktur, Fakultät für Informatik

Dipl.-Geophys. Olaf Hopp
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