[Dovecot] (message_parse_header_next): assertion failed:, +(IS_LWSP(line->value[0])) 1.1beta14

Wed Feb 6 23:26:10 EET 2008

On Wed, 2008-02-06 at 00:28 -0500, Adam McDougall wrote:
> I noticed these happen when one of my users searches his Trash folder 
> which he doesn't empty.
> He uses thunderbird and it is reproducable.
> 
> Feb  5 22:47:39 boomhauer dovecot: IMAP(username): file 
> message-header-parser.c: line 350 (message_parse_header_next): assertion 
> failed:
> +(IS_LWSP(line->value[0]))

I can't really understand how this is possible. I tried a few ways to
reproduce this but couldn't. Can you reproduce this by copying the mails
to a test account and then identify which mail causes it?

It looks like there's a Content-Type header which continues to a new
line, but the variables in the bt full show that the second line is
actually empty.. I guess it could be also that the backtrace is just a
bit broken (it clearly is in some places).

> Feb  5 22:47:41 boomhauer dovecot: child 8022 (imap) killed with signal 6
> Feb  5 22:48:21 boomhauer dovecot: IMAP(username): file 
> message-header-parser.c: line 350 (message_parse_header_next): assertion 
> failed:
> +(IS_LWSP(line->value[0]))
> Feb  5 22:48:24 boomhauer dovecot: child 8121 (imap) killed with signal 6
> Feb  5 22:49:13 boomhauer dovecot: IMAP(username): file 
> message-header-parser.c: line 350 (message_parse_header_next): assertion 
> failed:
> +(IS_LWSP(line->value[0]))
> Feb  5 22:49:15 boomhauer dovecot: child 8171 (imap) killed with signal 6
> 
> I hope this is enough of a backtrace, let me know if not:
> 
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain 
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "amd64-marcel-freebsd"...
> Core was generated by `imap'.
> Program terminated with signal 6, Aborted.
> Reading symbols from /usr/local/lib/libiconv.so.3...done.
> Loaded symbols for /usr/local/lib/libiconv.so.3
> Reading symbols from /lib/libc.so.6...done.
> Loaded symbols for /lib/libc.so.6
> Reading symbols from /usr/local/lib/dovecot/imap/lib01_acl_plugin.so...done.
> Loaded symbols for /usr/local/lib/dovecot/imap/lib01_acl_plugin.so
> Reading symbols from /usr/local/lib/dovecot/imap/lib20_fts_plugin.so...done.
> Loaded symbols for /usr/local/lib/dovecot/imap/lib20_fts_plugin.so
> Reading symbols from 
> /usr/local/lib/dovecot/imap/lib21_fts_squat_plugin.so...done.
> Loaded symbols for /usr/local/lib/dovecot/imap/lib21_fts_squat_plugin.so
> Reading symbols from /libexec/ld-elf.so.1...done.
> Loaded symbols for /libexec/ld-elf.so.1
> #0  0x00000000109d54ac in __res_pquery () from /lib/libc.so.6
> (gdb) bt
> #0  0x00000000109d54ac in __res_pquery () from /lib/libc.so.6
> #1  0x00000000004a8e1b in i_panic (format=0x4d60e0 "Tue") at failures.c:191
> #2  0x00000000004a0149 in message_parse_header_next (ctx=0x18c3f00, 
> hdr_r=0x7fffffffdff0) at message-header-parser.c:341
> #3  0x00000000004a11e9 in parse_content_type (ctx=0x600180, hdr=0x0) at 
> message-parser.c:441
> #4  0x00000000004a1bb6 in message_parser_init_from_parts 
> (parts=0x450f848, input=0x7fffffffe0c0, hdr_flags=32767, flags=16769184)
>     at message-parser.c:718
> #5  0x0000000010c2355d in fts_mailbox_search_next_nonblock () from 
> /usr/local/lib/dovecot/imap/lib20_fts_plugin.so
> #6  0x000000000046b353 in mailbox_search_deinit (_ctx=0xc42200) at 
> mail-storage.c:624
> #7  0x0000000000418f2f in imap_search_deinit (cmd=0x60c300, 
> ctx=0x61d048) at cmd-search.c:64
> #8  0x000000000041916e in cmd_search_more (cmd=0x4b2216) at cmd-search.c:119
> #9  0x00000000004b25ef in io_loop_handle_timeouts_real (ioloop=0x5ff240) 
> at ioloop.c:257
> #10 0x00000000004b263d in io_loop_handle_timeouts_real (ioloop=0x5ff240) 
> at ioloop.c:267
> #11 0x00000000004b351e in io_loop_handler_run (ioloop=0x5ff240) at 
> ioloop-kqueue.c:123
> #12 0x00000000004b2690 in io_loop_handle_timeouts_real (ioloop=0x5ff240) 
> at ioloop.c:280
> #13 0x00000000004265de in main_deinit () at main.c:269
> #14 0x000000000041418e in _start (ap=0x0, cleanup=0x7fffffffe6ad) at 
> /usr/src/lib/csu/amd64/crt1.c:69
> #15 0x00007fffffffe6ca in ?? ()
> #16 0x00007fffffffe6dd in ?? ()
> #17 0x00007fffffffe6f8 in ?? ()
> #18 0x00007fffffffe709 in ?? ()
> #19 0x00007fffffffe71a in ?? ()
> #20 0x00007fffffffe733 in ?? ()
> #21 0x00007fffffffe747 in ?? ()
> 
> # 1.1.beta14: /usr/local/etc/dovecot.conf
> ssl_cert_file: /usr/local/etc/apache2/ssl/mail.pem
> ssl_key_file: /usr/local/etc/apache2/ssl/mail.pem
> login_dir: /var/run/dovecot/login
> login_executable: /usr/local/libexec/dovecot/imap-login
> mail_max_userip_connections: 25
> verbose_proctitle: yes
> first_valid_uid: 1000
> first_valid_gid: 1000
> mail_extra_groups: postlocal
> mail_location: 
> maildir:%h/Maildir:CONTROL=%h/Maildir/dovecot/private/control:INDEX=%h/Maildir/dovecot/private/indexes
> mmap_disable: yes
> mail_nfs_storage: yes
> mail_nfs_index: yes
> mail_drop_priv_before_exec: yes
> mail_plugins: acl fts fts_squat
> mail_log_max_lines_per_sec: 0
> imap_client_workarounds: delay-newmail netscape-eoh tb-extra-mailbox-sep
> namespace:
>   type: private
>   separator: /
>   inbox: yes
>   list: yes
>   subscriptions: yes
> namespace:
>   type: private
>   separator: /
>   prefix: mail/
>   hidden: yes
>   subscriptions: yes
> namespace:
>   type: private
>   separator: /
>   prefix: Mail/
>   hidden: yes
>   subscriptions: yes
> namespace:
>   type: public
>   separator: /
>   prefix: #shared/decs/
>   location: 
> maildir:/egr/mail/shared/decs:CONTROL=%h/Maildir/dovecot/public/control/decs:INDEX=%h/Maildir/dovecot/public/indexes/decs
>   list: yes
>   subscriptions: yes
> auth default:
>   passdb:
>     driver: pam
>   userdb:
>     driver: passwd
>     args: system_user=
>   socket:
>     type: listen
>     client:
>       path: /var/spool/postfix/private/auth
>       mode: 384
>       user: postfix
>       group: postfix
> plugin:
>   acl: vfile:/usr/local/etc/dovecot-acls:cache_secs=10
>   fts: squat
> 
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