[Dovecot] Panic in istream-raw-mbox.c - 2.0.beta3+

[Mark Sapiro]

Mark Sapiro wrote:

>Saw the following in the log after shutting down my client.
>
>Feb 22 20:44:47 sbh16 dovecot: imap(mark): Disconnected: Logged out
>bytes=1755/9765
>
>Feb 22 20:44:47 sbh16 dovecot: imap(mark): Panic: file
>istream-raw-mbox.c: line503 (istream_raw_mbox_get_start_offset):
>assertion failed: (rstream->seeked)
>
>Feb 22 20:44:47 sbh16 dovecot: imap(mark): Raw backtrace:
>/usr/local/lib/dovecot/libdovecot.so.0 [0x5ad950] ->
>/usr/local/lib/dovecot/libdovecot.so.0 [0x5ad9a5] ->
>/usr/local/lib/dovecot/libdovecot.so.0 [0x5ad008] ->
>/usr/local/lib/dovecot/libdovecot-storage.so.0 [0xe387a7] ->
>/usr/local/lib/dovecot/libdovecot-storage.so.0 [0xe406e4] ->
>/usr/local/lib/dovecot/libdovecot-storage.so.0(mail_get_special+0x1d)
>[0xdcaaed] ->
>/usr/local/lib/dovecot/libdovecot-storage.so.0(index_mail_expunge+0x34)
>[0xe0aed4] ->
>/usr/local/lib/dovecot/libdovecot-storage.so.0(mail_expunge+0xf)
>[0xdcab9f] -> dovecot/imap(imap_expunge+0xc5) [0x8056eb5] ->
>dovecot/imap(cmd_close+0x73) [0x804eab3] -> dovecot/imap [0x80550cc]
>-> dovecot/imap [0x805517b] -> dovecot/imap(client_handle_input+0x33)
>[0x80552d3] -> dovecot/imap(client_continue_pending_input+0x79)
>[0x8055529] ->
>/usr/local/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x110)
>[0x5b98d0] -> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_run+0x2f)
>[0x5b858f] -> /usr/local/lib/dovec
>
>(the above appears truncated, but that's all that was logged)
>
>Feb 22 20:44:47 sbh16 dovecot: master: service(imap): child 27281
>killed with signal 6 (core dumps disabled)
>
>Feb 22 20:44:47 sbh16 dovecot: imap(gpc): Disconnected: Logged out
>bytes=274/1356
>
>This is 2.0.beta3 plus
>http://hg.dovecot.org/dovecot-2.0/rev/32d6dd7ce7cb
>
>[root at sbh16 dovecot]# dovecot -n
># 2.0.beta3: /usr/local/etc/dovecot/dovecot.conf
># OS: Linux 2.6.18-8.1.14.el5 i686 CentOS release 5 (Final)
>auth_mechanisms = plain apop login
>auth_worker_max_count = 5
>mail_location = mbox:~/Mail:INBOX=/var/spool/mail/%u
>mail_privileged_group = mail
>mbox_write_locks = fcntl dotlock
>passdb {
>  args = /usr/local/etc/dovecot.passwd
>  deny = no
>  driver = passwd-file
>  master = no
>  pass = no
>}
>passdb {
>  deny = no
>  driver = pam
>  master = no
>  pass = no
>}
>protocols = imap pop3
>service auth {
>  unix_listener /var/spool/postfix/private/auth {
>    mode = 0666
>  }
>}
>ssl_cert = </etc/postfix/sbh16-cert.pem
>ssl_key = </etc/postfix/sbh16-key.pem
>userdb {
>  driver = passwd
>}
>[root at sbh16 dovecot]#


Here's a slightly different (but still truncated) backtrace and error
scenario from the one above. This time I think I was just accessing
mailboxes.

Feb 23 10:06:00 sbh16 dovecot: imap-login: Login: user=<mark>,
method=PLAIN, rip=68.183.193.239, lip=72.52.113.16, TLS

Feb 23 10:06:00 sbh16 dovecot: imap(mark): Panic: file
istream-raw-mbox.c: line 503 (istream_raw_mbox_get_start_offset):
assertion failed: (rstream->seeked)

Feb 23 10:06:00 sbh16 dovecot: imap(mark): Raw backtrace:
/usr/local/lib/dovecot/libdovecot.so.0 [0x329950] ->
/usr/local/lib/dovecot/libdovecot.so.0 [0x3299a5] ->
/usr/local/lib/dovecot/libdovecot.so.0 [0x329008] ->
/usr/local/lib/dovecot/libdovecot-storage.so.0 [0x1f07a7] ->
/usr/local/lib/dovecot/libdovecot-storage.so.0 [0x1f86e4] ->
/usr/local/lib/dovecot/libdovecot-storage.so.0(mail_get_special+0x1d)
[0x182aed] ->
/usr/local/lib/dovecot/libdovecot-storage.so.0(index_mail_expunge+0x34)
[0x1c2ed4] ->
/usr/local/lib/dovecot/libdovecot-storage.so.0(mail_expunge+0xf)
[0x182b9f] -> dovecot/imap(imap_expunge+0xc5) [0x8056eb5] ->
dovecot/imap [0x804f52a] -> dovecot/imap(cmd_expunge+0x24) [0x804f5f4]
-> dovecot/imap [0x80550cc] -> dovecot/imap [0x805517b] ->
dovecot/imap(client_handle_input+0x33) [0x80552d3] ->
dovecot/imap(client_input+0x5f) [0x8055c9f] ->
/usr/local/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x110)
[0x3358d0] -> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_run+0x2f)
[0x33458f] -> /usr/lo

Feb 23 10:06:00 sbh16 dovecot: master: service(imap): child 14261
killed with signal 6 (core dumps disabled)

Feb 23 10:06:01 sbh16 dovecot: imap-login: Login: user=<mark>,
method=PLAIN, rip=68.183.193.239, lip=72.52.113.16, TLS

Feb 23 10:06:01 sbh16 dovecot: master: service(imap): child 14263
killed with signal 11 (core dumps disabled)

Feb 23 10:06:06 sbh16 dovecot: imap-login: Login: user=<mark>,
method=PLAIN, rip=68.183.193.239, lip=72.52.113.16, TLS

Feb 23 10:06:06 sbh16 dovecot: imap-login: Login: user=<mark>,
method=PLAIN, rip=68.183.193.239, lip=72.52.113.16, TLS

Feb 23 10:06:07 sbh16 dovecot: master: service(imap): child 14237
killed with signal 11 (core dumps disabled)

Feb 23 10:06:08 sbh16 dovecot: imap-login: Login: user=<mark>,
method=PLAIN, rip=68.183.193.239, lip=72.52.113.16, TLS

Feb 23 10:06:08 sbh16 dovecot: master: service(imap): child 14269
killed with signal 11 (core dumps disabled)

-- 
Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan