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Giacomo

2018-Dec-21 15:16 UTC

assertion failed: (srcleft <= CHARSET_MAX_PENDING_BUF_SIZE)

The bug happens not very often, it might need a week to get a core file.


Il giorno ven 21 dic 2018 alle ore 15:18 Aki Tuomi <
aki.tuomi at open-xchange.com> ha scritto:
>
> On 21.12.2018 14.49, Giacomo wrote:
> > I'm running the following:
> >
> > # 2.3.4 (0ecbaf23d): /usr/local/etc/dovecot/dovecot.conf
> > # OS: FreeBSD 11.2-RELEASE-p4 amd64
> > # FS: ZFS
> >
> > auth_mechanisms = plain login
> > auth_username_format = %Ln
> > listen = *
> > mail_location = maildir:~/Maildir
> > namespace inbox {
> >   inbox = yes
> >   location > >   mailbox Drafts {
> >     auto = subscribe
> >     special_use = \Drafts
> >   }
> >   mailbox Junk {
> >     auto = subscribe
> >     special_use = \Junk
> >   }
> >   mailbox Sent {
> >     special_use = \Sent
> >   }
> >   mailbox Trash {
> >     auto = subscribe
> >     special_use = \Trash
> >   }
> >   prefix > > }
> > passdb {
> >   driver = pam
> > }
> > protocols = imap lmtp
> > service auth {
> >   unix_listener /var/spool/postfix/private/auth {
> >     group = postfix
> >     mode = 0666
> >     user = postfix
> >   }
> >   user = dovecot
> > }
> > service imap-login {
> >   inet_listener imap {
> >     port = 0
> >   }
> > }
> > service lmtp {
> >   unix_listener /var/spool/postfix/private/dovecot-lmtp {
> >     group = postfix
> >     mode = 0600
> >     user = postfix
> >   }
> > }
> > service stats {
> >   unix_listener stats-reader {
> >     group > >     mode = 0600
> >     user > >   }
> >   unix_listener stats-writer {
> >     group = $default_internal_group
> >     mode = 0666
> >     user > >   }
> >   user = $default_internal_user
> > }
> > ssl_cert = </root/cert.pem
> > ssl_key = # hidden, use -P to show it
> > userdb {
> >   driver = passwd
> > }
> >
> > dmesg shows:
> >
> > pid 74441 (imap), uid 1002: exited on signal 6
> > pid 74784 (imap), uid 1002: exited on signal 6
> > pid 21471 (imap), uid 1002: exited on signal 6
> > pid 21470 (imap), uid 1002: exited on signal 6
> > pid 21464 (imap), uid 1002: exited on signal 6
> > pid 21731 (imap), uid 1002: exited on signal 6
> >
> > Sometimes the dovecot process serving an user crashes. He runs mostly
> > airmail on macOS and samsung mail on Android.
> >
> > Happens only to that particular user.
> >
> > The log shows the following: (maillog)
> >
> > Dec 16 14:52:35 mail dovecot: imap-login: Login: user=<USER>,
> > method=PLAIN, rip=79.12.201.157, lip=192.168.1.28, mpid=74779, TLS,
> > session=<wMQI+iN9VtRPDMmd>
> > Dec 16 14:52:39 mail dovecot:
imap(USER)<74441><nLa+7SN9+fhPDMmd>:
> > Panic: file charset-iconv.c: line 83 (charset_to_utf8_try): assertion
> > failed: (srcleft <= CHARSET_MAX_PENDING_BUF_SIZE)
> > Dec 16 14:52:39 mail dovecot:
imap(USER)<74441><nLa+7SN9+fhPDMmd>:
> > Fatal: master: service(imap): child 74441 killed with signal 6 (core
> > not dumped - https://dovecot.org/bugreport.html#coredumps - set
> > service imap { drop_priv_before_exec=yes })
> >
> > I'm here if more info is needed.
> >
> > Thanks for taking a look.
>
>
> Can you somehow get a core file and get backtrace from it?
>
>
> Aki
>
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Stephan Bosch

2019-Jan-20 18:15 UTC

head link

assertion failed: (srcleft <= CHARSET_MAX_PENDING_BUF_SIZE)

Hi Giacomo,

Op 21/12/2018 om 16:16 schreef Giacomo:> The bug happens not very often, it might need a week to get a core file.
Any luck getting a core file?

Regards,

Stephan.>
>
> Il giorno ven 21 dic 2018 alle ore 15:18 Aki Tuomi 
> <aki.tuomi at open-xchange.com <mailto:aki.tuomi at
open-xchange.com>> ha
> scritto:
>
>
>     On 21.12.2018 14.49, Giacomo wrote:
>     > I'm running the following:
>     >
>     > # 2.3.4 (0ecbaf23d): /usr/local/etc/dovecot/dovecot.conf
>     > # OS: FreeBSD 11.2-RELEASE-p4 amd64
>     > # FS: ZFS
>     >
>     > auth_mechanisms = plain login
>     > auth_username_format = %Ln
>     > listen = *
>     > mail_location = maildir:~/Maildir
>     > namespace inbox {
>     > ? inbox = yes
>     > ? location >     > ? mailbox Drafts {
>     > ? ? auto = subscribe
>     > ? ? special_use = \Drafts
>     > ? }
>     > ? mailbox Junk {
>     > ? ? auto = subscribe
>     > ? ? special_use = \Junk
>     > ? }
>     > ? mailbox Sent {
>     > ? ? special_use = \Sent
>     > ? }
>     > ? mailbox Trash {
>     > ? ? auto = subscribe
>     > ? ? special_use = \Trash
>     > ? }
>     > ? prefix >     > }
>     > passdb {
>     > ? driver = pam
>     > }
>     > protocols = imap lmtp
>     > service auth {
>     > ? unix_listener /var/spool/postfix/private/auth {
>     > ? ? group = postfix
>     > ? ? mode = 0666
>     > ? ? user = postfix
>     > ? }
>     > ? user = dovecot
>     > }
>     > service imap-login {
>     > ? inet_listener imap {
>     > ? ? port = 0
>     > ? }
>     > }
>     > service lmtp {
>     > ? unix_listener /var/spool/postfix/private/dovecot-lmtp {
>     > ? ? group = postfix
>     > ? ? mode = 0600
>     > ? ? user = postfix
>     > ? }
>     > }
>     > service stats {
>     > ? unix_listener stats-reader {
>     > ? ? group >     > ? ? mode = 0600
>     > ? ? user >     > ? }
>     > ? unix_listener stats-writer {
>     > ? ? group = $default_internal_group
>     > ? ? mode = 0666
>     > ? ? user >     > ? }
>     > ? user = $default_internal_user
>     > }
>     > ssl_cert = </root/cert.pem
>     > ssl_key = # hidden, use -P to show it
>     > userdb {
>     > ? driver = passwd
>     > }
>     >
>     > dmesg shows:
>     >
>     > pid 74441 (imap), uid 1002: exited on signal 6
>     > pid 74784 (imap), uid 1002: exited on signal 6
>     > pid 21471 (imap), uid 1002: exited on signal 6
>     > pid 21470 (imap), uid 1002: exited on signal 6
>     > pid 21464 (imap), uid 1002: exited on signal 6
>     > pid 21731 (imap), uid 1002: exited on signal 6
>     >
>     > Sometimes the dovecot process serving an user crashes. He runs
>     mostly
>     > airmail on macOS and samsung mail on Android.
>     >
>     > Happens only to that particular user.
>     >
>     > The log shows the following: (maillog)
>     >
>     > Dec 16 14:52:35 mail dovecot: imap-login: Login:
user=<USER>,
>     > method=PLAIN, rip=79.12.201.157, lip=192.168.1.28, mpid=74779,
TLS,
>     > session=<wMQI+iN9VtRPDMmd>
>     > Dec 16 14:52:39 mail dovecot:
imap(USER)<74441><nLa+7SN9+fhPDMmd>:
>     > Panic: file charset-iconv.c: line 83 (charset_to_utf8_try):
>     assertion
>     > failed: (srcleft <= CHARSET_MAX_PENDING_BUF_SIZE)
>     > Dec 16 14:52:39 mail dovecot:
imap(USER)<74441><nLa+7SN9+fhPDMmd>:
>     > Fatal: master: service(imap): child 74441 killed with signal 6
(core
>     > not dumped - https://dovecot.org/bugreport.html#coredumps - set
>     > service imap { drop_priv_before_exec=yes })
>     >
>     > I'm here if more info is needed.
>     >
>     > Thanks for taking a look.
>
>
>     Can you somehow get a core file and get backtrace from it?
>
>
>     Aki
>

Giacomo

2019-Jan-21 07:52 UTC

head link

assertion failed: (srcleft <= CHARSET_MAX_PENDING_BUF_SIZE)

I've just enabled core dumps on the involved FreeBSD system. Let's see
if
it dumps something..

Il giorno dom 20 gen 2019 alle ore 19:16 Stephan Bosch <stephan at
rename-it.nl>
ha scritto:
> Hi Giacomo,
>
> Op 21/12/2018 om 16:16 schreef Giacomo:
> > The bug happens not very often, it might need a week to get a core
file.
>
> Any luck getting a core file?
>
> Regards,
>
> Stephan.
> >
> >
> > Il giorno ven 21 dic 2018 alle ore 15:18 Aki Tuomi
> > <aki.tuomi at open-xchange.com <mailto:aki.tuomi at
open-xchange.com>> ha
> > scritto:
> >
> >
> >     On 21.12.2018 14.49, Giacomo wrote:
> >     > I'm running the following:
> >     >
> >     > # 2.3.4 (0ecbaf23d): /usr/local/etc/dovecot/dovecot.conf
> >     > # OS: FreeBSD 11.2-RELEASE-p4 amd64
> >     > # FS: ZFS
> >     >
> >     > auth_mechanisms = plain login
> >     > auth_username_format = %Ln
> >     > listen = *
> >     > mail_location = maildir:~/Maildir
> >     > namespace inbox {
> >     >   inbox = yes
> >     >   location > >     >   mailbox Drafts {
> >     >     auto = subscribe
> >     >     special_use = \Drafts
> >     >   }
> >     >   mailbox Junk {
> >     >     auto = subscribe
> >     >     special_use = \Junk
> >     >   }
> >     >   mailbox Sent {
> >     >     special_use = \Sent
> >     >   }
> >     >   mailbox Trash {
> >     >     auto = subscribe
> >     >     special_use = \Trash
> >     >   }
> >     >   prefix > >     > }
> >     > passdb {
> >     >   driver = pam
> >     > }
> >     > protocols = imap lmtp
> >     > service auth {
> >     >   unix_listener /var/spool/postfix/private/auth {
> >     >     group = postfix
> >     >     mode = 0666
> >     >     user = postfix
> >     >   }
> >     >   user = dovecot
> >     > }
> >     > service imap-login {
> >     >   inet_listener imap {
> >     >     port = 0
> >     >   }
> >     > }
> >     > service lmtp {
> >     >   unix_listener /var/spool/postfix/private/dovecot-lmtp {
> >     >     group = postfix
> >     >     mode = 0600
> >     >     user = postfix
> >     >   }
> >     > }
> >     > service stats {
> >     >   unix_listener stats-reader {
> >     >     group > >     >     mode = 0600
> >     >     user > >     >   }
> >     >   unix_listener stats-writer {
> >     >     group = $default_internal_group
> >     >     mode = 0666
> >     >     user > >     >   }
> >     >   user = $default_internal_user
> >     > }
> >     > ssl_cert = </root/cert.pem
> >     > ssl_key = # hidden, use -P to show it
> >     > userdb {
> >     >   driver = passwd
> >     > }
> >     >
> >     > dmesg shows:
> >     >
> >     > pid 74441 (imap), uid 1002: exited on signal 6
> >     > pid 74784 (imap), uid 1002: exited on signal 6
> >     > pid 21471 (imap), uid 1002: exited on signal 6
> >     > pid 21470 (imap), uid 1002: exited on signal 6
> >     > pid 21464 (imap), uid 1002: exited on signal 6
> >     > pid 21731 (imap), uid 1002: exited on signal 6
> >     >
> >     > Sometimes the dovecot process serving an user crashes. He
runs
> >     mostly
> >     > airmail on macOS and samsung mail on Android.
> >     >
> >     > Happens only to that particular user.
> >     >
> >     > The log shows the following: (maillog)
> >     >
> >     > Dec 16 14:52:35 mail dovecot: imap-login: Login:
user=<USER>,
> >     > method=PLAIN, rip=79.12.201.157, lip=192.168.1.28,
mpid=74779, TLS,
> >     > session=<wMQI+iN9VtRPDMmd>
> >     > Dec 16 14:52:39 mail dovecot:
imap(USER)<74441><nLa+7SN9+fhPDMmd>:
> >     > Panic: file charset-iconv.c: line 83 (charset_to_utf8_try):
> >     assertion
> >     > failed: (srcleft <= CHARSET_MAX_PENDING_BUF_SIZE)
> >     > Dec 16 14:52:39 mail dovecot:
imap(USER)<74441><nLa+7SN9+fhPDMmd>:
> >     > Fatal: master: service(imap): child 74441 killed with signal
6
> (core
> >     > not dumped - https://dovecot.org/bugreport.html#coredumps -
set
> >     > service imap { drop_priv_before_exec=yes })
> >     >
> >     > I'm here if more info is needed.
> >     >
> >     > Thanks for taking a look.
> >
> >
> >     Can you somehow get a core file and get backtrace from it?
> >
> >
> >     Aki
> >
>
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