Bug in dovecot 2.3 virtual plugin

Thu Jan 11 02:32:01 EET 2018

Hi!

Now an error is back. I didn't change my configuration and get now this
error, whily i try to refresh my thunderbird. I think it happens in a
virtual folder again.

Jän 11 01:29:19 aldebaran dovecot[11597]: imap-login: Login:
user=<jakob>, method=CRAM-MD5, rip=127.0.0.1, lip=127.0.0.1, mpid=5008,
TLS, session=<+MAgPXVisrx/AAAB>
Jän 11 01:29:22 aldebaran dovecot[11597]:
imap(jakob)<5008><+MAgPXVisrx/AAAB>: Panic: file mail-index.c: line 793
(mail_index_close): assertion failed: (index->open_count > 0)
Jän 11 01:29:22 aldebaran dovecot[11597]:
imap(jakob)<5008><+MAgPXVisrx/AAAB>: Error: Raw backtrace:
/usr/local/lib/dovecot/libdovecot.so.0(+0xc6021) [0x7fd17fbb9021] ->
/usr/local/lib/dovecot/libdovecot.so.0(+0xc60ed) [0x7fd17fbb90ed] ->
/usr/local/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7fd17fb2b481] ->
/usr/local/lib/dovecot/libdovecot-storage.so.0(+0xf39a8)
[0x7fd17ff589a8] ->
/usr/local/lib/dovecot/libdovecot-storage.so.0(+0xd92d1)
[0x7fd17ff3e2d1] ->
/usr/local/lib/dovecot/libdovecot-storage.so.0(+0xd9363)
[0x7fd17ff3e363] ->
/usr/local/lib/dovecot/libdovecot-storage.so.0(index_storage_mailbox_free+0x9)
[0x7fd17ff2ff39] ->
/usr/local/lib/dovecot/libdovecot-storage.so.0(+0xd05a4)
[0x7fd17ff355a4] ->
/usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_free+0x19)
[0x7fd17feafc99] ->
/usr/local/lib/dovecot/lib20_virtual_plugin.so(+0xabdc) [0x7fd17b11abdc]
-> /usr/local/lib/dovecot/lib20_virtual_plugin.so(+0xacb9)
[0x7fd17b11acb9] ->
/usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_close+0x1a)
[0x7fd17feafc0a] ->
/usr/local/lib/dovecot/lib20_virtual_plugin.so(+0xac60) [0x7fd17b11ac60]
-> /usr/local/lib/dovecot/lib20_virtual_plugin.so(+0xacb9)
[0x7fd17b11acb9] ->
/usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_close+0x1a)
[0x7fd17feafc0a] ->
/usr/local/lib/dovecot/lib20_virtual_plugin.so(+0xac60) [0x7fd17b11ac60]
-> /usr/local/lib/dovecot/lib20_virtual_plugin.so(+0xacb9)
[0x7fd17b11acb9] ->
/usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_close+0x1a)
[0x7fd17feafc0a] ->
/usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_free+0x13)
[0x7fd17feafc93] -> dovecot/imap [jakob 127.0.0.1
select](imap_client_close_mailbox+0x5b) [0x5633bdd9905b] -> dovecot/imap
[jakob 127.0.0.1 select](+0x14f03) [0x5633bdd90f03] -> dovecot/imap
[jakob 127.0.0.1 select](cmd_select_full+0xf9) [0x5633bdd91129] ->
dovecot/imap [jakob 127.0.0.1 select](command_exec+0x64)
[0x5633bdd98ca4] -> dovecot/imap [jakob 127.0.0.1 select](+0x1b0b2)
[0x5633bdd970b2] -> dovecot/imap [jakob 127.0.0.1 select](+0x1b13c)
[0x5633bdd9713c] -> dovecot/imap [jakob 127.0.0.1
select](client_handle_input+0x1a5) [0x5633bdd97565] -> dovecot/imap
[jakob 127.0.0.1 select](client_input+0x82) [0x5633bdd97be2] ->
/usr/local/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x69)
[0x7fd17fbd0c09]
Jän 11 01:29:22 aldebaran dovecot[11597]:
imap(jakob)<5008><+MAgPXVisrx/AAAB>: Fatal: master: service(imap): child
5008 killed with signal 6 (core not dumped)

Am 2018-01-05 um 10:25 schrieb Aki Tuomi:
> This is a different bug, and I suspect it might be caused by virtual
> plugin. We'll look into it.
> 
> Aki
> 
> On 04.01.2018 23:41, Jakob Schürz wrote:
>> Hi!
>>
>> This is very strange...
>> This error affects only one mailaccount, and it happend not yesterday.
>> The file
>>
>> /var/lib/dovecot/db/indexes/Maildir/jakob/INBOX/dovecot.index
>>
>> which hat "Panic: Leaked view for index" does not exist. only
>> dovecot.index.log and .cache exists in this mailbox. (which is normal
>> for small mailboxes, i've read). But why is dovecot throwing an error?
>>
>> And i could find out, this is only, when i try to open a virtual folder.
>>
>> I switched back to older self-compiled dovecot-versions... but the error
>> exists also there (but not before the update!!!)
>>
>> I also deleted all the dovecot.index-files, dovecot.index.log and
>> dovecot.index.cache-files to let rebuild dovecot the index again... the
>> error persists.
>>
>> Is it a misconfiguration?
>>
>> So i tried to build for the virtual-Mailboxes the Index in memory... the
>> error persists and dovecot wants to read this index-file.
>>
>> My virtual folders not working any longer (on this account only!)
>>
>> For debug purpose i deleted all the emails in this mailbox, the error
>> dissapered on this folder, but comes back in the next folder.
>>
>> could this be a problem with ulimit?
>>
>> greez
>> jakob
>>
>> Am 2018-01-04 um 11:07 schrieb Jakobus Schürz:
>>> Hi!
>>>
>>> Is this a bug according to the other one?
>>>
>>> When i try to open a real or virtual mailbox, i often (not on every
>>> mailbox) get this error-message:
>>>
>>> Jän 04 11:03:32 aldebaran dovecot[24534]:
>>> imap(jakob)<24705><Ug/EcfBhSrDAqAAO>: Panic: Leaked view for index
>>> /var/lib/dovecot/db/indexes/Maildir/jakob/INBOX/dovecot.index: Opened in
>>> index-storage.c:336
>>> Jän 04 11:03:32 aldebaran dovecot[24534]:
>>> imap(jakob)<24705><Ug/EcfBhSrDAqAAO>: Error: Raw backtrace:
>>> /usr/local/lib/dovecot/libdovecot.so.0(+0xc6021) [0x7f47d5872021] ->
>>> /usr/local/lib/dovecot/libdovecot.so.0(+0xc60ed) [0x7f47d58720ed] ->
>>> /usr/local/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f47d57e4481] ->
>>> /usr/local/lib/dovecot/libdovecot-storage.so.0(+0xf3942)
>>> [0x7f47d5c11942] ->
>>> /usr/local/lib/dovecot/libdovecot-storage.so.0(index_storage_mailbox_close+0x72)
>>> [0x7f47d5be8ec2] ->
>>> /usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_close+0x1a)
>>> [0x7f47d5b68c0a] ->
>>> /usr/local/lib/dovecot/lib20_virtual_plugin.so(+0xa7e0) [0x7f47d0dd37e0]
>>> ->
>>> /usr/local/lib/dovecot/lib20_virtual_plugin.so(virtual_backend_box_open+0x2b)
>>> [0x7f47d0dd397b] ->
>>> /usr/local/lib/dovecot/lib20_virtual_plugin.so(virtual_storage_sync_init+0x1026)
>>> [0x7f47d0dd6926] ->
>>> /usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_sync_init+0x4d)
>>> [0x7f47d5b6b05d] ->
>>> /usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_sync+0x37)
>>> [0x7f47d5b6b117] ->
>>> /usr/local/lib/dovecot/libdovecot-storage.so.0(index_storage_get_status+0x31)
>>> [0x7f47d5be7781] ->
>>> /usr/local/lib/dovecot/lib20_virtual_plugin.so(+0x9b3d) [0x7f47d0dd2b3d]
>>> -> /usr/local/lib/dovecot/libdovecot-storage.so.0(+0xaded1)
>>> [0x7f47d5bcbed1] -> /usr/local/lib/dovecot/lib01_acl_plugin.so(+0xe975)
>>> [0x7f47d5001975] ->
>>> /usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_get_status+0x31)
>>> [0x7f47d5b6b4b1] ->
>>> /usr/local/lib/dovecot/lib20_virtual_plugin.so(virtual_storage_sync_init+0x114d)
>>> [0x7f47d0dd6a4d] ->
>>> /usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_sync_init+0x4d)
>>> [0x7f47d5b6b05d] ->
>>> /usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_sync+0x37)
>>> [0x7f47d5b6b117] -> dovecot/imap [jakob 192.168.0.14
>>> EXAMINE](cmd_select_full+0x171) [0x555d195a91a1] -> dovecot/imap [jakob
>>> 192.168.0.14 EXAMINE](command_exec+0x64) [0x555d195b0ca4] ->
>>> dovecot/imap [jakob 192.168.0.14 EXAMINE](+0x1b0b2) [0x555d195af0b2] ->
>>> dovecot/imap [jakob 192.168.0.14 EXAMINE](+0x1b13c) [0x555d195af13c] ->
>>> dovecot/imap [jakob 192.168.0.14 EXAMINE](client_handle_input+0x1a5)
>>> [0x555d195af565] -> dovecot/imap [jakob 192.168.0.14
>>> EXAMINE](client_input+0x82) [0x555d195afbe2] ->
>>> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x69)
>>> [0x7f47d5889bf9] ->
>>> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x109)
>>> [0x7f47d588b499] ->
>>> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x52)
>>> [0x7f47d5889d02]
>>> Jän 04 11:03:32 aldebaran dovecot[24534]:
>>> imap(jakob)<24705><Ug/EcfBhSrDAqAAO>: Fatal: master: service(imap):
>>> child 24705 killed with signal 6 (core dumps disabled)
>>>
>>> I deinstalled all debian-dovecot-packages and installed the user
>>> dovenull manually again. This is all, i did.
>>>
>>> jakob
>>
> 