Sieve redirect is broken in 2.3.7.2 - signal 11

[Demonhost]

I think alpine does not have that

https://pkgs.alpinelinux.org/packages?name=dovecot*&branch=v3.8&repo=main&arch=x86_64

https://git.alpinelinux.org/aports/tree/main/dovecot/APKBUILD?h=3.8-stable

What else would help? strace?

On 2019. 10. 06. 23:05, Stephan Bosch via dovecot wrote:
>
>
> On 06/10/2019 23:03, Demonhost wrote:
>> Hi Stephan,
>>
>> I managed to get GDB, I hope this one helps. If not I can send the 
>> config too, but exactly same config works with 2.3.6.
>
> You don't have the debug symbols for Dovecot installed. Usually, your 
> system will have a separate package for that. On Debian, it is called 
> dovecot-dbg.
>
>>
>> 92b9d3412dc8:/$ gdb /usr/libexec/dovecot/dovecot-lda -f root at xxxxxxxx 
>> -d test at xxxxxxxxx
>> GNU gdb (GDB) 8.0.1
>> Copyright (C) 2017 Free Software Foundation, Inc.
>> License GPLv3+: GNU GPL version 3 or later 
>> <http://gnu.org/licenses/gpl.html>
>> This is free software: you are free to change and redistribute it.
>> There is NO WARRANTY, to the extent permitted by law.  Type "show 
>> copying"
>> and "show warranty" for details.
>> This GDB was configured as "x86_64-alpine-linux-musl".
>> Type "show configuration" for configuration details.
>> For bug reporting instructions, please see:
>> <http://www.gnu.org/software/gdb/bugs/>.
>> Find the GDB manual and other documentation resources online at:
>> <http://www.gnu.org/software/gdb/documentation/>.
>> For help, type "help".
>> Type "apropos word" to search for commands related to "word"...
>> Warning: //test at xxxxxxxxx: No such file or directory.
>> Reading symbols from /usr/libexec/dovecot/dovecot-lda...(no debugging 
>> symbols found)...done.
>> //root at xxxxxxxx: No such file or directory.
>> (gdb) r -f root at xxxxxxxx -d test at xxxxxxxxx < message
>> Starting program: /usr/libexec/dovecot/dovecot-lda -f root at xxxxxxxx 
>> -d test at xxxxxxxxx < message
>> process 359 is executing new program: /usr/bin/doveconf
>> process 359 is executing new program: /usr/libexec/dovecot/dovecot-lda
>>
>> Program received signal SIGSEGV, Segmentation fault.
>> 0x00007ffff75b74f7 in p_strdup () from /usr/lib/dovecot/libdovecot.so.0
>> (gdb) bt full
>> #0  0x00007ffff75b74f7 in p_strdup () from 
>> /usr/lib/dovecot/libdovecot.so.0
>> No symbol table info available.
>> #1  0x00007ffff757dd1a in ssl_iostream_settings_init_from () from 
>> /usr/lib/dovecot/libdovecot.so.0
>> No symbol table info available.
>> #2  0x00007ffff7522545 in smtp_submit_session_init () from 
>> /usr/lib/dovecot/libdovecot.so.0
>> No symbol table info available.
>> #3  0x00007ffff752265a in smtp_submit_init_simple () from 
>> /usr/lib/dovecot/libdovecot.so.0
>> No symbol table info available.
>> #4  0x00007ffff687e923 in ?? () from 
>> /usr/lib/dovecot/lib90_sieve_plugin.so
>> No symbol table info available.
>> #5  0x00007ffff65fe761 in sieve_smtp_start () from 
>> /usr/lib/dovecot/libdovecot-sieve.so.0
>> No symbol table info available.
>> #6  0x00007ffff65fe869 in sieve_smtp_start_single () from 
>> /usr/lib/dovecot/libdovecot-sieve.so.0
>> No symbol table info available.
>> #7  0x00007ffff661c71e in ?? () from 
>> /usr/lib/dovecot/libdovecot-sieve.so.0
>> No symbol table info available.
>> #8  0x00007ffff660e8a8 in ?? () from 
>> /usr/lib/dovecot/libdovecot-sieve.so.0
>> No symbol table info available.
>> #9  0x00007ffff66100d1 in sieve_result_execute () from 
>> /usr/lib/dovecot/libdovecot-sieve.so.0
>> No symbol table info available.
>> #10 0x00007ffff661e9fc in ?? () from 
>> /usr/lib/dovecot/libdovecot-sieve.so.0
>> No symbol table info available.
>> #11 0x00007ffff661f638 in sieve_multiscript_run () from 
>> /usr/lib/dovecot/libdovecot-sieve.so.0
>> No symbol table info available.
>> #12 0x00007ffff687f7cb in ?? () from 
>> /usr/lib/dovecot/lib90_sieve_plugin.so
>> No symbol table info available.
>> #13 0x00007ffff7b69960 in mail_deliver () from 
>> /usr/lib/dovecot/libdovecot-lda.so.0
>> No symbol table info available.
>> #14 0x0000555555556fd2 in main ()
>> No symbol table info available.
>>
>> On 2019. 10. 04. 14:42, Stephan Bosch wrote:
>>>
>>>
>>> Op 4-10-2019 om 12:10 schreef Demonhost via dovecot:
>>>> Hi,
>>>>
>>>> If we use sieve redirect under dovecot 2.3.7.2 we end up with
>>>>
>>>> Oct 04 03:30:31 dockerhost docker[12154]: 2019-10-04T03:30:31 
>>>> 53ac2ae27650 postfix: 0605F207B0F36: to=<xxxx at xxxx.xx>, 
>>>> relay=127.0.0.1[127.0.0.1]:10024, delay=1.5, delays=0.36/0/0/1.1, 
>>>> dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 
>>>> 250 2.0.0 Ok: queued as 6FC89207B0F38)
>>>> Oct 04 03:30:31 dockerhost docker[12154]: 2019-10-04T03:30:31 
>>>> 53ac2ae27650 postfix: 6FC89207B0F38: to=<xxxx at xxxx.xx>, 
>>>> relay=dovecot, delay=0.31, delays=0.05/0/0/0.26, dsn=4.3.0, 
>>>> status=deferred (Command died with signal 11: 
>>>> "/usr/libexec/dovecot/dovecot-lda")
>>>>
>>>> Using docker with official alpine image.
>>>>
>>>> / # cat /etc/alpine-release
>>>> 3.8.4
>>>>
>>>> / # apk info -v | grep dovecot
>>>> WARNING: Ignoring APKINDEX.adfa7ceb.tar.gz: No such file or directory
>>>> WARNING: Ignoring APKINDEX.efaa1f73.tar.gz: No such file or directory
>>>> dovecot-2.3.7.2-r0
>>>> dovecot-fts-solr-2.3.7.2-r0
>>>> dovecot-ldap-2.3.7.2-r0
>>>> dovecot-pigeonhole-plugin-2.3.7.2-r0
>>>> dovecot-pigeonhole-plugin-ldap-2.3.7.2-r0
>>>>
>>>> Sieve rule is:
>>>> # rule:[test]
>>>> if header :contains "subject" "test"
>>>> {
>>>>         redirect "testemail at gmail.com";
>>>> }
>>>>
>>>> In host's dmesg we found the following:
>>>> [213184.882341] traps: dovecot-lda[6128] general protection 
>>>> ip:7ff6cf8144f7 sp:7fff5f800b30 error:0 in 
>>>> libdovecot.so.0.0.0[7ff6cf724000+360000]
>>>>
>>>> Sorry, not knowledgeable enough on how to do the GBD debug.
>>>> -----------------
>>>> We went back to previous version and issue disappeared.
>>>>
>>>> 8b45bb255b67:/# cat /etc/alpine-release
>>>> 3.8.4
>>>> 8b45bb255b67:/# apk info -v | grep dovecot
>>>> WARNING: Ignoring APKINDEX.adfa7ceb.tar.gz: No such file or directory
>>>> WARNING: Ignoring APKINDEX.efaa1f73.tar.gz: No such file or directory
>>>> dovecot-2.3.6-r0
>>>> dovecot-fts-solr-2.3.6-r0
>>>> dovecot-ldap-2.3.6-r0
>>>> dovecot-pigeonhole-plugin-2.3.6-r0
>>>> dovecot-pigeonhole-plugin-ldap-2.3.6-r0
>>>>
>>>> Anyone else already had this problem or you know how to fix it?
>>>
>>> I can't readily reproduce it with the information available so far. 
>>> Do you have the opportunity to obtain a GDB backtrace? You can e.g. 
>>> run LDA manually at the command line with the same arguments and 
>>> message input Postfix provides and wrap it in GDB if you can 
>>> reproduce the crash.
>>>
>>> Your configuration may also help (output from `dovecot -n`)
>>>
>>> Regards,
>>>
>>> Stephan.
>>>
>