Sieve redirect is broken in 2.3.7.2 - signal 11

[Demonhost]

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.

92b9d3412dc8:/$ gdb /usr/libexec/dovecot/dovecot-lda -f root at xxxxxxxx -d 
test at xxxxxxxxx
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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.
>