[Rspamd-Users] cannot learn task since update to 3.8.0

[Albrecht Backhaus]

>> Since update to 3.8.0 today I do get the following error:
>>
>>> cannot learn task: ERR Error running script (call to f_011c3be117fb4380571ffe4d38e4884afaf37963): @user_script:1: user_script:1: stack overflow (too many return values at once; use unpack_one or unpack_limit instead.)
>> It worked previously without any problems. Any idea what I can do to solve this ?
> What's your stack size limit?
>
> Depending on your distribution there may be system-wide limits,
> limits in initscripts for particular services, like
>
>     [root at server ~]# ulimit -s
>     8192
>
> or systemd, which ignores the latter:
>
>     [root at server ~]# systemctl show redis | egrep "^Limit"
>     [root at server ~]# systemctl show rspamd | egrep "^Limit"
>
Here are my values:

ulimit -s   => 8192

systemctl show redis | egrep "^Limit"

LimitCPU=infinity
LimitCPUSoft=infinity
LimitFSIZE=infinity
LimitFSIZESoft=infinity
LimitDATA=infinity
LimitDATASoft=infinity
LimitSTACK=infinity
LimitSTACKSoft=8388608
LimitCORE=infinity
LimitCORESoft=0
LimitRSS=infinity
LimitRSSSoft=infinity
LimitNOFILE=65535
LimitNOFILESoft=65535
LimitAS=infinity
LimitASSoft=infinity
LimitNPROC=1030038
LimitNPROCSoft=1030038
LimitMEMLOCK=65536
LimitMEMLOCKSoft=65536
LimitLOCKS=infinity
LimitLOCKSSoft=infinity
LimitSIGPENDING=1030038
LimitSIGPENDINGSoft=1030038
LimitMSGQUEUE=819200
LimitMSGQUEUESoft=819200
LimitNICE=0
LimitNICESoft=0
LimitRTPRIO=0
LimitRTPRIOSoft=0
LimitRTTIME=infinity
LimitRTTIMESoft=infinity



systemctl show rspamd | egrep "^Limit"

LimitCPU=infinity
LimitCPUSoft=infinity
LimitFSIZE=infinity
LimitFSIZESoft=infinity
LimitDATA=infinity
LimitDATASoft=infinity
LimitSTACK=infinity
LimitSTACKSoft=8388608
LimitCORE=infinity
LimitCORESoft=0
LimitRSS=infinity
LimitRSSSoft=infinity
LimitNOFILE=1048576
LimitNOFILESoft=1048576
LimitAS=infinity
LimitASSoft=infinity
LimitNPROC=1030038
LimitNPROCSoft=1030038
LimitMEMLOCK=65536
LimitMEMLOCKSoft=65536
LimitLOCKS=infinity
LimitLOCKSSoft=infinity
LimitSIGPENDING=1030038
LimitSIGPENDINGSoft=1030038
LimitMSGQUEUE=819200
LimitMSGQUEUESoft=819200
LimitNICE=0
LimitNICESoft=0
LimitRTPRIO=0
LimitRTPRIOSoft=0
LimitRTTIME=infinity
LimitRTTIMESoft=infinity