Crash when using dict quotas with sqlite database

[John Fawcett]

On 01/02/2019 20:40, Marcel Menzel wrote:
> Hello,
>
>
> After I configured a SQLite backed dict quota backend, the dict process
> crashes every time a quota operation is happening.
>
> SQLite: 3.26.0
>
> Dovecot: 2.3.4 (0ecbaf23d)
>
> Linux: 4.20.4.a-1-hardened #1 SMP PREEMPT Fri Jan 25 01:24:51 CET 2019
> x86_64 GNU/Linux (Arch Linux)
>
> Filesystem: BTRFS
>
>
> I can't get any debug output from Dovecot, even after setting log_debug
> = cat:* event:* source:* field:*=*
>
> dovecot[6457]: dict(6687): Debug: sqlite: Finished query 'BEGIN
> TRANSACTION' in 0 msecs
> dovecot[6457]: dict(6687): Fatal: master: service(dict): child 6687
> killed with signal 11 (core dumped)
>
>
> I've attached the output of dovecot -n and the coredump file from
> systemd-coredump.
>
>
> Kind regards,
>
> Marcel Menzel
>
Any chance of posting a backtrace?

John