LMTP crashing heavily for my 2.2.36 installation

[Wolfgang Rosenauer]

On Wed, Jul 11, 2018 at 10:46 AM, Timo Sirainen <tss at iki.fi> wrote:

> On 11 Jul 2018, at 8.41, Wolfgang Rosenauer <wrosenauer at gmail.com> wrote:
> >
> > I'm running 2.2.36 (as provided by openSUSE in their server:mail
> repository) and at least at one of my systems LMTP is crashing regularly on
> certain messages (apparently a lot of them).
> >
> > Sometimes (but not always a backtrace is posted to the logs:
> >
> > 2018-07-11T07:34:56.741848+02:00 saruman dovecot: lmtp(14690): Fatal:
> master: service(lmtp): child 14690 killed with signal 11 (core dumps
> disabled)
> > 2018-07-11T07:34:56.820474+02:00 saruman dovecot: lmtp(an007498):
> Panic: file imap-bodystructure.c: line 116 (part_write_body_multipart):
> assertion failed: (part->data != NULL)
> ..
> > storage.so.0(mail_set_attachment_keywords+0x162) [0x7ff549773662]
>
> Looks like it's because of the "mail_attachment_detection_options =
> add-flags-on-save" setting. What mailbox format do you use? It's currently
> broken with mbox and in v2.2.36 with Maildir (which was fixed in v2.3.2).
>
> I'm indeed using maildir so this is a known issue and yes I use
mail_attachment_detection_options=add-flags-on-save (or rather I tried to
but now have to disable it). Not sure when I get to upgrade to 2.3.x.


Thanks,
 Wolfgang
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