dovecot - Nov 2019 - Crash when moving mail from Inbox to Trash

Hi,

I am developing a dovecot plugin, and inside my plugin I am implementing my own
expunge function. Inside my function, I am calling the following lines of code:
 if (storage->v.mail_open(mail, &offset, &mail->open_file) < 0)
return -1;
The mail_open virtual function is an invalid address. The storage should be
mdbox however, it seems that it didn't get the correct mdbox_mail_open of
mdbox-storage.
Do you have any suggestions as to why this is happening?

dovecot version:2.3.7 (a3d493f)


Sincerely,Marvin
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