[kmail2] [Bug 364444] New: Crash on deleting attachments

[Frederik Schwarzer via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364444

            Bug ID: 364444
           Summary: Crash on deleting attachments
           Product: kmail2
           Version: 5.2.1
          Platform: Other
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: schwarzer at kde.org

Hi,

unfortunately I cannot give you a good bt because I am on a mixed system of
Debian Sid and Experimental and the -dbp oackages are conflicting at the
moment.

But let me explain my problem. In the KDE 4 version of KMail, deleting
attachments sometimes failed. I just right-clicked, selected "Delete
Attachment" from the context menu and nothing happened. To make it work again,
I had to first select another email in the message list and then select the
original email again. Then I could resume deleting attachments. Sometimes I had
to delete one at a time and do the selection game in between, sometimes I was
able to delete 2 to 5 attachments before it was stuck again but that's how it
was in KDE 4 for me.

Now I installed the KF5 version of KMail (5.2.1) and the behaviour changed a
bit. I can delete way more attachments before the deletion process gets stuck
and I have to select and re-select as described above. But now, KMail crashes
sometimes when deleting an attachment.

The getting stuck and sometimes crash behaviour seems to get worse the more
attachments I delete. And once I wait for 5 minutes, I can continue without
problems ... until it gets worse again.

My Mail Server is posteo.de (in case that's helping) and I am connected via
IMAP.

To test this, just send yourself an email with e.g. 50 attachments and start
deleting.

Maybe this will also count as a wishlist for a "Delete all attachments" action.
:D

Reproducible: Always

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