[Akonadi] [Bug 364045] New: akonadi_imap_resource crashes synchronizing with imap.kabelmail.de

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364045

            Bug ID: 364045
           Summary: akonadi_imap_resource crashes synchronizing with
                    imap.kabelmail.de
           Product: Akonadi
           Version: 16.04
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: IMAP resource
          Assignee: chrigi_1 at fastmail.fm
          Reporter: franz-joseph.barthold at kabelmail.de
                CC: kdepim-bugs at kde.org, vkrause at kde.org

The imap version of my account using imap.kabelmail.de crahes as soon as any
synchronization is initiated. The folder structure is shown, but no e-mails.

The account works for other e-mail clients (thunderbird, evolution).
The current kdepim installation (opensuse tumbleweed using kdepim 16.04) works
properly for other e-mail accounts, e.g. those imap resources for business.

Here some details.

Crash report after 'akonadictl restart'
http://pastebin.com/eZBAA29u

Developer information copied from the crahs report dialog
http://pastebin.com/qY8yjn25

I also installed all sources for debugging with gdb.
Here is the output.
http://pastebin.com/BzkVVsjM

The debugger stops at line 84 in file
syscall-template.S
which is located in
/usr/src/debug/glibc-2.23/sysdeps/unix
in case of current openSUSE Tumbleweed.

Here is the corresponding backtrace
http://pastebin.com/xpA29dPP

Reproducible: Always

Steps to Reproduce:
1. Add account using imap.kabelmail.de to kmail.
2. Synchronize
3. Observe that akonadi_imap_resource crashes

Actual Results:  
The crash report dialog opens.
The folder structure of the account is visible.
But no synchronization of the e-mails.

Expected Results:  
Show all e-mails

I tried to synchronize with imap.kabelmail.de for several months using
different version of kdepim (15.08, 15.12, 16.04) on either opensuse Leap 42.1
or Tumbleweed. Furthermore, different users have been used.

I like to exclude any configuration issues because only this account shows this
behavior and all other imap resource work properly.

I suppose that the specific pair of akonadi_imap_resource and server software
at imap.kabelmail.de causes this trouble. I have no specific information on the
server software.

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