[Akonadi] [Bug 440543] New: org.kde.pim.kimap: The stream parser raised an exception: Unable to read more data

[Aaron Williams]

https://bugs.kde.org/show_bug.cgi?id=440543

            Bug ID: 440543
           Summary: org.kde.pim.kimap: The stream parser raised an
                    exception: Unable to read more data
           Product: Akonadi
           Version: 5.17.80
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: IMAP resource
          Assignee: kdepim-bugs at kde.org
          Reporter: aaronw at doofus.org
  Target Milestone: ---

SUMMARY
Akonadi repeatedly spits this out whenever I receive an email with over 300
names in the CC list with an IMAP account on Office365.com.

STEPS TO REPRODUCE
1. Have corporate send out a mass invitation calendar event with 306 entries in
the CC list. 

OBSERVED RESULT
When Akonadi hits this it keeps spitting out the above.

Here is the debug output:

C: A000005 CAPABILITY
S: * CAPABILITY IMAP4 IMAP4rev1 AUTH=PLAIN AUTH=XOAUTH2 SASL-IR UIDPLUS MOVE ID
UNSELECT CLIENTACCESSRULES CLIENTNETWORKPRESENCELOCATION BACKENDAUTHENTICATE
CHILDREN IDLE NAMESPACE LITERAL+
S: A000005 OK CAPABILITY completed.
C: A000006 NAMESPACE
S: * NAMESPACE ( ("" "/") ) ( ) ( )
S: A000006 OK NAMESPACE completed.
C: A000007 ID ("name" "Kontact IMAP Resource")
S: * ID ( name Microsoft.Exchange.Imap4.Imap4Server version 15.20 )
S: A000007 OK ID completed
C: A000008 APPEND "INBOX" "02-Aug-2021 18:17:06 +0000" {12388476}
S: + Ready for additional command text.
C: Received: from BN8PR18MB3009.namprd18.prod.outlook.com
(2603:10b6:408:99::17) by BYAPR18MB2469.namprd18.prod.outlook.com with HTTPS;
Mon, 2 Aug 2021 18:21:13 +0000
...
HUGE CC list, last column is 15411 and the CC list is terminated with a ^M
...
S: Cc: BAD Command Error. 10
X

EXPECTED RESULT
It shouldn't barf.


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

Akonadi version: 21.07.80
ADDITIONAL INFORMATION
Deleting the email and calendar entry from the Outlook web interface does not
fix this and it continues to barf on this, even after I have completely deleted
it from the deleted items recovery folder.
akonadictl vacuum and fsck do not fix this either. It is forever stuck on this
email. Once it hits this email, it is unable to donwnload any newer messages.

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