[Akonadi] [Bug 414966] New: Akonadi crash when performing search with already-present Last Search results

[Marcus Harrison]

https://bugs.kde.org/show_bug.cgi?id=414966

            Bug ID: 414966
           Summary: Akonadi crash when performing search with
                    already-present Last Search results
           Product: Akonadi
           Version: 5.12.3
          Platform: unspecified
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: server
          Assignee: kdepim-bugs at kde.org
          Reporter: marcus at harrisonland.co.uk
  Target Milestone: ---

Application: akonadiserver (5.12.3)

Qt Version: 5.13.2
Frameworks Version: 5.64.0
Operating System: Linux 4.15.0-72-generic x86_64
Distribution: KDE neon User Edition 5.17

-- Information about the crash:
- What I was doing when the application crashed:

I used the search function (under Tools -> Find Messages...) to create a search
folder called Last Search. The first search was successful.

Consecutive attempts to use the same search function with different parameters
failed, searching forever without updating the Last Search folder. Sometimes
the Last Search folder would populate with all messages in the searched
folders.

Finally, quiting Kontact caused both Kontact and Akonadi server to crash.

Performing these steps in sequence fairly reliably causes the crash in my
experience.

The crash can be reproduced every time.

-- Backtrace (Reduced):
#6  _mm_crc32_u64 (__V=<error reading variable: Cannot access memory at address
0xfe0600044fe0>, __C=<optimized out>) at
/usr/lib/gcc/x86_64-linux-gnu/7/include/smmintrin.h:848
#7  crc32<QChar> (ptr=0xfe0600044fe0, len=<optimized out>, h=<optimized out>)
at tools/qhash.cpp:112
#8  0x00007f03a144e3c2 in hash (seed=<optimized out>, len=<optimized out>,
p=<optimized out>) at tools/qhash.cpp:223
#9  qHash (key=..., seed=<optimized out>) at tools/qhash.cpp:239
#10 0x000055ba0511201b in QHash<QString,
Akonadi::Server::AbstractItemRetrievalJob*>::findNode
(this=this at entry=0x55ba0609b328, akey=..., ahp=ahp at entry=0x0) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qhash.h:934


Possible duplicates by query: bug 414229, bug 413844, bug 413385, bug 413205,
bug 413201.

Reported using DrKonqi

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