https://bugs.kde.org/show_bug.cgi?id=522828

            Bug ID: 522828
           Summary: Segfault MoveStrokeStrategy::initStrokeCallback
                    KisImage::currentLevelOfDetail
    Classification: Applications
           Product: krita
      Version First git master (please specify the git hash!)
       Reported In:
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: * Unknown
          Assignee: [email protected]
          Reporter: [email protected]
  Target Milestone: ---

DESCRIPTION

Happened randomly when drawing and using the free transform tool, not sure
about exactly how to repro.

I remember this I have also seen krita crash in `currentLevelOfDetail` maybe
1-2 ago so this definitely isn't a new bug

```
(gdb) bt
#0  0x00007ffff6a47eb0 in KisImage::currentLevelOfDetail() const () from
/home/user/sources/krita/outputs/out/lib/libkritaimage.so.21
#1  0x00007ffff796b3b1 in
MoveStrokeStrategy::initStrokeCallback()::{lambda()#3}::operator()() const ()
from /home/user/sources/krita/outputs/out/lib/libkritaui.so.21
#2  0x00007ffff680d562 in KisUpdateJobItem::run() () from
/home/user/sources/krita/outputs/out/lib/libkritaimage.so.21
#3  0x00007ffff2d03444 in QThreadPoolThread::run() () from
/nix/store/06cyd9iyviksr28gg5mbg1nhj8x0d3pl-qtbase-6.11.1/lib/libQt6Core.so.6
#4  0x00007ffff2dbdde8 in QThreadPrivate::start(void*) () from
/nix/store/06cyd9iyviksr28gg5mbg1nhj8x0d3pl-qtbase-6.11.1/lib/libQt6Core.so.6
#5  0x00007ffff229dd53 in start_thread () from
/nix/store/8kvxvr3pmsypxiypq4g8zy13glnfr7nx-glibc-2.42-67/lib/libc.so.6
#6  0x00007ffff232563c in __clone3 () from
/nix/store/8kvxvr3pmsypxiypq4g8zy13glnfr7nx-glibc-2.42-67/lib/libc.so.6
```


OBSERVED RESULT


EXPECTED RESULT


SOFTWARE/OS VERSIONS
krita master 2026-07-07
qt 6.11 (I think it's irrelevant because this bug happens before)

ADDITIONAL INFORMATION

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