https://bugs.kde.org/show_bug.cgi?id=510253
Bug ID: 510253
Summary: Drag & Drop of effects between 2 Kdenlive instances
causes segfault
Classification: Applications
Product: kdenlive
Version First 25.08.1
Reported In:
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: User Interface & Miscellaneous
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
If drag & drop an effect of a clip from one Kdenlive instance to another, the
target Kdenlive will segfault.
I found that there are other similar reports
(https://bugs.kde.org/show_bug.cgi?id=377581 ,
https://bugs.kde.org/show_bug.cgi?id=398791) which state that this is currently
not implemented.
However, IMO it still shouldn't segfault.
My intention was to copy effects with complex parameters (such as
Lift/Gamma/Gain or Curves) from an older project to a newer one. And yes, I'm
aware of the library and I very well use it, but in this case I don't know how
to do it because I only need the effect and its parameters and not a sequence
of a video.
STEPS TO REPRODUCE
1. Open 2 instances of Kdenlive.
2. Add a clip to the timeline of both instances.
3. Add an effect to the clip in the timeline of one of the instances of
Kdenlive.
4. Drag & drop this effect to the 2nd instance's timeline clip.
OBSERVED RESULT
Immediate segfault.
`segfault at d8 ip 0000000000b5fe20 sp 00007fffc6e27388 error 4 in
kdenlive[75fe20,4d3000+9c6000] likely on CPU 11 (core 11, socket 0)`
EXPECTED RESULT
Effect dropped on the clip.
SOFTWARE/OS VERSIONS
Operating System: Kubuntu 25.04
KDE Plasma Version: 6.3.4
KDE Frameworks Version: 6.12.0
Qt Version: 6.8.3
Kernel Version: 6.14.0-33-generic (64-bit)
ADDITIONAL INFORMATION
Tested with the current app image 25.08.1 as well as with s a self-compiled
version 25.08.2 checkout out from git release/25.08 #0c7bd834ec.
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