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Infinite loop on using strip as modifier mask
Confirmed, NormalPublicBUG

Description

System Information
Operating system: Linux-5.3.0-42-generic-x86_64-with-debian-buster-sid 64 Bits
Graphics card: GeForce GTX 1660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 435.21

Blender Version
Broken: version: 2.83 (sub 10), branch: master, commit date: 2020-03-19 21:12, hash: rBd2c3544c5cb0
Worked: unknown

Short description of error
The title says it all: When I add a Gaussian Burr, any new selection will immediately trigger the problem.. Be careful when testing: Within seconds, Blender consumes all my memory (16GB) and locks up the computer. Not even the mouse moves any more, I need to reboot.

Exact steps for others to reproduce the error

  1. Start a new project in VSE mode
  2. Add any strip - even a color strip will do
  3. Add the effect strip "Gaussian Blur"
  4. Select the color strip (from 2.) and add strip modifier "Mask"
  5. Set "Mask Input Type" to "Strip" and set Maks to "Gaussian Blur"

  1. So far so good. Now, if I move cursor to a different position in the strip, Blender locks up within seconds. I have a memory widget on my toolbar, where I can see how within 2-3 seconds, all memory is consumed. At this point, the mouse locks up. I can't even switch to the console any more. I have to restart the computer using the power button.

Event Timeline

Richard Antalik (ISS) changed the task status from Needs Triage to Confirmed.Fri, Mar 20, 6:30 PM
Richard Antalik (ISS) changed the subtype of this task from "Report" to "Bug".
Richard Antalik (ISS) renamed this task from Crash in VSE when adding Gaussinan Blur as strip modifier due to memory leak to Infinite loop on using strip as modifier mask.Sat, Mar 21, 1:18 AM