Maniphest T92620

Crash with for loop in bm.face.loops: in edit mode
Closed, DuplicateBUG
Actions

Assigned To
None
Authored By
Sergey (randum)
Oct 29 2021, 6:23 PM
Tags
  • BF Blender
  • Python API
Subscribers
Germano Cavalcante (mano-wii)
Sergey (randum)

Description

System Information
Operating system: Windows-10-10.0.19042-SP0 64 Bits
Graphics card: GeForce GTX 660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 457.09

Blender Version
Broken: version: 3.0.0 Beta, branch: master, commit date: 2021-10-27 22:07, hash: rBb838eaf2b960
Worked: (newest version of Blender that worked as expected)

Short description of error
Iterating over bmesh.face.loops leads to the crash when a mesh is in edit mode. I tested this in 2.93 it crushes all the same.

Exact steps for others to reproduce the error

untitled.blend795 KBDownload

  1. Open the file
  2. Run the script
  3. Go to the Edit mode
  4. Press Ctrl + R to add loop cut
  5. Move loop cut over the edges
  6. If no crush repeat 4 and 5 till the crush

Event Timeline

Sergey (randum) created this task.Oct 29 2021, 6:23 PM
Germano Cavalcante (mano-wii) changed the task status from Needs Triage to Confirmed.Nov 1 2021, 9:45 PM
Germano Cavalcante (mano-wii) added a project: Python API.
Germano Cavalcante (mano-wii) changed the subtype of this task from "Report" to "Bug".
Germano Cavalcante (mano-wii) added a subscriber: Germano Cavalcante (mano-wii).

Thanks for the report. I can confirm.

Campbell Barton (campbellbarton) closed this task as a duplicate of T67093: Python/BMesh: Crash on UV changes when handling depsgraph update - CDLayer re-allocation issue.Nov 2 2021, 12:17 PM