Slicing certain BMEditSelSeq objects crashes Blender #89450

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opened 2021-06-26 13:09:13 +02:00 by Constantine Shablya · 11 comments

Constantine Shablya commented

2021-06-26 13:09:13 +02:00

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 471.11

Blender Version
Broken: version: 2.92.0, branch: master, commit date: 2021-02-24 16:25, hash: 02948a2cab

Short description of error
Slicing a non-empty BMEditSelSeq with left bound being length of this object crashes Blender.

Exact steps for others to reproduce the error

Open blender;
Switch to Scripting tab;
In the text editor, open operator_unwrap_and_crash_blender.py;
operator_unwrap_and_crash_blender.py
In the 3D view, switch to edit mode, switch to face select, select at least one face;
Run the script;
Observe blender crash.

For clarity, see the attached screenshot:

system-info.txt

**System Information** Operating system: Windows-10-10.0.19041-SP0 64 Bits Graphics card: NVIDIA GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 471.11 **Blender Version** Broken: version: 2.92.0, branch: master, commit date: 2021-02-24 16:25, hash: `02948a2cab` **Short description of error** Slicing a non-empty BMEditSelSeq with left bound being length of this object crashes Blender. **Exact steps for others to reproduce the error** 1) Open blender; 2) Switch to Scripting tab; 3) In the text editor, open operator_unwrap_and_crash_blender.py; [operator_unwrap_and_crash_blender.py](https://archive.blender.org/developer/F10202932/operator_unwrap_and_crash_blender.py) 4) In the 3D view, switch to edit mode, switch to face select, select at least one face; 5) Run the script; 6) Observe blender crash. For clarity, see the attached screenshot: ![blender_CoU8aDqXy1.png](https://archive.blender.org/developer/F10202933/blender_CoU8aDqXy1.png) [system-info.txt](https://archive.blender.org/developer/F10202936/system-info.txt)

Constantine Shablya commented

2021-06-26 13:09:13 +02:00

Author

Added subscriber: @nanokatze

Added subscriber: @nanokatze

Constantine Shablya commented

2021-06-26 13:59:06 +02:00

Author

Also happens on 2.93.1, branch: master, commit date: 2021-06-22 05:57, hash: 1b8d33b18c

Also happens on 2.93.1, branch: master, commit date: 2021-06-22 05:57, hash: `1b8d33b18c`

Pratik Borhade commented

2021-06-26 17:39:22 +02:00

Member

Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'

Pratik Borhade self-assigned this 2021-06-26 17:39:22 +02:00

Pratik Borhade removed their assignment 2021-07-03 11:22:59 +02:00

Pratik Borhade commented

2021-07-03 11:22:59 +02:00

Member

Added subscriber: @PratikPB2123

Added subscriber: @PratikPB2123

Pratik Borhade commented

2021-07-03 11:22:59 +02:00

Member

No intention to the assign task to myself. It was just a mistake.

No intention to the assign task to myself. It was just a mistake.

Campbell Barton commented

2021-08-04 15:29:09 +02:00

Owner

Added subscriber: @ideasman42

Added subscriber: @ideasman42

Campbell Barton commented

2021-08-04 15:29:09 +02:00

Owner

I've got a fix for this, however I'd like to investigate related issues since they might apply slicing elsewhere.

I've got a fix for this, however I'd like to investigate related issues since they might apply slicing elsewhere.

blender-admin commented

2021-08-05 08:44:01 +02:00

This issue was referenced by a609e9f07f

This issue was referenced by a609e9f07ff9732b85aff2bdfe169ea785aac626

blender-admin commented

2021-08-05 08:44:01 +02:00

This issue was referenced by f6665f506b

This issue was referenced by f6665f506b0a7cb5251501eca37a8e2e9d7bafc1

blender-admin commented

2021-08-05 08:44:01 +02:00

This issue was referenced by 2b51124d6a

This issue was referenced by 2b51124d6a59bedf00397d4ef2fd4442c4fddd22

Campbell Barton commented

2021-08-05 08:56:59 +02:00

Owner

Changed status from 'Confirmed' to: 'Resolved'

Changed status from 'Confirmed' to: 'Resolved'

Campbell Barton closed this issue

2021-08-05 08:56:59 +02:00

Campbell Barton self-assigned this 2021-08-05 08:56:59 +02:00

Falk David referenced this issue

2023-02-10 13:03:23 +01:00

Blender LTS: Maintenance Task 2.93 #88449

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Reference: blender/blender#89450

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