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Changing the broken group results in a crash. #116082

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opened 2023-12-12 07:23:05 +01:00 by ugorek · 7 comments
ugorek commented 2023-12-12 07:23:05 +01:00
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System Information
Operating system: Windows-10-10.0.19045-SP0 64 Bits
Graphics card: NVIDIA GeForce GTX 1650/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 536.23

Blender Version
Broken: version: 4.1.0 Alpha, branch: main, commit date: 2023-11-10 13:41, hash: cb5f650a5aa1

Short description of error
I coding a script to convert trees between editor types, and something went wrong in the process...
I didn't notice, but using the api I was able to somehow make a group whose name change would lead to instant crash.
Also, deleting a group or unlink a material will result in a crash.
curse.blend

Exact steps for others to reproduce the error
Open the file and delete the node.

**System Information** Operating system: Windows-10-10.0.19045-SP0 64 Bits Graphics card: NVIDIA GeForce GTX 1650/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 536.23 **Blender Version** Broken: version: 4.1.0 Alpha, branch: main, commit date: 2023-11-10 13:41, hash: `cb5f650a5aa1` **Short description of error** I coding a script to convert trees between editor types, and something went wrong in the process... I didn't notice, but using the api I was able to somehow make a group whose name change would lead to instant crash. Also, deleting a group or unlink a material will result in a crash. [curse.blend](/attachments/df7dc4fa-cebb-4f5c-a4a4-5368520de8eb) **Exact steps for others to reproduce the error** Open the file and delete the node.
curse.blend
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ugorek added the
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 labels 2023-12-12 07:23:06 +01:00
Iliya Katushenock commented 2023-12-12 13:42:57 +01:00
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I can confirm crash, but there is nothing that we can do without simple way to reproduce this from scratch with short script.

I can confirm crash, but there is nothing that we can do without simple way to reproduce this from scratch with short script.
ugorek commented 2023-12-12 20:55:00 +01:00
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Okay, I think I've managed to restore it.

import bpy

treeFrom = bpy.data.node_groups["Geometry Nodes"]
treeTo = bpy.data.node_groups.get("Aaa") or bpy.data.node_groups.new("Aaa", 'ShaderNodeTree')

treeTo.interface.clear()
for skfFrom in treeFrom.interface.items_tree:
    skfTo = treeTo.interface.new_socket(skfFrom.bl_socket_idname, in_out=skfFrom.in_out)
    try:
        skfTo.socket_type = skfFrom.socket_type
    except:
        pass
    for pr in skfFrom.bl_rna.properties:
        if (not pr.is_readonly)and(pr.identifier!='socket_type'):
            txt = "."+pr.identifier
            txt = repr(skfTo)+txt+" = "+repr(skfFrom)+txt
            exec(txt)
            #setattr(skfTo, pr.identifier, getattr(skfFrom, pr.identifier))

@mod_moder ^

Okay, I think I've managed to restore it. ```py import bpy treeFrom = bpy.data.node_groups["Geometry Nodes"] treeTo = bpy.data.node_groups.get("Aaa") or bpy.data.node_groups.new("Aaa", 'ShaderNodeTree') treeTo.interface.clear() for skfFrom in treeFrom.interface.items_tree: skfTo = treeTo.interface.new_socket(skfFrom.bl_socket_idname, in_out=skfFrom.in_out) try: skfTo.socket_type = skfFrom.socket_type except: pass for pr in skfFrom.bl_rna.properties: if (not pr.is_readonly)and(pr.identifier!='socket_type'): txt = "."+pr.identifier txt = repr(skfTo)+txt+" = "+repr(skfFrom)+txt exec(txt) #setattr(skfTo, pr.identifier, getattr(skfFrom, pr.identifier)) ``` @mod_moder ^
ugorek commented 2023-12-12 22:26:20 +01:00
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I have a suspicion that the installation for the shader tree .interface.items_tree[0].bl_socket_idname = 'NodeSocketGeometry' has something to do with the crash.

I have a suspicion that the installation for the shader tree `.interface.items_tree[0].bl_socket_idname = 'NodeSocketGeometry'` has something to do with the crash.
Iliya Katushenock commented 2023-12-13 11:24:52 +01:00
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Okay, I think I've managed to restore it.

Not able to confirm crash in my default file / can't run this in factory startup.

> Okay, I think I've managed to restore it. Not able to confirm crash in my default file / can't run this in factory startup.
ugorek commented 2023-12-13 13:13:02 +01:00
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  1. Factory Settings
  2. Geometry nodes > +New
  3. Scripnig > +New
  4. Paste and Run
  5. Shading > Shift+A
  6. Add "Aaa"
  7. Factory Settings
  8. Crash!!

@mod_moder

1. Factory Settings 2. Geometry nodes > +New 3. Scripnig > +New 4. Paste and Run 5. Shading > Shift+A 6. Add "Aaa" 7. Factory Settings 8. Crash!! @mod_moder <video src="/attachments/a5ec8a91-87ec-48e8-b75f-5c1865521ac2" title="2023-12-13 19-05-18.mp4" controls></video>
2023-12-13 19-05-18.mp4
2.7 MiB
👍 1
Iliya Katushenock commented 2023-12-13 13:46:42 +01:00
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@LukasTonne Is there a chance that new node tree interface items does not use pull function of tree type to validate socket type (on assignment)?

@LukasTonne Is there a chance that new node tree interface items does not use pull function of tree type to validate socket type (on assignment)?
Iliya Katushenock self-assigned this 2023-12-13 14:25:42 +01:00
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Iliya Katushenock commented 2024-04-26 14:16:43 +02:00
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I can't reproduce this error anymore, but now i have memory leak.

I can't reproduce this error anymore, but now i have memory leak.
Bart van der Braak added
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