Memory leak with exceptions raised from scripts in the text editor #112399

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Campbell Barton · 2023-09-15T02:58:28+02:00

Campbell Barton commented

2023-09-15 02:58:28 +02:00

Impacts v3.6, main (4.0).

The steps to reproduce this bug are as follows:

Run blender --factory-startup -d (for leak reporting).
(Optional) subdivide the default cube, make the leak visible from system tools.
Open a text editor and paste the script (below).
Run the script (the error is expected), each execution will use more memory.
Exit Blender, notice the leak message. e.g.

Error: Not freed memory blocks: 180, total unfreed memory 585.008698 MB                                                                                                           
C_BVHTree_FromObject len: 1179672 0x7f1f55a91838                                                                                                                                  
C_BVHTree_FromObject len: 2359296 0x7f1f5024b838                                                                                                                                  
BVHTree len: 48 0x60b00035a3e8                                                                                                                                                    
BVHNodes len: 2097184 0x7f1f50048838                                                                                                                                              
BVHNodeBV len: 6291552 0x7f1f4f1d2838                                                                                                                                             
BVHNodeBV len: 8388736 0x7f1f4367a838                                                                                                                                             
BVHNodeArray len: 8388736 0x7f1f365b2838                                                                                                                                          
C_BVHTree_FromObject len: 786432 0x7f1f559ce838                                                                                                                                   
C_BVHTree_FromObject len: 1179648 0x7f1f53b22838                                                                                                                                  
C_BVHTree_FromObject len: 1179672 0x7f1f43557838                                                                                                                                  
C_BVHTree_FromObject len: 2359296 0x7f1f3ebdf838

Script:

import bpy
from mathutils.bvhtree import BVHTree

ob = bpy.context.active_object

depsgraph = bpy.context.evaluated_depsgraph_get()

bvh_leak = BVHTree.FromObject(ob, depsgraph)

__raise_an_error__

Impacts v3.6, `main` (4.0). The steps to reproduce this bug are as follows: - Run `blender --factory-startup -d` (for leak reporting). - (Optional) subdivide the default cube, make the leak visible from system tools. - Open a text editor and paste the script (below). - Run the script (the error is expected), each execution will use more memory. - Exit Blender, notice the leak message. e.g. ``` Error: Not freed memory blocks: 180, total unfreed memory 585.008698 MB C_BVHTree_FromObject len: 1179672 0x7f1f55a91838 C_BVHTree_FromObject len: 2359296 0x7f1f5024b838 BVHTree len: 48 0x60b00035a3e8 BVHNodes len: 2097184 0x7f1f50048838 BVHNodeBV len: 6291552 0x7f1f4f1d2838 BVHNodeBV len: 8388736 0x7f1f4367a838 BVHNodeArray len: 8388736 0x7f1f365b2838 C_BVHTree_FromObject len: 786432 0x7f1f559ce838 C_BVHTree_FromObject len: 1179648 0x7f1f53b22838 C_BVHTree_FromObject len: 1179672 0x7f1f43557838 C_BVHTree_FromObject len: 2359296 0x7f1f3ebdf838 ``` Script: ``` import bpy from mathutils.bvhtree import BVHTree ob = bpy.context.active_object depsgraph = bpy.context.evaluated_depsgraph_get() bvh_leak = BVHTree.FromObject(ob, depsgraph) __raise_an_error__ ```

Campbell Barton added the

labels 2023-09-15 02:58:29 +02:00

Campbell Barton referenced this issue from a commit

2023-09-15 04:24:45 +02:00

Fix #112399: Memory leak with exceptions from scripts in the text editor

Campbell Barton closed this issue