'layout.prop_search' causes the application to write memory after the end of the heap bufer #79162

New Issue

Zachary · 2020-07-22T15:52:00+02:00

Zachary commented

2020-07-22 15:52:00 +02:00

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 950M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 451.67

Blender Version
Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-07-21 17:02, hash: b453e9e3a4

Short description of error
Getting a KeyError when trying to use Cube Surfer addon.
Worked late 2019 and code hasn't changed.
Looks like layout.prop_search is adding a space in front of name and causing a KeyError.

Exact steps for others to reproduce the error

Open blender
Copy, Past and Run the script below
Go to Hello World Panel in the object properties
Search an object
Should cause a KeyError and not let anything else draw in panel

import bpy

        
class HelloWorldPanel(bpy.types.Panel):
    """Creates a Panel in the Object properties window"""
    bl_label = "Hello World Panel"
    bl_idname = "OBJECT_PT_hello"
    bl_space_type = 'PROPERTIES'
    bl_region_type = 'WINDOW'
    bl_context = "object"

    def draw(self, context):
        obj = context.object
        self.layout.prop_search(obj, "test", context.scene, "objects", text="")


def register():
    bpy.utils.register_class(HelloWorldPanel)

    bpy.types.Object.test = bpy.props.StringProperty()


if __name__ == "__main__":
    register()

**System Information** Operating system: Windows-10-10.0.19041-SP0 64 Bits Graphics card: GeForce GTX 950M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 451.67 **Blender Version** Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-07-21 17:02, hash: `b453e9e3a4` **Short description of error** Getting a KeyError when trying to use Cube Surfer addon. Worked late 2019 and code hasn't changed. Looks like `layout.prop_search` is adding a space in front of name and causing a KeyError. ![cube_surfer_error_2.jpg](https://archive.blender.org/developer/F8713763/cube_surfer_error_2.jpg) **Exact steps for others to reproduce the error** 1. Open blender 2. Copy, Past and Run the script below 3. Go to `Hello World Panel` in the object properties 4. Search an object Should cause a KeyError and not let anything else draw in panel ``` import bpy class HelloWorldPanel(bpy.types.Panel): """Creates a Panel in the Object properties window""" bl_label = "Hello World Panel" bl_idname = "OBJECT_PT_hello" bl_space_type = 'PROPERTIES' bl_region_type = 'WINDOW' bl_context = "object" def draw(self, context): obj = context.object self.layout.prop_search(obj, "test", context.scene, "objects", text="") def register(): bpy.utils.register_class(HelloWorldPanel) bpy.types.Object.test = bpy.props.StringProperty() if __name__ == "__main__": register() ```

Zachary commented

2020-07-22 15:52:00 +02:00

Added subscriber: @AFWS

Germano Cavalcante commented

2020-07-22 19:29:35 +02:00

Added subscriber: @mano-wii

Germano Cavalcante commented

2020-07-22 19:29:35 +02:00

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

Germano Cavalcante closed this issue

2020-07-22 19:29:35 +02:00

Germano Cavalcante self-assigned this 2020-07-22 19:29:35 +02:00

Germano Cavalcante commented

2020-07-22 19:29:35 +02:00

Cube Surfer does not appear to be an official addon maintained by blender.
It has its own tracker, but apparently the site is down. (http://pyroevil.com/)
In this case try to contact the author of the addon.

Closing since this bug tracker does not provide support for unofficial addons.

Cube Surfer does not appear to be an official addon maintained by blender. It has its own tracker, but apparently the site is down. (http://pyroevil.com/) In this case try to contact the author of the addon. Closing since this bug tracker does not provide support for unofficial addons.

Zachary commented

2020-07-22 21:00:11 +02:00

@mano-wii

I don't think this is a addon issue. I added a blend with code. Not seeing anything in it that adds spaces in front of name and cause KeyError. That has to be some issue with layout.prop_search code or something.

Steps

1: Run Script
2: Go to Hello World Panel
3: Click the plus button
4: On object select Cube
5: Should cause a KeyError and not let anything else draw in panel

cube_surfer_error.blend

@mano-wii I don't think this is a addon issue. I added a blend with code. Not seeing anything in it that adds spaces in front of name and cause KeyError. That has to be some issue with `layout.prop_search` code or something. Steps 1: Run Script 2: Go to Hello World Panel 3: Click the plus button 4: On object select Cube 5: Should cause a KeyError and not let anything else draw in panel [cube_surfer_error.blend](https://archive.blender.org/developer/F8714228/cube_surfer_error.blend)

Germano Cavalcante commented

2020-07-22 21:08:50 +02:00

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

Germano Cavalcante reopened this issue

2020-07-22 21:08:50 +02:00

Germano Cavalcante changed title from ~~PropertyGroup or layout.prop_search adding space and causing KeyError~~ to 'layout.prop_search' causes the application to write memory after the end of the heap bufer

2020-07-23 03:15:54 +02:00

Germano Cavalcante removed their assignment 2020-07-23 03:15:54 +02:00

Germano Cavalcante commented

2020-07-23 03:15:55 +02:00

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

Germano Cavalcante commented

2020-07-23 03:16:46 +02:00

I can confirm the bug

blender-admin commented

2020-07-23 09:24:17 +02:00

This issue was referenced by 67002402bd

This issue was referenced by 67002402bd60d701acaf9e22801bc4411ded21d7

Campbell Barton commented

2020-07-23 09:35:43 +02:00

Changed status from 'Confirmed' to: 'Resolved'

Campbell Barton closed this issue

2020-07-23 09:35:43 +02:00

Campbell Barton self-assigned this 2020-07-23 09:35:43 +02:00

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'layout.prop_search' causes the application to write memory after the end of the heap bufer #79162