Duplicating Nodes Crashes Blender #73493
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Reference: blender/blender#73493
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System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce GTX 1050 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 442.01
Blender Version
Broken: version: 2.83 (sub 1), branch: master, commit date: 2020-01-29 00:11, hash:
7642ee627a
Short description of error
Duplicating nodes through context menu(Right Click) crashes Blender.
Exact steps for others to reproduce the error
Open Blender, go to any Node-based editor and try to duplicate a node through context menu
Added subscriber: @Blendork
Added subscriber: @rjg
I can't reproduce this with the most recent master but I can confirm that this issue was occurring in
a554ff9693
. I'm checking but it seems like this might have been fixed by7c9b5523ff
.Added subscriber: @SteffenD
No crashes for me in latest 2.83 (
e3f89237fe
). Tried duplicating Shader nodes and Compositor nodes.Added subscriber: @JulianEisel
The crash doesn't occur after
7c9b5523ff
.@JulianEisel the cause was an invalid pointer passed as
v2d
intoUI_view2d_view_to_region()
(view2d.c ). Does your patch fix this completely or could there be another bug here?Stack trace for
3ee219b845
Changed status from 'Needs Triage' to: 'Resolved'
It was probably caused by a
NULL
pointer de-reference when accessing View2D through the context region - which was likelyNULL
after my changes.So no, I don't think there's another bug involved.