Crash after removing a "target" from any search button [e.g.UVMap node] and clicking again on the same button #75325
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Reference: blender/blender#75325
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System Information
Win 10
Blender Version
Broken: blender-2.83-a9963669f9d2-windows64
Worked: Not sure...
Short description of error
On nodes that have that "target" field (like the UVMap node etc), when you choose something from the list and then remove it by clicking on the (X) sign, if you don't move the mouse and click again on the same spot, blender crashes..
Exact steps for others to reproduce the error
In the shader editor, add a UVMap node, choose the uvmap in the "target" list, then remove it by clicking on (X). And without moving your mouse (or at least dont move it outside the button), click again on the same spot. Crash.
Double click on the (X) does the same thing..
See:
Untitled.mp4
Added subscriber: @TheRedWaxPolice
#75345 was marked as duplicate of this issue
Added subscriber: @lichtwerk
Changed status from 'Needs Triage' to: 'Confirmed'
Confirmed, checking...
Added subscribers: @JulianEisel, @ideasman42
Caused by
c46dcdf887
Since above commit,
ui_apply_but_funcs_after
will free the buttonssearch_arg
Then back and forth between restoring
search_arg
while drawingUI_but_func_search_set()
and freeing againui_apply_but_func()
Not really sure how to reliably ensure
UI_but_func_search_set
is called last...So here,
but->search_arg
is NULLCrash could of course be prevented like so
P1321: #75325 bandaid
But I guess there are better ways to solve this, @ideasman42, @JulianEisel?
Will set to Hig priority since it is a crash and it affects all search menus...
Crash after removing a "target" from a node and clicking again on the same spotto Crash after removing a "target" from any search button [e.g.UVMap node] and clicking again on the same buttonAdded subscriber: @Raulus
Added subscriber: @unwave
Does not crash:
2.83 (sub 6), branch: master, commit date: 2020-03-09 13:47, hash:
598ab525da
2.82 (sub 7), branch: master, commit date: 2020-03-12 05:06, hash:
375c7dc4ca
Crash:
2.83 (sub 11), branch: master, commit date: 2020-04-03 21:41, hash:
7c0e285948
thx investigating, we already know the commit that causes the issue (see above)
Added subscriber: @NelsonNAS
Ah, so that's the reason blender is crashing a lot lately.
Any news on a fix for this?
@ideasman42 : mind checking?
Closed as duplicate of #75203