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Maniphest T82762

Geometry nodes: Crash when piping #frame through vector math "dot product"
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Description

System Information
Operating system: Linux-5.4.0-53-generic-x86_64-with-debian-buster-sid 64 Bits
Graphics card: GeForce GT 630/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 390.138

Blender Version
Broken: version: 2.92.0 Alpha, branch: geometry-nodes, commit date: 2020-11-13 01:38, hash: rBec7fffb03305
Worked: (newest version of Blender that worked as expected)

Short description of error
Blender crashes in a certain situation which is described in the picture below.

Exact steps for others to reproduce the error
Open the blend-file.
Position the mouse pointer over the vector math node mode selector, hold [Ctrl] and scroll the mousewheel until you reach "dot product",
or select it directly.
You might doubt if it should be possible to report bugs to this branch, but since everything nodes is the bright future we all are waiting for, please consider this bug report as direct means to make blender better. Nodes are not a feature, but the future.


GN ctrl-scroll bug.blend1015 KBDownload

Related Objects

Event Timeline

user1 (user1) created this task.Nov 16 2020, 3:08 PM
Germano Cavalcante (mano-wii) added projects: Geometry Nodes, Nodes & Physics.Nov 17 2020, 5:26 PM
Dalai Felinto (dfelinto) added a subscriber: Dalai Felinto (dfelinto).Nov 18 2020, 1:04 AM

The report is a bit off, but the bug is legit. Basically connecting the default Math Vector with dot in the Rotation of the Transform node crashes.

Malloc returns null: len=2147483648 in source/blender/blenlib/BLI_linear_allocator.hh:214, total 21

Dalai Felinto (dfelinto) added a comment.Nov 18 2020, 1:19 AM

Full backtrack: P1786

Dalai Felinto (dfelinto) added a comment.Nov 18 2020, 2:29 AM

For the records, this happens to any "mode" in the Vector math that has only a single float as attribute.

Jacques Lucke (JacquesLucke) closed this task as Resolved.Nov 20 2020, 12:07 PM
Jacques Lucke (JacquesLucke) claimed this task.
Jacques Lucke (JacquesLucke) added a subscriber: Jacques Lucke (JacquesLucke).

Thanks. Fixed by rB2781e51cda282313e0f27d7dbe8adad9a5483ec5.

Victor-Louis De Gusseme (victorlouis) added a revision: D9949: Geometry Nodes: Yuksel's sample elimination algorithm.Dec 29 2020, 11:52 AM
Victor-Louis De Gusseme (victorlouis) removed a revision: D9949: Geometry Nodes: Yuksel's sample elimination algorithm.Dec 29 2020, 1:22 PM