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Maniphest T72071

Blender crashes upon moving extruded vertices/edges with edge snapping enabled
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Description

System Information
Operating system: Windows 10 (V.1903)
Graphics card: Asus ROG strix RTX 2070 (Driver Version: 441.41)
CPU: AMD Ryzen 5 1600X (6-core)
RAM: 16 GB

Blender Version
Broken: (v.2.81)
Worked: (v.2.80)

Short description of error
When trying to move my extruded vertex or edge with G and edge snapping on, Blender immediately closes. I was not able to recreate this in a simplified blend.file so I will just add my project file as it can be recreated there with every vertex and edge there. In addition to this, I had the mirror modifier enabled. Blender is installed through Steam.

Exact steps for others to reproduce the error

  1. Press E to extrude your desired vertex or edge
  2. Enable Snapping-> Egde Snapping
  3. Press G to move your vertex/edge

Xenomorph.blend590 KBDownload

Here is a recorded video evidence of the issue:
https://drive.google.com/file/d/1GVw7XJg9knSQl95_b4SskFiZzHpuc_cw/view?usp=sharing

Revisions and Commits

rB Blender
rB4a440ecb99d7 Fix T72071: Crash on snap to edge
rB0f521ca4d962 Fix T72071: Crash on snap to edge

Related Objects

Event Timeline

Emilia (Milly) created this task.Nov 30 2019, 7:52 PM
Emilia (Milly) updated the task description. (Show Details)Nov 30 2019, 8:01 PM
Jean First (robbott) added a subscriber: Jean First (robbott).Dec 1 2019, 5:38 PM

I can confirm this bug with version: 2.82 (sub 3), branch: master, commit date: 2019-11-30 17:33, hash: rBf1ac64921b49

backtrace: P1176 , crashlog: P1177

Philipp Oeser (lichtwerk) lowered the priority of this task from 90 to 80.Dec 2 2019, 1:41 PM
Philipp Oeser (lichtwerk) added a project: Modeling.
Philipp Oeser (lichtwerk) added subscribers: Germano Cavalcante (mano-wii), Philipp Oeser (lichtwerk).

@Germano Cavalcante (mano-wii) : can reproduce in todays buildbot (rBf1ac64921b49), but for some reason not in Debug builds (rB9516921c05bd)

Does this ring a bell?

Germano Cavalcante (mano-wii) changed the task status from Unknown Status to Resolved by committing rB0f521ca4d962: Fix T72071: Crash on snap to edge.Dec 2 2019, 2:31 PM
Germano Cavalcante (mano-wii) claimed this task.
Germano Cavalcante (mano-wii) added a commit: rB0f521ca4d962: Fix T72071: Crash on snap to edge.
Sergey Sharybin (sergey) added a commit: rB4a440ecb99d7: Fix T72071: Crash on snap to edge.Dec 3 2019, 2:31 PM