Page MenuHome

blender 2.8 - hard crash - editing shape keys weirdness with instances
Open, Needs TriagePublic

Description

System Information
Operating system: Linux 17.10
Graphics card:GTX 1080

Blender Version
Broken: rBf0432e37ab06831167cf84c589fad7d5a28d54ef

Short description of error
There is shape key weirdness with editing shape keys, with the object being instanced

Exact steps for others to reproduce the error

These keys assume the blender 2.79 keymap.

Weirdness 1

  1. Open attached blend file
  2. press tab really fast, and you should get a hard crash.

Weirdness 2

  1. Open attached blend file
  2. press tab slowly, and sometimes Cube.002 disappears from the viewport, or looks massively deformed but nothign has changed

Weirdness 3

  1. Open attached blend file
  2. press g and drag a vertice really far away fast and get a hardcrash / lockup

Sorry, key forgetting to upload the test file!

Details

Type
Bug

Event Timeline

Carlo Andreacchio (candreacchio) renamed this task from blender 2.8 - editing shape keys weirdness with instances to blender 2.8 - hard crash - editing shape keys weirdness with instances.Mon, Dec 3, 10:38 PM

@Sergey Sharybin (sergey) this file is much faster to crash reliably here (see weirdness 1 for instructions). It seems the same error as T58893.
Here at some point I got data llocated by T.17, freed by T.12, and with a read error by T.16,

SUMMARY: AddressSanitizer: heap-use-after-free //source/blender/blenkernel/intern/mesh_runtime.c:184 in BKE_mesh_runtime_clear_edit_data
Full ASAN crash: P863