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Zero size bone crashes blender when used as bendy bone handle
Open, Confirmed, MediumPublic


System Information
Win8.1x64, 3x gtx580

Blender Version

Short description of error
When coordinates of a head and tail of a bone used for bendy bone handle are the same blender crashes in pose/object modes.

Exact steps for others to reproduce the error

  • With open file, in the viewport, press Shift+S -> Selection to Cursor
  • Press tab to exit Edit Mode ->Crash



Event Timeline

Joshua Leung (aligorith) triaged this task as Normal priority.
Joshua Leung (aligorith) raised the priority of this task from Normal to Confirmed, Medium.Sep 25 2017, 3:00 AM


This is probably caused by the first bone becoming zero-length, and thus being removed, but the bbone still refers to the newly removed bone.