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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) claimed this task.
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.