[New-bugs-announce] [issue41758] turtledemo.colormixer crashes with a stack overflow

Tushar Sadhwani report at bugs.python.org
Fri Sep 11 04:29:13 EDT 2020 

New submission from Tushar Sadhwani <tushar.sadhwani000 at gmail.com>:

turtledemo.colormixer crashes after (what i'm assuming) 1000 changes to the state of a color bar.


# Error:

PS C:\Users\tusha> python -m turtledemo.colormixer
Fatal Python error: Cannot recover from stack overflow.
Python runtime state: initialized

Current thread 0x00000f74 (most recent call first):
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 2761 in coords
  File "<string>", line 1 in coords
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 755 in _pointlist
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 3158 in _goto
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 1826 in sety
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 29 in shift
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 655 in eventfun
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1883 in __call__
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1305 in update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 562 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 2662 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 3195 in _goto
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 1826 in sety
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 29 in shift
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 655 in eventfun
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1883 in __call__
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1305 in update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 562 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 583 in _bgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 1240 in bgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 35 in setbgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 32 in shift
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 655 in eventfun
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1883 in __call__
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1305 in update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 562 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 2662 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 3195 in _goto
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 1826 in sety
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 29 in shift
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 655 in eventfun
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1883 in __call__
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1305 in update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 562 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 583 in _bgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 1240 in bgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 35 in setbgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 32 in shift
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 655 in eventfun
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1883 in __call__
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1305 in update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 562 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 583 in _bgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 1240 in bgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 35 in setbgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 32 in shift
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 655 in eventfun
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1883 in __call__
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1305 in update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 562 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 2662 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 3195 in _goto
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 1826 in sety
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 29 in shift
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 655 in eventfun
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1883 in __call__
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1305 in update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 562 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 583 in _bgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 1240 in bgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 35 in setbgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 32 in shift
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 655 in eventfun
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1883 in __call__
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1305 in update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 562 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 2662 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 3195 in _goto
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 1826 in sety
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 29 in shift
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 655 in eventfun
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1883 in __call__
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1305 in update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 562 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 583 in _bgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 1240 in bgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 35 in setbgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 32 in shift
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 655 in eventfun
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1883 in __call__
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1305 in update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 562 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 2662 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 2459 in pen
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 2291 in fillcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 31 in shift
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 655 in eventfun
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1883 in __call__
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1305 in update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 562 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 2662 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 3195 in _goto
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 1826 in sety
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtledemo\colormixer.py", line 29 in shift
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 655 in eventfun
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1883 in __call__
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\tkinter\__init__.py", line 1305 in update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 562 in _update
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 583 in _bgcolor
  File "C:\Users\tusha\.pyenv\pyenv-win\versions\3.8.1-amd64\lib\turtle.py", line 1240 in bgcolor
  ...

----------
components: Demos and Tools
messages: 376704
nosy: tusharsadhwani
priority: normal
severity: normal
status: open
title: turtledemo.colormixer crashes with a stack overflow
type: crash
versions: Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue41758>
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