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Crash when inspecting frame of generator #94262

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markshannon
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3.11only security fixesrelease-blockertype-crashA hard crash of the interpreter, possibly with a core dump
@kumaraditya303

Description

@kumaraditya303

Crash report

This was discovered in anasyncio program when interrupted with CTRL - C.
Minimal Reproducer:

importgcimportinspectgc.set_threshold(1,0,0)f= []defcb(*args):f.append(inspect.stack())gc.callbacks.append(cb)defgen():yield1g=gen()g.__next__()

Error messages

python: Python/ceval.c:5436: _PyEval_EvalFrameDefault: Assertion `frame->frame_obj == NULL' failed.Aborted (core dumped)

Your environment

  • CPython versions tested on: Python 3.12.0a051fd4de, Python 3.11.0b3+41e4b42
  • Operating system and architecture: Linux 5.4.0-1074-azure

cc@markshannon@pablogsal

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3.11only security fixesrelease-blockertype-crashA hard crash of the interpreter, possibly with a core dump

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