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Title: [3.12] gh-106092: Fix use-after-free crash in frame_dealloc (GH-106875) by miss-islington · Pull Request #107532 · python/cpython · GitHub

Open Graph Title: [3.12] gh-106092: Fix use-after-free crash in frame_dealloc (GH-106875) by miss-islington · Pull Request #107532 · python/cpython

X Title: [3.12] gh-106092: Fix use-after-free crash in frame_dealloc (GH-106875) by miss-islington · Pull Request #107532 · python/cpython

Description: It was possible for the trashcan to delay the deallocation of a PyFrameObject until after its corresponding _PyInterpreterFrame has already been freed. So frame_dealloc needs to avoid dereferencin...

Open Graph Description: It was possible for the trashcan to delay the deallocation of a PyFrameObject until after its corresponding _PyInterpreterFrame has already been freed. So frame_dealloc needs to avoid dereferencin...

X Description: It was possible for the trashcan to delay the deallocation of a PyFrameObject until after its corresponding _PyInterpreterFrame has already been freed. So frame_dealloc needs to avoid dereferencin...

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andersk@mit.edu
andersk@mit.edu

Opengraph URL: https://github.com/python/cpython/pull/107532

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[3.12] gh-106092: Fix use-after-free crash in frame_dealloc (GH-106875) https://github.com/python/cpython/pull/107532#top
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Segmentation fault in 3.11.4, 3.12.0b3; _PyInterpreterFrame ownership issue #106092https://github.com/python/cpython/issues/106092
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Segmentation fault in 3.11.4, 3.12.0b3; _PyInterpreterFrame ownership issue #106092 https://github.com/python/cpython/issues/106092
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