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Title: gh-99110: Initialize frame->previous in init_frame to fix segmentation fault by byllyfish · Pull Request #100182 · python/cpython · GitHub

Open Graph Title: gh-99110: Initialize frame->previous in init_frame to fix segmentation fault by byllyfish · Pull Request #100182 · python/cpython

X Title: gh-99110: Initialize frame->previous in init_frame to fix segmentation fault by byllyfish · Pull Request #100182 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: This PR fixes a segmentation fault caused by an uninitialized variable. One way to trigger the seg. fault is to use the PyFrame_New() C API. I've also run across this segmentation fault by call...

X Description: This PR fixes a segmentation fault caused by an uninitialized variable. One way to trigger the seg. fault is to use the PyFrame_New() C API. I've also run across this segmentation fault by ...

Opengraph URL: https://github.com/python/cpython/pull/100182

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Initialize frame->previous in _PyFrame_InitializeSpecials.https://github.com/python/cpython/pull/100182/commits/b2e72562707b5724917f59ffae6a5dd3931a086d
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Move initialization of frame->previous to init_frame.https://github.com/python/cpython/pull/100182/commits/d6797833bcb0fb6195de0fb23b4c2643122af69f
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Add frame_new function to _testcapimodule.c.https://github.com/python/cpython/pull/100182/commits/4e70dc50580212e74aac4c12dd3255933fe85224
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