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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: 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 calling asyncio.Task.get_stack() on cython based asyncio Task (in the grpcio module). The fix for #99110 needs to be back-ported to 3.11. Issue: gh-99110

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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