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Title: gh-106168: Check allocated instead of size index bounds in PyList_SET_ITEM() by scoder · Pull Request #111480 · python/cpython · GitHub

Open Graph Title: gh-106168: Check allocated instead of size index bounds in PyList_SET_ITEM() by scoder · Pull Request #111480 · python/cpython

X Title: gh-106168: Check allocated instead of size index bounds in PyList_SET_ITEM() by scoder · Pull Request #111480 · python/cpython

Description: Check the index bound assertions in PyList_SET_ITEM() against [0:allocated] instead of [0:size] to re-allow valid use cases that assign within the allocated area. First increasing the size before setting a new value seems less safe and clean than allowing access to the allocated area and adjusting the size on successful updates. Issue: gh-106168

Open Graph Description: Check the index bound assertions in PyList_SET_ITEM() against [0:allocated] instead of [0:size] to re-allow valid use cases that assign within the allocated area. First increasing the size before s...

X Description: Check the index bound assertions in PyList_SET_ITEM() against [0:allocated] instead of [0:size] to re-allow valid use cases that assign within the allocated area. First increasing the size before s...

Opengraph URL: https://github.com/python/cpython/pull/111480

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77681ba gh-106168: Check the index bound assertions in PyList_SET_ITEM() agai… scoder Oct 30, 2023 https://github.com/python/cpython/pull/111480/commits/77681badabb0f1a94a7d745aba376c534b2826d2
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