GeezerVison is showing github.com — [3.15] gh-157335: Fix out-of-bounds write in mmap.mmap.__setitem__ (GH-157438) by miss-islington · Pull Request #158026 · python/cpython
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miss-islington
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Sep 23, 2026
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edited by bedevere-app
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Fix out-of-bounds write in mmap.mmap.setitem() that could occur
when converting the index or the assigned value (via index()
for a single item, or via the buffer protocol for a slice) resized or closed
the mmap object during the assignment.
(cherry picked from commit 09bf4c5)
Co-authored-by: Joseph Kerry [email protected]
Co-authored-by: Victor Stinner [email protected]
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…thonGH-157438)
Fix out-of-bounds write in mmap.mmap.__setitem__() that could occur
when converting the index or the assigned value (via __index__()
for a single item, or via the buffer protocol for a slice) resized or closed
the mmap object during the assignment.
(cherry picked from commit 09bf4c5)
Co-authored-by: Joseph Kerry <[email protected]>
Co-authored-by: Victor Stinner <[email protected]>
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