[3.13] gh-123083: Fix a potential use-after-free in ``STORE_ATTR_WITH… #123235
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…R_WITH_HINT`` (pythongh-123092) (cherry picked from commit 297f2e0) Co-authored-by: Donghee Na <[email protected]>
This was referenced Aug 22, 2024
corona10
commented
Aug 22, 2024
| /* Ensure dict is GC tracked if it needs to be */ | ||
| if (!_PyObject_GC_IS_TRACKED(dict) && _PyObject_GC_MAY_BE_TRACKED(value)) { | ||
| _PyObject_GC_TRACK(dict); | ||
| } | ||
| /* PEP 509 */ | ||
| dict->ma_version_tag = new_version; | ||
| dict->ma_version_tag = new_version; // PEP 509 |
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@colesbury
Since the structure is a little different from the main branch, I just reordered several codes to match as similar as possible.
colesbury
approved these changes
Aug 22, 2024
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…_HINT`` (gh-123092)
(cherry picked from commit 297f2e0)
STORE_ATTR_WITH_HINThas potential use-after-free #123083