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Title: initconfig.c: `SET_ITEM` macro leaks dict on expression failure · Issue #146244 · python/cpython · GitHub

Open Graph Title: initconfig.c: `SET_ITEM` macro leaks dict on expression failure · Issue #146244 · python/cpython

X Title: initconfig.c: `SET_ITEM` macro leaks dict on expression failure · Issue #146244 · python/cpython

Description: Bug report Bug description: Parent: #146102 SET_ITEM macro at line 510-521: when the expression (e.g., PyLong_FromLong) returns NULL, return NULL at line 514 leaks the dict allocated at line 505. The PyDict_SetItemString failure path cor...

Open Graph Description: Bug report Bug description: Parent: #146102 SET_ITEM macro at line 510-521: when the expression (e.g., PyLong_FromLong) returns NULL, return NULL at line 514 leaks the dict allocated at line 505. T...

X Description: Bug report Bug description: Parent: #146102 SET_ITEM macro at line 510-521: when the expression (e.g., PyLong_FromLong) returns NULL, return NULL at line 514 leaks the dict allocated at line 505. T...

Opengraph URL: https://github.com/python/cpython/issues/146244

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og:image:altBug report Bug description: Parent: #146102 SET_ITEM macro at line 510-521: when the expression (e.g., PyLong_FromLong) returns NULL, return NULL at line 514 leaks the dict allocated at line 505. T...
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initconfig.c: SET_ITEM macro leaks dict on expression failurehttps://github.com/python/cpython/issues/146244#top
interpreter-core(Objects, Python, Grammar, and Parser dirs)https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22interpreter-core%22
type-bugAn unexpected behavior, bug, or errorhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22type-bug%22
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on Mar 21, 2026https://github.com/python/cpython/issues/146244#issue-4111801892
#146102https://github.com/python/cpython/issues/146102
gh-146244: Fix initconfig.c SET_ITEM macro leaks dict on expression failure #146246https://github.com/python/cpython/pull/146246
[3.14] gh-146244: Fix initconfig.c SET_ITEM macro leaks dict on expression failure (GH-146246) #146432https://github.com/python/cpython/pull/146432
[3.13] gh-146244: Fix initconfig.c SET_ITEM macro leaks dict on expression failure (GH-146246) #146433https://github.com/python/cpython/pull/146433
interpreter-core(Objects, Python, Grammar, and Parser dirs)https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22interpreter-core%22
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