From 9d293ea8268327fb23c024f9a25bc41fb5166814 Mon Sep 17 00:00:00 2001 From: Shamil Date: Mon, 20 Oct 2025 12:29:23 +0300 Subject: [PATCH] gh-140301: Fix memory leak in subinterpreter `PyConfig` cleanup (GH-140303) (cherry picked from commit a615fb49c948902a982c3256899507abcc9f9bc8) Co-authored-by: Shamil Co-authored-by: Kumar Aditya --- .../2025-10-18-18-08-36.gh-issue-140301.m-2HxC.rst | 1 + Python/pystate.c | 2 ++ 2 files changed, 3 insertions(+) create mode 100644 Misc/NEWS.d/next/Core_and_Builtins/2025-10-18-18-08-36.gh-issue-140301.m-2HxC.rst diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2025-10-18-18-08-36.gh-issue-140301.m-2HxC.rst b/Misc/NEWS.d/next/Core_and_Builtins/2025-10-18-18-08-36.gh-issue-140301.m-2HxC.rst new file mode 100644 index 00000000000000..8b1c81c04ece92 --- /dev/null +++ b/Misc/NEWS.d/next/Core_and_Builtins/2025-10-18-18-08-36.gh-issue-140301.m-2HxC.rst @@ -0,0 +1 @@ +Fix memory leak of ``PyConfig`` in subinterpreters. diff --git a/Python/pystate.c b/Python/pystate.c index 7f365ea50cab7d..06f997fb5ad5be 100644 --- a/Python/pystate.c +++ b/Python/pystate.c @@ -1049,6 +1049,8 @@ PyInterpreterState_Delete(PyInterpreterState *interp) _PyObject_FiniState(interp); + PyConfig_Clear(&interp->config); + free_interpreter(interp); }