From: Alper <alperyoney@fb.com>
Date: Wed, 22 Oct 2025 15:16:28 +0000 (-0700)
Subject: gh-116738: Add critical section to dbm/gdbm context manager (gh-140391)
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d51be28876ac0715b6fc674ef41618d214021348;p=thirdparty%2FPython%2Fcpython.git

gh-116738: Add critical section to dbm/gdbm context manager (gh-140391)
---

diff --git a/Modules/_dbmmodule.c b/Modules/_dbmmodule.c
index 06712015418c..f88861fa2442 100644
--- a/Modules/_dbmmodule.c
+++ b/Modules/_dbmmodule.c
@@ -515,8 +515,12 @@ dbm__enter__(PyObject *self, PyObject *Py_UNUSED(dummy))
 static PyObject *
 dbm__exit__(PyObject *self, PyObject *Py_UNUSED(args))
 {
+    PyObject *result;
     dbmobject *dp = dbmobject_CAST(self);
-    return _dbm_dbm_close_impl(dp);
+    Py_BEGIN_CRITICAL_SECTION(self);
+    result = _dbm_dbm_close_impl(dp);
+    Py_END_CRITICAL_SECTION();
+    return result;
 }
 
 static PyMethodDef dbm_methods[] = {
diff --git a/Modules/_gdbmmodule.c b/Modules/_gdbmmodule.c
index a6e0662ae743..72f568ceb069 100644
--- a/Modules/_gdbmmodule.c
+++ b/Modules/_gdbmmodule.c
@@ -690,7 +690,11 @@ gdbm__enter__(PyObject *self, PyObject *args)
 static PyObject *
 gdbm__exit__(PyObject *self, PyObject *args)
 {
-    return _gdbm_gdbm_close_impl((gdbmobject *)self);
+    PyObject *result;
+    Py_BEGIN_CRITICAL_SECTION(self);
+    result = _gdbm_gdbm_close_impl((gdbmobject *)self);
+    Py_END_CRITICAL_SECTION();
+    return result;
 }
 
 static PyMethodDef gdbm_methods[] = {