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[3.13] gh-140306: Fix memory leaks in cross-interpreter data handling (GH-140307) (GH-140357)

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(cherry picked from commit f9323213c9)

Co-authored-by: Shamil <ashm.tech@proton.me>
This commit is contained in:
Serhiy Storchaka 2025-10-20 13:13:15 +03:00 • committed by GitHub
parent e5ebcabc6b
commit d7473f7a47
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4 changed files with 6 additions and 4 deletions
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2
Misc/NEWS.d/next/Core and Builtins/2025-10-18-21-29-45.gh-issue-140306.xS5CcS.rst Normal file
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@ -0,0 +1,2 @@
Fix memory leaks in cross-interpreter channel operations and shared
namespace handling.

2
Modules/_interpchannelsmodule.c
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@ -562,7 +562,7 @@ _channelitem_clear_data(_channelitem *item, int removed)
{ {
if (item->data != NULL) { if (item->data != NULL) {
// It was allocated in channel_send(). // It was allocated in channel_send().
(void)_release_xid_data(item->data, XID_IGNORE_EXC & XID_FREE); (void)_release_xid_data(item->data, XID_IGNORE_EXC | XID_FREE);
item->data = NULL; item->data = NULL;
} }

2
Modules/_interpqueuesmodule.c
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@ -435,7 +435,7 @@ _queueitem_clear_data(_queueitem *item)
return; return;
} }
// It was allocated in queue_put(). // It was allocated in queue_put().
(void)_release_xid_data(item->data, XID_IGNORE_EXC & XID_FREE); (void)_release_xid_data(item->data, XID_IGNORE_EXC | XID_FREE);
item->data = NULL; item->data = NULL;
} }

4
Python/crossinterp.c
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@ -455,8 +455,8 @@ _release_xid_data(_PyCrossInterpreterData *data, int rawfree)
{ {
PyObject *exc = PyErr_GetRaisedException(); PyObject *exc = PyErr_GetRaisedException();
int res = rawfree int res = rawfree
? _PyCrossInterpreterData_Release(data) ? _PyCrossInterpreterData_ReleaseAndRawFree(data)
: _PyCrossInterpreterData_ReleaseAndRawFree(data); : _PyCrossInterpreterData_Release(data);
if (res < 0) { if (res < 0) {
/* The owning interpreter is already destroyed. */ /* The owning interpreter is already destroyed. */
_PyCrossInterpreterData_Clear(NULL, data); _PyCrossInterpreterData_Clear(NULL, data);