https://github.com/python/cpython/commit/201e18312c01178b34b77a989c7bee7db5f469fe
commit: 201e18312c01178b34b77a989c7bee7db5f469fe
branch: main
author: Pieter Eendebak <[email protected]>
committer: vstinner <[email protected]>
date: 2026-03-09T13:50:45+01:00
summary:
gh-145376: Fix reference leaks in _lprof.c (#145539)
files:
M Modules/_lsprof.c
diff --git a/Modules/_lsprof.c b/Modules/_lsprof.c
index 025a3fac46e59b..a2d1aefb1611b3 100644
--- a/Modules/_lsprof.c
+++ b/Modules/_lsprof.c
@@ -702,6 +702,7 @@ PyObject* get_cfunc_from_callable(PyObject* callable,
PyObject* self_arg, PyObje
if (PyCFunction_Check(meth)) {
return (PyObject*)((PyCFunctionObject *)meth);
}
+ Py_DECREF(meth);
}
return NULL;
}
@@ -961,6 +962,8 @@ profiler_traverse(PyObject *op, visitproc visit, void *arg)
ProfilerObject *self = ProfilerObject_CAST(op);
Py_VISIT(Py_TYPE(op));
Py_VISIT(self->externalTimer);
+ Py_VISIT(self->missing);
+
return 0;
}
@@ -979,6 +982,7 @@ profiler_dealloc(PyObject *op)
flush_unmatched(self);
clearEntries(self);
+ Py_XDECREF(self->missing);
Py_XDECREF(self->externalTimer);
PyTypeObject *tp = Py_TYPE(self);
tp->tp_free(self);
@@ -1017,7 +1021,7 @@ profiler_init_impl(ProfilerObject *self, PyObject *timer,
double timeunit,
if (!monitoring) {
return -1;
}
- self->missing = PyObject_GetAttrString(monitoring, "MISSING");
+ Py_XSETREF(self->missing, PyObject_GetAttrString(monitoring, "MISSING"));
if (!self->missing) {
Py_DECREF(monitoring);
return -1;
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