Mirror
/
cpython
mirror of https://github.com/python/cpython
4
1
Fork 0
Code Issues Releases Wiki Activity

GH-92955: fix memory leak in code object lines and positions iterators (gh-92956)

This commit is contained in:
Kumar Aditya 2022-05-19 19:25:22 +05:30 committed by GitHub
parent 137fd3d88a
commit c5f5f978ca
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Misc/NEWS.d/next/Core and Builtins/2022-05-19-13-25-50.gh-issue-92955.kmNV33.rst Normal file
View File

@ -0,0 +1 @@
Fix memory leak in code object's lines and positions iterators as they were not finalized at exit. Patch by Kumar Aditya.

8
Objects/codeobject.c
View File

@ -1096,7 +1096,7 @@ error:
return result;
}
static PyTypeObject LineIterator = {
PyTypeObject _PyLineIterator = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"line_iterator", /* tp_name */
sizeof(lineiterator), /* tp_basicsize */
@ -1142,7 +1142,7 @@ static PyTypeObject LineIterator = {
static lineiterator *
new_linesiterator(PyCodeObject *code)
{
lineiterator *li = (lineiterator *)PyType_GenericAlloc(&LineIterator, 0);
lineiterator *li = (lineiterator *)PyType_GenericAlloc(&_PyLineIterator, 0);
if (li == NULL) {
return NULL;
}
@ -1196,7 +1196,7 @@ positionsiter_next(positionsiterator* pi)
_source_offset_converter, &pi->pi_endcolumn);
}
static PyTypeObject PositionsIterator = {
PyTypeObject _PyPositionsIterator = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"positions_iterator", /* tp_name */
sizeof(positionsiterator), /* tp_basicsize */
@ -1242,7 +1242,7 @@ static PyTypeObject PositionsIterator = {
static PyObject*
code_positionsiterator(PyCodeObject* code, PyObject* Py_UNUSED(args))
{
positionsiterator* pi = (positionsiterator*)PyType_GenericAlloc(&PositionsIterator, 0);
positionsiterator* pi = (positionsiterator*)PyType_GenericAlloc(&_PyPositionsIterator, 0);
if (pi == NULL) {
return NULL;
}

4
Objects/object.c
View File

@ -1846,6 +1846,8 @@ extern PyTypeObject PyHKEY_Type;
#endif
extern PyTypeObject _Py_GenericAliasIterType;
extern PyTypeObject _PyMemoryIter_Type;
extern PyTypeObject _PyLineIterator;
extern PyTypeObject _PyPositionsIterator;
static PyTypeObject* static_types[] = {
// The two most important base types: must be initialized first and
@ -1944,12 +1946,14 @@ static PyTypeObject* static_types[] = {
&_PyHamt_CollisionNode_Type,
&_PyHamt_Type,
&_PyInterpreterID_Type,
&_PyLineIterator,
&_PyManagedBuffer_Type,
&_PyMemoryIter_Type,
&_PyMethodWrapper_Type,
&_PyNamespace_Type,
&_PyNone_Type,
&_PyNotImplemented_Type,
&_PyPositionsIterator,
&_PyUnicodeASCIIIter_Type,
&_PyUnion_Type,
&_PyWeakref_CallableProxyType,