8000 gh-111178: fix UBSan failures in `Modules/_dbmmodule.c` by picnixz · Pull Request #129775 · python/cpython · GitHub
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gh-111178: fix UBSan failures in Modules/_dbm 8000 module.c #129775

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Merged
merged 5 commits into from
Feb 10, 2025
Merged

gh-111178: fix UBSan failures in Modules/_dbmmodule.c #129775

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77e8041
fix UBSan failures for `dbmobject`
picnixz Jan 25, 2025
354f5ad
suppress unused return values
picnixz Jan 25, 2025
8f1a6b0
Merge remote-tracking branch 'upstream/main' into fix/ubsan/dbmmodule…
picnixz Feb 7, 2025
919bb26
use 'dummy' for NOARGS method
picnixz Feb 7, 2025
2bc2380
Do not add an underscore to the prefix if none is needed.
picnixz Feb 8, 2025
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Do not add an underscore to the prefix if none is needed.
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@picnixz
picnixz committed Feb 8, 2025
commit 2bc23804f06010e5a284a19c3bb73ba0403dd779
16 changes: 8 additions & 8 deletions Modules/_dbmmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,7 @@ typedef struct {
DBM *di_dbm;
} dbmobject;

#define _dbmobject_CAST(op) ((dbmobject *)(op))
#define dbmobject_CAST(op) ((dbmobject *)(op))

#include "clinic/_dbmmodule.c.h"

Expand Down Expand Up @@ -105,7 +105,7 @@ dbm_traverse(PyObject *dp, visitproc visit, void *arg)
static void
dbm_dealloc(PyObject *self)
{
dbmobject *dp = _dbmobject_CAST(self);
dbmobject *dp = dbmobject_CAST(self);
PyObject_GC_UnTrack(dp);
if (dp->di_dbm) {
dbm_close(dp->di_dbm);
Expand All @@ -118,7 +118,7 @@ dbm_dealloc(PyObject *self)
static Py_ssize_t
dbm_length(PyObject *self)
{
dbmobject *dp = _dbmobject_CAST(self);
dbmobject *dp = dbmobject_CAST(self);
_dbm_state *state = PyType_GetModuleState(Py_TYPE(dp));
assert(state != NULL);
if (dp->di_dbm == NULL) {
Expand All @@ -141,7 +141,7 @@ dbm_length(PyObject *self)
static int
dbm_bool(PyObject *self)
{
dbmobject *dp = _dbmobject_CAST(self);
dbmobject *dp = dbmobject_CAST(self);
_dbm_state *state = PyType_GetModuleState(Py_TYPE(dp));
assert(state != NULL);

Expand Down Expand Up @@ -175,7 +175,7 @@ dbm_subscript(PyObject *self, PyObject *key)
{
datum drec, krec;
Py_ssize_t tmp_size;
dbmobject *dp = _dbmobject_CAST(self);
dbmobject *dp = dbmobject_CAST(self);
_dbm_state *state = PyType_GetModuleState(Py_TYPE(dp));
assert(state != NULL);
if (!PyArg_Parse(key, "s#", &krec.dptr, &tmp_size)) {
Expand All @@ -202,7 +202,7 @@ dbm_ass_sub(PyObject *self, PyObject *v, PyObject *w)
{
datum krec, drec;
Py_ssize_t tmp_size;
dbmobject *dp = _dbmobject_CAST(self);
dbmobject *dp = dbmobject_CAST(self);

if ( !PyArg_Parse(v, "s#", &krec.dptr, &tmp_size) ) {
PyErr_SetString(PyExc_TypeError,
Expand Down Expand Up @@ -312,7 +312,7 @@ _dbm_dbm_keys_impl(dbmobject *self, PyTypeObject *cls)
static int
dbm_contains(PyObject *self, PyObject *arg)
{
dbmobject *dp = _dbmobject_CAST(self);
dbmobject *dp = dbmobject_CAST(self);
datum key, val;
Py_ssize_t size;

Expand Down Expand Up @@ -467,7 +467,7 @@ dbm__enter__(PyObject *self, PyObject *Py_UNUSED(dummy))
static PyObject *
dbm__exit__(PyObject *self, PyObject *Py_UNUSED(args))
{
dbmobject *dp = _dbmobject_CAST(self);
dbmobject *dp = dbmobject_CAST(self);
return _dbm_dbm_close_impl(dp);
}

Expand Down
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