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gh-111178: fix UBSan failures in Modules/_queuemodule.c #129790

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Merged
encukou merged 5 commits into from
Feb 21, 2025
Merged

gh-111178: fix UBSan failures in Modules/_queuemodule.c #129790

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1286c38
fix UBSan failures for `simplequeueobject`
picnixz Jan 25, 2025
04bcc57
suppress unused return values
picnixz Jan 25, 2025
c1fd8b6
Merge remote-tracking branch 'upstream/main' into fix/ubsan/queue-111178
picnixz Feb 7, 2025
45a1c87
Do not add an underscore to the macro if none is needed.
picnixz Feb 8, 2025
c0c5f0b
Merge branch 'main' into fix/ubsan/queue-111178
encukou Feb 21, 2025
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Do not add an underscore to the macro if none is needed.
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@picnixz
picnixz committed Feb 8, 2025
commit 45a1c8787fc7a6d0d876b9ab706b2333582333af
8 changes: 4 additions & 4 deletions Modules/_queuemodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -197,7 +197,7 @@ typedef struct {
PyObject *weakreflist;
} simplequeueobject;

#define _simplequeueobject_CAST(op) ((simplequeueobject *)(op))
#define simplequeueobject_CAST(op) ((simplequeueobject *)(op))

/*[clinic input]
module _queue
Expand All @@ -208,15 +208,15 @@ class _queue.SimpleQueue "simplequeueobject *" "simplequeue_get_state_by_type(ty
static int
simplequeue_clear(PyObject *op)
{
simplequeueobject *self = _simplequeueobject_CAST(op);
simplequeueobject *self = simplequeueobject_CAST(op);
RingBuf_Fini(&self->buf);
return 0;
}

static void
simplequeue_dealloc(PyObject *op)
{
simplequeueobject *self = _simplequeueobject_CAST(op);
simplequeueobject *self = simplequeueobject_CAST(op);
PyTypeObject *tp = Py_TYPE(self);

PyObject_GC_UnTrack(self);
Expand All @@ -231,7 +231,7 @@ simplequeue_dealloc(PyObject *op)
static int
simplequeue_traverse(PyObject *op, visitproc visit, void *arg)
{
simplequeueobject *self = _simplequeueobject_CAST(op);
simplequeueobject *self = simplequeueobject_CAST(op);
RingBuf *buf = &self->buf;
for (Py_ssize_t i = 0, num_items = buf->num_items; i < num_items; i++) {
Py_VISIT(RingBuf_At(buf, i));
Expand Down