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gh-111178: fix UBSan failures in Modules/_randommodule.c #129791

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

gh-111178: fix UBSan failures in Modules/_randommodule.c #129791

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3beb26b
fix UBSan failures for `RandomObject`
picnixz Jan 25, 2025
141c72a
suppress unused return values
picnixz Jan 25, 2025
eadbd4f
Merge remote-tracking branch 'upstream/main' into fix/ubsan/random-11…
picnixz Feb 7, 2025
07f950e
Do Do not use `_` + capital letter in new code as it is also UB.
picnixz Feb 8, 2025
c7371c8
Merge branch 'main' into fix/ubsan/random-111178
encukou Feb 21, 2025
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Do Do not use _ + capital letter in new code as it is also UB.
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@picnixz
picnixz committed Feb 8, 2025
commit 07f950e11495e8a7ceef19907615b8f5bb12d845
4 changes: 2 additions & 2 deletions Modules/_randommodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -117,7 +117,7 @@ typedef struct {
uint32_t state[N];
} RandomObject;

#define _RandomObject_CAST(op) ((RandomObject *)(op))
#define RandomObject_CAST(op) ((RandomObject *)(op))

#include "clinic/_randommodule.c.h"

Expand Down Expand Up @@ -571,7 +571,7 @@ random_init(PyObject *self, PyObject *args, PyObject *kwds)
if (PyTuple_GET_SIZE(args) == 1)
arg = PyTuple_GET_ITEM(args, 0);

return random_seed(_RandomObject_CAST(self), arg);
return random_seed(RandomObject_CAST(self), arg);
}


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