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gh-131998: Fix NULL dereference when using an unbound method descriptor in a specialized code path (#132000)

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Co-authored-by: sobolevn <mail@sobolevn.me>
Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Mark Shannon <mark@hotpy.org>
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Peter Bierma 2025-04-08 06:31:43 -04:00 • committed by GitHub
parent 3eda146035
commit ac3c439cdf
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10
Python/executor_cases.c.h generated
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@ -5838,6 +5838,10 @@
arguments--;
total_args++;
}
if (total_args == 0) {
UOP_STAT_INC(uopcode, miss);
JUMP_TO_JUMP_TARGET();
}
PyMethodDescrObject *method = (PyMethodDescrObject *)callable_o;
if (!Py_IS_TYPE(method, &PyMethodDescr_Type)) {
UOP_STAT_INC(uopcode, miss);
@ -5850,6 +5854,7 @@
}
PyTypeObject *d_type = method->d_common.d_type;
PyObject *self = PyStackRef_AsPyObjectBorrow(arguments[0]);
assert(self != NULL);
if (!Py_IS_TYPE(self, d_type)) {
UOP_STAT_INC(uopcode, miss);
JUMP_TO_JUMP_TARGET();
@ -5990,6 +5995,10 @@
arguments--;
total_args++;
}
if (total_args == 0) {
UOP_STAT_INC(uopcode, miss);
JUMP_TO_JUMP_TARGET();
}
PyMethodDescrObject *method = (PyMethodDescrObject *)callable_o;
if (!Py_IS_TYPE(method, &PyMethodDescr_Type)) {
UOP_STAT_INC(uopcode, miss);
@ -6001,6 +6010,7 @@
JUMP_TO_JUMP_TARGET();
}
PyObject *self = PyStackRef_AsPyObjectBorrow(arguments[0]);
assert(self != NULL);
if (!Py_IS_TYPE(self, method->d_common.d_type)) {
UOP_STAT_INC(uopcode, miss);
JUMP_TO_JUMP_TARGET();