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| author | Brandt Bucher <brandtbucher@microsoft.com> | 2022-11-10 11:50:34 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-11-10 11:50:34 (GMT) |
| commit | 9d692841691590c25e6cf5b2250a594d3bf54825 (patch) | |
| tree | 82a0948fc0096f8d2e0b9aaa83a86057212582c8 /Python/specialize.c | |
| parent | 26726c76494d85c7b565b764c732dd4473458409 (diff) | |
| download | cpython-9d692841691590c25e6cf5b2250a594d3bf54825.zip cpython-9d692841691590c25e6cf5b2250a594d3bf54825.tar.gz cpython-9d692841691590c25e6cf5b2250a594d3bf54825.tar.bz2 | |
GH-99257: Check the owner's type when specializing slots (GH-99258)
Diffstat (limited to 'Python/specialize.c')
| -rw-r--r-- | Python/specialize.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Python/specialize.c b/Python/specialize.c index 61d7a5d..f845967 100644 --- a/Python/specialize.c +++ b/Python/specialize.c @@ -740,6 +740,10 @@ _Py_Specialize_LoadAttr(PyObject *owner, _Py_CODEUNIT *instr, PyObject *name) PyMemberDescrObject *member = (PyMemberDescrObject *)descr; struct PyMemberDef *dmem = member->d_member; Py_ssize_t offset = dmem->offset; + if (!PyObject_TypeCheck(owner, member->d_common.d_type)) { + SPECIALIZATION_FAIL(LOAD_ATTR, SPEC_FAIL_EXPECTED_ERROR); + goto fail; + } if (dmem->flags & PY_AUDIT_READ) { SPECIALIZATION_FAIL(LOAD_ATTR, SPEC_FAIL_ATTR_AUDITED_SLOT); goto fail; @@ -849,6 +853,10 @@ _Py_Specialize_StoreAttr(PyObject *owner, _Py_CODEUNIT *instr, PyObject *name) PyMemberDescrObject *member = (PyMemberDescrObject *)descr; struct PyMemberDef *dmem = member->d_member; Py_ssize_t offset = dmem->offset; + if (!PyObject_TypeCheck(owner, member->d_common.d_type)) { + SPECIALIZATION_FAIL(STORE_ATTR, SPEC_FAIL_EXPECTED_ERROR); + goto fail; + } if (dmem->flags & READONLY) { SPECIALIZATION_FAIL(STORE_ATTR, SPEC_FAIL_ATTR_READ_ONLY); goto fail; |