https://github.com/python/cpython/commit/d524802e9dd624f569948c4c0b6adbe000edcffe commit: d524802e9dd624f569948c4c0b6adbe000edcffe branch: 3.13 author: Miss Islington (bot) <[email protected]> committer: zooba <[email protected]> date: 2024-05-10T10:01:00Z summary:
Fix some missing null checks. (GH-118721) (cherry picked from commit 7e6fcab20003b07621dc02ea78d6ea2fda500371) Co-authored-by: Steve Dower <[email protected]> files: M Objects/typeobject.c M PC/launcher2.c diff --git a/Objects/typeobject.c b/Objects/typeobject.c index 4b144fab5de8f1..b7c3fcf47f23fc 100644 --- a/Objects/typeobject.c +++ b/Objects/typeobject.c @@ -6036,15 +6036,19 @@ object_new(PyTypeObject *type, PyObject *args, PyObject *kwds) return NULL; } comma_w_quotes_sep = PyUnicode_FromString("', '"); + if (!comma_w_quotes_sep) { + Py_DECREF(sorted_methods); + return NULL; + } joined = PyUnicode_Join(comma_w_quotes_sep, sorted_methods); - method_count = PyObject_Length(sorted_methods); - Py_DECREF(sorted_methods); + Py_DECREF(comma_w_quotes_sep); if (joined == NULL) { - Py_DECREF(comma_w_quotes_sep); + Py_DECREF(sorted_methods); return NULL; } + method_count = PyObject_Length(sorted_methods); + Py_DECREF(sorted_methods); if (method_count == -1) { - Py_DECREF(comma_w_quotes_sep); Py_DECREF(joined); return NULL; } @@ -6056,7 +6060,6 @@ object_new(PyTypeObject *type, PyObject *args, PyObject *kwds) method_count > 1 ? "s" : "", joined); Py_DECREF(joined); - Py_DECREF(comma_w_quotes_sep); return NULL; } PyObject *obj = type->tp_alloc(type, 0); diff --git a/PC/launcher2.c b/PC/launcher2.c index 139aa61bbe5cc2..98231613efb26f 100644 --- a/PC/launcher2.c +++ b/PC/launcher2.c @@ -2707,6 +2707,11 @@ process(int argc, wchar_t ** argv) DWORD len = GetEnvironmentVariableW(L"PYLAUNCHER_LIMIT_TO_COMPANY", NULL, 0); if (len > 1) { wchar_t *limitToCompany = allocSearchInfoBuffer(&search, len); + if (!limitToCompany) { + exitCode = RC_NO_MEMORY; + winerror(0, L"Failed to allocate internal buffer"); + goto abort; + } search.limitToCompany = limitToCompany; if (0 == GetEnvironmentVariableW(L"PYLAUNCHER_LIMIT_TO_COMPANY", limitToCompany, len)) { exitCode = RC_INTERNAL_ERROR; _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3/lists/python-checkins.python.org/ Member address: [email protected]
