Issue #20191: Fixed a crash in resource.prlimit() when pass a sequence that

doesn't own its elements as limits.

1 files changed, 6 insertions, 12 deletions

diff --git a/Python/errors.c b/Python/errors.c
index fd6c42fd27..35c9e3a727 100644
--- a/Python/errors.c
+++ b/Python/errors.c
@@ -62,7 +62,7 @@ _PyErr_CreateException(PyObject *exception, PyObject *value)
         return PyObject_Call(exception, value, NULL);
     }
     else {
-        return _PyObject_CallArg1(exception, value);
+        return PyObject_CallFunctionObjArgs(exception, value, NULL);
     }
 }
 
@@ -158,10 +158,10 @@ PyErr_SetString(PyObject *exception, const char *string)
 }
 
 
-PyObject *
+PyObject* _Py_HOT_FUNCTION
 PyErr_Occurred(void)
 {
-    PyThreadState *tstate = _PyThreadState_UncheckedGet();
+    PyThreadState *tstate = PyThreadState_GET();
     return tstate == NULL ? NULL : tstate->curexc_type;
 }
 
@@ -582,9 +582,7 @@ PyErr_SetFromErrnoWithFilename(PyObject *exc, const char *filename)
 PyObject *
 PyErr_SetFromErrnoWithUnicodeFilename(PyObject *exc, const Py_UNICODE *filename)
 {
-    PyObject *name = filename ?
-                     PyUnicode_FromUnicode(filename, wcslen(filename)) :
-             NULL;
+    PyObject *name = filename ? PyUnicode_FromWideChar(filename, -1) : NULL;
     PyObject *result = PyErr_SetFromErrnoWithFilenameObjects(exc, name, NULL);
     Py_XDECREF(name);
     return result;
@@ -691,9 +689,7 @@ PyObject *PyErr_SetExcFromWindowsErrWithUnicodeFilename(
     int ierr,
     const Py_UNICODE *filename)
 {
-    PyObject *name = filename ?
-                     PyUnicode_FromUnicode(filename, wcslen(filename)) :
-             NULL;
+    PyObject *name = filename ? PyUnicode_FromWideChar(filename, -1) : NULL;
     PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObjects(exc,
                                                                  ierr,
                                                                  name,
@@ -729,9 +725,7 @@ PyObject *PyErr_SetFromWindowsErrWithUnicodeFilename(
     int ierr,
     const Py_UNICODE *filename)
 {
-    PyObject *name = filename ?
-                     PyUnicode_FromUnicode(filename, wcslen(filename)) :
-             NULL;
+    PyObject *name = filename ? PyUnicode_FromWideChar(filename, -1) : NULL;
     PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObjects(
                                                   PyExc_OSError,
                                                   ierr, name, NULL);