Check PyLong_AsInt errors in legacy tracing

Author: aisk

Python/legacy_tracing.c

@@ -353,6 +353,9 @@ sys_trace_line_func(
     }
     assert(PyVectorcall_NARGS(nargsf) == 2);
     int line = PyLong_AsInt(args[1]);
+    if (line == -1 && PyErr_Occurred()) {
+        return NULL;
+    }
     assert(line >= 0);
     PyFrameObject *frame = PyEval_GetFrame();
     if (frame == NULL) {
@@ -379,9 +382,17 @@ sys_trace_jump_func(
         Py_RETURN_NONE;
     }
     assert(PyVectorcall_NARGS(nargsf) == 3);
-    int from = PyLong_AsInt(args[1])/sizeof(_Py_CODEUNIT);
+    int from = PyLong_AsInt(args[1]);
+    if (from == -1 && PyErr_Occurred()) {
+        return NULL;
+    }
+    from /= sizeof(_Py_CODEUNIT);
     assert(from >= 0);
-    int to = PyLong_AsInt(args[2])/sizeof(_Py_CODEUNIT);
+    int to = PyLong_AsInt(args[2]);
+    if (to == -1 && PyErr_Occurred()) {
+        return NULL;
+    }
+    to /= sizeof(_Py_CODEUNIT);
     assert(to >= 0);
     if (to > from) {
         /* Forward jump */