Fix bounds check of hi argument in bisect_left|right functions

Author: rruuaanng

Misc/NEWS.d/next/Library/2024-10-24-15-21-03.gh-issue-125889.P9MXpN.rst

@@ -0,0 +1,3 @@
+Modify the check of ``hi`` argument in ``internal_bisect_left`` and
+``internal_bisect_right`` so that negative numbers are not allowed
+to be passed.

Modules/_bisectmodule.c

@@ -61,7 +61,7 @@ internal_bisect_right(PyObject *list, PyObject *item, Py_ssize_t lo, Py_ssize_t
         PyErr_SetString(PyExc_ValueError, "lo must be non-negative");
         return -1;
     }
-    if (hi == -1) {
+    if (hi < 0) {
         hi = PySequence_Size(list);
         if (hi < 0)
             return -1;
@@ -245,7 +245,7 @@ internal_bisect_left(PyObject *list, PyObject *item, Py_ssize_t lo, Py_ssize_t h
         PyErr_SetString(PyExc_ValueError, "lo must be non-negative");
         return -1;
     }
-    if (hi == -1) {
+    if (hi < 0) {
         hi = PySequence_Size(list);
         if (hi < 0)
             return -1;