PyUnicode_FindChar() raises a IndexError on invalid index

267aa243 · Victor Stinner · bc603d12 · 267aa243
Kaydet (Commit) 267aa243 authored Eki 01, 2011 tarafından Victor Stinner
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unicodeobject.c Objects/unicodeobject.c +4 -0

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--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -8089,6 +8089,10 @@ PyUnicode_FindChar(PyObject *str, Py_UCS4 ch,
    int kind;
    if (PyUnicode_READY(str) == -1)
        return -2;
+    if (start < 0 || end < 0) {
+        PyErr_SetString(PyExc_IndexError, "string index out of range");
+        return -2;
+    }
    if (end > PyUnicode_GET_LENGTH(str))
        end = PyUnicode_GET_LENGTH(str);
    kind = PyUnicode_KIND(str);