From: Victor Stinner <victor.stinner@haypocalc.com>
Date: Sat, 1 Oct 2011 23:08:37 +0000 (+0200)
Subject: PyUnicode_FindChar() raises a IndexError on invalid index
X-Git-Tag: v3.3.0a1~1397
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=267aa24365b9fe6b142be49a2db2219f14c456b7;p=thirdparty%2FPython%2Fcpython.git

PyUnicode_FindChar() raises a IndexError on invalid index
---

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index c0511ddc192c..ab77b03ca68c 100644
--- 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);