From: Neal Norwitz <nnorwitz@gmail.com>
Date: Wed, 12 Jul 2006 05:27:46 +0000 (+0000)
Subject: Fix uninitialized memory read reported by Valgrind when running doctest.
X-Git-Tag: v2.5b3~266
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7e49c6eee88c72c53969da31db95a526742191ef;p=python

Fix uninitialized memory read reported by Valgrind when running doctest.
This could happen if size == 0.
---

diff --git a/Objects/codeobject.c b/Objects/codeobject.c
index a9bcb0179e..89871d6cf1 100644
--- a/Objects/codeobject.c
+++ b/Objects/codeobject.c
@@ -556,6 +556,7 @@ PyCode_CheckLineNumber(PyCodeObject* co, int lasti, PyAddrPair *bounds)
            the line increments here, treating them as byte
            increments gets confusing, to say the least. */
 
+        bounds->ap_lower = 0;
         while (size > 0) {
                 if (addr + *p > lasti)
                         break;