From: Gustavo Niemeyer <gustavo@niemeyer.net>
Date: Thu, 26 Jun 2003 14:41:08 +0000 (+0000)
Subject: Fixing bug described in patch #756032, where SRE reads invalid data
X-Git-Tag: v2.3c1~326
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=28b5bb33ea8640b6ee1e67b4af7b36b81a7d2659;p=thirdparty%2FPython%2Fcpython.git

Fixing bug described in patch #756032, where SRE reads invalid data
due to a corrupted end pointer.
---

diff --git a/Modules/_sre.c b/Modules/_sre.c
index 3f9a2d3eb42c..a8a97748b197 100644
--- a/Modules/_sre.c
+++ b/Modules/_sre.c
@@ -1297,7 +1297,7 @@ SRE_SEARCH(SRE_STATE* state, SRE_CODE* pattern)
 
         flags = pattern[2];
 
-        if (pattern[3] > 0) {
+        if (pattern[3] > 1) {
             /* adjust end point (but make sure we leave at least one
                character in there, so literal search will work) */
             end -= pattern[3]-1;