From: Stefan Fritsch <sf@apache.org>
Date: Tue, 3 Aug 2010 19:36:03 +0000 (+0000)
Subject: set free()d pointers to NULL to avoid potential use-after-free bugs
X-Git-Tag: 2.3.7~43
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c3490c3c66d6aeff0eb0022c9154744b6856ffd8;p=thirdparty%2Fapache%2Fhttpd.git

set free()d pointers to NULL to avoid potential use-after-free bugs


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@982011 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/modules/ldap/util_ldap.c b/modules/ldap/util_ldap.c
index 7ec5adf7953..5fa013b11b1 100644
--- a/modules/ldap/util_ldap.c
+++ b/modules/ldap/util_ldap.c
@@ -206,9 +206,11 @@ static apr_status_t uldap_connection_cleanup(void *param)
         /* free the username and password */
         if (ldc->bindpw) {
             free((void*)ldc->bindpw);
+            ldc->bindpw = NULL;
         }
         if (ldc->binddn) {
             free((void*)ldc->binddn);
+            ldc->binddn = NULL;
         }
         /* ldc->reason is allocated from r->pool */
         if (ldc->reason) {
@@ -217,7 +219,7 @@ static apr_status_t uldap_connection_cleanup(void *param)
         /* unlock this entry */
         uldap_connection_close(ldc);
 
-     }
+    }
 
     return APR_SUCCESS;
 }