From: Yang Tse <yangsita@gmail.com>
Date: Fri, 17 Oct 2008 15:29:35 +0000 (+0000)
Subject: protect against 'use after free' or race condition
X-Git-Tag: curl-7_19_1~115
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8254bbae56c27add4cb6217e2f1478817cd9f9ee;p=thirdparty%2Fcurl.git

protect against 'use after free' or race condition
---

diff --git a/lib/hostip.c b/lib/hostip.c
index cee5bc2d80..03dcce86cc 100644
--- a/lib/hostip.c
+++ b/lib/hostip.c
@@ -732,6 +732,7 @@ void Curl_freeaddrinfo(Curl_addrinfo *ai)
       free(ai->ai_addr);
     if(ai->ai_canonname)
       free(ai->ai_canonname);
+    memset(ai, 0, sizeof(Curl_addrinfo));
     free(ai);
     ai = next;
   }