From: Guus Sliepen <guus@tinc-vpn.org>
Date: Mon, 22 Jan 2018 17:05:09 +0000 (+0100)
Subject: Fix calling freeaddrinfo() on the wrong pointer.
X-Git-Tag: release-1.1pre16~31
X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=commitdiff_plain;h=e0f6d90e7fac4c567900e98c354af979c97f8d59

Fix calling freeaddrinfo() on the wrong pointer.

Thanks to Todd C. Miller for finding this issue.
---

diff --git a/src/address_cache.c b/src/address_cache.c
index 552e1f28..42b671b8 100644
--- a/src/address_cache.c
+++ b/src/address_cache.c
@@ -178,8 +178,8 @@ const sockaddr_t *get_recent_address(address_cache_t *cache) {
 		cache->aip = cache->aip->ai_next;
 
 		if(!cache->aip) {
-			freeaddrinfo(cache->aip);
-			cache->aip = NULL;
+			freeaddrinfo(cache->ai);
+			cache->ai = cache->aip = NULL;
 		}
 
 		return sa;