From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Thu, 11 Oct 2018 09:36:18 +0000 (+0900)
Subject: resolve: fix member access within null pointer
X-Git-Tag: v240~580^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=25270cf3dba887360e607b23d3264d110961659b;p=thirdparty%2Fsystemd.git

resolve: fix member access within null pointer

Fixes #10333.
---

diff --git a/src/resolve/resolved-manager.c b/src/resolve/resolved-manager.c
index 00252afdf30..f99a7b3d8d7 100644
--- a/src/resolve/resolved-manager.c
+++ b/src/resolve/resolved-manager.c
@@ -1051,9 +1051,9 @@ int manager_send(
         log_debug("Sending %s packet with id %" PRIu16 " on interface %i/%s.", DNS_PACKET_QR(p) ? "response" : "query", DNS_PACKET_ID(p), ifindex, af_to_name(family));
 
         if (family == AF_INET)
-                return manager_ipv4_send(m, fd, ifindex, &destination->in, port, &source->in, p);
+                return manager_ipv4_send(m, fd, ifindex, &destination->in, port, source ? &source->in : NULL, p);
         if (family == AF_INET6)
-                return manager_ipv6_send(m, fd, ifindex, &destination->in6, port, &source->in6, p);
+                return manager_ipv6_send(m, fd, ifindex, &destination->in6, port, source ? &source->in6 : NULL, p);
 
         return -EAFNOSUPPORT;
 }