From: Roy Marples <roy@marples.name>
Date: Mon, 15 May 2017 08:58:36 +0000 (+0100)
Subject: It's possible to receive a DHCPv6 lease without an address.
X-Git-Tag: v7.0.0-rc2~68
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7a938aef853bb082b85dc0149e004587d7008ad6;p=thirdparty%2Fdhcpcd.git

It's possible to receive a DHCPv6 lease without an address.
---

diff --git a/src/dhcp6.c b/src/dhcp6.c
index f7505765..71f1dace 100644
--- a/src/dhcp6.c
+++ b/src/dhcp6.c
@@ -3103,7 +3103,12 @@ dhcp6_handledata(void *arg)
 		}
 		if (ap == NULL)
 			ap = TAILQ_FIRST(&state->addrs);
-		loginfox("%s: ADV %s from %s", ifp->name, ap->saddr, ctx->sfrom);
+		if (ap == NULL)
+			loginfox("%s: ADV (no address) from %s",
+			    ifp->name, ctx->sfrom);
+		else
+			loginfox("%s: ADV %s from %s",
+			    ifp->name, ap->saddr, ctx->sfrom);
 		if (ifp->ctx->options & DHCPCD_TEST)
 			break;
 		dhcp6_startrequest(ifp);