From: Roy Marples <roy@marples.name>
Date: Sat, 6 Jun 2020 19:52:28 +0000 (+0100)
Subject: RA: Abort if no state
X-Git-Tag: v9.1.2~35
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2012891b585c316ad77ea55b46a8fbaaddb90d90;p=thirdparty%2Fdhcpcd.git

RA: Abort if no state

We might have received data for an interface before
its been initialised.
---

diff --git a/src/ipv6nd.c b/src/ipv6nd.c
index 9e89880b..504e647d 100644
--- a/src/ipv6nd.c
+++ b/src/ipv6nd.c
@@ -1100,7 +1100,7 @@ ipv6nd_handlera(struct dhcpcd_ctx *ctx,
 	bool new_ia;
 #endif
 
-	if (ifp == NULL) {
+	if (ifp == NULL || RS_STATE(ifp) == NULL) {
 #ifdef DEBUG_RS
 		logdebugx("RA for unexpected interface from %s", sfrom);
 #endif