From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753864AbdKFXZF (ORCPT ); Mon, 6 Nov 2017 18:25:05 -0500 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:51644 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753189AbdKFXXr (ORCPT ); Mon, 6 Nov 2017 18:23:47 -0500 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "David S. Miller" , "Steffen Klassert" Date: Mon, 06 Nov 2017 23:03:07 +0000 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.2 051/147] ipv6: Fix may be used uninitialized warning in rt6_check In-Reply-To: X-SA-Exim-Connect-IP: 2a02:8011:400e:2:6f00:88c8:c921:d332 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.2.95-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Steffen Klassert commit 3614364527daa870264f6dde77f02853cdecd02c upstream. rt_cookie might be used uninitialized, fix this by initializing it. Fixes: c5cff8561d2d ("ipv6: add rcu grace period before freeing fib6_node") Signed-off-by: Steffen Klassert Signed-off-by: David S. Miller [bwh: Backported to 3.2: adjust context] Signed-off-by: Ben Hutchings --- net/ipv6/route.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -964,7 +964,7 @@ struct dst_entry *ip6_blackhole_route(st static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie) { struct rt6_info *rt; - u32 rt_cookie; + u32 rt_cookie = 0; rt = (struct rt6_info *) dst;