From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_RED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38328C433ED for ; Mon, 26 Apr 2021 07:46:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 04FE0608FC for ; Mon, 26 Apr 2021 07:46:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232594AbhDZHrM (ORCPT ); Mon, 26 Apr 2021 03:47:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:49780 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233543AbhDZHjo (ORCPT ); Mon, 26 Apr 2021 03:39:44 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id E0A74613CB; Mon, 26 Apr 2021 07:37:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1619422674; bh=bWjkEMqWk8LpqfI0qoaV2gfWeqoPKQ0GCiIZbx7y7bw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PkY6aa7HAYNlN92gvDFAbGDyg7aTVA4SSFuqsXEZgon6UUh3fgFTgunXd1VLZxZED 17SBkgdomvSZho6LiUmxpob53J356hCOpRSXYEcz15ATaZeweQpCl10BUG0yGTQT2S OEe23pqsmYszD3BvsPSC5cO8QaG7jjb9kXegH2fY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hristo Venev , "David S. Miller" Subject: [PATCH 4.19 35/57] net: ip6_tunnel: Unregister catch-all devices Date: Mon, 26 Apr 2021 09:29:32 +0200 Message-Id: <20210426072821.763792328@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210426072820.568997499@linuxfoundation.org> References: <20210426072820.568997499@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Hristo Venev commit 941ea91e87a6e879ed82dad4949f6234f2702bec upstream. Similarly to the sit case, we need to remove the tunnels with no addresses that have been moved to another network namespace. Fixes: 0bd8762824e73 ("ip6tnl: add x-netns support") Signed-off-by: Hristo Venev Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/ipv6/ip6_tunnel.c | 10 ++++++++++ 1 file changed, 10 insertions(+) --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -2222,6 +2222,16 @@ static void __net_exit ip6_tnl_destroy_t t = rtnl_dereference(t->next); } } + + t = rtnl_dereference(ip6n->tnls_wc[0]); + while (t) { + /* If dev is in the same netns, it has already + * been added to the list by the previous loop. + */ + if (!net_eq(dev_net(t->dev), net)) + unregister_netdevice_queue(t->dev, list); + t = rtnl_dereference(t->next); + } } static int __net_init ip6_tnl_init_net(struct net *net)