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=-18.8 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_BLOCKED,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 4EE8CC43603 for ; Mon, 19 Apr 2021 13:26:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1A04C60FE8 for ; Mon, 19 Apr 2021 13:26:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241162AbhDSN1Q (ORCPT ); Mon, 19 Apr 2021 09:27:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:56792 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241359AbhDSNU1 (ORCPT ); Mon, 19 Apr 2021 09:20:27 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5723C613E8; Mon, 19 Apr 2021 13:16:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1618838181; bh=fN2mtwZZeJajqB6xdE9xvau7nZPC4vSVWR80iu+0jww=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ny+ekhAydZ6PKlwJfnegT+xPXjhRjvtjU++rbzqydNlTE647EN6yhW+L0Cz/UFssi Eydx45e/jI+CPBcsh+oCfJZAqY3oJJQHxLfrDK44Fm3i4KCE6e6O9S+kz85XUAudul uWj9XoXQGX0NLg4R7o54gRbLX21uWt68sIgZdR+s= 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 5.10 071/103] net: ip6_tunnel: Unregister catch-all devices Date: Mon, 19 Apr 2021 15:06:22 +0200 Message-Id: <20210419130530.255356635@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210419130527.791982064@linuxfoundation.org> References: <20210419130527.791982064@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 @@ -2275,6 +2275,16 @@ 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)