From owner-svn-src-all@freebsd.org Sun Nov 18 12:04:26 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 91F9F1137AAC; Sun, 18 Nov 2018 12:04:26 +0000 (UTC) (envelope-from kp@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 33B6679FED; Sun, 18 Nov 2018 12:04:26 +0000 (UTC) (envelope-from kp@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 08184131A5; Sun, 18 Nov 2018 12:04:26 +0000 (UTC) (envelope-from kp@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wAIC4PNp048150; Sun, 18 Nov 2018 12:04:25 GMT (envelope-from kp@FreeBSD.org) Received: (from kp@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wAIC4P05048149; Sun, 18 Nov 2018 12:04:25 GMT (envelope-from kp@FreeBSD.org) Message-Id: <201811181204.wAIC4P05048149@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kp set sender to kp@FreeBSD.org using -f From: Kristof Provost Date: Sun, 18 Nov 2018 12:04:25 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r340569 - stable/11/sys/net X-SVN-Group: stable-11 X-SVN-Commit-Author: kp X-SVN-Commit-Paths: stable/11/sys/net X-SVN-Commit-Revision: 340569 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 33B6679FED X-Spamd-Result: default: False [0.05 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_SPAM_SHORT(0.05)[0.051,0] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 Nov 2018 12:04:26 -0000 Author: kp Date: Sun Nov 18 12:04:25 2018 New Revision: 340569 URL: https://svnweb.freebsd.org/changeset/base/340569 Log: MFC r340066: Notify that the ifnet will go away, even on vnet shutdown pf subscribes to ifnet_departure_event events, so it can clean up the ifg_pf_kif and if_pf_kif pointers in the ifnet. During vnet shutdown interfaces could go away without sending the event, so pf ends up cleaning these up as part of its shutdown sequence, which happens after the ifnet has already been freed. Send the ifnet_departure_event during vnet shutdown, allowing pf to clean up correctly. Sponsored by: Orange Business Services Modified: stable/11/sys/net/if.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/net/if.c ============================================================================== --- stable/11/sys/net/if.c Sun Nov 18 12:04:24 2018 (r340568) +++ stable/11/sys/net/if.c Sun Nov 18 12:04:25 2018 (r340569) @@ -1085,6 +1085,9 @@ if_detach_internal(struct ifnet *ifp, int vmove, struc * the work top-down for us. */ if (shutdown) { + /* Give interface users the chance to clean up. */ + EVENTHANDLER_INVOKE(ifnet_departure_event, ifp); + /* * In case of a vmove we are done here without error. * If we would signal an error it would lead to the same