From owner-svn-src-stable@freebsd.org Tue Dec 25 12:45:47 2018 Return-Path: Delivered-To: svn-src-stable@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 9241313514B3; Tue, 25 Dec 2018 12:45:47 +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 TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 349C174236; Tue, 25 Dec 2018 12:45:47 +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 26158C89E; Tue, 25 Dec 2018 12:45:47 +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 wBPCjlL5017344; Tue, 25 Dec 2018 12:45:47 GMT (envelope-from kp@FreeBSD.org) Received: (from kp@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wBPCjlAl017343; Tue, 25 Dec 2018 12:45:47 GMT (envelope-from kp@FreeBSD.org) Message-Id: <201812251245.wBPCjlAl017343@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kp set sender to kp@FreeBSD.org using -f From: Kristof Provost Date: Tue, 25 Dec 2018 12:45:47 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r342459 - stable/12/sys/netpfil/pf X-SVN-Group: stable-12 X-SVN-Commit-Author: kp X-SVN-Commit-Paths: stable/12/sys/netpfil/pf X-SVN-Commit-Revision: 342459 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 349C174236 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.998,0]; NEURAL_HAM_SHORT(-0.95)[-0.953,0]; NEURAL_HAM_LONG(-1.00)[-0.998,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Dec 2018 12:45:47 -0000 Author: kp Date: Tue Dec 25 12:45:46 2018 New Revision: 342459 URL: https://svnweb.freebsd.org/changeset/base/342459 Log: MFC r341833: pf: Prevent integer overflow in PF when calculating the adaptive timeout. Mainly states of established TCP connections would be affected resulting in immediate state removal once the number of states is bigger than adaptive.start. Disabling adaptive timeouts is a workaround to avoid this bug. Issue found and initial diff by Mathieu Blanc (mathieu.blanc at cea dot fr) Reported by: Andreas Longwitz Obtained from: OpenBSD Modified: stable/12/sys/netpfil/pf/pf.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/netpfil/pf/pf.c ============================================================================== --- stable/12/sys/netpfil/pf/pf.c Tue Dec 25 11:08:53 2018 (r342458) +++ stable/12/sys/netpfil/pf/pf.c Tue Dec 25 12:45:46 2018 (r342459) @@ -1567,9 +1567,11 @@ pf_state_expires(const struct pf_state *state) states = V_pf_status.states; } if (end && states > start && start < end) { - if (states < end) - return (state->expire + timeout * (end - states) / - (end - start)); + if (states < end) { + timeout = (u_int64_t)timeout * (end - states) / + (end - start); + return (state->expire + timeout); + } else return (time_uptime); }