From owner-svn-src-head@freebsd.org Tue Feb 26 18:30:52 2019 Return-Path: Delivered-To: svn-src-head@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 8277E152241D; Tue, 26 Feb 2019 18:30:52 +0000 (UTC) (envelope-from markj@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 2718B6CF10; Tue, 26 Feb 2019 18:30:52 +0000 (UTC) (envelope-from markj@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 15E508F65; Tue, 26 Feb 2019 18:30:52 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x1QIUpSX082790; Tue, 26 Feb 2019 18:30:51 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x1QIUpCm082789; Tue, 26 Feb 2019 18:30:51 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201902261830.x1QIUpCm082789@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Tue, 26 Feb 2019 18:30:51 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r344600 - head/sys/geom/concat X-SVN-Group: head X-SVN-Commit-Author: markj X-SVN-Commit-Paths: head/sys/geom/concat X-SVN-Commit-Revision: 344600 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 2718B6CF10 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.96 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.97)[-0.966,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Feb 2019 18:30:52 -0000 Author: markj Date: Tue Feb 26 18:30:51 2019 New Revision: 344600 URL: https://svnweb.freebsd.org/changeset/base/344600 Log: Add a missing return statement to g_concat_kernel_dump(). The error occurs when upper layers attempt an out-of-bounds write. Submitted by: Noah Bergbauer MFC after: 1 week Modified: head/sys/geom/concat/g_concat.c Modified: head/sys/geom/concat/g_concat.c ============================================================================== --- head/sys/geom/concat/g_concat.c Tue Feb 26 18:20:41 2019 (r344599) +++ head/sys/geom/concat/g_concat.c Tue Feb 26 18:30:51 2019 (r344600) @@ -238,8 +238,10 @@ g_concat_kernel_dump(struct bio *bp) sc->sc_disks[i].d_end > gkd->offset) break; } - if (i == sc->sc_ndisks) + if (i == sc->sc_ndisks) { g_io_deliver(bp, EOPNOTSUPP); + return; + } disk = &sc->sc_disks[i]; gkd->offset -= disk->d_start; if (gkd->length > disk->d_end - disk->d_start - gkd->offset)