From owner-svn-src-stable@freebsd.org Wed Mar 14 08:45:20 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 5EA68F31185; Wed, 14 Mar 2018 08:45:20 +0000 (UTC) (envelope-from eadler@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 1098E758F3; Wed, 14 Mar 2018 08:45:20 +0000 (UTC) (envelope-from eadler@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 0B83E25B48; Wed, 14 Mar 2018 08:45:20 +0000 (UTC) (envelope-from eadler@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w2E8jJpI003299; Wed, 14 Mar 2018 08:45:19 GMT (envelope-from eadler@FreeBSD.org) Received: (from eadler@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w2E8jJgT003298; Wed, 14 Mar 2018 08:45:19 GMT (envelope-from eadler@FreeBSD.org) Message-Id: <201803140845.w2E8jJgT003298@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: eadler set sender to eadler@FreeBSD.org using -f From: Eitan Adler Date: Wed, 14 Mar 2018 08:45:19 +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: r330923 - stable/11/sys/dev/bhnd/nvram X-SVN-Group: stable-11 X-SVN-Commit-Author: eadler X-SVN-Commit-Paths: stable/11/sys/dev/bhnd/nvram X-SVN-Commit-Revision: 330923 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.25 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: Wed, 14 Mar 2018 08:45:20 -0000 Author: eadler Date: Wed Mar 14 08:45:19 2018 New Revision: 330923 URL: https://svnweb.freebsd.org/changeset/base/330923 Log: MFC r302509: Fix heap overflow in bhnd(4) SPROM parsing. The bus_region_* APIs accept the number of data items to be read, while the code was passing the total number of bytes, resulting in an overflow of the SPROM parser's buffer. Modified: stable/11/sys/dev/bhnd/nvram/bhnd_sprom_subr.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/dev/bhnd/nvram/bhnd_sprom_subr.c ============================================================================== --- stable/11/sys/dev/bhnd/nvram/bhnd_sprom_subr.c Wed Mar 14 08:33:03 2018 (r330922) +++ stable/11/sys/dev/bhnd/nvram/bhnd_sprom_subr.c Wed Mar 14 08:45:19 2018 (r330923) @@ -523,7 +523,8 @@ sprom_direct_read(struct bhnd_sprom *sc, size_t offset p = (uint16_t *)buf; res_offset = sc->sp_res_off + offset; - bhnd_bus_read_region_stream_2(sc->sp_res, res_offset, p, nbytes); + bhnd_bus_read_region_stream_2(sc->sp_res, res_offset, p, + (nbytes / sizeof(uint16_t))); *crc = bhnd_nvram_crc8(p, nbytes, *crc); return (0);