From owner-svn-soc-all@freebsd.org Wed Aug 19 09:26:38 2015 Return-Path: Delivered-To: svn-soc-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8CD0D9BC20C for ; Wed, 19 Aug 2015 09:26:38 +0000 (UTC) (envelope-from def@FreeBSD.org) Received: from socsvn.freebsd.org (socsvn.freebsd.org [IPv6:2001:1900:2254:206a::50:2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 7D6FFB2C for ; Wed, 19 Aug 2015 09:26:38 +0000 (UTC) (envelope-from def@FreeBSD.org) Received: from socsvn.freebsd.org ([127.0.1.124]) by socsvn.freebsd.org (8.15.2/8.15.2) with ESMTP id t7J9Qcri000431 for ; Wed, 19 Aug 2015 09:26:38 GMT (envelope-from def@FreeBSD.org) Received: (from www@localhost) by socsvn.freebsd.org (8.15.2/8.15.2/Submit) id t7J9QbXG000418 for svn-soc-all@FreeBSD.org; Wed, 19 Aug 2015 09:26:37 GMT (envelope-from def@FreeBSD.org) Date: Wed, 19 Aug 2015 09:26:37 GMT Message-Id: <201508190926.t7J9QbXG000418@socsvn.freebsd.org> X-Authentication-Warning: socsvn.freebsd.org: www set sender to def@FreeBSD.org using -f From: def@FreeBSD.org To: svn-soc-all@FreeBSD.org Subject: socsvn commit: r289914 - soc2013/def/crashdump-head/sys/kern MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-soc-all@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: SVN commit messages for the entire Summer of Code repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Aug 2015 09:26:38 -0000 Author: def Date: Wed Aug 19 09:26:37 2015 New Revision: 289914 URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=289914 Log: Don't allow to write blocks in the reverse order. Modified: soc2013/def/crashdump-head/sys/kern/kern_shutdown.c Modified: soc2013/def/crashdump-head/sys/kern/kern_shutdown.c ============================================================================== --- soc2013/def/crashdump-head/sys/kern/kern_shutdown.c Wed Aug 19 09:24:34 2015 (r289913) +++ soc2013/def/crashdump-head/sys/kern/kern_shutdown.c Wed Aug 19 09:26:37 2015 (r289914) @@ -1030,8 +1030,7 @@ /* Data have to be written continuously. */ if (kdc->kdc_lastoffset != 0 && - kdc->kdc_lastoffset + kdc->kdc_lastlength != offset && - offset + length != kdc->kdc_lastoffset) { + kdc->kdc_lastoffset + kdc->kdc_lastlength != offset) { return (EINVAL); }