From owner-freebsd-current@freebsd.org Mon Feb 22 15:10:40 2016 Return-Path: Delivered-To: freebsd-current@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 F0EEBAAFD77 for ; Mon, 22 Feb 2016 15:10:40 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 128521889; Mon, 22 Feb 2016 15:10:39 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id RAA24528; Mon, 22 Feb 2016 17:10:38 +0200 (EET) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1aXs8D-0007Cp-UX; Mon, 22 Feb 2016 17:10:37 +0200 Subject: Re: Memory modified after free in "MAP ENTRY" zone (vm_map_entry_t->read_ahead) To: Konstantin Belousov References: <56BBAB6E.5050601@FreeBSD.org> <56C08AAA.5050206@FreeBSD.org> <56C1953F.60604@FreeBSD.org> <20160218151321.GR91220@kib.kiev.ua> <56C6D496.1060509@FreeBSD.org> Cc: alc@FreeBSD.org, FreeBSD Current From: Andriy Gapon Message-ID: <56CB24B6.3030906@FreeBSD.org> Date: Mon, 22 Feb 2016 17:09:42 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <56C6D496.1060509@FreeBSD.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Feb 2016 15:10:41 -0000 On 19/02/2016 10:38, Andriy Gapon wrote: > On 18/02/2016 17:13, Konstantin Belousov wrote: >> So this is arguably a fallout from r188331. >> The following is somewhat non-insistent attempt to fix the problem. > > Kostik, > > thank you very much, I am testing the patch. The patch holds good so far. No regressions. -- Andriy Gapon