From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758499AbZCQV2l (ORCPT ); Tue, 17 Mar 2009 17:28:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758019AbZCQV2Z (ORCPT ); Tue, 17 Mar 2009 17:28:25 -0400 Received: from gw.goop.org ([64.81.55.164]:41602 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758030AbZCQV2Y (ORCPT ); Tue, 17 Mar 2009 17:28:24 -0400 Message-ID: <49C015F5.60309@goop.org> Date: Tue, 17 Mar 2009 14:28:21 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.19 (X11/20090105) MIME-Version: 1.0 To: Yinghai Lu CC: "H. Peter Anvin" , Ingo Molnar , Linux Kernel Mailing List Subject: Re: [crash] Re: Latest brk patchset References: <49BC413B.5020104@zytor.com> <49BC4CAC.202@goop.org> <49BC4DB6.9070403@zytor.com> <49BCA03D.3020605@goop.org> <20090315203802.GA14625@elte.hu> <49BD70EF.7010204@goop.org> <20090315212854.GA23960@elte.hu> <49BD8F15.4020301@goop.org> <20090316085402.GC1062@elte.hu> <49BE7A84.2030503@goop.org> <49BE84D6.3010006@kernel.org> <49BE9248.6050707@goop.org> <49BE97D5.4010002@zytor.com> <49BEA7BE.6050400@goop.org> <49BEAD27.3050801@kernel.org> <49BEAFEC.7020400@goop.org> <49BEB5FE.7050601@zytor.com> <49BEBD98.3090905@goop.org> <49BEC143.6030104@zytor.com> <49BEC53F.20200@goop.org> <49BED431.5070201@zytor.com> <49BF0A51.5000909@kernel.org> <49BF2054.9020009@zytor.com> <49BF301C.6010708@goop.org> <49BFCA05.7000508@zytor.com> <49BFFD3C.3020908@goop.org> <49BFFDE4.1070601@zytor.com> <49C0012A.6060903@goop.org> <49C013E2.3090704@kernel.org> In-Reply-To: <49C013E2.3090704@kernel.org> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Yinghai Lu wrote: > can you check __brk_limit in extend_brk() ? > It does: _brk_end = (_brk_end + mask) & ~mask; BUG_ON((char *)(_brk_end + size) > __brk_limit); J