Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262447AbUKLAHK (ORCPT ); Thu, 11 Nov 2004 19:07:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262403AbUKLAHF (ORCPT ); Thu, 11 Nov 2004 19:07:05 -0500 Received: from dsl017-059-236.wdc2.dsl.speakeasy.net ([69.17.59.236]:8685 "EHLO marta.kurtwerks.com") by vger.kernel.org with ESMTP id S262478AbUKLAEM (ORCPT ); Thu, 11 Nov 2004 19:04:12 -0500 Date: Thu, 11 Nov 2004 19:11:45 -0500 From: Kurt Wall To: linux-kernel@vger.kernel.org Subject: Re: a.out issue Message-ID: <20041112001145.GB22336@kurtwerks.com> Mail-Followup-To: linux-kernel@vger.kernel.org References: <20041111220906.GA1670@dereference.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041111220906.GA1670@dereference.de> User-Agent: Mutt/1.4.2.1i X-Operating-System: Linux 2.6.9 X-Woot: Woot! Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 960 Lines: 29 On Thu, Nov 11, 2004 at 11:09:07PM +0100, Florian Heinz took 20 lines to write: > Hi ppl, > > there seems to be a bug related to a.out-binfmt. > > try executing this binary: > perl -e'print"\x07\x01".("\x00"x13)."\xc0".("\x00"x16)'>eout > (it may be neccessary to turn memory overcommit on before) > > This should result in a kernel-oops. > Doing this in a loop will eat fd's and memory. > > seems like find_vma_prepare does not what insert_vm_struct expects when > the whole addresspace is occupied. No oops over here, with overcommit set to 0, 1, or 2. $ uname -a Linux luther 2.6.9 #12 Sun Oct 31 07:43:57 EST 2004 i686 unknown unknown GNU/Linux Kurt -- Keep Cool, but Don't Freeze - Hellman's Mayonnaise - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/