From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mathieu Dube Subject: bss-zeroing question Date: Thu, 22 Feb 2007 09:12:45 -0500 Message-ID: <20070222141245.GA32188@dubix.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: linux-fsdevel@vger.kernel.org Return-path: Received: from ip-209-172-55-82.static.privatedns.com ([209.172.55.82]:53829 "EHLO salyut.miniguru.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161106AbXBVOrS (ORCPT ); Thu, 22 Feb 2007 09:47:18 -0500 Received: from salyut.miniguru.ca (localhost.privatedns.com [127.0.0.1]) by salyut.miniguru.ca (8.13.4/8.13.4) with ESMTP id l1MECkqP032231 for ; Thu, 22 Feb 2007 09:12:46 -0500 (EST) (envelope-from mujo@salyut.miniguru.ca) Received: (from mujo@localhost) by salyut.miniguru.ca (8.13.4/8.13.4/Submit) id l1MECjYX032230 for linux-fsdevel@vger.kernel.org; Thu, 22 Feb 2007 09:12:45 -0500 (EST) (envelope-from mujo) Content-Disposition: inline Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org Hi, Im not sure if this is the right list to ask that question but, the function load_elf_binary calls clear_user on elf_bss and there's a comment saying: /* * This bss-zeroing can fail if the ELF * file specifies odd protections. So * we don't check the return value */ what I would like to know is what these odd protections are and if/how they can be checked on a given elf file. I hope my question is clear. thanks -M