From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B70E0C43441 for ; Tue, 13 Nov 2018 16:41:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8079F216FD for ; Tue, 13 Nov 2018 16:41:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8079F216FD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731221AbeKNCkT (ORCPT ); Tue, 13 Nov 2018 21:40:19 -0500 Received: from mx1.redhat.com ([209.132.183.28]:40470 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728431AbeKNCkT (ORCPT ); Tue, 13 Nov 2018 21:40:19 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C1C143002501; Tue, 13 Nov 2018 16:41:27 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.43.17.31]) by smtp.corp.redhat.com (Postfix) with SMTP id 6FBF61019635; Tue, 13 Nov 2018 16:41:26 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Tue, 13 Nov 2018 17:41:27 +0100 (CET) Date: Tue, 13 Nov 2018 17:41:25 +0100 From: Oleg Nesterov To: Michal Hocko Cc: Andrew Morton , Ben Woodard , "Eric W. Biederman" , Kees Cook , linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] exec: load_script: don't blindly truncate shebang string Message-ID: <20181113164125.GF30990@redhat.com> References: <20181112160931.GA28463@redhat.com> <20181113102741.GN15120@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181113102741.GN15120@dhcp22.suse.cz> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.45]); Tue, 13 Nov 2018 16:41:27 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/13, Michal Hocko wrote: > > A bit cryptic to my taste Yeeees, because I didn't want to touch the code below. We need to cleanup the whole "parse bprm->buf" code, not only this part. > but it looks correct. I have tried to come up > with something more tasty but I am afraid it would be just a matter of > taste. > > Acked-by: Michal Hocko Thanks! Oleg.