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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 21F5BC34031 for ; Wed, 19 Feb 2020 02:13:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EC0FA2176D for ; Wed, 19 Feb 2020 02:13:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Oad5ul2+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727951AbgBSCNs (ORCPT ); Tue, 18 Feb 2020 21:13:48 -0500 Received: from mail-pj1-f46.google.com ([209.85.216.46]:53594 "EHLO mail-pj1-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726698AbgBSCNs (ORCPT ); Tue, 18 Feb 2020 21:13:48 -0500 Received: by mail-pj1-f46.google.com with SMTP id n96so1886957pjc.3 for ; Tue, 18 Feb 2020 18:13:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=h3tV4S0r8Xq95lxRY98z1zfIs74BXQjGM8f1J1KjwCw=; b=Oad5ul2+5v3Jb1DwLO1sTnm7xES/z32bxAG/kYEFeN8L1anPcv2/uAMu29EOp0ZW3x SZo97zJGVSwaCJf9PU6nPVg90IRPEUWutv5cD5INnbGmQEoSs+x7jVTwxJyaaVGBc5iW xaxC8QcUC9cmNugyA9k8TQJUxTLiS2DSZFpJZGub5ysJIJ/7LaaDVLj4zTk+Xu27uVXs 48FHnBmz6syyFiGrY7MCXUTmzUw2VC4VR9nH++0To6R6NGnOHqJ9Hm1oCt/+ETdIRRcO vSXc0MNHNH/Couy0rIQuF8d9oanR1qqFNTEoyd3CdfBetNN3fcNynNGKUFHiudUe9uaR g4SA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=h3tV4S0r8Xq95lxRY98z1zfIs74BXQjGM8f1J1KjwCw=; b=R3nNTERxxGr2DlgU2Zrqz9kqZO2K18QBp2GhEdX00vFtwzCskCKTbOSDuB+jEsiIZd fdpiPLrqpy9JbWBhO4gntzCThl8IL0CGJZua1R7Z8y2bTap7p5osYk8bMKN80ZQWW4WI mvKxwQ3KbV3UsgO/C814tJujhqQIipU9C8wAnVk/uHCHlp5MRQI3EOjj3WaXb+vRd4aM LinwMFz2u0VPU820UdayKu9jaZYP98IK3cxYAzdfkrCFNgvyKvRKKSSdy5f3ZX5su5mN Gq4i0nscUdUMSKqRexa3pAD6evJD0te+8MvGpn7Kru3hnBc9Daud819n1pTiHF44cJAV LvPg== X-Gm-Message-State: APjAAAWruS4w5RHQe6Iw3gA3hgI0a/WDk7mHobYxPrNDd9pQtGmXxpsz 3EkMYgl7QCobxV5qxbk36oI= X-Google-Smtp-Source: APXvYqxuQyjHgDRYPGyql+VKPnbX/qWBKYCRFH0fK087eLi39hs4J7/HYCx9XVxHRKkJ22mkzbR90A== X-Received: by 2002:a17:90a:ac0e:: with SMTP id o14mr6487969pjq.11.1582078427769; Tue, 18 Feb 2020 18:13:47 -0800 (PST) Received: from localhost ([2401:fa00:8f:203:5bbb:c872:f2b1:f53b]) by smtp.gmail.com with ESMTPSA id t8sm235237pjy.20.2020.02.18.18.13.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Feb 2020 18:13:46 -0800 (PST) Date: Wed, 19 Feb 2020 11:13:45 +0900 From: Sergey Senozhatsky To: Petr Mladek Cc: Ilya Dryomov , Kees Cook , LKML , Linus Torvalds , Steven Rostedt , Randy Dunlap , Sergey Senozhatsky , "Tobin C . Harding" Subject: Re: [PATCH] vsprintf: don't obfuscate NULL and error pointers Message-ID: <20200219021345.GA17186@google.com> References: <20200217222803.6723-1-idryomov@gmail.com> <202002171546.A291F23F12@keescook> <20200218103346.5hbe7d5aj2ma7trk@pathway.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200218103346.5hbe7d5aj2ma7trk@pathway.suse.cz> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (20/02/18 11:33), Petr Mladek wrote: > It would make sense to distinguish it from a hashed value that might > be in the NULL or ERR range as well. [..] > Reviewed-by: Petr Mladek FWIW, Reviewed-by: Sergey Senozhatsky -ss