Received: by 2002:a05:6602:2086:0:0:0:0 with SMTP id a6csp4360983ioa; Wed, 27 Apr 2022 01:56:51 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx5ETVGVrveY+tuUDPfbqUoWHf6vC2SKkqmIwDtRtX6VhfruzJ8bv5f24mmxfkfXXmOJ4IC X-Received: by 2002:a17:902:a988:b0:158:9877:6c2c with SMTP id bh8-20020a170902a98800b0015898776c2cmr27998450plb.80.1651049811283; Wed, 27 Apr 2022 01:56:51 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1651049811; cv=none; d=google.com; s=arc-20160816; b=UvNm2pHfppOrwrNpXQM6FdZZEtybsXKR85ZCFrz+RypTPTKElSUTYYQ3kTejOVqwSZ RsHRTMZOzpsJ3k1HXtwXY/WzzpZpo3FStHOLBlBle9/fEIYK2vgq6IQzXZtUn2/g7xAt xFiIGSAGJ7cA5/TGyjmMI3eKnPPPS68ohfZ1mWQN+kG1HBZEs70CI5lOGUNNajABL9aZ aufRu8ooNmEkpYA3m8LfTuqbFQKxfeSrIX5O9pMOA41cugPqRZt8WT3idBWnvL8JbLVL uIUtBINCmgL69NvZiYnDP8LH+A7OCGm1B84rskx+FDnjsy47/28HfNdtoguZ+23qyLii E4wg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:user-agent:references:message-id :in-reply-to:subject:cc:to:from:date:dkim-signature; bh=ERALpKB9DaX1cW8EvRCpNXwECZ3wYEIi3CvVE426efA=; b=DUo1/M57Yo1CBGJPvVo+q9F4kEPOWCU+Gh0Ml0muPb2SalR89ucJCpejct/Qtnqfus IDW5mDL+T3Ttb0nxZY05jKABY3Z4lhi5XMAgxuKTkVNePYd+O2bjDtEcKqCUyebTqChu iewOvJGz6g0lSu9YjExtnioMvdOsp6K+d0Iv0f8mmJCFcpIqdzcELbWOO9Xe2DP09y6g itgprPprlIqGzzc+PPJ72vuyx5bRBTsvfq5R0ygh9Flx+bFoPlZo3USEJl8smdp9WBgk f+1Lw4EJiuzkufZ2Oo+63AwPvVRdxxHw9vYtMMFwyXB+9B1tBgVZsfD5BeKCdVcSyZmo 7Wdg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=dk+NBxZ4; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net. [23.128.96.19]) by mx.google.com with ESMTPS id m12-20020a170902db0c00b00156b0dd99b6si1104049plx.221.2022.04.27.01.56.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Apr 2022 01:56:51 -0700 (PDT) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=dk+NBxZ4; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 4B63D1C45B0; Wed, 27 Apr 2022 01:53:57 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352272AbiDZPcZ (ORCPT + 99 others); Tue, 26 Apr 2022 11:32:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52656 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234269AbiDZPcX (ORCPT ); Tue, 26 Apr 2022 11:32:23 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 043B331DE2 for ; Tue, 26 Apr 2022 08:29:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1650986955; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ERALpKB9DaX1cW8EvRCpNXwECZ3wYEIi3CvVE426efA=; b=dk+NBxZ4jkjVtvtvAJwGZYoy3Gfhyxchxd1gsLi5s2DJJEnNyoRMEwGdLzoimyCkNiP5B4 lKTGjuOzKa0Lm4a4v6yw32mFB7ewB32uNGL3vjyp3ZoNhQbugZn92Onxg1KbdSk74+uUcZ AbFw0KPgpA0KbtyFzm+gB1O3dUfwgkQ= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-67-RyI-idt9M1CjY84O7BMLyg-1; Tue, 26 Apr 2022 11:29:11 -0400 X-MC-Unique: RyI-idt9M1CjY84O7BMLyg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 3F3DF3811A20; Tue, 26 Apr 2022 15:29:11 +0000 (UTC) Received: from file01.intranet.prod.int.rdu2.redhat.com (file01.intranet.prod.int.rdu2.redhat.com [10.11.5.7]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2FC9214682C4; Tue, 26 Apr 2022 15:29:11 +0000 (UTC) Received: from file01.intranet.prod.int.rdu2.redhat.com (localhost [127.0.0.1]) by file01.intranet.prod.int.rdu2.redhat.com (8.14.4/8.14.4) with ESMTP id 23QFTBWs005239; Tue, 26 Apr 2022 11:29:11 -0400 Received: from localhost (mpatocka@localhost) by file01.intranet.prod.int.rdu2.redhat.com (8.14.4/8.14.4/Submit) with ESMTP id 23QFTB7b005235; Tue, 26 Apr 2022 11:29:11 -0400 X-Authentication-Warning: file01.intranet.prod.int.rdu2.redhat.com: mpatocka owned process doing -bs Date: Tue, 26 Apr 2022 11:29:11 -0400 (EDT) From: Mikulas Patocka X-X-Sender: mpatocka@file01.intranet.prod.int.rdu2.redhat.com To: Andy Shevchenko cc: Linus Torvalds , Andy Shevchenko , Mimi Zohar , device-mapper development , Linux Kernel Mailing List , Mike Snitzer , Milan Broz Subject: Re: [PATCH v2] hex2bin: fix access beyond string end In-Reply-To: Message-ID: References: User-Agent: Alpine 2.02 (LRH 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanned-By: MIMEDefang 2.85 on 10.11.54.7 X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 26 Apr 2022, Andy Shevchenko wrote: > On Tue, Apr 26, 2022 at 08:07:44AM -0400, Mikulas Patocka wrote: > > On Tue, 26 Apr 2022, Andy Shevchenko wrote: > > > On Sun, Apr 24, 2022 at 10:48 PM Mikulas Patocka wrote: > > ... > > > > You need to provide a Fixes tag. > > > > OK. Here I resend it with the "Fixes" tag. > > Still shadows error codes. > > > + return -EINVAL; > > > return -EINVAL; What do you mean? What's wrong with "return -EINVAL"? Mikulas