Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp2971573ybi; Mon, 17 Jun 2019 13:47:43 -0700 (PDT) X-Google-Smtp-Source: APXvYqxgCrsg8KNVZRQYM0Gd5hBQoY4YSJsKBekUMF0/RR5X1aGMKa1xff/1JpuRxiaRTOeIQb+V X-Received: by 2002:a17:902:ac88:: with SMTP id h8mr32144774plr.12.1560804463204; Mon, 17 Jun 2019 13:47:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1560804463; cv=none; d=google.com; s=arc-20160816; b=OWbZUsSrVPpz8WbmnfTdD/fExW7fETW93tCMlVrsBXoflpR/Cscj4zCPr1E6wBlsJh iAzv1RjED3g8QtN1BpKlaWAX58+zkmJ4H5H5KineM6gGGjavaodWVHVbh6ToudchYUyy JS2cFHRe66uLgZRQqKhF39c2N8Us8xp1Our2XE6wdPvCpqyvvvhmpoPuAwHdc/m5TDcj p/aj4+5Xrkh0bHud0T5wB5OQYJQDm81pGhyp6jaHihS2TwyILYzQ4wQ7f9Pm+XWO1Vxa a+bsUFLnSE9HcU3Jkh4O81ZWEmmNiD3O0GGVEs4fYvjmZO/2XwRFzzTYR9PYqjcLm+7g TBmg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date; bh=aZ4qDyFmh0l3607EwIFJ5A1tze1XWW4DKYOsw9ooVss=; b=rHG666cYosLtXxLL14qq/J0XuRo1Y4BYNSlr497qrWbm45tnR3+Jwu4AkFSU3o5xkk EnBt2jdKWmQdAbIOai9UYuJdjQNT1j8cQ+xBgveZdn/yjf01GFJRTwoPx6gzMpZUq983 XQPvTiXyjHVNf+GqMnK40XPd3Zi7L1tdUsLp2rYA/ESXIYOupqPLBFJqrqTB7rePOea7 /i38XfiKDXrgfafzwInzWMVX3jQbc3vaPucseR0ya9dFfhyZ0VutNZndeyW6x0yclDzH R5XWrPYh794q24xfz9kA9MT/WfKLjLQrvzTghyBqXyewYpL+xx3efzvec/QQGLt2S1fV Dlyw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 138si711400pfy.77.2019.06.17.13.47.28; Mon, 17 Jun 2019 13:47:43 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728641AbfFQUqx (ORCPT + 99 others); Mon, 17 Jun 2019 16:46:53 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:45647 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726677AbfFQUqw (ORCPT ); Mon, 17 Jun 2019 16:46:52 -0400 Received: from p5b06daab.dip0.t-ipconnect.de ([91.6.218.171] helo=nanos) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1hcyWh-0004wk-5x; Mon, 17 Jun 2019 22:46:51 +0200 Date: Mon, 17 Jun 2019 22:46:50 +0200 (CEST) From: Thomas Gleixner To: Ferdinand Blomqvist cc: linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 3/7] rslib: decode_rs: Fix length parameter check In-Reply-To: <20190330182947.8823-4-ferdinand.blomqvist@gmail.com> Message-ID: References: <20190330182947.8823-1-ferdinand.blomqvist@gmail.com> <20190330182947.8823-4-ferdinand.blomqvist@gmail.com> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 30 Mar 2019, Ferdinand Blomqvist wrote: > The length of the data load must be at least one. Or in other words, > there must be room for at least 1 data and nroots parity symbols after > shortening the RS code. Indeed!