From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-6.0 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id C1A427D04D for ; Mon, 25 Mar 2019 15:51:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729534AbfCYPve (ORCPT ); Mon, 25 Mar 2019 11:51:34 -0400 Received: from ms.lwn.net ([45.79.88.28]:42986 "EHLO ms.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729106AbfCYPvd (ORCPT ); Mon, 25 Mar 2019 11:51:33 -0400 Received: from lwn.net (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ms.lwn.net (Postfix) with ESMTPSA id 733C89AC; Mon, 25 Mar 2019 15:51:33 +0000 (UTC) Date: Mon, 25 Mar 2019 09:51:32 -0600 From: Jonathan Corbet To: Jakub Wilk Cc: linux-doc@vger.kernel.org, Alexander Viro Subject: Re: [PATCH] Documentation: fix core_pattern max length Message-ID: <20190325095132.2cdbbdbc@lwn.net> In-Reply-To: <20190318173421.502-1-jwilk@jwilk.net> References: <20190318173421.502-1-jwilk@jwilk.net> Organization: LWN.net MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Mon, 18 Mar 2019 18:34:21 +0100 Jakub Wilk wrote: > The buffer size for core_pattern is 128, but one character is used for > terminating null byte, so the actual limit is 127: > > # printf '%0999d' > /proc/sys/kernel/core_pattern > # tr -d '\n' < /proc/sys/kernel/core_pattern | wc -c > 127 > > Signed-off-by: Jakub Wilk Applied, thanks. jon