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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,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 7E409C67839 for ; Wed, 12 Dec 2018 02:25:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 40C0920839 for ; Wed, 12 Dec 2018 02:25:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="N3tJOaew" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 40C0920839 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.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 S1726427AbeLLCZc (ORCPT ); Tue, 11 Dec 2018 21:25:32 -0500 Received: from mail-pg1-f169.google.com ([209.85.215.169]:46065 "EHLO mail-pg1-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726218AbeLLCZb (ORCPT ); Tue, 11 Dec 2018 21:25:31 -0500 Received: by mail-pg1-f169.google.com with SMTP id y4so7551941pgc.12 for ; Tue, 11 Dec 2018 18:25:31 -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=bUz6wWuxCJSAPrI7GICxXnzvKXDpyEJRXR7b9EcsiW4=; b=N3tJOaewpi6eaWQQmsTrtV69JdcjmapMl5hZEdiDreAP1+QMQB+V60DlVHt2VqCv1g zLJmPh/0R7x9B2LNmzIsx7JBy/b3AN8fjsg5qINx6M+1gf84Arbn0MYQXFPfy4Tq6lB9 YF9jEL6kGnisYtfLcSdTDKlJAJrV5kQ5EIJGTveUo0AC20S4YWxBBS97+J4p7Z4hHY1H xQgs8w4DVNDbJO6rq8vj/t+KJzOW1qFBeVY0vTw9UA7ZNRy0x5w0VvaBQJVd2uys4vgM MlQmM7qasUK9dlJLMjH5L+4dPjbvNArB4rvNpVt6t5LY1f4/ObSzRmiWJDlfdhGAW2+a TkVg== 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=bUz6wWuxCJSAPrI7GICxXnzvKXDpyEJRXR7b9EcsiW4=; b=fakgZ6lK8hq9qBTCjnn8RvmD9ccIYDm8nu+uGoajpuNTYY5DWDDctjKqw0eQjiCt8O YY6g09MudXSXgDx/csYeq+n9NfkmdhWtWE9Fr9kXZCUKp5R0xap8oQqCh7cAdbTr4W6K SFvk654LoiLop419SnNWn3Ehzo+WoUaDOuX9JrhQ/3KEymMVtmexsWXIq1idkVmS/ku2 K42Y+07QXg1tQkKaXZ9jc92fZPVdPFuhqX8gUiLG6fioZpIcfuuZQ1XxJb8seIBnXya+ JKCC8J2UCZBh4cFn0pADOQ9c3jCbDUHvomnZ2rBbePosMAQnvvkgZu8Hj/WWASeLRIUv 1x4Q== X-Gm-Message-State: AA+aEWYXASSITbje5a65CZE31dT6TkiAOj39W4SKJGuXDs75eYRd0ihM ctWgy9NNQoi8qZ94f2pK+5g= X-Google-Smtp-Source: AFSGD/WSSuKbo1blePI2JvnBEmHUjG+IeKhlEd9RSdUo69Odsm95ULsKF/QUGYYyNSQWcQZA7CgWOA== X-Received: by 2002:a62:2b8b:: with SMTP id r133mr18606573pfr.246.1544581531057; Tue, 11 Dec 2018 18:25:31 -0800 (PST) Received: from localhost ([211.246.69.141]) by smtp.gmail.com with ESMTPSA id u29sm20338582pgn.23.2018.12.11.18.25.29 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 11 Dec 2018 18:25:29 -0800 (PST) Date: Wed, 12 Dec 2018 11:25:26 +0900 From: Sergey Senozhatsky To: Tetsuo Handa Cc: Petr Mladek , Dmitry Vyukov , Sergey Senozhatsky , Sergey Senozhatsky , Steven Rostedt , Linus Torvalds , Andrew Morton , LKML , syzkaller Subject: Re: [PATCH] printk: Add caller information to printk() output. Message-ID: <20181212022526.GB431@jagdpanzerIV> References: <1543045075-3008-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp> <20181130154024.ls3mntfdr4zvluub@pathway.suse.cz> <20181203150603.cdqii263e4kmmibo@pathway.suse.cz> <20181204152724.ypk44mi4a56nrud4@pathway.suse.cz> <459018db-763b-9520-ead2-2c0d5975fbf3@i-love.sakura.ne.jp> <20181210130930.bas4fozjhe3dc5nu@pathway.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.1 (2018-12-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (12/11/18 19:26), Tetsuo Handa wrote: > @@ -688,12 +701,21 @@ static ssize_t msg_print_ext_header(char *buf, size_t size, > struct printk_log *msg, u64 seq) > { > u64 ts_usec = msg->ts_nsec; > + char from[18]; [..] > +#ifdef CONFIG_PRINTK_FROM > +static size_t print_from(u32 id, char *buf) > +{ > + char from[12]; Are those supposed to be of different sizes: 18 and 12? -ss