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=-7.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, 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 833DEC43381 for ; Mon, 18 Mar 2019 14:09:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4F25B20657 for ; Mon, 18 Mar 2019 14:09:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rQIGLQJ0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727640AbfCROJn (ORCPT ); Mon, 18 Mar 2019 10:09:43 -0400 Received: from mail-pg1-f181.google.com ([209.85.215.181]:46288 "EHLO mail-pg1-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726626AbfCROJn (ORCPT ); Mon, 18 Mar 2019 10:09:43 -0400 Received: by mail-pg1-f181.google.com with SMTP id a22so11440414pgg.13 for ; Mon, 18 Mar 2019 07:09:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=c8zPsZZ+mTSL93ve/TItgqzFG9vh1I/IX1AK2W5EfHg=; b=rQIGLQJ0Gmehn4RJBwK+XYYhH8NVpNohTlrXRYos2cc+4AuVLv/tEIIZ9iGsP3L/mI O2N5V7c2zie9jQJTi0tQqMBQnF+ejmoku5GONV3ln73D+jTkkg/ohk367LABEePv3PAY hQ5ck40KeJHJhL85FhaKlezkX9nfl0jm9dy7thOPNbwaiIReFy/dYUUVCOK/+jzh5Zu4 CzR1EORIXerx/v5KhMU33PwSH9FvxmZHP92Efa0jZggyO/VdtQeedpapTzPkrTFdgbFd iP3KLZJL+nfrze1AySq6dZ910aK9tw34SUu3rVTWMnBkXsPPuhyj6F8R3kMQPnBvCxGC ItLQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:date:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=c8zPsZZ+mTSL93ve/TItgqzFG9vh1I/IX1AK2W5EfHg=; b=ln1CVoOorPdTkGHWYTo0tiSauU6c6BpEQ7GAQaJY+Sk5TjSQxor9WbusvVlWsa/woY 10Xg5Hd+W8XutjZFuG38+0UVPDsrImIhAzwB+6XmZgjDvcW9xBn6JoWKJi1dc7JEK+z3 By/+RRIrKS2/mgNQM8oNCPha4H1iCEAECGIsDIXwEMM84hqkrXNoyOdN/gbZy/6dm3nB t4UUnqQ3s/uxTfpTi8MPOKxiCctwXP2jcHsQ8/xGZZsEueLIaMVYYou6llHmbu/cuw7p FVoXeGMpsLdnQybLiFlI7/CiM8LIimIW74TrcT7aEEtmV+Khb4APZg3sc1feaq0FXcCg vA1A== X-Gm-Message-State: APjAAAXESYhdr8acRWJUZZjss8OV1xSbkwJGeagdyHUOgpBJmgcG0lsE MJksH/vBKGiGwy4J3/CM6lI= X-Google-Smtp-Source: APXvYqx46bk7MvKOjs/36RKYYJoi55ABwJPp+CQ9OKHn/ND+gjH+8Siu72TJ1s+b36dt1pxg57IebQ== X-Received: by 2002:a62:69c3:: with SMTP id e186mr18885415pfc.169.1552918181343; Mon, 18 Mar 2019 07:09:41 -0700 (PDT) Received: from localhost ([121.137.63.184]) by smtp.gmail.com with ESMTPSA id p7sm14472557pgs.42.2019.03.18.07.09.39 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 18 Mar 2019 07:09:40 -0700 (PDT) From: Sergey Senozhatsky X-Google-Original-From: Sergey Senozhatsky Date: Mon, 18 Mar 2019 23:09:37 +0900 To: Dmitry Vyukov Cc: Sergey Senozhatsky , Tetsuo Handa , Petr Mladek , Sergey Senozhatsky , LKML , syzkaller Subject: Re: [syzbot? printk?] no WARN_ON() messages printed before "Kernel panic - not syncing: panic_on_warn set ..." Message-ID: <20190318140937.GA29374@tigerII.localdomain> References: <2a48dee7-b649-65a4-be5d-8b3374013cee@i-love.sakura.ne.jp> <201903180527.x2I5RQVp009981@www262.sakura.ne.jp> <20190318125019.GA2686@tigerII.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (03/18/19 14:42), Dmitry Vyukov wrote: > > There is also SYSLOG_ACTION_CONSOLE_OFF, which disables logging. > > That one I somehow figured earlier, here is the exact check: > https://github.com/google/syzkaller/blob/61f9c92f3a465025d2b9d91f429aaec968aeaa2a/sys/linux/init.go#L152-L155 OK, cool. You probably would also want to add SYSLOG_ACTION_CLEAR to the list. -ss