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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 3AA78C5CFE7 for ; Tue, 10 Jul 2018 02:14:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BC017208A2 for ; Tue, 10 Jul 2018 02:14:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BC017208A2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=i-love.sakura.ne.jp 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 S933187AbeGJCOt (ORCPT ); Mon, 9 Jul 2018 22:14:49 -0400 Received: from www262.sakura.ne.jp ([202.181.97.72]:41219 "EHLO www262.sakura.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932620AbeGJCOn (ORCPT ); Mon, 9 Jul 2018 22:14:43 -0400 Received: from fsav303.sakura.ne.jp (fsav303.sakura.ne.jp [153.120.85.134]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id w6A2DwTQ017409; Tue, 10 Jul 2018 11:13:58 +0900 (JST) (envelope-from penguin-kernel@i-love.sakura.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav303.sakura.ne.jp (F-Secure/fsigk_smtp/530/fsav303.sakura.ne.jp); Tue, 10 Jul 2018 11:13:58 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/530/fsav303.sakura.ne.jp) Received: from www262.sakura.ne.jp (localhost [127.0.0.1]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id w6A2Dwbi017404; Tue, 10 Jul 2018 11:13:58 +0900 (JST) (envelope-from penguin-kernel@i-love.sakura.ne.jp) Received: (from i-love@localhost) by www262.sakura.ne.jp (8.15.2/8.15.2/Submit) id w6A2Dwu9017402; Tue, 10 Jul 2018 11:13:58 +0900 (JST) (envelope-from penguin-kernel@i-love.sakura.ne.jp) Message-Id: <201807100213.w6A2Dwu9017402@www262.sakura.ne.jp> X-Authentication-Warning: www262.sakura.ne.jp: i-love set sender to penguin-kernel@i-love.sakura.ne.jp using -f Subject: Re: what trees/branches to test on syzbot From: Tetsuo Handa To: Andrew Morton Cc: Dmitry Vyukov , Guenter Roeck , "Theodore Ts'o" , Linus Torvalds , Greg Kroah-Hartman , "Eric W. Biederman" , linux-kernel , syzkaller , Stephen Rothwell , David Miller , kbuild test robot MIME-Version: 1.0 Date: Tue, 10 Jul 2018 11:13:58 +0900 References: <20180709173546.dc720ad918e5362b8be2e034@linux-foundation.org> In-Reply-To: <20180709173546.dc720ad918e5362b8be2e034@linux-foundation.org> Content-Type: text/plain; charset="ISO-2022-JP" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton wrote: > On Sat, 7 Jul 2018 08:26:32 +0900 Tetsuo Handa wrote: > > > Hello Andrew, > > > > It seems that syzbot (experimentally ?) restarted testing linux-next. > > > > May I ask you to carry temporarily debug printk() patch at > > https://groups.google.com/d/msg/syzkaller-bugs/E8M8WTqt034/OpadOICfCAAJ > > for "INFO: task hung in __sb_start_write" case? > > > > The bug should be reproduced within a day if executed under syzbot environment. > > Thus, I'm sure that we don't need to carry this patch for long. > > Sure, I can add that. Thank you. > Let's get the build warning sorted out first, > please. Any old silly workaround will suffice in a developer-only > debug patch. The build warning is about mips architecture rather than this patch itself, for x86_64 builds fine. You can add this patch despite the build warning.